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