I found that exoplayer library in the forum is pretty old and had issues with playing RTMP streams with no audio
the newer version in GitHub had many fixes
https://github.com/google/ExoPlayer/blob/release-v2/RELEASENOTES.md
hopefully we can get the latest version
the newer version in GitHub had many fixes
https://github.com/google/ExoPlayer/blob/release-v2/RELEASENOTES.md
hopefully we can get the latest version