1 /* ScummVM - Graphic Adventure Engine 2 * 3 * ScummVM is the legal property of its developers, whose names 4 * are too numerous to list here. Please refer to the COPYRIGHT 5 * file distributed with this source distribution. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 2 10 * of the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 // Music class 24 25 #ifndef SAGA_MUSIC_H 26 #define SAGA_MUSIC_H 27 28 #include "audio/mididrv.h" 29 #include "audio/midiplayer.h" 30 #include "audio/midiparser.h" 31 #include "audio/mixer.h" 32 33 namespace Saga { 34 35 enum MusicFlags { 36 MUSIC_NORMAL = 0, 37 MUSIC_LOOP = 0x0001 38 }; 39 40 class MusicDriver : public Audio::MidiPlayer { 41 public: 42 MusicDriver(); 43 44 void play(SagaEngine *vm, ByteArray *buffer, bool loop); 45 void playQuickTime(const Common::String &musicName, bool loop); 46 virtual void pause(); 47 virtual void resume(); 48 isAdlib()49 bool isAdlib() const { return _driverType == MT_ADLIB; } 50 51 // FIXME isPlaying()52 bool isPlaying() const { return _parser && _parser->isPlaying(); } 53 54 // MidiDriver_BASE interface implementation 55 virtual void send(uint32 b); 56 virtual void metaEvent(byte type, byte *data, uint16 length); 57 58 protected: 59 MusicType _driverType; 60 bool _isGM; 61 bool _milesAudioMode; 62 }; 63 64 class Music { 65 public: 66 67 Music(SagaEngine *vm, Audio::Mixer *mixer); 68 ~Music(); 69 bool isPlaying(); hasDigitalMusic()70 bool hasDigitalMusic() { return _digitalMusic; } 71 72 void play(uint32 resourceId, MusicFlags flags = MUSIC_NORMAL); 73 void pause(); 74 void resume(); 75 void stop(); 76 77 void setVolume(int volume, int time = 1); getVolume()78 int getVolume() { return _currentVolume; } 79 isAdlib()80 bool isAdlib() const { return _player->isAdlib(); } 81 82 Common::Array<int32> _songTable; 83 84 private: 85 SagaEngine *_vm; 86 Audio::Mixer *_mixer; 87 88 MusicDriver *_player; 89 Audio::SoundHandle _musicHandle; 90 uint32 _trackNumber; 91 92 int _targetVolume; 93 int _currentVolume; 94 int _currentVolumePercent; 95 bool _digitalMusic; 96 97 ResourceContext *_musicContext; 98 ResourceContext *_digitalMusicContext; 99 100 101 static void musicVolumeGaugeCallback(void *refCon); 102 static void onTimer(void *refCon); 103 void musicVolumeGauge(); 104 ByteArray *_currentMusicBuffer; 105 ByteArray _musicBuffer[2]; 106 }; 107 108 } // End of namespace Saga 109 110 #endif 111