[ID3 Dev] Embedding Cover Art

Hammond, Tony T.Hammond at nature.com
Tue Nov 22 09:09:33 PST 2005

Hi Guys:
I know this is probably a FAQ somewhere but couldn't find it, but have been
tearing my hair out with Perl MP3::Tag module - great stuff, but for this
one detail: embedding a PNG file for cover art into an MP3. Code I have is:
my $mp3 = MP3::Tag->new($mp3_file);
my $id3v2 = $mp3->{'ID3v2'} if exists $mp3->{'ID3v2'};
my $cover;
open F, $png_file;
my $filesize = (-s F);
binmode F;
read(F, $cover, $filesize);
close F;
$id3v2->add_frame('APIC', chr(0x0), 'image/png', chr(0x3), 'Cover art',
I seem to just get a corrupted frame which then corrupts the other frames.
PNG file seems to be good as I write a copy out to disk and check that.
Any help very gratefully received.

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