IjkPlayer常用Option设置

ffmpeg命令参数详解（帮助说明）：http://www.cuplayer.com/player/PlayerCode/FFmpeg/2014/0711/1432.html

https://www.jianshu.com/p/843c86a9e9ad

https://www.jianshu.com/p/7b6a2eee3f3a