Re: KAudioDevicePropertyChannelNominalLineLevel
Re: KAudioDevicePropertyChannelNominalLineLevel
- Subject: Re: KAudioDevicePropertyChannelNominalLineLevel
- From: Jeff Moore <email@hidden>
- Date: Wed, 24 Mar 2004 11:54:34 -0800
These properties are implemented by IOAudioSelectorControl objects in
the driver and function just like other properties that are based on
that class such as the data source and clock source controls. The item
ID is just an integer. It can be chosen from the available item IDs and
translated into a human readable string. Basically everything you need
to populate a pop-up menu with.
On Mar 24, 2004, at 1:35 AM, Pete Gontier wrote:
I have a feeling the following properties would be useful for my
current
project, but the documentation on them is sparse.
kAudioDevicePropertyChannelNominalLineLevel
kAudioDevicePropertyChannelNominalLineLevels
kAudioDevicePropertyChannelNominalLineLevelNameForID
The comments refer to something called a "nominal line level item ID",
but I
can't see how to make use of such an ID.
--
Pete Gontier
http://www.m-audio.com/
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--
Jeff Moore
Core Audio
Apple
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