mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-21 01:08:25 +00:00
136 lines
3.3 KiB
C++
136 lines
3.3 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef CINE_SOUND_H_
|
|
#define CINE_SOUND_H_
|
|
|
|
#include "common/util.h"
|
|
#include "common/mutex.h"
|
|
#include "audio/mixer.h"
|
|
|
|
namespace Audio {
|
|
class AudioStream;
|
|
}
|
|
|
|
namespace Cine {
|
|
|
|
class CineEngine;
|
|
|
|
class Sound {
|
|
public:
|
|
|
|
Sound(Audio::Mixer *mixer, CineEngine *vm) : _mixer(mixer), _vm(vm) {}
|
|
virtual ~Sound() {}
|
|
|
|
virtual void loadMusic(const char *name) = 0;
|
|
virtual void playMusic() = 0;
|
|
virtual void stopMusic() = 0;
|
|
virtual void fadeOutMusic() = 0;
|
|
|
|
virtual void playSound(int channel, int frequency, const uint8 *data, int size, int volumeStep, int stepCount, int volume, int repeat) = 0;
|
|
virtual void stopSound(int channel) = 0;
|
|
|
|
protected:
|
|
|
|
Audio::Mixer *_mixer;
|
|
CineEngine *_vm;
|
|
};
|
|
|
|
class PCSoundDriver;
|
|
class PCSoundFxPlayer;
|
|
|
|
class PCSound : public Sound {
|
|
public:
|
|
|
|
PCSound(Audio::Mixer *mixer, CineEngine *vm);
|
|
virtual ~PCSound();
|
|
|
|
virtual void loadMusic(const char *name);
|
|
virtual void playMusic();
|
|
virtual void stopMusic();
|
|
virtual void fadeOutMusic();
|
|
|
|
virtual void playSound(int channel, int frequency, const uint8 *data, int size, int volumeStep, int stepCount, int volume, int repeat);
|
|
virtual void stopSound(int channel);
|
|
|
|
protected:
|
|
|
|
PCSoundDriver *_soundDriver;
|
|
PCSoundFxPlayer *_player;
|
|
};
|
|
|
|
class PaulaSound : public Sound {
|
|
public:
|
|
|
|
PaulaSound(Audio::Mixer *mixer, CineEngine *vm);
|
|
virtual ~PaulaSound();
|
|
|
|
virtual void loadMusic(const char *name);
|
|
virtual void playMusic();
|
|
virtual void stopMusic();
|
|
virtual void fadeOutMusic();
|
|
|
|
virtual void playSound(int channel, int frequency, const uint8 *data, int size, int volumeStep, int stepCount, int volume, int repeat);
|
|
virtual void stopSound(int channel);
|
|
|
|
enum {
|
|
PAULA_FREQ = 3579545,
|
|
NUM_CHANNELS = 4
|
|
};
|
|
|
|
protected:
|
|
|
|
struct SfxChannel {
|
|
Audio::SoundHandle handle;
|
|
int volume;
|
|
int volumeStep;
|
|
int curStep;
|
|
int stepCount;
|
|
|
|
void initialize(int vol, int volStep, int stepCnt) {
|
|
volume = vol;
|
|
volumeStep = volStep;
|
|
curStep = stepCount = stepCnt;
|
|
}
|
|
};
|
|
SfxChannel _channelsTable[NUM_CHANNELS];
|
|
static const int _channelBalance[NUM_CHANNELS];
|
|
Common::Mutex _sfxMutex;
|
|
int _sfxTimer;
|
|
static void sfxTimerProc(void *param);
|
|
void sfxTimerCallback();
|
|
|
|
Common::Mutex _musicMutex;
|
|
int _musicTimer;
|
|
int _musicFadeTimer;
|
|
static void musicTimerProc(void *param);
|
|
void musicTimerCallback();
|
|
Audio::SoundHandle _moduleHandle;
|
|
Audio::AudioStream *_moduleStream;
|
|
};
|
|
|
|
extern Sound *g_sound;
|
|
|
|
} // End of namespace Cine
|
|
|
|
#endif /* CINE_SOUND_H_ */
|