Re: [dvd::rip] 2nd pass really slow

[Mark Rose <shifted@xxxxxxxxxx>]

For that hardware, your frame rate is quite reasonable. The first pass
doesn't actually do any encoding -- it simply looks at the difficulty,
or amount of information (movement, variety of colours, small or large
areas of the same colour, etc.) in any given part of the video. It
writes this information to a file which the second (encoding) pass uses
to assign more bandwidth/bits to the more challenging areas. If it
didn't do this, there would be no way to get a specific file size with
variable bitrate encoding.

If you did a single pass encoding, it would probably take you at least 3
hours, too. Don't forget that the length and difficulty (e.g. action is
harder than cartoon or drama) will also affect encoding times.

On Wed, 2005-01-06 at 18:24 -0700, Johnathan Bat wrote:
> Hey, I recently found dvd::rip and started using it, first movie I
> ripped went well, but now i'm trying to rip another and the 2nd pass
> is going quite slow. i'm getting 13.4 FPS trying to encode to xvid4
> with a target media of one 700 MB. I don't think i've changed any
> settings since the first... it's taking me about 3+ hours on the
> second pass. I have a 2.2ghz celeron with 256MB of DDR, if any other
> information would be useful, let me know. 
> 
> --Bill 
>  
> 
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-- 
Mark Rose <shifted@xxxxxxxxxx>
Public key: http://shifted.ca/pubkey.asc