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Re: HAL Devices and Streams (with QuickTime)
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Re: HAL Devices and Streams (with QuickTime)


  • Subject: Re: HAL Devices and Streams (with QuickTime)
  • From: Lubor Prikryl <email@hidden>
  • Date: Fri, 18 Jan 2002 22:59:56 +0100

Hi,
I develop a midi controlled VST audioprocessor, still having two problems with OS X:

1} Starting up the app, I try to create midi client. Looking at TOP in terminal, it starts midiServer immediately, which runs at 0% of CPU load. Then the system passes a timeout blocking my application, with result Cannot create MIDI client, the debugger assertion reads CoreMIDI: timeout waiting for MIDIServer to start.
When I try to create client again, the error appears again at once - without timeout. If i quit and run application again, the midi server is still running since previous session, and the midiClient is created correctly.

2}Using MAudio Audiophile 2496 cards, I had set buffer size to some value, let's say 128. My application asks via AudioDeviceGetProperty(device, 0, true, kAudioDevicePropertyBufferSize, &count, &bufferSize); which reports 4096. Changing the value in control panel of Audiophile has no influence for the value. I also tried to debug Daisy example, it reports the 4096 just as my application and the value cannot be changed.
Any idea?


Best regards

Lubor,
DSound1.com


  • Follow-Ups:
    • Re: AudioDevice Buffer size (was: HAL Devices and Streams...)
      • From: Lieven Dekeyser <email@hidden>
    • Sorry for wrong subject - question again
      • From: Lubor Prikryl <email@hidden>
References: 
 >Re: HAL Devices and Streams (with QuickTime) (From: Lieven Dekeyser <email@hidden>)

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