Fwd: How to use ChannelNames, CategoryNames, NumberNames?
Fwd: How to use ChannelNames, CategoryNames, NumberNames?
- Subject: Fwd: How to use ChannelNames, CategoryNames, NumberNames?
- From: Jeremy Sagan <email@hidden>
- Date: Wed, 5 Jan 2005 17:11:42 -0500
Sorry I should have also mentioned that MyAudioDeviceGetProperty is just a call to AudioDeviceGetProperty.
Begin forwarded message:
From: Jeremy Sagan <email@hidden>
Date: January 5, 2005 5:05:23 PM EST
To: CoreAudio API <email@hidden>
Cc: Subject: Re: How to use ChannelNames, CategoryNames, NumberNames?
On Jan 5, 2005, at 3:28 PM, Jeff Moore wrote:
The channel name is the full name for the channel, i.e. "Analog Input 3".
This and/or kAudioDevicePropertyChannelNameCFString should be a required field! It does not seem like very many (any) audio devices support this. In ASIO it was built in and very nice. Do audio device driver authors support this? All of the audio hardware I have lying around reports 'unknown property error' when trying to determine the channel name.
Is this the correct way to call for this?
char cstring[256];
UInt32 outputSize = sizeof(cstring);
audioErr = MyAudioDeviceGetProperty(theID, stream,
isInput, kAudioDevicePropertyChannelName, &outputSize, cstring);
where theID is the ID of the device, stream is the channel number and isInput is self-evident?
Jeremy
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