[MPlayer-dev-eng] MPCF proposalHi.

Michael Niedermayer michaelni at gmx.at
Tue Mar 11 21:20:45 CET 2003


Hi

On Tuesday 11 March 2003 15:59, Moritz Bunkus wrote:
> Hi.
>
> > hmm, ok, u won, i agree that for simplicity its better to store the
> > samplecount or timestamp per subpacket somehow, do u know the typical
> > size of vorbis packets? perhaps we could save some space by RLE encoding
> > them
>
> I've just coded a simple perl script that uses ogminfo (not ogginfo) to
> calculate that size. I've let it run on two complete albums that I
> grabbed from CDs ("Tori Amos - Under the Pink" and "Dave Matthews Band -
> Crash" if anyone wants to know ;)). Both use different Vorbis qualities
> (3 and 4 if I remember correctly). For the Tori Amos album the average
> number of bytes per packet is somewhere between 250 and 320. For the
> Dave Matthews Band album (quality setting 3 or even only 2.5) it was
> between 170 and 260.
hmm, i meant the number of samples after decoding, not the size of the encoded 
packets, sorry :(
only thing i could guess from ogminfo is that its a multiple of 64

Michael


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