UDPSINK live stream bug

[Angel Martin]

Thank you Sebastian,

File bug:
https://bugzilla.gnome.org/show_bug.cgi?id=762715


On 26 February 2016 at 08:17, Sebastian Dröge <sebastian at centricular.com>
wrote:

> On Do, 2016-02-25 at 13:03 +0100, Angel Martin wrote:
> > Hi,
> >
> > Let me say what I have understood from your words and more tests.
> >
> > 1) udpsink sync=true -> the rhythm of the throughput is performed
> > according to the clock from the buffers.
>
> No, with the timestamps of the buffers according to the clock of the
> pipeline.
>
> > 2) when we are re-packing packets in groups of packets for UDP, is
> > the resulting group timestamped only when the first packet from the
> > group has timestamp?
>
> That's what rndbuffersize currently should do, yes. If you need
> something else you either need to use the alignment property on
> mpegtsmux (to put multiple packets into one buffer), or write your own
> element that does what you need while doing *something* with the
> timestamps.
>
> The alignment property on mpegtsmux seems to have a bug too though, as
> it doesn't timestamp all output when combining multiple packets into
> one buffer. Can you file a bug about that?
>
> > 3) only the first MPEGTSMUX packet of a actual video frame has
> > timestamps?
>
> No, which you can easily confirm with:
>
> gst-launch-1.0 videotestsrc ! x264enc ! \
>      mpegtsmux ! fakesink silent=false sync=true -v
>
> > This also works "min=max=188", blocksize has no impact
>
> blocksize on the sink only has an impact if it is operating in PULL
> mode, which sinks are not doing currently.
>
> --
> Sebastian Dröge, Centricular Ltd · http://www.centricular.com
>
>
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>
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