Question / Help Audio/Video drift in rtmp Media Source after few hours

Pimpmuckl

New Member
Hey folks,

I've been testing some various 2PC setups, one I'm having issues with is the following:
PC 1: OBS Studio producing stream, encode via NVENC 30mbit/1080p60 sends to PC2
PC 2: Has latest nginx + rtmp running on Windows OBS Studio x64, using Media Source to decode the stream with these settings

After a few hours there's a slight audio/video desync, video is delayed by around 2-ish seconds after 4 or so hours of testing.

In case anyone has an idea where that's coming from I'd be happy to hear it. When I directly watch the rtmp stream via VLC there's no drift, not initially at least. Will see if VLC Source has the same issues but CPU utilization is significantly higher decoding this way.

Thanks, JJ

Edit: There's nothing in the logs sadly.
 

J Gerstel

New Member
With MediaSource rtsp stream I confirm there is the same issue, it will delay & drift over longer time. With VLC I did not see that. This must be a bug in OBS. It is now 2019, so I gues this has never been solved....
 
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