OSStatus AUInstrumentBase::HandleControlChange( UInt8 inChannel,
UInt8 inController,
UInt8 inValue,
UInt32 inStartFrame)
{
#if DEBUG_PRINT
printf("AUInstrumentBase::HandleControlChange ch %u ctlr: %u val: %u frm: %u\n", inChannel, inController, inValue, inStartFrame);
#endif
SynthGroupElement *gp = GetElForGroupID(inChannel);
if (gp)
{
gp->ChannelMessage(inController, inValue);
}
else
return kAudioUnitErr_InvalidElement;
switch (inController)
{
case kMidiController_Sustain :
if (inValue >= 64)
SendPedalEvent(inChannel, SynthEvent::kEventType_SustainOn, inStartFrame);
else
SendPedalEvent(inChannel, SynthEvent::kEventType_SustainOff, inStartFrame);
break;
case kMidiController_Sostenuto :
if (inValue >= 64)
SendPedalEvent(inChannel, SynthEvent::kEventType_SostenutoOn, inStartFrame);
else
SendPedalEvent(inChannel, SynthEvent::kEventType_SostenutoOff, inStartFrame);
break;
}
return noErr;
}
OSStatus AUInstrumentBase::HandleChannelPressure(UInt8 inChannel,
UInt8 inValue,
UInt32 inStartFrame)
{
SynthGroupElement *gp = GetElForGroupID(inChannel);
if (gp)
{
gp->ChannelMessage(kMidiMessage_ChannelPressure, inValue);
return noErr;
}
else
return kAudioUnitErr_InvalidElement;
}
OSStatus AUInstrumentBase::HandlePitchWheel( UInt8 inChannel,
UInt8 inPitch1, // LSB
UInt8 inPitch2, // MSB
UInt32 inStartFrame)
{
SynthGroupElement *gp = GetElForGroupID(inChannel);
if (gp)
{
gp->ChannelMessage(kMidiMessage_PitchWheel, (inPitch2 << 7) | inPitch1);
return noErr;
}
else
return kAudioUnitErr_InvalidElement;
}
OSStatus AUInstrumentBase::HandlePolyPressure( UInt8 inChannel,
UInt8 inKey,
UInt8 inValue,
UInt32 inStartFrame)
{
SynthGroupElement *gp = GetElForGroupID(inChannel);
if (gp)
{
// Combine key and value into single argument. UGLY!
gp->ChannelMessage(kMidiMessage_PolyPressure, (inKey << 7) | inValue);
return noErr;
}
else
return kAudioUnitErr_InvalidElement;
}
OSStatus AUInstrumentBase::HandleProgramChange( UInt8 inChannel,
UInt8 inValue)
{
#if DEBUG_PRINT
printf("AUInstrumentBase::HandleProgramChange %u %u\n", inChannel, inValue);
#endif
SynthGroupElement *gp = GetElForGroupID(inChannel);
if (gp)
{
gp->ChannelMessage(kMidiMessage_ProgramChange, inValue);
return noErr;
}
else
return kAudioUnitErr_InvalidElement;
}