[MPlayer-users] Digitizing VHS tapes with mencoder

[Rolf Ernst]

On 4/6/2010 12:11 PM, S Andreason wrote:
> Josef Wolf wrote:
>> I am about to digitize my VHS tapes. Since this are old family 
>> recordings, I'd
>> like to have the best quality I can get.
>>
>
> Hi Josef,
> I don't see what video codec it should digitize to. Perhaps it can't 
> handle the raw stream?
>
> Here are two commands I use to digitize from my AVI capture card.
>
> mencoder -tv 
> driver=v4l:norm=ntsc:width=640:height=480:input=1:adevice=/dev/dsp1:immediatemode=0:audiorate=32000:forceaudio 
> \
>        -rawaudio rate=32000 -ovc lavc -lavcopts 
> vcodec=mpeg4:vbitrate=2500 -oac lavc \
>        tv:// -o out.avi
>
> ffmpegrec -d /dev/dsp1 -r 32000 -N 64 -s -v /dev/video0 \
>         -norm NTSC -input Composite1 -ff mpeg \
>         -vc mpeg4 -w 640 -h 480 -H 75 -M 40 -deint bilin -vb 6000 \
>         -o out.mpg
>
> I don't get any dropped frames.
> Stewart
>
I think you already have captured it to an AVI file? If so, why not 
encode it at h.264 (-ovc x264) with a high quality (-crf 20 - 23)?

/re