[mythtv-users] I'm getting TV-Out Flicker
Allan McIntosh
amcintosh at atreus-systems.com
Sun Jan 1 18:02:51 UTC 2006
Jim Duda wrote:
>> Does anyone have any ideas which might explain the flicker? I
>> realize that "flicker" is hard to describe.
>
>
> When you say flicker, do you mean the playback stutters or pauses?
>
> The playback doesn't stutter or pause. What I see are white lines
> shooting across the image. The lines are broken up. Best I can
> describe it as small white checker boxes randomly shooting across the
> screen. You can see the image clearly, the white checkerboxes are
> just very distracting. It's almost like what one would call "static"
> on an analog TV signal.
>
What resolution are you recording at? I found since ivtv 3.8 when
recording at 640x480 I would occasionally see a mangled frame.
There are links to an example mpeg and screen capture here:
http://ivtvdriver.org/pipermail/ivtv-devel/2005-December/001432.html
I strictly use 720x480 and have not seen any mangled frames since. I
am currently running ivtv 4.0, I have not upgraded to 4.1 to see if
there is any change.
Hmm, does this describe the behaviour you're seeing?
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