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Subject: Re[2]: ID3 tag problem with some MP3s
From: Eric Linenberg (elinenbe_at_umich.edu)
Date: 2003-10-17


Linus: 1 ID3 tag: 0

-eric

LNF> Johan Vromans wrote:
>> I have a couple of (actually, several) MP3s that fail to correctly
>> display their ID3v2 tags. My guess is that this is caused by strange
>> tags or tag contents.
>>
>> I've put an example on
>> http://www.squirrel.nl/pub/xfer/rb20031016.mp3
>>
>> id3v2 tag info for rb20031016.mp3:
>> TLEN (Length): 194000
>> TYER (Year): 1974
>> APIC (Attached picture): ()[, 0]: image/jpg, 13383 bytes

LNF> As far as I can see, the APIC frame is declared to be 0x3454 bytes long,
LNF> that is 13396 bytes. However, the APIC frame is in fact 0x56 bytes
LNF> longer than that, so Rockbox is not able to skip the APIC frame to find
LNF> the next one.

LNF> I adjusted the APIC length to its correct value and Rockbox had no
LNF> problems reading all frames. Conclusion: the ID3 tag is corrupt.

LNF> Linus



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