[FFmpeg-devel] [PATCH]VDPAU patch for VC1 decoding, round 4

[Kostya]

On Sun, Jan 11, 2009 at 12:41:23AM +0000, Carl Eugen Hoyos wrote:
> Kostya <kostya.shishkov <at> gmail.com> writes:
> 
> > > +    /* Presently, making these as 0 */
> > > +    render->info.vc1.deblockEnable      = 0;
> > > +    render->info.vc1.pquant             = 0;
> > 
> > pquant can be obtained from v->pq and v->halfpq
> 
> Do you know how?

in VC-1 quantizer is specified in halves, v->pq is its integer part
and v->halfpq is its fractional parts, so
v->pq*2 + v->halfpq may work
 
> > and deblockEnable may correspond to v->postproc
> > (just a guess)
> 
> Doxygen says for pquant and deblockEnable "Out-of-loop deblocking parameter"

v->postproc corresponds to the out of loop postprocessing (from the SMPTE 421):
0 = no postproc
1 = deblock
2 = dering
3 = deblock + dering
 
> Carl Eugen