[gstreamer-bugs] [Bug 534304] x(v)imagesink resets the window id when state changes from READY to NULL

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-base | Ver: 0.10.19




------- Comment #3 from Jan Schmidt  2008-05-23 11:02 UTC -------
Ah right. You'll always have that trouble attempting to use the messages from
XOverlay in the main thread. You need to use a sync_handler on the bus to catch
the message in the thread it's being sent in - so that you can set the XID
without racing.

There's an example in
http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstxoverlay.html

That method works for Qt apps equally well - you just have to watch the thread
safety issues implicit in passing the XID to a background thread.


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