安装MP3编码库
tar -zxvpf lame-3.99.tar.gz
cd lame-3.99
./configure && make && make install
安装X264视频编码库
tar -zxvpf nasm-2.14.02.tar.gz
cd nasm-2.14.02
./configure && make && make install
cd ..
tar -jxvpf x264-master.tar.bz2
cd x264-master
./configure --enable-shared && make && make install
SDL显示安装
tar -zxvpf SDL2-2.0.12.tar.gz
cd SDL2-2.0.12
./configure && make && make install
安装ffmpeg
http://ffmpeg.org/download.html下载包
tar -jxvf ffmpeg-x.x.tar.bz2
cd ffmpeg-x.x
./configure --enable-shared --enable-libfreetype --enable-libmp3lame --enable-libx264 --enable-gpl && make && make install
(如果编译报错，请加选项（报错会提示选项内容）./configure --enable-shared --选项 && make && make install
安装完成使用 ffmpeg -version查看安装信息
如果出现ffmpeg: error while loading shared libraries: libavdevice.so.57: cannot open shared object file: No such file or directory
则编辑/etc/ld.so.conf文件中的：include ld.so.conf.d/*.conf 这行下面加入如下内容
/usr/local/ffmpeg-4.0.2
保存退出后执行ldconfig命令
报错nasm/yasm not found or too old则先安装yasm
tar -zxvf yasm.tar.gz
cd yasm-1.3.0/
./configure
make && make install
生成文字水印
ffmpeg -i a.mp4 -vf drawtext=fontfile=/usr/share/fonts/dejavu/DejaVuSans.ttf:text=welcome:x=10:y=10:fontsize=48:fontcolor=red@0.5:shadowy=2 b.mp4
生成右下角图片水印
ffmpeg -i video.mp4 -i logo.png -filter_complex 'overlay=main_w-overlay_w-10:main_h-overlay_h-10' output.mp4 -y
php操作
引入类库
composer require php-ffmpeg/php-ffmpeg
php代码
$configuration = array(
'ffmpeg.binaries' => '/usr/local/bin/ffmpeg',
'ffprobe.binaries' => '/usr/local/bin/ffprobe', //这里是电脑或服务器上所安装的位置
// 'timeout' => 3600, // The timeout for the underlying process
// 'ffmpeg.threads' => 12, // The number of threads that FFMpeg should use
);
$ffmpeg = FFMpeg::create($configuration);
$video = $ffmpeg->open('文件的绝对路径');
$video->filters()->resize(new Dimension(320,240))->synchronize();
$video->frame(TimeCode::fromSeconds(1))->save('生成文件的绝对路径');