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

[Jonathan Rogers]

Nikolaus Rath wrote:
> Yes, that's clear. But what kind of value is "tex" Is it in a certain
> range (0 - 1)? What happens if I set vrq_eq=0.5? What the manpage
> actually says is that a return value of 1 means constant bitrate and
> some other value ("tex") means constant quality. Nothing more. You
> can't really customize the function with these informations. What is
> the allowed range (and scale) of return values and how do they
> influence encoding? What scale and in what range are the mentioned
> variables?

I agree that the manpage doesn't have enough information to understand 
the whole thing, but it does have enough to understand how to use the 
default equation. From what Rich has said, it sounds like it's the 
derivative of the user specified function that matters.

Jonathan Rogers