[MEncoder-users] Video and Audio async

[Tobias Brockamp]

Am 21.03.2007 um 03:19 schrieb larrystotler at netscape.net:

> -----Original Message-----
> From: tobiasbrockamp at gmx.de
>
>> i'm a newbie to mencoder. I'm trying to encode uncompressed avi-files
> to an avi
>> with xvid and mp3lame.
>
>  mencoder input.avi -ovc xvid -oac mp3lame -xvidencopts bitrate=300  
> -mc 0 -ofps 25 -o output.avi
>
> What's the source fps?  I've seen stuff like this when I used the  
> wrong fps.  You probably don't need to specify it.  Are you using a  
> 2 pass?  XviD is usually  like this, seperating the audio and video  
> passes:
The source fps is also 25fps. I only use one pass because of  
performance issues
>
> mencoder input.avi -oac mp3lame -ovc -copy -mc 0 -ofps 25 -o  
> output.avi
>
> mencoder input.avi -oac copy -ovc xvid -xvidencopts pass=1:turbo - 
> mc 0 -ofps 25 -o output.avi
>
> mencoder input.avi -oac copy -ovc xvid -xvidencopts  
> pass=2:bitrate=300 -mc 0 -ofps 25 -o output.avi
>
> This keeps from running the same mp3lame 2 times.  Speeds up  
> overall times.  Also, why such a low bitrate?  If theres any kind  
> of movement, a 512 or 768 may give better quality.
>
the bitrate does fit for mobile player like Creative Zen (320x240px)
> Good luck.
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