[mythtv] New Video Decode and Presentation API
Isaac Richards
ijr at case.edu
Tue Nov 18 22:15:41 UTC 2008
On Tuesday 18 November 2008 4:42:35 pm David Engel wrote:
> On Tue, Nov 18, 2008 at 03:19:25PM -0500, Isaac Richards wrote:
> > On Tuesday 18 November 2008 3:02:03 pm Mitch Gore wrote:
> > > From you knowledge does it look like VDPAU will have all the downsides
> > > of XvMC or is it better?
> >
> > Downsides meaning more liable to be stuttery due to less buffering, the
> > greyscale OSD (without colorkey tricks), etc? Naw, none of that applies.
> > When finished, this should be better than regular Xv playback.
>
> Those downsides and doesn't XvMC also suffer from severly limited
> deinterlacing options? Regarding deinterlacing, I believe the vdpau
> docs only list bob and weave deinterlacers. Will there be anything
> like the 2x deinterlacers we have now added to vdpau?
There's more than just bob + weave. Going by the header, it has options for
"motion adaptive temporal de-interlacing" and a "more advanced version of
temporal de-interlacing that additionally uses edge-guided spatial
interpolation". It'll also do IVTC, apparently, too.
> Given your druthers, would you rather have a new E8400/E8500 based
> frontend for viewing HD-PVR recordings or save some cash and use vdpau
> in an older frontend with a new video card? My current frontend can
> only handle 480p HD-PVR recordings and I was about to build a new one
> when the vdpau news broke.
Preliminarily, this stuff looks _very_ promising.
Isaac
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