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

[Julian J. M.]

El dom, 05-05-2002 a las 02:23, jasonrc at gomdoli.com escribió:
> [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,
	Julián