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List:       kde-multimedia
Subject:    Re: Help: I need a proper method to detect 99% of all mp3 files
From:       Matthias Welwarsky <mwelwarsky () web ! de>
Date:       2004-07-08 12:34:49
Message-ID: 200407081434.49420.mwelwarsky () web ! de
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On Tuesday 06 July 2004 14:52, Scott Wheeler wrote:
> On Tuesday 06 July 2004 12:49, Matthias Welwarsky wrote:
> > Well, the proper method is to parse the bitstream and see if it is
> > compliant to the standard. This is both quick and reliable, and works
> > with and without tags.
>
> Well, except for the quick part.  ;-)
>
> Operations like this are bound by disk speed, not code complexity or CPU
> time.

Hm? mp3 frames are typically around 400 byte long, and decoding a few of them 
is probably much less a hassle than parsing a tag. So the "disk speed" not an 
issue, not even over network or USB.

Reading an ID3v1 Tag at the end of a file takes more time due to the necessity 
to seek.

regards,
	matthias
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