[vorbis] Slow stream opening (Was Re: Average Bitrate Calculation)

[Jay Sprenkle]

> > Any editing is MUCH nicer if you can seek without having to decompress the
> > stream all along the way.
> 
> Ogg packets actually have a field called granule_pos which the encoder fills
> with a codec specific index _allowing_ you to seek through a stream without
> decoding.  The vorbis codec sets granule_pos to the sample number (if I
> remember correctly).  So the problem you describe has already been solved.
> The opening delay is described above is due to seeking through the file, not
> decoding anything at the vorbis level.
> 

NICE! You guys are a wonder. Thanks.

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