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https://github.com/libretro/scummvm.git
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100 lines
2.5 KiB
C++
100 lines
2.5 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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* $URL$
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* $Id$
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*
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*/
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// Music class
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#ifndef M4_MIDI_H
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#define M4_MIDI_H
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#include "sound/mididrv.h"
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#include "sound/midiparser.h"
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#include "common/mutex.h"
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namespace M4 {
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class MidiPlayer : public MidiDriver {
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public:
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MidiPlayer(M4Engine *vm, MidiDriver *driver);
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~MidiPlayer();
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bool isPlaying() { return _isPlaying; }
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void setVolume(int volume);
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int getVolume() { return _masterVolume; }
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void setNativeMT32(bool b) { _nativeMT32 = b; }
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bool hasNativeMT32() { return _nativeMT32; }
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void playMusic(const char *name, int32 vol, bool loop, int32 trigger, int32 scene);
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void stopMusic();
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void setPassThrough(bool b) { _passThrough = b; }
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void setGM(bool isGM) { _isGM = isGM; }
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//MidiDriver interface implementation
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int open();
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void close();
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void send(uint32 b);
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void metaEvent(byte type, byte *data, uint16 length);
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void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
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uint32 getBaseTempo() { return _driver ? _driver->getBaseTempo() : 0; }
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//Channel allocation functions
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MidiChannel *allocateChannel() { return 0; }
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MidiChannel *getPercussionChannel() { return 0; }
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protected:
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static void onTimer(void *data);
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M4Engine *_vm;
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byte *_midiData;
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MidiChannel *_channel[16];
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MidiDriver *_driver;
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MidiParser *_parser;
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byte _channelVolume[16];
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bool _nativeMT32;
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bool _isGM;
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bool _passThrough;
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bool _isPlaying;
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bool _randomLoop;
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byte _masterVolume;
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byte *_musicData;
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uint16 *_buf;
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size_t _musicDataSize;
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Common::Mutex _mutex;
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byte *convertHMPtoSMF(byte *data, uint32 inSize, uint32 &outSize);
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};
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} // End of namespace M4
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#endif
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