Re: What Are AudioUnits?
Re: What Are AudioUnits?
- Subject: Re: What Are AudioUnits?
- From: Daniel Todd Currie <email@hidden>
- Date: Thu, 7 Oct 2004 14:40:35 +0900
tech note 2091 says to do this:
Component comp;
ComponentDescription desc;
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = kAudioUnitSubType_HALOutput;
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
comp = FindNextComponent(NULL, &desc);
if (comp == NULL) exit (-1);
OpenAComponent(comp, &InputUnit);
This grabs the Apple: AudioDeviceOutput component, but if I am trying
to list my own AU in the AUValidation, I assume I need to make my own
component? I don't see anything anywhere about making new components.
For that matter, an Xcode search of all frameworks for the
"FindNextComponent" or "OpenAComponent" functions returns nothing.
I think if I can figure out how to test my AU in the AUValidator, I
will be better able to resolve some of these questions about how AUs
work.
I've poked around in some of the AU examples in "/Developer/Examples",
but sweet christ some of those projects are over 10,000 lines of code,
surely there must be some less complex examples?
-- DTC
On 2004 Oct 07, at 14:11, Philippe Wicker wrote:
Someone mentioned AUValidation to me, so I grabbed the validator and
played around with it. Running "auval -a" gives me a list of ~20
AUs; should my application/AU be listed among these?
Your AU should be listed, not your app.
My app is running on the "auou ahal appl - Apple:
AudioDeviceOutput" component, so should I be validating that
component while my app is running?
No. Hopefully the Apple AUs (should) have passed the auval test :))
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