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Re: Addressing individual outputs of output device

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Re: Addressing individual outputs of output device

Subject: Re: Addressing individual outputs of output device
From: William Stewart <email@hidden>
Date: Thu, 6 Mar 2008 12:00:58 -0800

CAPlayThrough - the ComplexPlayThrough code had a number of problems that have been fixed with this revision

On Mar 6, 2008, at 4:13 AM, Todd Blanchard wrote:

I'm still missing something here. Still trying to address individual inputs and outputs on a motu ultralight. Only the default stereo output pair seems to be addressable. I add the device to an AUGraph using halOutput node, enable IO for both input and output, create a matrix mixer in the graph, ask the device for the number of outputs it has, create that number of outputs on the matrix mixer, then try to connect each mixer output to the input of each device output.

Only connecting channel zero succeeds (and virtual instruments play fine on the Main 1,2 output pair). Similar attempts to set up inputs also all fail and I cannot receive audio on the mixer inputs.
I get
Device Has: 14 outs 8 ins Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10865 AUGraphConnectNodeInput(graph, AUMatrixMixer, 1, AudioDeviceOutput (MOTU UltraLite), 1) failed with: -10865 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 2, AudioDeviceOutput (MOTU UltraLite), 2) failed with: -10877 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 3, AudioDeviceOutput (MOTU UltraLite), 3) failed with: -10877 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 4, AudioDeviceOutput (MOTU UltraLite), 4) failed with: -10877 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 5, AudioDeviceOutput (MOTU UltraLite), 5) failed with: -10877 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 6, AudioDeviceOutput (MOTU UltraLite), 6) failed with: -10877 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 7, AudioDeviceOutput (MOTU UltraLite), 7) failed with: -10877 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 8, AudioDeviceOutput (MOTU UltraLite), 8) failed with: -10877 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 9, AudioDeviceOutput (MOTU UltraLite), 9) failed with: -10877 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 10, AudioDeviceOutput (MOTU UltraLite), 10) failed with: -10877 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 11, AudioDeviceOutput (MOTU UltraLite), 11) failed with: -10877 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 12, AudioDeviceOutput (MOTU UltraLite), 12) failed with: -10877 Failed to set input property: 8 on: AudioDeviceOutput (MOTU UltraLite) error: -10877 AUGraphConnectNodeInput(graph, AUMatrixMixer, 13, AudioDeviceOutput (MOTU UltraLite), 13) failed with: -10877
I've got over 40 hours in trying to crack this nut.
Also, WTF happend to the ComplexPayThru example mentioned in all the docs? It is 404.
-Todd Blanchard
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  >Addressing individual outputs of output device (From: Todd Blanchard <email@hidden>)




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