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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
*/
#ifndef TOON_AUDIO_H
#define TOON_AUDIO_H
#include "audio/audiostream.h"
#include "audio/mixer.h"
#include "toon/toon.h"
namespace Toon {
// used for music/voice/everything
class AudioManager;
class AudioStreamInstance : public Audio::AudioStream {
public:
AudioStreamInstance(AudioManager *man, Audio::Mixer *mixer, Common::SeekableReadStream *stream, bool looping = false, bool deleteFileStreamAtEnd = false);
~AudioStreamInstance();
void play(bool fade = false, Audio::Mixer::SoundType soundType = Audio::Mixer::kMusicSoundType);
void stop(bool fade = false);
bool isPlaying() {
return !_stopped;
}
bool isLooping() {
return _looping;
}
bool isFading() {
return _fadingIn || _fadingOut;
}
int32 getPlayedSampleCount() {
return _playedSamples;
}
void setVolume(int32 volume);
protected:
int readBuffer(int16 *buffer, const int numSamples);
bool isStereo() const {
return false;
}
int getRate() const {
return 22100;
}
bool endOfData() const {
return _stopped;
}
void handleFade(int32 numSamples);
void stopNow();
bool readPacket();
void decodeADPCM(uint8 *comp, int16 *dest, int32 packetSize);
Common::SeekableReadStream *_file;
bool _fadingIn;
bool _fadingOut;
int32 _fadeTime;
uint8 *_compBuffer;
int16 *_buffer;
int32 _bufferSize;
int32 _bufferMaxSize;
int32 _bufferOffset;
int32 _compBufferSize;
Audio::SoundHandle _handle;
Audio::Mixer::SoundType _soundType;
Audio::Mixer *_mixer;
int32 _lastADPCMval1;
int32 _lastADPCMval2;
bool _stopped;
AudioManager *_man;
int32 _totalSize;
int32 _currentReadSize;
bool _looping;
int32 _volume;
int32 _musicAttenuation;
bool _deleteFileStream;
int32 _playedSamples;
};
class AudioStreamPackage {
public:
AudioStreamPackage(ToonEngine *vm);
~AudioStreamPackage();
bool loadAudioPackage(Common::String indexFile, Common::String streamFile);
void getInfo(int32 id, int32 *offset, int32 *size);
Common::SeekableReadStream *getStream(int32 id, bool ownMemory = false);
protected:
Common::SeekableReadStream *_file;
uint32 *_indexBuffer;
ToonEngine *_vm;
};
struct AudioAmbientSFX {
int32 _id;
int32 _volume;
int32 _lastTimer;
int32 _delay;
int32 _mode;
int32 _channel;
bool _enabled;
};
class AudioManager {
public:
void removeInstance(AudioStreamInstance *inst); // called by destructor
AudioManager(ToonEngine *vm, Audio::Mixer *mixer);
~AudioManager();
bool voiceStillPlaying();
void playMusic(Common::String dir, Common::String music);
void playVoice(int32 id, bool genericVoice);
int32 playSFX(int32 id, int volume, bool genericSFX);
void stopCurrentVoice();
void stopAllSfxs();
void setMusicVolume(int32 volume);
void stopMusic();
void muteVoice(bool mute);
void muteMusic(bool mute);
void muteSfx(bool mute);
bool isVoiceMuted() { return _voiceMuted; }
bool isMusicMuted() { return _musicMuted; }
bool isSfxMuted() { return _sfxMuted; }
void startAmbientSFX(int32 id, int32 delay, int32 mode, int32 volume);
void killAmbientSFX(int32 id);
void killAllAmbientSFX();
void updateAmbientSFX();
void setAmbientSFXVolume(int32 id, int volume);
void closeAudioPack(int32 id);
bool loadAudioPack(int32 id, Common::String indexFile, Common::String packFile);
AudioStreamInstance *_channels[16]; // 0-1 : music
// 2 : voice
// 3-16 : SFX
AudioStreamPackage *_audioPacks[4]; // 0 : generic streams
// 1 : local streams
// 2 : generic SFX
// 3 : local SFX
uint32 _currentMusicChannel;
Common::String _currentMusicName;
ToonEngine *_vm;
Audio::Mixer *_mixer;
protected:
bool _voiceMuted;
bool _musicMuted;
bool _sfxMuted;
AudioAmbientSFX _ambientSFXs[4];
};
} // End of namespace Toon
#endif
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