安装 Ffmpefg

Yasm
wget http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz
tar -zxvf yasm-1.3.0.tar.gz
cd yasm-1.3.0
Yum install gcc
./configure
make && make install

nasm
Wget https://www.nasm.us/pub/nasm/releasebuilds/2.15.05/nasm-2.15.05.tar.gz
./configure
make && make install


Ffmpeg
wget http://www.ffmpeg.org/releases/ffmpeg-3.1.tar.gz
tar -zxvf ffmpeg-3.1.tar.gz
cd ffmpeg-3.1
./configure --prefix=/usr/local/ffmpeg
make && make install


配置环境变量
vim /etc/profile
在最后PATH添加环境变量：
export PATH=$PATH:/usr/local/ffmpeg/bin
保存退出
查看是否生效
source /etc/profile  设置生效

ffmpeg -version    查看版本


1、编辑/etc/apt/sources.list加入

deb http://www.deb-multimedia.org jessie main

mp4转m3u8命令

ffmpeg -i 111.mp4 -hls_time 2 -codec copy -vbsf h264_mp4toannexb -s 1920*1080 -hls_list_size 0 222.m3u8