[Bug 667560] h264parse: H.264 reverse playback does not work anymore

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Thu Jan 19 03:26:16 PST 2012


https://bugzilla.gnome.org/show_bug.cgi?id=667560
  GStreamer | gst-plugins-bad | 0.10.x

--- Comment #2 from Vincent Penquerc'h <vincent.penquerch at collabora.co.uk> 2012-01-19 11:26:13 UTC ---
What I worked out so far:
Calling gst_h264_parser_identify_nalu (rather than the _unchecked version)
makes it work again. Tracing shows that the expected "start codes" of mask
0xffffff00 and pattern 0x100 are not found within a (packetized) packet.
Not knowing the format, I'm not sure if that's a wrong assumption in the code
(that packetized streams will always have a start code in every packet), that
the stream is broken, or that there's a bug in the demuxer that fragments
packets.

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