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https://github.com/libretro/scummvm.git
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89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef SOUND_MPU401_H
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#define SOUND_MPU401_H
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#include "audio/mididrv.h"
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////////////////////////////////////////
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//
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// Common MPU401 implementation methods
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//
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////////////////////////////////////////
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class MidiChannel_MPU401 : public MidiChannel {
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private:
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MidiDriver *_owner;
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bool _allocated;
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byte _channel;
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public:
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MidiDriver *device();
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byte getNumber() { return _channel; }
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virtual void release() { _allocated = false; }
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virtual void send(uint32 b);
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// Regular messages
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virtual void noteOff(byte note);
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virtual void noteOn(byte note, byte velocity);
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virtual void programChange(byte program);
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virtual void pitchBend(int16 bend);
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// Control Change messages
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virtual void controlChange(byte control, byte value);
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virtual void pitchBendFactor(byte value);
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// SysEx messages
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virtual void sysEx_customInstrument(uint32 type, const byte *instr);
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// Only to be called by the owner
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void init(MidiDriver *owner, byte channel);
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bool allocate();
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};
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class MidiDriver_MPU401 : public MidiDriver {
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private:
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MidiChannel_MPU401 _midi_channels[16];
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Common::TimerManager::TimerProc _timer_proc;
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uint16 _channel_mask;
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public:
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MidiDriver_MPU401();
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virtual ~MidiDriver_MPU401();
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virtual void close();
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virtual void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc);
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virtual uint32 getBaseTempo(void) { return 10000; }
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virtual uint32 property(int prop, uint32 param);
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virtual MidiChannel *allocateChannel();
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virtual MidiChannel *getPercussionChannel() { return &_midi_channels[9]; }
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};
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#endif
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