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Re: playback of purchased music in iTunes via core audio
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Re: playback of purchased music in iTunes via core audio


  • Subject: Re: playback of purchased music in iTunes via core audio
  • From: Jens Alfke <email@hidden>
  • Date: Tue, 3 Feb 2009 09:08:41 -0800


On Feb 3, 2009, at 2:54 AM, John Clayton wrote:

Can I use core-audio to play back iTunes DRM'ed music?

No, for exactly the reason you described: it would allow conversion to non-DRM'd formats. The only way to play back .m4p files is to use QuickTime's high-level Movie API (or the equivalent QTMovie class.) This gives you basic transport controls but no access to the underlying samples.


(Also note that there's an entertaining DRM-related feature in QuickTime: if it's loaded a protected audio file, and detects that a debugger is attached, it will abort the process. I've had this happen to me a few times by accident!)

—Jens

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 >playback of purchased music in iTunes via core audio (From: John Clayton <email@hidden>)

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