[gstreamer-bugs] [Bug 547603] [playbin2] add deinterlacing support

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=547603
  GStreamer | gst-plugins-base | git

--- Comment #7 from Tim-Philipp Müller <t.i.m at zen.co.uk> 2010-01-06 19:47:37 UTC ---
> I think the idea here is to make deinterlace act as a passthrough for all those
> cases to avoid adding a ffmpegcolorspace.

The reason to make deinterlace act as passthrough for all those unsupported
formats is not to avoid plugging an ffmpegcolorspace in front (we still need
that for the case where deinterlacing is done, as only one or two formats are
supported by deinterlace), but to avoid doing two unnecessary colourspace
conversions (before and after deinterlace) when no deinterlacing is
needed/wanted. (I guess this depends a bit on whether the plan is to plug it
conditionally or not, and whether we want to support disabling/enabling
interlacing during playback, which I think we should).

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