Re: aggregate device
Re: aggregate device
- Subject: Re: aggregate device
- From: "Christoph Teschner" <email@hidden>
- Date: Thu, 04 May 2006 02:06:53 +0200
But when you create an aggregate device in AMS it also has 0 in and outputs
and isn't usable either. you also have to set the check box after having
created the aggregate in order to use it. so my process of creating te aggr.
device seems to be identical to AMS. it's really that final step that can be
done manually in AMS that I need to figure out how to do. what's actually
done when you set that check box in AMS ? do you set a certain property ?
thanks again,
Christoph
From: Jeff Moore <email@hidden>
To: CoreAudio API <email@hidden>
Subject: Re: aggregate device
Date: Wed, 3 May 2006 16:35:47 -0700
You are using the same API calls that AMS uses, so my guess is that you
still have some issues with your code for creating the aggregate in the
first place. Not that it's your fault, mind you. This process isn't the
best documented thing in the universe.
On May 3, 2006, at 4:23 PM, Christoph Teschner wrote:
Hi Jeff,
by activate I mean setting the aggregate's sub devices to an active
state. when I create an aggregate device it always has 0 input an 0
outputs and I can neither use it in my app nor in AULab. the aggregate
device editor in AMS has this check box "use" for each of the subdevices.
only after I have manually set this check box in AMS, I can play sound
through my aggregate device in other applications. now the question is,
how can I programatically do what AMS does when I click that "use" check
box for a subdevice.
thanks,
christoph
From: Jeff Moore <email@hidden>
To: CoreAudio API <email@hidden>
Subject: Re: aggregate device
Date: Tue, 2 May 2006 17:56:40 -0700
What do you mean by "activate"?
On May 2, 2006, at 4:50 PM, Christoph Teschner wrote:
the last thing I am trying to figure out is how can I actually
activate an aggregate device. everything's fine with its creation and
it shows up in AMS. however, I can't use it in my app unless I
manually activate it in AMS. I'd like to do that programatically. so
what's actually done when you click that check box in AMS for a device
in the aggregate's sub device list. do I have to set a certain
property on the sub device?
--
Jeff Moore
Core Audio
Apple
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