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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef AGI_SOUND_H
#define AGI_SOUND_H
namespace Audio {
class Mixer;
class SoundHandle;
}
namespace Agi {
#define SOUND_EMU_NONE 0
#define SOUND_EMU_PC 1
#define SOUND_EMU_PCJR 2
#define SOUND_EMU_MAC 3
#define SOUND_EMU_AMIGA 4
#define SOUND_EMU_APPLE2 5
#define SOUND_EMU_APPLE2GS 6
#define SOUND_EMU_COCO3 7
#define SOUND_EMU_MIDI 8
/**
* AGI sound resource types.
* These values are the first 16-bit LE words of each resource's header,
* except for AGIv1, Apple II, and CoCo3, which do not have headers.
*/
enum AgiSoundEmuType {
AGI_SOUND_SAMPLE = 0x0001,
AGI_SOUND_MIDI = 0x0002,
AGI_SOUND_4CHN = 0x0008,
AGI_SOUND_APPLE2 = 0xffff,
AGI_SOUND_COCO3 = 0xfffe
};
class SoundMgr;
class SoundGen {
public:
SoundGen(AgiBase *vm, Audio::Mixer *pMixer);
virtual ~SoundGen();
virtual void play(int resnum) = 0;
virtual void stop() = 0;
AgiBase *_vm;
Audio::Mixer *_mixer;
Audio::SoundHandle *_soundHandle;
uint32 _sampleRate;
};
/**
* AGI sound resource structure.
*/
class AgiSound {
public:
AgiSound(byte resourceNr, byte *data, uint32 length, uint16 type) :
_resourceNr(resourceNr),
_data(data),
_length(length),
_type(type),
_isPlaying(false) {}
virtual ~AgiSound() { free(_data); }
virtual void play() { _isPlaying = true; }
virtual void stop() { _isPlaying = false; }
virtual bool isPlaying() { return _isPlaying; }
byte *getData() { return _data; }
uint32 getLength() { return _length; }
virtual uint16 type() { return _type; }
virtual bool isValid() { return true; }
/**
* A named constructor for creating different types of AgiSound objects
* from a raw sound resource.
*/
static AgiSound *createFromRawResource(uint8 *data, uint32 len, int resnum, int soundemu, bool isAgiV1);
protected:
byte _resourceNr;
byte *_data;
uint32 _length;
uint16 _type;
bool _isPlaying;
};
class PCjrSound : public AgiSound {
public:
PCjrSound(byte resourceNr, byte *data, uint32 length, uint16 type);
const uint8 *getVoicePointer(uint voiceNum);
};
class SoundMgr {
public:
SoundMgr(AgiBase *agi, Audio::Mixer *pMixer);
~SoundMgr();
void unloadSound(int);
void startSound(int, int);
void stopSound();
void soundIsFinished();
bool isPlaying() const { return _playingSound != -1; }
private:
int _endflag;
AgiBase *_vm;
SoundGen *_soundGen;
int _playingSound;
};
} // End of namespace Agi
#endif /* AGI_SOUND_H */
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