[Bug 719636] deinterlace: alters caps in passthrough mode preventing hardware decode

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=719636
  GStreamer | gst-plugins-good | git

Michael Sheldon <mike> changed:

           What    |Removed                     |Added
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                 CC|                            |mike at mikeasoft.com

--- Comment #17 from Michael Sheldon <mike at mikeasoft.com> 2014-01-31 22:46:48 UTC ---
 It would appear that deinterlace doesn't really support all the formats which
the recent patches make it claim to support. And while the most recent patch
fixes issues where content is in unsupported formats but already progressive it
doesn't handle cases where the content is in an unsupported format and still
interlaced.

 For example interlaced I422_10LE content will fail, this can be triggered with
the following pipeline:

gst-launch-1.0 videotestsrc ! video/x-raw,format=I422_10LE,interlace-mode=mixed
! deinterlace ! fakesink

 If deinterlace was reporting the correct sink caps this could be avoided via a
videoconvert element, but due to the incorrect caps videoconvert doesn't do
anything (since its already in a format that all elements claim to accept).

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