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Torque/SDK/lib/maxsdk31/midiman.h

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+/**********************************************************************
+ *<
+	FILE: midiman.h
+
+	DESCRIPTION: A manager for MIDI
+
+	CREATED BY: Rolf Berteig
+
+	HISTORY: 6/7/97
+
+ *>	Copyright (c) 1997, All Rights Reserved.
+ **********************************************************************/
+
+#ifndef __MIDIMAN__
+#define __MIDIMAN__
+
+#include <mmsystem.h>
+#include <mmreg.h>
+
+
+// This is the same function type that is passed to the Win32 API midiInOpen()
+// except that it returns a DWORD instead of void.
+typedef DWORD(*MIDI_IN_PROC)(HMIDIIN hMidiIn,UINT wMsg, DWORD dwInstance,DWORD dwParam1, DWORD dwParam2);
+
+// Return values from MIDI_IN_PROC
+#define MIDIPROC_PROCESSED		1			// The message was processed and so no other callbacks should be called.
+#define MIDIPROC_NOTPROCESSED	0			// The message was not processed.
+
+// These can be called to open/close/start/stop the midi in device.
+// The MIDI device can be opened more than once... it will only actually
+// close when Close() is called as many times as Open().
+CoreExport MMRESULT MIDIMan_Open(MIDI_IN_PROC proc,DWORD dwInstance,int priority=0);
+CoreExport MMRESULT MIDIMan_Close(MIDI_IN_PROC proc,DWORD dwInstance);
+CoreExport MMRESULT MIDIMan_Start();
+CoreExport MMRESULT MIDIMan_Stop();
+CoreExport BOOL MIDIMan_IsOpened();
+CoreExport BOOL MIDIMan_IsStarted();
+
+// To temporary close and stop the MIDI device use these methods. These
+// will preserve the state of the Open/Close Start/Stop stack.
+CoreExport void MIDIMan_Suspend();
+CoreExport void MIDIMan_Resume();
+
+// Macros to pull out peices of param1
+#define MIDI_CHANNEL(a)				((a)&0x0f)
+#define MIDI_EVENT(a)				((a)&0xf0)
+#define MIDI_NOTENUMBER(a)			(((a)&0xff00)>>8)
+#define MIDI_VELOCITY(a)			(((a)&0xff0000)>>16)
+#define MIDI_PITCHBEND(a)			(((a)&0xff0000)>>16)
+#define MIDI_NOTEFLOAT(a,low,high)	(float((a)-(low))/float((high)-(low)))
+#define MIDI_VELFLOAT(a)            (float(a)/127.0f)
+#define MIDI_BENDFLOAT(a)			(float(a)/127.0f)
+
+// MIDI events
+#define MIDI_NOTE_ON		0x90
+#define MIDI_NOTE_OFF		0x80
+#define MIDI_PITCH_BEND		0xe0
+#define MIDI_CONTROLCHANGE	0xb0
+
+
+#endif // __MIDIMAN__
+