void IPlugInstrument::ProcessMidiMsg(IMidiMsg* pMsg)
{
// List all MIDI messages this plugin will handle.
switch (pMsg->StatusMsg())
{
case IMidiMsg::kNoteOn:
case IMidiMsg::kNoteOff:
break;
case IMidiMsg::kControlChange:
switch (pMsg->ControlChangeIdx())
{
case IMidiMsg::kChannelVolume:
{
// Update the volume parameter in the UI only.
double volume = pMsg->ControlChange(IMidiMsg::kChannelVolume);
if (GetGUI())
GetGUI()->SetParameterFromPlug(kVolume, volume, false);
else
GetParam(kVolume)->Set(volume);
InformHostOfParamChange(kVolume, volume);
}
break;
case IMidiMsg::kAllNotesOff:
break;
// Discard all other Control Change messages.
default:
SendMidiMsg(pMsg);
return;
}
break;
// Discard all other MIDI messages.
default:
SendMidiMsg(pMsg);
return;
}
// Don't handle the MIDI message just yet (we'll do that in
// ProcessDoubleReplacing), but instead add it to the queue.
mMidiQueue.Add(pMsg);
}
void IPlugAAX::SetParameterFromGUI(int idx, double normalizedValue)
{
Trace(TRACELOC, "%d:%f", idx, normalizedValue);
InformHostOfParamChange(idx, normalizedValue);
}
