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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef AUDIO_MPU401_H
#define AUDIO_MPU401_H
#include "audio/mididrv.h"
////////////////////////////////////////
//
// Common MPU401 implementation methods
//
////////////////////////////////////////
class MidiChannel_MPU401 : public MidiChannel {
private:
MidiDriver *_owner;
bool _allocated;
byte _channel;
public:
MidiDriver *device();
byte getNumber() { return _channel; }
virtual void release() { _allocated = false; }
virtual void send(uint32 b);
// Regular messages
virtual void noteOff(byte note);
virtual void noteOn(byte note, byte velocity);
virtual void programChange(byte program);
virtual void pitchBend(int16 bend);
// Control Change messages
virtual void controlChange(byte control, byte value);
virtual void pitchBendFactor(byte value);
// SysEx messages
virtual void sysEx_customInstrument(uint32 type, const byte *instr);
// Only to be called by the owner
void init(MidiDriver *owner, byte channel);
bool allocate();
};
class MidiDriver_MPU401 : public MidiDriver {
private:
MidiChannel_MPU401 _midi_channels[16];
Common::TimerManager::TimerProc _timer_proc;
uint16 _channel_mask;
public:
MidiDriver_MPU401();
virtual ~MidiDriver_MPU401();
virtual void close();
virtual void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc);
virtual uint32 getBaseTempo(void) { return 10000; }
virtual uint32 property(int prop, uint32 param);
virtual MidiChannel *allocateChannel();
virtual MidiChannel *getPercussionChannel() { return &_midi_channels[9]; }
};
#endif
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