Re: Quick question on configuring an AU for a certain channel config
Re: Quick question on configuring an AU for a certain channel config
- Subject: Re: Quick question on configuring an AU for a certain channel config
- From: "tahome izwah" <email@hidden>
- Date: Thu, 20 Dec 2007 22:54:34 +0100
Quick followup question:
Is there any way I can get MIDI note information through the
AudioUnits API, or do I have to add my own MIDI code using CoreMIDI?
Any problems or pitfalls I should be aware of?
Thanks again!
--th
2007/12/20, Bernd Burhoff <email@hidden>:
> Hi tahome,
>
> the pointer thing is something that I found out while testing around the
> same problem with HasInput() (that it always returned TRUE).
> It still looks strange to me, but in my case it worked, so I used it. Just a
> workaround.
>
> This way did not work with AudioBufferLists in my AU.
>
> I use GetChannelData() instead of the GetBufferList().
>
> Bernd
>
>
> Am 20.12.2007 um 14:07 schrieb tahome izwah:
>
> Bill and Bernd, thank you! It looks indeed like a bug in Logic 8 to me.
>
> Bernd, I tried something similar to what you are suggesting, like
> comparing the pointer to the audio data in the ABLs that I get from
> the side chain and the main input (ie sideChainAbl->mBuffer[0].mData
> != inputAbl->mBuffer[0].mData). They appear to be different so there's
> no telling if the sidechain is connected or not. I did not use
> GetChannelData(), however, I might give this a try, even though I'm
> not sure what difference it would make (it should point to the same
> data, right?).
>
> I am curious - how do you know the two pointers have to be the same in
> Logic if the sidechain is not connected? Ie. what is the logic behind
> this - is this just something you discovered empirically or is this
> documented somewhere? Is it guaranteed to work? I mean, Logic could as
> well use some pre-set buffer containing silence for an unconnected
> sidechain, couldn't it?
>
> Thanks again,
> --th
>
>
>
>
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