On Tue, 7 Dec 2010 13:58:22 +0000 James Courtier-Dutton <[email protected]> wrote:
> On 7 December 2010 01:07, Jimmy Rentz <[email protected]> wrote: > > On Mon, 6 Dec 2010 23:05:10 +0100 > > Xavier Chantry <[email protected]> wrote: > > > >> On Mon, Dec 6, 2010 at 7:35 PM, Mikhail Ramendik <[email protected]> > >> wrote: > >> > Hello, > >> > > >> > http://nouveau.freedesktop.org/wiki/FeatureMatrix lists "Decode > >> > videos" as WIP for NV30 and NV40 seies. > >> > > >> > As I have an NV44, I would really like to know - what is this > >> > feature going to be? VDPAU support for these cards, or XvMC, or > >> > something else? > >> > > >> > >> According to > >> http://lists.freedesktop.org/archives/nouveau/2010-August/006142.html > >> and the following mails/patches : XvMC. > >> > >> Not sure what is possible on nv40 but that subject was discussed > >> quickly here: > >> http://lists.freedesktop.org/archives/nouveau/2010-May/005726.html > > > > Initially I would say XVMC. VDPAU expects full hw bitstream > > decode. XVMC only does decode starting at idct/mb. I am guessing > > it is possible to support VDPAU by doing the earlier stages in > > software then handling the reset to hw. Well, unless someone > > figures out some way to handle the full pipeline in hw via shaders > > which is something I have no time or knowledge. > > > > I think it would be better if one could do vdpau in software and then > initially offload the idct/mb to the hardware. > The reason being vdpau supports mpeg2 and mpeg4, XVMC only supports > mpeg2. Yes, XVMC is very old and some software (mythtv for one) are removing support for it. There are some initial VDPAU stubs in the mesa.pipe-video patch but they don't do anything but support querying caps,etc and not decode/presentation. _______________________________________________ Nouveau mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/nouveau
