[MEncoder-users] h264 3-pass mode

[Grozdan Nikolov]

On Tuesday 16 January 2007 03:54, Kevin Downey wrote:
> On 1/15/07, Grozdan Nikolov <microchip at chello.be> wrote:
> > Hi,
> >
> > I have a question about 3-pass encoding with x264. I read the man page
> > and from what I understand, when I'm doing a 3-pass encoding, I will have
> > to encode the movie 4 times.... is this correct???
> >
> > From what I understand...
> >
> > 1-pass -> collects statistics
> > 2-pass - > reads statistics & bases ratecontrol decision
> > 3-pass -> does both, if first reads the statistics then it overwrites
> > them
> >
> > so, the final pass of 3-pass encoding must be the fourth one, where it
> > reads the overwritten statistics and encodes the movie. Is this correct??
>
> #3 happens simultaniously
> 2 pass encoding is the same

Thanks, so I won't have to encode the movie four times, only 3 :)