aboutsummaryrefslogtreecommitdiff
path: root/engines/kyra/sound.h
blob: 9119fb44fac972f77cb892a7e1c59c72f5849d72 (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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
/* 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 KYRA_SOUND_H
#define KYRA_SOUND_H

#include "kyra/kyra_v1.h"

#include "common/scummsys.h"
#include "common/str.h"

#include "audio/mixer.h"

namespace Audio {
class AudioStream;
class SeekableAudioStream;
} // End of namespace Audio

namespace Kyra {

// Helper structs to format the data passed to the various initAudioResourceInfo() implementations
struct SoundResourceInfo_PC {
	SoundResourceInfo_PC(const char *const *files, int numFiles) : fileList(files), fileListSize(numFiles) {}
	const char *const *fileList;
	uint fileListSize;
};

struct SoundResourceInfo_Towns {
	SoundResourceInfo_Towns(const char *const *files, int numFiles, const int32 *cdaTbl, int cdaTblSize) : fileList(files), fileListSize(numFiles), cdaTable(cdaTbl), cdaTableSize(cdaTblSize) {}
	const char *const *fileList;
	uint fileListSize;
	const int32 *cdaTable;
	uint cdaTableSize;
};

struct SoundResourceInfo_PC98 {
	SoundResourceInfo_PC98(const char *fileNamePattern) : pattern(fileNamePattern) {}
	const char *pattern;
};

struct SoundResourceInfo_TownsPC98V2 {
	SoundResourceInfo_TownsPC98V2(const char *const *files, int numFiles, const char *fileNamePattern, const uint16 *cdaTbl, int cdaTblSize) : fileList(files), fileListSize(numFiles), pattern(fileNamePattern), cdaTable(cdaTbl), cdaTableSize(cdaTblSize) {}
	const char *const *fileList;
	uint fileListSize;
	const char *pattern;
	const uint16 *cdaTable;
	uint cdaTableSize;
};

/**
 * Analog audio output device API for Kyrandia games.
 * It contains functionality to play music tracks,
 * sound effects and voices.
 */
class Sound {
public:
	Sound(KyraEngine_v1 *vm, Audio::Mixer *mixer);
	virtual ~Sound();

	enum kType {
		kAdLib,
		kMidiMT32,
		kMidiGM,
		kTowns,
		kPC98,
		kPCSpkr,
		kAmiga
	};

	virtual kType getMusicType() const = 0;
	virtual kType getSfxType() const;

	/**
	 * Initializes the output device.
	 *
	 * @return true on success, else false
	 */
	virtual bool init() = 0;

	/**
	 * Updates the device, this is needed for some devices.
	 */
	virtual void process() {}

	/**
	 * Updates internal volume settings according to ConfigManager.
	 */
	virtual void updateVolumeSettings() {}

	/**
	 * Assigns static resource data with information on how to load
	 * audio resources to
	 *
	 * @param	set				value defined in AudioResourceSet enum
	 *			info			various types of resource info data (file list, file name pattern, struct, etc. - depending on the inheriting driver type)
	 */
	virtual void initAudioResourceInfo(int set, void *info) = 0;

	/**
	 * Select audio resource set.
	 *
	 * @param	set				value defined in AudioResourceSet enum
	 */
	virtual void selectAudioResourceSet(int set) = 0;

	/**
	 * Checks if a given sound file is present.
	 *
	 * @param track track number
	 * @return true if available, false otherwise
	 */
	virtual bool hasSoundFile(uint file) const = 0;

	/**
	 * Load a specifc sound file for use of
	 * playing music and sound effects.
	 */
	virtual void loadSoundFile(uint file) = 0;

	/**
	 * Load a sound file for playing music
	 * (and sometimes sound effects) from.
	 */
	virtual void loadSoundFile(Common::String file) = 0;

	/**
	 * Load a sound file for playing sound
	 * effects from.
	 */
	virtual void loadSfxFile(Common::String file) {}

	/**
	 * Plays the specified track.
	 *
	 * @param track track number
	 */
	virtual void playTrack(uint8 track) = 0;

	/**
	 * Stop playback of the current track.
	 */
	virtual void haltTrack() = 0;

	/**
	 * Plays the specified sound effect.
	 *
	 * @param track sound effect id
	 */
	virtual void playSoundEffect(uint8 track, uint8 volume = 0xff) = 0;

	/**
	 * Stop playback of all sfx tracks.
	 */
	virtual void stopAllSoundEffects() {}

	/**
	 * Checks if the sound driver plays any sound.
	 *
	 * @return true if playing, false otherwise
	 */
	virtual bool isPlaying() const;

	/**
	 * Starts fading out the volume.
	 *
	 * This keeps fading out the output until
	 * it is silenced, but does not change
	 * the volume set by setVolume! It will
	 * automatically reset the volume when
	 * playing a new track or sound effect.
	 */
	virtual void beginFadeOut() = 0;

	/**
	* Stops all audio playback when paused. Continues after end of pause.
	*/
	virtual void pause(bool paused) {}

	void enableMusic(int enable) { _musicEnabled = enable; }
	int musicEnabled() const { return _musicEnabled; }
	void enableSFX(bool enable) { _sfxEnabled = enable; }
	bool sfxEnabled() const { return _sfxEnabled; }

	/**
	 * Checks whether a voice file with the given name is present
	 *
	 * @param file     file name
	 * @return true if available, false otherwise
	 */
	bool isVoicePresent(const char *file) const;

	/**
	 * Plays the specified voice file.
	 *
	 * Also before starting to play the
	 * specified voice file, it stops the
	 * current voice.
	 *
	 * @param file      file to be played
	 * @param volume    volume of the voice file
	 * @param isSfx     marks file as sfx instead of voice
	 * @param handle    store a copy of the sound handle
	 * @return playtime of the voice file (-1 marks unknown playtime)
	 */
	virtual int32 voicePlay(const char *file, Audio::SoundHandle *handle = 0, uint8 volume = 255, uint8 priority = 255, bool isSfx = false);

	Audio::SeekableAudioStream *getVoiceStream(const char *file) const;

	bool playVoiceStream(Audio::AudioStream *stream, Audio::SoundHandle *handle = 0, uint8 volume = 255, uint8 priority = 255, bool isSfx = false);

	/**
	 * Checks if a voice is being played.
	 *
	 * @return true when playing, else false
	 */
	bool voiceIsPlaying(const Audio::SoundHandle *handle = 0) const;

	/**
	 * Checks if all voice handles are used.
	 *
	 * @return false when a handle is free, else true
	 */
	bool allVoiceChannelsPlaying() const;

	/**
	 * Checks how long a voice has been playing
	 *
	 * @return time in milliseconds
	 */
	uint32 voicePlayedTime(const Audio::SoundHandle &handle) const {
		return _mixer->getSoundElapsedTime(handle);
	}

	/**
	 * Stops playback of the current voice.
	 */
	void voiceStop(const Audio::SoundHandle *handle = 0);

	/**
	 * Receive notifications from a song at certain points.
	 */
	virtual int checkTrigger() { return 0; }

	/**
	 * Reset sound trigger.
	 */
	virtual void resetTrigger() {}
protected:
	enum {
		kNumChannelHandles = 4
	};

	struct SoundChannel {
		SoundChannel() : handle(), priority(0) {}
		Audio::SoundHandle handle;
		int priority;
	};

	SoundChannel _soundChannels[kNumChannelHandles];

	int _musicEnabled;
	bool _sfxEnabled;

	KyraEngine_v1 *_vm;
	Audio::Mixer *_mixer;

private:
	struct SpeechCodecs {
		const char *fileext;
		Audio::SeekableAudioStream *(*streamFunc)(
			Common::SeekableReadStream *stream,
			DisposeAfterUse::Flag disposeAfterUse);
	};

	static const SpeechCodecs _supportedCodecs[];
};

class MixedSoundDriver : public Sound {
public:
	MixedSoundDriver(KyraEngine_v1 *vm, Audio::Mixer *mixer, Sound *music, Sound *sfx);
	~MixedSoundDriver();

	virtual kType getMusicType() const;
	virtual kType getSfxType() const;

	virtual bool init();
	virtual void process();

	virtual void updateVolumeSettings();

	virtual void initAudioResourceInfo(int set, void *info);
	virtual void selectAudioResourceSet(int set);
	virtual bool hasSoundFile(uint file) const;
	virtual void loadSoundFile(uint file);
	virtual void loadSoundFile(Common::String file);

	virtual void loadSfxFile(Common::String file);

	virtual void playTrack(uint8 track);
	virtual void haltTrack();
	virtual bool isPlaying() const;

	virtual void playSoundEffect(uint8 track, uint8 volume = 0xff);

	virtual void stopAllSoundEffects();

	virtual void beginFadeOut();
	virtual void pause(bool paused);
private:
	Sound *_music, *_sfx;
};

} // End of namespace Kyra

#endif