[MPlayer-users] Re: 1080i to 1080p mpeg2 or x264?

[Steven Adeff]

On 3/3/06, Loren Merritt <lorenm at u.washington.edu> wrote:
> On Fri, 3 Mar 2006, RC wrote:
> > On Fri, 3 Mar 2006 19:56:58 -0500 Steven Adeff wrote:
> >
> >> If I "do the math" with x264 all I'll get is the rough chance that
> >> x264 will end up at the file size I want.
> >
> > No, it's not a rough chance.  If the ratecontrol is at all decent, you
> > can get it down to the exact size you want, perhaps off by a MB at most.
>
> More importantly, the ratecontrol won't magically get more accurate just
> because you specify bitrate*time instead of bitrate.
> The two forms in xvid are exactly equivalent.
>
> --Loren Merritt

so in XVID when I give it a total size it just takes that, divides it
by the time length of the file and uses that value as the average
bitrate?

--
Steve