[mythtv-users] Bob deinterlacing drops frames, but not high CPU

Mark Kendall mark.kendall at gmail.com
Wed May 16 14:18:04 UTC 2007


On 5/16/07, Matt Doran <matt.doran at papercut.biz> wrote:
> What's going on here?   If I disable OpenGL sync and use RTC, bob drops
> frames .... If I enable OpenGL sync I get an confusing message about
> frame and refresh rates.
>
> Is this error because my refresh rate is 20040usec , which is 49.9Hz ...
> which isn't double 25?    Isn't it being a bit picky?  :)
>
>
>
> If this is the case, how can push my refresh rate over 50Hz.   I'm using
> a built-in modeline "1280x720_50".     From my xorg log, I think the
> modeline is:
>
>    (--) NVIDIA(0):   1280 x 720  @ 50 Hz
>    (--) NVIDIA(0):     Pixel Clock      : 74.25 MHz
>    (--) NVIDIA(0):     HRes, HSyncStart : 1280, 1720
>    (--) NVIDIA(0):     HSyncEnd, HTotal : 1760, 1980
>    (--) NVIDIA(0):     VRes, VSyncStart : 720, 725
>    (--) NVIDIA(0):     VSyncEnd, VTotal : 730, 750
>    (--) NVIDIA(0):     H/V Polarity     : +/+
>

xvidtune (at least I think that's what its called) will let you tweak
your modeline on the fly. You should just need to extend the
horizontal timings slightly.

Mark


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