h264 webrtc player error

Issues when playing with WebRTC Player

h264 webrtc player error

Postby chongyi » Wed Jan 02, 2019 2:45 am

Hello.
I am testing webrtc player in chrome browser.
I pull stream from an rtmp url and rebroadcast through wetrtc.
The video codec of an rtmp video is h264-MPEG-4-AVC(part10)(avc1). This is founded in vlcplayer.
But I founded error of playing in web browser.
The erros is that video is shaking(video jump back and forth).
I used UnrealWebRTCPlayer.


Thank you for answer.
chongyi
 
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Re: h264 webrtc player error

Postby admin » Wed Jan 02, 2019 10:03 am

Hello,

This is answered in our FAQ:
http://umediaserver.net/umediaserver/faq.html

The problem is b-frames in H264. WebRTC doesn't support b-frames, so if video contains b-frames, it will jump back and forth.
We spoke with Google about it, they are reluctant to fix it, although they could:
https://bugs.chromium.org/p/webrtc/issu ... il?id=9326
https://bugs.chromium.org/p/chromium/is ... ?id=703019
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