[vdr] Re: script to convert multiple *vdr to cd-sized *avi

[Andreas Reichel <andreas.reichel@i-kit.de>]

On Sat, 9 Mar 2002 12:44:32 -0000
"Simon Dean" <linux-dvb@sickhack.com> wrote:


> > BITRATE=$(( ${CDSIZE} * ${CDCOUNT} * 204800 / ${FRAMES} ))
> > MOVIE_BITRATE=$(( ${BITRATE} - ${AUDIO_BITRATE} ))
> 
> I haven't read either scripts and I don't know whether you are encoding
> using a variable bitrate codec but if you are then the above formula
> would be invalid and you would need multiple encoding passes to produce
> accurate file sizes.  
> 
> Simon 

hallo Simon,

please point out detailed, where i'm wrong.
the script uses two-pass encoding with vbr, and i've tried encode three movies when i published this.
but i know, i'v never hit the point exactly (but i missed it on the safe side everytimes) -- all my two cd sized movies need only 630-650 mbyte on the second cd, so about 50mb were wasted senseless.
can you guess, what i've done wrong? how to make it better? please help me, thanx a lot.

greetings,
Andreas
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