[MPlayer-users] please help with video capture

Loren Merritt lorenm at u.washington.edu
Fri Sep 24 23:13:32 CEST 2004

On Fri, 24 Sep 2004, Ricardo Kleemann wrote:

>>> In any case, can someone help me out with the appropriate command line to
>>> perform the capture and generate the encoded file?
>>> Thanks for your help
>> Do you have tried this ?
>> mencoder -oac copy -ovc copy -tv driver=v4l:input=1:width=320:height=240
>> tv:// -o Capture.avi
> Thanks, I'll give that a try...
> Is avi lossless? Can I re-encode it to mpeg4 for streaming without much loss
> in quality?

AVI is a container. Whether it's lossy or not depends on the compression 
format you use. But "-ovc copy" just copies the input video stream as-is, 
so it is lossless, and you can encode from Capture.avi

--Loren Merritt

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