> the video engine is able to rotate the video while decoding, but its not
> possible to export this feature with vdpau.
> vdpau doesn't provide the information that it needs a rotated video at
> decoding time, but only later at render time. You would have to look
> into the future to do rotate at decoding time.
Hmm... that sucks. I think it deserves a bug report to "the vdpau
designers/maintainers"?
In the mean time, is there some way to hack around this problem by
retro-feeding the "rotate" request to the decoder when the render
gets it?
Obviously, that means applying the rotation request to the wrong frames
But if the same rotation is applied for the duration of a complete movie
(which is rather likely), it means just the first few frames would
be incorrect.
Obviously, a "major ugly hack", but if it can be made to work, it might
just be good enough in practice, while we wait for vdpau to fix
this problem.
Stefan
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