decklinksrc AV sync issue

Sebastian Dröge sebastian at centricular.com
Thu Mar 31 06:20:16 UTC 2016


On Di, 2016-03-29 at 02:16 -0700, Vinod K wrote:
> All,
> 
>  I have BMD 4k card which supports auto mode detection(mode=0). To capture
> raw audio and video I am using decklinkvideosrc and decklinkaudiosrc. I am
> facing AV ouof sync issue, this is seen with both Auto mode and 756i50
> followin are my observation. 
> 
> 1. For mode 0 (Auto detection) audio and video are out of sync starting from
> the beginning.
> 2. For mode 3 audio and video are out of sync after 5 minutes. Which builds
> up over the time?
> 
> What could be the problem ??

Which GStreamer version are you using? Can you get a debug log with
GST_DEBUG=3,decklink*:6 and report this in Bugzilla?

This commit here might fix it:
https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/?id=0d3cd8274907bef05a8245edd86203b7adcdca11

-- 
Sebastian Dröge, Centricular Ltd · http://www.centricular.com
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