[mythtv-users] vdpau worth it for hdtv?

Nick Rout nick.rout at gmail.com
Sat Nov 28 20:47:59 UTC 2009

On Sat, Nov 28, 2009 at 7:15 PM, Brad Templeton
<brad+myth at templetons.com> wrote:
>> ffmpeg -i filename.avi
>> should tell you the codec.
> It's
>     Stream #0.0: Video: mpeg4, yuv420p, 1920x1088, PAR 136:135 DAR 16:9, 30 tbr, 1k tbn, 1k tbc
>    Stream #0.1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
> Disturbingly, I now see it is not the bandwidth to the video card
> over PCI that is causing the problem.  I get the same problem
> on my core2 duo system with a gt220 card on pci-e x16.
> So I checked and myth itself is unable to play this video properly
> any more (be it with vdpau or in cpu++ mode and the software decoder.)
> xine and mplayer barf on the .nuv (not unusual) but VLC is able to play
> the video smooth and fine, no vdpau.
> So something else has gotten broken in the playback of the old transcoded
> nuvs.  They play very jerky and with a strange distortion that's hard to
> describe, it looks like a mixture of extreme deinterlacing artifacts
> combined with mp4 artifacts, but it is not visible when playing with vlc.

any relevant logging?

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