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Re: decoding AAC/MPEG-4/mp4 files
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Re: decoding AAC/MPEG-4/mp4 files


  • Subject: Re: decoding AAC/MPEG-4/mp4 files
  • From: David Duncan <email@hidden>
  • Date: Wed, 14 May 2003 17:08:11 -0400

On Wednesday, May 14, 2003, at 04:27 PM, Rolf Nilsson wrote:

Hi,

This might not be the correct list to ask this question but anyway:

I'm adding support for AAC/MPEG-4/mp4 audio files using QuickTime to decode the files but still keeping my old code for AIFF and mp3 files
and need a way to distinguish between the different types.

So far I found out that iTunes creates AAC/MPEG-4/mp4files with 'M4A ' as the filtype and .m4a as filename suffix.
.mp4 also sounds as a reasonable filename suffix.

Does anyone know what more filetypes and filename suffix that could be common/expected?

Protected files from the iTunes Music Store have the extension '.m4p' (and probably the 'M4P ' file type, but i haven't gotten one of these myself to know)
--
Reality is what, when you stop believing in it, doesn't go away.
Failure is not an option. It is a privilege reserved for those who try.

David Duncan
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References: 
 >decoding AAC/MPEG-4/mp4 files (From: Rolf Nilsson <email@hidden>)

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