unbuntu 16.04中編譯ffmpeg
1:解壓:sudo tar -jxvf ffmpeg-3.4.tar.gz2
2:更新安裝:sudo apt-get update
3:安裝依賴包:sudo apt-get -y install autoconf automake build-essential libass-dev libfreetype6-dev libsdl2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libxcb1-dev libxcb-shm0-dev libxcb-xfixes0-dev pkg-config texinfo zlib1g-dev
4:編譯時候依賴的工具:sudo apt-get install yasm
5:安裝H264的壓縮庫:sudo apt-get install libx264-dev
6:安裝音訊的依賴庫:sudo apt-get install libfdk-aac-dev
7:安裝mp3的依賴庫:sudo apt-get install libmp3lame-dev
8:安裝其它的庫: sudo apt-get install libopus-dev libvpx-dev
9:生成makefile: sudo ./configure --enable-shared --prefix=/usr/local/ffmpeg --prefix指定路徑
10:開始make
11:安裝,make install,把所有的標頭檔案和庫都拷貝到--prefix指定的路徑
12:把所有的庫都拷貝到系統預設路徑:sudo cp /usr/local/ffmpeg/lib/* /usr/lib/