adding filesrc inputs dinamycally to videomixer

[Lautaro Woites]

I've already reported the bug, is on:
https://bugzilla.gnome.org/show_bug.cgi?id=722697

Hope it helps.


2014/1/21 Sebastian Dröge <sebastian at centricular.com>

> On Mo, 2014-01-20 at 13:21 -0200, Lautaro Woites wrote:
>
> > > Can you file a bug at http://bugzilla.gnome.org with a test case? I
> > > assume this happens because of the QoS translation that happens in
> > > videomixer. It might not handle the offsets properly yet.
> > >
> > >
> > I reduced the example and I seen that if I use fakesink as the pipeline's
> > sink the QOS events are not sent.
> > Also if I use some combinations of    mixer ! someencoder ! somemuxer!
> > filesink as the pipeline's sink the QOS events are not sent.
> > So I think that the videomixer is not the problem. I think the
> xvimagesink
> > is sending the QOS events and
> > the mixer is only forwarding them.
>
> Yes, that's correct. videomixer is only forwarding the event but that
> should actually be fine as it operates on the running time of all
> streams.
>
> > Do you want me to upload the example anyway?
>
> Yes please, also a debug log with GST_DEBUG=6 could be helpful.
>
> > One more question about this, why the xvimagesink is sending QOS events?
> > The CPU is idle and I put queues before every mixer's
> > sink pad and after the mixer's src pad.
>
> xvimagesink is sending a QoS even for every single frame it receives.
> Upstream elements can then decide based on the timestamps in the QoS
> event if they should drop frames and skip forward (because they would
> arrive too late in the sink anyway) or degrade quality of a filter
> or ...
>
> --
> Sebastian Dröge, Centricular Ltd - http://www.centricular.com
> Expertise, Straight from the Source
>
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