[mythtv-users] AT5IONT-I unable to use vdpau

Andrew Barbaccia andrew.barbaccia at gmail.com
Sat Feb 26 01:35:41 UTC 2011


On Fri, Feb 25, 2011 at 6:07 PM, Glenn Sommer <glemsom at gmail.com> wrote:

> I've recently replaced my standalone mediecenter with a
> frontend+backend solution.
>
> The backend is the old standalone mediecenter, and is doing a really good
> job.
> The frontend is a Asus AT5IONT-I board, with a d525 CPU and 2 x 2GB
> SODIMM RAM (800Mhz)
>
> Even with quite simple SD recordings, this frontend is unable to do a
> proper playback using VDPAU!
> (example recording: http://glemsom.users.anapnea.net/sd-playback.mpeg)
>
> Even with temopral x1 I get this in my log:
> 2011-02-25 23:53:27.443 Player(2): Video is 3.1211 frames behind audio
> (too slow), dropping frame to catch up.
> 2011-02-25 23:53:27.444 Player(2): Video is 3.02833 frames behind
> audio (too slow), dropping frame to catch up.
> 2011-02-25 23:53:27.853 Player(2): Video is 3.14215 frames behind
> audio (too slow), dropping frame to catch up.
> 2011-02-25 23:53:27.853 Player(2): Video is 3.1066 frames behind audio
> (too slow), dropping frame to catch up.
> 2011-02-25 23:53:28.083 Player(2): Video is 3.17467 frames behind
> audio (too slow), dropping frame to catch up.
> 2011-02-25 23:53:28.084 Player(2): Video is 3.0685 frames behind audio
> (too slow), dropping frame to catch up.
> 'video_output' mean = '40195.26', std. dev. = '13624.02', fps = '24.88'
> 2011-02-25 23:53:28.433 Player(2): Video is 3.02905 frames behind
> audio (too slow), dropping frame to catch up.
> 2011-02-25 23:53:28.723 Player(2): Video is 3.16652 frames behind
> audio (too slow), dropping frame to catch up.
> 2011-02-25 23:53:28.723 Player(2): Video is 3.06238 frames behind
> audio (too slow), dropping frame to catch up.
> 2011-02-25 23:53:29.053 Player(2): Video is 3.18767 frames behind
> audio (too slow), dropping frame to catch up.
> 2011-02-25 23:53:29.053 Player(2): Video is 3.147 frames behind audio
> (too slow), dropping frame to catch up.
> 2011-02-25 23:53:29.353 Player(2): Video is 3.06542 frames behind
> audio (too slow), dropping frame to catch up.
> 2011-02-25 23:53:29.623 Player(2): Video is 3.0612 frames behind audio
> (too slow), dropping frame to catch up.
>
> The CPU is close to idle all the time, and I have no idea what is causing
> this!
>
>
> * Video out is through the onboard HDMI
> * Audio is through the onboard SPDIF
> * There is NO special asound configuration
> * Audio-upmix is disabled
> * VDPAU using temporal X1
>
> According to the wiki, this setup should do Advanced X2 for SD
> content, and Temporal X2 for HD. (http://www.mythtv.org/wiki/VDPAU)
> As described in the wiki, I've added "nvidia-settings -a
> '[gpu:0]/GPUPowerMizerMode=1'"   to my .xinitrc, and I've disabled
> Composite in xorg. (with no luck)
>
> On a (unrelated) side note, I have a Windows 7 setup using the same
> mainboard and RAM - that that setup is with coreavc (software
> decoding) able to show 720p, and 1080p (if the bitrate isn't too high)
>
>
> System configuration:
> mythfrontend --version
> Please attach all output as a file in bug reports.
> MythTV Version   : v0.24-189-ge0a7720-dirty
> MythTV Branch    : branch-fixes/0.24
> Network Protocol : 63
> Library API      : 0.24.20101129-1
> QT Version       : 4.6.3
>
> equery l | grep nvidia
> media-video/nvidia-settings-260.19.29
> x11-drivers/nvidia-drivers-260.19.29
>
>
> Anyone know what could be causing this?
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>

Glenn,

Are you connecting wirelessly? I had similar problems with my setup and it
turned out to be the wifi rather than the video decode. I would copy a file
to the local hard drive to test playback, or do some throughput tests using
iperf.

-Andrew
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