aboutsummaryrefslogtreecommitdiff
path: root/engines/cine/sound.h
blob: 584cdab62fe805904d9dd0a79ba1ba5d91227fbd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2006 The ScummVM project
 *
 * cinE Engine is (C) 2004-2005 by CinE Team
 *
 * 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.
 *
 * $URL$
 * $Id$
 *
 */

#ifndef CINE_SOUND_H_
#define CINE_SOUND_H_

#include "common/util.h"
#include "sound/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;
	virtual void update() {}

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);
	virtual void update();

	enum {
		PAULA_FREQ = 7093789,
		NUM_CHANNELS = 4,
		SPL_HDR_SIZE = 22
	};

	struct SoundChannel {
		int frequency;
		const uint8 *data;
		int size;
		int volumeStep;
		int stepCount;
		int step;
		bool repeat;
		int volume;
	};

protected:

	void playSoundChannel(int channel, int frequency, const uint8 *data, int size, int volume);

	Audio::SoundHandle _channelsTable[NUM_CHANNELS];
	SoundChannel _soundChannelsTable[NUM_CHANNELS];
	Audio::SoundHandle _moduleHandle;
	Audio::AudioStream *_moduleStream;
};

extern Sound *g_sound;

} // End of namespace Cine

#endif /* CINE_SOUND_H_ */