scummvm/engines/m4/sound.h
2011-05-12 01:16:22 +02:00

111 lines
2.4 KiB
C++

/* 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.
*
*/
// Sound class
#ifndef M4_SOUND_H
#define M4_SOUND_H
#include "common/file.h"
#include "common/array.h"
#include "audio/mixer.h"
#include "audio/decoders/mp3.h"
#include "audio/decoders/vorbis.h"
#include "audio/decoders/flac.h"
namespace M4 {
#define SOUND_HANDLES 10
enum SOUND_FLAGS {
SOUND_LOOP = 1
};
enum sndHandleType {
kFreeHandle,
kEffectHandle,
kVoiceHandle
};
struct SndHandle {
Audio::SoundHandle handle;
sndHandleType type;
};
struct DSREntry {
int16 frequency;
int channels;
int32 compSize;
int32 uncompSize;
int32 offset;
};
struct DSRFile {
char fileName[20];
int entryCount;
Common::Array<DSREntry> dsrEntries;
};
class MadsM4Engine;
class Sound {
public:
Sound(MadsM4Engine *vm, Audio::Mixer *mixer, int volume);
~Sound();
void playSound(const char *soundName, int volume, bool loop, int channel = -1);
void playSound(int soundNum);
void pauseSound();
void resumeSound();
void stopSound(int channel = -1);
void playVoice(const char *soundName, int volume);
void pauseVoice();
void resumeVoice();
void stopVoice();
void stopAll();
void setVolume(int volume);
bool isHandleActive(SndHandle *handle);
SndHandle *getHandle();
void loadDSRFile(const char *fileName);
void unloadDSRFile();
void playDSRSound(int soundIndex, int volume, bool loop);
private:
MadsM4Engine *_vm;
Audio::Mixer *_mixer;
SndHandle _handles[SOUND_HANDLES];
DSRFile _dsrFile;
bool _dsrFileLoaded;
};
} // End of namespace M4
#endif