vlc rtsp请求IPC各种音频时的sdp

AAC sdp:
    "v=0

    o=- 1592493959551674 1592493959551674 IN IP4 192.168.12.179

    s=Media Presentation
e=NONE
b=AS:5100
t=0 0

    a=control:rtsp://admin:hik123456@192.168.12.179/

    m=video 0 RTP/AVP 96

    c=IN IP4 0.0.0.0

    b=AS:5000

    a=recvonly

    a=x-dimensions:1280,960

    a=control:rtsp://admin:hik123456@192.168.12.179/trackID=1

    a=rtpmap:96 H264/90000

    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==

    m=audio 0 RTP/AVP 104

    c=IN IP4 0.0.0.0

    b=AS:50

    a=recvonly
a=control:rtsp://admin:hik123456@192.168.12.179/trackID=2

    a=rtpmap:104 mpeg4-generic/16000/1

    a=fmtp:104 profile-level-id=15; streamtype=5;mode=AAC-hbr; config=1408;SizeLength=13; IndexLength=3; IndexDeltaLength=3; Profile=1;

    a=Media_header:MEDIAINFO=494D4B48010200000400000101200110803E0000007D", '0' <repeats 36 times>, ";

    a=appversion:1.0
"


G722 sdp
    v=0
    o=- 1592496353195110 1592496353195110 IN IP4 192.168.12.179
    s=Media Presentation
    e=NONE
    b=AS:5100
    t=0 0
    a=control:rtsp://192.168.12.179:554/
    m=video 0 RTP/AVP 96
    c=IN IP4 0.0.0.0
    b=AS:5000
    a=recvonly
    a=x-dimensions:1280,960
    a=control:rtsp://192.168.12.179:554/trackID=1
    a=rtpmap:96 H264/90000
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==
    m=audio 0 RTP/AVP 98
    c=IN IP4 0.0.0.0
    b=AS:50
    a=recvonly
    a=control:rtsp://192.168.12.179:554/trackID=2
    a=rtpmap:98 G7221/16000
    a=Media_header:MEDIAINFO=494D4B48010200000400000121720110803E0000803E000000000000000000000000000000000000;
    a=appversion:1.0


G711A音频sdp:
    "v=0

    o=- 1592479633631537 1592479633631537 IN IP4 192.168.12.179

    s=Media Presentation

    e=NONE

    b=AS:5100

    t=0 0

    a=control:rtsp://admin:hik123456@192.168.12.179/

    m=video 0 RTP/AVP 96

    c=IN IP4 0.0.0.0
b=AS:5000
a=recvonly
a=x-dimensions:1280,960

    a=control:rtsp://admin:hik123456@192.168.12.179/trackID=1

    a=rtpmap:96 H264/90000

    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==

    m=audio 0 RTP/AVP 8
c=IN IP4 0.0.0.0

    b=AS:50

    a=recvonly

    a=control:rtsp://admin:hik123456@192.168.12.179/trackID=2

    a=rtpmap:8 PCMA/8000

    a=Media_header:MEDIAINFO=494D4B48010200000400000111710110401F000000FA", '0' <repeats 36 times>, ";

    a=appversion:1.0
"
    
G711U
    v=0
    o=- 1592495815054725 1592495815054725 IN IP4 192.168.12.179
    s=Media Presentation
    e=NONE
    b=AS:5100
    t=0 0
    a=control:rtsp://192.168.12.179:554/
    m=video 0 RTP/AVP 96
    c=IN IP4 0.0.0.0
    b=AS:5000
    a=recvonly
    a=x-dimensions:1280,960
    a=control:rtsp://192.168.12.179:554/trackID=1
    a=rtpmap:96 H264/90000
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==
    m=audio 0 RTP/AVP 0
    c=IN IP4 0.0.0.0
    b=AS:50
    a=recvonly
    a=control:rtsp://192.168.12.179:554/trackID=2
    a=rtpmap:0 PCMU/8000
    a=Media_header:MEDIAINFO=494D4B48010200000400000110710110401F000000FA000000000000000000000000000000000000;
    a=appversion:1.0
    
    
PCM    
    v=0
    o=- 1592496254941403 1592496254941403 IN IP4 192.168.12.179
    s=Media Presentation
    e=NONE
    b=AS:5100
    t=0 0
    a=control:rtsp://192.168.12.179:554/
    m=video 0 RTP/AVP 96
    c=IN IP4 0.0.0.0
    b=AS:5000
    a=recvonly
    a=x-dimensions:1280,960
    a=control:rtsp://192.168.12.179:554/trackID=1
    a=rtpmap:96 H264/90000
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==
    m=audio 0 RTP/AVP 11
    c=IN IP4 0.0.0.0
    b=AS:50
    a=recvonly
    a=control:rtsp://192.168.12.179:554/trackID=2
    a=rtpmap:11 PCM/16000
    a=Media_header:MEDIAINFO=494D4B48010200000400000101700110803E0000007D000000000000000000000000000000000000;
    a=appversion:1.0

G726:
    v=0
    o=- 1592496450537513 1592496450537513 IN IP4 192.168.12.179
    s=Media Presentation
    e=NONE
    b=AS:5100
    t=0 0
    a=control:rtsp://192.168.12.179:554/
    m=video 0 RTP/AVP 96
    c=IN IP4 0.0.0.0
    b=AS:5000
    a=recvonly
    a=x-dimensions:1280,960
    a=control:rtsp://192.168.12.179:554/trackID=1
    a=rtpmap:96 H264/90000
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==
    m=audio 0 RTP/AVP 102
    c=IN IP4 0.0.0.0
    b=AS:50
    a=recvonly
    a=control:rtsp://192.168.12.179:554/trackID=2
    a=rtpmap:102 G726-16/8000
    a=Media_header:MEDIAINFO=494D4B48010200000400000162720110401F0000803E000000000000000000000000000000000000;
    a=appversion:1.0
    
    
MP2L2:
    v=0
    o=- 1592496529044146 1592496529044146 IN IP4 192.168.12.179
    s=Media Presentation
    e=NONE
    b=AS:5100
    t=0 0
    a=control:rtsp://192.168.12.179:554/
    m=video 0 RTP/AVP 96
    c=IN IP4 0.0.0.0
    b=AS:5000
    a=recvonly
    a=x-dimensions:1280,960
    a=control:rtsp://192.168.12.179:554/trackID=1
    a=rtpmap:96 H264/90000
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==
    m=audio 0 RTP/AVP 14
    c=IN IP4 0.0.0.0
    b=AS:50
    a=recvonly
    a=control:rtsp://192.168.12.179:554/trackID=2
    a=rtpmap:14 MPA/90000
    a=Media_header:MEDIAINFO=494D4B48010200000400000100200110803E000000FA000000000000000000000000000000000000;
    a=appversion:1.0