ffmpeg添加库实战:移植srs-librtmp到ffmpeg

一、从SRS中抽取出librtmp 1.1 srs branch: 2.0release 抽取出库 1.2. srs branch: 2.0release 抽

一、从SRS中抽取出librtmp

1.1 srs branch: 2.0release 抽取出库

1.2. srs branch: 2.0release 抽取出源码

二、问题