[gstreamer-bugs] [Bug 588638] Add x-dvd-subpicture output to katedec

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-bad | Ver: git




------- Comment #3 from ogg.k.ogg.k  2009-07-15 12:23 UTC -------
Ah, yes:
it seems that displaying a SPU outside the video crashes dvdspu.
This can happen if a DVD was encoded at a lower than original resolution.
Images are kept in the Kate stream at original resolution. This looks
to be a bug in dvdspu (encoding the SPU to display at 0x0 makes it work
fine (as it's fully onscreen for my test case then)).
Since katedec does not know the size of the video the SPU will be drawn
onto, it cannot rescale it at decode time (which is what the tiger element
does, as it overlays).
Storing pre-scaled images in the Kate stream seems like a poor idea (and
doesn't fix the problem anyway) as upscaling the video on playback will
have lesser resolution subtitles).


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