第十六章-FFmpeg

这里的安装方法启用了mmal，可以提升性能

sudo apt-get update

sudo apt-get -y install autoconf automake build-essential libass-dev libfreetype6-dev \
  libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libxcb-shm0-dev \
  libxcb1-dev libxcb-shm0-dev libxcb-xfixes0-dev pkg-config texinfo zlib1g-dev

mkdir ~/ffmpeg_sources

Yasm:

sudo apt-get install yasm

libx264:

sudo apt-get install libx264-dev

libfdk-aac:

cd ~/ffmpeg_sources

wget -O fdk-aac.tar.gz https://github.com/mstorsjo/fdk-aac/tarball/master

tar xzvf fdk-aac.tar.gz

cd mstorsjo-fdk-aac*

autoreconf -fiv

./configure --prefix="$HOME/ffmpeg_build" --disable-shared

make -j4

make install

make distclean

libmp3lame:

sudo apt-get install libmp3lame-dev

libopus:

sudo apt-get install libopus-dev

ffmpeg:

sudo ldconfig

cd ~/ffmpeg_sources

wget http://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2

tar xjvf ffmpeg-snapshot.tar.bz2

cd ffmpeg

configure:

PATH="$HOME/bin:$PATH" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" \
./configure --arch=armv7h --target-os=linux --enable-gpl --enable-libx264 --enable-opengl \
  --enable-x11grab --enable-mmal --enable-nonfree  --enable-libass \
  --enable-libfdk-aac --enable-libmp3lame  --enable-libopus --bindir="/usr/bin"

make:

make -j4

sudo make install