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Re: AudioStreamBasicDescription ?
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Re: AudioStreamBasicDescription ?


  • Subject: Re: AudioStreamBasicDescription ?
  • From: Jeff Moore <email@hidden>
  • Date: Mon, 8 Mar 2004 17:20:43 -0800

The usual guidelines for four char codes applies. Apple reserves all 4CCs that are made up of lowercase characters. The rest are up for grabs. DTS used to keep track of who registered which 4CCs for something, but I don't know if they still do that.

On Mar 8, 2004, at 5:05 PM, Ken Hawkins wrote:

i see in making use of an AudioStreamBasicDescription that there is a FormatID that i need to pass in. we are developing a new type for an Audio Codec. what are the guidelines for defining a format ID to use here? are there any?
i am really hesitant to just arbitrarily define a UInt32 for this.

--

Jeff Moore
Core Audio
Apple
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