[vlc-devel] DXVA : workaround for a bug in ATI drivers

Mathieu Velten matmaul at gmail.com
Wed Jan 13 21:32:56 CET 2010

2010/1/9 Jean-Baptiste Kempf <jb at videolan.org>:
> On Wed, Jan 06, 2010 at 09:12:51PM +0100, Jean-Baptiste Kempf wrote :
>> On Wed, Jan 06, 2010 at 09:08:00PM +0100, Laurent Aimar wrote :
>> >  As I don't have an ATI card, I didn't try to workaround this bug, but it
>> > will be trivial to do it at the ffmpeg level (using the workaround field
>> > as you noticed).
>> Am I the only one with Windows and an ATI card?
> Ok. I don't see the bug with latest build, but I am not the best guy
> ever :D

sorry for the disturbance, it looks like a "bug" in MPC :D
I think first DXVA specs said that we need to use raster order, or
didn't said anything at all about the order, I don't have the first
specs to check.
one flag (Reserved16Bits) is used to specified the specs rev to use,
we just need to update it in MPC and remove the hack.

you might also be interested to know that in MPC we use Reserved16Bits
= 0x534c for Intel cards, I don't know why I'll have to ask the main
dev who worked with an Intel engineer to make it works.

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