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https://github.com/libretro/scummvm.git
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153 lines
3.6 KiB
C++
153 lines
3.6 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 SAGA_MUSIC_H
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#define SAGA_MUSIC_H
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#include "sound/audiocd.h"
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#include "sound/mididrv.h"
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#include "sound/midiparser.h"
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#include "sound/mp3.h"
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#include "sound/vorbis.h"
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#include "sound/flac.h"
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namespace Saga {
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enum MusicFlags {
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MUSIC_NORMAL = 0,
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MUSIC_LOOP = 0x0001,
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MUSIC_DEFAULT = 0xffff
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};
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class MusicPlayer : public MidiDriver {
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public:
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MusicPlayer(MidiDriver *driver);
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~MusicPlayer();
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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();
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void stopMusic();
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void setLoop(bool loop) { _looping = loop; }
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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(void) { 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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MidiParser *_parser;
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protected:
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static void onTimer(void *data);
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MidiChannel *_channel[16];
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MidiDriver *_driver;
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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 _looping;
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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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};
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class Music {
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public:
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Music(SagaEngine *vm, Audio::Mixer *mixer, MidiDriver *driver, int enabled);
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~Music(void);
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void setNativeMT32(bool b) { _player->setNativeMT32(b); }
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bool hasNativeMT32() { return _player->hasNativeMT32(); }
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void setAdlib(bool b) { _adlib = b; }
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bool hasAdlib() { return _adlib; }
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void setPassThrough(bool b) { _player->setPassThrough(b); }
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bool isPlaying(void);
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void play(uint32 resourceId, MusicFlags flags = MUSIC_DEFAULT);
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void pause(void);
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void resume(void);
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void stop(void);
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void setVolume(int volume, int time = 1);
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int getVolume() { return _currentVolume; }
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int32 *_songTable;
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int _songTableLen;
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private:
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SagaEngine *_vm;
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Audio::Mixer *_mixer;
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MusicPlayer *_player;
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Audio::SoundHandle _musicHandle;
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uint32 _trackNumber;
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int _enabled;
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bool _adlib;
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int _targetVolume;
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int _currentVolume;
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int _currentVolumePercent;
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ResourceContext *_digitalMusicContext;
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MidiParser *xmidiParser;
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MidiParser *smfParser;
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byte *_midiMusicData;
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static void musicVolumeGaugeCallback(void *refCon);
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void musicVolumeGauge(void);
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};
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} // End of namespace Saga
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#endif
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