[MPlayer-users] Re: variable bitrate, fixed quality

[Jonathan Rogers]

Nikolaus Rath wrote:
> I want to encode a video with a completely variable bitrate but with a
> fixed quality. I don't want to use a fixed quantizer too, because this
> would waste space. The codec should decide which is the best quantizer
> for a particular scene (in the ideal case there would be a -quality
> option).
> 
> Can someone tell me the appropriate encoding options? I tried it with
> lavc and xvid without success.
> 
> They both always try to achieve the specified bitrate (If I don't specify
> one, the default of 800 is used).

There are many lavcopts which can be tuned. I would experiment with ones 
like "vqcomp" and "vrc_eq". Make sure you're using "vhq".

Jonathan Rogers