[MPlayer-dev-eng] A question about MPEG-2 XvMC

[Reimar Döffinger]

On Sat, Jun 20, 2009 at 09:00:05AM +0800, Cooper Yuan wrote:
> I want to say, the coefficient data go through raster-scan --> zig-zag -->
> raster-scan. rarely redundant.

No, that's only the case if you set bConfigHostInverseScan to 0 in DXVA.
Which is not the case for the example you gave (2.jpg).
If you use DXVA_TCoef4Group you only need to set up the indexes once and
then memcpy the coefficients.