Re: Reading ID3 tags from MP3s
- From: Andy Wingate <andy6-2@xxxxxxxxxx>
- Date: Fri, 03 Feb 2006 13:32:35 +0000
In message <4df35b592fusenet-nospam@xxxxxxxxxxxxxx>
Segfault <usenet-nospam@xxxxxxxxxxxxxx> wrote:
I'm guessing that iTunes uses a variation of the ID3 tags (v2.? perhaps),
as the AMPlayer module doesn't appear to read tags from MP3s created by
iTunes.
I'm adding ID3 support to ROTunes and finding that the vast majority of my
MP3s return an error when you try to read the ID3 tag using
AMPlayer_FileInfo - all the pointers at offset 16,20,24,28,32 etc are all
invalid (resulting in an address exception if you try to read the address).
[snip]
Is this a specific iTunes variation on ID3, or just a type that RISC OS
doesn't support?
AMPlayer doesn't understand ID3v2 so some other players just skip over
that data so it doesn't get befuddled. To see if your files are using
ID3v2, you may want to use Chris Johnson's ID3TagEd
<URL:http://www.chris-johnson.org/software/id3taged.html> which will
show you what is in the v2 tags and can also copy v2 tags to their v1
equivalents (subject to the size constraints of v1).
For information on ID3v2, a web search would work but
<URL:http://www.dv.co.yu/mpgscript/mpeghdr.htm> gives information on
the frame headers and
<URL:http://www.id3.org> should give you more in-depth information
about ID3.
--
Andy Wingate <URL:http://www.sparse.net> OpenPGP key 0xC642BF8A
The earth is like a tiny grain of sand, only much, much heavier.
.
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