1 /***********************************************************
2 * Artsoft Retro-Game Library *
3 *----------------------------------------------------------*
4 * (c) 1994-2001 Artsoft Entertainment *
6 * Detmolder Strasse 189 *
9 * e-mail: info@artsoft.org *
10 *----------------------------------------------------------*
12 ***********************************************************/
21 #if defined(PLATFORM_LINUX)
22 #include <sys/ioctl.h>
25 #if defined(PLATFORM_LINUX)
26 #include <linux/soundcard.h>
27 #elif defined(PLATFORM_FREEBSD)
28 #include <machine/soundcard.h>
29 #elif defined(PLATFORM_NETBSD)
30 #include <sys/ioctl.h>
31 #include <sys/audioio.h>
32 #elif defined(PLATFORM_HPUX)
33 #include <sys/audio.h>
39 #if defined(PLATFORM_UNIX) && !defined(TARGET_SDL)
40 #define AUDIO_UNIX_NATIVE
43 #if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD) || defined(VOXWARE)
44 #define AUDIO_LINUX_IOCTL
47 #if defined(AUDIO_LINUX_IOCTL) || defined(PLATFORM_NETBSD)
48 #define AUDIO_STREAMING_DSP
51 #define AUDIO_SAMPLE_RATE_8000 8000
52 #define AUDIO_SAMPLE_RATE_22050 22050
54 #define AUDIO_FRAGMENT_SIZE_512 512
55 #define AUDIO_FRAGMENT_SIZE_1024 1024
56 #define AUDIO_FRAGMENT_SIZE_2048 2048
57 #define AUDIO_FRAGMENT_SIZE_4096 4096
59 #define AUDIO_NUM_CHANNELS_MONO 1
60 #define AUDIO_NUM_CHANNELS_STEREO 2
62 #define AUDIO_FORMAT_UNKNOWN (0)
63 #define AUDIO_FORMAT_U8 (1 << 0)
64 #define AUDIO_FORMAT_S16 (1 << 1)
65 #define AUDIO_FORMAT_LE (1 << 2)
66 #define AUDIO_FORMAT_BE (1 << 3)
68 #if defined(TARGET_SDL)
69 /* one second fading interval == 1000 ticks (milliseconds) */
70 #define SOUND_FADING_INTERVAL 1000
71 #define SOUND_MAX_VOLUME SDL_MIX_MAXVOLUME
74 #if defined(AUDIO_STREAMING_DSP)
75 #define SOUND_FADING_VOLUME_STEP (PSND_MAX_VOLUME / 40)
76 #define SOUND_FADING_VOLUME_THRESHOLD (SOUND_FADING_VOLUME_STEP * 2)
79 #if defined(AUDIO_STREAMING_DSP)
80 #define DEFAULT_AUDIO_SAMPLE_RATE AUDIO_SAMPLE_RATE_22050
82 #define DEFAULT_AUDIO_SAMPLE_RATE AUDIO_SAMPLE_RATE_8000
85 #define DEFAULT_AUDIO_FRAGMENT_SIZE_UNIX AUDIO_FRAGMENT_SIZE_512
86 #define DEFAULT_AUDIO_FRAGMENT_SIZE_WIN32 AUDIO_FRAGMENT_SIZE_2048
88 #if defined(PLATFORM_UNIX)
89 #define DEFAULT_AUDIO_FRAGMENT_SIZE DEFAULT_AUDIO_FRAGMENT_SIZE_UNIX
91 #define DEFAULT_AUDIO_FRAGMENT_SIZE DEFAULT_AUDIO_FRAGMENT_SIZE_WIN32
94 #if defined(TARGET_SDL)
95 #define NUM_MIXER_CHANNELS MIX_CHANNELS
97 #define NUM_MIXER_CHANNELS 8
100 #define MUSIC_CHANNEL 0
101 #define FIRST_SOUND_CHANNEL 1
103 #if !defined(PLATFORM_HPUX)
104 #define SND_BLOCKSIZE 4096
106 #define SND_BLOCKSIZE 32768
109 /* some values for PlaySound(), StopSound() and friends */
110 #if !defined(PLATFORM_MSDOS)
112 #define PSND_SILENCE 0
113 #define PSND_MAX_VOLUME_BITS 15
114 #define PSND_MIN_VOLUME 0
115 #define PSND_MAX_VOLUME (1 << PSND_MAX_VOLUME_BITS)
116 #define PSND_MIDDLE 0
117 #define PSND_MAX_STEREO_BITS 7
118 #define PSND_MAX_STEREO (1 << PSND_MAX_STEREO_BITS)
119 #define PSND_MAX_LEFT (-PSND_MAX_STEREO)
120 #define PSND_MAX_RIGHT (+PSND_MAX_STEREO)
121 #define PSND_MAX_LEFT2RIGHT_BITS (PSND_MAX_STEREO_BITS+1)
122 #define PSND_MAX_LEFT2RIGHT (1 << PSND_MAX_LEFT2RIGHT_BITS)
124 #else /* PLATFORM_MSDOS */
126 #define PSND_SILENCE 0
127 #define PSND_MIN_VOLUME 0
128 #define PSND_MAX_VOLUME 255
129 #define PSND_MAX_LEFT 0
130 #define PSND_MAX_RIGHT 255
131 #define PSND_MIDDLE 128
136 #define PSND_NO_LOOP 0
140 #define SSND_FADE_SOUND (1 << 0)
141 #define SSND_FADE_MUSIC (1 << 1)
142 #define SSND_FADE_ALL (1 << 2)
143 #define SSND_FADING (SSND_FADE_SOUND | \
146 #define SSND_STOP_SOUND (1 << 3)
147 #define SSND_STOP_MUSIC (1 << 4)
148 #define SSND_STOP_ALL (1 << 5)
149 #define SSND_STOPPING (SSND_STOP_SOUND | \
152 #define SSND_MUSIC (SSND_FADE_MUSIC | SSND_STOP_MUSIC)
153 #define SSND_ALL (SSND_FADE_ALL | SSND_STOP_ALL)
155 #define SND_RELOAD_SOUNDS 1
156 #define SND_RELOAD_MUSIC 2
159 #define SND_TYPE_NONE 0
160 #define SND_TYPE_WAV 1
162 #define MUS_TYPE_NONE 0
163 #define MUS_TYPE_WAV 1
164 #define MUS_TYPE_MOD 2
166 /* settings for sound path, sound device, etc. */
168 #define SND_PATH "./sounds"
171 #define DEVICENAME_DSP "/dev/dsp"
172 #define DEVICENAME_AUDIO "/dev/audio"
173 #define DEVICENAME_AUDIOCTL "/dev/audioCtl"
176 #if defined(AUDIO_STREAMING_DSP)
177 #define AUDIO_DEVICE DEVICENAME_DSP
179 #define AUDIO_DEVICE DEVICENAME_AUDIO
183 /* value for undefined sound effect filename */
184 #define SND_FILE_UNDEFINED "NONE"
188 struct SoundHeader_SUN
191 unsigned long hdr_size;
192 unsigned long data_size;
193 unsigned long encoding;
194 unsigned long sample_rate;
195 unsigned long channels;
198 struct SoundHeader_8SVX
201 unsigned long chunk_size;
206 struct AudioFormatInfo
208 boolean stereo; /* availability of stereo sound */
209 int format; /* size and endianess of sample data */
210 int sample_rate; /* sample frequency */
211 int fragment_size; /* audio device fragment size in bytes */
214 struct SoundEffectInfo
217 char *default_filename;
223 char *source_filename;
232 typedef struct SampleInfo SoundInfo;
233 typedef struct SampleInfo MusicInfo;
235 #define SND_CTRL_NONE (0)
236 #define SND_CTRL_MUSIC (1 << 0)
237 #define SND_CTRL_LOOP (1 << 1)
238 #define SND_CTRL_FADE (1 << 2)
239 #define SND_CTRL_STOP (1 << 3)
240 #define SND_CTRL_ALL_SOUNDS (1 << 4)
241 #define SND_CTRL_RELOAD_SOUNDS (1 << 5)
242 #define SND_CTRL_RELOAD_MUSIC (1 << 6)
244 #define SND_CTRL_PLAY_SOUND (SND_CTRL_NONE)
245 #define SND_CTRL_PLAY_LOOP (SND_CTRL_LOOP)
246 #define SND_CTRL_PLAY_MUSIC (SND_CTRL_LOOP | SND_CTRL_MUSIC)
248 #define SND_CTRL_FADE_SOUND (SND_CTRL_FADE)
249 #define SND_CTRL_FADE_MUSIC (SND_CTRL_FADE | SND_CTRL_MUSIC)
250 #define SND_CTRL_FADE_ALL (SND_CTRL_FADE | SND_CTRL_ALL_SOUNDS)
252 #define SND_CTRL_STOP_SOUND (SND_CTRL_STOP)
253 #define SND_CTRL_STOP_MUSIC (SND_CTRL_STOP | SND_CTRL_MUSIC)
254 #define SND_CTRL_STOP_ALL (SND_CTRL_STOP | SND_CTRL_ALL_SOUNDS)
256 #define IS_MUSIC(x) ((x).state & SND_CTRL_MUSIC)
257 #define IS_LOOP(x) ((x).state & SND_CTRL_LOOP)
258 #define IS_FADING(x) ((x).state & SND_CTRL_FADE)
259 #define IS_STOPPING(x) ((x).state & SND_CTRL_STOP)
260 #define IS_RELOADING(x) ((x).state & (SND_CTRL_RELOAD_SOUNDS | \
261 SND_CTRL_RELOAD_MUSIC))
262 #define ALL_SOUNDS(x) ((x).state & SND_CTRL_ALL_SOUNDS)
282 #if defined(PLATFORM_MSDOS)
287 typedef struct SoundControl SoundControl;
289 /* general sound functions */
290 void UnixOpenAudio(void);
291 void UnixCloseAudio(void);
293 /* mixer functions */
294 void Mixer_InitChannels(void);
295 void StartMixer(void);
297 /* sound client functions */
300 void PlaySoundStereo(int, int);
301 void PlaySoundLoop(int);
302 void PlaySoundMusic(int);
303 void PlaySoundExt(int, int, int, int);
304 void FadeMusic(void);
306 void FadeSounds(void);
307 void StopMusic(void);
309 void StopSounds(void);
310 void StopSoundExt(int, int);
311 void InitSoundList(struct SoundEffectInfo *, int);
312 void InitReloadSounds(char *);
313 void InitReloadMusic(char *);
314 void FreeAllSounds(void);
315 void FreeAllMusic(void);