Re: [Encode2mpeg-users] vcd 2 pass

[Osmany g. C. <osm...@ci...>]

On Wed, 2006-10-18 at 15:48 -0400, Giacomo Comes wrote:
> On Wed, Oct 18, 2006 at 02:20:11PM -0400, Osmany guirola Cruz wrote:
> > Hi 
> > 
> > I am trying to do a vcd with fixed size(1 CD 700MB) and i am using
> > encode2mpeg with mpeg mode and 2 pass but i am having problems because
> > the final mpg have only 432MB :( , in direct mode(with optionm -q 4 for
> > mpeg2enc) the final mpg have a size of 840MB i don't understand why in 2
> > pass mode the file is so short.
> > 
> > this is my line
> > 
> > encode2mpeg film.avi -abr 128 -mpeg1vbr -mpeg -encode 5:4:2 -o vcd
> 
> Do you see a visual difference between the two encodings? If not then the result 
> is ok. I assume that mencoder with 2 pass encoding is far more efficient than 
> mpeg2enc. But I don't really know what happens with mpeg2enc when you change 
> the quantizer. You should get more similar results in size if you use the
> default quantizer (8).

my real problem is that i want to do a "2 pass" to fix the size of the
vcd to one CD or the size that i want :) .  but i think that it's to
much diference in size  432MB <<<<<700MB ..
my idea is that with 2 pass i can fix in one CD a very big film (without
high quality) but if i have a short film the quality should be better(in
the range of 1152kbit/s of course)





> 
> Giacomo
> 
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