RE: automating device aggregation
RE: automating device aggregation
- Subject: RE: automating device aggregation
- From: "Kevin Vanwulpen" <email@hidden>
- Date: Wed, 1 Jun 2005 17:23:35 -0700
- Importance: Normal
Thanks Jeff, that clarifies a lot. I will tinker around a bit and hopefully
will either have no further questions or some more intelligent ones, but
this does clarify a lot.
Kevin
> -----Original Message-----
> From: coreaudio-api-bounces+kevin=email@hidden
> [mailto:coreaudio-api-bounces+kevin=email@hidden] On
> Behalf Of Jeff Moore
> Sent: Wednesday, June 01, 2005 5:19 PM
> To: CoreAudio API
> Subject: Re: automating device aggregation
>
> Creating a new aggregate device requires using the new AudioObject
> APIs 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 too 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 Jun 1, 2005, at 4:31 PM, Kevin Vanwulpen wrote:
>
> > Hi,
> >
> >
> > I would like to aggregate 2 devices which use a different driver
> > and do that for the end-user automatically.
> >
> > In other words I want to avoid the most basic end user having to go
> > into the Audio Device Aggregator (even tough it's very easy to use).
> >
> > I did find some constants and enums related to this in
> > AudioHardware.h but am now wondering what my application should do
> > or can only a HAL plugin create a new AudioAggregateDevice?
> >
> >
> > Kevin
> >
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>
> --
>
> Jeff Moore
> Core Audio
> Apple
>
>
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