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Re: Structure of Data inside an AudioBuffer
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Re: Structure of Data inside an AudioBuffer


  • Subject: Re: Structure of Data inside an AudioBuffer
  • From: Bill Stewart <email@hidden>
  • Date: Mon, 24 Jun 2002 23:18:24 -0700

The stream format of a device will descirbe to you the format of the device.

If a stream of a device (one of the AUBuffers in the AUBufferList) has more
than one channel, then the channels are interleaved in that AUBuffer.

A device presents mono channels as separate AudioBuffers in the
AudioBufferList that the device hands to you. So, in the case of a
multi-channel device of n mono channels, there will be n AudioBuffers in the
AudioBufferList

Some devices may potentially present some mono and some n channel buffers).
So, you should get the array of stream descriptions from the device that
will tell you the format of each of the streams that the device presents.

Bill

on 24/6/02 11:01 PM, Daniel Staudigel wrote:

> What is the structure of data in an AudioBuffer? Is it sort of a:
>
> <L channel><R channel> etc...
>
> or sort of a :
>
> <L channel for full duration><R channel for full duration>
>
> The docs hint towards the former, but experience seems to tend towards
> the latter.
>
> Erik
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References: 
 >Structure of Data inside an AudioBuffer (From: Daniel Staudigel <email@hidden>)

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