[mythtv-users] mythbuntu video stutter

[George]

Any help for the same problem but using ATI, as I explained below?

TA

On 24/03/2010 9:10, George wrote:
> On 24/03/2010 1:36, Ramasubramanian Ramesh wrote:
>> I have the latest mythbuntu istalled from about a month ago release. I
>> have 9400 GT video card with VDPAU (level2 <= 720P and
>> level1 > 720P) turned on for acceleration . My MB is a old AMD 939 board
>> with Athlon signle core 2Ghz (2GB, DDR 400). I have periodic video
>> stutter (about once in 10min) for about 15/30sec or so when I watch
>> recorded shows (HD material). I usually either pause or rewind for a few
>> second and stutter will go away.
>>
>> I have gone through mythtv VDPAU suggestions for turning off composite,
>> cpu freq scaling.
>> I also added triple buffer. I increased video buffer in backend_setup to
>> large amount. Even with all this I still get the hiccups. Note that
>> there is no problem in watching videos of from a DVD folder (obviously
>> this is not HD) even from a remote machine through samba. I checked the
>> machine load when the stutter happens and it does not show anything more
>> than 20-30%
>>
>> Can any one suggest what other things I can do to solve this?
>>
>> Ramesh
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>
> I have the same problem using an ATI HD4200. I thought it was that the
> TV Channel didn't have enough signal, as this only happens while
> watching recordings.
>
> I think is due to that it change mpeg files in the same recording and it
> is matter of buffering but don't know the solution.
>
> BTW I have a Nova T-500 and if I set the PVR-530 (ivtv) as the default
> option for output profile the quality of the image is great but after 20
> min, the recording playback is restarted.
>
> Now I'm using xvmc-blit as the renderer and I have the same problem as
> Rama.
>
> Any help is more than welcome as losing 3 min of my recordings is a
> pitty (actually always following the murphy law ;))
>
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