[Bug 720568] v4l2: Various changes to allow using M2M decoders

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=720568
  GStreamer | gst-plugins-good | git

--- Comment #54 from Sebastian Dröge (slomo) <slomo at coaxion.net> 2014-01-06 17:11:58 UTC ---
(In reply to comment #52)
> (In reply to comment #39)
> > (From update of attachment 264362 [details] [details])
> > parsed=true maybe (for sinks and decoders, not for sources and encoders)? What
> > about codec_data?
> 
> Good point, we will reduce the scope when adding parsed=. Not sure about
> codec_data, I don't remember negotiating these ? Though for codec_data
> mechanics I'm cannot guarranty it's 100% functionnal since the HW we work on
> don't use it so far.

Right, codec_data can't be negotiated. You should just fail if it's not there
but needed :) parsed=true and/or stream-format and/or alignment in the caps
should be a good idea though. You don't handle unparsed streams properly most
likely

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