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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004-2006 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef SOUND_H
#define SOUND_H
#include "common/stdafx.h"
#include "common/scummsys.h"
#include "sound/mididrv.h"
#include "sound/midiparser.h"
#include "sound/mixer.h"
#include "kyra/kyra.h"
class AudioStream;
namespace Audio {
class Mixer;
class SoundHandle;
} // end of namespace Audio
namespace Kyra {
class Sound {
public:
Sound(KyraEngine *engine, Audio::Mixer *mixer);
virtual ~Sound();
virtual bool init() = 0;
virtual void setVolume(int volume) = 0;
virtual int getVolume() = 0;
virtual void loadMusicFile(const char *file) = 0;
virtual void playTrack(uint8 track) = 0;
virtual void haltTrack() = 0;
virtual void playSoundEffect(uint8 track) = 0;
virtual void beginFadeOut() = 0;
void voicePlay(const char *file);
void voiceUnload() {}
bool voiceIsPlaying();
protected:
KyraEngine *_engine;
Audio::Mixer *_mixer;
private:
AudioStream *_currentVocFile;
Audio::SoundHandle _vocHandle;
Common::File _compressHandle;
struct SpeechCodecs {
const char *fileext;
AudioStream *(*streamFunc)(Common::File*, uint32);
};
static const SpeechCodecs _supportedCodes[];
};
class AdlibDriver;
class SoundAdlibPC : public Sound {
public:
SoundAdlibPC(Audio::Mixer *mixer, KyraEngine *engine);
~SoundAdlibPC();
bool init();
void setVolume(int volume);
int getVolume();
void loadMusicFile(const char *file);
void playTrack(uint8 track);
void haltTrack();
void playSoundEffect(uint8 track);
void beginFadeOut();
private:
void loadSoundFile(const char *file);
void unk1();
void unk2();
AdlibDriver *_driver;
uint8 _trackEntries[120];
uint8 *_soundDataPtr;
int _sfxPlayingSound;
Common::String _soundFileLoaded;
uint8 _sfxPriority;
uint8 _sfxFourthByteOfSong;
};
class SoundMidiPC : public MidiDriver, public Sound {
public:
SoundMidiPC(MidiDriver *driver, Audio::Mixer *mixer, KyraEngine *engine);
~SoundMidiPC();
bool init() { return true; }
void setVolume(int volume);
int getVolume() { return _volume; }
void loadMusicFile(const char *file);
void playTrack(uint8 track);
void haltTrack();
void playSoundEffect(uint8 track);
void beginFadeOut();
//MidiDriver interface implementation
int open();
void close();
void send(uint32 b);
void metaEvent(byte type, byte *data, uint16 length);
void setTimerCallback(void *timerParam, void (*timerProc)(void *)) { }
uint32 getBaseTempo(void) { return _driver ? _driver->getBaseTempo() : 0; }
//Channel allocation functions
MidiChannel *allocateChannel() { return 0; }
MidiChannel *getPercussionChannel() { return 0; }
void setPassThrough(bool b) { _passThrough = b; }
void hasNativeMT32(bool nativeMT32) { _nativeMT32 = nativeMT32; }
bool isMT32() { return _nativeMT32; }
private:
void playMusic(uint8 *data, uint32 size);
void stopMusic();
void loadSoundEffectFile(const char *file);
void loadSoundEffectFile(uint8 *data, uint32 size);
void stopSoundEffect();
static void onTimer(void *data);
MidiChannel *_channel[32];
int _virChannel[16];
uint8 _channelVolume[16];
MidiDriver *_driver;
bool _nativeMT32;
bool _passThrough;
uint8 _volume;
bool _isPlaying;
bool _sfxIsPlaying;
uint32 _fadeStartTime;
bool _fadeMusicOut;
bool _eventFromMusic;
MidiParser *_parser;
byte *_parserSource;
MidiParser *_soundEffect;
byte *_soundEffectSource;
};
} // end of namespace Kyra
#endif
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