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_MONO_CHANNEL 1
56 #define AUDIO_STEREO_CHANNELS 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(PLATFORM_MSDOS)
85 #define MAX_SOUNDS_PLAYING 16
87 #define MAX_SOUNDS_PLAYING 8
90 #if !defined(PLATFORM_HPUX)
91 #define SND_BLOCKSIZE 4096
93 #define SND_BLOCKSIZE 32768
96 /* some values for PlaySound(), StopSound() and friends */
97 #if !defined(PLATFORM_MSDOS)
99 #define PSND_SILENCE 0
100 #define PSND_MAX_VOLUME_BITS 15
101 #define PSND_MIN_VOLUME 0
102 #define PSND_MAX_VOLUME (1 << PSND_MAX_VOLUME_BITS)
103 #define PSND_MIDDLE 0
104 #define PSND_MAX_STEREO_BITS 7
105 #define PSND_MAX_STEREO (1 << PSND_MAX_STEREO_BITS)
106 #define PSND_MAX_LEFT (-PSND_MAX_STEREO)
107 #define PSND_MAX_RIGHT (+PSND_MAX_STEREO)
108 #define PSND_MAX_LEFT2RIGHT_BITS (PSND_MAX_STEREO_BITS+1)
109 #define PSND_MAX_LEFT2RIGHT (1 << PSND_MAX_LEFT2RIGHT_BITS)
111 #else /* PLATFORM_MSDOS */
113 #define PSND_SILENCE 0
114 #define PSND_MIN_VOLUME 0
115 #define PSND_MAX_VOLUME 255
116 #define PSND_MAX_LEFT 0
117 #define PSND_MAX_RIGHT 255
118 #define PSND_MIDDLE 128
122 #define PSND_NO_LOOP 0
126 #define SSND_FADE_SOUND (1 << 0)
127 #define SSND_FADE_MUSIC (1 << 1)
128 #define SSND_FADE_ALL (1 << 2)
129 #define SSND_FADING (SSND_FADE_SOUND | \
132 #define SSND_STOP_SOUND (1 << 3)
133 #define SSND_STOP_MUSIC (1 << 4)
134 #define SSND_STOP_ALL (1 << 5)
135 #define SSND_STOPPING (SSND_STOP_SOUND | \
138 #define SSND_MUSIC (SSND_FADE_MUSIC | SSND_STOP_MUSIC)
139 #define SSND_ALL (SSND_FADE_ALL | SSND_STOP_ALL)
141 #define SND_RELOAD_SOUNDS 1
142 #define SND_RELOAD_MUSIC 2
144 #define SND_TYPE_NONE 0
145 #define SND_TYPE_WAV 1
147 #define MUS_TYPE_NONE 0
148 #define MUS_TYPE_WAV 1
149 #define MUS_TYPE_MOD 2
151 /* settings for sound path, sound device, etc. */
153 #define SND_PATH "./sounds"
156 #define DEVICENAME_DSP "/dev/dsp"
157 #define DEVICENAME_AUDIO "/dev/audio"
158 #define DEVICENAME_AUDIOCTL "/dev/audioCtl"
161 #if defined(AUDIO_STREAMING_DSP)
162 #define AUDIO_DEVICE DEVICENAME_DSP
164 #define AUDIO_DEVICE DEVICENAME_AUDIO
169 struct SoundHeader_SUN
172 unsigned long hdr_size;
173 unsigned long data_size;
174 unsigned long encoding;
175 unsigned long sample_rate;
176 unsigned long channels;
179 struct SoundHeader_8SVX
182 unsigned long chunk_size;
187 struct AudioFormatInfo
189 boolean stereo; /* availability of stereo sound */
190 int format; /* size and endianess of sample data */
191 int sample_rate; /* sample frequency */
192 int fragment_size; /* audio device fragment size in bytes */
195 struct SoundEffectInfo
198 char *default_filename;
205 char *source_filename;
213 typedef struct SampleInfo SoundInfo;
214 typedef struct SampleInfo MusicInfo;
227 boolean stop_all_sounds;
228 boolean reload_sounds;
229 boolean reload_music;
238 #if defined(PLATFORM_MSDOS)
243 /* general sound functions */
244 void UnixOpenAudio(void);
245 void UnixCloseAudio(void);
247 /* sound server functions */
248 void InitPlaylist(void);
249 void StartSoundserver(void);
250 void SoundServer(void);
252 /* sound client functions */
255 void PlaySoundStereo(int, int);
256 void PlaySoundLoop(int);
257 void PlaySoundMusic(int);
258 void PlaySoundExt(int, int, int, boolean);
259 void FadeMusic(void);
261 void FadeSounds(void);
262 void StopMusic(void);
264 void StopSounds(void);
265 void StopSoundExt(int, int);
266 void InitSoundList(struct SoundEffectInfo *, int);
267 void InitReloadSounds(char *);
268 void InitReloadMusic(char *);
269 void FreeAllSounds(void);
270 void FreeAllMusic(void);