Re: Creating Aggregate Devices programmatically
Re: Creating Aggregate Devices programmatically
- Subject: Re: Creating Aggregate Devices programmatically
- From: Dave Addey <email@hidden>
- Date: Tue, 26 Jul 2005 23:27:37 +0100
Hi Jeff,
Thanks :-) I'll give it a try!
Dave.
> From: Jeff Moore <email@hidden>
> Date: Mon, 25 Jul 2005 12:55:13 -0700
> To: CoreAudio API <email@hidden>
> Subject: Re: Creating Aggregate Devices programmatically
>
> Creating a new aggregate device requires using the new AudioObject
> APIs in Tiger and goes something like this:
>
> 1) Locate the base plug-in using
> kAudioHardwarePropertyPlugInForBundleID. It has a bundle ID of
> "com.apple.audio.CoreAudio".
> 2) Create a CFDictionary that describes the aggregate device you want
> to create. The keys for the dictionary are in the Aggregate Device
> section of <CoreAudio/AudioHardware.h>. Be sure to create a unique UID.
> 3) Tell the base plug-in to create the aggregate device using
> kAudioPlugInCreateAggregateDevice.
> 4) Presuming success, use kAudioHardwarePropertyDeviceForUID to get
> the AudioDeviceID of the newly created aggregate device.
>
> That's pretty much it. Let me know if you have any specific questions
> about the process.
>
> On Jul 23, 2005, at 4:54 PM, Dave Addey wrote:
>
>> Hi all,
>>
>> Does anyone have any sample code showing how to create an aggregate
>> device entirely programmatically? Or is there some particular
>> documentation I should be looking at? Any ideas much appreciated :-)
>>
>> Dave.
>
> --
>
> Jeff Moore
> Core Audio
> Apple
>
>
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