[Bug 632222] [mpegvideoparse] missing timestamps

Mon Jul 29 08:08:14 PDT 2013

https://bugzilla.gnome.org/show_bug.cgi?id=632222
  GStreamer | gst-plugins-bad | unspecified

--- Comment #27 from Edward Hervey <bilboed at gmail.com> 2013-07-29 15:08:08 UTC ---
(In reply to comment #26)
> The approach of calculating frame PTS by multiplying TSN with frame duration
> will not work for telecine, where the frame duration is variable (also there
> are only 24 frames but the framerate is 29.97)

No, the framerate *IS* 29.97 interlaced AND it has 29.97 frames per second.

The decoder will also output 29.97 interlaced, but with the proper TFF/RFF set,
which will result in a 24000/1001 progressive output (if you put it through a
deinterlacer).

The whole point of telecine is to carry a progressive (film) stream in a
interlaced (tele) format. It should be transparent to the parser, decoder and
display.

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