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This is due to a bug in CoreAudio's AudioFile methods. It can't read them. One interesting thing I've noticed is that after stripping certain "atoms" (which also contain personal information) from the files, then AudioFile (and thus Cog), can read them with no problem. Hopefully Apple will get this fixed soon.
Two weeks ago or so I thought I had made sure that the only Apple files Cog wouldn't read were protected aac's?!
Has my brain gone nuts (uh, I mean -- false memory implants/is this a different version of the matrix?) or has it something to do with the recent QuickTime and iTunes update?
Heinz-Peter
I don't know, but I bought a couple of David Bowie albums and couldn't play them, even though they were iTunes plus. CoreAudio was bailing out and wouldn't open them.
I had a hunch it had to do with some messed up atoms after looking at them a bit, so I ran it through the Audio::M4P::QuickTime perl module, and had it clean the personal data atoms, and voila, it worked. I haven't determined the exact reason they were failing yet, though.
I really wish Apple fix this soon. I am really considering move to Cog because iTunes is eating more and more RAM.
I'm curious if this is just a problem with the albums I downloaded or a general problem with iTunes plus files. Anyone else have a similar experience?
I cannot play any iTunes PLUS I purchased.
Also I would to correct what I posted earlier. It seems my iTunes usually use less than 40M memory if I don't open iTunes Store or Cover Flow.
Cog's memory usage will keep increasing after a while of use to, at the moment, 48.5M, and I have only one album in the play list. Considering Cog seem to be much lighter then iTunes, I wonder whether the memory management is faulty?
Yep, there's a memory leak, it's been reported though I haven't had much time to look into it yet.
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