/* 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 3 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, see <http://www.gnu.org/licenses/>. * */ #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