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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001-2003 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#ifndef SOUND_MPU401_H
#define SOUND_MPU401_H
#include "common/system.h"
#include "mididrv.h"
////////////////////////////////////////
//
// Common MPU401 implementation methods
//
////////////////////////////////////////
class MidiDriver_MPU401;
class MidiChannel_MPU401 : public MidiChannel {
friend class MidiDriver_MPU401;
private:
MidiDriver_MPU401 *_owner;
bool _allocated;
byte _channel;
void init (MidiDriver_MPU401 *owner, byte channel);
void allocate() { _allocated = true; }
public:
MidiDriver *device();
byte getNumber() { return _channel; }
void release() { _allocated = false; }
// Regular messages
void noteOff (byte note);
void noteOn (byte note, byte velocity);
void programChange (byte program);
void pitchBend (int16 bend);
// Control Change messages
void controlChange (byte control, byte value);
void modulationWheel (byte value) { controlChange (1, value); }
void volume (byte value) { controlChange (7, value); }
void panPosition (byte value) { controlChange (10, value); }
void pitchBendFactor (byte value);
void detune (byte value) { controlChange (17, value); }
void priority (byte value) { controlChange (18, value); }
void sustain (bool value) { controlChange (64, value ? 1 : 0); }
void effectLevel (byte value) { controlChange (91, value); }
void chorusLevel (byte value) { controlChange (93, value); }
void allNotesOff() { controlChange (123, 0); }
// SysEx messages
void sysEx_customInstrument (uint32 type, byte *instr);
};
class MidiDriver_MPU401 : public MidiDriver {
private:
typedef void (*TimerCallback) (void*);
MidiChannel_MPU401 _midi_channels [16];
volatile bool _started_thread;
OSystem::MutexRef _mutex; // Concurrent shutdown barrier
volatile TimerCallback _timer_proc;
void *_timer_param;
static int midi_driver_thread (void *param);
public:
MidiDriver_MPU401();
virtual void close();
void setTimerCallback(void *timer_param, TimerCallback timer_proc);
uint32 getBaseTempo(void) { return 10000; }
MidiChannel *allocateChannel();
MidiChannel *getPercussionChannel() { return &_midi_channels [9]; }
};
#endif
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