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 #if defined(TARGET_SDL)
59 /* one second fading interval == 1000 ticks (milliseconds) */
60 #define SOUND_FADING_INTERVAL 1000
61 #define SOUND_MAX_VOLUME SDL_MIX_MAXVOLUME
64 #if defined(AUDIO_STREAMING_DSP)
65 #define SOUND_FADING_VOLUME_STEP (PSND_MAX_VOLUME / 40)
66 #define SOUND_FADING_VOLUME_THRESHOLD (SOUND_FADING_VOLUME_STEP * 2)
69 #define DEFAULT_AUDIO_SAMPLE_RATE AUDIO_SAMPLE_RATE_22050
70 #define DEFAULT_AUDIO_FRAGMENT_SIZE_UNIX AUDIO_FRAGMENT_SIZE_512
71 #define DEFAULT_AUDIO_FRAGMENT_SIZE_WIN32 AUDIO_FRAGMENT_SIZE_2048
73 #if defined(PLATFORM_UNIX)
74 #define DEFAULT_AUDIO_FRAGMENT_SIZE DEFAULT_AUDIO_FRAGMENT_SIZE_UNIX
76 #define DEFAULT_AUDIO_FRAGMENT_SIZE DEFAULT_AUDIO_FRAGMENT_SIZE_WIN32
79 #if !defined(PLATFORM_MSDOS)
80 #define MAX_SOUNDS_PLAYING 16
82 #define MAX_SOUNDS_PLAYING 8
85 #if !defined(PLATFORM_HPUX)
86 #define SND_BLOCKSIZE 4096
88 #define SND_BLOCKSIZE 32768
91 /* some values for PlaySound(), StopSound() and friends */
92 #if !defined(PLATFORM_MSDOS)
93 #define PSND_SILENCE 0
94 #define PSND_MAX_VOLUME_BITS 7
95 #define PSND_MIN_VOLUME 0
96 #define PSND_MAX_VOLUME (1 << PSND_MAX_VOLUME_BITS)
97 #define PSND_NO_LOOP 0
100 #define PSND_MAX_STEREO_BITS 7
101 #define PSND_MAX_STEREO (1 << PSND_MAX_STEREO_BITS)
102 #define PSND_MAX_LEFT (-PSND_MAX_STEREO)
103 #define PSND_MAX_RIGHT (+PSND_MAX_STEREO)
104 #define PSND_MAX_LEFT2RIGHT_BITS (PSND_MAX_STEREO_BITS+1)
105 #define PSND_MAX_LEFT2RIGHT (1 << PSND_MAX_LEFT2RIGHT_BITS)
107 #define PSND_SILENCE 0
108 #define PSND_MIN_VOLUME 0
109 #define PSND_MAX_VOLUME 255
110 #define PSND_NO_LOOP 0
112 #define PSND_MAX_LEFT 0
113 #define PSND_MAX_RIGHT 255
114 #define PSND_MIDDLE 128
117 #define SSND_FADE_SOUND (1<<0)
118 #define SSND_FADE_ALL_SOUNDS (1<<1)
119 #define SSND_FADING(x) (x & (SSND_FADE_SOUND | SSND_FADE_ALL_SOUNDS))
120 #define SSND_STOP_SOUND (1<<2)
121 #define SSND_STOP_ALL_SOUNDS (1<<3)
122 #define SSND_STOPPING(x) (x & (SSND_STOP_SOUND | SSND_STOP_ALL_SOUNDS))
123 #define SSND_ALL(x) (x&(SSND_FADE_ALL_SOUNDS|SSND_STOP_ALL_SOUNDS))
125 /* settings for sound path, sound device, etc. */
127 #define SND_PATH "./sounds"
130 #define DEVICENAME_DSP "/dev/dsp"
131 #define DEVICENAME_AUDIO "/dev/audio"
132 #define DEVICENAME_AUDIOCTL "/dev/audioCtl"
135 #if defined(AUDIO_STREAMING_DSP)
136 #define AUDIO_DEVICE DEVICENAME_DSP
138 #define AUDIO_DEVICE DEVICENAME_AUDIO
143 struct SoundHeader_SUN
146 unsigned long hdr_size;
147 unsigned long data_size;
148 unsigned long encoding;
149 unsigned long sample_rate;
150 unsigned long channels;
153 struct SoundHeader_8SVX
156 unsigned long chunk_size;
167 #if defined(PLATFORM_MSDOS)
171 #if defined(TARGET_SDL)
172 Mix_Chunk *mix_chunk;
173 Mix_Music *mix_music;
186 boolean stop_all_sounds;
192 #if defined(PLATFORM_MSDOS)
197 /* general sound functions */
198 void UnixOpenAudio(void);
199 void UnixCloseAudio(void);
201 /* sound server functions */
202 void InitPlaylist(void);
203 void StartSoundserver(void);
204 void SoundServer(void);
206 /* sound client functions */
207 boolean LoadSound(char *);
208 boolean LoadMod(char *);
212 void PlaySoundStereo(int, int);
213 void PlaySoundLoop(int);
214 void PlaySoundExt(int, int, int, boolean);
215 void FadeMusic(void);
217 void FadeSounds(void);
218 void StopMusic(void);
220 void StopSounds(void);
221 void StopSoundExt(int, int);
222 void FreeSounds(int);