ffmpeg安装

1.官网地址，去官网下载ffmpeg源码

https://ffmpeg.org

2.安装ffmpeg基础依赖

sudo apt-get update
sudo apt-get install build-essential  yasm texi2html libvorbis-dev libmp3lame-dev libopus-dev libx264-dev libx265-dev libvpx-dev libfdk-aac-dev libass-dev libfreetype6-dev libfontconfig1-dev

3.解压源码，进入源码目录编译安装ffmpeg源码

./configure --prefix=/usr/local/ffmpeg  --extra-version=1 --toolchain=hardened --arch=amd64 --enable-gpl --disable-stripping --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --disable-sndio --enable-pocketsphinx --enable-librsvg --enable-libmfx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
make
sudo make install

　　

4.配置环境变量

export PATH=/usr/local/ffmpeg/bin:$PATH