[gstreamer-bugs] [Bug 629165] interlace: Add telecine mode support

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=629165
  GStreamer | gst-plugins-bad | git

--- Comment #7 from David Schleef <ds at schleef.org> 2010-09-18 19:37:27 UTC ---
Most reasonable pipelines would use invtelecine ! deinterlace, as I've
described them.  Some transcoding pipelines would use just invtelecine.  In any
case, that's a good justification for them being combined into one element with
a flag to turn off deinterlacing.  (However, the clear choice for a name would
be 'deinterlace', and it would be amusing to have a deinterlace=false property
on it.  Maybe call it inverse-telecine-only=true.)

Anyway, back on topic for this bug.

Patch looks good.  I'd like to add the patterns 1:1 and 2:2 for 50/60p and
25/30p -> 50i/60i, and then 'auto' to make the element work like videorate,
pushing out fields based on incoming timestamps.  This means the mode property
can go away.  Haven't decided if 'auto' or '1:1' should be default, please
offer comment.

I'm also going add an allow-rff=boolean property, indicating whether or not
3-field frames should be sent as RFF or not.

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