[gstreamer-bugs] [Bug 520892] dshowvideosrc latency and shutdown improvements

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-bad | Ver: HEAD CVS




------- Comment #1 from Ole André Vadla Ravnås  2008-03-07 01:27 UTC -------
Created an attachment (id=106740)
 --> (http://bugzilla.gnome.org/attachment.cgi?id=106740&action=view)
dshowvideosrc_drop_late_and_support_unlock

Only keep the last video-frame, and also handle unlocking.

* It's not a good idea to keep frames in a GAsyncQueue if the streaming
thread doesn't read fast enough. For instance if the thread gets starved it
could end up lagging behind by n frames and thus accumulating latency.
* Remaining GstBuffers on the queue weren't unreffed on teardown.
* Another issue was that there wasn't any unblocking implemented for the call
to g_async_queue_pop() in create() if the queue was drained at the point when
the capture was stopped.


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