[mythtv-users] Problems with vdpau decoding HD content

[Scott]

On May 13, 2010, at 4:42 PM, Brian Long wrote:

> On Thu, May 13, 2010 at 1:14 AM, Scott <list-mythtv at bluecamel.eml.cc> wrote:
> This is a general query to help me with my troubleshooting of a playback problem on my FE.
> 
> I have an ASRock 330 ION loaded with Mythbuntu 10.04 and the 0.23-fixes SVN 24572. The system uses the VDPAU Normal profile and is configured for 512MB of GPU RAM in BIOS.
> 
> Playback with both recorded 720p and 1080i (OTA ATSC from a HDHR) shows seems to run into a glitch. The show starts off fine and pausing, FF/RW, and commercial skip all work fine. At some point, usually 12-30 minutes, the video starts jumping and sometimes the audio too. I see "prebuffering pause" messages logged in mythfrontend.log.
> 
> Are you sure the ASRock is not overheating?  I had problems on my Zotac ION-ITX Atom 230 board with passive cooling.  Any time I ran 1080i content with a deinterlacer, it appears the GPU would scale back due to heat.  This would cause the image to jerk, etc.
> 
> I ended up installing a small 40mm fan in the Mini-Box M350 case I am using and I've not had jerky video since.  FYI, to my knowledge, only kernel 2.6.32 has the needed modules to check ION GPU and/or CPU temperature with lm-sensors.
> 

Hmm, I don't think it's over heating? The ASRock has a small fan in it. I'll add installing sensors to my list and monitor it. 

--
Scott <catfather at donpoo.net>
AIM: BlueCame1

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