83 lines
2.1 KiB
C++
83 lines
2.1 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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*
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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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*
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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 TOWNS_MIDI_H
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#define TOWNS_MIDI_H
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#include "audio/softsynth/fmtowns_pc98/towns_audio.h"
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#include "audio/mididrv.h"
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class TownsMidiOutputChannel;
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class TownsMidiInputChannel;
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class TownsMidiChanState;
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class MidiDriver_TOWNS : public MidiDriver, public TownsAudioInterfacePluginDriver {
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friend class TownsMidiInputChannel;
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friend class TownsMidiOutputChannel;
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public:
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MidiDriver_TOWNS(Audio::Mixer *mixer);
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~MidiDriver_TOWNS();
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int open();
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bool isOpen() const { return _isOpen; }
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void close();
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void send(uint32 b);
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void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc);
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uint32 getBaseTempo();
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MidiChannel *allocateChannel();
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MidiChannel *getPercussionChannel();
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void timerCallback(int timerId);
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private:
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void updateParser();
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void updateOutputChannels();
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TownsMidiOutputChannel *allocateOutputChannel(uint8 pri);
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int randomValue(int para);
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TownsMidiInputChannel **_channels;
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TownsMidiOutputChannel **_out;
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TownsMidiChanState *_chanState;
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Common::TimerManager::TimerProc _timerProc;
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void *_timerProcPara;
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TownsAudioInterface *_intf;
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uint32 _tickCounter;
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uint8 _allocCurPos;
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uint8 _rand;
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bool _isOpen;
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uint8 *_operatorLevelTable;
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const uint16 _baseTempo;
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};
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#endif
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