• ffmpeg --help full


    ffmpeg version 2.8.2 Copyright (c) 2000-2015 the FFmpeg developers
      built with gcc 4.8.3 (GCC) 20140911 (Red Hat 4.8.3-9)
      configuration: 
      libavutil      54. 31.100 / 54. 31.100
      libavcodec     56. 60.100 / 56. 60.100
      libavformat    56. 40.101 / 56. 40.101
      libavdevice    56.  4.100 / 56.  4.100
      libavfilter     5. 40.101 /  5. 40.101
      libswscale      3.  1.101 /  3.  1.101
      libswresample   1.  2.101 /  1.  2.101
    Hyper fast Audio and Video encoder
    usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
    
    Getting help:
        -h      -- print basic options
        -h long -- print more options
        -h full -- print all options (including all format and codec specific options, very long)
        See man ffmpeg for detailed description of the options.
    
    Print help / information / capabilities:
    -L                  show license
    -h topic            show help
    -? topic            show help
    -help topic         show help
    --help topic        show help
    -version            show version
    -buildconf          show build configuration
    -formats            show available formats
    -devices            show available devices
    -codecs             show available codecs
    -decoders           show available decoders
    -encoders           show available encoders
    -bsfs               show available bit stream filters
    -protocols          show available protocols
    -filters            show available filters
    -pix_fmts           show available pixel formats
    -layouts            show standard channel layouts
    -sample_fmts        show available audio sample formats
    -colors             show available color names
    -sources device     list sources of the input device
    -sinks device       list sinks of the output device
    -hwaccels           show available HW acceleration methods
    
    Global options (affect whole program instead of just one file:
    -loglevel loglevel  set logging level
    -v loglevel         set logging level
    -report             generate a report
    -max_alloc bytes    set maximum size of a single allocated block
    -y                  overwrite output files
    -n                  never overwrite output files
    -ignore_unknown     Ignore unknown stream types
    -stats              print progress report during encoding
    -max_error_rate ratio of errors (0.0: no errors, 1.0: 100% error  maximum error rate
    -bits_per_raw_sample number  set the number of bits per raw sample
    -vol volume         change audio volume (256=normal)
    
    Advanced global options:
    -cpuflags flags     force specific cpu flags
    -hide_banner hide_banner  do not show program banner
    -copy_unknown       Copy unknown stream types
    -benchmark          add timings for benchmarking
    -benchmark_all      add timings for each task
    -progress url       write program-readable progress information
    -stdin              enable or disable interaction on standard input
    -timelimit limit    set max runtime in seconds
    -dump               dump each input packet
    -hex                when dumping packets, also dump the payload
    -vsync              video sync method
    -frame_drop_threshold   frame drop threshold
    -async              audio sync method
    -adrift_threshold threshold  audio drift threshold
    -copyts             copy timestamps
    -start_at_zero      shift input timestamps to start at 0 when using copyts
    -copytb mode        copy input stream time base when stream copying
    -dts_delta_threshold threshold  timestamp discontinuity delta threshold
    -dts_error_threshold threshold  timestamp error delta threshold
    -xerror error       exit on error
    -filter_complex graph_description  create a complex filtergraph
    -lavfi graph_description  create a complex filtergraph
    -filter_complex_script filename  read complex filtergraph description from a file
    -debug_ts           print timestamp debugging info
    -intra              deprecated use -g 1
    -sameq              Removed
    -same_quant         Removed
    -deinterlace        this option is deprecated, use the yadif filter instead
    -psnr               calculate PSNR of compressed frames
    -vstats             dump video coding statistics to file
    -vstats_file file   dump video coding statistics to file
    -qphist             show QP histogram
    -vc channel         deprecated, use -channel
    -tvstd standard     deprecated, use -standard
    -isync              this option is deprecated and does nothing
    -override_ffserver   override the options from ffserver
    -sdp_file file      specify a file in which to print sdp information
    
    Per-file main options:
    -f fmt              force format
    -c codec            codec name
    -codec codec        codec name
    -pre preset         preset name
    -map_metadata outfile[,metadata]:infile[,metadata]  set metadata information of outfile from infile
    -t duration         record or transcode "duration" seconds of audio/video
    -to time_stop       record or transcode stop time
    -fs limit_size      set the limit file size in bytes
    -ss time_off        set the start time offset
    -sseof time_off     set the start time offset relative to EOF
    -seek_timestamp     enable/disable seeking by timestamp with -ss
    -timestamp time     set the recording timestamp ('now' to set the current time)
    -metadata string=string  add metadata
    -target type        specify target file type ("vcd", "svcd", "dvd", "dv" or "dv50" with optional prefixes "pal-", "ntsc-" or "film-")
    -apad               audio pad
    -frames number      set the number of frames to output
    -filter filter_graph  set stream filtergraph
    -filter_script filename  read stream filtergraph description from a file
    -reinit_filter      reinit filtergraph on input parameter changes
    -discard            discard
    -disposition        disposition
    
    Advanced per-file options:
    -map [-]input_file_id[:stream_specifier][,sync_file_id[:stream_s  set input stream mapping
    -map_channel file.stream.channel[:syncfile.syncstream]  map an audio channel from one stream to another
    -map_chapters input_file_index  set chapters mapping
    -accurate_seek      enable/disable accurate seeking with -ss
    -itsoffset time_off  set the input ts offset
    -itsscale scale     set the input ts scale
    -dframes number     set the number of data frames to output
    -re                 read input at native frame rate
    -shortest           finish encoding within shortest input
    -copyinkf           copy initial non-keyframes
    -copypriorss        copy or discard frames before start time
    -tag fourcc/tag     force codec tag/fourcc
    -q q                use fixed quality scale (VBR)
    -qscale q           use fixed quality scale (VBR)
    -profile profile    set profile
    -attach filename    add an attachment to the output file
    -dump_attachment filename  extract an attachment into a file
    -thread_queue_size  set the maximum number of queued packets from the demuxer
    -autorotate         automatically insert correct rotate filters
    -muxdelay seconds   set the maximum demux-decode delay
    -muxpreload seconds  set the initial demux-decode delay
    -bsf bitstream_filters  A comma-separated list of bitstream filters
    -fpre filename      set options from indicated preset file
    -dcodec codec       force data codec ('copy' to copy stream)
    
    Video options:
    -vframes number     set the number of video frames to output
    -r rate             set frame rate (Hz value, fraction or abbreviation)
    -s size             set frame size (WxH or abbreviation)
    -aspect aspect      set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)
    -bits_per_raw_sample number  set the number of bits per raw sample
    -vn                 disable video
    -vcodec codec       force video codec ('copy' to copy stream)
    -timecode hh:mm:ss[:;.]ff  set initial TimeCode value.
    -pass n             select the pass number (1 to 3)
    -vf filter_graph    set video filters
    -ab bitrate         audio bitrate (please use -b:a)
    -b bitrate          video bitrate (please use -b:v)
    -dn                 disable data
    
    Advanced Video options:
    -pix_fmt format     set pixel format
    -intra              deprecated use -g 1
    -rc_override override  rate control override for specific intervals
    -sameq              Removed
    -same_quant         Removed
    -passlogfile prefix  select two pass log file name prefix
    -deinterlace        this option is deprecated, use the yadif filter instead
    -psnr               calculate PSNR of compressed frames
    -vstats             dump video coding statistics to file
    -vstats_file file   dump video coding statistics to file
    -intra_matrix matrix  specify intra matrix coeffs
    -inter_matrix matrix  specify inter matrix coeffs
    -chroma_intra_matrix matrix  specify intra matrix coeffs
    -top                top=1/bottom=0/auto=-1 field first
    -vtag fourcc/tag    force video tag/fourcc
    -qphist             show QP histogram
    -force_fps          force the selected framerate, disable the best supported framerate selection
    -streamid streamIndex:value  set the value of an outfile streamid
    -force_key_frames timestamps  force key frames at specified timestamps
    -hwaccel hwaccel name  use HW accelerated decoding
    -hwaccel_device devicename  select a device for HW acceleration
    -vc channel         deprecated, use -channel
    -tvstd standard     deprecated, use -standard
    -vbsf video bitstream_filters  deprecated
    -vpre preset        set the video options to the indicated preset
    
    Audio options:
    -aframes number     set the number of audio frames to output
    -aq quality         set audio quality (codec-specific)
    -ar rate            set audio sampling rate (in Hz)
    -ac channels        set number of audio channels
    -an                 disable audio
    -acodec codec       force audio codec ('copy' to copy stream)
    -vol volume         change audio volume (256=normal)
    -af filter_graph    set audio filters
    
    Advanced Audio options:
    -atag fourcc/tag    force audio tag/fourcc
    -sample_fmt format  set sample format
    -channel_layout layout  set channel layout
    -guess_layout_max   set the maximum number of channels to try to guess the channel layout
    -absf audio bitstream_filters  deprecated
    -apre preset        set the audio options to the indicated preset
    
    Subtitle options:
    -s size             set frame size (WxH or abbreviation)
    -sn                 disable subtitle
    -scodec codec       force subtitle codec ('copy' to copy stream)
    -stag fourcc/tag    force subtitle tag/fourcc
    -fix_sub_duration   fix subtitles duration
    -canvas_size size   set canvas size (WxH or abbreviation)
    -spre preset        set the subtitle options to the indicated preset
    
    
    AVCodecContext AVOptions:
      -b                 <int>        E..VA... set bitrate (in bits/s) (from 0 to INT_MAX) (default 200000)
      -ab                <int>        E...A... set bitrate (in bits/s) (from 0 to INT_MAX) (default 128000)
      -bt                <int>        E..V.... Set video bitrate tolerance (in bits/s). In 1-pass mode, bitrate tolerance specifies how far ratecontrol is willing to deviate from the target average bitrate value. This is not related to minimum/maximum bitrate. Lowering tolerance too much has an adverse effect on quality. (from 1 to INT_MAX) (default 4e+06)
      -flags             <flags>      ED.VAS.. (default 0)
         unaligned                    .D.V.... allow decoders to produce unaligned output
         mv4                          E..V.... use four motion vectors per macroblock (MPEG-4)
         qpel                         E..V.... use 1/4-pel motion compensation
         loop                         E..V.... use loop filter
         gmc                          E..V.... use gmc
         mv0                          E..V.... always try a mb with mv=<0,0>
         gray                         ED.V.... only decode/encode grayscale
         psnr                         E..V.... error[?] variables will be set during encoding
         naq                          E..V.... normalize adaptive quantization
         ildct                        E..V.... use interlaced DCT
         low_delay                    ED.V.... force low delay
         global_header                E..VA... place global headers in extradata instead of every keyframe
         bitexact                     ED.VAS.. use only bitexact functions (except (I)DCT)
         aic                          E..V.... H.263 advanced intra coding / MPEG-4 AC prediction
         ilme                         E..V.... interlaced motion estimation
         cgop                         E..V.... closed GOP
         output_corrupt               .D.V.... Output even potentially corrupted frames
      -me_method         <int>        E..V.... set motion estimation method (from INT_MIN to INT_MAX) (default 5)
         zero                         E..V.... zero motion estimation (fastest)
         full                         E..V.... full motion estimation (slowest)
         epzs                         E..V.... EPZS motion estimation (default)
         esa                          E..V.... esa motion estimation (alias for full)
         tesa                         E..V.... tesa motion estimation
         dia                          E..V.... diamond motion estimation (alias for EPZS)
         log                          E..V.... log motion estimation
         phods                        E..V.... phods motion estimation
         x1                           E..V.... X1 motion estimation
         hex                          E..V.... hex motion estimation
         umh                          E..V.... umh motion estimation
         iter                         E..V.... iter motion estimation
      -g                 <int>        E..V.... set the group of picture (GOP) size (from INT_MIN to INT_MAX) (default 12)
      -ar                <int>        ED..A... set audio sampling rate (in Hz) (from 0 to INT_MAX) (default 0)
      -ac                <int>        ED..A... set number of audio channels (from 0 to INT_MAX) (default 0)
      -cutoff            <int>        E...A... set cutoff bandwidth (from INT_MIN to INT_MAX) (default 0)
      -frame_size        <int>        E...A... (from INT_MIN to INT_MAX) (default 0)
      -qcomp             <float>      E..V.... video quantizer scale compression (VBR). Constant of ratecontrol equation. Recommended range for default rc_eq: 0.0-1.0 (from -FLT_MAX to FLT_MAX) (default 0.5)
      -qblur             <float>      E..V.... video quantizer scale blur (VBR) (from -1 to FLT_MAX) (default 0.5)
      -qmin              <int>        E..V.... minimum video quantizer scale (VBR) (from -1 to 69) (default 2)
      -qmax              <int>        E..V.... maximum video quantizer scale (VBR) (from -1 to 1024) (default 31)
      -qdiff             <int>        E..V.... maximum difference between the quantizer scales (VBR) (from INT_MIN to INT_MAX) (default 3)
      -bf                <int>        E..V.... set maximum number of B frames between non-B-frames (from -1 to INT_MAX) (default 0)
      -b_qfactor         <float>      E..V.... QP factor between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25)
      -rc_strategy       <int>        E..V.... ratecontrol method (from INT_MIN to INT_MAX) (default 0)
      -b_strategy        <int>        E..V.... strategy to choose between I/P/B-frames (from INT_MIN to INT_MAX) (default 0)
      -ps                <int>        E..V.... RTP payload size in bytes (from INT_MIN to INT_MAX) (default 0)
      -bug               <flags>      .D.V.... work around not autodetected encoder bugs (default 1)
         autodetect                   .D.V....
         old_msmpeg4                  .D.V.... some old lavc-generated MSMPEG4v3 files (no autodetection)
         xvid_ilace                   .D.V.... Xvid interlacing bug (autodetected if FOURCC == XVIX)
         ump4                         .D.V.... (autodetected if FOURCC == UMP4)
         no_padding                   .D.V.... padding bug (autodetected)
         amv                          .D.V....
         ac_vlc                       .D.V.... illegal VLC bug (autodetected per FOURCC)
         qpel_chroma                  .D.V....
         std_qpel                     .D.V.... old standard qpel (autodetected per FOURCC/version)
         qpel_chroma2                 .D.V....
         direct_blocksize              .D.V.... direct-qpel-blocksize bug (autodetected per FOURCC/version)
         edge                         .D.V.... edge padding bug (autodetected per FOURCC/version)
         hpel_chroma                  .D.V....
         dc_clip                      .D.V....
         ms                           .D.V.... work around various bugs in Microsoft's broken decoders
         trunc                        .D.V.... truncated frames
      -strict            <int>        ED.VA... how strictly to follow the standards (from INT_MIN to INT_MAX) (default 0)
         very                         ED.V.... strictly conform to a older more strict version of the spec or reference software
         strict                       ED.V.... strictly conform to all the things in the spec no matter what the consequences
         normal                       ED.V....
         unofficial                   ED.V.... allow unofficial extensions
         experimental                 ED.V.... allow non-standardized experimental things
      -b_qoffset         <float>      E..V.... QP offset between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25)
      -err_detect        <flags>      .D.VA... set error detection flags (default 0)
         crccheck                     .D.VA... verify embedded CRCs
         bitstream                    .D.VA... detect bitstream specification deviations
         buffer                       .D.VA... detect improper bitstream length
         explode                      .D.VA... abort decoding on minor error detection
         ignore_err                   .D.VA... ignore errors
         careful                      .D.VA... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
         compliant                    .D.VA... consider all spec non compliancies as errors
         aggressive                   .D.VA... consider things that a sane encoder should not do as an error
      -mpeg_quant        <int>        E..V.... use MPEG quantizers instead of H.263 (from INT_MIN to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... deprecated, use encoder private options instead (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... deprecated, use encoder private options instead (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... deprecated, use encoder private options instead
      -maxrate           <int>        E..VA... maximum bitrate (in bits/s). Used for VBV together with bufsize. (from 0 to INT_MAX) (default 0)
      -minrate           <int>        E..VA... minimum bitrate (in bits/s). Most useful in setting up a CBR encode. It is of little use otherwise. (from INT_MIN to INT_MAX) (default 0)
      -bufsize           <int>        E..VA... set ratecontrol buffer size (in bits) (from INT_MIN to INT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 1)
      -i_qfactor         <float>      E..V.... QP factor between P- and I-frames (from -FLT_MAX to FLT_MAX) (default -0.8)
      -i_qoffset         <float>      E..V.... QP offset between P- and I-frames (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_init_cplx      <float>      E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 0)
      -dct               <int>        E..V.... DCT algorithm (from 0 to INT_MAX) (default 0)
         auto                         E..V.... autoselect a good one (default)
         fastint                      E..V.... fast integer
         int                          E..V.... accurate integer
         mmx                          E..V....
         altivec                      E..V....
         faan                         E..V.... floating point AAN DCT
      -lumi_mask         <float>      E..V.... compresses bright areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0)
      -tcplx_mask        <float>      E..V.... temporal complexity masking (from -FLT_MAX to FLT_MAX) (default 0)
      -scplx_mask        <float>      E..V.... spatial complexity masking (from -FLT_MAX to FLT_MAX) (default 0)
      -p_mask            <float>      E..V.... inter masking (from -FLT_MAX to FLT_MAX) (default 0)
      -dark_mask         <float>      E..V.... compresses dark areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0)
      -idct              <int>        ED.V.... select IDCT implementation (from 0 to INT_MAX) (default 0)
         auto                         ED.V....
         int                          ED.V....
         simple                       ED.V....
         simplemmx                    ED.V....
         arm                          ED.V....
         altivec                      ED.V....
         sh4                          ED.V....
         simplearm                    ED.V....
         simplearmv5te                ED.V....
         simplearmv6                  ED.V....
         simpleneon                   ED.V....
         simplealpha                  ED.V....
         ipp                          ED.V....
         xvid                         ED.V....
         xvidmmx                      ED.V.... deprecated, for compatibility only
         faani                        ED.V.... floating point AAN IDCT
         simpleauto                   ED.V....
      -ec                <flags>      .D.V.... set error concealment strategy (default 3)
         guess_mvs                    .D.V.... iterative motion vector (MV) search (slow)
         deblock                      .D.V.... use strong deblock filter for damaged MBs
         favor_inter                  .D.V.... favor predicting from the previous frame
      -pred              <int>        E..V.... prediction method (from INT_MIN to INT_MAX) (default 0)
         left                         E..V....
         plane                        E..V....
         median                       E..V....
      -aspect            <rational>   E..V.... sample aspect ratio (from 0 to 10) (default 0/1)
      -debug             <flags>      ED.VAS.. print specific debug info (default 0)
         pict                         .D.V.... picture info
         rc                           E..V.... rate control
         bitstream                    .D.V....
         mb_type                      .D.V.... macroblock (MB) type
         qp                           .D.V.... per-block quantization parameter (QP)
         mv                           .D.V.... motion vector
         dct_coeff                    .D.V....
         green_metadata               .D.V....
         skip                         .D.V....
         startcode                    .D.V....
         pts                          .D.V....
         er                           .D.V.... error recognition
         mmco                         .D.V.... memory management control operations (H.264)
         bugs                         .D.V....
         vis_qp                       .D.V.... visualize quantization parameter (QP), lower QP are tinted greener
         vis_mb_type                  .D.V.... visualize block types
         buffers                      .D.V.... picture buffer allocations
         thread_ops                   .D.VA... threading operations
         nomc                         .D.VA... skip motion compensation
      -vismv             <flags>      .D.V.... visualize motion vectors (MVs) (deprecated) (default 0)
         pf                           .D.V.... forward predicted MVs of P-frames
         bf                           .D.V.... forward predicted MVs of B-frames
         bb                           .D.V.... backward predicted MVs of B-frames
      -cmp               <int>        E..V.... full-pel ME compare function (from INT_MIN to INT_MAX) (default 0)
         sad                          E..V.... sum of absolute differences, fast (default)
         sse                          E..V.... sum of squared errors
         satd                         E..V.... sum of absolute Hadamard transformed differences
         dct                          E..V.... sum of absolute DCT transformed differences
         psnr                         E..V.... sum of squared quantization errors (avoid, low quality)
         bit                          E..V.... number of bits needed for the block
         rd                           E..V.... rate distortion optimal, slow
         zero                         E..V.... 0
         vsad                         E..V.... sum of absolute vertical differences
         vsse                         E..V.... sum of squared vertical differences
         nsse                         E..V.... noise preserving sum of squared differences
         w53                          E..V.... 5/3 wavelet, only used in snow
         w97                          E..V.... 9/7 wavelet, only used in snow
         dctmax                       E..V....
         chroma                       E..V....
      -subcmp            <int>        E..V.... sub-pel ME compare function (from INT_MIN to INT_MAX) (default 0)
         sad                          E..V.... sum of absolute differences, fast (default)
         sse                          E..V.... sum of squared errors
         satd                         E..V.... sum of absolute Hadamard transformed differences
         dct                          E..V.... sum of absolute DCT transformed differences
         psnr                         E..V.... sum of squared quantization errors (avoid, low quality)
         bit                          E..V.... number of bits needed for the block
         rd                           E..V.... rate distortion optimal, slow
         zero                         E..V.... 0
         vsad                         E..V.... sum of absolute vertical differences
         vsse                         E..V.... sum of squared vertical differences
         nsse                         E..V.... noise preserving sum of squared differences
         w53                          E..V.... 5/3 wavelet, only used in snow
         w97                          E..V.... 9/7 wavelet, only used in snow
         dctmax                       E..V....
         chroma                       E..V....
      -mbcmp             <int>        E..V.... macroblock compare function (from INT_MIN to INT_MAX) (default 0)
         sad                          E..V.... sum of absolute differences, fast (default)
         sse                          E..V.... sum of squared errors
         satd                         E..V.... sum of absolute Hadamard transformed differences
         dct                          E..V.... sum of absolute DCT transformed differences
         psnr                         E..V.... sum of squared quantization errors (avoid, low quality)
         bit                          E..V.... number of bits needed for the block
         rd                           E..V.... rate distortion optimal, slow
         zero                         E..V.... 0
         vsad                         E..V.... sum of absolute vertical differences
         vsse                         E..V.... sum of squared vertical differences
         nsse                         E..V.... noise preserving sum of squared differences
         w53                          E..V.... 5/3 wavelet, only used in snow
         w97                          E..V.... 9/7 wavelet, only used in snow
         dctmax                       E..V....
         chroma                       E..V....
      -ildctcmp          <int>        E..V.... interlaced DCT compare function (from INT_MIN to INT_MAX) (default 8)
         sad                          E..V.... sum of absolute differences, fast (default)
         sse                          E..V.... sum of squared errors
         satd                         E..V.... sum of absolute Hadamard transformed differences
         dct                          E..V.... sum of absolute DCT transformed differences
         psnr                         E..V.... sum of squared quantization errors (avoid, low quality)
         bit                          E..V.... number of bits needed for the block
         rd                           E..V.... rate distortion optimal, slow
         zero                         E..V.... 0
         vsad                         E..V.... sum of absolute vertical differences
         vsse                         E..V.... sum of squared vertical differences
         nsse                         E..V.... noise preserving sum of squared differences
         w53                          E..V.... 5/3 wavelet, only used in snow
         w97                          E..V.... 9/7 wavelet, only used in snow
         dctmax                       E..V....
         chroma                       E..V....
      -dia_size          <int>        E..V.... diamond type & size for motion estimation (from INT_MIN to INT_MAX) (default 0)
      -last_pred         <int>        E..V.... amount of motion predictors from the previous frame (from INT_MIN to INT_MAX) (default 0)
      -preme             <int>        E..V.... pre motion estimation (from INT_MIN to INT_MAX) (default 0)
      -precmp            <int>        E..V.... pre motion estimation compare function (from INT_MIN to INT_MAX) (default 0)
         sad                          E..V.... sum of absolute differences, fast (default)
         sse                          E..V.... sum of squared errors
         satd                         E..V.... sum of absolute Hadamard transformed differences
         dct                          E..V.... sum of absolute DCT transformed differences
         psnr                         E..V.... sum of squared quantization errors (avoid, low quality)
         bit                          E..V.... number of bits needed for the block
         rd                           E..V.... rate distortion optimal, slow
         zero                         E..V.... 0
         vsad                         E..V.... sum of absolute vertical differences
         vsse                         E..V.... sum of squared vertical differences
         nsse                         E..V.... noise preserving sum of squared differences
         w53                          E..V.... 5/3 wavelet, only used in snow
         w97                          E..V.... 9/7 wavelet, only used in snow
         dctmax                       E..V....
         chroma                       E..V....
      -pre_dia_size      <int>        E..V.... diamond type & size for motion estimation pre-pass (from INT_MIN to INT_MAX) (default 0)
      -subq              <int>        E..V.... sub-pel motion estimation quality (from INT_MIN to INT_MAX) (default 8)
      -me_range          <int>        E..V.... limit motion vectors range (1023 for DivX player) (from INT_MIN to INT_MAX) (default 0)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -global_quality    <int>        E..VA... (from INT_MIN to INT_MAX) (default 0)
      -coder             <int>        E..V.... (from INT_MIN to INT_MAX) (default 0)
         vlc                          E..V.... variable length coder / Huffman coder
         ac                           E..V.... arithmetic coder
         raw                          E..V.... raw (no encoding)
         rle                          E..V.... run-length coder
         deflate                      E..V.... deflate-based coder
      -context           <int>        E..V.... context model (from INT_MIN to INT_MAX) (default 0)
      -mbd               <int>        E..V.... macroblock decision algorithm (high quality mode) (from 0 to 2) (default 0)
         simple                       E..V.... use mbcmp (default)
         bits                         E..V.... use fewest bits
         rd                           E..V.... use best rate distortion
      -sc_threshold      <int>        E..V.... scene change threshold (from INT_MIN to INT_MAX) (default 0)
      -lmin              <int>        E..V.... deprecated, use encoder private options instead (from 0 to INT_MAX) (default 0)
      -lmax              <int>        E..V.... deprecated, use encoder private options instead (from 0 to INT_MAX) (default 0)
      -nr                <int>        E..V.... noise reduction (from INT_MIN to INT_MAX) (default 0)
      -rc_init_occupancy <int>        E..V.... number of bits which should be loaded into the rc buffer before decoding starts (from INT_MIN to INT_MAX) (default 0)
      -flags2            <flags>      ED.VA... (default 0)
         fast                         E..V.... allow non-spec-compliant speedup tricks
         noout                        E..V.... skip bitstream encoding
         ignorecrop                   .D.V.... ignore cropping information from sps
         local_header                 E..V.... place global headers at every keyframe instead of in extradata
         chunks                       .D.V.... Frame data might be split into multiple chunks
         showall                      .D.V.... Show all frames before the first keyframe
         export_mvs                   .D.V.... export motion vectors through frame side data
         skip_manual                  .D.V.... do not skip samples and export skip information as frame side data
      -error             <int>        E..V.... (from INT_MIN to INT_MAX) (default 0)
      -threads           <int>        ED.VA... (from 0 to INT_MAX) (default 1)
         auto                         ED.V.... autodetect a suitable number of threads to use
      -me_threshold      <int>        E..V.... motion estimation threshold (from INT_MIN to INT_MAX) (default 0)
      -mb_threshold      <int>        E..V.... macroblock threshold (from INT_MIN to INT_MAX) (default 0)
      -dc                <int>        E..V.... intra_dc_precision (from -8 to 16) (default 0)
      -nssew             <int>        E..V.... nsse weight (from INT_MIN to INT_MAX) (default 8)
      -skip_top          <int>        .D.V.... number of macroblock rows at the top which are skipped (from INT_MIN to INT_MAX) (default 0)
      -skip_bottom       <int>        .D.V.... number of macroblock rows at the bottom which are skipped (from INT_MIN to INT_MAX) (default 0)
      -profile           <int>        E..VA... (from INT_MIN to INT_MAX) (default -99)
         unknown                      E..VA...
         aac_main                     E...A...
         aac_low                      E...A...
         aac_ssr                      E...A...
         aac_ltp                      E...A...
         aac_he                       E...A...
         aac_he_v2                    E...A...
         aac_ld                       E...A...
         aac_eld                      E...A...
         mpeg2_aac_low                E...A...
         mpeg2_aac_he                 E...A...
         dts                          E...A...
         dts_es                       E...A...
         dts_96_24                    E...A...
         dts_hd_hra                   E...A...
         dts_hd_ma                    E...A...
         mpeg4_sp                     E..V....
         mpeg4_core                   E..V....
         mpeg4_main                   E..V....
         mpeg4_asp                    E..V....
      -level             <int>        E..VA... (from INT_MIN to INT_MAX) (default -99)
         unknown                      E..VA...
      -lowres            <int>        .D.VA... decode at 1= 1/2, 2=1/4, 3=1/8 resolutions (from 0 to INT_MAX) (default 0)
      -skip_threshold    <int>        E..V.... frame skip threshold (from INT_MIN to INT_MAX) (default 0)
      -skip_factor       <int>        E..V.... frame skip factor (from INT_MIN to INT_MAX) (default 0)
      -skip_exp          <int>        E..V.... frame skip exponent (from INT_MIN to INT_MAX) (default 0)
      -skipcmp           <int>        E..V.... frame skip compare function (from INT_MIN to INT_MAX) (default 13)
         sad                          E..V.... sum of absolute differences, fast (default)
         sse                          E..V.... sum of squared errors
         satd                         E..V.... sum of absolute Hadamard transformed differences
         dct                          E..V.... sum of absolute DCT transformed differences
         psnr                         E..V.... sum of squared quantization errors (avoid, low quality)
         bit                          E..V.... number of bits needed for the block
         rd                           E..V.... rate distortion optimal, slow
         zero                         E..V.... 0
         vsad                         E..V.... sum of absolute vertical differences
         vsse                         E..V.... sum of squared vertical differences
         nsse                         E..V.... noise preserving sum of squared differences
         w53                          E..V.... 5/3 wavelet, only used in snow
         w97                          E..V.... 9/7 wavelet, only used in snow
         dctmax                       E..V....
         chroma                       E..V....
      -border_mask       <float>      E..V.... deprecated, use encoder private options instead (from -FLT_MAX to FLT_MAX) (default 0)
      -mblmin            <int>        E..V.... minimum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 236)
      -mblmax            <int>        E..V.... maximum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 3658)
      -mepc              <int>        E..V.... motion estimation bitrate penalty compensation (1.0 = 256) (from INT_MIN to INT_MAX) (default 256)
      -skip_loop_filter  <int>        .D.V.... skip loop filtering process for the selected frames (from INT_MIN to INT_MAX) (default 0)
         none                         .D.V.... discard no frame
         default                      .D.V.... discard useless frames
         noref                        .D.V.... discard all non-reference frames
         bidir                        .D.V.... discard all bidirectional frames
         nokey                        .D.V.... discard all frames except keyframes
         nointra                      .D.V.... discard all frames except I frames
         all                          .D.V.... discard all frames
      -skip_idct         <int>        .D.V.... skip IDCT/dequantization for the selected frames (from INT_MIN to INT_MAX) (default 0)
         none                         .D.V.... discard no frame
         default                      .D.V.... discard useless frames
         noref                        .D.V.... discard all non-reference frames
         bidir                        .D.V.... discard all bidirectional frames
         nokey                        .D.V.... discard all frames except keyframes
         nointra                      .D.V.... discard all frames except I frames
         all                          .D.V.... discard all frames
      -skip_frame        <int>        .D.V.... skip decoding for the selected frames (from INT_MIN to INT_MAX) (default 0)
         none                         .D.V.... discard no frame
         default                      .D.V.... discard useless frames
         noref                        .D.V.... discard all non-reference frames
         bidir                        .D.V.... discard all bidirectional frames
         nokey                        .D.V.... discard all frames except keyframes
         nointra                      .D.V.... discard all frames except I frames
         all                          .D.V.... discard all frames
      -bidir_refine      <int>        E..V.... refine the two motion vectors used in bidirectional macroblocks (from 0 to 4) (default 1)
      -brd_scale         <int>        E..V.... downscale frames for dynamic B-frame decision (from 0 to 10) (default 0)
      -keyint_min        <int>        E..V.... minimum interval between IDR-frames (from INT_MIN to INT_MAX) (default 25)
      -refs              <int>        E..V.... reference frames to consider for motion compensation (from INT_MIN to INT_MAX) (default 1)
      -chromaoffset      <int>        E..V.... chroma QP offset from luma (from INT_MIN to INT_MAX) (default 0)
      -trellis           <int>        E..VA... rate-distortion optimal quantization (from INT_MIN to INT_MAX) (default 0)
      -sc_factor         <int>        E..V.... multiplied by qscale for each frame and added to scene_change_score (from 0 to INT_MAX) (default 6)
      -mv0_threshold     <int>        E..V.... (from 0 to INT_MAX) (default 256)
      -b_sensitivity     <int>        E..V.... adjust sensitivity of b_frame_strategy 1 (from 1 to INT_MAX) (default 40)
      -compression_level <int>        E..VA... (from INT_MIN to INT_MAX) (default -1)
      -min_prediction_order <int>        E...A... (from INT_MIN to INT_MAX) (default -1)
      -max_prediction_order <int>        E...A... (from INT_MIN to INT_MAX) (default -1)
      -timecode_frame_start <int64>      E..V.... GOP timecode frame start number, in non-drop-frame format (from -1 to I64_MAX) (default -1)
      -request_channels  <int>        .D..A... set desired number of audio channels (from 0 to INT_MAX) (default 0)
      -channel_layout    <int64>      ED..A... (from 0 to I64_MAX) (default 0)
      -request_channel_layout <int64>      .D..A... (from 0 to I64_MAX) (default 0)
      -rc_max_vbv_use    <float>      E..V.... (from 0 to FLT_MAX) (default 0)
      -rc_min_vbv_use    <float>      E..V.... (from 0 to FLT_MAX) (default 3)
      -ticks_per_frame   <int>        ED.VA... (from 1 to INT_MAX) (default 1)
      -color_primaries   <int>        ED.V.... color primaries (from 1 to 9) (default 2)
         bt709                        ED.V.... BT.709
         unspecified                  ED.V.... Unspecified
         bt470m                       ED.V.... BT.470 M
         bt470bg                      ED.V.... BT.470 BG
         smpte170m                    ED.V.... SMPTE 170 M
         smpte240m                    ED.V.... SMPTE 240 M
         film                         ED.V.... Film
         bt2020                       ED.V.... BT.2020
      -color_trc         <int>        ED.V.... color transfer characteristics (from 1 to 15) (default 2)
         bt709                        ED.V.... BT.709
         unspecified                  ED.V.... Unspecified
         gamma22                      ED.V.... BT.470 M
         gamma28                      ED.V.... BT.470 BG
         smpte170m                    ED.V.... SMPTE 170 M
         smpte240m                    ED.V.... SMPTE 240 M
         linear                       ED.V.... Linear
         log                          ED.V.... Log
         log_sqrt                     ED.V.... Log square root
         iec61966_2_4                 ED.V.... IEC 61966-2-4
         bt1361                       ED.V.... BT.1361
         iec61966_2_1                 ED.V.... IEC 61966-2-1
         bt2020_10bit                 ED.V.... BT.2020 - 10 bit
         bt2020_12bit                 ED.V.... BT.2020 - 12 bit
      -colorspace        <int>        ED.V.... color space (from 0 to 10) (default 2)
         rgb                          ED.V.... RGB
         bt709                        ED.V.... BT.709
         unspecified                  ED.V.... Unspecified
         fcc                          ED.V.... FCC
         bt470bg                      ED.V.... BT.470 BG
         smpte170m                    ED.V.... SMPTE 170 M
         smpte240m                    ED.V.... SMPTE 240 M
         ycocg                        ED.V.... YCOCG
         bt2020_ncl                   ED.V.... BT.2020 NCL
         bt2020_cl                    ED.V.... BT.2020 CL
      -color_range       <int>        ED.V.... color range (from 0 to 2) (default 0)
         unspecified                  ED.V.... Unspecified
         mpeg                         ED.V.... MPEG (219*2^(n-8))
         jpeg                         ED.V.... JPEG (2^n-1)
      -chroma_sample_location <int>        ED.V.... chroma sample location (from 0 to 6) (default 0)
         unspecified                  ED.V.... Unspecified
         left                         ED.V.... Left
         center                       ED.V.... Center
         topleft                      ED.V.... Top-left
         top                          ED.V.... Top
         bottomleft                   ED.V.... Bottom-left
         bottom                       ED.V.... Bottom
      -slices            <int>        E..V.... number of slices, used in parallelized encoding (from 0 to INT_MAX) (default 0)
      -thread_type       <flags>      ED.VA... select multithreading type (default 3)
         slice                        ED.V....
         frame                        ED.V....
      -audio_service_type <int>        E...A... audio service type (from 0 to 8) (default 0)
         ma                           E...A... Main Audio Service
         ef                           E...A... Effects
         vi                           E...A... Visually Impaired
         hi                           E...A... Hearing Impaired
         di                           E...A... Dialogue
         co                           E...A... Commentary
         em                           E...A... Emergency
         vo                           E...A... Voice Over
         ka                           E...A... Karaoke
      -request_sample_fmt <sample_fmt> .D..A... sample format audio decoders should prefer (default none)
      -sub_charenc       <string>     .D...S.. set input text subtitles character encoding
      -sub_charenc_mode  <flags>      .D...S.. set input text subtitles character encoding mode (default 0)
         do_nothing                   .D...S..
         auto                         .D...S..
         pre_decoder                  .D...S..
      -refcounted_frames <int>        .D.VA... (from 0 to 1) (default 0)
      -side_data_only_packets <int>        E..VA... (from 0 to 1) (default 0)
      -skip_alpha        <int>        .D.V.... Skip processing alpha (from 0 to 1) (default 0)
      -field_order       <int>        ED.V.... Field order (from 0 to 5) (default 0)
         progressive                  ED.V....
         tt                           ED.V....
         bb                           ED.V....
         tb                           ED.V....
         bt                           ED.V....
      -dump_separator    <string>     ED.VAS.. set information dump field separator
      -codec_whitelist   <string>     .D.VAS.. List of decoders that are allowed to be used
    
    amv encoder AVOptions:
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    APNG encoder AVOptions:
      -dpi               <int>        E..V.... Set image resolution (in dots per inch) (from 0 to 65536) (default 0)
      -dpm               <int>        E..V.... Set image resolution (in dots per meter) (from 0 to 65536) (default 0)
    
    cinepak AVOptions:
      -max_extra_cb_iterations <int>        E..V.... Max extra codebook recalculation passes, more is better and slower (from 0 to INT_MAX) (default 2)
      -skip_empty_cb     <int>        E..V.... Avoid wasting bytes, ignore vintage MacOS decoder (from 0 to 1) (default 0)
      -max_strips        <int>        E..V.... Limit strips/frame, vintage compatible is 1..3, otherwise the more the better (from 1 to 32) (default 3)
      -min_strips        <int>        E..V.... Enforce min strips/frame, more is worse and faster, must be <= max_strips (from 1 to 32) (default 1)
      -strip_number_adaptivity <int>        E..V.... How fast the strip number adapts, more is slightly better, much slower (from 0 to 31) (default 0)
    
    cljr encoder AVOptions:
      -dither_type       <int>        E..V.... Dither type (from 0 to 2) (default 1)
    
    dnxhd AVOptions:
      -nitris_compat     <int>        E..V.... encode with Avid Nitris compatibility (from 0 to 1) (default 0)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 0)
    
    EXR AVOptions:
      -layer             <string>     .D.V.... Set the decoding layer (default "")
      -gamma             <float>      .D.V.... Set the float gamma value when decoding (from 0.001 to FLT_MAX) (default 1)
    
    ffv1 encoder AVOptions:
      -slicecrc          <int>        E..V.... Protect slices with CRCs (from -1 to 1) (default -1)
    
    ffvhuff AVOptions:
      -non_deterministic <int>        E..V.... Allow multithreading for e.g. context=1 at the expense of determinism (from 0 to 1) (default 1)
    
    FIC encoder AVOptions:
      -skip_cursor       <int>        .D.V.... skip the cursor (from 0 to 1) (default 0)
    
    flv encoder AVOptions:
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    frwu Decoder AVOptions:
      -change_field_order <int>        .D.V.... Change field order (from 0 to 1) (default 0)
    
    GIF encoder AVOptions:
      -gifflags          <flags>      E..V.... set GIF flags (default 3)
         offsetting                   E..V.... enable picture offsetting
         transdiff                    E..V.... enable transparency detection between frames
    
    gif decoder AVOptions:
      -trans_color       <int>        .D.V.... color value (ARGB) that is used instead of transparent color (from 0 to UINT32_MAX) (default 1.67772e+07)
    
    h261 encoder AVOptions:
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    H.263 encoder AVOptions:
      -obmc              <int>        E..V.... use overlapped block motion compensation. (from 0 to 1) (default 0)
      -structured_slices <int>        E..V.... Write slice start position at every GOB header instead of just GOB number. (from 0 to 1) (default 0)
      -mb_info           <int>        E..V.... emit macroblock info for RFC 2190 packetization, the parameter value is the maximum payload size (from 0 to INT_MAX) (default 0)
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    H.263p encoder AVOptions:
      -umv               <int>        E..V.... Use unlimited motion vectors. (from 0 to 1) (default 0)
      -aiv               <int>        E..V.... Use alternative inter VLC. (from 0 to 1) (default 0)
      -obmc              <int>        E..V.... use overlapped block motion compensation. (from 0 to 1) (default 0)
      -structured_slices <int>        E..V.... Write slice start position at every GOB header instead of just GOB number. (from 0 to 1) (default 0)
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    H264 Decoder AVOptions:
      -enable_er         <int>        .D.V.... Enable error resilience on damaged frames (unsafe) (from -1 to 1) (default -1)
    
    HEVC decoder AVOptions:
      -apply_defdispwin  <int>        .D.V.... Apply default display window from VUI (from 0 to 1) (default 0)
      -strict-displaywin <int>        .D.V.... stricly apply default display window size (from 0 to 1) (default 0)
    
    huffyuv AVOptions:
      -non_deterministic <int>        E..V.... Allow multithreading for e.g. context=1 at the expense of determinism (from 0 to 1) (default 1)
    
    jpeg 2000 encoder AVOptions:
      -format            <int>        E..V.... Codec Format (from 0 to 1) (default 1)
         j2k                          E..V....
         jp2                          E..V....
      -tile_width        <int>        E..V.... Tile Width (from 1 to 1.07374e+09) (default 256)
      -tile_height       <int>        E..V.... Tile Height (from 1 to 1.07374e+09) (default 256)
    
    jpeg2000 AVOptions:
      -lowres            <int>        .D.V.... Lower the decoding resolution by a power of two (from 0 to 33) (default 0)
    
    mjpeg encoder AVOptions:
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    MJPEG decoder AVOptions:
      -extern_huff       <int>        .D.V.... Use external huffman table. (from 0 to 1) (default 0)
    
    mpeg1video encoder AVOptions:
      -gop_timecode      <string>     E..V.... MPEG GOP Timecode in hh:mm:ss[:;.]ff format
      -intra_vlc         <int>        E..V.... Use MPEG-2 intra VLC table. (from 0 to 1) (default 0)
      -drop_frame_timecode <int>        E..V.... Timecode is in drop frame format. (from 0 to 1) (default 0)
      -scan_offset       <int>        E..V.... Reserve space for SVCD scan offset user data. (from 0 to 1) (default 0)
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    mpeg2video encoder AVOptions:
      -gop_timecode      <string>     E..V.... MPEG GOP Timecode in hh:mm:ss[:;.]ff format
      -intra_vlc         <int>        E..V.... Use MPEG-2 intra VLC table. (from 0 to 1) (default 0)
      -drop_frame_timecode <int>        E..V.... Timecode is in drop frame format. (from 0 to 1) (default 0)
      -scan_offset       <int>        E..V.... Reserve space for SVCD scan offset user data. (from 0 to 1) (default 0)
      -non_linear_quant  <int>        E..V.... Use nonlinear quantizer. (from 0 to 1) (default 0)
      -alternate_scan    <int>        E..V.... Enable alternate scantable. (from 0 to 1) (default 0)
      -seq_disp_ext      <int>        E..V.... Write sequence_display_extension blocks. (from -1 to 1) (default -1)
         auto                         E..V....
         never                        E..V....
         always                       E..V....
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    MPEG4 encoder AVOptions:
      -data_partitioning <int>        E..V.... Use data partitioning. (from 0 to 1) (default 0)
      -alternate_scan    <int>        E..V.... Enable alternate scantable. (from 0 to 1) (default 0)
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    MPEG4 Video Decoder AVOptions:
    
    msmpeg4v2 encoder AVOptions:
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    msmpeg4v3 encoder AVOptions:
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    PNG encoder AVOptions:
      -dpi               <int>        E..V.... Set image resolution (in dots per inch) (from 0 to 65536) (default 0)
      -dpm               <int>        E..V.... Set image resolution (in dots per meter) (from 0 to 65536) (default 0)
    
    ProRes encoder AVOptions:
      -mbs_per_slice     <int>        E..V.... macroblocks per slice (from 1 to 8) (default 8)
      -profile           <int>        E..V.... (from -1 to 4) (default -1)
         auto                         E..V....
         proxy                        E..V....
         lt                           E..V....
         standard                     E..V....
         hq                           E..V....
         4444                         E..V....
      -vendor            <string>     E..V.... vendor ID (default "Lavc")
      -bits_per_mb       <int>        E..V.... desired bits per macroblock (from 0 to 8192) (default 0)
      -quant_mat         <int>        E..V.... quantiser matrix (from -1 to 4) (default -1)
         auto                         E..V....
         proxy                        E..V....
         lt                           E..V....
         standard                     E..V....
         hq                           E..V....
         default                      E..V....
      -alpha_bits        <int>        E..V.... bits for alpha plane (from 0 to 16) (default 16)
    
    rawdec AVOptions:
      -top               <int>        .D.V.... top field first (from -1 to 1) (default -1)
    
    RoQ AVOptions:
      -quake3_compat     <int>        E..V.... Whether to respect known limitations in Quake 3 decoder (from 0 to 1) (default 1)
    
    rv10 encoder AVOptions:
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    rv20 encoder AVOptions:
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    SMPTE 302M Decoder AVOptions:
      -non_pcm_mode      <int>        .D.V.... Chooses what to do with NON-PCM (from 0 to 3) (default 3)
         copy                         .D.V.... Pass NON-PCM through unchanged
         drop                         .D.V.... Drop NON-PCM
         decode_copy                  .D.V.... Decode if possible else passthrough
         decode_drop                  .D.V.... Decode if possible else drop
    
    snow encoder AVOptions:
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
         iter                         E..V....
      -memc_only         <int>        E..V.... Only do ME/MC (I frames -> ref, P frame -> ME+MC). (from 0 to 1) (default 0)
      -no_bitstream      <int>        E..V.... Skip final bitstream writeout. (from 0 to 1) (default 0)
      -intra_penalty     <int>        E..V.... Penalty for intra blocks in block decission (from 0 to INT_MAX) (default 0)
      -iterative_dia_size <int>        E..V.... Dia size for the iterative ME (from 0 to INT_MAX) (default 0)
    
    svq1enc AVOptions:
      -motion-est        <int>        E..V.... Motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    TIFF encoder AVOptions:
      -dpi               <int>        E..V.... set the image resolution (in dpi) (from 1 to 65536) (default 72)
      -compression_algo  <int>        E..V.... (from 1 to 32946) (default 32773)
         packbits                     E..V....
         raw                          E..V....
         lzw                          E..V....
         deflate                      E..V....
    
    V210 Decoder AVOptions:
      -custom_stride     <int>        .D.V.... Custom V210 stride (from INT_MIN to INT_MAX) (default 0)
    
    wmv1 encoder AVOptions:
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    wmv2 encoder AVOptions:
      -mpv_flags         <flags>      E..V.... Flags common for all mpegvideo-based encoders. (default 0)
         skip_rd                      E..V.... RD optimal MB level residual skipping
         strict_gop                   E..V.... Strictly enforce gop size
         qp_rd                        E..V.... Use rate distortion optimization for qp selection
         cbp_rd                       E..V.... use rate distortion optimization for CBP
         naq                          E..V.... normalize adaptive quantization
         mv0                          E..V.... always try a mb with mv=<0,0>
      -luma_elim_threshold <int>        E..V.... single coefficient elimination threshold for luminance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -chroma_elim_threshold <int>        E..V.... single coefficient elimination threshold for chrominance (negative values also consider dc coefficient) (from INT_MIN to INT_MAX) (default 0)
      -quantizer_noise_shaping <int>        E..V.... (from 0 to INT_MAX) (default 0)
      -error_rate        <int>        E..V.... Simulate errors in the bitstream to test error concealment. (from 0 to INT_MAX) (default 0)
      -qsquish           <float>      E..V.... how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function) (from 0 to 99) (default 0)
      -rc_qmod_amp       <float>      E..V.... experimental quantizer modulation (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_qmod_freq      <int>        E..V.... experimental quantizer modulation (from INT_MIN to INT_MAX) (default 0)
      -rc_eq             <string>     E..V.... Set rate control equation. When computing the expression, besides the standard functions defined in the section 'Expression Evaluation', the following functions are available: bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.
      -rc_init_cplx      <float>      E..V.... initial complexity for 1-pass encoding (from -FLT_MAX to FLT_MAX) (default 0)
      -rc_buf_aggressivity <float>      E..V.... currently useless (from -FLT_MAX to FLT_MAX) (default 1)
      -border_mask       <float>      E..V.... increase the quantizer for macroblocks close to borders (from -FLT_MAX to FLT_MAX) (default 0)
      -lmin              <int>        E..V.... minimum Lagrange factor (VBR) (from 0 to INT_MAX) (default 236)
      -lmax              <int>        E..V.... maximum Lagrange factor (VBR) (from 0 to INT_MAX) (default 3658)
      -ibias             <int>        E..V.... intra quant bias (from INT_MIN to INT_MAX) (default 999999)
      -pbias             <int>        E..V.... inter quant bias (from INT_MIN to INT_MAX) (default 999999)
      -rc_strategy       <int>        E..V.... ratecontrol method (from 0 to 1) (default 0)
      -motion_est        <int>        E..V.... motion estimation algorithm (from 0 to 2) (default 1)
         zero                         E..V....
         epzs                         E..V....
         xone                         E..V....
    
    AAC encoder AVOptions:
      -stereo_mode       <int>        E...A... Stereo coding method (from -1 to 1) (default 0)
         auto                         E...A... Selected by the Encoder
         ms_off                       E...A... Disable Mid/Side coding
         ms_force                     E...A... Force Mid/Side for the whole frame if possible
      -aac_coder         <int>        E...A... Coding algorithm (from 0 to 3) (default 2)
         faac                         E...A... FAAC-inspired method
         anmr                         E...A... ANMR method
         twoloop                      E...A... Two loop searching method
         fast                         E...A... Constant quantizer
      -aac_pns           <int>        E...A... Perceptual Noise Substitution (from 0 to 1) (default 1)
         disable                      E...A... Disable perceptual noise substitution
         enable                       E...A... Enable perceptual noise substitution
      -aac_is            <int>        E...A... Intensity stereo coding (from 0 to 1) (default 1)
         disable                      E...A... Disable intensity stereo coding
         enable                       E...A... Enable intensity stereo coding
      -aac_tns           <int>        E...A... Temporal noise shaping (from 0 to 1) (default 0)
         disable                      E...A... Disable temporal noise shaping
         enable                       E...A... Enable temporal noise shaping
      -aac_pred          <int>        E...A... AAC-Main prediction (from 0 to 1) (default 0)
         disable                      E...A... Disable AAC-Main prediction
         enable                       E...A... Enable AAC-Main prediction
    
    AAC decoder AVOptions:
      -dual_mono_mode    <int>        .D..A... Select the channel to decode for dual mono (from -1 to 2) (default -1)
         auto                         .D..A... autoselection
         main                         .D..A... Select Main/Left channel
         sub                          .D..A... Select Sub/Right channel
         both                         .D..A... Select both channels
    
    AC-3 Encoder AVOptions:
      -per_frame_metadata <int>        E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0)
      -center_mixlev     <float>      E...A... Center Mix Level (from 0 to 1) (default 0.594604)
      -surround_mixlev   <float>      E...A... Surround Mix Level (from 0 to 1) (default 0.5)
      -mixing_level      <int>        E...A... Mixing Level (from -1 to 111) (default -1)
      -room_type         <int>        E...A... Room Type (from -1 to 2) (default -1)
         notindicated                 E...A... Not Indicated (default)
         large                        E...A... Large Room
         small                        E...A... Small Room
      -copyright         <int>        E...A... Copyright Bit (from -1 to 1) (default -1)
      -dialnorm          <int>        E...A... Dialogue Level (dB) (from -31 to -1) (default -31)
      -dsur_mode         <int>        E...A... Dolby Surround Mode (from -1 to 2) (default -1)
         notindicated                 E...A... Not Indicated (default)
         on                           E...A... Dolby Surround Encoded
         off                          E...A... Not Dolby Surround Encoded
      -original          <int>        E...A... Original Bit Stream (from -1 to 1) (default -1)
      -dmix_mode         <int>        E...A... Preferred Stereo Downmix Mode (from -1 to 3) (default -1)
         notindicated                 E...A... Not Indicated (default)
         ltrt                         E...A... Lt/Rt Downmix Preferred
         loro                         E...A... Lo/Ro Downmix Preferred
         dplii                        E...A... Dolby Pro Logic II Downmix Preferred
      -ltrt_cmixlev      <float>      E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1)
      -ltrt_surmixlev    <float>      E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1)
      -loro_cmixlev      <float>      E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1)
      -loro_surmixlev    <float>      E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1)
      -dsurex_mode       <int>        E...A... Dolby Surround EX Mode (from -1 to 3) (default -1)
         notindicated                 E...A... Not Indicated (default)
         on                           E...A... Dolby Surround EX Encoded
         off                          E...A... Not Dolby Surround EX Encoded
         dpliiz                       E...A... Dolby Pro Logic IIz-encoded
      -dheadphone_mode   <int>        E...A... Dolby Headphone Mode (from -1 to 2) (default -1)
         notindicated                 E...A... Not Indicated (default)
         on                           E...A... Dolby Headphone Encoded
         off                          E...A... Not Dolby Headphone Encoded
      -ad_conv_type      <int>        E...A... A/D Converter Type (from -1 to 1) (default -1)
         standard                     E...A... Standard (default)
         hdcd                         E...A... HDCD
      -stereo_rematrixing <int>        E...A... Stereo Rematrixing (from 0 to 1) (default 1)
      -channel_coupling  <int>        E...A... Channel Coupling (from -1 to 1) (default -1)
         auto                         E...A... Selected by the Encoder
      -cpl_start_band    <int>        E...A... Coupling Start Band (from -1 to 15) (default -1)
         auto                         E...A... Selected by the Encoder
    
    AC3 decoder AVOptions:
      -drc_scale         <float>      .D..A... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
      -heavy_compr       <int>        .D..A... heavy dynamic range compression enabled (from 0 to 1) (default 0)
      -target_level      <int>        .D..A... target level in -dBFS (0 not applied) (from -31 to 0) (default 0)
    
    Fixed-Point AC-3 Encoder AVOptions:
      -per_frame_metadata <int>        E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0)
      -center_mixlev     <float>      E...A... Center Mix Level (from 0 to 1) (default 0.594604)
      -surround_mixlev   <float>      E...A... Surround Mix Level (from 0 to 1) (default 0.5)
      -mixing_level      <int>        E...A... Mixing Level (from -1 to 111) (default -1)
      -room_type         <int>        E...A... Room Type (from -1 to 2) (default -1)
         notindicated                 E...A... Not Indicated (default)
         large                        E...A... Large Room
         small                        E...A... Small Room
      -copyright         <int>        E...A... Copyright Bit (from -1 to 1) (default -1)
      -dialnorm          <int>        E...A... Dialogue Level (dB) (from -31 to -1) (default -31)
      -dsur_mode         <int>        E...A... Dolby Surround Mode (from -1 to 2) (default -1)
         notindicated                 E...A... Not Indicated (default)
         on                           E...A... Dolby Surround Encoded
         off                          E...A... Not Dolby Surround Encoded
      -original          <int>        E...A... Original Bit Stream (from -1 to 1) (default -1)
      -dmix_mode         <int>        E...A... Preferred Stereo Downmix Mode (from -1 to 3) (default -1)
         notindicated                 E...A... Not Indicated (default)
         ltrt                         E...A... Lt/Rt Downmix Preferred
         loro                         E...A... Lo/Ro Downmix Preferred
         dplii                        E...A... Dolby Pro Logic II Downmix Preferred
      -ltrt_cmixlev      <float>      E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1)
      -ltrt_surmixlev    <float>      E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1)
      -loro_cmixlev      <float>      E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1)
      -loro_surmixlev    <float>      E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1)
      -dsurex_mode       <int>        E...A... Dolby Surround EX Mode (from -1 to 3) (default -1)
         notindicated                 E...A... Not Indicated (default)
         on                           E...A... Dolby Surround EX Encoded
         off                          E...A... Not Dolby Surround EX Encoded
         dpliiz                       E...A... Dolby Pro Logic IIz-encoded
      -dheadphone_mode   <int>        E...A... Dolby Headphone Mode (from -1 to 2) (default -1)
         notindicated                 E...A... Not Indicated (default)
         on                           E...A... Dolby Headphone Encoded
         off                          E...A... Not Dolby Headphone Encoded
      -ad_conv_type      <int>        E...A... A/D Converter Type (from -1 to 1) (default -1)
         standard                     E...A... Standard (default)
         hdcd                         E...A... HDCD
      -stereo_rematrixing <int>        E...A... Stereo Rematrixing (from 0 to 1) (default 1)
      -channel_coupling  <int>        E...A... Channel Coupling (from -1 to 1) (default -1)
         auto                         E...A... Selected by the Encoder
      -cpl_start_band    <int>        E...A... Coupling Start Band (from -1 to 15) (default -1)
         auto                         E...A... Selected by the Encoder
    
    Fixed-Point AC-3 Decoder AVOptions:
      -drc_scale         <float>      .D..A... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
      -heavy_compr       <int>        .D..A... heavy dynamic range compression enabled (from 0 to 1) (default 0)
    
    alac AVOptions:
      -extra_bits_bug    <int>        .D..A... Force non-standard decoding process (from 0 to 1) (default 0)
    
    APE decoder AVOptions:
      -max_samples       <int>        .D..A... maximum number of samples decoded per call (from 1 to INT_MAX) (default 4608)
         all                          .D..A... no maximum. decode all samples for each packet at once
    
    DCA decoder AVOptions:
      -disable_xch       <int>        .D..A... disable decoding of the XCh extension (from 0 to 1) (default 0)
      -disable_xll       <int>        .D..A... disable decoding of the XLL extension (from 0 to 1) (default 1)
    
    E-AC-3 Encoder AVOptions:
      -per_frame_metadata <int>        E...A... Allow Changing Metadata Per-Frame (from 0 to 1) (default 0)
      -mixing_level      <int>        E...A... Mixing Level (from -1 to 111) (default -1)
      -room_type         <int>        E...A... Room Type (from -1 to 2) (default -1)
         notindicated                 E...A... Not Indicated (default)
         large                        E...A... Large Room
         small                        E...A... Small Room
      -copyright         <int>        E...A... Copyright Bit (from -1 to 1) (default -1)
      -dialnorm          <int>        E...A... Dialogue Level (dB) (from -31 to -1) (default -31)
      -dsur_mode         <int>        E...A... Dolby Surround Mode (from -1 to 2) (default -1)
         notindicated                 E...A... Not Indicated (default)
         on                           E...A... Dolby Surround Encoded
         off                          E...A... Not Dolby Surround Encoded
      -original          <int>        E...A... Original Bit Stream (from -1 to 1) (default -1)
      -dmix_mode         <int>        E...A... Preferred Stereo Downmix Mode (from -1 to 3) (default -1)
         notindicated                 E...A... Not Indicated (default)
         ltrt                         E...A... Lt/Rt Downmix Preferred
         loro                         E...A... Lo/Ro Downmix Preferred
         dplii                        E...A... Dolby Pro Logic II Downmix Preferred
      -ltrt_cmixlev      <float>      E...A... Lt/Rt Center Mix Level (from -1 to 2) (default -1)
      -ltrt_surmixlev    <float>      E...A... Lt/Rt Surround Mix Level (from -1 to 2) (default -1)
      -loro_cmixlev      <float>      E...A... Lo/Ro Center Mix Level (from -1 to 2) (default -1)
      -loro_surmixlev    <float>      E...A... Lo/Ro Surround Mix Level (from -1 to 2) (default -1)
      -dsurex_mode       <int>        E...A... Dolby Surround EX Mode (from -1 to 3) (default -1)
         notindicated                 E...A... Not Indicated (default)
         on                           E...A... Dolby Surround EX Encoded
         off                          E...A... Not Dolby Surround EX Encoded
         dpliiz                       E...A... Dolby Pro Logic IIz-encoded
      -dheadphone_mode   <int>        E...A... Dolby Headphone Mode (from -1 to 2) (default -1)
         notindicated                 E...A... Not Indicated (default)
         on                           E...A... Dolby Headphone Encoded
         off                          E...A... Not Dolby Headphone Encoded
      -ad_conv_type      <int>        E...A... A/D Converter Type (from -1 to 1) (default -1)
         standard                     E...A... Standard (default)
         hdcd                         E...A... HDCD
      -stereo_rematrixing <int>        E...A... Stereo Rematrixing (from 0 to 1) (default 1)
      -channel_coupling  <int>        E...A... Channel Coupling (from -1 to 1) (default -1)
         auto                         E...A... Selected by the Encoder
      -cpl_start_band    <int>        E...A... Coupling Start Band (from -1 to 15) (default -1)
         auto                         E...A... Selected by the Encoder
    
    E-AC3 decoder AVOptions:
      -drc_scale         <float>      .D..A... percentage of dynamic range compression to apply (from 0 to 6) (default 1)
      -heavy_compr       <int>        .D..A... heavy dynamic range compression enabled (from 0 to 1) (default 0)
      -target_level      <int>        .D..A... target level in -dBFS (0 not applied) (from -31 to 0) (default 0)
    
    evrc AVOptions:
      -postfilter        <int>        .D..A... enable postfilter (from 0 to 1) (default 1)
    
    FLAC encoder AVOptions:
      -lpc_coeff_precision <int>        E...A... LPC coefficient precision (from 0 to 15) (default 15)
      -lpc_type          <int>        E...A... LPC algorithm (from -1 to 3) (default -1)
         none                         E...A...
         fixed                        E...A...
         levinson                     E...A...
         cholesky                     E...A...
      -lpc_passes        <int>        E...A... Number of passes to use for Cholesky factorization during LPC analysis (from 1 to INT_MAX) (default 2)
      -min_partition_order <int>        E...A... (from -1 to 8) (default -1)
      -max_partition_order <int>        E...A... (from -1 to 8) (default -1)
      -prediction_order_method <int>        E...A... Search method for selecting prediction order (from -1 to 5) (default -1)
         estimation                   E...A...
         2level                       E...A...
         4level                       E...A...
         8level                       E...A...
         search                       E...A...
         log                          E...A...
      -ch_mode           <int>        E...A... Stereo decorrelation mode (from -1 to 3) (default -1)
         auto                         E...A...
         indep                        E...A...
         left_side                    E...A...
         right_side                   E...A...
         mid_side                     E...A...
      -exact_rice_parameters <int>        E...A... Calculate rice parameters exactly (from 0 to 1) (default 0)
      -multi_dim_quant   <int>        E...A... Multi-dimensional quantization (from 0 to 1) (default 0)
    
    FLAC decoder AVOptions:
      -use_buggy_lpc     <int>        .D..A... emulate old buggy lavc behavior (from 0 to 1) (default 0)
    
    G.723.1 decoder AVOptions:
      -postfilter        <int>        .D..A... postfilter on/off (from 0 to 1) (default 1)
    
    TTA Decoder AVOptions:
      -password          <string>     .D..A... Set decoding password
    
    WavPack encoder AVOptions:
      -joint_stereo      <int>        E...A...  (from -1 to 1) (default 0)
         on                           E...A... mid/side
         off                          E...A... left/right
         auto                         E...A...
      -optimize_mono     <int>        E...A...  (from 0 to 1) (default 0)
         on                           E...A...
         off                          E...A...
    
    g722 decoder AVOptions:
      -bits_per_codeword <int>        .D..A... Bits per G722 codeword (from 6 to 8) (default 8)
    
    g726 AVOptions:
      -code_size         <int>        E...A... Bits per code (from 2 to 5) (default 4)
    
    Closed caption Decoder AVOptions:
    
    DVB Sub Decoder AVOptions:
      -compute_edt       <int>        .D...S.. compute end of time using pts or timeout (from 0 to 1) (default 0)
      -compute_clut      <int>        .D...S.. compute clut when not available(-1) or always(1) or never(0) (from -1 to 1) (default -1)
      -dvb_substream     <int>        .D...S..  (from -1 to 63) (default -1)
    
    VOBSUB subtitle encoder AVOptions:
      -even_rows_fix     <int>        E....S.. Make number of rows even (workaround for some players) (from 0 to 1) (default 0)
    
    dvdsubdec AVOptions:
      -palette           <string>     .D...S.. set the global palette
      -ifo_palette       <string>     .D...S.. obtain the global palette from .IFO file
      -forced_subs_only  <int>        .D...S.. Only show forced subtitles (from 0 to 1) (default 0)
    
    PGS subtitle decoder AVOptions:
      -forced_subs_only  <int>        .D...S.. Only show forced subtitles (from 0 to 1) (default 0)
    
    pjs decoder AVOptions:
      -keep_ass_markup   <int>        .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0)
    
    stl decoder AVOptions:
      -keep_ass_markup   <int>        .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0)
    
    subviewer1 decoder AVOptions:
      -keep_ass_markup   <int>        .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0)
    
    text decoder AVOptions:
      -keep_ass_markup   <int>        .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0)
    
    vplayer decoder AVOptions:
      -keep_ass_markup   <int>        .D...S.. Set if ASS tags must be escaped (from 0 to 1) (default 0)
    
    AVFormatContext AVOptions:
      -avioflags         <flags>      ED...... (default 0)
         direct                       ED...... reduce buffering
      -probesize         <int64>      .D...... set probing size (from 32 to I64_MAX) (default 5e+06)
      -formatprobesize   <int>        .D...... number of bytes to probe file format (from 0 to 2.14748e+09) (default 1.04858e+06)
      -packetsize        <int>        E....... set packet size (from 0 to INT_MAX) (default 0)
      -fflags            <flags>      ED...... (default 200)
         flush_packets                E....... reduce the latency by flushing out packets immediately
         ignidx                       .D...... ignore index
         genpts                       .D...... generate pts
         nofillin                     .D...... do not fill in missing values that can be exactly calculated
         noparse                      .D...... disable AVParsers, this needs nofillin too
         igndts                       .D...... ignore dts
         discardcorrupt               .D...... discard corrupted frames
         sortdts                      .D...... try to interleave outputted packets by dts
         keepside                     .D...... don't merge side data
         fastseek                     .D...... fast but inaccurate seeks
         latm                         E....... enable RTP MP4A-LATM payload
         nobuffer                     .D...... reduce the latency introduced by optional buffering
         bitexact                     E....... do not write random/volatile data
      -seek2any          <int>        .D...... allow seeking to non-keyframes on demuxer level when supported (from 0 to 1) (default 0)
      -analyzeduration   <int64>      .D...... specify how many microseconds are analyzed to probe the input (from 0 to I64_MAX) (default 0)
      -cryptokey         <binary>     .D...... decryption key
      -indexmem          <int>        .D...... max memory used for timestamp index (per stream) (from 0 to INT_MAX) (default 1.04858e+06)
      -rtbufsize         <int>        .D...... max memory used for buffering real-time frames (from 0 to INT_MAX) (default 3.04128e+06)
      -fdebug            <flags>      ED...... print specific debug info (default 0)
         ts                           ED......
      -max_delay         <int>        ED...... maximum muxing or demuxing delay in microseconds (from -1 to INT_MAX) (default -1)
      -start_time_realtime <int64>      E....... wall-clock time when stream begins (PTS==0) (from I64_MIN to I64_MAX) (default I64_MIN)
      -fpsprobesize      <int>        .D...... number of frames used to probe fps (from -1 to 2.14748e+09) (default -1)
      -audio_preload     <int>        E....... microseconds by which audio packets should be interleaved earlier (from 0 to 2.14748e+09) (default 0)
      -chunk_duration    <int>        E....... microseconds for each chunk (from 0 to 2.14748e+09) (default 0)
      -chunk_size        <int>        E....... size in bytes for each chunk (from 0 to 2.14748e+09) (default 0)
      -f_err_detect      <flags>      .D...... set error detection flags (deprecated; use err_detect, save via avconv) (default 1)
         crccheck                     .D...... verify embedded CRCs
         bitstream                    .D...... detect bitstream specification deviations
         buffer                       .D...... detect improper bitstream length
         explode                      .D...... abort decoding on minor error detection
         ignore_err                   .D...... ignore errors
         careful                      .D...... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
         compliant                    .D...... consider all spec non compliancies as errors
         aggressive                   .D...... consider things that a sane encoder shouldn't do as an error
      -err_detect        <flags>      .D...... set error detection flags (default 1)
         crccheck                     .D...... verify embedded CRCs
         bitstream                    .D...... detect bitstream specification deviations
         buffer                       .D...... detect improper bitstream length
         explode                      .D...... abort decoding on minor error detection
         ignore_err                   .D...... ignore errors
         careful                      .D...... consider things that violate the spec, are fast to check and have not been seen in the wild as errors
         compliant                    .D...... consider all spec non compliancies as errors
         aggressive                   .D...... consider things that a sane encoder shouldn't do as an error
      -use_wallclock_as_timestamps <int>        .D...... use wallclock as timestamps (from 0 to 2.14748e+09) (default 0)
      -skip_initial_bytes <int64>      .D...... set number of bytes to skip before reading header and frames (from 0 to I64_MAX) (default 0)
      -correct_ts_overflow <int>        .D...... correct single timestamp overflows (from 0 to 1) (default 1)
      -flush_packets     <int>        E....... enable flushing of the I/O context after each packet (from 0 to 1) (default 1)
      -metadata_header_padding <int>        E....... set number of bytes to be written as padding in a metadata header (from -1 to INT_MAX) (default -1)
      -output_ts_offset  <duration>   E....... set output timestamp offset (default 0)
      -max_interleave_delta <int64>      E....... maximum buffering duration for interleaving (from 0 to I64_MAX) (default 1e+07)
      -f_strict          <int>        ED...... how strictly to follow the standards (deprecated; use strict, save via avconv) (from INT_MIN to INT_MAX) (default 0)
         strict                       ED...... strictly conform to all the things in the spec no matter what the consequences
         normal                       ED......
         unofficial                   ED...... allow unofficial extensions
         experimental                 ED...... allow non-standardized experimental variants
      -strict            <int>        ED...... how strictly to follow the standards (from INT_MIN to INT_MAX) (default 0)
         strict                       ED...... strictly conform to all the things in the spec no matter what the consequences
         normal                       ED......
         unofficial                   ED...... allow unofficial extensions
         experimental                 ED...... allow non-standardized experimental variants
      -max_ts_probe      <int>        .D...... maximum number of packets to read while waiting for the first timestamp (from 0 to INT_MAX) (default 50)
      -avoid_negative_ts <int>        E....... shift timestamps so they start at 0 (from -1 to 2) (default -1)
         auto                         E....... enabled when required by target format
         disabled                     E....... do not change timestamps
         make_non_negative              E....... shift timestamps so they are non negative
         make_zero                    E....... shift timestamps so they start at 0
      -dump_separator    <string>     ED...... set information dump field separator (default ", ")
      -codec_whitelist   <string>     .D...... List of decoders that are allowed to be used
      -format_whitelist  <string>     .D...... List of demuxers that are allowed to be used
    
    AVIOContext AVOptions:
    
    URLContext AVOptions:
    
    Async AVOptions:
    
    Cache AVOptions:
      -read_ahead_limit  <int>        .D...... Amount in bytes that may be read ahead when seeking isn't supported, -1 for unlimited (from -1 to INT_MAX) (default 65536)
    
    crypto AVOptions:
      -key               <binary>     ED...... AES encryption/decryption key
      -iv                <binary>     ED...... AES encryption/decryption initialization vector
      -decryption_key    <binary>     .D...... AES decryption key
      -decryption_iv     <binary>     .D...... AES decryption initialization vector
      -encryption_key    <binary>     E....... AES encryption key
      -encryption_iv     <binary>     E....... AES encryption initialization vector
    
    ffrtmphttp AVOptions:
      -ffrtmphttp_tls    <int>        .D...... Use a HTTPS tunneling connection (RTMPTS). (from 0 to 1) (default 0)
    
    file AVOptions:
      -truncate          <int>        E....... truncate existing files on write (from 0 to 1) (default 1)
      -blocksize         <int>        E....... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX)
    
    ftp AVOptions:
      -timeout           <int>        ED...... set timeout of socket I/O operations (from -1 to INT_MAX) (default -1)
      -ftp-write-seekable <int>        E....... control seekability of connection during encoding (from 0 to 1) (default 0)
      -ftp-anonymous-password <string>     ED...... password for anonymous login. E-mail address should be used.
    
    http AVOptions:
      -seekable          <int>        .D...... control seekability of connection (from -1 to 1) (default -1)
      -chunked_post      <int>        E....... use chunked transfer-encoding for posts (from 0 to 1) (default 1)
      -headers           <string>     ED...... set custom HTTP headers, can override built in default headers
      -content_type      <string>     ED...... set a specific content type for the POST messages
      -user_agent        <string>     .D...... override User-Agent header (default "Lavf/56.40.101")
      -user-agent        <string>     .D...... override User-Agent header (default "Lavf/56.40.101")
      -multiple_requests <int>        ED...... use persistent connections (from 0 to 1) (default 0)
      -post_data         <binary>     ED...... set custom HTTP post data
      -cookies           <string>     .D...... set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax
      -icy               <int>        .D...... request ICY metadata (from 0 to 1) (default 1)
      -auth_type         <int>        ED...... HTTP authentication type (from 0 to 1) (default 0)
         none                         ED...... No auth method set, autodetect
         basic                        ED...... HTTP basic authentication
      -send_expect_100   <int>        E....... Force sending an Expect: 100-continue header for POST (from 0 to 1) (default 0)
      -location          <string>     ED...... The actual location of the data received
      -offset            <int64>      .D...... initial byte offset (from 0 to I64_MAX) (default 0)
      -end_offset        <int64>      .D...... try to limit the request to bytes preceding this offset (from 0 to I64_MAX) (default 0)
      -method            <string>     ED...... Override the HTTP method or set the expected HTTP method from a client
      -reconnect         <int>        .D...... auto reconnect after disconnect before EOF (from 0 to 1) (default 0)
      -listen            <int>        ED...... listen on HTTP (from 0 to 2) (default 0)
      -resource          <string>     E....... The resource requested by a client
      -reply_code        <int>        E....... The http status code to return to a client (from INT_MIN to 599) (default 200)
    
    icecast AVOptions:
      -ice_genre         <string>     E....... set stream genre
      -ice_name          <string>     E....... set stream description
      -ice_description   <string>     E....... set stream description
      -ice_url           <string>     E....... set stream website
      -ice_public        <int>        E....... set if stream is public (from 0 to 1) (default 0)
      -user_agent        <string>     E....... override User-Agent header
      -password          <string>     E....... set password
      -content_type      <string>     E....... set content-type, MUST be set if not audio/mpeg
      -legacy_icecast    <int>        E....... use legacy SOURCE method, for Icecast < v2.4 (from 0 to 1) (default 0)
    
    pipe AVOptions:
      -blocksize         <int>        E....... set I/O operation maximum block size (from 1 to INT_MAX) (default INT_MAX)
    
    rtmp AVOptions:
      -rtmp_app          <string>     ED...... Name of application to connect to on the RTMP server
      -rtmp_buffer       <int>        ED...... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX) (default 3000)
      -rtmp_conn         <string>     ED...... Append arbitrary AMF data to the Connect message
      -rtmp_flashver     <string>     ED...... Version of the Flash plugin used to run the SWF player.
      -rtmp_flush_interval <int>        E....... Number of packets flushed in the same request (RTMPT only). (from 0 to INT_MAX) (default 10)
      -rtmp_live         <int>        .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default -2)
         any                          .D...... both
         live                         .D...... live stream
         recorded                     .D...... recorded stream
      -rtmp_pageurl      <string>     .D...... URL of the web page in which the media was embedded. By default no value will be sent.
      -rtmp_playpath     <string>     ED...... Stream identifier to play or to publish
      -rtmp_subscribe    <string>     .D...... Name of live stream to subscribe to. Defaults to rtmp_playpath.
      -rtmp_swfhash      <binary>     .D...... SHA256 hash of the decompressed SWF file (32 bytes).
      -rtmp_swfsize      <int>        .D...... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0)
      -rtmp_swfurl       <string>     ED...... URL of the SWF player. By default no value will be sent
      -rtmp_swfverify    <string>     .D...... URL to player swf file, compute hash/size automatically.
      -rtmp_tcurl        <string>     ED...... URL of the target stream. Defaults to proto://host[:port]/app.
      -rtmp_listen       <int>        .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
      -listen            <int>        .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
      -timeout           <int>        .D...... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1)
    
    rtmpt AVOptions:
      -rtmp_app          <string>     ED...... Name of application to connect to on the RTMP server
      -rtmp_buffer       <int>        ED...... Set buffer time in milliseconds. The default is 3000. (from 0 to INT_MAX) (default 3000)
      -rtmp_conn         <string>     ED...... Append arbitrary AMF data to the Connect message
      -rtmp_flashver     <string>     ED...... Version of the Flash plugin used to run the SWF player.
      -rtmp_flush_interval <int>        E....... Number of packets flushed in the same request (RTMPT only). (from 0 to INT_MAX) (default 10)
      -rtmp_live         <int>        .D...... Specify that the media is a live stream. (from INT_MIN to INT_MAX) (default -2)
         any                          .D...... both
         live                         .D...... live stream
         recorded                     .D...... recorded stream
      -rtmp_pageurl      <string>     .D...... URL of the web page in which the media was embedded. By default no value will be sent.
      -rtmp_playpath     <string>     ED...... Stream identifier to play or to publish
      -rtmp_subscribe    <string>     .D...... Name of live stream to subscribe to. Defaults to rtmp_playpath.
      -rtmp_swfhash      <binary>     .D...... SHA256 hash of the decompressed SWF file (32 bytes).
      -rtmp_swfsize      <int>        .D...... Size of the decompressed SWF file, required for SWFVerification. (from 0 to INT_MAX) (default 0)
      -rtmp_swfurl       <string>     ED...... URL of the SWF player. By default no value will be sent
      -rtmp_swfverify    <string>     .D...... URL to player swf file, compute hash/size automatically.
      -rtmp_tcurl        <string>     ED...... URL of the target stream. Defaults to proto://host[:port]/app.
      -rtmp_listen       <int>        .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
      -listen            <int>        .D...... Listen for incoming rtmp connections (from INT_MIN to INT_MAX) (default 0)
      -timeout           <int>        .D...... Maximum timeout (in seconds) to wait for incoming connections. -1 is infinite. Implies -rtmp_listen 1 (from INT_MIN to INT_MAX) (default -1)
    
    rtp AVOptions:
      -ttl               <int>        ED...... Time to live (in milliseconds, multicast only) (from -1 to INT_MAX) (default -1)
      -buffer_size       <int>        ED...... Send/Receive buffer size (in bytes) (from -1 to INT_MAX) (default -1)
      -rtcp_port         <int>        ED...... Custom rtcp port (from -1 to INT_MAX) (default -1)
      -local_rtpport     <int>        ED...... Local rtp port (from -1 to INT_MAX) (default -1)
      -local_rtcpport    <int>        ED...... Local rtcp port (from -1 to INT_MAX) (default -1)
      -connect           <int>        ED...... Connect socket (from 0 to 1) (default 0)
      -write_to_source   <int>        ED...... Send packets to the source address of the latest received packet (from 0 to 1) (default 0)
      -pkt_size          <int>        ED...... Maximum packet size (from -1 to INT_MAX) (default -1)
      -dscp              <int>        ED...... DSCP class (from -1 to INT_MAX) (default -1)
      -sources           <string>     ED...... Source list
      -block             <string>     ED...... Block list
    
    srtp AVOptions:
      -srtp_out_suite    <string>     E....... 
      -srtp_out_params   <string>     E....... 
      -srtp_in_suite     <string>     .D...... 
      -srtp_in_params    <string>     .D...... 
    
    subfile AVOptions:
      -start             <int64>      .D...... start offset (from 0 to I64_MAX) (default 0)
      -end               <int64>      .D...... end offset (from 0 to I64_MAX) (default 0)
    
    tcp AVOptions:
      -listen            <int>        ED...... Listen for incoming connections (from 0 to 2) (default 0)
      -timeout           <int>        ED...... set timeout (in microseconds) of socket I/O operations (from -1 to INT_MAX) (default -1)
      -listen_timeout    <int>        ED...... Connection awaiting timeout (in milliseconds) (from -1 to INT_MAX) (default -1)
    
    udp AVOptions:
      -buffer_size       <int>        ED...... System data size (in bytes) (from -1 to INT_MAX) (default -1)
      -localport         <int>        ED...... Local port (from -1 to INT_MAX) (default -1)
      -local_port        <int>        ED...... Local port (from -1 to INT_MAX) (default -1)
      -localaddr         <string>     ED...... Local address
      -udplite_coverage  <int>        ED...... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0)
      -pkt_size          <int>        ED...... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)
      -reuse             <int>        ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1)
      -reuse_socket      <int>        ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1)
      -broadcast         <int>        E....... explicitly allow or disallow broadcast destination (from 0 to 1) (default 0)
      -ttl               <int>        E....... Time to live (multicast only) (from 0 to INT_MAX) (default 16)
      -connect           <int>        ED...... set if connect() should be called on socket (from 0 to 1) (default 0)
      -fifo_size         <int>        .D...... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)
      -overrun_nonfatal  <int>        .D...... survive in case of UDP receiving circular buffer overrun (from 0 to 1) (default 0)
      -timeout           <int>        .D...... set raise error timeout (only in read mode) (from 0 to INT_MAX) (default 0)
      -sources           <string>     ED...... Source list
      -block             <string>     ED...... Block list
    
    udplite AVOptions:
      -buffer_size       <int>        ED...... System data size (in bytes) (from -1 to INT_MAX) (default -1)
      -localport         <int>        ED...... Local port (from -1 to INT_MAX) (default -1)
      -local_port        <int>        ED...... Local port (from -1 to INT_MAX) (default -1)
      -localaddr         <string>     ED...... Local address
      -udplite_coverage  <int>        ED...... choose UDPLite head size which should be validated by checksum (from 0 to INT_MAX) (default 0)
      -pkt_size          <int>        ED...... Maximum UDP packet size (from -1 to INT_MAX) (default 1472)
      -reuse             <int>        ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1)
      -reuse_socket      <int>        ED...... explicitly allow reusing UDP sockets (from -1 to 1) (default -1)
      -broadcast         <int>        E....... explicitly allow or disallow broadcast destination (from 0 to 1) (default 0)
      -ttl               <int>        E....... Time to live (multicast only) (from 0 to INT_MAX) (default 16)
      -connect           <int>        ED...... set if connect() should be called on socket (from 0 to 1) (default 0)
      -fifo_size         <int>        .D...... set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes (from 0 to INT_MAX) (default 28672)
      -overrun_nonfatal  <int>        .D...... survive in case of UDP receiving circular buffer overrun (from 0 to 1) (default 0)
      -timeout           <int>        .D...... set raise error timeout (only in read mode) (from 0 to INT_MAX) (default 0)
      -sources           <string>     ED...... Source list
      -block             <string>     ED...... Block list
    
    unix AVOptions:
      -listen            <int>        ED...... Open socket for listening (from 0 to 1) (default 0)
      -timeout           <int>        ED...... Timeout in ms (from -1 to INT_MAX) (default -1)
      -type              <int>        ED...... Socket type (from INT_MIN to INT_MAX) (default 1)
         stream                       ED...... Stream (reliable stream-oriented)
         datagram                     ED...... Datagram (unreliable packet-oriented)
         seqpacket                    ED...... Seqpacket (reliable packet-oriented
    
    DV1394 indev AVOptions:
      -standard          <int>        .D......  (from 0 to 1) (default 0)
         PAL                          .D...... 
         NTSC                         .D...... 
      -channel           <int>        .D......  (from 0 to INT_MAX) (default 63)
    
    fbdev indev AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    lavfi indev AVOptions:
      -graph             <string>     .D...... set libavfilter graph
      -graph_file        <string>     .D...... set libavfilter graph filename
      -dumpgraph         <string>     .D...... dump graph to stderr
    
    OSS demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 1 to INT_MAX) (default 48000)
      -channels          <int>        .D......  (from 1 to INT_MAX) (default 2)
    
    V4L2 indev AVOptions:
      -standard          <string>     .D...... set TV standard, used only by analog frame grabber
      -channel           <int>        .D...... set TV channel, used only by frame grabber (from -1 to INT_MAX) (default -1)
      -video_size        <image_size> .D...... set frame size
      -pixel_format      <string>     .D...... set preferred pixel format
      -input_format      <string>     .D...... set preferred pixel format (for raw video) or codec name
      -framerate         <string>     .D...... set frame rate
      -list_formats      <int>        .D...... list available formats and exit (from 0 to INT_MAX) (default 0)
         all                          .D...... show all available formats
         raw                          .D...... show only non-compressed formats
         compressed                   .D...... show only compressed formats
      -list_standards    <int>        .D...... list supported standards and exit (from 0 to 1) (default 0)
         all                          .D...... show all supported standards
      -timestamps        <int>        .D...... set type of timestamps for grabbed frames (from 0 to 2) (default 0)
         default                      .D...... use timestamps from the kernel
         abs                          .D...... use absolute timestamps (wall clock)
         mono2abs                     .D...... force conversion from monotonic to absolute timestamps
      -ts                <int>        .D...... set type of timestamps for grabbed frames (from 0 to 2) (default 0)
         default                      .D...... use timestamps from the kernel
         abs                          .D...... use absolute timestamps (wall clock)
         mono2abs                     .D...... force conversion from monotonic to absolute timestamps
      -use_libv4l2       <int>        .D...... use libv4l2 (v4l-utils) conversion functions (from 0 to 1) (default 0)
    
    xcbgrab indev AVOptions:
      -x                 <int>        .D...... Initial x coordinate. (from 0 to INT_MAX) (default 0)
      -y                 <int>        .D...... Initial y coordinate. (from 0 to INT_MAX) (default 0)
      -grab_x            <int>        .D...... Initial x coordinate. (from 0 to INT_MAX) (default 0)
      -grab_y            <int>        .D...... Initial y coordinate. (from 0 to INT_MAX) (default 0)
      -video_size        <string>     .D...... A string describing frame size, such as 640x480 or hd720. (default "vga")
      -framerate         <string>     .D......  (default "ntsc")
      -draw_mouse        <int>        .D...... Draw the mouse pointer. (from 0 to 1) (default 1)
      -follow_mouse      <int>        .D...... Move the grabbing region when the mouse pointer reaches within specified amount of pixels to the edge of region. (from -1 to INT_MAX) (default 0)
         centered                     .D...... Keep the mouse pointer at the center of grabbing region when following.
      -show_region       <int>        .D...... Show the grabbing region. (from 0 to 1) (default 0)
      -region_border     <int>        .D...... Set the region border thickness. (from 1 to 128) (default 3)
    
    aa AVOptions:
      -aa_fixed_key      <binary>     .D...... Fixed key used for handling Audible AA files
    
    Artworx Data Format demuxer AVOptions:
      -linespeed         <int>        .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
      -video_size        <image_size> .D...... set video size, such as 640x480 or hd720.
      -framerate         <video_rate> .D...... set framerate (frames per second) (default "25")
    
    APNG demuxer AVOptions:
      -ignore_loop       <int>        .D...... ignore loop setting (from 0 to 1) (default 1)
      -max_fps           <int>        .D...... maximum framerate (0 is no limit) (from 0 to INT_MAX) (default 15)
      -default_fps       <int>        .D...... default framerate (0 is as fast as possible) (from 0 to INT_MAX) (default 15)
    
    aqtdec AVOptions:
      -subfps            <rational>   .D...S.. set the movie frame rate (from 0 to INT_MAX) (default 25/1)
    
    asf demuxer AVOptions:
      -no_resync_search  <int>        .D...... Don't try to resynchronize by looking for a certain optional start code (from 0 to 1) (default 0)
      -export_xmp        <int>        .D...... Export full XMP metadata (from 0 to 1) (default 0)
    
    avi AVOptions:
      -use_odml          <int>        .D...... use odml index (from -1 to 1) (default 1)
    
    Binary text demuxer AVOptions:
      -linespeed         <int>        .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
      -video_size        <image_size> .D...... set video size, such as 640x480 or hd720.
      -framerate         <video_rate> .D...... set framerate (frames per second) (default "25")
    
    cavsvideo demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    CDXL demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 1 to INT_MAX) (default 11025)
      -framerate         <string>     .D...... 
    
    concat demuxer AVOptions:
      -safe              <int>        .D...... enable safe mode (from -1 to 1) (default -1)
      -auto_convert      <int>        .D...... automatically convert bitstream format (from 0 to 1) (default 1)
    
    dirac demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    dnxhd demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    dvbsub demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    flvdec AVOptions:
      -flv_metadata      <int>        .D.V.... Allocate streams according to the onMetaData array (from 0 to 1) (default 0)
    
    live_flvdec AVOptions:
      -flv_metadata      <int>        .D.V.... Allocate streams according to the onMetaData array (from 0 to 1) (default 0)
    
    g729 demuxer AVOptions:
      -bit_rate          <int>        .D......  (from 0 to INT_MAX) (default 0)
    
    GIF demuxer AVOptions:
      -min_delay         <int>        .D...... minimum valid delay between frames (in hundredths of second) (from 0 to 6000) (default 2)
      -max_gif_delay     <int>        .D...... maximum valid delay between frames (in hundredths of seconds) (from 0 to 65535) (default 65535)
      -default_delay     <int>        .D...... default delay between frames (in hundredths of second) (from 0 to 6000) (default 10)
      -ignore_loop       <int>        .D...... ignore loop setting (netscape extension) (from 0 to 1) (default 1)
    
    gsm demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 1 to 6.50753e+07) (default 8000)
    
    h261 demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    h263 demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    h264 demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    hevc demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    hls,applehttp AVOptions:
      -live_start_index  <int>        .D...... segment index to start live streams at (negative values are from the end) (from INT_MIN to INT_MAX) (default -3)
    
    iCE Draw File demuxer AVOptions:
      -linespeed         <int>        .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
      -video_size        <image_size> .D...... set video size, such as 640x480 or hd720.
      -framerate         <video_rate> .D...... set framerate (frames per second) (default "25")
    
    image2 demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    image2pipe demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    alias_pix demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    brender_pix demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    ingenient demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    m4v demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    microdvddec AVOptions:
      -subfps            <rational>   .D...S.. set the movie frame rate fallback (from 0 to INT_MAX) (default 0/1)
    
    mjpeg demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    mov,mp4,m4a,3gp,3g2,mj2 AVOptions:
      -use_absolute_path <int>        .D.V.... allow using absolute path when opening alias, this is a possible security issue (from 0 to 1) (default 0)
      -seek_streams_individually <int>        .D.V.... Seek each stream individually to the to the closest point (from 0 to 1) (default 1)
      -ignore_editlist   <int>        .D.V....  (from 0 to 1) (default 0)
      -use_mfra_for      <int>        .D.V.... use mfra for fragment timestamps (from -1 to 2) (default -1)
         auto                         .D.V.... auto
         dts                          .D.V.... dts
         pts                          .D.V.... pts
      -export_all        <int>        .D.V.... Export unrecognized metadata entries (from 0 to 1) (default 0)
      -export_xmp        <int>        .D.V.... Export full XMP metadata (from 0 to 1) (default 0)
      -activation_bytes  <binary>     .D...... Secret bytes for Audible AAX files
      -audible_fixed_key <binary>     .D...... Fixed key used for handling Audible AAX files
    
    mp3 AVOptions:
      -usetoc            <int>        .D...... use table of contents (from -1 to 2) (default -1)
    
    mpegts demuxer AVOptions:
      -resync_size       <int>        .D...... set size limit for looking up a new synchronization (from 0 to INT_MAX) (default 65536)
      -fix_teletext_pts  <int>        .D...... try to fix pts values of dvb teletext streams (from 0 to 1) (default 1)
      -ts_packetsize     <int>        .D....XR output option carrying the raw packet size (from 0 to 0) (default 0)
      -scan_all_pmts     <int>        .D...... scan and combine all PMTs (from -1 to 1) (default -1)
    
    mpegtsraw demuxer AVOptions:
      -resync_size       <int>        .D...... set size limit for looking up a new synchronization (from 0 to INT_MAX) (default 65536)
      -compute_pcr       <int>        .D...... compute exact PCR for each transport stream packet (from 0 to 1) (default 0)
      -ts_packetsize     <int>        .D....XR output option carrying the raw packet size (from 0 to 0) (default 0)
    
    mpegvideo demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    alaw demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    mulaw demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    f64be demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    f64le demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    f32be demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    f32le demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    s32be demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    s32le demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    s24be demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    s24le demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    s16be demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    s16le demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    s8 demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    u32be demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    u32le demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    u24be demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    u24le demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    u16be demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    u16le demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    u8 demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 44100)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    rawvideo demuxer AVOptions:
      -video_size        <image_size> .D...... set frame size
      -pixel_format      <string>     .D...... set pixel format (default "yuv420p")
      -framerate         <video_rate> .D...... set frame rate (default "25")
    
    RTP demuxer AVOptions:
      -rtp_flags         <flags>      .D...... set RTP flags (default 0)
         filter_src                   .D...... only receive packets from the negotiated peer IP
      -reorder_queue_size <int>        .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
      -buffer_size       <int>        ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
    
    RTSP demuxer AVOptions:
      -initial_pause     <int>        .D...... do not start playing the stream immediately (from 0 to 1) (default 0)
      -rtpflags          <flags>      E....... RTP muxer flags (default 0)
         latm                         E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
         rfc2190                      E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
         skip_rtcp                    E....... Don't send RTCP sender reports
         h264_mode0                   E....... Use mode 0 for H264 in RTP
         send_bye                     E....... Send RTCP BYE packets when finishing
      -rtsp_transport    <flags>      ED...... set RTSP transport protocols (default 0)
         udp                          ED...... UDP
         tcp                          ED...... TCP
         udp_multicast                .D...... UDP multicast
         http                         .D...... HTTP tunneling
      -rtsp_flags        <flags>      .D...... set RTSP flags (default 0)
         filter_src                   .D...... only receive packets from the negotiated peer IP
         listen                       .D...... wait for incoming connections
         prefer_tcp                   ED...... try RTP via TCP first, if available
      -allowed_media_types <flags>      .D...... set media types to accept from the server (default F)
         video                        .D...... Video
         audio                        .D...... Audio
         data                         .D...... Data
         subtitle                     .D...... Subtitle
      -min_port          <int>        ED...... set minimum local UDP port (from 0 to 65535) (default 5000)
      -max_port          <int>        ED...... set maximum local UDP port (from 0 to 65535) (default 65000)
      -timeout           <int>        .D...... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1)
      -stimeout          <int>        .D...... set timeout (in microseconds) of socket TCP I/O operations (from INT_MIN to INT_MAX) (default 0)
      -reorder_queue_size <int>        .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
      -buffer_size       <int>        ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
      -user-agent        <string>     .D...... override User-Agent header (default "Lavf56.40.101")
    
    sbg_demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 0)
      -frame_size        <int>        .D......  (from 0 to INT_MAX) (default 0)
      -max_file_size     <int>        .D......  (from 0 to INT_MAX) (default 5e+06)
    
    SDP demuxer AVOptions:
      -sdp_flags         <flags>      .D...... SDP flags (default 0)
         filter_src                   .D...... only receive packets from the negotiated peer IP
         custom_io                    .D...... use custom I/O
         rtcp_to_source               .D...... send RTCP packets to the source address of received packets
      -allowed_media_types <flags>      .D...... set media types to accept from the server (default F)
         video                        .D...... Video
         audio                        .D...... Audio
         data                         .D...... Data
         subtitle                     .D...... Subtitle
      -reorder_queue_size <int>        .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
      -buffer_size       <int>        ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
    
    sln demuxer AVOptions:
      -sample_rate       <int>        .D......  (from 0 to INT_MAX) (default 8000)
      -channels          <int>        .D......  (from 0 to INT_MAX) (default 1)
    
    tedcaptions_demuxer AVOptions:
      -start_time        <int64>      .D...S.. set the start time (offset) of the subtitles, in ms (from I64_MIN to I64_MAX) (default 15000)
    
    TTY demuxer AVOptions:
      -chars_per_frame   <int>        .D......  (from 1 to INT_MAX) (default 6000)
      -video_size        <image_size> .D...... A string describing frame size, such as 640x480 or hd720.
      -framerate         <video_rate> .D......  (default "25")
    
    vc1 demuxer AVOptions:
      -framerate         <video_rate> .D......  (default "25")
    
    vobsub AVOptions:
      -sub_name          <string>     .D...... URI for .sub file
    
    WAV demuxer AVOptions:
      -ignore_length     <int>        .D...... Ignore length (from 0 to 1) (default 0)
    
    WebM DASH Manifest demuxer AVOptions:
      -live              <int>        .D...... flag indicating that the input is a live file that only has the headers. (from 0 to 1) (default 0)
    
    WebVTT demuxer AVOptions:
    
    eXtended BINary text (XBIN) demuxer AVOptions:
      -linespeed         <int>        .D...... set simulated line speed (bytes per second) (from 1 to INT_MAX) (default 6000)
      -video_size        <image_size> .D...... set video size, such as 640x480 or hd720.
      -framerate         <video_rate> .D...... set framerate (frames per second) (default "25")
    
    bmp demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    dds demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    dpx demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    exr demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    j2k demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    jpeg demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    jpegls demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    pictor demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    png demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    qdraw demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    sgi demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    sunrast demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    tiff demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    webp demuxer AVOptions:
      -framerate         <video_rate> .D...... set the video framerate (default "25")
      -loop              <int>        .D...... force loop over input file sequence (from 0 to 1) (default 0)
      -pattern_type      <int>        .D...... set pattern type (from 0 to INT_MAX) (default 0)
         glob_sequence                .D...... select glob/sequence pattern type
         glob                         .D...... select glob pattern type
         sequence                     .D...... select sequence pattern type
         none                         .D...... disable pattern matching
      -pixel_format      <string>     .D...... set video pixel format
      -start_number      <int>        .D...... set first number in the sequence (from INT_MIN to INT_MAX) (default 0)
      -start_number_range <int>        .D...... set range for looking at the first sequence number (from 1 to INT_MAX) (default 5)
      -video_size        <image_size> .D...... set video size
      -frame_size        <int>        .D...... force frame size in bytes (from 0 to INT_MAX) (default 0)
      -ts_from_file      <int>        .D...... set frame timestamp from file's one (from 0 to 2) (default 0)
         none                         .D...... none
         sec                          .D...... second precision
         ns                           .D...... nano second precision
    
    fbdev outdev AVOptions:
      -xoffset           <int>        E....... set x coordinate of top left corner (from INT_MIN to INT_MAX) (default 0)
      -yoffset           <int>        E....... set y coordinate of top left corner (from INT_MIN to INT_MAX) (default 0)
    
    xvideo outdev AVOptions:
      -display_name      <string>     E....... set display name
      -window_id         <int64>      E....... set existing window id (from 0 to I64_MAX) (default 0)
      -window_size       <image_size> E....... set window forced size
      -window_title      <string>     E....... set window title
      -window_x          <int>        E....... set window x offset (from -2.14748e+09 to INT_MAX) (default 0)
      -window_y          <int>        E....... set window y offset (from -2.14748e+09 to INT_MAX) (default 0)
    
    ADTS muxer AVOptions:
      -write_id3v2       <int>        E....... Enable ID3v2 tag writing (from 0 to 1) (default 0)
      -write_apetag      <int>        E....... Enable APE tag writing (from 0 to 1) (default 0)
    
    AIFF muxer AVOptions:
      -write_id3v2       <int>        E....... Enable ID3 tags writing. (from 0 to 1) (default 0)
      -id3v2_version     <int>        E....... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 3 to 4) (default 4)
    
    APNG muxer AVOptions:
      -plays             <int>        E....... Number of times to play the output: 0 - infinite loop, 1 - no loop (from 0 to UINT32_MAX) (default 1)
      -final_delay       <rational>   E....... Force delay after the last frame (from 0 to 65535) (default 0/1)
    
    ass muxer AVOptions:
      -ignore_readorder  <int>        E....... write events immediately, even if they're out-of-order (from 0 to 1) (default 0)
    
    AST muxer AVOptions:
      -loopstart         <int64>      E....... Loopstart position in milliseconds. (from -1 to INT_MAX) (default -1)
      -loopend           <int64>      E....... Loopend position in milliseconds. (from 0 to INT_MAX) (default 0)
    
    dash muxer AVOptions:
      -window_size       <int>        E....... number of segments kept in the manifest (from 0 to INT_MAX) (default 0)
      -extra_window_size <int>        E....... number of segments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
      -min_seg_duration  <int64>      E....... minimum segment duration (in microseconds) (from 0 to INT_MAX) (default 5e+06)
      -remove_at_exit    <int>        E....... remove all segments when finished (from 0 to 1) (default 0)
      -use_template      <int>        E....... Use SegmentTemplate instead of SegmentList (from 0 to 1) (default 1)
      -use_timeline      <int>        E....... Use SegmentTimeline in SegmentTemplate (from 0 to 1) (default 1)
      -single_file       <int>        E....... Store all segments in one file, accessed using byte ranges (from 0 to 1) (default 0)
      -single_file_name  <string>     E....... DASH-templated name to be used for baseURL. Implies storing all segments in one file, accessed using byte ranges
      -init_seg_name     <string>     E....... DASH-templated name to used for the initialization segment (default "init-stream$RepresentationID$.m4s")
      -media_seg_name    <string>     E....... DASH-templated name to used for the media segments (default "chunk-stream$RepresentationID$-$Number%05d$.m4s")
    
    f4v muxer AVOptions:
      -movflags          <flags>      E....... MOV muxer flags (default 0)
         rtphint                      E....... Add RTP hint tracks
         empty_moov                   E....... Make the initial moov atom empty
         frag_keyframe                E....... Fragment at video keyframes
         separate_moof                E....... Write separate moof/mdat atoms for each track
         frag_custom                  E....... Flush fragments on caller requests
         isml                         E....... Create a live smooth streaming feed (for pushing to a publishing point)
         faststart                    E....... Run a second pass to put the index (moov atom) at the beginning of the file
         omit_tfhd_offset              E....... Omit the base data offset in tfhd atoms
         disable_chpl                 E....... Disable Nero chapter atom
         default_base_moof              E....... Set the default-base-is-moof flag in tfhd atoms
         dash                         E....... Write DASH compatible fragmented MP4
         frag_discont                 E....... Signal that the next fragment is discontinuous from earlier ones
         delay_moov                   E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
         global_sidx                  E....... Write a global sidx index at the start of the file
         write_colr                   E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
         write_gama                   E....... Write deprecated gama atom
      -moov_size         <int>        E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
      -rtpflags          <flags>      E....... RTP muxer flags (default 0)
         latm                         E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
         rfc2190                      E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
         skip_rtcp                    E....... Don't send RTCP sender reports
         h264_mode0                   E....... Use mode 0 for H264 in RTP
         send_bye                     E....... Send RTCP BYE packets when finishing
      -skip_iods         <int>        E....... Skip writing iods atom. (from 0 to 1) (default 1)
      -iods_audio_profile <int>        E....... iods audio profile atom. (from -1 to 255) (default -1)
      -iods_video_profile <int>        E....... iods video profile atom. (from -1 to 255) (default -1)
      -frag_duration     <int>        E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
      -min_frag_duration <int>        E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
      -frag_size         <int>        E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
      -ism_lookahead     <int>        E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
      -video_track_timescale <int>        E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
      -brand             <string>     E....... Override major brand
      -use_editlist      <int>        E....... use edit list (from -1 to 1) (default -1)
      -fragment_index    <int>        E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
      -mov_gamma         <float>      E....... gamma value for gama atom (from 0 to 10) (default 0)
      -frag_interleave   <int>        E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
    
    flac muxer AVOptions:
      -write_header      <int>        E....... Write the file header (from 0 to 1) (default 1)
    
    frame hash encoder class AVOptions:
      -hash              <string>     E....... set hash to use (default "md5")
      -format_version    <int>        E....... file format version (from 1 to 1) (default 1)
    
    GIF muxer AVOptions:
      -loop              <int>        E....... Number of times to loop the output: -1 - no loop, 0 - infinite loop (from -1 to 65535) (default 0)
      -final_delay       <int>        E....... Force delay (in centiseconds) after the last frame (from -1 to 65535) (default -1)
    
    HDS muxer AVOptions:
      -window_size       <int>        E....... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0)
      -extra_window_size <int>        E....... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
      -min_frag_duration <int64>      E....... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 1e+07)
      -remove_at_exit    <int>        E....... remove all fragments when finished (from 0 to 1) (default 0)
    
    hls muxer AVOptions:
      -start_number      <int64>      E....... set first number in the sequence (from 0 to I64_MAX) (default 0)
      -hls_time          <float>      E....... set segment length in seconds (from 0 to FLT_MAX) (default 2)
      -hls_list_size     <int>        E....... set maximum number of playlist entries (from 0 to INT_MAX) (default 5)
      -hls_ts_options    <string>     E....... set hls mpegts list of options for the container format used for hls
      -hls_vtt_options   <string>     E....... set hls vtt list of options for the container format used for hls
      -hls_wrap          <int>        E....... set number after which the index wraps (from 0 to INT_MAX) (default 0)
      -hls_allow_cache   <int>        E....... explicitly set whether the client MAY (1) or MUST NOT (0) cache media segments (from INT_MIN to INT_MAX) (default -1)
      -hls_base_url      <string>     E....... url to prepend to each playlist entry
      -hls_segment_filename <string>     E....... filename template for segment files
      -hls_key_info_file <string>     E....... file with key URI and key file path
      -hls_subtitle_path <string>     E....... set path of hls subtitles
      -hls_flags         <flags>      E....... set flags affecting HLS playlist and media file generation (default 0)
         single_file                  E....... generate a single media file indexed with byte ranges
         delete_segments              E....... delete segment files that are no longer part of the playlist
         round_durations              E....... round durations in m3u8 to whole numbers
         discont_start                E....... start the playlist with a discontinuity tag
         omit_endlist                 E....... Do not append an endlist when ending stream
      -use_localtime     <int>        E....... set filename expansion with strftime at segment creation (from 0 to 1) (default 0)
    
    image2 muxer AVOptions:
      -updatefirst       <int>        E....... continuously overwrite one file (from 0 to 1) (default 0)
      -update            <int>        E....... continuously overwrite one file (from 0 to 1) (default 0)
      -start_number      <int>        E....... set first number in the sequence (from 0 to INT_MAX) (default 1)
      -strftime          <int>        E....... use strftime for filename (from 0 to 1) (default 0)
    
    ipod muxer AVOptions:
      -movflags          <flags>      E....... MOV muxer flags (default 0)
         rtphint                      E....... Add RTP hint tracks
         empty_moov                   E....... Make the initial moov atom empty
         frag_keyframe                E....... Fragment at video keyframes
         separate_moof                E....... Write separate moof/mdat atoms for each track
         frag_custom                  E....... Flush fragments on caller requests
         isml                         E....... Create a live smooth streaming feed (for pushing to a publishing point)
         faststart                    E....... Run a second pass to put the index (moov atom) at the beginning of the file
         omit_tfhd_offset              E....... Omit the base data offset in tfhd atoms
         disable_chpl                 E....... Disable Nero chapter atom
         default_base_moof              E....... Set the default-base-is-moof flag in tfhd atoms
         dash                         E....... Write DASH compatible fragmented MP4
         frag_discont                 E....... Signal that the next fragment is discontinuous from earlier ones
         delay_moov                   E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
         global_sidx                  E....... Write a global sidx index at the start of the file
         write_colr                   E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
         write_gama                   E....... Write deprecated gama atom
      -moov_size         <int>        E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
      -rtpflags          <flags>      E....... RTP muxer flags (default 0)
         latm                         E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
         rfc2190                      E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
         skip_rtcp                    E....... Don't send RTCP sender reports
         h264_mode0                   E....... Use mode 0 for H264 in RTP
         send_bye                     E....... Send RTCP BYE packets when finishing
      -skip_iods         <int>        E....... Skip writing iods atom. (from 0 to 1) (default 1)
      -iods_audio_profile <int>        E....... iods audio profile atom. (from -1 to 255) (default -1)
      -iods_video_profile <int>        E....... iods video profile atom. (from -1 to 255) (default -1)
      -frag_duration     <int>        E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
      -min_frag_duration <int>        E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
      -frag_size         <int>        E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
      -ism_lookahead     <int>        E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
      -video_track_timescale <int>        E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
      -brand             <string>     E....... Override major brand
      -use_editlist      <int>        E....... use edit list (from -1 to 1) (default -1)
      -fragment_index    <int>        E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
      -mov_gamma         <float>      E....... gamma value for gama atom (from 0 to 10) (default 0)
      -frag_interleave   <int>        E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
    
    ismv muxer AVOptions:
      -movflags          <flags>      E....... MOV muxer flags (default 0)
         rtphint                      E....... Add RTP hint tracks
         empty_moov                   E....... Make the initial moov atom empty
         frag_keyframe                E....... Fragment at video keyframes
         separate_moof                E....... Write separate moof/mdat atoms for each track
         frag_custom                  E....... Flush fragments on caller requests
         isml                         E....... Create a live smooth streaming feed (for pushing to a publishing point)
         faststart                    E....... Run a second pass to put the index (moov atom) at the beginning of the file
         omit_tfhd_offset              E....... Omit the base data offset in tfhd atoms
         disable_chpl                 E....... Disable Nero chapter atom
         default_base_moof              E....... Set the default-base-is-moof flag in tfhd atoms
         dash                         E....... Write DASH compatible fragmented MP4
         frag_discont                 E....... Signal that the next fragment is discontinuous from earlier ones
         delay_moov                   E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
         global_sidx                  E....... Write a global sidx index at the start of the file
         write_colr                   E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
         write_gama                   E....... Write deprecated gama atom
      -moov_size         <int>        E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
      -rtpflags          <flags>      E....... RTP muxer flags (default 0)
         latm                         E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
         rfc2190                      E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
         skip_rtcp                    E....... Don't send RTCP sender reports
         h264_mode0                   E....... Use mode 0 for H264 in RTP
         send_bye                     E....... Send RTCP BYE packets when finishing
      -skip_iods         <int>        E....... Skip writing iods atom. (from 0 to 1) (default 1)
      -iods_audio_profile <int>        E....... iods audio profile atom. (from -1 to 255) (default -1)
      -iods_video_profile <int>        E....... iods video profile atom. (from -1 to 255) (default -1)
      -frag_duration     <int>        E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
      -min_frag_duration <int>        E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
      -frag_size         <int>        E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
      -ism_lookahead     <int>        E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
      -video_track_timescale <int>        E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
      -brand             <string>     E....... Override major brand
      -use_editlist      <int>        E....... use edit list (from -1 to 1) (default -1)
      -fragment_index    <int>        E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
      -mov_gamma         <float>      E....... gamma value for gama atom (from 0 to 10) (default 0)
      -frag_interleave   <int>        E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
    
    LATM/LOAS muxer AVOptions:
      -smc-interval      <int>        E....... StreamMuxConfig interval. (from 1 to 65535) (default 20)
    
    hash encoder class AVOptions:
      -hash              <string>     E....... set hash to use (default "md5")
      -format_version    <int>        E....... file format version (from 1 to 1) (default 1)
    
    matroska muxer AVOptions:
      -reserve_index_space <int>        E....... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from 0 to INT_MAX) (default 0)
      -cluster_size_limit <int>        E....... Store at most the provided amount of bytes in a cluster.  (from -1 to INT_MAX) (default -1)
      -cluster_time_limit <int64>      E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1)
      -dash              <int>        E....... Create a WebM file conforming to WebM DASH specification (from 0 to 1) (default 0)
      -dash_track_number <int>        E....... Track number for the DASH stream (from 0 to 127) (default 1)
      -live              <int>        E....... Write files assuming it is a live stream. (from 0 to 1) (default 0)
      -allow_raw_vfw     <int>        E....... allow RAW VFW mode (from 0 to 1) (default 0)
    
    matroska audio muxer AVOptions:
      -reserve_index_space <int>        E....... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from 0 to INT_MAX) (default 0)
      -cluster_size_limit <int>        E....... Store at most the provided amount of bytes in a cluster.  (from -1 to INT_MAX) (default -1)
      -cluster_time_limit <int64>      E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1)
      -dash              <int>        E....... Create a WebM file conforming to WebM DASH specification (from 0 to 1) (default 0)
      -dash_track_number <int>        E....... Track number for the DASH stream (from 0 to 127) (default 1)
      -live              <int>        E....... Write files assuming it is a live stream. (from 0 to 1) (default 0)
      -allow_raw_vfw     <int>        E....... allow RAW VFW mode (from 0 to 1) (default 0)
    
    mov muxer AVOptions:
      -movflags          <flags>      E....... MOV muxer flags (default 0)
         rtphint                      E....... Add RTP hint tracks
         empty_moov                   E....... Make the initial moov atom empty
         frag_keyframe                E....... Fragment at video keyframes
         separate_moof                E....... Write separate moof/mdat atoms for each track
         frag_custom                  E....... Flush fragments on caller requests
         isml                         E....... Create a live smooth streaming feed (for pushing to a publishing point)
         faststart                    E....... Run a second pass to put the index (moov atom) at the beginning of the file
         omit_tfhd_offset              E....... Omit the base data offset in tfhd atoms
         disable_chpl                 E....... Disable Nero chapter atom
         default_base_moof              E....... Set the default-base-is-moof flag in tfhd atoms
         dash                         E....... Write DASH compatible fragmented MP4
         frag_discont                 E....... Signal that the next fragment is discontinuous from earlier ones
         delay_moov                   E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
         global_sidx                  E....... Write a global sidx index at the start of the file
         write_colr                   E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
         write_gama                   E....... Write deprecated gama atom
      -moov_size         <int>        E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
      -rtpflags          <flags>      E....... RTP muxer flags (default 0)
         latm                         E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
         rfc2190                      E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
         skip_rtcp                    E....... Don't send RTCP sender reports
         h264_mode0                   E....... Use mode 0 for H264 in RTP
         send_bye                     E....... Send RTCP BYE packets when finishing
      -skip_iods         <int>        E....... Skip writing iods atom. (from 0 to 1) (default 1)
      -iods_audio_profile <int>        E....... iods audio profile atom. (from -1 to 255) (default -1)
      -iods_video_profile <int>        E....... iods video profile atom. (from -1 to 255) (default -1)
      -frag_duration     <int>        E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
      -min_frag_duration <int>        E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
      -frag_size         <int>        E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
      -ism_lookahead     <int>        E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
      -video_track_timescale <int>        E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
      -brand             <string>     E....... Override major brand
      -use_editlist      <int>        E....... use edit list (from -1 to 1) (default -1)
      -fragment_index    <int>        E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
      -mov_gamma         <float>      E....... gamma value for gama atom (from 0 to 10) (default 0)
      -frag_interleave   <int>        E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
    
    MP3 muxer AVOptions:
      -id3v2_version     <int>        E....... Select ID3v2 version to write. Currently 3 and 4 are supported. (from 0 to 4) (default 4)
      -write_id3v1       <int>        E....... Enable ID3v1 writing. ID3v1 tags are written in UTF-8 which may not be supported by most software. (from 0 to 1) (default 0)
      -write_xing        <int>        E....... Write the Xing header containing file duration. (from 0 to 1) (default 1)
    
    mp4 muxer AVOptions:
      -movflags          <flags>      E....... MOV muxer flags (default 0)
         rtphint                      E....... Add RTP hint tracks
         empty_moov                   E....... Make the initial moov atom empty
         frag_keyframe                E....... Fragment at video keyframes
         separate_moof                E....... Write separate moof/mdat atoms for each track
         frag_custom                  E....... Flush fragments on caller requests
         isml                         E....... Create a live smooth streaming feed (for pushing to a publishing point)
         faststart                    E....... Run a second pass to put the index (moov atom) at the beginning of the file
         omit_tfhd_offset              E....... Omit the base data offset in tfhd atoms
         disable_chpl                 E....... Disable Nero chapter atom
         default_base_moof              E....... Set the default-base-is-moof flag in tfhd atoms
         dash                         E....... Write DASH compatible fragmented MP4
         frag_discont                 E....... Signal that the next fragment is discontinuous from earlier ones
         delay_moov                   E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
         global_sidx                  E....... Write a global sidx index at the start of the file
         write_colr                   E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
         write_gama                   E....... Write deprecated gama atom
      -moov_size         <int>        E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
      -rtpflags          <flags>      E....... RTP muxer flags (default 0)
         latm                         E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
         rfc2190                      E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
         skip_rtcp                    E....... Don't send RTCP sender reports
         h264_mode0                   E....... Use mode 0 for H264 in RTP
         send_bye                     E....... Send RTCP BYE packets when finishing
      -skip_iods         <int>        E....... Skip writing iods atom. (from 0 to 1) (default 1)
      -iods_audio_profile <int>        E....... iods audio profile atom. (from -1 to 255) (default -1)
      -iods_video_profile <int>        E....... iods video profile atom. (from -1 to 255) (default -1)
      -frag_duration     <int>        E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
      -min_frag_duration <int>        E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
      -frag_size         <int>        E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
      -ism_lookahead     <int>        E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
      -video_track_timescale <int>        E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
      -brand             <string>     E....... Override major brand
      -use_editlist      <int>        E....... use edit list (from -1 to 1) (default -1)
      -fragment_index    <int>        E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
      -mov_gamma         <float>      E....... gamma value for gama atom (from 0 to 10) (default 0)
      -frag_interleave   <int>        E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
    
    mpeg muxer AVOptions:
      -muxrate           <int>        E....... (from 0 to 1.67772e+09) (default 0)
      -preload           <int>        E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
    
    vcd muxer AVOptions:
      -muxrate           <int>        E....... (from 0 to 1.67772e+09) (default 0)
      -preload           <int>        E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
    
    dvd muxer AVOptions:
      -muxrate           <int>        E....... (from 0 to 1.67772e+09) (default 0)
      -preload           <int>        E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
    
    svcd muxer AVOptions:
      -muxrate           <int>        E....... (from 0 to 1.67772e+09) (default 0)
      -preload           <int>        E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
    
    vob muxer AVOptions:
      -muxrate           <int>        E....... (from 0 to 1.67772e+09) (default 0)
      -preload           <int>        E....... Initial demux-decode delay in microseconds. (from 0 to INT_MAX) (default 500000)
    
    MPEGTS muxer AVOptions:
      -mpegts_transport_stream_id <int>        E....... Set transport_stream_id field. (from 1 to 65535) (default 1)
      -mpegts_original_network_id <int>        E....... Set original_network_id field. (from 1 to 65535) (default 1)
      -mpegts_service_id <int>        E....... Set service_id field. (from 1 to 65535) (default 1)
      -mpegts_service_type <int>        E....... Set service_type field. (from 1 to 255) (default 1)
         digital_tv                   E....... Digital Television.
         digital_radio                E....... Digital Radio.
         teletext                     E....... Teletext.
         advanced_codec_digital_radio              E....... Advanced Codec Digital Radio.
         mpeg2_digital_hdtv              E....... MPEG2 Digital HDTV.
         advanced_codec_digital_sdtv              E....... Advanced Codec Digital SDTV.
         advanced_codec_digital_hdtv              E....... Advanced Codec Digital HDTV.
      -mpegts_pmt_start_pid <int>        E....... Set the first pid of the PMT. (from 16 to 7936) (default 4096)
      -mpegts_start_pid  <int>        E....... Set the first pid. (from 32 to 3840) (default 256)
      -mpegts_m2ts_mode  <int>        E....... Enable m2ts mode. (from -1 to 1) (default -1)
      -muxrate           <int>        E....... (from 0 to INT_MAX) (default 1)
      -pes_payload_size  <int>        E....... Minimum PES packet payload in bytes (from 0 to INT_MAX) (default 2930)
      -mpegts_flags      <flags>      E....... MPEG-TS muxing flags (default 0)
         resend_headers               E....... Reemit PAT/PMT before writing the next packet
         latm                         E....... Use LATM packetization for AAC
         pat_pmt_at_frames              E....... Reemit PAT and PMT at each video frame
      -resend_headers    <int>        E....... Reemit PAT/PMT before writing the next packet (from 0 to INT_MAX) (default 0)
      -mpegts_copyts     <int>        E....... don't offset dts/pts (from -1 to 1) (default -1)
      -tables_version    <int>        E....... set PAT, PMT and SDT version (from 0 to 31) (default 0)
      -omit_video_pes_length <int>        E....... Omit the PES packet length for video packets (from 0 to 1) (default 1)
      -pcr_period        <int>        E....... PCR retransmission time (from 0 to INT_MAX) (default 20)
      -pat_period        <float>      E....... PAT/PMT retransmission time limit in seconds (from 0 to INT_MAX) (default INT_MAX)
      -sdt_period        <float>      E....... SDT retransmission time limit in seconds (from 0 to INT_MAX) (default INT_MAX)
    
    mpjpeg_muxer AVOptions:
      -boundary_tag      <string>     E....... Boundary tag (default "ffserver")
    
    MXF muxer AVOptions:
      -signal_standard   <int>        E....... Force/set Sigal Standard (from -1 to 7) (default -1)
         bt601                        E....... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)
         bt1358                       E....... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)
         smpte347m                    E....... SMPTE 347M (540 Mbps mappings)
         smpte274m                    E....... SMPTE 274M (1125 line)
         smpte296m                    E....... SMPTE 296M (750 line progressive)
         smpte349m                    E....... SMPTE 349M (1485 Mbps mappings)
         smpte428                     E....... SMPTE 428-1 DCDM
      -store_user_comments <int>        E.......  (from 0 to 1) (default 1)
    
    MXF-D10 muxer AVOptions:
      -d10_channelcount  <int>        E....... Force/set channelcount in generic sound essence descriptor (from -1 to 8) (default -1)
      -signal_standard   <int>        E....... Force/set Sigal Standard (from -1 to 7) (default -1)
         bt601                        E....... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)
         bt1358                       E....... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)
         smpte347m                    E....... SMPTE 347M (540 Mbps mappings)
         smpte274m                    E....... SMPTE 274M (1125 line)
         smpte296m                    E....... SMPTE 296M (750 line progressive)
         smpte349m                    E....... SMPTE 349M (1485 Mbps mappings)
         smpte428                     E....... SMPTE 428-1 DCDM
      -store_user_comments <int>        E.......  (from 0 to 1) (default 0)
    
    MXF-OPAtom muxer AVOptions:
      -mxf_audio_edit_rate <rational>   E....... Audio edit rate for timecode (from 0 to INT_MAX) (default 25/1)
      -signal_standard   <int>        E....... Force/set Sigal Standard (from -1 to 7) (default -1)
         bt601                        E....... ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)
         bt1358                       E....... ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)
         smpte347m                    E....... SMPTE 347M (540 Mbps mappings)
         smpte274m                    E....... SMPTE 274M (1125 line)
         smpte296m                    E....... SMPTE 296M (750 line progressive)
         smpte349m                    E....... SMPTE 349M (1485 Mbps mappings)
         smpte428                     E....... SMPTE 428-1 DCDM
    
    nutenc AVOptions:
      -syncpoints        <flags>      E....... NUT syncpoint behaviour (default 0)
         default                      E....... 
         none                         E....... Disable syncpoints, low overhead and unseekable
         timestamped                  E....... Extend syncpoints with a wallclock timestamp
      -write_index       <int>        E....... Write index (from 0 to 1) (default 1)
    
    Ogg audio muxer AVOptions:
      -serial_offset     <int>        E....... serial number offset (from 0 to INT_MAX) (default 0)
      -oggpagesize       <int>        E....... Set preferred Ogg page size. (from 0 to 65025) (default 0)
      -pagesize          <int>        E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
      -page_duration     <int64>      E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+06)
    
    Ogg muxer AVOptions:
      -serial_offset     <int>        E....... serial number offset (from 0 to INT_MAX) (default 0)
      -oggpagesize       <int>        E....... Set preferred Ogg page size. (from 0 to 65025) (default 0)
      -pagesize          <int>        E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
      -page_duration     <int64>      E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+06)
    
    Ogg Opus muxer AVOptions:
      -serial_offset     <int>        E....... serial number offset (from 0 to INT_MAX) (default 0)
      -oggpagesize       <int>        E....... Set preferred Ogg page size. (from 0 to 65025) (default 0)
      -pagesize          <int>        E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
      -page_duration     <int64>      E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+06)
    
    psp muxer AVOptions:
      -movflags          <flags>      E....... MOV muxer flags (default 0)
         rtphint                      E....... Add RTP hint tracks
         empty_moov                   E....... Make the initial moov atom empty
         frag_keyframe                E....... Fragment at video keyframes
         separate_moof                E....... Write separate moof/mdat atoms for each track
         frag_custom                  E....... Flush fragments on caller requests
         isml                         E....... Create a live smooth streaming feed (for pushing to a publishing point)
         faststart                    E....... Run a second pass to put the index (moov atom) at the beginning of the file
         omit_tfhd_offset              E....... Omit the base data offset in tfhd atoms
         disable_chpl                 E....... Disable Nero chapter atom
         default_base_moof              E....... Set the default-base-is-moof flag in tfhd atoms
         dash                         E....... Write DASH compatible fragmented MP4
         frag_discont                 E....... Signal that the next fragment is discontinuous from earlier ones
         delay_moov                   E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
         global_sidx                  E....... Write a global sidx index at the start of the file
         write_colr                   E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
         write_gama                   E....... Write deprecated gama atom
      -moov_size         <int>        E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
      -rtpflags          <flags>      E....... RTP muxer flags (default 0)
         latm                         E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
         rfc2190                      E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
         skip_rtcp                    E....... Don't send RTCP sender reports
         h264_mode0                   E....... Use mode 0 for H264 in RTP
         send_bye                     E....... Send RTCP BYE packets when finishing
      -skip_iods         <int>        E....... Skip writing iods atom. (from 0 to 1) (default 1)
      -iods_audio_profile <int>        E....... iods audio profile atom. (from -1 to 255) (default -1)
      -iods_video_profile <int>        E....... iods video profile atom. (from -1 to 255) (default -1)
      -frag_duration     <int>        E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
      -min_frag_duration <int>        E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
      -frag_size         <int>        E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
      -ism_lookahead     <int>        E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
      -video_track_timescale <int>        E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
      -brand             <string>     E....... Override major brand
      -use_editlist      <int>        E....... use edit list (from -1 to 1) (default -1)
      -fragment_index    <int>        E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
      -mov_gamma         <float>      E....... gamma value for gama atom (from 0 to 10) (default 0)
      -frag_interleave   <int>        E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
    
    RTP muxer AVOptions:
      -rtpflags          <flags>      E....... RTP muxer flags (default 0)
         latm                         E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
         rfc2190                      E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
         skip_rtcp                    E....... Don't send RTCP sender reports
         h264_mode0                   E....... Use mode 0 for H264 in RTP
         send_bye                     E....... Send RTCP BYE packets when finishing
      -payload_type      <int>        E....... Specify RTP payload type (from -1 to 127) (default -1)
      -ssrc              <int>        E....... Stream identifier (from INT_MIN to INT_MAX) (default 0)
      -cname             <string>     E....... CNAME to include in RTCP SR packets
      -seq               <int>        E....... Starting sequence number (from -1 to 65535) (default -1)
    
    RTSP muxer AVOptions:
      -initial_pause     <int>        .D...... do not start playing the stream immediately (from 0 to 1) (default 0)
      -rtpflags          <flags>      E....... RTP muxer flags (default 0)
         latm                         E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
         rfc2190                      E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
         skip_rtcp                    E....... Don't send RTCP sender reports
         h264_mode0                   E....... Use mode 0 for H264 in RTP
         send_bye                     E....... Send RTCP BYE packets when finishing
      -rtsp_transport    <flags>      ED...... set RTSP transport protocols (default 0)
         udp                          ED...... UDP
         tcp                          ED...... TCP
         udp_multicast                .D...... UDP multicast
         http                         .D...... HTTP tunneling
      -rtsp_flags        <flags>      .D...... set RTSP flags (default 0)
         filter_src                   .D...... only receive packets from the negotiated peer IP
         listen                       .D...... wait for incoming connections
         prefer_tcp                   ED...... try RTP via TCP first, if available
      -allowed_media_types <flags>      .D...... set media types to accept from the server (default F)
         video                        .D...... Video
         audio                        .D...... Audio
         data                         .D...... Data
         subtitle                     .D...... Subtitle
      -min_port          <int>        ED...... set minimum local UDP port (from 0 to 65535) (default 5000)
      -max_port          <int>        ED...... set maximum local UDP port (from 0 to 65535) (default 65000)
      -timeout           <int>        .D...... set maximum timeout (in seconds) to wait for incoming connections (-1 is infinite, imply flag listen) (from INT_MIN to INT_MAX) (default -1)
      -stimeout          <int>        .D...... set timeout (in microseconds) of socket TCP I/O operations (from INT_MIN to INT_MAX) (default 0)
      -reorder_queue_size <int>        .D...... set number of packets to buffer for handling of reordered packets (from -1 to INT_MAX) (default -1)
      -buffer_size       <int>        ED...... Underlying protocol send/receive buffer size (from -1 to INT_MAX) (default -1)
      -user-agent        <string>     .D...... override User-Agent header (default "Lavf56.40.101")
    
    segment muxer AVOptions:
      -reference_stream  <string>     E....... set reference stream (default "auto")
      -segment_format    <string>     E....... set container format used for the segments
      -segment_format_options <string>     E....... set list of options for the container format used for the segments
      -segment_list      <string>     E....... set the segment list filename
      -segment_header_filename <string>     E....... write a single file containing the header
      -segment_list_flags <flags>      E....... set flags affecting segment list generation (default 1)
         cache                        E....... allow list caching
         live                         E....... enable live-friendly list generation (useful for HLS)
      -segment_list_size <int>        E....... set the maximum number of playlist entries (from 0 to INT_MAX) (default 0)
      -segment_list_type <int>        E....... set the segment list type (from -1 to 4) (default -1)
         flat                         E....... flat format
         csv                          E....... csv format
         ext                          E....... extended format
         ffconcat                     E....... ffconcat format
         m3u8                         E....... M3U8 format
         hls                          E....... Apple HTTP Live Streaming compatible
      -segment_atclocktime <int>        E....... set segment to be cut at clocktime (from 0 to 1) (default 0)
      -segment_time      <string>     E....... set segment duration
      -segment_time_delta <duration>   E....... set approximation value used for the segment times (default 0)
      -segment_times     <string>     E....... set segment split time points
      -segment_frames    <string>     E....... set segment split frame numbers
      -segment_wrap      <int>        E....... set number after which the index wraps (from 0 to INT_MAX) (default 0)
      -segment_list_entry_prefix <string>     E....... set base url prefix for segments
      -segment_start_number <int>        E....... set the sequence number of the first segment (from 0 to INT_MAX) (default 0)
      -segment_wrap_number <int>        E....... set the number of wrap before the first segment (from 0 to INT_MAX) (default 0)
      -strftime          <int>        E....... set filename expansion with strftime at segment creation (from 0 to 1) (default 0)
      -break_non_keyframes <int>        E....... allow breaking segments on non-keyframes (from 0 to 1) (default 0)
      -individual_header_trailer <int>        E....... write header/trailer to each segment (from 0 to 1) (default 1)
      -write_header_trailer <int>        E....... write a header to the first segment and a trailer to the last one (from 0 to 1) (default 1)
      -reset_timestamps  <int>        E....... reset timestamps at the begin of each segment (from 0 to 1) (default 0)
      -initial_offset    <duration>   E....... set initial timestamp offset (default 0)
    
    stream_segment muxer AVOptions:
      -reference_stream  <string>     E....... set reference stream (default "auto")
      -segment_format    <string>     E....... set container format used for the segments
      -segment_format_options <string>     E....... set list of options for the container format used for the segments
      -segment_list      <string>     E....... set the segment list filename
      -segment_header_filename <string>     E....... write a single file containing the header
      -segment_list_flags <flags>      E....... set flags affecting segment list generation (default 1)
         cache                        E....... allow list caching
         live                         E....... enable live-friendly list generation (useful for HLS)
      -segment_list_size <int>        E....... set the maximum number of playlist entries (from 0 to INT_MAX) (default 0)
      -segment_list_type <int>        E....... set the segment list type (from -1 to 4) (default -1)
         flat                         E....... flat format
         csv                          E....... csv format
         ext                          E....... extended format
         ffconcat                     E....... ffconcat format
         m3u8                         E....... M3U8 format
         hls                          E....... Apple HTTP Live Streaming compatible
      -segment_atclocktime <int>        E....... set segment to be cut at clocktime (from 0 to 1) (default 0)
      -segment_time      <string>     E....... set segment duration
      -segment_time_delta <duration>   E....... set approximation value used for the segment times (default 0)
      -segment_times     <string>     E....... set segment split time points
      -segment_frames    <string>     E....... set segment split frame numbers
      -segment_wrap      <int>        E....... set number after which the index wraps (from 0 to INT_MAX) (default 0)
      -segment_list_entry_prefix <string>     E....... set base url prefix for segments
      -segment_start_number <int>        E....... set the sequence number of the first segment (from 0 to INT_MAX) (default 0)
      -segment_wrap_number <int>        E....... set the number of wrap before the first segment (from 0 to INT_MAX) (default 0)
      -strftime          <int>        E....... set filename expansion with strftime at segment creation (from 0 to 1) (default 0)
      -break_non_keyframes <int>        E....... allow breaking segments on non-keyframes (from 0 to 1) (default 0)
      -individual_header_trailer <int>        E....... write header/trailer to each segment (from 0 to 1) (default 1)
      -write_header_trailer <int>        E....... write a header to the first segment and a trailer to the last one (from 0 to 1) (default 1)
      -reset_timestamps  <int>        E....... reset timestamps at the begin of each segment (from 0 to 1) (default 0)
      -initial_offset    <duration>   E....... set initial timestamp offset (default 0)
    
    smooth streaming muxer AVOptions:
      -window_size       <int>        E....... number of fragments kept in the manifest (from 0 to INT_MAX) (default 0)
      -extra_window_size <int>        E....... number of fragments kept outside of the manifest before removing from disk (from 0 to INT_MAX) (default 5)
      -lookahead_count   <int>        E....... number of lookahead fragments (from 0 to INT_MAX) (default 2)
      -min_frag_duration <int64>      E....... minimum fragment duration (in microseconds) (from 0 to INT_MAX) (default 5e+06)
      -remove_at_exit    <int>        E....... remove all fragments when finished (from 0 to 1) (default 0)
    
    Ogg Speex muxer AVOptions:
      -serial_offset     <int>        E....... serial number offset (from 0 to INT_MAX) (default 0)
      -oggpagesize       <int>        E....... Set preferred Ogg page size. (from 0 to 65025) (default 0)
      -pagesize          <int>        E....... preferred page size in bytes (deprecated) (from 0 to 65025) (default 0)
      -page_duration     <int64>      E....... preferred page duration, in microseconds (from 0 to I64_MAX) (default 1e+06)
    
    spdif AVOptions:
      -spdif_flags       <flags>      E....... IEC 61937 encapsulation flags (default 0)
         be                           E....... output in big-endian format (for use as s16be)
      -dtshd_rate        <int>        E....... mux complete DTS frames in HD mode at the specified IEC958 rate (in Hz, default 0=disabled) (from 0 to 768000) (default 0)
      -dtshd_fallback_time <int>        E....... min secs to strip HD for after an overflow (-1: till the end, default 60) (from -1 to INT_MAX) (default 60)
    
    tg2 muxer AVOptions:
      -movflags          <flags>      E....... MOV muxer flags (default 0)
         rtphint                      E....... Add RTP hint tracks
         empty_moov                   E....... Make the initial moov atom empty
         frag_keyframe                E....... Fragment at video keyframes
         separate_moof                E....... Write separate moof/mdat atoms for each track
         frag_custom                  E....... Flush fragments on caller requests
         isml                         E....... Create a live smooth streaming feed (for pushing to a publishing point)
         faststart                    E....... Run a second pass to put the index (moov atom) at the beginning of the file
         omit_tfhd_offset              E....... Omit the base data offset in tfhd atoms
         disable_chpl                 E....... Disable Nero chapter atom
         default_base_moof              E....... Set the default-base-is-moof flag in tfhd atoms
         dash                         E....... Write DASH compatible fragmented MP4
         frag_discont                 E....... Signal that the next fragment is discontinuous from earlier ones
         delay_moov                   E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
         global_sidx                  E....... Write a global sidx index at the start of the file
         write_colr                   E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
         write_gama                   E....... Write deprecated gama atom
      -moov_size         <int>        E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
      -rtpflags          <flags>      E....... RTP muxer flags (default 0)
         latm                         E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
         rfc2190                      E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
         skip_rtcp                    E....... Don't send RTCP sender reports
         h264_mode0                   E....... Use mode 0 for H264 in RTP
         send_bye                     E....... Send RTCP BYE packets when finishing
      -skip_iods         <int>        E....... Skip writing iods atom. (from 0 to 1) (default 1)
      -iods_audio_profile <int>        E....... iods audio profile atom. (from -1 to 255) (default -1)
      -iods_video_profile <int>        E....... iods video profile atom. (from -1 to 255) (default -1)
      -frag_duration     <int>        E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
      -min_frag_duration <int>        E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
      -frag_size         <int>        E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
      -ism_lookahead     <int>        E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
      -video_track_timescale <int>        E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
      -brand             <string>     E....... Override major brand
      -use_editlist      <int>        E....... use edit list (from -1 to 1) (default -1)
      -fragment_index    <int>        E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
      -mov_gamma         <float>      E....... gamma value for gama atom (from 0 to 10) (default 0)
      -frag_interleave   <int>        E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
    
    tgp muxer AVOptions:
      -movflags          <flags>      E....... MOV muxer flags (default 0)
         rtphint                      E....... Add RTP hint tracks
         empty_moov                   E....... Make the initial moov atom empty
         frag_keyframe                E....... Fragment at video keyframes
         separate_moof                E....... Write separate moof/mdat atoms for each track
         frag_custom                  E....... Flush fragments on caller requests
         isml                         E....... Create a live smooth streaming feed (for pushing to a publishing point)
         faststart                    E....... Run a second pass to put the index (moov atom) at the beginning of the file
         omit_tfhd_offset              E....... Omit the base data offset in tfhd atoms
         disable_chpl                 E....... Disable Nero chapter atom
         default_base_moof              E....... Set the default-base-is-moof flag in tfhd atoms
         dash                         E....... Write DASH compatible fragmented MP4
         frag_discont                 E....... Signal that the next fragment is discontinuous from earlier ones
         delay_moov                   E....... Delay writing the initial moov until the first fragment is cut, or until the first fragment flush
         global_sidx                  E....... Write a global sidx index at the start of the file
         write_colr                   E....... Write colr atom (Experimental, may be renamed or changed, do not use from scripts)
         write_gama                   E....... Write deprecated gama atom
      -moov_size         <int>        E....... maximum moov size so it can be placed at the begin (from 0 to INT_MAX) (default 0)
      -rtpflags          <flags>      E....... RTP muxer flags (default 0)
         latm                         E....... Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC
         rfc2190                      E....... Use RFC 2190 packetization instead of RFC 4629 for H.263
         skip_rtcp                    E....... Don't send RTCP sender reports
         h264_mode0                   E....... Use mode 0 for H264 in RTP
         send_bye                     E....... Send RTCP BYE packets when finishing
      -skip_iods         <int>        E....... Skip writing iods atom. (from 0 to 1) (default 1)
      -iods_audio_profile <int>        E....... iods audio profile atom. (from -1 to 255) (default -1)
      -iods_video_profile <int>        E....... iods video profile atom. (from -1 to 255) (default -1)
      -frag_duration     <int>        E....... Maximum fragment duration (from 0 to INT_MAX) (default 0)
      -min_frag_duration <int>        E....... Minimum fragment duration (from 0 to INT_MAX) (default 0)
      -frag_size         <int>        E....... Maximum fragment size (from 0 to INT_MAX) (default 0)
      -ism_lookahead     <int>        E....... Number of lookahead entries for ISM files (from 0 to INT_MAX) (default 0)
      -video_track_timescale <int>        E....... set timescale of all video tracks (from 0 to INT_MAX) (default 0)
      -brand             <string>     E....... Override major brand
      -use_editlist      <int>        E....... use edit list (from -1 to 1) (default -1)
      -fragment_index    <int>        E....... Fragment number of the next fragment (from 1 to INT_MAX) (default 1)
      -mov_gamma         <float>      E....... gamma value for gama atom (from 0 to 10) (default 0)
      -frag_interleave   <int>        E....... Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead) (from 0 to INT_MAX) (default 0)
    
    WAV muxer AVOptions:
      -write_bext        <int>        E....... Write BEXT chunk. (from 0 to 1) (default 0)
      -write_peak        <int>        E....... Write Peak Envelope chunk. (from 0 to 2) (default 0)
         off                          E....... Do not write peak chunk.
         on                           E....... Append peak chunk after wav data.
         only                         E....... Write only peak chunk, omit wav data.
      -rf64              <int>        E....... Use RF64 header rather than RIFF for large files. (from -1 to 1) (default 0)
         auto                         E....... Write RF64 header if file grows large enough.
         always                       E....... Always write RF64 header regardless of file size.
         never                        E....... Never write RF64 header regardless of file size.
      -peak_block_size   <int>        E....... Number of audio samples used to generate each peak frame. (from 0 to 65536) (default 256)
      -peak_format       <int>        E....... The format of the peak envelope data (1: uint8, 2: uint16). (from 1 to 2) (default 2)
      -peak_ppv          <int>        E....... Number of peak points per peak value (1 or 2). (from 1 to 2) (default 2)
    
    webm muxer AVOptions:
      -reserve_index_space <int>        E....... Reserve a given amount of space (in bytes) at the beginning of the file for the index (cues). (from 0 to INT_MAX) (default 0)
      -cluster_size_limit <int>        E....... Store at most the provided amount of bytes in a cluster.  (from -1 to INT_MAX) (default -1)
      -cluster_time_limit <int64>      E....... Store at most the provided number of milliseconds in a cluster. (from -1 to I64_MAX) (default -1)
      -dash              <int>        E....... Create a WebM file conforming to WebM DASH specification (from 0 to 1) (default 0)
      -dash_track_number <int>        E....... Track number for the DASH stream (from 0 to 127) (default 1)
      -live              <int>        E....... Write files assuming it is a live stream. (from 0 to 1) (default 0)
      -allow_raw_vfw     <int>        E....... allow RAW VFW mode (from 0 to 1) (default 0)
    
    WebM DASH Manifest muxer AVOptions:
      -adaptation_sets   <string>     E....... Adaptation sets. Syntax: id=0,streams=0,1,2 id=1,streams=3,4 and so on
      -debug_mode        <int>        E....... [private option - users should never set this]. set this to 1 to create deterministic output (from 0 to 1) (default 0)
      -live              <int>        E....... set this to 1 to create a live stream manifest (from 0 to 1) (default 0)
      -chunk_start_index <int>        E....... start index of the chunk (from 0 to INT_MAX) (default 0)
      -chunk_duration_ms <int>        E....... duration of each chunk (in milliseconds) (from 0 to INT_MAX) (default 1000)
      -utc_timing_url    <string>     E....... URL of the page that will return the UTC timestamp in ISO format
      -time_shift_buffer_depth <double>     E....... Smallest time (in seconds) shifting buffer for which any Representation is guaranteed to be available. (from 1 to DBL_MAX) (default 60)
      -minimum_update_period <int>        E....... Minimum Update Period (in seconds) of the manifest. (from 0 to INT_MAX) (default 0)
    
    WebM Chunk Muxer AVOptions:
      -chunk_start_index <int>        E....... start index of the chunk (from 0 to INT_MAX) (default 0)
      -header            <string>     E....... filename of the header where the initialization data will be written
      -audio_chunk_duration <int>        E....... duration of each chunk in milliseconds (from 0 to INT_MAX) (default 5000)
    
    WebP muxer AVOptions:
      -loop              <int>        E....... Number of times to loop the output: 0 - infinite loop (from 0 to 65535) (default 1)
    
    SWScaler AVOptions:
      -sws_flags         <flags>      E..V.... scaler flags (default 4)
         fast_bilinear                E..V.... fast bilinear
         bilinear                     E..V.... bilinear
         bicubic                      E..V.... bicubic
         experimental                 E..V.... experimental
         neighbor                     E..V.... nearest neighbor
         area                         E..V.... averaging area
         bicublin                     E..V.... luma bicubic, chroma bilinear
         gauss                        E..V.... gaussian
         sinc                         E..V.... sinc
         lanczos                      E..V.... lanczos
         spline                       E..V.... natural bicubic spline
         print_info                   E..V.... print info
         accurate_rnd                 E..V.... accurate rounding
         full_chroma_int              E..V.... full chroma interpolation
         full_chroma_inp              E..V.... full chroma input
         bitexact                     E..V.... 
         error_diffusion              E..V.... error diffusion dither
      -srcw              <int>        E..V.... source width (from 1 to INT_MAX) (default 16)
      -srch              <int>        E..V.... source height (from 1 to INT_MAX) (default 16)
      -dstw              <int>        E..V.... destination width (from 1 to INT_MAX) (default 16)
      -dsth              <int>        E..V.... destination height (from 1 to INT_MAX) (default 16)
      -src_format        <int>        E..V.... source format (from 0 to 339) (default 0)
      -dst_format        <int>        E..V.... destination format (from 0 to 339) (default 0)
      -src_range         <int>        E..V.... source range (from 0 to 1) (default 0)
      -dst_range         <int>        E..V.... destination range (from 0 to 1) (default 0)
      -param0            <double>     E..V.... scaler param 0 (from INT_MIN to INT_MAX) (default 123456)
      -param1            <double>     E..V.... scaler param 1 (from INT_MIN to INT_MAX) (default 123456)
      -src_v_chr_pos     <int>        E..V.... source vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
      -src_h_chr_pos     <int>        E..V.... source horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
      -dst_v_chr_pos     <int>        E..V.... destination vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
      -dst_h_chr_pos     <int>        E..V.... destination horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
      -sws_dither        <int>        E..V.... set dithering algorithm (from 0 to 6) (default 1)
         auto                         E..V.... leave choice to sws
         bayer                        E..V.... bayer dither
         ed                           E..V.... error diffusion
         a_dither                     E..V.... arithmetic addition dither
         x_dither                     E..V.... arithmetic xor dither
      -gamma             <int>        E..V.... gamma correct scaling (from 0 to INT_MAX) (default 0)
         true                         E..V.... enable
         false                        E..V.... disable
      -alphablend        <int>        E..V.... mode for alpha -> non alpha (from 0 to 2) (default 0)
         none                         E..V.... ignore alpha
         uniform_color                E..V.... blend onto a uniform color
         checkerboard                 E..V.... blend onto a checkerboard
    
    SWResampler AVOptions:
      -ich               <int>        ....A... set input channel count (from 0 to 64) (default 0)
      -in_channel_count  <int>        ....A... set input channel count (from 0 to 64) (default 0)
      -och               <int>        ....A... set output channel count (from 0 to 64) (default 0)
      -out_channel_count <int>        ....A... set output channel count (from 0 to 64) (default 0)
      -uch               <int>        ....A... set used channel count (from 0 to 64) (default 0)
      -used_channel_count <int>        ....A... set used channel count (from 0 to 64) (default 0)
      -isr               <int>        ....A... set input sample rate (from 0 to INT_MAX) (default 0)
      -in_sample_rate    <int>        ....A... set input sample rate (from 0 to INT_MAX) (default 0)
      -osr               <int>        ....A... set output sample rate (from 0 to INT_MAX) (default 0)
      -out_sample_rate   <int>        ....A... set output sample rate (from 0 to INT_MAX) (default 0)
      -isf               <sample_fmt> ....A... set input sample format (default none)
      -in_sample_fmt     <sample_fmt> ....A... set input sample format (default none)
      -osf               <sample_fmt> ....A... set output sample format (default none)
      -out_sample_fmt    <sample_fmt> ....A... set output sample format (default none)
      -tsf               <sample_fmt> ....A... set internal sample format (default none)
      -internal_sample_fmt <sample_fmt> ....A... set internal sample format (default none)
      -icl               <channel_layout> ....A... set input channel layout (default 0x0)
      -in_channel_layout <channel_layout> ....A... set input channel layout (default 0x0)
      -ocl               <channel_layout> ....A... set output channel layout (default 0x0)
      -out_channel_layout <channel_layout> ....A... set output channel layout (default 0x0)
      -clev              <float>      ....A... set center mix level (from -32 to 32) (default 0.707107)
      -center_mix_level  <float>      ....A... set center mix level (from -32 to 32) (default 0.707107)
      -slev              <float>      ....A... set surround mix level (from -32 to 32) (default 0.707107)
      -surround_mix_level <float>      ....A... set surround mix Level (from -32 to 32) (default 0.707107)
      -lfe_mix_level     <float>      ....A... set LFE mix level (from -32 to 32) (default 0)
      -rmvol             <float>      ....A... set rematrix volume (from -1000 to 1000) (default 1)
      -rematrix_volume   <float>      ....A... set rematrix volume (from -1000 to 1000) (default 1)
      -rematrix_maxval   <float>      ....A... set rematrix maxval (from 0 to 1000) (default 0)
      -flags             <flags>      ....A... set flags (default 0)
         res                          ....A... force resampling
      -swr_flags         <flags>      ....A... set flags (default 0)
         res                          ....A... force resampling
      -dither_scale      <float>      ....A... set dither scale (from 0 to INT_MAX) (default 1)
      -dither_method     <int>        ....A... set dither method (from 0 to 71) (default 0)
         rectangular                  ....A... select rectangular dither
         triangular                   ....A... select triangular dither
         triangular_hp                ....A... select triangular dither with high pass
         lipshitz                     ....A... select lipshitz noise shaping dither
         shibata                      ....A... select shibata noise shaping dither
         low_shibata                  ....A... select low shibata noise shaping dither
         high_shibata                 ....A... select high shibata noise shaping dither
         f_weighted                   ....A... select f-weighted noise shaping dither
         modified_e_weighted              ....A... select modified-e-weighted noise shaping dither
         improved_e_weighted              ....A... select improved-e-weighted noise shaping dither
      -filter_size       <int>        ....A... set swr resampling filter size (from 0 to INT_MAX) (default 32)
      -phase_shift       <int>        ....A... set swr resampling phase shift (from 0 to 24) (default 10)
      -linear_interp     <int>        ....A... enable linear interpolation (from 0 to 1) (default 0)
      -cutoff            <double>     ....A... set cutoff frequency ratio (from 0 to 1) (default 0)
      -resample_cutoff   <double>     ....A... set cutoff frequency ratio (from 0 to 1) (default 0)
      -resampler         <int>        ....A... set resampling Engine (from 0 to 1) (default 0)
         swr                          ....A... select SW Resampler
         soxr                         ....A... select SoX Resampler
      -precision         <double>     ....A... set soxr resampling precision (in bits) (from 15 to 33) (default 20)
      -cheby             <int>        ....A... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (from 0 to 1) (default 0)
      -min_comp          <float>      ....A... set minimum difference between timestamps and audio data (in seconds) below which no timestamp compensation of either kind is applied (from 0 to FLT_MAX) (default FLT_MAX)
      -min_hard_comp     <float>      ....A... set minimum difference between timestamps and audio data (in seconds) to trigger padding/trimming the data. (from 0 to INT_MAX) (default 0.1)
      -comp_duration     <float>      ....A... set duration (in seconds) over which data is stretched/squeezed to make it match the timestamps. (from 0 to INT_MAX) (default 1)
      -max_soft_comp     <float>      ....A... set maximum factor by which data is stretched/squeezed to make it match the timestamps. (from INT_MIN to INT_MAX) (default 0)
      -async             <float>      ....A... simplified 1 parameter audio timestamp matching, 0(disabled), 1(filling and trimming), >1(maximum stretch/squeeze in samples per second) (from INT_MIN to INT_MAX) (default 0)
      -first_pts         <int64>      ....A... Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX) (default I64_MIN)
      -matrix_encoding   <int>        ....A... set matrixed stereo encoding (from 0 to 6) (default 0)
         none                         ....A... select none
         dolby                        ....A... select Dolby
         dplii                        ....A... select Dolby Pro Logic II
      -filter_type       <int>        ....A... select swr filter type (from 0 to 2) (default 2)
         cubic                        ....A... select cubic
         blackman_nuttall              ....A... select Blackman Nuttall Windowed Sinc
         kaiser                       ....A... select Kaiser Windowed Sinc
      -kaiser_beta       <int>        ....A... set swr Kaiser Window Beta (from 2 to 16) (default 9)
      -output_sample_bits <int>        ....A... set swr number of output sample bits (from 0 to 64) (default 0)
    
    AVFilter AVOptions:
      thread_type       <flags>      ..F..... Allowed thread types (default 1)
      enable            <string>     ..F..... set enable expression
    
    acrossfade AVOptions:
      nb_samples        <int>        ..F.A... set number of samples for cross fade duration (from 1 to 2.14748e+08) (default 44100)
      ns                <int>        ..F.A... set number of samples for cross fade duration (from 1 to 2.14748e+08) (default 44100)
      duration          <duration>   ..F.A... set cross fade duration (default 0)
      d                 <duration>   ..F.A... set cross fade duration (default 0)
      overlap           <int>        ..F.A... overlap 1st stream end with 2nd stream start (from 0 to 1) (default 1)
      o                 <int>        ..F.A... overlap 1st stream end with 2nd stream start (from 0 to 1) (default 1)
      curve1            <int>        ..F.A... set fade curve type for 1st stream (from 0 to 15) (default 0)
         tri                          ..F.A... linear slope
         qsin                         ..F.A... quarter of sine wave
         esin                         ..F.A... exponential sine wave
         hsin                         ..F.A... half of sine wave
         log                          ..F.A... logarithmic
         ipar                         ..F.A... inverted parabola
         qua                          ..F.A... quadratic
         cub                          ..F.A... cubic
         squ                          ..F.A... square root
         cbr                          ..F.A... cubic root
         par                          ..F.A... parabola
         exp                          ..F.A... exponential
         iqsin                        ..F.A... inverted quarter of sine wave
         ihsin                        ..F.A... inverted half of sine wave
         dese                         ..F.A... double-exponential seat
         desi                         ..F.A... double-exponential sigmoid
      c1                <int>        ..F.A... set fade curve type for 1st stream (from 0 to 15) (default 0)
         tri                          ..F.A... linear slope
         qsin                         ..F.A... quarter of sine wave
         esin                         ..F.A... exponential sine wave
         hsin                         ..F.A... half of sine wave
         log                          ..F.A... logarithmic
         ipar                         ..F.A... inverted parabola
         qua                          ..F.A... quadratic
         cub                          ..F.A... cubic
         squ                          ..F.A... square root
         cbr                          ..F.A... cubic root
         par                          ..F.A... parabola
         exp                          ..F.A... exponential
         iqsin                        ..F.A... inverted quarter of sine wave
         ihsin                        ..F.A... inverted half of sine wave
         dese                         ..F.A... double-exponential seat
         desi                         ..F.A... double-exponential sigmoid
      curve2            <int>        ..F.A... set fade curve type for 2nd stream (from 0 to 15) (default 0)
         tri                          ..F.A... linear slope
         qsin                         ..F.A... quarter of sine wave
         esin                         ..F.A... exponential sine wave
         hsin                         ..F.A... half of sine wave
         log                          ..F.A... logarithmic
         ipar                         ..F.A... inverted parabola
         qua                          ..F.A... quadratic
         cub                          ..F.A... cubic
         squ                          ..F.A... square root
         cbr                          ..F.A... cubic root
         par                          ..F.A... parabola
         exp                          ..F.A... exponential
         iqsin                        ..F.A... inverted quarter of sine wave
         ihsin                        ..F.A... inverted half of sine wave
         dese                         ..F.A... double-exponential seat
         desi                         ..F.A... double-exponential sigmoid
      c2                <int>        ..F.A... set fade curve type for 2nd stream (from 0 to 15) (default 0)
         tri                          ..F.A... linear slope
         qsin                         ..F.A... quarter of sine wave
         esin                         ..F.A... exponential sine wave
         hsin                         ..F.A... half of sine wave
         log                          ..F.A... logarithmic
         ipar                         ..F.A... inverted parabola
         qua                          ..F.A... quadratic
         cub                          ..F.A... cubic
         squ                          ..F.A... square root
         cbr                          ..F.A... cubic root
         par                          ..F.A... parabola
         exp                          ..F.A... exponential
         iqsin                        ..F.A... inverted quarter of sine wave
         ihsin                        ..F.A... inverted half of sine wave
         dese                         ..F.A... double-exponential seat
         desi                         ..F.A... double-exponential sigmoid
    
    adelay AVOptions:
      delays            <string>     ..F.A... set list of delays for each channel
    
    aecho AVOptions:
      in_gain           <float>      ..F.A... set signal input gain (from 0 to 1) (default 0.6)
      out_gain          <float>      ..F.A... set signal output gain (from 0 to 1) (default 0.3)
      delays            <string>     ..F.A... set list of signal delays (default "1000")
      decays            <string>     ..F.A... set list of signal decays (default "0.5")
    
    aeval AVOptions:
      exprs             <string>     ..F.A... set the '|'-separated list of channels expressions
      channel_layout    <string>     ..F.A... set channel layout
      c                 <string>     ..F.A... set channel layout
    
    afade AVOptions:
      type              <int>        ..F.A... set the fade direction (from 0 to 1) (default 0)
         in                           ..F.A... fade-in
         out                          ..F.A... fade-out
      t                 <int>        ..F.A... set the fade direction (from 0 to 1) (default 0)
         in                           ..F.A... fade-in
         out                          ..F.A... fade-out
      start_sample      <int64>      ..F.A... set number of first sample to start fading (from 0 to I64_MAX) (default 0)
      ss                <int64>      ..F.A... set number of first sample to start fading (from 0 to I64_MAX) (default 0)
      nb_samples        <int>        ..F.A... set number of samples for fade duration (from 1 to INT_MAX) (default 44100)
      ns                <int>        ..F.A... set number of samples for fade duration (from 1 to INT_MAX) (default 44100)
      start_time        <duration>   ..F.A... set time to start fading (default 0)
      st                <duration>   ..F.A... set time to start fading (default 0)
      duration          <duration>   ..F.A... set fade duration (default 0)
      d                 <duration>   ..F.A... set fade duration (default 0)
      curve             <int>        ..F.A... set fade curve type (from 0 to 15) (default 0)
         tri                          ..F.A... linear slope
         qsin                         ..F.A... quarter of sine wave
         esin                         ..F.A... exponential sine wave
         hsin                         ..F.A... half of sine wave
         log                          ..F.A... logarithmic
         ipar                         ..F.A... inverted parabola
         qua                          ..F.A... quadratic
         cub                          ..F.A... cubic
         squ                          ..F.A... square root
         cbr                          ..F.A... cubic root
         par                          ..F.A... parabola
         exp                          ..F.A... exponential
         iqsin                        ..F.A... inverted quarter of sine wave
         ihsin                        ..F.A... inverted half of sine wave
         dese                         ..F.A... double-exponential seat
         desi                         ..F.A... double-exponential sigmoid
      c                 <int>        ..F.A... set fade curve type (from 0 to 15) (default 0)
         tri                          ..F.A... linear slope
         qsin                         ..F.A... quarter of sine wave
         esin                         ..F.A... exponential sine wave
         hsin                         ..F.A... half of sine wave
         log                          ..F.A... logarithmic
         ipar                         ..F.A... inverted parabola
         qua                          ..F.A... quadratic
         cub                          ..F.A... cubic
         squ                          ..F.A... square root
         cbr                          ..F.A... cubic root
         par                          ..F.A... parabola
         exp                          ..F.A... exponential
         iqsin                        ..F.A... inverted quarter of sine wave
         ihsin                        ..F.A... inverted half of sine wave
         dese                         ..F.A... double-exponential seat
         desi                         ..F.A... double-exponential sigmoid
    
    aformat AVOptions:
      sample_fmts       <string>     ..F.A... A comma-separated list of sample formats.
      sample_rates      <string>     ..F.A... A comma-separated list of sample rates.
      channel_layouts   <string>     ..F.A... A comma-separated list of channel layouts.
    
    ainterleave AVOptions:
      nb_inputs         <int>        ..F.A... set number of inputs (from 1 to INT_MAX) (default 2)
      n                 <int>        ..F.A... set number of inputs (from 1 to INT_MAX) (default 2)
    
    allpass AVOptions:
      frequency         <double>     ..F.A... set central frequency (from 0 to 999999) (default 3000)
      f                 <double>     ..F.A... set central frequency (from 0 to 999999) (default 3000)
      width_type        <int>        ..F.A... set filter-width type (from 1 to 4) (default 1)
         h                            ..F.A... Hz
         q                            ..F.A... Q-Factor
         o                            ..F.A... octave
         s                            ..F.A... slope
      width             <double>     ..F.A... set filter-width (from 0 to 99999) (default 707.1)
      w                 <double>     ..F.A... set filter-width (from 0 to 99999) (default 707.1)
    
    amerge AVOptions:
      inputs            <int>        ..F.A... specify the number of inputs (from 2 to 64) (default 2)
    
    amix AVOptions:
      inputs            <int>        ..F.A... Number of inputs. (from 1 to 32) (default 2)
      duration          <int>        ..F.A... How to determine the end-of-stream. (from 0 to 2) (default 0)
         longest                      ..F.A... Duration of longest input.
         shortest                     ..F.A... Duration of shortest input.
         first                        ..F.A... Duration of first input.
      dropout_transition <float>      ..F.A... Transition time, in seconds, for volume renormalization when an input stream ends. (from 0 to INT_MAX) (default 2)
    
    apad AVOptions:
      packet_size       <int>        ..F.A... set silence packet size (from 0 to INT_MAX) (default 4096)
      pad_len           <int64>      ..F.A... set number of samples of silence to add (from -1 to I64_MAX) (default -1)
      whole_len         <int64>      ..F.A... set minimum target number of samples in the audio stream (from -1 to I64_MAX) (default -1)
    
    aperms AVOptions:
      mode              <int>        ..FVA... select permissions mode (from 0 to 4) (default 0)
         none                         ..FVA... do nothing
         ro                           ..FVA... set all output frames read-only
         rw                           ..FVA... set all output frames writable
         toggle                       ..FVA... switch permissions
         random                       ..FVA... set permissions randomly
      seed              <int64>      ..FVA... set the seed for the random mode (from -1 to UINT32_MAX) (default -1)
    
    aphaser AVOptions:
      in_gain           <double>     ..F.A... set input gain (from 0 to 1) (default 0.4)
      out_gain          <double>     ..F.A... set output gain (from 0 to 1e+09) (default 0.74)
      delay             <double>     ..F.A... set delay in milliseconds (from 0 to 5) (default 3)
      decay             <double>     ..F.A... set decay (from 0 to 0.99) (default 0.4)
      speed             <double>     ..F.A... set modulation speed (from 0.1 to 2) (default 0.5)
      type              <int>        ..F.A... set modulation type (from 0 to 1) (default 1)
         triangular                   ..F.A...
         t                            ..F.A...
         sinusoidal                   ..F.A...
         s                            ..F.A...
    
    aresample AVOptions:
      sample_rate       <int>        ..F.A... (from 0 to INT_MAX) (default 0)
    
    SWResampler AVOptions:
      -ich               <int>        ....A... set input channel count (from 0 to 64) (default 0)
      -in_channel_count  <int>        ....A... set input channel count (from 0 to 64) (default 0)
      -och               <int>        ....A... set output channel count (from 0 to 64) (default 0)
      -out_channel_count <int>        ....A... set output channel count (from 0 to 64) (default 0)
      -uch               <int>        ....A... set used channel count (from 0 to 64) (default 0)
      -used_channel_count <int>        ....A... set used channel count (from 0 to 64) (default 0)
      -isr               <int>        ....A... set input sample rate (from 0 to INT_MAX) (default 0)
      -in_sample_rate    <int>        ....A... set input sample rate (from 0 to INT_MAX) (default 0)
      -osr               <int>        ....A... set output sample rate (from 0 to INT_MAX) (default 0)
      -out_sample_rate   <int>        ....A... set output sample rate (from 0 to INT_MAX) (default 0)
      -isf               <sample_fmt> ....A... set input sample format (default none)
      -in_sample_fmt     <sample_fmt> ....A... set input sample format (default none)
      -osf               <sample_fmt> ....A... set output sample format (default none)
      -out_sample_fmt    <sample_fmt> ....A... set output sample format (default none)
      -tsf               <sample_fmt> ....A... set internal sample format (default none)
      -internal_sample_fmt <sample_fmt> ....A... set internal sample format (default none)
      -icl               <channel_layout> ....A... set input channel layout (default 0x0)
      -in_channel_layout <channel_layout> ....A... set input channel layout (default 0x0)
      -ocl               <channel_layout> ....A... set output channel layout (default 0x0)
      -out_channel_layout <channel_layout> ....A... set output channel layout (default 0x0)
      -clev              <float>      ....A... set center mix level (from -32 to 32) (default 0.707107)
      -center_mix_level  <float>      ....A... set center mix level (from -32 to 32) (default 0.707107)
      -slev              <float>      ....A... set surround mix level (from -32 to 32) (default 0.707107)
      -surround_mix_level <float>      ....A... set surround mix Level (from -32 to 32) (default 0.707107)
      -lfe_mix_level     <float>      ....A... set LFE mix level (from -32 to 32) (default 0)
      -rmvol             <float>      ....A... set rematrix volume (from -1000 to 1000) (default 1)
      -rematrix_volume   <float>      ....A... set rematrix volume (from -1000 to 1000) (default 1)
      -rematrix_maxval   <float>      ....A... set rematrix maxval (from 0 to 1000) (default 0)
      -flags             <flags>      ....A... set flags (default 0)
         res                          ....A... force resampling
      -swr_flags         <flags>      ....A... set flags (default 0)
         res                          ....A... force resampling
      -dither_scale      <float>      ....A... set dither scale (from 0 to INT_MAX) (default 1)
      -dither_method     <int>        ....A... set dither method (from 0 to 71) (default 0)
         rectangular                  ....A... select rectangular dither
         triangular                   ....A... select triangular dither
         triangular_hp                ....A... select triangular dither with high pass
         lipshitz                     ....A... select lipshitz noise shaping dither
         shibata                      ....A... select shibata noise shaping dither
         low_shibata                  ....A... select low shibata noise shaping dither
         high_shibata                 ....A... select high shibata noise shaping dither
         f_weighted                   ....A... select f-weighted noise shaping dither
         modified_e_weighted              ....A... select modified-e-weighted noise shaping dither
         improved_e_weighted              ....A... select improved-e-weighted noise shaping dither
      -filter_size       <int>        ....A... set swr resampling filter size (from 0 to INT_MAX) (default 32)
      -phase_shift       <int>        ....A... set swr resampling phase shift (from 0 to 24) (default 10)
      -linear_interp     <int>        ....A... enable linear interpolation (from 0 to 1) (default 0)
      -cutoff            <double>     ....A... set cutoff frequency ratio (from 0 to 1) (default 0)
      -resample_cutoff   <double>     ....A... set cutoff frequency ratio (from 0 to 1) (default 0)
      -resampler         <int>        ....A... set resampling Engine (from 0 to 1) (default 0)
         swr                          ....A... select SW Resampler
         soxr                         ....A... select SoX Resampler
      -precision         <double>     ....A... set soxr resampling precision (in bits) (from 15 to 33) (default 20)
      -cheby             <int>        ....A... enable soxr Chebyshev passband & higher-precision irrational ratio approximation (from 0 to 1) (default 0)
      -min_comp          <float>      ....A... set minimum difference between timestamps and audio data (in seconds) below which no timestamp compensation of either kind is applied (from 0 to FLT_MAX) (default FLT_MAX)
      -min_hard_comp     <float>      ....A... set minimum difference between timestamps and audio data (in seconds) to trigger padding/trimming the data. (from 0 to INT_MAX) (default 0.1)
      -comp_duration     <float>      ....A... set duration (in seconds) over which data is stretched/squeezed to make it match the timestamps. (from 0 to INT_MAX) (default 1)
      -max_soft_comp     <float>      ....A... set maximum factor by which data is stretched/squeezed to make it match the timestamps. (from INT_MIN to INT_MAX) (default 0)
      -async             <float>      ....A... simplified 1 parameter audio timestamp matching, 0(disabled), 1(filling and trimming), >1(maximum stretch/squeeze in samples per second) (from INT_MIN to INT_MAX) (default 0)
      -first_pts         <int64>      ....A... Assume the first pts should be this value (in samples). (from I64_MIN to I64_MAX) (default I64_MIN)
      -matrix_encoding   <int>        ....A... set matrixed stereo encoding (from 0 to 6) (default 0)
         none                         ....A... select none
         dolby                        ....A... select Dolby
         dplii                        ....A... select Dolby Pro Logic II
      -filter_type       <int>        ....A... select swr filter type (from 0 to 2) (default 2)
         cubic                        ....A... select cubic
         blackman_nuttall              ....A... select Blackman Nuttall Windowed Sinc
         kaiser                       ....A... select Kaiser Windowed Sinc
      -kaiser_beta       <int>        ....A... set swr Kaiser Window Beta (from 2 to 16) (default 9)
      -output_sample_bits <int>        ....A... set swr number of output sample bits (from 0 to 64) (default 0)
    
    aselect AVOptions:
      expr              <string>     ..F.A... set an expression to use for selecting frames (default "1")
      e                 <string>     ..F.A... set an expression to use for selecting frames (default "1")
      outputs           <int>        ..F.A... set the number of outputs (from 1 to INT_MAX) (default 1)
      n                 <int>        ..F.A... set the number of outputs (from 1 to INT_MAX) (default 1)
    
    asendcmd AVOptions:
      commands          <string>     ..FVA... set commands
      c                 <string>     ..FVA... set commands
      filename          <string>     ..FVA... set commands file
      f                 <string>     ..FVA... set commands file
    
    asetnsamples AVOptions:
      nb_out_samples    <int>        ..F.A... set the number of per-frame output samples (from 1 to INT_MAX) (default 1024)
      n                 <int>        ..F.A... set the number of per-frame output samples (from 1 to INT_MAX) (default 1024)
      pad               <int>        ..F.A... pad last frame with zeros (from 0 to 1) (default 1)
      p                 <int>        ..F.A... pad last frame with zeros (from 0 to 1) (default 1)
    
    asetpts AVOptions:
      expr              <string>     ..FVA... Expression determining the frame timestamp (default "PTS")
    
    asetrate AVOptions:
      sample_rate       <int>        ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100)
      r                 <int>        ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100)
    
    asettb AVOptions:
      expr              <string>     ..F.A... set expression determining the output timebase (default "intb")
      tb                <string>     ..F.A... set expression determining the output timebase (default "intb")
    
    asplit AVOptions:
      -outputs           <int>        ...VA... set number of outputs (from 1 to INT_MAX) (default 2)
    
    astats AVOptions:
      length            <double>     ..F.A... set the window length (from 0.01 to 10) (default 0.05)
      metadata          <int>        ..F.A... inject metadata in the filtergraph (from 0 to 1) (default 0)
      reset             <int>        ..F.A... recalculate stats after this many frames (from 0 to INT_MAX) (default 0)
    
    astreamsync AVOptions:
      expr              <string>     ..F.A... set stream selection expression (default "t1-t2")
      e                 <string>     ..F.A... set stream selection expression (default "t1-t2")
    
    atempo AVOptions:
      tempo             <double>     ..F.A... set tempo scale factor (from 0.5 to 2) (default 1)
    
    atrim AVOptions:
      starti            <duration>   ..F.A... Timestamp of the first frame that should be passed (default I64_MAX)
      endi              <duration>   ..F.A... Timestamp of the first frame that should be dropped again (default I64_MAX)
      start_pts         <int64>      ..F.A... Timestamp of the first frame that should be  passed (from I64_MIN to I64_MAX) (default I64_MIN)
      end_pts           <int64>      ..F.A... Timestamp of the first frame that should be dropped again (from I64_MIN to I64_MAX) (default I64_MIN)
      durationi         <duration>   ..F.A... Maximum duration of the output (default 0)
      start_sample      <int64>      ..F.A... Number of the first audio sample that should be passed to the output (from -1 to I64_MAX) (default -1)
      end_sample        <int64>      ..F.A... Number of the first audio sample that should be dropped again (from 0 to I64_MAX) (default I64_MAX)
      start             <double>     ..F.A... Timestamp in seconds of the first frame that should be passed (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
      end               <double>     ..F.A... Timestamp in seconds of the first frame that should be dropped again (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
      duration          <double>     ..F.A... Maximum duration of the output in seconds (from 0 to DBL_MAX) (default 0)
    
    bandpass AVOptions:
      frequency         <double>     ..F.A... set central frequency (from 0 to 999999) (default 3000)
      f                 <double>     ..F.A... set central frequency (from 0 to 999999) (default 3000)
      width_type        <int>        ..F.A... set filter-width type (from 1 to 4) (default 3)
         h                            ..F.A... Hz
         q                            ..F.A... Q-Factor
         o                            ..F.A... octave
         s                            ..F.A... slope
      width             <double>     ..F.A... set band-width (from 0 to 999) (default 0.5)
      w                 <double>     ..F.A... set band-width (from 0 to 999) (default 0.5)
      csg               <int>        ..F.A... use constant skirt gain (from 0 to 1) (default 0)
    
    bandreject AVOptions:
      frequency         <double>     ..F.A... set central frequency (from 0 to 999999) (default 3000)
      f                 <double>     ..F.A... set central frequency (from 0 to 999999) (default 3000)
      width_type        <int>        ..F.A... set filter-width type (from 1 to 4) (default 3)
         h                            ..F.A... Hz
         q                            ..F.A... Q-Factor
         o                            ..F.A... octave
         s                            ..F.A... slope
      width             <double>     ..F.A... set band-width (from 0 to 999) (default 0.5)
      w                 <double>     ..F.A... set band-width (from 0 to 999) (default 0.5)
    
    bass AVOptions:
      frequency         <double>     ..F.A... set central frequency (from 0 to 999999) (default 100)
      f                 <double>     ..F.A... set central frequency (from 0 to 999999) (default 100)
      width_type        <int>        ..F.A... set filter-width type (from 1 to 4) (default 3)
         h                            ..F.A... Hz
         q                            ..F.A... Q-Factor
         o                            ..F.A... octave
         s                            ..F.A... slope
      width             <double>     ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5)
      w                 <double>     ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5)
      gain              <double>     ..F.A... set gain (from -900 to 900) (default 0)
      g                 <double>     ..F.A... set gain (from -900 to 900) (default 0)
    
    biquad AVOptions:
      a0                <double>     ..F.A... (from -32768 to 32767) (default 1)
      a1                <double>     ..F.A... (from -32768 to 32767) (default 1)
      a2                <double>     ..F.A... (from -32768 to 32767) (default 1)
      b0                <double>     ..F.A... (from -32768 to 32767) (default 1)
      b1                <double>     ..F.A... (from -32768 to 32767) (default 1)
      b2                <double>     ..F.A... (from -32768 to 32767) (default 1)
    
    channelmap AVOptions:
      map               <string>     ..F.A... A comma-separated list of input channel numbers in output order.
      channel_layout    <string>     ..F.A... Output channel layout.
    
    channelsplit AVOptions:
      channel_layout    <string>     ..F.A... Input channel layout. (default "stereo")
    
    chorus AVOptions:
      in_gain           <float>      ..F.A... set input gain (from 0 to 1) (default 0.4)
      out_gain          <float>      ..F.A... set output gain (from 0 to 1) (default 0.4)
      delays            <string>     ..F.A... set delays
      decays            <string>     ..F.A... set decays
      speeds            <string>     ..F.A... set speeds
      depths            <string>     ..F.A... set depths
    
    compand AVOptions:
      attacks           <string>     ..F.A... set time over which increase of volume is determined (default "0.3")
      decays            <string>     ..F.A... set time over which decrease of volume is determined (default "0.8")
      points            <string>     ..F.A... set points of transfer function (default "-70/-70|-60/-20")
      soft-knee         <double>     ..F.A... set soft-knee (from 0.01 to 900) (default 0.01)
      gain              <double>     ..F.A... set output gain (from -900 to 900) (default 0)
      volume            <double>     ..F.A... set initial volume (from -900 to 0) (default 0)
      delay             <double>     ..F.A... set delay for samples before sending them to volume adjuster (from 0 to 20) (default 0)
    
    dcshift AVOptions:
      shift             <double>     ..F.A... set DC shift (from -1 to 1) (default 0)
      limitergain       <double>     ..F.A... set limiter gain (from 0 to 1) (default 0)
    
    dynaudnorm AVOptions:
      f                 <int>        ..F.A... set the frame length in msec (from 10 to 8000) (default 500)
      g                 <int>        ..F.A... set the filter size (from 3 to 301) (default 31)
      p                 <double>     ..F.A... set the peak value (from 0 to 1) (default 0.95)
      m                 <double>     ..F.A... set the max amplification (from 1 to 100) (default 10)
      r                 <double>     ..F.A... set the target RMS (from 0 to 1) (default 0)
      n                 <int>        ..F.A... enable channel coupling (from 0 to 1) (default 1)
      c                 <int>        ..F.A... enable DC correction (from 0 to 1) (default 0)
      b                 <int>        ..F.A... enable alternative boundary mode (from 0 to 1) (default 0)
      s                 <double>     ..F.A... set the compress factor (from 0 to 30) (default 0)
    
    equalizer AVOptions:
      frequency         <double>     ..F.A... set central frequency (from 0 to 999999) (default 0)
      f                 <double>     ..F.A... set central frequency (from 0 to 999999) (default 0)
      width_type        <int>        ..F.A... set filter-width type (from 1 to 4) (default 3)
         h                            ..F.A... Hz
         q                            ..F.A... Q-Factor
         o                            ..F.A... octave
         s                            ..F.A... slope
      width             <double>     ..F.A... set band-width (from 0 to 999) (default 1)
      w                 <double>     ..F.A... set band-width (from 0 to 999) (default 1)
      gain              <double>     ..F.A... set gain (from -900 to 900) (default 0)
      g                 <double>     ..F.A... set gain (from -900 to 900) (default 0)
    
    flanger AVOptions:
      delay             <double>     ..F.A... base delay in milliseconds (from 0 to 30) (default 0)
      depth             <double>     ..F.A... added swept delay in milliseconds (from 0 to 10) (default 2)
      regen             <double>     ..F.A... percentage regeneration (delayed signal feedback) (from -95 to 95) (default 0)
      width             <double>     ..F.A... percentage of delayed signal mixed with original (from 0 to 100) (default 71)
      speed             <double>     ..F.A... sweeps per second (Hz) (from 0.1 to 10) (default 0.5)
      shape             <int>        ..F.A... swept wave shape (from 0 to 1) (default 0)
         triangular                   ..F.A...
         t                            ..F.A...
         sinusoidal                   ..F.A...
         s                            ..F.A...
      phase             <double>     ..F.A... swept wave percentage phase-shift for multi-channel (from 0 to 100) (default 25)
      interp            <int>        ..F.A... delay-line interpolation (from 0 to 1) (default 0)
         linear                       ..F.A...
         quadratic                    ..F.A...
    
    highpass AVOptions:
      frequency         <double>     ..F.A... set frequency (from 0 to 999999) (default 3000)
      f                 <double>     ..F.A... set frequency (from 0 to 999999) (default 3000)
      width_type        <int>        ..F.A... set filter-width type (from 1 to 4) (default 3)
         h                            ..F.A... Hz
         q                            ..F.A... Q-Factor
         o                            ..F.A... octave
         s                            ..F.A... slope
      width             <double>     ..F.A... set width (from 0 to 99999) (default 0.707)
      w                 <double>     ..F.A... set width (from 0 to 99999) (default 0.707)
      poles             <int>        ..F.A... set number of poles (from 1 to 2) (default 2)
      p                 <int>        ..F.A... set number of poles (from 1 to 2) (default 2)
    
    join AVOptions:
      inputs            <int>        ..F.A... Number of input streams. (from 1 to INT_MAX) (default 2)
      channel_layout    <string>     ..F.A... Channel layout of the output stream. (default "stereo")
      map               <string>     ..F.A... A comma-separated list of channels maps in the format 'input_stream.input_channel-output_channel.
    
    lowpass AVOptions:
      frequency         <double>     ..F.A... set frequency (from 0 to 999999) (default 500)
      f                 <double>     ..F.A... set frequency (from 0 to 999999) (default 500)
      width_type        <int>        ..F.A... set filter-width type (from 1 to 4) (default 3)
         h                            ..F.A... Hz
         q                            ..F.A... Q-Factor
         o                            ..F.A... octave
         s                            ..F.A... slope
      width             <double>     ..F.A... set width (from 0 to 99999) (default 0.707)
      w                 <double>     ..F.A... set width (from 0 to 99999) (default 0.707)
      poles             <int>        ..F.A... set number of poles (from 1 to 2) (default 2)
      p                 <int>        ..F.A... set number of poles (from 1 to 2) (default 2)
    
    pan AVOptions:
      args              <string>     ..F.A...
    
    sidechaincompress AVOptions:
      threshold         <double>     ..F.A... set threshold (from 0.000976563 to 1) (default 0.125)
      ratio             <double>     ..F.A... set ratio (from 1 to 20) (default 2)
      attack            <double>     ..F.A... set attack (from 0.01 to 2000) (default 20)
      release           <double>     ..F.A... set release (from 0.01 to 9000) (default 250)
      makeup            <double>     ..F.A... set make up gain (from 1 to 64) (default 2)
      knee              <double>     ..F.A... set knee (from 1 to 8) (default 2.82843)
      link              <int>        ..F.A... set link type (from 0 to 1) (default 0)
         average                      ..F.A...
         maximum                      ..F.A...
      detection         <int>        ..F.A... set detection (from 0 to 1) (default 1)
         peak                         ..F.A...
         rms                          ..F.A...
    
    silencedetect AVOptions:
      n                 <double>     ..F.A... set noise tolerance (from 0 to DBL_MAX) (default 0.001)
      noise             <double>     ..F.A... set noise tolerance (from 0 to DBL_MAX) (default 0.001)
      d                 <double>     ..F.A... set minimum duration in seconds (from 0 to 86400) (default 2)
      duration          <double>     ..F.A... set minimum duration in seconds (from 0 to 86400) (default 2)
    
    silenceremove AVOptions:
      start_periods     <int>        ..F.A... (from 0 to 9000) (default 0)
      start_duration    <duration>   ..F.A... (default 0)
      start_threshold   <double>     ..F.A... (from 0 to DBL_MAX) (default 0)
      stop_periods      <int>        ..F.A... (from -9000 to 9000) (default 0)
      stop_duration     <duration>   ..F.A... (default 0)
      stop_threshold    <double>     ..F.A... (from 0 to DBL_MAX) (default 0)
      leave_silence     <int>        ..F.A... (from 0 to 1) (default 0)
    
    treble AVOptions:
      frequency         <double>     ..F.A... set central frequency (from 0 to 999999) (default 3000)
      f                 <double>     ..F.A... set central frequency (from 0 to 999999) (default 3000)
      width_type        <int>        ..F.A... set filter-width type (from 1 to 4) (default 3)
         h                            ..F.A... Hz
         q                            ..F.A... Q-Factor
         o                            ..F.A... octave
         s                            ..F.A... slope
      width             <double>     ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5)
      w                 <double>     ..F.A... set shelf transition steep (from 0 to 99999) (default 0.5)
      gain              <double>     ..F.A... set gain (from -900 to 900) (default 0)
      g                 <double>     ..F.A... set gain (from -900 to 900) (default 0)
    
    volume AVOptions:
      volume            <string>     ..F.A... set volume adjustment expression (default "1.0")
      precision         <int>        ..F.A... select mathematical precision (from 0 to 2) (default 1)
         fixed                        ..F.A... select 8-bit fixed-point
         float                        ..F.A... select 32-bit floating-point
         double                       ..F.A... select 64-bit floating-point
      eval              <int>        ..F.A... specify when to evaluate expressions (from 0 to 1) (default 0)
         once                         ..F.A... eval volume expression once
         frame                        ..F.A... eval volume expression per-frame
      -replaygain        <int>        ....A... Apply replaygain side data when present (from 0 to 3) (default 0)
         drop                         ....A... replaygain side data is dropped
         ignore                       ....A... replaygain side data is ignored
         track                        ....A... track gain is preferred
         album                        ....A... album gain is preferred
      -replaygain_preamp <double>     ....A... Apply replaygain pre-amplification (from -15 to 15) (default 0)
      -replaygain_noclip <int>        ....A... Apply replaygain clipping prevention (from 0 to 1) (default 1)
    
    aevalsrc AVOptions:
      exprs             <string>     ..F.A... set the '|'-separated list of channels expressions
      nb_samples        <int>        ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024)
      n                 <int>        ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024)
      sample_rate       <string>     ..F.A... set the sample rate (default "44100")
      s                 <string>     ..F.A... set the sample rate (default "44100")
      duration          <duration>   ..F.A... set audio duration (default -1)
      d                 <duration>   ..F.A... set audio duration (default -1)
      channel_layout    <string>     ..F.A... set channel layout
      c                 <string>     ..F.A... set channel layout
    
    anullsrc AVOptions:
      channel_layout    <string>     ..F.A... set channel_layout (default "stereo")
      cl                <string>     ..F.A... set channel_layout (default "stereo")
      sample_rate       <string>     ..F.A... set sample rate (default "44100")
      r                 <string>     ..F.A... set sample rate (default "44100")
      nb_samples        <int>        ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024)
      n                 <int>        ..F.A... set the number of samples per requested frame (from 0 to INT_MAX) (default 1024)
    
    sine AVOptions:
      frequency         <double>     ..F.A... set the sine frequency (from 0 to DBL_MAX) (default 440)
      f                 <double>     ..F.A... set the sine frequency (from 0 to DBL_MAX) (default 440)
      beep_factor       <double>     ..F.A... set the beep fequency factor (from 0 to DBL_MAX) (default 0)
      b                 <double>     ..F.A... set the beep fequency factor (from 0 to DBL_MAX) (default 0)
      sample_rate       <int>        ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100)
      r                 <int>        ..F.A... set the sample rate (from 1 to INT_MAX) (default 44100)
      duration          <duration>   ..F.A... set the audio duration (default 0)
      d                 <duration>   ..F.A... set the audio duration (default 0)
      samples_per_frame <int>        ..F.A... set the number of samples per frame (from 0 to INT_MAX) (default 1024)
    
    atadenoise AVOptions:
      0a                <float>      ..FV.... set threshold A for 1st plane (from 0 to 0.3) (default 0.02)
      0b                <float>      ..FV.... set threshold B for 1st plane (from 0 to 5) (default 0.04)
      1a                <float>      ..FV.... set threshold A for 2nd plane (from 0 to 0.3) (default 0.02)
      1b                <float>      ..FV.... set threshold B for 2nd plane (from 0 to 5) (default 0.04)
      2a                <float>      ..FV.... set threshold A for 3rd plane (from 0 to 0.3) (default 0.02)
      2b                <float>      ..FV.... set threshold B for 3rd plane (from 0 to 5) (default 0.04)
      s                 <int>        ..FV.... set how many frames to use (from 5 to 129) (default 33)
    
    bbox AVOptions:
      min_val           <int>        ..FV.... set minimum luminance value for bounding box (from 0 to 254) (default 16)
    
    blackdetect AVOptions:
      d                 <double>     ..FV.... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2)
      black_min_duration <double>     ..FV.... set minimum detected black duration in seconds (from 0 to DBL_MAX) (default 2)
      picture_black_ratio_th <double>     ..FV.... set the picture black ratio threshold (from 0 to 1) (default 0.98)
      pic_th            <double>     ..FV.... set the picture black ratio threshold (from 0 to 1) (default 0.98)
      pixel_black_th    <double>     ..FV.... set the pixel black threshold (from 0 to 1) (default 0.1)
      pix_th            <double>     ..FV.... set the pixel black threshold (from 0 to 1) (default 0.1)
    
    blend AVOptions:
      c0_mode           <int>        ..FV.... set component #0 blend mode (from 0 to 27) (default 0)
         addition                     ..FV.... 
         and                          ..FV.... 
         average                      ..FV.... 
         burn                         ..FV.... 
         darken                       ..FV.... 
         difference                   ..FV.... 
         difference128                ..FV.... 
         divide                       ..FV.... 
         dodge                        ..FV.... 
         exclusion                    ..FV.... 
         glow                         ..FV.... 
         hardlight                    ..FV.... 
         hardmix                      ..FV.... 
         lighten                      ..FV.... 
         linearlight                  ..FV.... 
         multiply                     ..FV.... 
         negation                     ..FV.... 
         normal                       ..FV.... 
         or                           ..FV.... 
         overlay                      ..FV.... 
         phoenix                      ..FV.... 
         pinlight                     ..FV.... 
         reflect                      ..FV.... 
         screen                       ..FV.... 
         softlight                    ..FV.... 
         subtract                     ..FV.... 
         vividlight                   ..FV.... 
         xor                          ..FV.... 
      c1_mode           <int>        ..FV.... set component #1 blend mode (from 0 to 27) (default 0)
         addition                     ..FV.... 
         and                          ..FV.... 
         average                      ..FV.... 
         burn                         ..FV.... 
         darken                       ..FV.... 
         difference                   ..FV.... 
         difference128                ..FV.... 
         divide                       ..FV.... 
         dodge                        ..FV.... 
         exclusion                    ..FV.... 
         glow                         ..FV.... 
         hardlight                    ..FV.... 
         hardmix                      ..FV.... 
         lighten                      ..FV.... 
         linearlight                  ..FV.... 
         multiply                     ..FV.... 
         negation                     ..FV.... 
         normal                       ..FV.... 
         or                           ..FV.... 
         overlay                      ..FV.... 
         phoenix                      ..FV.... 
         pinlight                     ..FV.... 
         reflect                      ..FV.... 
         screen                       ..FV.... 
         softlight                    ..FV.... 
         subtract                     ..FV.... 
         vividlight                   ..FV.... 
         xor                          ..FV.... 
      c2_mode           <int>        ..FV.... set component #2 blend mode (from 0 to 27) (default 0)
         addition                     ..FV.... 
         and                          ..FV.... 
         average                      ..FV.... 
         burn                         ..FV.... 
         darken                       ..FV.... 
         difference                   ..FV.... 
         difference128                ..FV.... 
         divide                       ..FV.... 
         dodge                        ..FV.... 
         exclusion                    ..FV.... 
         glow                         ..FV.... 
         hardlight                    ..FV.... 
         hardmix                      ..FV.... 
         lighten                      ..FV.... 
         linearlight                  ..FV.... 
         multiply                     ..FV.... 
         negation                     ..FV.... 
         normal                       ..FV.... 
         or                           ..FV.... 
         overlay                      ..FV.... 
         phoenix                      ..FV.... 
         pinlight                     ..FV.... 
         reflect                      ..FV.... 
         screen                       ..FV.... 
         softlight                    ..FV.... 
         subtract                     ..FV.... 
         vividlight                   ..FV.... 
         xor                          ..FV.... 
      c3_mode           <int>        ..FV.... set component #3 blend mode (from 0 to 27) (default 0)
         addition                     ..FV.... 
         and                          ..FV.... 
         average                      ..FV.... 
         burn                         ..FV.... 
         darken                       ..FV.... 
         difference                   ..FV.... 
         difference128                ..FV.... 
         divide                       ..FV.... 
         dodge                        ..FV.... 
         exclusion                    ..FV.... 
         glow                         ..FV.... 
         hardlight                    ..FV.... 
         hardmix                      ..FV.... 
         lighten                      ..FV.... 
         linearlight                  ..FV.... 
         multiply                     ..FV.... 
         negation                     ..FV.... 
         normal                       ..FV.... 
         or                           ..FV.... 
         overlay                      ..FV.... 
         phoenix                      ..FV.... 
         pinlight                     ..FV.... 
         reflect                      ..FV.... 
         screen                       ..FV.... 
         softlight                    ..FV.... 
         subtract                     ..FV.... 
         vividlight                   ..FV.... 
         xor                          ..FV.... 
      all_mode          <int>        ..FV.... set blend mode for all components (from -1 to 27) (default -1)
         addition                     ..FV.... 
         and                          ..FV.... 
         average                      ..FV.... 
         burn                         ..FV.... 
         darken                       ..FV.... 
         difference                   ..FV.... 
         difference128                ..FV.... 
         divide                       ..FV.... 
         dodge                        ..FV.... 
         exclusion                    ..FV.... 
         glow                         ..FV.... 
         hardlight                    ..FV.... 
         hardmix                      ..FV.... 
         lighten                      ..FV.... 
         linearlight                  ..FV.... 
         multiply                     ..FV.... 
         negation                     ..FV.... 
         normal                       ..FV.... 
         or                           ..FV.... 
         overlay                      ..FV.... 
         phoenix                      ..FV.... 
         pinlight                     ..FV.... 
         reflect                      ..FV.... 
         screen                       ..FV.... 
         softlight                    ..FV.... 
         subtract                     ..FV.... 
         vividlight                   ..FV.... 
         xor                          ..FV.... 
      c0_expr           <string>     ..FV.... set color component #0 expression
      c1_expr           <string>     ..FV.... set color component #1 expression
      c2_expr           <string>     ..FV.... set color component #2 expression
      c3_expr           <string>     ..FV.... set color component #3 expression
      all_expr          <string>     ..FV.... set expression for all color components
      c0_opacity        <double>     ..FV.... set color component #0 opacity (from 0 to 1) (default 1)
      c1_opacity        <double>     ..FV.... set color component #1 opacity (from 0 to 1) (default 1)
      c2_opacity        <double>     ..FV.... set color component #2 opacity (from 0 to 1) (default 1)
      c3_opacity        <double>     ..FV.... set color component #3 opacity (from 0 to 1) (default 1)
      all_opacity       <double>     ..FV.... set opacity for all color components (from 0 to 1) (default 1)
      shortest          <int>        ..FV.... force termination when the shortest input terminates (from 0 to 1) (default 0)
      repeatlast        <int>        ..FV.... repeat last bottom frame (from 0 to 1) (default 1)
    
    codecview AVOptions:
      mv                <flags>      ..FV.... set motion vectors to visualize (default 0)
         pf                           ..FV.... forward predicted MVs of P-frames
         bf                           ..FV.... forward predicted MVs of B-frames
         bb                           ..FV.... backward predicted MVs of B-frames
    
    colorbalance AVOptions:
      rs                <double>     ..FV.... set red shadows (from -1 to 1) (default 0)
      gs                <double>     ..FV.... set green shadows (from -1 to 1) (default 0)
      bs                <double>     ..FV.... set blue shadows (from -1 to 1) (default 0)
      rm                <double>     ..FV.... set red midtones (from -1 to 1) (default 0)
      gm                <double>     ..FV.... set green midtones (from -1 to 1) (default 0)
      bm                <double>     ..FV.... set blue midtones (from -1 to 1) (default 0)
      rh                <double>     ..FV.... set red highlights (from -1 to 1) (default 0)
      gh                <double>     ..FV.... set green highlights (from -1 to 1) (default 0)
      bh                <double>     ..FV.... set blue highlights (from -1 to 1) (default 0)
    
    colorchannelmixer AVOptions:
      rr                <double>     ..FV.... set the red gain for the red channel (from -2 to 2) (default 1)
      rg                <double>     ..FV.... set the green gain for the red channel (from -2 to 2) (default 0)
      rb                <double>     ..FV.... set the blue gain for the red channel (from -2 to 2) (default 0)
      ra                <double>     ..FV.... set the alpha gain for the red channel (from -2 to 2) (default 0)
      gr                <double>     ..FV.... set the red gain for the green channel (from -2 to 2) (default 0)
      gg                <double>     ..FV.... set the green gain for the green channel (from -2 to 2) (default 1)
      gb                <double>     ..FV.... set the blue gain for the green channel (from -2 to 2) (default 0)
      ga                <double>     ..FV.... set the alpha gain for the green channel (from -2 to 2) (default 0)
      br                <double>     ..FV.... set the red gain for the blue channel (from -2 to 2) (default 0)
      bg                <double>     ..FV.... set the green gain for the blue channel (from -2 to 2) (default 0)
      bb                <double>     ..FV.... set the blue gain for the blue channel (from -2 to 2) (default 1)
      ba                <double>     ..FV.... set the alpha gain for the blue channel (from -2 to 2) (default 0)
      ar                <double>     ..FV.... set the red gain for the alpha channel (from -2 to 2) (default 0)
      ag                <double>     ..FV.... set the green gain for the alpha channel (from -2 to 2) (default 0)
      ab                <double>     ..FV.... set the blue gain for the alpha channel (from -2 to 2) (default 0)
      aa                <double>     ..FV.... set the alpha gain for the alpha channel (from -2 to 2) (default 1)
    
    colorkey AVOptions:
      color             <color>      ..FV.... set the colorkey key color (default "black")
      similarity        <float>      ..FV.... set the colorkey similarity value (from 0.01 to 1) (default 0.01)
      blend             <float>      ..FV.... set the colorkey key blend value (from 0 to 1) (default 0)
    
    colorlevels AVOptions:
      rimin             <double>     ..FV.... set input red black point (from -1 to 1) (default 0)
      gimin             <double>     ..FV.... set input green black point (from -1 to 1) (default 0)
      bimin             <double>     ..FV.... set input blue black point (from -1 to 1) (default 0)
      aimin             <double>     ..FV.... set input alpha black point (from -1 to 1) (default 0)
      rimax             <double>     ..FV.... set input red white point (from -1 to 1) (default 1)
      gimax             <double>     ..FV.... set input green white point (from -1 to 1) (default 1)
      bimax             <double>     ..FV.... set input blue white point (from -1 to 1) (default 1)
      aimax             <double>     ..FV.... set input alpha white point (from -1 to 1) (default 1)
      romin             <double>     ..FV.... set output red black point (from 0 to 1) (default 0)
      gomin             <double>     ..FV.... set output green black point (from 0 to 1) (default 0)
      bomin             <double>     ..FV.... set output blue black point (from 0 to 1) (default 0)
      aomin             <double>     ..FV.... set output alpha black point (from 0 to 1) (default 0)
      romax             <double>     ..FV.... set output red white point (from 0 to 1) (default 1)
      gomax             <double>     ..FV.... set output green white point (from 0 to 1) (default 1)
      bomax             <double>     ..FV.... set output blue white point (from 0 to 1) (default 1)
      aomax             <double>     ..FV.... set output alpha white point (from 0 to 1) (default 1)
    
    crop AVOptions:
      out_w             <string>     ..FV.... set the width crop area expression (default "iw")
      w                 <string>     ..FV.... set the width crop area expression (default "iw")
      out_h             <string>     ..FV.... set the height crop area expression (default "ih")
      h                 <string>     ..FV.... set the height crop area expression (default "ih")
      x                 <string>     ..FV.... set the x crop area expression (default "(in_w-out_w)/2")
      y                 <string>     ..FV.... set the y crop area expression (default "(in_h-out_h)/2")
      keep_aspect       <int>        ..FV.... keep aspect ratio (from 0 to 1) (default 0)
    
    curves AVOptions:
      preset            <int>        ..FV.... select a color curves preset (from 0 to 10) (default 0)
         none                         ..FV....
         color_negative               ..FV....
         cross_process                ..FV....
         darker                       ..FV....
         increase_contrast              ..FV....
         lighter                      ..FV....
         linear_contrast              ..FV....
         medium_contrast              ..FV....
         negative                     ..FV....
         strong_contrast              ..FV....
         vintage                      ..FV....
      master            <string>     ..FV.... set master points coordinates
      m                 <string>     ..FV.... set master points coordinates
      red               <string>     ..FV.... set red points coordinates
      r                 <string>     ..FV.... set red points coordinates
      green             <string>     ..FV.... set green points coordinates
      g                 <string>     ..FV.... set green points coordinates
      blue              <string>     ..FV.... set blue points coordinates
      b                 <string>     ..FV.... set blue points coordinates
      all               <string>     ..FV.... set points coordinates for all components
      psfile            <string>     ..FV.... set Photoshop curves file name
    
    dctdnoiz AVOptions:
      sigma             <float>      ..FV.... set noise sigma constant (from 0 to 999) (default 0)
      s                 <float>      ..FV.... set noise sigma constant (from 0 to 999) (default 0)
      overlap           <int>        ..FV.... set number of block overlapping pixels (from -1 to 15) (default -1)
      expr              <string>     ..FV.... set coefficient factor expression
      e                 <string>     ..FV.... set coefficient factor expression
      n                 <int>        ..FV.... set the block size, expressed in bits (from 3 to 4) (default 3)
    
    deband AVOptions:
      1thr              <float>      ..FV.... set 1st plane threshold (from 3e-05 to 0.5) (default 0.02)
      2thr              <float>      ..FV.... set 2nd plane threshold (from 3e-05 to 0.5) (default 0.02)
      3thr              <float>      ..FV.... set 3rd plane threshold (from 3e-05 to 0.5) (default 0.02)
      4thr              <float>      ..FV.... set 4th plane threshold (from 3e-05 to 0.5) (default 0.02)
      range             <int>        ..FV.... set range (from INT_MIN to INT_MAX) (default 16)
      r                 <int>        ..FV.... set range (from INT_MIN to INT_MAX) (default 16)
      direction         <float>      ..FV.... set direction (from -6.28319 to 6.28319) (default 6.28319)
      d                 <float>      ..FV.... set direction (from -6.28319 to 6.28319) (default 6.28319)
      blur              <int>        ..FV.... enable blur (from 0 to 1) (default 1)
    
    decimate AVOptions:
      cycle             <int>        ..FV.... set the number of frame from which one will be dropped (from 2 to 25) (default 5)
      dupthresh         <double>     ..FV.... set duplicate threshold (from 0 to 100) (default 1.1)
      scthresh          <double>     ..FV.... set scene change threshold (from 0 to 100) (default 15)
      blockx            <int>        ..FV.... set the size of the x-axis blocks used during metric calculations (from 4 to 512) (default 32)
      blocky            <int>        ..FV.... set the size of the y-axis blocks used during metric calculations (from 4 to 512) (default 32)
      ppsrc             <int>        ..FV.... mark main input as a pre-processed input and activate clean source input stream (from 0 to 1) (default 0)
      chroma            <int>        ..FV.... set whether or not chroma is considered in the metric calculations (from 0 to 1) (default 1)
    
    deflate AVOptions:
      threshold0        <int>        ..FV.... set threshold for 1st plane (from 0 to 65535) (default 65535)
      threshold1        <int>        ..FV.... set threshold for 2nd plane (from 0 to 65535) (default 65535)
      threshold2        <int>        ..FV.... set threshold for 3rd plane (from 0 to 65535) (default 65535)
      threshold3        <int>        ..FV.... set threshold for 4th plane (from 0 to 65535) (default 65535)
    
    dejudder AVOptions:
      cycle             <int>        ..FV.... set the length of the cycle to use for dejuddering (from 2 to 240) (default 4)
    
    deshake AVOptions:
      x                 <int>        ..FV.... set x for the rectangular search area (from -1 to INT_MAX) (default -1)
      y                 <int>        ..FV.... set y for the rectangular search area (from -1 to INT_MAX) (default -1)
      w                 <int>        ..FV.... set width for the rectangular search area (from -1 to INT_MAX) (default -1)
      h                 <int>        ..FV.... set height for the rectangular search area (from -1 to INT_MAX) (default -1)
      rx                <int>        ..FV.... set x for the rectangular search area (from 0 to 64) (default 16)
      ry                <int>        ..FV.... set y for the rectangular search area (from 0 to 64) (default 16)
      edge              <int>        ..FV.... set edge mode (from 0 to 3) (default 3)
         blank                        ..FV.... fill zeroes at blank locations
         original                     ..FV.... original image at blank locations
         clamp                        ..FV.... extruded edge value at blank locations
         mirror                       ..FV.... mirrored edge at blank locations
      blocksize         <int>        ..FV.... set motion search blocksize (from 4 to 128) (default 8)
      contrast          <int>        ..FV.... set contrast threshold for blocks (from 1 to 255) (default 125)
      search            <int>        ..FV.... set search strategy (from 0 to 1) (default 0)
         exhaustive                   ..FV.... exhaustive search
         less                         ..FV.... less exhaustive search
      filename          <string>     ..FV.... set motion search detailed log file name
      opencl            <int>        ..FV.... use OpenCL filtering capabilities (from 0 to 1) (default 0)
    
    detelecine AVOptions:
      first_field       <int>        ..FV.... select first field (from 0 to 1) (default 0)
         top                          ..FV.... select top field first
         t                            ..FV.... select top field first
         bottom                       ..FV.... select bottom field first
         b                            ..FV.... select bottom field first
      pattern           <string>     ..FV.... pattern that describe for how many fields a frame is to be displayed (default "23")
      start_frame       <int>        ..FV.... position of first frame with respect to the pattern if stream is cut (from 0 to 13) (default 0)
    
    dilation AVOptions:
      threshold0        <int>        ..FV.... set threshold for 1st plane (from 0 to 65535) (default 65535)
      threshold1        <int>        ..FV.... set threshold for 2nd plane (from 0 to 65535) (default 65535)
      threshold2        <int>        ..FV.... set threshold for 3rd plane (from 0 to 65535) (default 65535)
      threshold3        <int>        ..FV.... set threshold for 4th plane (from 0 to 65535) (default 65535)
      coordinates       <int>        ..FV.... set coordinates (from 0 to 255) (default 255)
    
    drawbox AVOptions:
      x                 <string>     ..FV.... set horizontal position of the left box edge (default "0")
      y                 <string>     ..FV.... set vertical position of the top box edge (default "0")
      width             <string>     ..FV.... set width of the box (default "0")
      w                 <string>     ..FV.... set width of the box (default "0")
      height            <string>     ..FV.... set height of the box (default "0")
      h                 <string>     ..FV.... set height of the box (default "0")
      color             <string>     ..FV.... set color of the box (default "black")
      c                 <string>     ..FV.... set color of the box (default "black")
      thickness         <string>     ..FV.... set the box thickness (default "3")
      t                 <string>     ..FV.... set the box thickness (default "3")
    
    drawgraph AVOptions:
      m1                <string>     ..FV.... set 1st metadata key (default "")
      fg1               <string>     ..FV.... set 1st foreground color expression (default "0xffff0000")
      m2                <string>     ..FV.... set 2nd metadata key (default "")
      fg2               <string>     ..FV.... set 2nd foreground color expression (default "0xff00ff00")
      m3                <string>     ..FV.... set 3rd metadata key (default "")
      fg3               <string>     ..FV.... set 3rd foreground color expression (default "0xffff00ff")
      m4                <string>     ..FV.... set 4th metadata key (default "")
      fg4               <string>     ..FV.... set 4th foreground color expression (default "0xffffff00")
      bg                <color>      ..FV.... set background color (default "white")
      min               <float>      ..FV.... set minimal value (from INT_MIN to INT_MAX) (default -1)
      max               <float>      ..FV.... set maximal value (from INT_MIN to INT_MAX) (default 1)
      mode              <int>        ..FV.... set graph mode (from 0 to 2) (default 2)
         bar                          ..FV.... draw bars
         dot                          ..FV.... draw dots
         line                         ..FV.... draw lines
      slide             <int>        ..FV.... set slide mode (from 0 to 3) (default 0)
         frame                        ..FV.... draw new frames
         replace                      ..FV.... replace old columns with new
         scroll                       ..FV.... scroll from right to left
         rscroll                      ..FV.... scroll from left to right
      size              <image_size> ..FV.... set graph size (default "900x256")
      s                 <image_size> ..FV.... set graph size (default "900x256")
    
    drawgrid AVOptions:
      x                 <string>     ..FV.... set horizontal offset (default "0")
      y                 <string>     ..FV.... set vertical offset (default "0")
      width             <string>     ..FV.... set width of grid cell (default "0")
      w                 <string>     ..FV.... set width of grid cell (default "0")
      height            <string>     ..FV.... set height of grid cell (default "0")
      h                 <string>     ..FV.... set height of grid cell (default "0")
      color             <string>     ..FV.... set color of the grid (default "black")
      c                 <string>     ..FV.... set color of the grid (default "black")
      thickness         <string>     ..FV.... set grid line thickness (default "1")
      t                 <string>     ..FV.... set grid line thickness (default "1")
    
    edgedetect AVOptions:
      high              <double>     ..FV.... set high threshold (from 0 to 1) (default 0.196078)
      low               <double>     ..FV.... set low threshold (from 0 to 1) (default 0.0784314)
      mode              <int>        ..FV.... set mode (from 0 to 1) (default 0)
         wires                        ..FV.... white/gray wires on black
         colormix                     ..FV.... mix colors
    
    elbg AVOptions:
      codebook_length   <int>        ..FV.... set codebook length (from 1 to INT_MAX) (default 256)
      l                 <int>        ..FV.... set codebook length (from 1 to INT_MAX) (default 256)
      nb_steps          <int>        ..FV.... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1)
      n                 <int>        ..FV.... set max number of steps used to compute the mapping (from 1 to INT_MAX) (default 1)
      seed              <int>        ..FV.... set the random seed (from -1 to UINT32_MAX) (default -1)
      s                 <int>        ..FV.... set the random seed (from -1 to UINT32_MAX) (default -1)
      pal8              <int>        ..FV.... set the pal8 output (from 0 to 1) (default 0)
    
    erosion AVOptions:
      threshold0        <int>        ..FV.... set threshold for 1st plane (from 0 to 65535) (default 65535)
      threshold1        <int>        ..FV.... set threshold for 2nd plane (from 0 to 65535) (default 65535)
      threshold2        <int>        ..FV.... set threshold for 3rd plane (from 0 to 65535) (default 65535)
      threshold3        <int>        ..FV.... set threshold for 4th plane (from 0 to 65535) (default 65535)
      coordinates       <int>        ..FV.... set coordinates (from 0 to 255) (default 255)
    
    extractplanes AVOptions:
      planes            <flags>      ..FV.... set planes (default 1)
         y                            ..FV.... set luma plane
         u                            ..FV.... set u plane
         v                            ..FV.... set v plane
         r                            ..FV.... set red plane
         g                            ..FV.... set green plane
         b                            ..FV.... set blue plane
         a                            ..FV.... set alpha plane
    
    fade AVOptions:
      type              <int>        ..FV.... 'in' or 'out' for fade-in/fade-out (from 0 to 1) (default 0)
      t                 <int>        ..FV.... 'in' or 'out' for fade-in/fade-out (from 0 to 1) (default 0)
      start_frame       <int>        ..FV.... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0)
      s                 <int>        ..FV.... Number of the first frame to which to apply the effect. (from 0 to INT_MAX) (default 0)
      nb_frames         <int>        ..FV.... Number of frames to which the effect should be applied. (from 0 to INT_MAX) (default 25)
      n                 <int>        ..FV.... Number of frames to which the effect should be applied. (from 0 to INT_MAX) (default 25)
      alpha             <int>        ..FV.... fade alpha if it is available on the input (from 0 to 1) (default 0)
      start_time        <duration>   ..FV.... Number of seconds of the beginning of the effect. (default 0)
      st                <duration>   ..FV.... Number of seconds of the beginning of the effect. (default 0)
      duration          <duration>   ..FV.... Duration of the effect in seconds. (default 0)
      d                 <duration>   ..FV.... Duration of the effect in seconds. (default 0)
      color             <color>      ..FV.... set color (default "black")
      c                 <color>      ..FV.... set color (default "black")
    
    fftfilt AVOptions:
      dc_Y              <int>        ..FV.... adjust gain in Y plane (from 0 to 1000) (default 0)
      dc_U              <int>        ..FV.... adjust gain in U plane (from 0 to 1000) (default 0)
      dc_V              <int>        ..FV.... adjust gain in V plane (from 0 to 1000) (default 0)
      weight_Y          <string>     ..FV.... set luminance expression in Y plane (default "1")
      weight_U          <string>     ..FV.... set chrominance expression in U plane
      weight_V          <string>     ..FV.... set chrominance expression in V plane
    
    field AVOptions:
      type              <int>        ..FV.... set field type (top or bottom) (from 0 to 1) (default 0)
         top                          ..FV.... select top field
         bottom                       ..FV.... select bottom field
    
    fieldmatch AVOptions:
      order             <int>        ..FV.... specify the assumed field order (from -1 to 1) (default -1)
         auto                         ..FV.... auto detect parity
         bff                          ..FV.... assume bottom field first
         tff                          ..FV.... assume top field first
      mode              <int>        ..FV.... set the matching mode or strategy to use (from 0 to 5) (default 1)
         pc                           ..FV.... 2-way match (p/c)
         pc_n                         ..FV.... 2-way match + 3rd match on combed (p/c + u)
         pc_u                         ..FV.... 2-way match + 3rd match (same order) on combed (p/c + u)
         pc_n_ub                      ..FV.... 2-way match + 3rd match on combed + 4th/5th matches if still combed (p/c + u + u/b)
         pcn                          ..FV.... 3-way match (p/c/n)
         pcn_ub                       ..FV.... 3-way match + 4th/5th matches on combed (p/c/n + u/b)
      ppsrc             <int>        ..FV.... mark main input as a pre-processed input and activate clean source input stream (from 0 to 1) (default 0)
      field             <int>        ..FV.... set the field to match from (from -1 to 1) (default -1)
         auto                         ..FV.... automatic (same value as 'order')
         bottom                       ..FV.... bottom field
         top                          ..FV.... top field
      mchroma           <int>        ..FV.... set whether or not chroma is included during the match comparisons (from 0 to 1) (default 1)
      y0                <int>        ..FV.... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from 0 to INT_MAX) (default 0)
      y1                <int>        ..FV.... define an exclusion band which excludes the lines between y0 and y1 from the field matching decision (from 0 to INT_MAX) (default 0)
      scthresh          <double>     ..FV.... set scene change detection threshold (from 0 to 100) (default 12)
      combmatch         <int>        ..FV.... set combmatching mode (from 0 to 2) (default 1)
         none                         ..FV.... disable combmatching
         sc                           ..FV.... enable combmatching only on scene change
         full                         ..FV.... enable combmatching all the time
      combdbg           <int>        ..FV.... enable comb debug (from 0 to 2) (default 0)
         none                         ..FV.... no forced calculation
         pcn                          ..FV.... calculate p/c/n
         pcnub                        ..FV.... calculate p/c/n/u/b
      cthresh           <int>        ..FV.... set the area combing threshold used for combed frame detection (from -1 to 255) (default 9)
      chroma            <int>        ..FV.... set whether or not chroma is considered in the combed frame decision (from 0 to 1) (default 0)
      blockx            <int>        ..FV.... set the x-axis size of the window used during combed frame detection (from 4 to 512) (default 16)
      blocky            <int>        ..FV.... set the y-axis size of the window used during combed frame detection (from 4 to 512) (default 16)
      combpel           <int>        ..FV.... set the number of combed pixels inside any of the blocky by blockx size blocks on the frame for the frame to be detected as combed (from 0 to INT_MAX) (default 80)
    
    fieldorder AVOptions:
      order             <int>        ..FV.... output field order (from 0 to 1) (default 1)
         bff                          ..FV.... bottom field first
         tff                          ..FV.... top field first
    
    format AVOptions:
      -pix_fmts          <string>     ...V.... A '|'-separated list of pixel formats
    
    fps AVOptions:
      fps               <video_rate> ..FV.... A string describing desired output framerate (default "25")
      -start_time        <double>     ...V.... Assume the first PTS should be this value. (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
      round             <int>        ..FV.... set rounding method for timestamps (from 0 to 5) (default 5)
         zero                         ..FV.... round towards 0
         inf                          ..FV.... round away from 0
         down                         ..FV.... round towards -infty
         up                           ..FV.... round towards +infty
         near                         ..FV.... round to nearest
    
    framepack AVOptions:
      -format            <int>        ...V.... Frame pack output format (from 0 to INT_MAX) (default 1)
         sbs                          ...V.... Views are packed next to each other
         tab                          ...V.... Views are packed on top of each other
         frameseq                     ...V.... Views are one after the other
         lines                        ...V.... Views are interleaved by lines
         columns                      ...V.... Views are interleaved by columns
    
    framerate AVOptions:
      fps               <video_rate> ..FV.... required output frames per second rate (default "50")
      interp_start      <int>        ..FV.... point to start linear interpolation (from 0 to 255) (default 15)
      interp_end        <int>        ..FV.... point to end linear interpolation (from 0 to 255) (default 240)
      scene             <double>     ..FV.... scene change level (from 0 to INT_MAX) (default 7)
      flags             <flags>      ..FV.... set flags (default 1)
         scene_change_detect              ..FV.... enable scene change detection
         scd                          ..FV.... enable scene change detection
    
    framestep AVOptions:
      step              <int>        ..FV.... set frame step (from 1 to INT_MAX) (default 1)
    
    gradfun AVOptions:
      strength          <float>      ..FV.... The maximum amount by which the filter will change any one pixel. (from 0.51 to 64) (default 1.2)
      radius            <int>        ..FV.... The neighborhood to fit the gradient to. (from 4 to 32) (default 16)
    
    haldclut AVOptions:
      shortest          <int>        ..FV.... force termination when the shortest input terminates (from 0 to 1) (default 0)
      repeatlast        <int>        ..FV.... continue applying the last clut after eos (from 0 to 1) (default 1)
      interp            <int>        ..FV.... select interpolation mode (from 0 to 2) (default 2)
         nearest                      ..FV.... use values from the nearest defined points
         trilinear                    ..FV.... interpolate values using the 8 points defining a cube
         tetrahedral                  ..FV.... interpolate values using a tetrahedron
    
    histogram AVOptions:
      mode              <int>        ..FV.... set histogram mode (from 0 to 3) (default 0)
         levels                       ..FV.... standard histogram
         waveform                     ..FV.... per row/column luminance graph
         color                        ..FV.... chroma values in vectorscope
         color2                       ..FV.... chroma values in vectorscope
      level_height      <int>        ..FV.... set level height (from 50 to 2048) (default 200)
      scale_height      <int>        ..FV.... set scale height (from 0 to 40) (default 12)
      step              <int>        ..FV.... set waveform step value (from 1 to 255) (default 10)
      waveform_mode     <int>        ..FV.... set waveform mode (from 0 to 1) (default 0)
         row                          ..FV....
         column                       ..FV....
      waveform_mirror   <int>        ..FV.... set waveform mirroring (from 0 to 1) (default 0)
      display_mode      <int>        ..FV.... set display mode (from 0 to 1) (default 1)
         parade                       ..FV....
         overlay                      ..FV....
      levels_mode       <int>        ..FV.... set levels mode (from 0 to 1) (default 0)
         linear                       ..FV....
         logarithmic                  ..FV....
      components        <int>        ..FV.... set color components to display (from 1 to 15) (default 7)
    
    hqx AVOptions:
      n                 <int>        ..FV.... set scale factor (from 2 to 4) (default 3)
    
    hstack AVOptions:
      inputs            <int>        ..FV.... set number of inputs (from 2 to INT_MAX) (default 2)
    
    hue AVOptions:
      h                 <string>     ..FV.... set the hue angle degrees expression
      s                 <string>     ..FV.... set the saturation expression (default "1")
      H                 <string>     ..FV.... set the hue angle radians expression
      b                 <string>     ..FV.... set the brightness expression (default "0")
    
    idet AVOptions:
      intl_thres        <float>      ..FV.... set interlacing threshold (from -1 to FLT_MAX) (default 1.04)
      prog_thres        <float>      ..FV.... set progressive threshold (from -1 to FLT_MAX) (default 1.5)
      rep_thres         <float>      ..FV.... set repeat threshold (from -1 to FLT_MAX) (default 3)
      half_life         <float>      ..FV.... half life of cumulative statistics (from -1 to INT_MAX) (default 0)
      analyze_interlaced_flag <int>        ..FV.... set number of frames to use to determine if the interlace flag is accurate (from 0 to INT_MAX) (default 0)
    
    il AVOptions:
      luma_mode         <int>        ..FV.... select luma mode (from 0 to 2) (default 0)
         none                         ..FV....
         interleave                   ..FV....
         i                            ..FV....
         deinterleave                 ..FV....
         d                            ..FV....
      l                 <int>        ..FV.... select luma mode (from 0 to 2) (default 0)
         none                         ..FV....
         interleave                   ..FV....
         i                            ..FV....
         deinterleave                 ..FV....
         d                            ..FV....
      chroma_mode       <int>        ..FV.... select chroma mode (from 0 to 2) (default 0)
         none                         ..FV....
         interleave                   ..FV....
         i                            ..FV....
         deinterleave                 ..FV....
         d                            ..FV....
      c                 <int>        ..FV.... select chroma mode (from 0 to 2) (default 0)
         none                         ..FV....
         interleave                   ..FV....
         i                            ..FV....
         deinterleave                 ..FV....
         d                            ..FV....
      alpha_mode        <int>        ..FV.... select alpha mode (from 0 to 2) (default 0)
         none                         ..FV....
         interleave                   ..FV....
         i                            ..FV....
         deinterleave                 ..FV....
         d                            ..FV....
      a                 <int>        ..FV.... select alpha mode (from 0 to 2) (default 0)
         none                         ..FV....
         interleave                   ..FV....
         i                            ..FV....
         deinterleave                 ..FV....
         d                            ..FV....
      luma_swap         <int>        ..FV.... swap luma fields (from 0 to 1) (default 0)
      ls                <int>        ..FV.... swap luma fields (from 0 to 1) (default 0)
      chroma_swap       <int>        ..FV.... swap chroma fields (from 0 to 1) (default 0)
      cs                <int>        ..FV.... swap chroma fields (from 0 to 1) (default 0)
      alpha_swap        <int>        ..FV.... swap alpha fields (from 0 to 1) (default 0)
      as                <int>        ..FV.... swap alpha fields (from 0 to 1) (default 0)
    
    inflate AVOptions:
      threshold0        <int>        ..FV.... set threshold for 1st plane (from 0 to 65535) (default 65535)
      threshold1        <int>        ..FV.... set threshold for 2nd plane (from 0 to 65535) (default 65535)
      threshold2        <int>        ..FV.... set threshold for 3rd plane (from 0 to 65535) (default 65535)
      threshold3        <int>        ..FV.... set threshold for 4th plane (from 0 to 65535) (default 65535)
    
    interleave AVOptions:
      nb_inputs         <int>        ..FV.... set number of inputs (from 1 to INT_MAX) (default 2)
      n                 <int>        ..FV.... set number of inputs (from 1 to INT_MAX) (default 2)
    
    lenscorrection AVOptions:
      cx                <double>     ..FV.... set relative center x (from 0 to 1) (default 0.5)
      cy                <double>     ..FV.... set relative center y (from 0 to 1) (default 0.5)
      k1                <double>     ..FV.... set quadratic distortion factor (from -1 to 1) (default 0)
      k2                <double>     ..FV.... set double quadratic distortion factor (from -1 to 1) (default 0)
    
    lut3d AVOptions:
      file              <string>     ..FV.... set 3D LUT file name
      interp            <int>        ..FV.... select interpolation mode (from 0 to 2) (default 2)
         nearest                      ..FV.... use values from the nearest defined points
         trilinear                    ..FV.... interpolate values using the 8 points defining a cube
         tetrahedral                  ..FV.... interpolate values using a tetrahedron
    
    lut AVOptions:
      c0                <string>     ..FV.... set component #0 expression (default "val")
      c1                <string>     ..FV.... set component #1 expression (default "val")
      c2                <string>     ..FV.... set component #2 expression (default "val")
      c3                <string>     ..FV.... set component #3 expression (default "val")
      y                 <string>     ..FV.... set Y expression (default "val")
      u                 <string>     ..FV.... set U expression (default "val")
      v                 <string>     ..FV.... set V expression (default "val")
      r                 <string>     ..FV.... set R expression (default "val")
      g                 <string>     ..FV.... set G expression (default "val")
      b                 <string>     ..FV.... set B expression (default "val")
      a                 <string>     ..FV.... set A expression (default "val")
    
    lutrgb AVOptions:
      c0                <string>     ..FV.... set component #0 expression (default "val")
      c1                <string>     ..FV.... set component #1 expression (default "val")
      c2                <string>     ..FV.... set component #2 expression (default "val")
      c3                <string>     ..FV.... set component #3 expression (default "val")
      y                 <string>     ..FV.... set Y expression (default "val")
      u                 <string>     ..FV.... set U expression (default "val")
      v                 <string>     ..FV.... set V expression (default "val")
      r                 <string>     ..FV.... set R expression (default "val")
      g                 <string>     ..FV.... set G expression (default "val")
      b                 <string>     ..FV.... set B expression (default "val")
      a                 <string>     ..FV.... set A expression (default "val")
    
    lutyuv AVOptions:
      c0                <string>     ..FV.... set component #0 expression (default "val")
      c1                <string>     ..FV.... set component #1 expression (default "val")
      c2                <string>     ..FV.... set component #2 expression (default "val")
      c3                <string>     ..FV.... set component #3 expression (default "val")
      y                 <string>     ..FV.... set Y expression (default "val")
      u                 <string>     ..FV.... set U expression (default "val")
      v                 <string>     ..FV.... set V expression (default "val")
      r                 <string>     ..FV.... set R expression (default "val")
      g                 <string>     ..FV.... set G expression (default "val")
      b                 <string>     ..FV.... set B expression (default "val")
      a                 <string>     ..FV.... set A expression (default "val")
    
    mergeplanes AVOptions:
      mapping           <int>        ..FV.... set input to output plane mapping (from 0 to 8.58993e+08) (default 0)
      format            <pix_fmt>    ..FV.... set output pixel format (default yuva444p)
    
    negate AVOptions:
      negate_alpha      <int>        ..FV.... (from 0 to 1) (default 0)
    
    noformat AVOptions:
      -pix_fmts          <string>     ...V.... A '|'-separated list of pixel formats
    
    noise AVOptions:
      all_seed          <int>        ..FV.... set component #0 noise seed (from -1 to INT_MAX) (default -1)
      all_strength      <int>        ..FV.... set component #0 strength (from 0 to 100) (default 0)
      alls              <int>        ..FV.... set component #0 strength (from 0 to 100) (default 0)
      all_flags         <flags>      ..FV.... set component #0 flags (default 0)
         a                            ..FV.... averaged noise
         p                            ..FV.... (semi)regular pattern
         t                            ..FV.... temporal noise
         u                            ..FV.... uniform noise
      allf              <flags>      ..FV.... set component #0 flags (default 0)
         a                            ..FV.... averaged noise
         p                            ..FV.... (semi)regular pattern
         t                            ..FV.... temporal noise
         u                            ..FV.... uniform noise
      c0_seed           <int>        ..FV.... set component #0 noise seed (from -1 to INT_MAX) (default -1)
      c0_strength       <int>        ..FV.... set component #0 strength (from 0 to 100) (default 0)
      c0s               <int>        ..FV.... set component #0 strength (from 0 to 100) (default 0)
      c0_flags          <flags>      ..FV.... set component #0 flags (default 0)
         a                            ..FV.... averaged noise
         p                            ..FV.... (semi)regular pattern
         t                            ..FV.... temporal noise
         u                            ..FV.... uniform noise
      c0f               <flags>      ..FV.... set component #0 flags (default 0)
         a                            ..FV.... averaged noise
         p                            ..FV.... (semi)regular pattern
         t                            ..FV.... temporal noise
         u                            ..FV.... uniform noise
      c1_seed           <int>        ..FV.... set component #1 noise seed (from -1 to INT_MAX) (default -1)
      c1_strength       <int>        ..FV.... set component #1 strength (from 0 to 100) (default 0)
      c1s               <int>        ..FV.... set component #1 strength (from 0 to 100) (default 0)
      c1_flags          <flags>      ..FV.... set component #1 flags (default 0)
         a                            ..FV.... averaged noise
         p                            ..FV.... (semi)regular pattern
         t                            ..FV.... temporal noise
         u                            ..FV.... uniform noise
      c1f               <flags>      ..FV.... set component #1 flags (default 0)
         a                            ..FV.... averaged noise
         p                            ..FV.... (semi)regular pattern
         t                            ..FV.... temporal noise
         u                            ..FV.... uniform noise
      c2_seed           <int>        ..FV.... set component #2 noise seed (from -1 to INT_MAX) (default -1)
      c2_strength       <int>        ..FV.... set component #2 strength (from 0 to 100) (default 0)
      c2s               <int>        ..FV.... set component #2 strength (from 0 to 100) (default 0)
      c2_flags          <flags>      ..FV.... set component #2 flags (default 0)
         a                            ..FV.... averaged noise
         p                            ..FV.... (semi)regular pattern
         t                            ..FV.... temporal noise
         u                            ..FV.... uniform noise
      c2f               <flags>      ..FV.... set component #2 flags (default 0)
         a                            ..FV.... averaged noise
         p                            ..FV.... (semi)regular pattern
         t                            ..FV.... temporal noise
         u                            ..FV.... uniform noise
      c3_seed           <int>        ..FV.... set component #3 noise seed (from -1 to INT_MAX) (default -1)
      c3_strength       <int>        ..FV.... set component #3 strength (from 0 to 100) (default 0)
      c3s               <int>        ..FV.... set component #3 strength (from 0 to 100) (default 0)
      c3_flags          <flags>      ..FV.... set component #3 flags (default 0)
         a                            ..FV.... averaged noise
         p                            ..FV.... (semi)regular pattern
         t                            ..FV.... temporal noise
         u                            ..FV.... uniform noise
      c3f               <flags>      ..FV.... set component #3 flags (default 0)
         a                            ..FV.... averaged noise
         p                            ..FV.... (semi)regular pattern
         t                            ..FV.... temporal noise
         u                            ..FV.... uniform noise
    
    overlay AVOptions:
      x                 <string>     ..FV.... set the x expression (default "0")
      y                 <string>     ..FV.... set the y expression (default "0")
      eof_action        <int>        ..FV.... Action to take when encountering EOF from secondary input  (from 0 to 2) (default 0)
         repeat                       ..FV.... Repeat the previous frame.
         endall                       ..FV.... End both streams.
         pass                         ..FV.... Pass through the main input.
      eval              <int>        ..FV.... specify when to evaluate expressions (from 0 to 1) (default 1)
         init                         ..FV.... eval expressions once during initialization
         frame                        ..FV.... eval expressions per-frame
      rgb               <int>        ..FV.... force packed RGB in input and output (deprecated) (from 0 to 1) (default 0)
      shortest          <int>        ..FV.... force termination when the shortest input terminates (from 0 to 1) (default 0)
      format            <int>        ..FV.... set output format (from 0 to 3) (default 0)
         yuv420                       ..FV.... 
         yuv422                       ..FV.... 
         yuv444                       ..FV.... 
         rgb                          ..FV.... 
      repeatlast        <int>        ..FV.... repeat overlay of the last overlay frame (from 0 to 1) (default 1)
    
    pad AVOptions:
      width             <string>     ..FV.... set the pad area width expression (default "iw")
      w                 <string>     ..FV.... set the pad area width expression (default "iw")
      height            <string>     ..FV.... set the pad area height expression (default "ih")
      h                 <string>     ..FV.... set the pad area height expression (default "ih")
      x                 <string>     ..FV.... set the x offset expression for the input image position (default "0")
      y                 <string>     ..FV.... set the y offset expression for the input image position (default "0")
      color             <color>      ..FV.... set the color of the padded area border (default "black")
    
    palettegen AVOptions:
      max_colors        <int>        ..FV.... set the maximum number of colors to use in the palette (from 4 to 256) (default 256)
      reserve_transparent <int>        ..FV.... reserve a palette entry for transparency (from 0 to 1) (default 1)
      stats_mode        <int>        ..FV.... set statistics mode (from 0 to 2) (default 0)
         full                         ..FV.... compute full frame histograms
         diff                         ..FV.... compute histograms only for the part that differs from previous frame
    
    paletteuse AVOptions:
      dither            <int>        ..FV.... select dithering mode (from 0 to 5) (default 5)
         bayer                        ..FV.... ordered 8x8 bayer dithering (deterministic)
         heckbert                     ..FV.... dithering as defined by Paul Heckbert in 1982 (simple error diffusion)
         floyd_steinberg              ..FV.... Floyd and Steingberg dithering (error diffusion)
         sierra2                      ..FV.... Frankie Sierra dithering v2 (error diffusion)
         sierra2_4a                   ..FV.... Frankie Sierra dithering v2 "Lite" (error diffusion)
      bayer_scale       <int>        ..FV.... set scale for bayer dithering (from 0 to 5) (default 2)
      diff_mode         <int>        ..FV.... set frame difference mode (from 0 to 1) (default 0)
         rectangle                    ..FV.... process smallest different rectangle
      debug_kdtree      <string>     ..FV.... save Graphviz graph of the kdtree in specified file
      color_search      <int>        ..FV.... set reverse colormap color search method (from 0 to 2) (default 0)
         nns_iterative                ..FV.... iterative search
         nns_recursive                ..FV.... recursive search
         bruteforce                   ..FV.... brute-force into the palette
      mean_err          <int>        ..FV.... compute and print mean error (from 0 to 1) (default 0)
      debug_accuracy    <flags>      ..FV.... test color search accuracy (default 0)
    
    perms AVOptions:
      mode              <int>        ..FVA... select permissions mode (from 0 to 4) (default 0)
         none                         ..FVA... do nothing
         ro                           ..FVA... set all output frames read-only
         rw                           ..FVA... set all output frames writable
         toggle                       ..FVA... switch permissions
         random                       ..FVA... set permissions randomly
      seed              <int64>      ..FVA... set the seed for the random mode (from -1 to UINT32_MAX) (default -1)
    
    psnr AVOptions:
      stats_file        <string>     ..FV.... Set file where to store per-frame difference information
      f                 <string>     ..FV.... Set file where to store per-frame difference information
    
    qp AVOptions:
      qp                <string>     ..FV.... set qp expression
    
    random AVOptions:
      frames            <int>        ..FV.... set number of frames in cache (from 2 to 512) (default 30)
      seed              <int64>      ..FV.... set the seed (from -1 to UINT32_MAX) (default -1)
    
    removegrain AVOptions:
      m0                <int>        ..FV.... set mode for 1st plane (from 0 to 24) (default 0)
      m1                <int>        ..FV.... set mode for 2nd plane (from 0 to 24) (default 0)
      m2                <int>        ..FV.... set mode for 3rd plane (from 0 to 24) (default 0)
      m3                <int>        ..FV.... set mode for 4th plane (from 0 to 24) (default 0)
    
    removelogo AVOptions:
      filename          <string>     ..FV.... set bitmap filename
      f                 <string>     ..FV.... set bitmap filename
    
    rotate AVOptions:
      angle             <string>     ..FV.... set angle (in radians) (default "0")
      a                 <string>     ..FV.... set angle (in radians) (default "0")
      out_w             <string>     ..FV.... set output width expression (default "iw")
      ow                <string>     ..FV.... set output width expression (default "iw")
      out_h             <string>     ..FV.... set output height expression (default "ih")
      oh                <string>     ..FV.... set output height expression (default "ih")
      fillcolor         <string>     ..FV.... set background fill color (default "black")
      c                 <string>     ..FV.... set background fill color (default "black")
      bilinear          <int>        ..FV.... use bilinear interpolation (from 0 to 1) (default 1)
    
    scale AVOptions:
      w                 <string>     ..FV.... Output video width
      width             <string>     ..FV.... Output video width
      h                 <string>     ..FV.... Output video height
      height            <string>     ..FV.... Output video height
      flags             <string>     ..FV.... Flags to pass to libswscale (default "bilinear")
      interl            <int>        ..FV.... set interlacing (from -1 to 1) (default 0)
      in_color_matrix   <string>     ..FV.... set input YCbCr type (default "auto")
      out_color_matrix  <string>     ..FV.... set output YCbCr type
      in_range          <int>        ..FV.... set input color range (from 0 to 2) (default 0)
         auto                         ..FV....
         full                         ..FV....
         jpeg                         ..FV....
         mpeg                         ..FV....
         tv                           ..FV....
         pc                           ..FV....
      out_range         <int>        ..FV.... set output color range (from 0 to 2) (default 0)
         auto                         ..FV....
         full                         ..FV....
         jpeg                         ..FV....
         mpeg                         ..FV....
         tv                           ..FV....
         pc                           ..FV....
      in_v_chr_pos      <int>        ..FV.... input vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
      in_h_chr_pos      <int>        ..FV.... input horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
      out_v_chr_pos     <int>        ..FV.... output vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
      out_h_chr_pos     <int>        ..FV.... output horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
      force_original_aspect_ratio <int>        ..FV.... decrease or increase w/h if necessary to keep the original AR (from 0 to 2) (default 0)
         disable                      ..FV....
         decrease                     ..FV....
         increase                     ..FV....
      param0            <double>     ..FV.... Scaler param 0 (from INT_MIN to INT_MAX) (default 123456)
      param1            <double>     ..FV.... Scaler param 1 (from INT_MIN to INT_MAX) (default 123456)
    
    SWScaler AVOptions:
      -sws_flags         <flags>      E..V.... scaler flags (default 4)
         fast_bilinear                E..V.... fast bilinear
         bilinear                     E..V.... bilinear
         bicubic                      E..V.... bicubic
         experimental                 E..V.... experimental
         neighbor                     E..V.... nearest neighbor
         area                         E..V.... averaging area
         bicublin                     E..V.... luma bicubic, chroma bilinear
         gauss                        E..V.... gaussian
         sinc                         E..V.... sinc
         lanczos                      E..V.... lanczos
         spline                       E..V.... natural bicubic spline
         print_info                   E..V.... print info
         accurate_rnd                 E..V.... accurate rounding
         full_chroma_int              E..V.... full chroma interpolation
         full_chroma_inp              E..V.... full chroma input
         bitexact                     E..V.... 
         error_diffusion              E..V.... error diffusion dither
      -srcw              <int>        E..V.... source width (from 1 to INT_MAX) (default 16)
      -srch              <int>        E..V.... source height (from 1 to INT_MAX) (default 16)
      -dstw              <int>        E..V.... destination width (from 1 to INT_MAX) (default 16)
      -dsth              <int>        E..V.... destination height (from 1 to INT_MAX) (default 16)
      -src_format        <int>        E..V.... source format (from 0 to 339) (default 0)
      -dst_format        <int>        E..V.... destination format (from 0 to 339) (default 0)
      -src_range         <int>        E..V.... source range (from 0 to 1) (default 0)
      -dst_range         <int>        E..V.... destination range (from 0 to 1) (default 0)
      -param0            <double>     E..V.... scaler param 0 (from INT_MIN to INT_MAX) (default 123456)
      -param1            <double>     E..V.... scaler param 1 (from INT_MIN to INT_MAX) (default 123456)
      -src_v_chr_pos     <int>        E..V.... source vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
      -src_h_chr_pos     <int>        E..V.... source horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
      -dst_v_chr_pos     <int>        E..V.... destination vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
      -dst_h_chr_pos     <int>        E..V.... destination horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
      -sws_dither        <int>        E..V.... set dithering algorithm (from 0 to 6) (default 1)
         auto                         E..V.... leave choice to sws
         bayer                        E..V.... bayer dither
         ed                           E..V.... error diffusion
         a_dither                     E..V.... arithmetic addition dither
         x_dither                     E..V.... arithmetic xor dither
      -gamma             <int>        E..V.... gamma correct scaling (from 0 to INT_MAX) (default 0)
         true                         E..V.... enable
         false                        E..V.... disable
      -alphablend        <int>        E..V.... mode for alpha -> non alpha (from 0 to 2) (default 0)
         none                         E..V.... ignore alpha
         uniform_color                E..V.... blend onto a uniform color
         checkerboard                 E..V.... blend onto a checkerboard
    
    scale2ref AVOptions:
      w                 <string>     ..FV.... Output video width
      width             <string>     ..FV.... Output video width
      h                 <string>     ..FV.... Output video height
      height            <string>     ..FV.... Output video height
      flags             <string>     ..FV.... Flags to pass to libswscale (default "bilinear")
      interl            <int>        ..FV.... set interlacing (from -1 to 1) (default 0)
      in_color_matrix   <string>     ..FV.... set input YCbCr type (default "auto")
      out_color_matrix  <string>     ..FV.... set output YCbCr type
      in_range          <int>        ..FV.... set input color range (from 0 to 2) (default 0)
         auto                         ..FV....
         full                         ..FV....
         jpeg                         ..FV....
         mpeg                         ..FV....
         tv                           ..FV....
         pc                           ..FV....
      out_range         <int>        ..FV.... set output color range (from 0 to 2) (default 0)
         auto                         ..FV....
         full                         ..FV....
         jpeg                         ..FV....
         mpeg                         ..FV....
         tv                           ..FV....
         pc                           ..FV....
      in_v_chr_pos      <int>        ..FV.... input vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
      in_h_chr_pos      <int>        ..FV.... input horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
      out_v_chr_pos     <int>        ..FV.... output vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
      out_h_chr_pos     <int>        ..FV.... output horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
      force_original_aspect_ratio <int>        ..FV.... decrease or increase w/h if necessary to keep the original AR (from 0 to 2) (default 0)
         disable                      ..FV....
         decrease                     ..FV....
         increase                     ..FV....
      param0            <double>     ..FV.... Scaler param 0 (from INT_MIN to INT_MAX) (default 123456)
      param1            <double>     ..FV.... Scaler param 1 (from INT_MIN to INT_MAX) (default 123456)
    
    SWScaler AVOptions:
      -sws_flags         <flags>      E..V.... scaler flags (default 4)
         fast_bilinear                E..V.... fast bilinear
         bilinear                     E..V.... bilinear
         bicubic                      E..V.... bicubic
         experimental                 E..V.... experimental
         neighbor                     E..V.... nearest neighbor
         area                         E..V.... averaging area
         bicublin                     E..V.... luma bicubic, chroma bilinear
         gauss                        E..V.... gaussian
         sinc                         E..V.... sinc
         lanczos                      E..V.... lanczos
         spline                       E..V.... natural bicubic spline
         print_info                   E..V.... print info
         accurate_rnd                 E..V.... accurate rounding
         full_chroma_int              E..V.... full chroma interpolation
         full_chroma_inp              E..V.... full chroma input
         bitexact                     E..V.... 
         error_diffusion              E..V.... error diffusion dither
      -srcw              <int>        E..V.... source width (from 1 to INT_MAX) (default 16)
      -srch              <int>        E..V.... source height (from 1 to INT_MAX) (default 16)
      -dstw              <int>        E..V.... destination width (from 1 to INT_MAX) (default 16)
      -dsth              <int>        E..V.... destination height (from 1 to INT_MAX) (default 16)
      -src_format        <int>        E..V.... source format (from 0 to 339) (default 0)
      -dst_format        <int>        E..V.... destination format (from 0 to 339) (default 0)
      -src_range         <int>        E..V.... source range (from 0 to 1) (default 0)
      -dst_range         <int>        E..V.... destination range (from 0 to 1) (default 0)
      -param0            <double>     E..V.... scaler param 0 (from INT_MIN to INT_MAX) (default 123456)
      -param1            <double>     E..V.... scaler param 1 (from INT_MIN to INT_MAX) (default 123456)
      -src_v_chr_pos     <int>        E..V.... source vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
      -src_h_chr_pos     <int>        E..V.... source horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
      -dst_v_chr_pos     <int>        E..V.... destination vertical chroma position in luma grid/256 (from -513 to 512) (default -513)
      -dst_h_chr_pos     <int>        E..V.... destination horizontal chroma position in luma grid/256 (from -513 to 512) (default -513)
      -sws_dither        <int>        E..V.... set dithering algorithm (from 0 to 6) (default 1)
         auto                         E..V.... leave choice to sws
         bayer                        E..V.... bayer dither
         ed                           E..V.... error diffusion
         a_dither                     E..V.... arithmetic addition dither
         x_dither                     E..V.... arithmetic xor dither
      -gamma             <int>        E..V.... gamma correct scaling (from 0 to INT_MAX) (default 0)
         true                         E..V.... enable
         false                        E..V.... disable
      -alphablend        <int>        E..V.... mode for alpha -> non alpha (from 0 to 2) (default 0)
         none                         E..V.... ignore alpha
         uniform_color                E..V.... blend onto a uniform color
         checkerboard                 E..V.... blend onto a checkerboard
    
    select AVOptions:
      expr              <string>     ..FV.... set an expression to use for selecting frames (default "1")
      e                 <string>     ..FV.... set an expression to use for selecting frames (default "1")
      outputs           <int>        ..FV.... set the number of outputs (from 1 to INT_MAX) (default 1)
      n                 <int>        ..FV.... set the number of outputs (from 1 to INT_MAX) (default 1)
    
    sendcmd AVOptions:
      commands          <string>     ..FVA... set commands
      c                 <string>     ..FVA... set commands
      filename          <string>     ..FVA... set commands file
      f                 <string>     ..FVA... set commands file
    
    setdar AVOptions:
      dar               <string>     ..FV.... set display aspect ratio (default "0")
      ratio             <string>     ..FV.... set display aspect ratio (default "0")
      r                 <string>     ..FV.... set display aspect ratio (default "0")
      dar_den           <float>      ..FV.... (from 0 to FLT_MAX) (default 0)
      max               <int>        ..FV.... set max value for nominator or denominator in the ratio (from 1 to INT_MAX) (default 100)
    
    setfield AVOptions:
      mode              <int>        ..FV.... select interlace mode (from -1 to 2) (default -1)
         auto                         ..FV.... keep the same input field
         bff                          ..FV.... mark as bottom-field-first
         tff                          ..FV.... mark as top-field-first
         prog                         ..FV.... mark as progressive
    
    setpts AVOptions:
      expr              <string>     ..FVA... Expression determining the frame timestamp (default "PTS")
    
    setsar AVOptions:
      sar               <string>     ..FV.... set sample (pixel) aspect ratio (default "0")
      ratio             <string>     ..FV.... set sample (pixel) aspect ratio (default "0")
      r                 <string>     ..FV.... set sample (pixel) aspect ratio (default "0")
      sar_den           <float>      ..FV.... (from 0 to FLT_MAX) (default 0)
      max               <int>        ..FV.... set max value for nominator or denominator in the ratio (from 1 to INT_MAX) (default 100)
    
    settb AVOptions:
      expr              <string>     ..FV.... set expression determining the output timebase (default "intb")
      tb                <string>     ..FV.... set expression determining the output timebase (default "intb")
    
    showpalette AVOptions:
      s                 <int>        ..FV.... set pixel box size (from 1 to 100) (default 30)
    
    shuffleplanes AVOptions:
      map0              <int>        ..FV.... Index of the input plane to be used as the first output plane  (from 0 to 4) (default 0)
      map1              <int>        ..FV.... Index of the input plane to be used as the second output plane  (from 0 to 4) (default 1)
      map2              <int>        ..FV.... Index of the input plane to be used as the third output plane  (from 0 to 4) (default 2)
      map3              <int>        ..FV.... Index of the input plane to be used as the fourth output plane  (from 0 to 4) (default 3)
    
    signalstats AVOptions:
      stat              <flags>      ..FV.... set statistics filters (default 0)
         tout                         ..FV.... analyze pixels for temporal outliers
         vrep                         ..FV.... analyze video lines for vertical line repetition
         brng                         ..FV.... analyze for pixels outside of broadcast range
      out               <int>        ..FV.... set video filter (from -1 to 2) (default -1)
         tout                         ..FV.... highlight pixels that depict temporal outliers
         vrep                         ..FV.... highlight video lines that depict vertical line repetition
         brng                         ..FV.... highlight pixels that are outside of broadcast range
      c                 <color>      ..FV.... set highlight color (default "yellow")
      color             <color>      ..FV.... set highlight color (default "yellow")
    
    split AVOptions:
      -outputs           <int>        ...VA... set number of outputs (from 1 to INT_MAX) (default 2)
    
    ssim AVOptions:
      stats_file        <string>     ..FV.... Set file where to store per-frame difference information
      f                 <string>     ..FV.... Set file where to store per-frame difference information
    
    tblend AVOptions:
      c0_mode           <int>        ..FV.... set component #0 blend mode (from 0 to 27) (default 0)
         addition                     ..FV.... 
         and                          ..FV.... 
         average                      ..FV.... 
         burn                         ..FV.... 
         darken                       ..FV.... 
         difference                   ..FV.... 
         difference128                ..FV.... 
         divide                       ..FV.... 
         dodge                        ..FV.... 
         exclusion                    ..FV.... 
         glow                         ..FV.... 
         hardlight                    ..FV.... 
         hardmix                      ..FV.... 
         lighten                      ..FV.... 
         linearlight                  ..FV.... 
         multiply                     ..FV.... 
         negation                     ..FV.... 
         normal                       ..FV.... 
         or                           ..FV.... 
         overlay                      ..FV.... 
         phoenix                      ..FV.... 
         pinlight                     ..FV.... 
         reflect                      ..FV.... 
         screen                       ..FV.... 
         softlight                    ..FV.... 
         subtract                     ..FV.... 
         vividlight                   ..FV.... 
         xor                          ..FV.... 
      c1_mode           <int>        ..FV.... set component #1 blend mode (from 0 to 27) (default 0)
         addition                     ..FV.... 
         and                          ..FV.... 
         average                      ..FV.... 
         burn                         ..FV.... 
         darken                       ..FV.... 
         difference                   ..FV.... 
         difference128                ..FV.... 
         divide                       ..FV.... 
         dodge                        ..FV.... 
         exclusion                    ..FV.... 
         glow                         ..FV.... 
         hardlight                    ..FV.... 
         hardmix                      ..FV.... 
         lighten                      ..FV.... 
         linearlight                  ..FV.... 
         multiply                     ..FV.... 
         negation                     ..FV.... 
         normal                       ..FV.... 
         or                           ..FV.... 
         overlay                      ..FV.... 
         phoenix                      ..FV.... 
         pinlight                     ..FV.... 
         reflect                      ..FV.... 
         screen                       ..FV.... 
         softlight                    ..FV.... 
         subtract                     ..FV.... 
         vividlight                   ..FV.... 
         xor                          ..FV.... 
      c2_mode           <int>        ..FV.... set component #2 blend mode (from 0 to 27) (default 0)
         addition                     ..FV.... 
         and                          ..FV.... 
         average                      ..FV.... 
         burn                         ..FV.... 
         darken                       ..FV.... 
         difference                   ..FV.... 
         difference128                ..FV.... 
         divide                       ..FV.... 
         dodge                        ..FV.... 
         exclusion                    ..FV.... 
         glow                         ..FV.... 
         hardlight                    ..FV.... 
         hardmix                      ..FV.... 
         lighten                      ..FV.... 
         linearlight                  ..FV.... 
         multiply                     ..FV.... 
         negation                     ..FV.... 
         normal                       ..FV.... 
         or                           ..FV.... 
         overlay                      ..FV.... 
         phoenix                      ..FV.... 
         pinlight                     ..FV.... 
         reflect                      ..FV.... 
         screen                       ..FV.... 
         softlight                    ..FV.... 
         subtract                     ..FV.... 
         vividlight                   ..FV.... 
         xor                          ..FV.... 
      c3_mode           <int>        ..FV.... set component #3 blend mode (from 0 to 27) (default 0)
         addition                     ..FV.... 
         and                          ..FV.... 
         average                      ..FV.... 
         burn                         ..FV.... 
         darken                       ..FV.... 
         difference                   ..FV.... 
         difference128                ..FV.... 
         divide                       ..FV.... 
         dodge                        ..FV.... 
         exclusion                    ..FV.... 
         glow                         ..FV.... 
         hardlight                    ..FV.... 
         hardmix                      ..FV.... 
         lighten                      ..FV.... 
         linearlight                  ..FV.... 
         multiply                     ..FV.... 
         negation                     ..FV.... 
         normal                       ..FV.... 
         or                           ..FV.... 
         overlay                      ..FV.... 
         phoenix                      ..FV.... 
         pinlight                     ..FV.... 
         reflect                      ..FV.... 
         screen                       ..FV.... 
         softlight                    ..FV.... 
         subtract                     ..FV.... 
         vividlight                   ..FV.... 
         xor                          ..FV.... 
      all_mode          <int>        ..FV.... set blend mode for all components (from -1 to 27) (default -1)
         addition                     ..FV.... 
         and                          ..FV.... 
         average                      ..FV.... 
         burn                         ..FV.... 
         darken                       ..FV.... 
         difference                   ..FV.... 
         difference128                ..FV.... 
         divide                       ..FV.... 
         dodge                        ..FV.... 
         exclusion                    ..FV.... 
         glow                         ..FV.... 
         hardlight                    ..FV.... 
         hardmix                      ..FV.... 
         lighten                      ..FV.... 
         linearlight                  ..FV.... 
         multiply                     ..FV.... 
         negation                     ..FV.... 
         normal                       ..FV.... 
         or                           ..FV.... 
         overlay                      ..FV.... 
         phoenix                      ..FV.... 
         pinlight                     ..FV.... 
         reflect                      ..FV.... 
         screen                       ..FV.... 
         softlight                    ..FV.... 
         subtract                     ..FV.... 
         vividlight                   ..FV.... 
         xor                          ..FV.... 
      c0_expr           <string>     ..FV.... set color component #0 expression
      c1_expr           <string>     ..FV.... set color component #1 expression
      c2_expr           <string>     ..FV.... set color component #2 expression
      c3_expr           <string>     ..FV.... set color component #3 expression
      all_expr          <string>     ..FV.... set expression for all color components
      c0_opacity        <double>     ..FV.... set color component #0 opacity (from 0 to 1) (default 1)
      c1_opacity        <double>     ..FV.... set color component #1 opacity (from 0 to 1) (default 1)
      c2_opacity        <double>     ..FV.... set color component #2 opacity (from 0 to 1) (default 1)
      c3_opacity        <double>     ..FV.... set color component #3 opacity (from 0 to 1) (default 1)
      all_opacity       <double>     ..FV.... set opacity for all color components (from 0 to 1) (default 1)
    
    telecine AVOptions:
      first_field       <int>        ..FV.... select first field (from 0 to 1) (default 0)
         top                          ..FV.... select top field first
         t                            ..FV.... select top field first
         bottom                       ..FV.... select bottom field first
         b                            ..FV.... select bottom field first
      pattern           <string>     ..FV.... pattern that describe for how many fields a frame is to be displayed (default "23")
    
    thumbnail AVOptions:
      n                 <int>        ..FV.... set the frames batch size (from 2 to INT_MAX) (default 100)
    
    tile AVOptions:
      layout            <image_size> ..FV.... set grid size (default "6x5")
      nb_frames         <int>        ..FV.... set maximum number of frame to render (from 0 to INT_MAX) (default 0)
      margin            <int>        ..FV.... set outer border margin in pixels (from 0 to 1024) (default 0)
      padding           <int>        ..FV.... set inner border thickness in pixels (from 0 to 1024) (default 0)
      color             <color>      ..FV.... set the color of the unused area (default "black")
    
    transpose AVOptions:
      dir               <int>        ..FV.... set transpose direction (from 0 to 7) (default 0)
      passthrough       <int>        ..FV.... do not apply transposition if the input matches the specified geometry (from 0 to INT_MAX) (default 0)
         none                         ..FV.... always apply transposition
         portrait                     ..FV.... preserve portrait geometry
         landscape                    ..FV.... preserve landscape geometry
    
    trim AVOptions:
      starti            <duration>   ..FV.... Timestamp of the first frame that should be passed (default I64_MAX)
      endi              <duration>   ..FV.... Timestamp of the first frame that should be dropped again (default I64_MAX)
      start_pts         <int64>      ..FV.... Timestamp of the first frame that should be  passed (from I64_MIN to I64_MAX) (default I64_MIN)
      end_pts           <int64>      ..FV.... Timestamp of the first frame that should be dropped again (from I64_MIN to I64_MAX) (default I64_MIN)
      durationi         <duration>   ..FV.... Maximum duration of the output (default 0)
      start_frame       <int64>      ..FV.... Number of the first frame that should be passed to the output (from -1 to I64_MAX) (default -1)
      end_frame         <int64>      ..FV.... Number of the first frame that should be dropped again (from 0 to I64_MAX) (default I64_MAX)
      start             <double>     ..FV.... Timestamp in seconds of the first frame that should be passed (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
      end               <double>     ..FV.... Timestamp in seconds of the first frame that should be dropped again (from -DBL_MAX to DBL_MAX) (default DBL_MAX)
      duration          <double>     ..FV.... Maximum duration of the output in seconds (from 0 to DBL_MAX) (default 0)
    
    unsharp AVOptions:
      luma_msize_x      <int>        ..FV.... set luma matrix horizontal size (from 3 to 63) (default 5)
      lx                <int>        ..FV.... set luma matrix horizontal size (from 3 to 63) (default 5)
      luma_msize_y      <int>        ..FV.... set luma matrix vertical size (from 3 to 63) (default 5)
      ly                <int>        ..FV.... set luma matrix vertical size (from 3 to 63) (default 5)
      luma_amount       <float>      ..FV.... set luma effect strength (from -2 to 5) (default 1)
      la                <float>      ..FV.... set luma effect strength (from -2 to 5) (default 1)
      chroma_msize_x    <int>        ..FV.... set chroma matrix horizontal size (from 3 to 63) (default 5)
      cx                <int>        ..FV.... set chroma matrix horizontal size (from 3 to 63) (default 5)
      chroma_msize_y    <int>        ..FV.... set chroma matrix vertical size (from 3 to 63) (default 5)
      cy                <int>        ..FV.... set chroma matrix vertical size (from 3 to 63) (default 5)
      chroma_amount     <float>      ..FV.... set chroma effect strength (from -2 to 5) (default 0)
      ca                <float>      ..FV.... set chroma effect strength (from -2 to 5) (default 0)
      opencl            <int>        ..FV.... use OpenCL filtering capabilities (from 0 to 1) (default 0)
    
    vectorscope AVOptions:
      mode              <int>        ..FV.... set vectorscope mode (from 0 to 4) (default 0)
         gray                         ..FV....
         color                        ..FV....
         color2                       ..FV....
         color3                       ..FV....
         color4                       ..FV....
      m                 <int>        ..FV.... set vectorscope mode (from 0 to 4) (default 0)
         gray                         ..FV....
         color                        ..FV....
         color2                       ..FV....
         color3                       ..FV....
         color4                       ..FV....
      x                 <int>        ..FV.... set color component on X axis (from 0 to 2) (default 1)
      y                 <int>        ..FV.... set color component on Y axis (from 0 to 2) (default 2)
      intensity         <float>      ..FV.... set intensity (from 0 to 1) (default 0.004)
      i                 <float>      ..FV.... set intensity (from 0 to 1) (default 0.004)
      envelope          <int>        ..FV.... set envelope (from 0 to 3) (default 0)
         none                         ..FV....
         instant                      ..FV....
         peak                         ..FV....
         peak+instant                 ..FV....
      e                 <int>        ..FV.... set envelope (from 0 to 3) (default 0)
         none                         ..FV....
         instant                      ..FV....
         peak                         ..FV....
         peak+instant                 ..FV....
    
    vignette AVOptions:
      angle             <string>     ..FV.... set lens angle (default "PI/5")
      a                 <string>     ..FV.... set lens angle (default "PI/5")
      x0                <string>     ..FV.... set circle center position on x-axis (default "w/2")
      y0                <string>     ..FV.... set circle center position on y-axis (default "h/2")
      mode              <int>        ..FV.... set forward/backward mode (from 0 to 1) (default 0)
         forward                      ..FV....
         backward                     ..FV....
      eval              <int>        ..FV.... specify when to evaluate expressions (from 0 to 1) (default 0)
         init                         ..FV.... eval expressions once during initialization
         frame                        ..FV.... eval expressions for each frame
      dither            <int>        ..FV.... set dithering (from 0 to 1) (default 1)
      aspect            <rational>   ..FV.... set aspect ratio (from 0 to DBL_MAX) (default 1/1)
    
    vstack AVOptions:
      inputs            <int>        ..FV.... set number of inputs (from 2 to INT_MAX) (default 2)
    
    w3fdif AVOptions:
      filter            <int>        ..FV.... specify the filter (from 0 to 1) (default 1)
         simple                       ..FV....
         complex                      ..FV....
      deint             <int>        ..FV.... specify which frames to deinterlace (from 0 to 1) (default 0)
         all                          ..FV.... deinterlace all frames
         interlaced                   ..FV.... only deinterlace frames marked as interlaced
    
    waveform AVOptions:
      mode              <int>        ..FV.... set mode (from 0 to 1) (default 1)
         row                          ..FV....
         column                       ..FV....
      m                 <int>        ..FV.... set mode (from 0 to 1) (default 1)
         row                          ..FV....
         column                       ..FV....
      intensity         <float>      ..FV.... set intensity (from 0 to 1) (default 0.04)
      i                 <float>      ..FV.... set intensity (from 0 to 1) (default 0.04)
      mirror            <int>        ..FV.... set mirroring (from 0 to 1) (default 1)
      r                 <int>        ..FV.... set mirroring (from 0 to 1) (default 1)
      display           <int>        ..FV.... set display mode (from 0 to 1) (default 1)
         overlay                      ..FV....
         parade                       ..FV....
      d                 <int>        ..FV.... set display mode (from 0 to 1) (default 1)
         overlay                      ..FV....
         parade                       ..FV....
      components        <int>        ..FV.... set components to display (from 1 to 15) (default 1)
      c                 <int>        ..FV.... set components to display (from 1 to 15) (default 1)
      envelope          <int>        ..FV.... set envelope to display (from 0 to 3) (default 0)
         none                         ..FV....
         instant                      ..FV....
         peak                         ..FV....
         peak+instant                 ..FV....
      e                 <int>        ..FV.... set envelope to display (from 0 to 3) (default 0)
         none                         ..FV....
         instant                      ..FV....
         peak                         ..FV....
         peak+instant                 ..FV....
      filter            <int>        ..FV.... set filter (from 0 to 5) (default 0)
         lowpass                      ..FV....
         flat                         ..FV....
         aflat                        ..FV....
         chroma                       ..FV....
         achroma                      ..FV....
         color                        ..FV....
      f                 <int>        ..FV.... set filter (from 0 to 5) (default 0)
         lowpass                      ..FV....
         flat                         ..FV....
         aflat                        ..FV....
         chroma                       ..FV....
         achroma                      ..FV....
         color                        ..FV....
    
    xbr AVOptions:
      n                 <int>        ..FV.... set scale factor (from 2 to 4) (default 3)
    
    yadif AVOptions:
      mode              <int>        ..FV.... specify the interlacing mode (from 0 to 3) (default 0)
         send_frame                   ..FV.... send one frame for each frame
         send_field                   ..FV.... send one frame for each field
         send_frame_nospatial              ..FV.... send one frame for each frame, but skip spatial interlacing check
         send_field_nospatial              ..FV.... send one frame for each field, but skip spatial interlacing check
      parity            <int>        ..FV.... specify the assumed picture field parity (from -1 to 1) (default -1)
         tff                          ..FV.... assume top field first
         bff                          ..FV.... assume bottom field first
         auto                         ..FV.... auto detect parity
      deint             <int>        ..FV.... specify which frames to deinterlace (from 0 to 1) (default 0)
         all                          ..FV.... deinterlace all frames
         interlaced                   ..FV.... only deinterlace frames marked as interlaced
    
    zoompan AVOptions:
      zoom              <string>     ..FV.... set the zoom expression (default "1")
      z                 <string>     ..FV.... set the zoom expression (default "1")
      x                 <string>     ..FV.... set the x expression (default "0")
      y                 <string>     ..FV.... set the y expression (default "0")
      d                 <string>     ..FV.... set the duration expression (default "90")
      s                 <image_size> ..FV.... set the output image size (default "hd720")
    
    allrgb AVOptions:
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      duration          <duration>   ..FV.... set video duration (default -1)
      d                 <duration>   ..FV.... set video duration (default -1)
      sar               <rational>   ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
    
    allyuv AVOptions:
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      duration          <duration>   ..FV.... set video duration (default -1)
      d                 <duration>   ..FV.... set video duration (default -1)
      sar               <rational>   ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
    
    cellauto AVOptions:
      filename          <string>     ..FV.... read initial pattern from file
      f                 <string>     ..FV.... read initial pattern from file
      pattern           <string>     ..FV.... set initial pattern
      p                 <string>     ..FV.... set initial pattern
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      size              <image_size> ..FV.... set video size
      s                 <image_size> ..FV.... set video size
      rule              <int>        ..FV.... set rule (from 0 to 255) (default 110)
      random_fill_ratio <double>     ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
      ratio             <double>     ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
      random_seed       <int>        ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
      seed              <int>        ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
      scroll            <int>        ..FV.... scroll pattern downward (from 0 to 1) (default 1)
      start_full        <int>        ..FV.... start filling the whole video (from 0 to 1) (default 0)
      full              <int>        ..FV.... start filling the whole video (from 0 to 1) (default 1)
      stitch            <int>        ..FV.... stitch boundaries (from 0 to 1) (default 1)
    
    color AVOptions:
      color             <color>      ..FV.... set color (default "black")
      c                 <color>      ..FV.... set color (default "black")
      size              <image_size> ..FV.... set video size (default "320x240")
      s                 <image_size> ..FV.... set video size (default "320x240")
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      duration          <duration>   ..FV.... set video duration (default -1)
      d                 <duration>   ..FV.... set video duration (default -1)
      sar               <rational>   ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
    
    haldclutsrc AVOptions:
      level             <int>        ..FV.... set level (from 2 to 8) (default 6)
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      duration          <duration>   ..FV.... set video duration (default -1)
      d                 <duration>   ..FV.... set video duration (default -1)
      sar               <rational>   ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
    
    life AVOptions:
      filename          <string>     ..FV.... set source file
      f                 <string>     ..FV.... set source file
      size              <image_size> ..FV.... set video size
      s                 <image_size> ..FV.... set video size
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      rule              <string>     ..FV.... set rule (default "B3/S23")
      random_fill_ratio <double>     ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
      ratio             <double>     ..FV.... set fill ratio for filling initial grid randomly (from 0 to 1) (default 0.618034)
      random_seed       <int>        ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
      seed              <int>        ..FV.... set the seed for filling the initial grid randomly (from -1 to UINT32_MAX) (default -1)
      stitch            <int>        ..FV.... stitch boundaries (from 0 to 1) (default 1)
      mold              <int>        ..FV.... set mold speed for dead cells (from 0 to 255) (default 0)
      life_color        <color>      ..FV.... set life color (default "white")
      death_color       <color>      ..FV.... set death color (default "black")
      mold_color        <color>      ..FV.... set mold color (default "black")
    
    mandelbrot AVOptions:
      size              <image_size> ..FV.... set frame size (default "640x480")
      s                 <image_size> ..FV.... set frame size (default "640x480")
      rate              <video_rate> ..FV.... set frame rate (default "25")
      r                 <video_rate> ..FV.... set frame rate (default "25")
      maxiter           <int>        ..FV.... set max iterations number (from 1 to INT_MAX) (default 7189)
      start_x           <double>     ..FV.... set the initial x position (from -100 to 100) (default -0.743644)
      start_y           <double>     ..FV.... set the initial y position (from -100 to 100) (default -0.131826)
      start_scale       <double>     ..FV.... set the initial scale value (from 0 to FLT_MAX) (default 3)
      end_scale         <double>     ..FV.... set the terminal scale value (from 0 to FLT_MAX) (default 0.3)
      end_pts           <double>     ..FV.... set the terminal pts value (from 0 to I64_MAX) (default 400)
      bailout           <double>     ..FV.... set the bailout value (from 0 to FLT_MAX) (default 10)
      morphxf           <double>     ..FV.... set morph x frequency (from -FLT_MAX to FLT_MAX) (default 0.01)
      morphyf           <double>     ..FV.... set morph y frequency (from -FLT_MAX to FLT_MAX) (default 0.0123)
      morphamp          <double>     ..FV.... set morph amplitude (from -FLT_MAX to FLT_MAX) (default 0)
      outer             <int>        ..FV.... set outer coloring mode (from 0 to INT_MAX) (default 1)
         iteration_count              ..FV.... set iteration count mode
         normalized_iteration_count              ..FV.... set normalized iteration count mode
         white                        ..FV.... set white mode
         outz                         ..FV.... set outz mode
      inner             <int>        ..FV.... set inner coloring mode (from 0 to INT_MAX) (default 3)
         black                        ..FV.... set black mode
         period                       ..FV.... set period mode
         convergence                  ..FV.... show time until convergence
         mincol                       ..FV.... color based on point closest to the origin of the iterations
    
    nullsrc AVOptions:
      size              <image_size> ..FV.... set video size (default "320x240")
      s                 <image_size> ..FV.... set video size (default "320x240")
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      duration          <duration>   ..FV.... set video duration (default -1)
      d                 <duration>   ..FV.... set video duration (default -1)
      sar               <rational>   ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
    
    rgbtestsrc AVOptions:
      size              <image_size> ..FV.... set video size (default "320x240")
      s                 <image_size> ..FV.... set video size (default "320x240")
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      duration          <duration>   ..FV.... set video duration (default -1)
      d                 <duration>   ..FV.... set video duration (default -1)
      sar               <rational>   ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
    
    smptebars AVOptions:
      size              <image_size> ..FV.... set video size (default "320x240")
      s                 <image_size> ..FV.... set video size (default "320x240")
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      duration          <duration>   ..FV.... set video duration (default -1)
      d                 <duration>   ..FV.... set video duration (default -1)
      sar               <rational>   ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
    
    smptehdbars AVOptions:
      size              <image_size> ..FV.... set video size (default "320x240")
      s                 <image_size> ..FV.... set video size (default "320x240")
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      duration          <duration>   ..FV.... set video duration (default -1)
      d                 <duration>   ..FV.... set video duration (default -1)
      sar               <rational>   ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
    
    testsrc AVOptions:
      size              <image_size> ..FV.... set video size (default "320x240")
      s                 <image_size> ..FV.... set video size (default "320x240")
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      duration          <duration>   ..FV.... set video duration (default -1)
      d                 <duration>   ..FV.... set video duration (default -1)
      sar               <rational>   ..FV.... set video sample aspect ratio (from 0 to INT_MAX) (default 1/1)
      decimals          <int>        ..FV.... set number of decimals to show (from 0 to 17) (default 0)
      n                 <int>        ..FV.... set number of decimals to show (from 0 to 17) (default 0)
    
    adrawgraph AVOptions:
      m1                <string>     ..FV.... set 1st metadata key (default "")
      fg1               <string>     ..FV.... set 1st foreground color expression (default "0xffff0000")
      m2                <string>     ..FV.... set 2nd metadata key (default "")
      fg2               <string>     ..FV.... set 2nd foreground color expression (default "0xff00ff00")
      m3                <string>     ..FV.... set 3rd metadata key (default "")
      fg3               <string>     ..FV.... set 3rd foreground color expression (default "0xffff00ff")
      m4                <string>     ..FV.... set 4th metadata key (default "")
      fg4               <string>     ..FV.... set 4th foreground color expression (default "0xffffff00")
      bg                <color>      ..FV.... set background color (default "white")
      min               <float>      ..FV.... set minimal value (from INT_MIN to INT_MAX) (default -1)
      max               <float>      ..FV.... set maximal value (from INT_MIN to INT_MAX) (default 1)
      mode              <int>        ..FV.... set graph mode (from 0 to 2) (default 2)
         bar                          ..FV.... draw bars
         dot                          ..FV.... draw dots
         line                         ..FV.... draw lines
      slide             <int>        ..FV.... set slide mode (from 0 to 3) (default 0)
         frame                        ..FV.... draw new frames
         replace                      ..FV.... replace old columns with new
         scroll                       ..FV.... scroll from right to left
         rscroll                      ..FV.... scroll from left to right
      size              <image_size> ..FV.... set graph size (default "900x256")
      s                 <image_size> ..FV.... set graph size (default "900x256")
    
    aphasemeter AVOptions:
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      size              <image_size> ..FV.... set video size (default "800x400")
      s                 <image_size> ..FV.... set video size (default "800x400")
      rc                <int>        ..FV.... set red contrast (from 0 to 255) (default 2)
      gc                <int>        ..FV.... set green contrast (from 0 to 255) (default 7)
      bc                <int>        ..FV.... set blue contrast (from 0 to 255) (default 1)
      mpc               <string>     ..FV.... set median phase color (default "none")
    
    avectorscope AVOptions:
      mode              <int>        ..FV.... set mode (from 0 to 2) (default 0)
         lissajous                    ..FV.... 
         lissajous_xy                 ..FV.... 
         polar                        ..FV.... 
      m                 <int>        ..FV.... set mode (from 0 to 2) (default 0)
         lissajous                    ..FV.... 
         lissajous_xy                 ..FV.... 
         polar                        ..FV.... 
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      size              <image_size> ..FV.... set video size (default "400x400")
      s                 <image_size> ..FV.... set video size (default "400x400")
      rc                <int>        ..FV.... set red contrast (from 0 to 255) (default 40)
      gc                <int>        ..FV.... set green contrast (from 0 to 255) (default 160)
      bc                <int>        ..FV.... set blue contrast (from 0 to 255) (default 80)
      ac                <int>        ..FV.... set alpha contrast (from 0 to 255) (default 255)
      rf                <int>        ..FV.... set red fade (from 0 to 255) (default 15)
      gf                <int>        ..FV.... set green fade (from 0 to 255) (default 10)
      bf                <int>        ..FV.... set blue fade (from 0 to 255) (default 5)
      af                <int>        ..FV.... set alpha fade (from 0 to 255) (default 5)
      zoom              <double>     ..FV.... set zoom factor (from 1 to 10) (default 1)
    
    concat AVOptions:
      n                 <int>        ..FVA... specify the number of segments (from 1 to INT_MAX) (default 2)
      v                 <int>        ..FV.... specify the number of video streams (from 0 to INT_MAX) (default 1)
      a                 <int>        ..F.A... specify the number of audio streams (from 0 to INT_MAX) (default 0)
      unsafe            <int>        ..FVA... enable unsafe mode (from 0 to INT_MAX) (default 0)
    
    showcqt AVOptions:
      volume            <string>     ..FV.... set volume (default "16")
      tlength           <string>     ..FV.... set transform length (default "384/f*tc/(384/f+tc)")
      timeclamp         <double>     ..FV.... set timeclamp (from 0.1 to 1) (default 0.17)
      coeffclamp        <float>      ..FV.... set coeffclamp (from 0.1 to 10) (default 1)
      gamma             <float>      ..FV.... set gamma (from 1 to 7) (default 3)
      gamma2            <float>      ..FV.... set gamma of bargraph (from 1 to 7) (default 1)
      fullhd            <int>        ..FV.... set full HD resolution (from 0 to 1) (default 1)
      fps               <int>        ..FV.... set video fps (from 10 to 100) (default 25)
      count             <int>        ..FV.... set number of transform per frame (from 1 to 30) (default 6)
      fontfile          <string>     ..FV.... set font file
      fontcolor         <string>     ..FV.... set font color (default "st(0, (midi(f)-59.5)/12);st(1, if(between(ld(0),0,1), 0.5-0.5*cos(2*PI*ld(0)), 0));r(1-ld(1)) + b(ld(1))")
    
    showfreqs AVOptions:
      size              <image_size> ..FV.... set video size (default "1024x512")
      s                 <image_size> ..FV.... set video size (default "1024x512")
      mode              <int>        ..FV.... set display mode (from 0 to 2) (default 1)
         line                         ..FV.... show lines
         bar                          ..FV.... show bars
         dot                          ..FV.... show dots
      ascale            <int>        ..FV.... set amplitude scale (from 0 to 3) (default 3)
         lin                          ..FV.... linear
         sqrt                         ..FV.... square root
         cbrt                         ..FV.... cubic root
         log                          ..FV.... logarithmic
      fscale            <int>        ..FV.... set frequency scale (from 0 to 2) (default 0)
         lin                          ..FV.... linear
         log                          ..FV.... logarithmic
         rlog                         ..FV.... reverse logarithmic
      win_size          <int>        ..FV.... set window size (from 4 to 16) (default 11)
         w16                          ..FV....
         w32                          ..FV....
         w64                          ..FV....
         w128                         ..FV....
         w256                         ..FV....
         w512                         ..FV....
         w1024                        ..FV....
         w2048                        ..FV....
         w4096                        ..FV....
         w8192                        ..FV....
         w16384                       ..FV....
         w32768                       ..FV....
         w65536                       ..FV....
      win_func          <int>        ..FV.... set window function (from 0 to 11) (default 1)
         rect                         ..FV.... Rectangular
         bartlett                     ..FV.... Bartlett
         hanning                      ..FV.... Hanning
         hamming                      ..FV.... Hamming
         blackman                     ..FV.... Blackman
         welch                        ..FV.... Welch
         flattop                      ..FV.... Flat-top
         bharris                      ..FV.... Blackman-Harris
         bnuttall                     ..FV.... Blackman-Nuttall
         bhann                        ..FV.... Bartlett-Hann
         sine                         ..FV.... Sine
         nuttall                      ..FV.... Nuttall
      overlap           <float>      ..FV.... set window overlap (from 0 to 1) (default 1)
      averaging         <int>        ..FV.... set time averaging (from 0 to INT_MAX) (default 1)
      colors            <string>     ..FV.... set channels colors (default "red|green|blue|yellow|orange|lime|pink|magenta|brown")
    
    showspectrum AVOptions:
      size              <image_size> ..FV.... set video size (default "640x512")
      s                 <image_size> ..FV.... set video size (default "640x512")
      slide             <int>        ..FV.... set sliding mode (from 0 to 3) (default 0)
         replace                      ..FV.... replace old columns with new
         scroll                       ..FV.... scroll from right to left
         fullframe                    ..FV.... return full frames
      mode              <int>        ..FV.... set channel display mode (from 0 to 1) (default 0)
         combined                     ..FV.... combined mode
         separate                     ..FV.... separate mode
      color             <int>        ..FV.... set channel coloring (from 0 to 1) (default 0)
         channel                      ..FV.... separate color for each channel
         intensity                    ..FV.... intensity based coloring
      scale             <int>        ..FV.... set display scale (from 0 to 3) (default 1)
         sqrt                         ..FV.... square root
         cbrt                         ..FV.... cubic root
         log                          ..FV.... logarithmic
         lin                          ..FV.... linear
      saturation        <float>      ..FV.... color saturation multiplier (from -10 to 10) (default 1)
      win_func          <int>        ..FV.... set window function (from 0 to 3) (default 1)
         hann                         ..FV.... Hann window
         hamming                      ..FV.... Hamming window
         blackman                     ..FV.... Blackman window
    
    showvolume AVOptions:
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      b                 <int>        ..FV.... set border width (from 0 to 5) (default 1)
      w                 <int>        ..FV.... set channel width (from 40 to 1080) (default 400)
      h                 <int>        ..FV.... set channel height (from 1 to 100) (default 20)
      f                 <int>        ..FV.... set fade (from 1 to 255) (default 20)
      c                 <string>     ..FV.... set volume color expression (default "if(gte(VOLUME,-2), if(gte(VOLUME,-1),0xff0000ff, 0xff00ffff),0xff00ff00)")
      t                 <int>        ..FV.... display channel names (from 0 to 1) (default 1)
    
    showwaves AVOptions:
      size              <image_size> ..FV.... set video size (default "600x240")
      s                 <image_size> ..FV.... set video size (default "600x240")
      mode              <int>        ..FV.... select display mode (from 0 to 3) (default 0)
         point                        ..FV.... draw a point for each sample
         line                         ..FV.... draw a line for each sample
         p2p                          ..FV.... draw a line between samples
         cline                        ..FV.... draw a centered line for each sample
      n                 <int>        ..FV.... set how many samples to show in the same point (from 0 to INT_MAX) (default 0)
      rate              <video_rate> ..FV.... set video rate (default "25")
      r                 <video_rate> ..FV.... set video rate (default "25")
      split_channels    <int>        ..FV.... draw channels separately (from 0 to 1) (default 0)
    
    showwavespic AVOptions:
      size              <image_size> ..FV.... set video size (default "600x240")
      s                 <image_size> ..FV.... set video size (default "600x240")
      split_channels    <int>        ..FV.... draw channels separately (from 0 to 1) (default 0)
    
    amovie AVOptions:
      filename          <string>     ..FVA...
      format_name       <string>     ..FVA... set format name
      f                 <string>     ..FVA... set format name
      stream_index      <int>        ..FVA... set stream index (from -1 to INT_MAX) (default -1)
      si                <int>        ..FVA... set stream index (from -1 to INT_MAX) (default -1)
      seek_point        <double>     ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)
      sp                <double>     ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)
      streams           <string>     ..FVA... set streams
      s                 <string>     ..FVA... set streams
      loop              <int>        ..FVA... set loop count (from 0 to INT_MAX) (default 1)
    
    movie AVOptions:
      filename          <string>     ..FVA...
      format_name       <string>     ..FVA... set format name
      f                 <string>     ..FVA... set format name
      stream_index      <int>        ..FVA... set stream index (from -1 to INT_MAX) (default -1)
      si                <int>        ..FVA... set stream index (from -1 to INT_MAX) (default -1)
      seek_point        <double>     ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)
      sp                <double>     ..FVA... set seekpoint (seconds) (from 0 to 9.22337e+12) (default 0)
      streams           <string>     ..FVA... set streams
      s                 <string>     ..FVA... set streams
      loop              <int>        ..FVA... set loop count (from 0 to INT_MAX) (default 1)
    
    ffbuffersink AVOptions:
      pix_fmts          <binary>     ..FV.... set the supported pixel formats
    
    ffabuffersink AVOptions:
      sample_fmts       <binary>     ..FV.... set the supported sample formats
      sample_rates      <binary>     ..FV.... set the supported sample rates
      channel_layouts   <binary>     ..FV.... set the supported channel layouts
      channel_counts    <binary>     ..FV.... set the supported channel counts
      all_channel_counts <int>        ..FV.... accept all channel counts (from 0 to 1) (default 0)
    
    abuffer AVOptions:
      time_base         <rational>   ..F.A... (from 0 to INT_MAX) (default 0/1)
      sample_rate       <int>        ..F.A... (from 0 to INT_MAX) (default 0)
      sample_fmt        <sample_fmt> ..F.A... (default none)
      channel_layout    <string>     ..F.A...
      channels          <int>        ..F.A... (from 0 to INT_MAX) (default 0)
    
    buffer AVOptions:
      width             <int>        ..FV.... (from 0 to INT_MAX) (default 0)
      video_size        <image_size> ..FV....
      height            <int>        ..FV.... (from 0 to INT_MAX) (default 0)
      pix_fmt           <pix_fmt>    ..FV.... (default none)
      time_base_num     <int>        ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0)
      time_base_den     <int>        ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0)
      sar_num           <int>        ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0)
      sar_den           <int>        ..FV.... deprecated, do not use (from 0 to INT_MAX) (default 0)
      sar               <rational>   ..FV.... sample aspect ratio (from 0 to DBL_MAX) (default 1/1)
      pixel_aspect      <rational>   ..FV.... sample aspect ratio (from 0 to DBL_MAX) (default 1/1)
      time_base         <rational>   ..FV.... (from 0 to DBL_MAX) (default 0/1)
      frame_rate        <rational>   ..FV.... (from 0 to DBL_MAX) (default 0/1)
      sws_param         <string>     ..FV....
    
    abuffersink AVOptions:
      sample_fmts       <binary>     ..FV.... set the supported sample formats
      sample_rates      <binary>     ..FV.... set the supported sample rates
      channel_layouts   <binary>     ..FV.... set the supported channel layouts
      channel_counts    <binary>     ..FV.... set the supported channel counts
      all_channel_counts <int>        ..FV.... accept all channel counts (from 0 to 1) (default 0)
    
    buffersink AVOptions:
      pix_fmts          <binary>     ..FV.... set the supported pixel formats
    

      

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  • 原文地址:https://www.cnblogs.com/xiaojiu/p/5192708.html
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