Rockbox

  • Status Closed
  • Percent Complete
    0%
  • Task Type Bugs
  • Category Music playback
  • Assigned To No-one
  • Operating System
  • Severity Low
  • Priority Very Low
  • Reported Version Daily build (which?)
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: Rockbox
Opened by Anonymous Submitter - 2002-12-09
Last edited by bagder - 2003-12-05

FS#604 - ID3 info not being displayed (Rioport id3v2 bug)

Daily builds after 12/01/2002 do not display all of the ID3
information on some (not all) of my MP3‘s (Builds
11/30/2002 and earlier properly display this info)

This seems to affect MP3‘s that I ripped using Rioport
audio manager - MP3‘s ripped with MusicMatch display
OK.

Jukebox Recorder 20
Firmware 1.28
HW Info:
ROM: 1.28
Mask: 0×0302 USB: positive
ATA: 0×200 PR: positive
Freq: 11.0592MHz

Closed by  bagder
2003-12-05 09:36
Reason for closing:  Wont Fix
Project Manager
zagor commented on 2002-12-09 14:31

Can you upload an exampe to use for debugging?

Anonymous Submitter commented on 2002-12-10 00:53

Here is an MP3 that displays properly in the earlier builds,
but not in the later ones.

Thanks for all your efforts.

Michael
mfacelle@familink.com

Anonymous Submitter commented on 2002-12-10 01:28

Sorry…

I’m trying to upload an MP3 for an example, but I can’t
figure out how to attach a file to a follow up comment. I
started a new thread to attach the file, but it was too big
and did not attach ( the file is ~1.2M).

Is there an easy way to ‘truncate’ an MP3 so I can upload
it?

Michael
mfacelle@familink.com

Anonymous Submitter commented on 2002-12-10 01:29

Sorry…

I’m trying to upload an MP3 for an example, but I can’t
figure out how to attach a file to a follow up comment. I
started a new thread to attach the file, but it was too big
and did not attach ( the file is ~1.2M).

Is there an easy way to ‘truncate’ an MP3 so I can upload
it?

Michael
mfacelle@familink.com

Anonymous Submitter commented on 2002-12-10 02:07

Finally… chopped up an MP3 using WordPad, and posted
it under thread #651224 (I still can’t see how to attach a
file to a followup comment)

Thanks

Michael

Project Manager
linusnielsen commented on 2002-12-10 12:07

I have examined your file and I saw what was wrong. Rioport
has the silly habit of adding empty ID3 frames (length = 0)
in the tag. I quote from the ID3V2.3 specification:

“A frame must be at least 1 byte big, excluding the header.”

So Rioport violates the ID3V2 standard. Send them an email
and complain about them generating invalid ID3V2.3 tags.

FYI, we added the length=0 check the 28th of October.

The reason it worked for you may be that the “working” files
contain both V1 and V2 tags. December 3 we changed the ID3
code so it ignores the V1 tag if there is a V2 tag. So now
it tries to use the V2 tag, encounters the invalid frame and
aborts.

Anonymous Submitter commented on 2002-12-10 14:34

Thanks for all your help.

You guys are doing a great job!!!!

Michael
mfacelle@familink.com

Anonymous Submitter commented on 2003-01-08 11:59

I’ve just found the same problem, having downloaded the
lastest daily build.
any suggestions for how I can see if it’s caused by the same
empty frame issue? (a binary sequence to look for in the
file, perhaps?)

I only have it on some MP3s, and I’m guessing that they’re
the ones I did when I was using Real Jukebox, which I
stopped using some time ago now.

If it is the same cause, I’ll just try to fix the broken MP3s.

Thanks,
Rob

rockbox@woozle.dircon.co.uk

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