Re: More on: Error in AudioUnitRender()
Re: More on: Error in AudioUnitRender()
- Subject: Re: More on: Error in AudioUnitRender()
- From: William Stewart <email@hidden>
- Date: Mon, 12 Dec 2005 11:00:26 -0800
On 10/12/2005, at 2:31 PM, john wrote:
HI Philippe,
Yes, after much trial and error and figured this out later last
night. Though it doesn't make much sense to me that you can specify
the input format but not the output (is there some technical/
practical limitation?).
Its the same rules for input as well. Some of Apple's AUs (the Output
units and AUConverter) will take (or output) interleaved data - as
described previously some devices have interleaved formats, so AUHAL
has to be able to "output" interleaved as that is what the device
wants. In general however, the formats used by AUs (whether input or
output) are all non-interleaved.
Bill
In the normal CoreAudio tradition of mine, just when I think I'm
done I now have some unexplainable problem even though my code is
exactly the same as the sample code :) I won't bother the list
though ... hopefully it'll just fix itself.
-- John
The native audio format for current (V2) Audio Unit (V1 is
deprecated) is NON interleaved float 32. Interleaved channels are
used when dealing with audio devices, or when reading/writing a
file to a disk, ....
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