Re: De-interleave AudioUnit
Re: De-interleave AudioUnit
- Subject: Re: De-interleave AudioUnit
- From: William Stewart <email@hidden>
- Date: Thu, 30 Sep 2004 20:45:29 -0700
No - all of the AU's now expect deinterleaved samples as their format - this
was the essential change and difference between the original AU spec (what
we call V1) and the current/ongoing AU V2. (Both V1 and V2 units expect
float32 as the basic sample format)
The AUConverter unit (which also forms a basis for all of the output units
that we ship), is more flexible about formats - it will take mismatches
between sample rates, bit depth (i.e. Int/floats), number of channels,
interleaved/de-interleaved.
Bill
On 30/9/04 2:56 PM, "Ethan Funk" <email@hidden> wrote:
> Does the VarRate AudioUnit support deinterleaving as well by any
> chance? I need a VarRate filter in the chain any way. If I could get
> it to deinterleave too I would be a very happy programmer.
>
> Ethan...
>
> On Sep 30, 2004, at 9:48, David Duncan wrote:
>
>> On Sep 30, 2004, at 12:35 PM, Ethan Funk wrote:
>>
>>> I'm trying to find information on Apples De-interleve AudioUnit. Can
>>> any one point me to some documentation? All I want to do is
>>> deinterleave a stereo stream so I can pass it along to a matrix
>>> mixer. I am currently having my renderCallback do this, but it would
>>> be nice to make it generic.
>>
>> Instantiate an AUConverter audio unit. By setting the input format to
>> be interleaved and the output format to be de-interleaved you will get
>> the de-interleaving that you are looking for.
>> --
>> 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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