[MPlayer-users] Question about bitrate when encoding with mencoder

[jasonrc at gomdoli.com]

here was the command I used:

mencoder -dvd 1 -alang ja -slang en -ovc frameno -o frameno.avi

this was modified from the example "mencoder -dvd 2 -ovc frameno -o
frameno.avi"

I followed this up with:
mencoder -dvd 1 -alang ja -slang en -divx4opts br=705 -oac copy -o
movie.avi -pass 1
mencoder -dvd 1 -alang ja -slang en -divx4opts br=705 -oac copy -o
movie.avi -pass 2

The resulting file was 2GB and looked wonderful

So now, I just guess I need to know what part I did wrong.

jason

On Sun, 05 May 2002, Julian J. M. wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> El dom, 05-05-2002 a las 02:23, jasonrc at gomdoli.com escribi?:
> > [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> > here is the end of the output. what part is wrong (i did this following
> > the example laid out in the mencoder documentation.
> > 
> > jason
> > 
> > Recommended video bitrate for 650MB CD: -862
> > Recommended video bitrate for 700MB CD: -810
> > Recommended video bitrate for 800MB CD: -705
> > 
> > Video stream:    0.767 kbit/s  (95 bps)  size: 768964 bytes  8017.645
> > secs  192241 frames
> > 
> > Audio stream: 1536.000 kbit/s  (192000 bps)  size: 1539360768 bytes
> > 8017.504 secs
> 
> The problem here is that the resulting AVI file won't fit in a 800MB
> CD... Look at the audio bitrate 1536 (did you use MP3 or PCM?). The
> audio size is 1468Mb!!. You'll need negative video sizes to fit it in
> one CD. :)
> 
> Bitrate = ( MB*1024*1024 - AS ) / ( 125 * TI )
> 
> MB=Desired size of the movie in Mb
> AS=Size of the audio (size of frameno.avi??)
> TI=Time of the movie in seconds.
> 
> Greetings,
> 	Juli?n
> 
> 
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