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

Glenn Sommer glemsom at gmail.com
Fri Feb 25 23:07:06 UTC 2011


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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