[Bug 640610] basesink: QoS events are wrong in live pipelines

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri Oct 20 16:42:23 UTC 2017


https://bugzilla.gnome.org/show_bug.cgi?id=640610

--- Comment #26 from Olivier CrĂȘte <olivier.crete at ocrete.ca> ---
Coming back on this.

After giving this more though, I think we should default this to 0 and have
GstVideoSink do
- max-lateness = 5ms
- processing-deadline = 15ms

This gives it some time to do decoding, but also gives it a bit of leeway. And
it shouldn't modify the behaviour of existing pipelines except that they will
report a bit more latency and give a warning if they have zero queuing.

This also makes the frame submission times a lot smoother in the cases where
there is no latency, so it's much likelier that it will block on the clock.

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