// ----------------------------------------------------------
bool ofxAudioUnitInput::configureInputDevice()
// ----------------------------------------------------------
{
UInt32 on = 1;
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioOutputUnitProperty_EnableIO,
kAudioUnitScope_Input,
1,
&on,
sizeof(on)),
"enabling input on HAL unit");
UInt32 off = 0;
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioOutputUnitProperty_EnableIO,
kAudioUnitScope_Output,
0,
&off,
sizeof(off)),
"disabling output on HAL unit");
UInt32 deviceIDSize = sizeof(AudioDeviceID);
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioOutputUnitProperty_CurrentDevice,
kAudioUnitScope_Global,
0,
&_impl->inputDeviceID,
deviceIDSize),
"setting HAL unit's device ID");
AudioStreamBasicDescription deviceASBD = {0};
UInt32 ASBDSize = sizeof(deviceASBD);
OFXAU_RET_FALSE(AudioUnitGetProperty(*_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Output,
1,
&deviceASBD,
&ASBDSize),
"getting hardware stream format");
deviceASBD.mSampleRate = 44100;
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Output,
1,
&deviceASBD,
sizeof(deviceASBD)),
"setting input sample rate to 44100");
AURenderCallbackStruct inputCallback = {RenderCallback, &_impl->ctx};
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioOutputUnitProperty_SetInputCallback,
kAudioUnitScope_Global,
0,
&inputCallback,
sizeof(inputCallback)),
"setting hardware input callback");
OFXAU_RET_BOOL(AudioUnitInitialize(*_unit),
"initializing hardware input unit after setting it to input mode");
}
// ----------------------------------------------------------
bool ofxAudioUnitOutput::configureOutputDevice(int deviceID)
// ----------------------------------------------------------
{
OSStatus err = noErr;
UInt32 outSize;
Boolean outWritable;
err = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices, &outSize, &outWritable);
if ( err != noErr ) cout<<"err 1"<<endl;
UInt16 devicesAvailable = outSize / sizeof(AudioDeviceID);
if ( devicesAvailable < 1 )
{
fprintf(stderr, "No devices\n" );
//return err;
}else{
cout<<"*devicesAvailable "<<devicesAvailable<<endl;
}
UInt32 on = 1;
UInt32 off = 0;
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioOutputUnitProperty_EnableIO,
kAudioUnitScope_Input,
1,
&off,
sizeof(off)),
"disabling input on HAL unit");
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioOutputUnitProperty_EnableIO,
kAudioUnitScope_Output,
0,
&on,
sizeof(on)),
"enabling output on HAL unit");
AudioDeviceID outputDeviceID = kAudioObjectUnknown;
UInt32 deviceIDSize = sizeof( AudioDeviceID );
AudioObjectPropertyAddress prop_addr = {
kAudioHardwarePropertyDefaultOutputDevice,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
OFXAU_RET_FALSE(AudioObjectGetPropertyData(kAudioObjectSystemObject,
&prop_addr,
0,
NULL,
&deviceIDSize,
&outputDeviceID),
"getting device ID for default input");
if(deviceID != -1) outputDeviceID = deviceID;
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioOutputUnitProperty_CurrentDevice,
kAudioUnitScope_Global,
0,
&outputDeviceID,
deviceIDSize),
"setting HAL unit's device ID");
cout<<"outputDeviceID "<<outputDeviceID<<endl;
OFXAU_RET_BOOL(AudioUnitInitialize(*_unit),
"initializing hardware input unit after setting it to input mode");
}
// ----------------------------------------------------------
bool ofxAudioUnitInput::configureInputDevice()
// ----------------------------------------------------------
{
UInt32 on = 1;
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioOutputUnitProperty_EnableIO,
kAudioUnitScope_Input,
1,
&on,
sizeof(on)),
"enabling input on HAL unit");
UInt32 off = 0;
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioOutputUnitProperty_EnableIO,
kAudioUnitScope_Output,
0,
&off,
sizeof(off)),
"disabling output on HAL unit");
AudioDeviceID inputDeviceID = kAudioObjectUnknown;
UInt32 deviceIDSize = sizeof( AudioDeviceID );
AudioObjectPropertyAddress prop_addr = {
kAudioHardwarePropertyDefaultInputDevice,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
OFXAU_RET_FALSE(AudioObjectGetPropertyData(kAudioObjectSystemObject,
&prop_addr,
0,
NULL,
&deviceIDSize,
&inputDeviceID),
"getting device ID for default input");
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioOutputUnitProperty_CurrentDevice,
kAudioUnitScope_Global,
0,
&inputDeviceID,
deviceIDSize),
"setting HAL unit's device ID");
AudioStreamBasicDescription deviceASBD = {0};
UInt32 ASBDSize = sizeof(deviceASBD);
OFXAU_RET_FALSE(AudioUnitGetProperty(*_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Output,
1,
&deviceASBD,
&ASBDSize),
"getting hardware stream format");
deviceASBD.mSampleRate = 44100;
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Output,
1,
&deviceASBD,
sizeof(deviceASBD)),
"setting input sample rate to 44100");
AURenderCallbackStruct inputCallback;
inputCallback.inputProc = ofxAudioUnitInput::renderCallback;
inputCallback.inputProcRefCon = &_renderContext;
OFXAU_RET_FALSE(AudioUnitSetProperty(*_unit,
kAudioOutputUnitProperty_SetInputCallback,
kAudioUnitScope_Global,
0,
&inputCallback,
sizeof(inputCallback)),
"setting hardware input callback");
OFXAU_RET_BOOL(AudioUnitInitialize(*_unit),
"initializing hardware input unit after setting it to input mode");
}
