ac100 team mailing list archive

[Marc Dietrich <Marc.Dietrich@xxxxxxxxxxxxxxxxxxxxxxxx>]

Am Freitag, 27. September 2013, 10:19:02 schrieb Gordan Bobic:
>  On Fri, 27 Sep 2013 11:00:14 +0200, Marc Dietrich <marvin24@xxxxxx>
> 
>  wrote:
> > Am Freitag, 27. September 2013, 08:56:47 schrieb Gordan Bobic:
> >>  I'm not having much luck with video playback performance
> >>  using the Tegra binary driver. Without scaling things
> >>  work OK. Scaling up results in quite awful frame skipping.
> >>  
> >>  mplayer I built defaults to -vo xv xv after complaining
> >>  that there is no vdpau_nvidia.so (is there such a thing
> >>  for soft-float ARM for Tegra?). This gets things to the
> >>  correct aspect ratio, but fullscreening slows down
> >>  dramatically. Using -vo x11 doesn't scale at all,
> >>  resulting in distortion due to aspect ratio.
> >>  
> >>  -vo gl and -vo gl2 produce one frame every 10 seconds or
> >>  so - I'd have expected this to work since the Tegra
> >>  driver does provide a GLES implementation which I would
> >>  expect to be sufficient for something as simple as
> >>  texture tiling/stretching.
> >>  
> >>  Has anybody got this working passably well?
> > 
> > AFAIK, xv is not supported. Video decode goes via
> > gstreamer/openmax only.
> 
>  That rings a bell from an IRC conversation ages ago.
> 
>  Did anyone ever get this working?

again, this works fine with 3.1 kernel, even without patching mplayer. 

> 
>  https://gitorious.org/ac100/mplayer-omx/source/d83d4f48444c51c36ee9cd86f895
> c976d5825875:
> 
>  I'm starting to form the opinion that the Tegra binary
>  driver isn't all that useful vs. the 62MB RAM tradeoff.
>  The things that it is supposed to help with tend not to
>  work without jumping through an awful lot of hoops.
> 
>  Gordan
> 
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-- 
Dipl. Phys. Marc Dietrich
Institut für Angewandte Physik
- AG Kleinkühler -
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