[mythtv] Re: ALSA "fixes" actually break stuff in CVS?
Terry Barnaby
terry1 at beam.ltd.uk
Tue Dec 14 07:20:18 UTC 2004
Hi,
The "juddering" may be the same as I am seeing. See my post "Problem
with severe video jitter in current MythTv".
This started occuring after upgrading to the CVS release after 0.16.
I am tracking this down by rebuilding MythTv on various CVS dates.
So far the problem seems to have been introduced between CVS dates:
2004-11-29 and 2004-12-02.
I have found that setting "Use Video as Timebase" cures the judder.
My system, a Via M10K using Unichrome drivers, uses the DRM VSYNC
interrupt for video frame output sync ...
Terry
Ed Wildgoose wrote:
>
>> Let me know if there's a better way you'd like me to find information
>> you need to help troubleshoot this problem.
>
>
>
> Well, since I don't have the problem here, you will need to be a bit
> more ingenious at your end and try to help narrow down what the problem is.
>
> Why not try reducing the verbose levels and see if you can figure out
> which setting is causing the sound to work and which to judder? It's a
> strange phenomena that you are seeing though.
>
> The intel 8x0 drivers have plenty of bugs, but I'm not quite sure what
> is going on here. Can you see if the resampling code is kicking in
> here, ie are you playing back at 48Khz and recording at something else?
> Check in the verbose audio output to get more detail.
>
> Ed W
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