Re: HAL user-land audio driver
Re: HAL user-land audio driver
- Subject: Re: HAL user-land audio driver
- From: Brian Willoughby <email@hidden>
- Date: Fri, 28 Mar 2008 14:02:38 -0700
On Mar 28, 2008, at 13:45, Jeff Moore wrote:
On Mar 28, 2008, at 5:59 AM, Mikael Hakman wrote:
My next question is as follows. Is there any way to add to, or
extend AMS panel with an additional user interface elements? I
have one custom property on device, global scope, master element
that I would like to display to the user as a dropdown select list.
No. AMS is not expandable. The general way we recommend handling
your situation is for you to provide your own application that can
configure your device and/or manipulate your custom properties.
Once you have that done, you can then return the bundle ID of that
application as the value of
kAudioDevicePropertyConfigurationApplication in your AudioDevice.
Then applications that want to have the user change settings can
launch your application easily.
I'm pretty sure AMS has support for
kAudioDevicePropertyConfigurationApplication too. I believe it
comes in the form of a button that will launch the application.
HALLab definitely has support for such a button in the device info
window.
I can confirm that AMS has support for this. WIth the M-Audio
FireWire Audiophile multichannel interface, an extra button titled
"Configure Device" automatically appears next to the more generic
"Configure Speakers." I use this all the time on my Quad G5.
Obviously, it does require that M-Audio provide drivers for the user
to install.
Brian Willoughby
Sound Consulting
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