[Bug 644890] [mpegtsmux] add indexing capabilities to generate a SPN/PTS map on the fly

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=644890
  GStreamer | gst-plugins-bad | git

--- Comment #14 from Mark Nauwelaerts <mnauw at users.sourceforge.net> 2012-06-21 08:49:02 UTC ---
One the one hand, it is not clear exactly what the table represents.

On the other hand, from having a look at current code, and running some tests
(e.g. with videotestsrc ! ffenc_mpeg4), I don't see what could be going wrong
there.  It basically states, if a keyframe, add an entry with the count and
timestamp.

So, ending up with wrong data is then only possible if the input data is bogus,
i.e. wrong DELTA flags and/or timestamps.  As such, it appears to come down to
what the input is here.  Also note that non-ascending input timestamps, e.g.
due to b-frames, may not be handled too well, but that applies not only to the
index.

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