[Bug 654799] Add force-key-unit support to mpegtsmux

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=654799
  GStreamer | gst-plugins-bad | git

Alessandro Decina <alessandro.d> changed:

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--- Comment #5 from Alessandro Decina <alessandro.d at gmail.com> 2011-09-15 22:57:32 UTC ---
Created an attachment (id=196678)
 View: https://bugzilla.gnome.org/attachment.cgi?id=196678
 Review: https://bugzilla.gnome.org/review?bug=654799&attachment=196678

updated patch and tests

New patch. This one is much simpler now that I added a running_time field to
upstream force-key-unit events.

Now when a downstream event is received, if there is an upstream event being
handled already, the downstream event is ignored, else it's handled. Upstream
events are never ignored. This logic supports both the following cases:

a) source ! element_that_schedules_periodic_downstream_events ! encoder ! muxer
! sink

b) ...a number of sources and encoders... ! muxer ! sink - with the application
scheduling upstream events by pushing them on muxer:src

a) is how I think Andoni is doing it. b) is how i'm doing it and how RTP could
work.

In both cases encoders and the muxer use the running time to know when to emit
a keyframe/new headers.

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