[mythtv-users] OT: PVR-250 /dev/yuv fixup?
papenfuss at juneau.me.vt.edu
papenfuss at juneau.me.vt.edu
Wed Mar 31 12:13:27 EST 2004
Hey all... I've been trying to use my resolution test patterns to
quantify the resolution softness I see with my PVR-250. Thinking that perhaps
it's due to the mpeg encoder part of the chip and not the analog/capture signal
path, I've been trying to capture some raw frames. I've recompiled the ivtv
module with the FIXUP defined, but it crashes every time I try to grab anything
(even with non-scaled 720x480 resolution). Anyone ever try this?
A way around it would be to capture the hauppauge-proprietary YUV
format (default ivtv without the FIXUP) and post process it. I've done some
googling, but no leads on any code to do this. So, basically, I can capture
some data that vaguely resembles YUV data, but can't play it or process it with
anything.
Thoughts?... I'll try on the ivtv list too.
Thanks
-Cory
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