./configure \
--enable-shared \
--enable-libopenh264 \
--enable-libx264 \
--enable-gpl \
--prefix=/usr/local/ffmpeg
cd /etc/ld.so.conf.d/
创建 ffmpeg.conf，写入 "/usr/local/ffmpeg/lib"
sudo ldconfig
sudo ln -s /usr/local/ffmpeg/bin/ffmpeg /usr/local/bin/
sudo ln -s /usr/local/ffmpeg/bin/ffprobe /usr/local/bin/
sudo ln -s /usr/local/ffmpeg/bin/ffserver /usr/local/bin/
[验证 ffmpeg]
ffmpeg --help
[使用 ffmpeg]
使用 openh264 将 avi 视频转为 mp4 视频：
ffmpeg -y -i in.avi -vcodec libopenh264 out.mp4
