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_LINUX) || defined(PLATFORM_FREEBSD) || defined(VOXWARE)
40 #define AUDIO_LINUX_IOCTL
43 #if defined(AUDIO_LINUX_IOCTL) || defined(PLATFORM_NETBSD)
44 #define AUDIO_STREAMING_DSP
47 #define AUDIO_SAMPLE_RATE_8000 8000
48 #define AUDIO_SAMPLE_RATE_22050 22050
50 #define AUDIO_FRAGMENT_SIZE_512 512
51 #define AUDIO_FRAGMENT_SIZE_1024 1024
52 #define AUDIO_FRAGMENT_SIZE_2048 2048
53 #define AUDIO_FRAGMENT_SIZE_4096 4096
55 #define AUDIO_NUM_CHANNELS_MONO 1
56 #define AUDIO_NUM_CHANNELS_STEREO 2
58 #define AUDIO_FORMAT_U8 (1 << 0)
59 #define AUDIO_FORMAT_S16 (1 << 1)
60 #define AUDIO_FORMAT_LE (1 << 2)
61 #define AUDIO_FORMAT_BE (1 << 3)
63 #if defined(TARGET_SDL)
64 /* one second fading interval == 1000 ticks (milliseconds) */
65 #define SOUND_FADING_INTERVAL 1000
66 #define SOUND_MAX_VOLUME SDL_MIX_MAXVOLUME
69 #if defined(AUDIO_STREAMING_DSP)
70 #define SOUND_FADING_VOLUME_STEP (PSND_MAX_VOLUME / 40)
71 #define SOUND_FADING_VOLUME_THRESHOLD (SOUND_FADING_VOLUME_STEP * 2)
74 #define DEFAULT_AUDIO_SAMPLE_RATE AUDIO_SAMPLE_RATE_22050
75 #define DEFAULT_AUDIO_FRAGMENT_SIZE_UNIX AUDIO_FRAGMENT_SIZE_512
76 #define DEFAULT_AUDIO_FRAGMENT_SIZE_WIN32 AUDIO_FRAGMENT_SIZE_2048
78 #if defined(PLATFORM_UNIX)
79 #define DEFAULT_AUDIO_FRAGMENT_SIZE DEFAULT_AUDIO_FRAGMENT_SIZE_UNIX
81 #define DEFAULT_AUDIO_FRAGMENT_SIZE DEFAULT_AUDIO_FRAGMENT_SIZE_WIN32
84 #if defined(TARGET_SDL)
85 #define NUM_MIXER_CHANNELS MIX_CHANNELS
87 #define NUM_MIXER_CHANNELS 8
90 #define MUSIC_CHANNEL 0
91 #define FIRST_SOUND_CHANNEL 1
93 #if !defined(PLATFORM_HPUX)
94 #define SND_BLOCKSIZE 4096
96 #define SND_BLOCKSIZE 32768
99 /* some values for PlaySound(), StopSound() and friends */
100 #if !defined(PLATFORM_MSDOS)
102 #define PSND_SILENCE 0
103 #define PSND_MAX_VOLUME_BITS 15
104 #define PSND_MIN_VOLUME 0
105 #define PSND_MAX_VOLUME (1 << PSND_MAX_VOLUME_BITS)
106 #define PSND_MIDDLE 0
107 #define PSND_MAX_STEREO_BITS 7
108 #define PSND_MAX_STEREO (1 << PSND_MAX_STEREO_BITS)
109 #define PSND_MAX_LEFT (-PSND_MAX_STEREO)
110 #define PSND_MAX_RIGHT (+PSND_MAX_STEREO)
111 #define PSND_MAX_LEFT2RIGHT_BITS (PSND_MAX_STEREO_BITS+1)
112 #define PSND_MAX_LEFT2RIGHT (1 << PSND_MAX_LEFT2RIGHT_BITS)
114 #else /* PLATFORM_MSDOS */
116 #define PSND_SILENCE 0
117 #define PSND_MIN_VOLUME 0
118 #define PSND_MAX_VOLUME 255
119 #define PSND_MAX_LEFT 0
120 #define PSND_MAX_RIGHT 255
121 #define PSND_MIDDLE 128
126 #define PSND_NO_LOOP 0
130 #define SSND_FADE_SOUND (1 << 0)
131 #define SSND_FADE_MUSIC (1 << 1)
132 #define SSND_FADE_ALL (1 << 2)
133 #define SSND_FADING (SSND_FADE_SOUND | \
136 #define SSND_STOP_SOUND (1 << 3)
137 #define SSND_STOP_MUSIC (1 << 4)
138 #define SSND_STOP_ALL (1 << 5)
139 #define SSND_STOPPING (SSND_STOP_SOUND | \
142 #define SSND_MUSIC (SSND_FADE_MUSIC | SSND_STOP_MUSIC)
143 #define SSND_ALL (SSND_FADE_ALL | SSND_STOP_ALL)
145 #define SND_RELOAD_SOUNDS 1
146 #define SND_RELOAD_MUSIC 2
149 #define SND_TYPE_NONE 0
150 #define SND_TYPE_WAV 1
152 #define MUS_TYPE_NONE 0
153 #define MUS_TYPE_WAV 1
154 #define MUS_TYPE_MOD 2
156 /* settings for sound path, sound device, etc. */
158 #define SND_PATH "./sounds"
161 #define DEVICENAME_DSP "/dev/dsp"
162 #define DEVICENAME_AUDIO "/dev/audio"
163 #define DEVICENAME_AUDIOCTL "/dev/audioCtl"
166 #if defined(AUDIO_STREAMING_DSP)
167 #define AUDIO_DEVICE DEVICENAME_DSP
169 #define AUDIO_DEVICE DEVICENAME_AUDIO
173 /* value for undefined sound effect filename */
174 #define SND_FILE_UNDEFINED "NONE"
178 struct SoundHeader_SUN
181 unsigned long hdr_size;
182 unsigned long data_size;
183 unsigned long encoding;
184 unsigned long sample_rate;
185 unsigned long channels;
188 struct SoundHeader_8SVX
191 unsigned long chunk_size;
196 struct AudioFormatInfo
198 boolean stereo; /* availability of stereo sound */
199 int format; /* size and endianess of sample data */
200 int sample_rate; /* sample frequency */
201 int fragment_size; /* audio device fragment size in bytes */
204 struct SoundEffectInfo
207 char *default_filename;
214 char *source_filename;
222 typedef struct SampleInfo SoundInfo;
223 typedef struct SampleInfo MusicInfo;
225 #define SND_CTRL_NONE (0)
226 #define SND_CTRL_MUSIC (1 << 0)
227 #define SND_CTRL_LOOP (1 << 1)
228 #define SND_CTRL_FADE (1 << 2)
229 #define SND_CTRL_STOP (1 << 3)
230 #define SND_CTRL_ALL_SOUNDS (1 << 4)
231 #define SND_CTRL_RELOAD_SOUNDS (1 << 5)
232 #define SND_CTRL_RELOAD_MUSIC (1 << 6)
234 #define SND_CTRL_PLAY_SOUND (SND_CTRL_NONE)
235 #define SND_CTRL_PLAY_LOOP (SND_CTRL_LOOP)
236 #define SND_CTRL_PLAY_MUSIC (SND_CTRL_LOOP | SND_CTRL_MUSIC)
238 #define SND_CTRL_FADE_SOUND (SND_CTRL_FADE)
239 #define SND_CTRL_FADE_MUSIC (SND_CTRL_FADE | SND_CTRL_MUSIC)
240 #define SND_CTRL_FADE_ALL (SND_CTRL_FADE | SND_CTRL_ALL_SOUNDS)
242 #define SND_CTRL_STOP_SOUND (SND_CTRL_STOP)
243 #define SND_CTRL_STOP_MUSIC (SND_CTRL_STOP | SND_CTRL_MUSIC)
244 #define SND_CTRL_STOP_ALL (SND_CTRL_STOP | SND_CTRL_ALL_SOUNDS)
246 #define IS_MUSIC(x) ((x).state & SND_CTRL_MUSIC)
247 #define IS_LOOP(x) ((x).state & SND_CTRL_LOOP)
248 #define IS_FADING(x) ((x).state & SND_CTRL_FADE)
249 #define IS_STOPPING(x) ((x).state & SND_CTRL_STOP)
250 #define IS_RELOADING(x) ((x).state & (SND_CTRL_RELOAD_SOUNDS | \
251 SND_CTRL_RELOAD_MUSIC))
252 #define ALL_SOUNDS(x) ((x).state & SND_CTRL_ALL_SOUNDS)
269 boolean stop_all_sounds;
270 boolean reload_sounds;
271 boolean reload_music;
281 #if defined(PLATFORM_MSDOS)
286 /* general sound functions */
287 void UnixOpenAudio(void);
288 void UnixCloseAudio(void);
290 /* sound server functions */
291 void InitPlaylist(void);
292 void StartSoundserver(void);
293 void SoundServer(void);
295 /* sound client functions */
298 void PlaySoundStereo(int, int);
299 void PlaySoundLoop(int);
300 void PlaySoundMusic(int);
301 void PlaySoundExt(int, int, int, int);
302 void FadeMusic(void);
304 void FadeSounds(void);
305 void StopMusic(void);
307 void StopSounds(void);
308 void StopSoundExt(int, int);
309 void InitSoundList(struct SoundEffectInfo *, int);
310 void InitReloadSounds(char *);
311 void InitReloadMusic(char *);
312 void FreeAllSounds(void);
313 void FreeAllMusic(void);