[gst-devel] ffdec and QoS

Arnout Vandecappelle arnout at mind.be
Wed Jun 10 13:53:19 CEST 2009


On Wednesday 10 June 2009 10:33:07 Wim Taymans wrote:
> >  Sounds good.  How does ffmpeg know the latency, though?  It buffers one
> > frame, but since the framerate is unknown you can't convert this to time,
> > can you?
>
> The thing is that the latency query will be done when the sink prerolls,
> which means that the decoder has at least decoded and pushed 1 buffer.
> You could use the info you got from decoding this buffer to answer to
> the latency query.

 Hm, there's no clock yet, so timestamps are -1...

 Regards,
 Arnout

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Arnout Vandecappelle                               arnout at mind be
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