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On Thursday 28 December 2006 17:39, Arturo 'Buanzo' Busleiman wrote: |
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> Dave S wrote: |
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> > Hi all, |
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> > |
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> > I have a bunch of .avi video files that I use in a openoffice |
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> > presentation, they are nice and clear but really large files (1 - 2 GB |
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> > each !). |
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> > |
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> > I know nothing of video files, is it possible for me to re-encode them to |
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> > a more efficient format without loosing quality ? |
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> |
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> I use something like this. Adapt for your usage. It takes some parameters, |
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> but it's mainly used for dvd ripping: |
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> |
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> #!/bin/sh |
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> rm frameno.avi |
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> echo "DVD TITLE: $1" |
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> echo "OUTPUTFILE: $2" |
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> echo "SID: $3" |
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> echo "AID: $4" |
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> echo "Is that what you want? Press enter for OK, CTRL+C to cancel." |
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> read k |
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> mencoder dvd://$1 -sid $3 -aid $4 -ovc frameno -o frameno.avi -oac mp3lame |
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> -lameopts mode=1:vbr=2:q=6 -af volnorm -af-adv force=0 |
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> mencoder -oac copy -ovc xvid -xvidencopts |
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> bitrate=-1400000:me_quality=6:chroma_opt:vhq=0:pass=1 dvd://$1 -sid $3 -aid |
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> $4 -o /dev/null |
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> mencoder -oac copy -ovc xvid -xvidencopts |
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> bitrate=-1400000:me_quality=6:chroma_opt:vhq=0:pass=2 dvd://$1 -sid $3 -aid |
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> $4 -o $2 |
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> |
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> Check out the bitrate= parameter in the last two commands. The negative |
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> number tells mencoder to create a 1.4gb file (that's 1400000kilobytes, |
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> rounded up, not exact 1.4gb). |
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> |
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> -- |
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> Arturo "Buanzo" Busleiman - Consultor Independiente en Seguridad |
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> Informatica ¿No sabés a dónde ir a comer o tomar algo? Visitá |
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> www.vivamoslavida.com.ar LISTA DE CASAMIENTO: Cualquier Fravega a nombre de |
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> Busleiman (37520). |
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Thanks for that I will give it a go :) |
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|
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Dave |
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|
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-- |
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