[FFmpeg-devel] [PATCH]VDPAU patch for VC1 decoding, round 4
Wed Jan 14 08:18:52 CET 2009
On Tue, Jan 13, 2009 at 02:49:37PM -0800, Stephen Warren wrote:
> 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?
> > > and deblockEnable may correspond to v->postproc
> > > (just a guess)
> > Doxygen says for pquant and deblockEnable "Out-of-loop
> > deblocking parameter"
> I have updated the doxygen comments for these fields. Hopefully
> this will make it more clear how to fill them in...
> * Out-of-loop deblocking enable.
> * Bit 0 of POSTPROC from VC-1 18.104.22.168
> uint8_t deblockEnable;
= v->postproc & 1
> /** Out-of-loop deblocking parameter. See VC-1 22.214.171.124 */
> uint8_t pquant;
hmm, that section corresponds to PQINDEX variable which is used to
determine both quantizer and quantizing mode and which is rather hairy
to reconstruct from context variables (yet possible)
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