OSStatus MT32Synth::RestoreState(CFPropertyListRef inData) {
MusicDeviceBase::RestoreState(inData);
synth->setOutputGain(Globals()->GetParameter(kGlobalVolumeParam));
synth->setReverbOutputGain(Globals()->GetParameter(kReverbGainParam));
synth->setReverbEnabled(Globals()->GetParameter(kReverbEnabledParam) == 1.0);
sendMIDI(0xC1, Globals()->GetParameter(kInstrumentParam), 0x00, 0x00);
return noErr;
}
OSStatus MT32Synth::Initialize() {
destFormat = GetStreamFormat(kAudioUnitScope_Output, 0);
AudioStreamBasicDescription sourceDescription;
sourceDescription.mSampleRate = 32000;
sourceDescription.mBytesPerFrame = 4;
sourceDescription.mBitsPerChannel = 16;
sourceDescription.mFormatID = kAudioFormatLinearPCM;
sourceDescription.mBytesPerPacket = 4;
sourceDescription.mChannelsPerFrame = 2;
sourceDescription.mFormatFlags = kAudioFormatFlagIsSignedInteger;
sourceDescription.mFramesPerPacket = 1;
sourceDescription.mReserved = 0;
AudioConverterNew(&sourceDescription, &destFormat, &audioConverterRef);
MT32Emu::FileStream controlROMFile;
MT32Emu::FileStream pcmROMFile;
if(!controlROMFile.open("/Library/MT32/MT32_CONTROL.ROM")) {
printf("Error opening MT32_CONTROL.ROM\n");
}
if(!pcmROMFile.open("/Library/MT32/MT32_PCM.ROM")) {
printf("Error opening MT32_PCM.ROM\n");
}
romImage = MT32Emu::ROMImage::makeROMImage(&controlROMFile);
pcmRomImage = MT32Emu::ROMImage::makeROMImage(&pcmROMFile);
synth = new MT32Emu::Synth();
synth->open(*romImage, *pcmRomImage);
MT32Emu::ROMImage::freeROMImage(romImage);
MT32Emu::ROMImage::freeROMImage(pcmRomImage);
sendMIDI(0xC1, 0x00, 0x00, 0x00);
MusicDeviceBase::Initialize();
synth->setOutputGain(2.0);
return noErr;
}
OSStatus MT32Synth::SetParameter(AudioUnitParameterID inID, AudioUnitScope inScope, AudioUnitElement inElement, AudioUnitParameterValue inValue, UInt32 inBufferOffsetInFrames) {
if(inID == kGlobalVolumeParam) {
if(synth){
synth->setOutputGain(inValue);
}
} else if(inID == kInstrumentParam) {
sendMIDI(0xC1, inValue, 0x00, 0x00);
} else if(inID == kReverbEnabledParam) {
if(synth){
synth->setReverbEnabled(inValue == 1.0);
}
} else if(inID == kReverbGainParam) {
if(synth){
synth->setReverbOutputGain(inValue);
}
}
return MusicDeviceBase::SetParameter(inID, inScope, inElement, inValue, inBufferOffsetInFrames);
}
void Switch::update(){
int value = ofClamp(midiValue, getMin(), getMax());
bool send = false;
if(value < threshold){ //change from 0 to 1
if(currentArea == 1){
send = true;
}
currentArea = 0;
}
else if(value >= threshold){ //change from 1 to 0
if(currentArea == 0){
send = true;
}
currentArea = 1;
}
if(sendMIDIonUpdate){
sendMIDI();
}
}
void Pot::update(){
currentValue = ofClamp(currentValue, outputMin, outputMax);
midiValue = ofMap(currentValue, getMin(), getMax(), outputMin, outputMax);
midiValue = ofClamp(midiValue, outputMin, outputMax);
//normalValue = ofClamp(currentValue, outputMin, outputMax);
//cout << borderAreaWidth << endl;
/*
switch(mode){
case NORMAL:
midiValue = normalValue;
break;
case SWITCH_OFF_BOTTOM://under threshold, sends zero. after threshold, (outputMin, outputMax)
if(currentValue < zeroThreshold){
midiValue = 0;
}
else{
midiValue = normalValue; //or from zerothreshold??
}
break;
case MIN_MAX_AREAS: //under and over thresholds, sends min and max respectively.
if(currentValue < bottomAreaPos){
midiValue = outputMin;
}
else if(currentValue > topAreaPos){
midiValue = outputMax;
}
else{
midiValue = normalValue;
}
break;
}*/
if(sendMIDIonUpdate){
sendMIDI();
}
}
OSStatus MT32Synth::HandleNoteOff( UInt8 inChannel, UInt8 inNoteNumber, UInt8 inVelocity, UInt32 inStartFrame) {
sendMIDI(0x81, inNoteNumber, inVelocity, 0x00);
return MusicDeviceBase::HandleNoteOff(inChannel, inNoteNumber, inVelocity, inStartFrame);
}
OSStatus MT32Synth::HandlePitchWheel(UInt8 inChannel, UInt8 inPitch1, UInt8 inPitch2, UInt32 inStartFrame) {
sendMIDI(0xE1, inPitch1, inPitch2, inStartFrame);
return MusicDeviceBase::HandlePitchWheel(inChannel, inPitch1, inPitch2, inStartFrame);
}