[gstreamer-bugs] [Bug 639778] discoverer: Drop new stream tags once preroll is done

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=639778
  GStreamer | gst-plugins-base | unspecified

--- Comment #1 from Arun Raghavan <arun at accosted.net> 2011-01-17 19:47:40 UTC ---
Created an attachment (id=178553)
 View: https://bugzilla.gnome.org/attachment.cgi?id=178553
 Review: https://bugzilla.gnome.org/review?bug=639778&attachment=178553

discoverer: Drop new stream tags once preroll is done

This makes sure we do not touch the stream taglist once the pipeline has
been prerolled. Adding of stream tags happens in the pad event probe
which runs in a different thread from discoverer stream processing, so
modifying the tag list while discoverer might be processing it can
sometimes cause a crash.

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