树莓派ffmpeg rtmp推流
1、源码编译安装 x264
wget https://codeload.github.com/qupai/x264/zip/master
./configure
--disable-shared --enable-static
--enable-strip
--disable-cli
安装： sudo make && make install
2、源码编译安装 FFMPEG
在FFmpeg官网获取源码 http://ffmpeg.org/download.html ，当前版本为 ffmpeg-3.4.2.tar.bz2 ，配置完成后编译并安装
wget https://ffmpeg.org/releases/ffmpeg-3.4.2.tar.bz2
``
sudo ./configure --enable-gpl --enable-version3 --enable-nonfree --enable-static --disable-shared --prefix=$PREFIX --disable-opencl --disable-thumb --disable-pic --disable-stripping --enable-small --enable-ffmpeg --enable-ffplay --enable-ffserver --enable-ffprobe --disable-doc --disable-htmlpages --disable-podpages --disable-txtpages --disable-manpages --disable-everything --enable-libx264 --enable-encoder=libx264 --enable-decoder=h264 --enable-encoder=aac --enable-decoder=aac --enable-encoder=ac3 --enable-decoder=ac3 --enable-encoder=rawvideo --enable-decoder=rawvideo --enable-encoder=mjpeg --enable-decoder=mjpeg --enable-demuxer=concat --enable-muxer=flv --enable-demuxer=flv --enable-demuxer=live_flv --enable-muxer=hls --enable-muxer=segment --enable-muxer=stream_segment --enable-muxer=mov --enable-demuxer=mov --enable-muxer=mp4 --enable-muxer=mpegts --enable-demuxer=mpegts --enable-demuxer=mpegvideo --enable-muxer=matroska --enable-demuxer=matroska --enable-muxer=wav --enable-demuxer=wav --enable-muxer=pcm* --enable-demuxer=pcm* --enable-muxer=rawvideo --enable-demuxer=rawvideo --enable-muxer=rtsp --enable-demuxer=rtsp --enable-muxer=rtsp --enable-demuxer=sdp --enable-muxer=fifo --enable-muxer=tee --enable-parser=h264 --enable-parser=aac --enable-protocol=file --enable-protocol=tcp --enable-protocol=rtmp --enable-protocol=cache --enable-protocol=pipe --enable-filter=aresample --enable-filter=allyuv --enable-filter=scale --enable-libfreetype --enable-indev=v4l2 --enable-indev=alsa --enable-omx --enable-omx-rpi --enable-encoder=h264_omx --enable-mmal --enable-hwaccel=h264_mmal --enable-decoder=h264_mmal
``
3、推流
ffmpeg -ss 0 -t 100 -pix_fmt yuv420p -i /dev/video0 -c:v h264_omx -f flv rtmp://ip:port/live
