Digitizing VHS tapes with mencoder

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On Tue, 6 Apr 2010, Josef Wolf wrote:

> mencoder tv:// -tv
> driver=v4l2:input=1:width=768:height=576:outfmt=yuy2:norm=pal:buffersize=100:forceaudio:alsa:adevice=hw.0,0,0:amode=1:immediatemode=0 \
> -oac copy -ovc copy -of avi -ofps 25 -o video.avi
>
> But this complains really often about duplicated frames and dropped frames.
> I am somewhat concerned about those error messages. Will this have a big
> impact on recording quality?

Yes, because you will pointlessly get duplicate frames and skipped frames.

Redefine MAX_SKEW_DELTA in stream/tvi_v4l2.c to 0.02 and recompile 
mencoder. That fixed the problem for me.

Regards,
   Marton


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