[MPlayer-users] RFC: docs update for "how to create a high quality DVD rip"

Hans du Plooy hans at ananzi.co.za
Mon Jun 7 21:56:02 CEST 2004


On Monday 07 June 2004 22:00, D Richard Felker III wrote:
> > In 3-pass mode, the first pass only decodes the audio and encodes it into
> > whatever you want.  It does not decode the video at all (else it would be
> > a lot slower than it is).  It probably only looks at the size of the
> > video and gives you a rough estimate of what bitrate you should use to
> > get the desired size.  That estimate is not 100% correct, but mostly
> > quite accurate.  If you
>
> No, this is nonsense. You do not need to know ANYTHING about the video
> except the length in seconds to pick the bitrate. This is obvious to
> anyone who's completed middle school math.
So encoding a movie thats 100x100 pixels is going to take the same amount of 
space as a 720x576 if you use the same bitrate?   I think not.

> > the a/v sync trouble you have has nothing to do with 3-pass mode.   I'll
> > tell
>
> Yes it does.

Then why have I never experienced it in three pass?

Hans




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