[Bug 706441] videomixer: Rework/review the way we handle flushing

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=706441
  GStreamer | gst-plugins-good | 1.x

Thibault Saunier <thibault.saunier> changed:

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--- Comment #9 from Thibault Saunier <thibault.saunier at collabora.com> 2013-09-17 23:10:39 UTC ---
Created an attachment (id=255147)
 View: https://bugzilla.gnome.org/attachment.cgi?id=255147
 Review: https://bugzilla.gnome.org/review?bug=706441&attachment=255147

adder: Rework the way we handle flushes and flushing seeks

The new strategy is that we forward dowstream flush_stop only once and
that after seeking.

We now always forward flush start and stop comming from dowstream to all our
upstream pads

We flush ourself right when receiving a flushing seek and send
flush_start downstream to make sue the collectpad is flushing and we
can send our seek events without fearing to get collected call
meanwhile.

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