[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-1 188.8.131.52
> uint8_t deblockEnable;
= v->postproc & 1
> /** Out-of-loop deblocking parameter. See VC-1 184.108.40.206 */
> 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)
More information about the ffmpeg-devel