在用ffmpeg转换视频到flv过程中,需要设置关键帧的间隔,以便在播放过程中实现精确定位。在网上查找了不少,最后发现这个指令有效:
-g 1 -keyint_min 2 。
http://blog.csdn.net/windflow/article/details/6228088
’-g 0’ to disable motion estimation completely (you have only I-frames, which means it is about as good as JPEG compression).
‘keyint_min (min-keyint)’
Minimum GOP size.
ffmpeg视频格式转换中关键帧的设置,布布扣,bubuko.com
原文地址:http://www.cnblogs.com/youngt/p/3747360.html