[mythtv-users] Playback problem on M10k - Unable to create XvMCBlocks

Simon G Haslam simon at theHaslam.org.uk
Tue Jun 7 21:46:02 UTC 2005


Hi All,

I have a similar problem on my EPIA M9000.

I'm using MythTv 0.18 with a Nova-T USB2 DVB device.

My log from the frontend looks like this:

2005-06-07 22:18:58.626 Broadcasting free space avail
2005-06-07 22:18:58.627 XvMCSurfaceTypes::find(w 720, h 576, chroma 1, vld
0, idct 1, mpeg2, sub-width 0, sub-height 0, disp, p<= 64, 640 <=p, port,
surfNum)
2005-06-07 22:18:58.628 Trying XvMC port 64
2005-06-07 22:18:58.628 XvMCSurfaceTypes::find(w 720, h 576, chroma 1, vld
0, idct 0, mpeg2, sub-width 0, sub-height 0, disp, p<= 64, 640 <=p, port,
surfNum)
2005-06-07 22:18:58.628 Trying XvMC port 64
2005-06-07 22:18:58.629 Found a suitable XvMC surface 0
XvMC found and using MC surface
2005-06-07 22:18:58.630 Using XV port 64
2005-06-07 22:18:58.630 Broadcasting free space avail
Unable to create XvMC Blocks
2005-06-07 22:18:58.654 Broadcasting free space avail

I'm sure that the Unichrome XvMC drivers are working correctly because using
the MythDVD plugin I am
able to watch DVD's using xine with -V XvMC perfectly.

If I switch off the XvMC option in the MythTv frontend settings then as soon
as I try and watch live tv the entire system
looks-ups and I have to reboot.

Anyone got any idea's?

Thanks

SimonH

----- Original Message -----
From: "Robert Coup" <robert2 at coup.net.nz>
To: <mythtv-users at mythtv.org>
Sent: Monday, June 06, 2005 8:27 AM
Subject: [mythtv-users] Playback problem on M10k - Unable to create
XvMCBlocks


> Hi All,
>
> I have a newly setup MythTV system, running a PVR-150 on an EPIA M10000
> system. After a couple of days of playing, everything prettymuch works,
> except for hw-accelerated playback within mythtv.
>
> If I try to watch live tv, or play back a recording, I get a "Unable to
> initialize video" screen and logs that look like
> (xvmc-problem.mythtv.log). I think the critical message is "Unable to
> create XvMC Blocks". If I disable XvMC in myth's playback settings it
> works (but its stressing the cpu too much so video skips).
>
> I followed the excellent Myth(TV)ology guide by Jarod for the most part.
> - Fedora Core 3, with kernel 2.6.10-1.770_FC3
> - MythTV (0.18.1), DRM, ALSA, LIRC from ATrpms
> - Terry Barnaby's RPMs for Unichrome (2005/04/30)
>
> As far as I can tell, the via hw-decoder is working within xine (see
> xine.vid.log) when I use -V xxmc to play a video.  Trying to open
> /dev/video0 doesn't work within xine, but thats probably just my
> ignorance (xine.tv.log)
>
> If I use mplayer to watch TV [via ptune-ui & /dev/video0] it all works
> (mplayer.log). Using mplayer/xvmc I get output like (mplayer.xvmc.log)
>
> All these logs/configs are at:
> http://homepages.ihug.co.nz/~coup/mythtv/060605/
> Xorg.conf, dmesg output, /var/log/messages, and Xorg.log are all there
too.
>
> Thanks in advance,
>
> Rob :)
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