OpenAL32/Include/alMain.h

   1 #ifndef AL_MAIN_H
   2 #define AL_MAIN_H
   3
   4 #include <string.h>
   5 #include <stdio.h>
   6 #include <stdarg.h>
   7 #include <assert.h>
   8 #include <math.h>
   9 #include <limits.h>
  10
  11 #ifdef HAVE_STRINGS_H
  12 #include <strings.h>
  13 #endif
  14
  15 #ifdef HAVE_FENV_H
  16 #include <fenv.h>
  17 #endif
  18
  19 #include "AL/al.h"
  20 #include "AL/alc.h"
  21 #include "AL/alext.h"
  22
  23
  24 #if defined(_WIN64)
  25 #define SZFMT "%I64u"
  26 #elif defined(_WIN32)
  27 #define SZFMT "%u"
  28 #else
  29 #define SZFMT "%zu"
  30 #endif
  31
  32
  33 #include "static_assert.h"
  34 #include "align.h"
  35 #include "atomic.h"
  36 #include "uintmap.h"
  37 #include "vector.h"
  38 #include "alstring.h"
  39
  40 #ifndef ALC_SOFT_HRTF
  41 #define ALC_SOFT_HRTF 1
  42 #define ALC_HRTF_SOFT                            0x1992
  43 #endif
  44
  45 #ifndef ALC_SOFT_midi_interface
  46 #define ALC_SOFT_midi_interface 1
  47 #define AL_MIDI_CLOCK_SOFT                       0x9999
  48 #define AL_MIDI_STATE_SOFT                       0x9986
  49 #define AL_MIDI_GAIN_SOFT                        0x9998
  50 #define AL_MIDI_PRESET_SOFT                      0x9997
  51 #define AL_MIDI_BANK_SOFT                        0x9996
  52 #define AL_SOUNDFONTS_SIZE_SOFT                  0x9995
  53 #define AL_SOUNDFONTS_SOFT                       0x9994
  54 #define AL_PRESETS_SIZE_SOFT                     0x9993
  55 #define AL_PRESETS_SOFT                          0x9992
  56 #define AL_FONTSOUNDS_SIZE_SOFT                  0x9991
  57 #define AL_FONTSOUNDS_SOFT                       0x9990
  58
  59 #define AL_SOURCE0_INPUT_SOFT                    0x998F
  60 #define AL_SOURCE0_TYPE_SOFT                     0x998E
  61 #define AL_SOURCE0_FORM_SOFT                     0x998D
  62 #define AL_SOURCE1_INPUT_SOFT                    0x998C
  63 #define AL_SOURCE1_TYPE_SOFT                     0x998B
  64 #define AL_SOURCE1_FORM_SOFT                     0x998A
  65 #define AL_AMOUNT_SOFT                           0x9989
  66 #define AL_TRANSFORM_OP_SOFT                     0x9988
  67 #define AL_DESTINATION_SOFT                      0x9987
  68
  69 /* Sounce Input */
  70 #define AL_ONE_SOFT                              0x0080
  71 #define AL_NOTEON_VELOCITY_SOFT                  0x0082
  72 #define AL_NOTEON_KEY_SOFT                       0x0083
  73 /* AL_KEYPRESSURE_SOFT */
  74 /* AL_CHANNELPRESSURE_SOFT */
  75 /* AL_PITCHBEND_SOFT */
  76 #define AL_PITCHBEND_SENSITIVITY_SOFT            0x0090
  77 /* CC 0...127 */
  78
  79 /* Source Type */
  80 #define AL_UNORM_SOFT                            0x0000
  81 #define AL_UNORM_REV_SOFT                        0x0100
  82 #define AL_SNORM_SOFT                            0x0200
  83 #define AL_SNORM_REV_SOFT                        0x0300
  84
  85 /* Source Form */
  86 #define AL_LINEAR_SOFT                           0x0000
  87 #define AL_CONCAVE_SOFT                          0x0400
  88 #define AL_CONVEX_SOFT                           0x0800
  89 #define AL_SWITCH_SOFT                           0x0C00
  90
  91 /* Transform op */
  92 /* AL_LINEAR_SOFT */
  93 #define AL_ABSOLUTE_SOFT                         0x0002
  94
  95 #define AL_SAMPLE_START_SOFT                     0x2000
  96 #define AL_SAMPLE_END_SOFT                       0x2001
  97 #define AL_SAMPLE_LOOP_START_SOFT                0x2002
  98 #define AL_SAMPLE_LOOP_END_SOFT                  0x2003
  99 #define AL_SAMPLE_RATE_SOFT                      0x2004
 100 #define AL_BASE_KEY_SOFT                         0x2005
 101 #define AL_KEY_CORRECTION_SOFT                   0x2006
 102 #define AL_SAMPLE_TYPE_SOFT                      0x2007
 103 #define AL_FONTSOUND_LINK_SOFT                   0x2008
 104 #define AL_MOD_LFO_TO_PITCH_SOFT                 0x0005
 105 #define AL_VIBRATO_LFO_TO_PITCH_SOFT             0x0006
 106 #define AL_MOD_ENV_TO_PITCH_SOFT                 0x0007
 107 #define AL_FILTER_CUTOFF_SOFT                    0x0008
 108 #define AL_FILTER_RESONANCE_SOFT                 0x0009
 109 #define AL_MOD_LFO_TO_FILTER_CUTOFF_SOFT         0x000A
 110 #define AL_MOD_ENV_TO_FILTER_CUTOFF_SOFT         0x000B
 111 #define AL_MOD_LFO_TO_VOLUME_SOFT                0x000D
 112 #define AL_CHORUS_SEND_SOFT                      0x000F
 113 #define AL_REVERB_SEND_SOFT                      0x0010
 114 #define AL_PAN_SOFT                              0x0011
 115 #define AL_MOD_LFO_DELAY_SOFT                    0x0015
 116 #define AL_MOD_LFO_FREQUENCY_SOFT                0x0016
 117 #define AL_VIBRATO_LFO_DELAY_SOFT                0x0017
 118 #define AL_VIBRATO_LFO_FREQUENCY_SOFT            0x0018
 119 #define AL_MOD_ENV_DELAYTIME_SOFT                0x0019
 120 #define AL_MOD_ENV_ATTACKTIME_SOFT               0x001A
 121 #define AL_MOD_ENV_HOLDTIME_SOFT                 0x001B
 122 #define AL_MOD_ENV_DECAYTIME_SOFT                0x001C
 123 #define AL_MOD_ENV_SUSTAINVOLUME_SOFT            0x001D
 124 #define AL_MOD_ENV_RELEASETIME_SOFT              0x002E
 125 #define AL_MOD_ENV_KEY_TO_HOLDTIME_SOFT          0x001F
 126 #define AL_MOD_ENV_KEY_TO_DECAYTIME_SOFT         0x0020
 127 #define AL_VOLUME_ENV_DELAYTIME_SOFT             0x0021
 128 #define AL_VOLUME_ENV_ATTACKTIME_SOFT            0x0022
 129 #define AL_VOLUME_ENV_HOLDTIME_SOFT              0x0023
 130 #define AL_VOLUME_ENV_DECAYTIME_SOFT             0x0024
 131 #define AL_VOLUME_ENV_SUSTAINVOLUME_SOFT         0x0025
 132 #define AL_VOLUME_ENV_RELEASETIME_SOFT           0x0026
 133 #define AL_VOLUME_ENV_KEY_TO_HOLDTIME_SOFT       0x0027
 134 #define AL_VOLUME_ENV_KEY_TO_DECAYTIME_SOFT      0x0028
 135 #define AL_KEY_RANGE_SOFT                        0x002B
 136 #define AL_VELOCITY_RANGE_SOFT                   0x002C
 137 #define AL_ATTENUATION_SOFT                      0x0030
 138 #define AL_TUNING_COARSE_SOFT                    0x0033
 139 #define AL_TUNING_FINE_SOFT                      0x0034
 140 #define AL_LOOP_MODE_SOFT                        0x0036
 141 #define AL_TUNING_SCALE_SOFT                     0x0038
 142 #define AL_EXCLUSIVE_CLASS_SOFT                  0x0039
 143 #define AL_LOOP_CONTINUOUS_SOFT                  0x0001
 144 #define AL_LOOP_UNTIL_RELEASE_SOFT               0x0003
 145 #define AL_RIGHT_SOFT                            0x0002
 146 #define AL_LEFT_SOFT                             0x0004
 147 #define AL_NOTEOFF_SOFT                          0x0080
 148 #define AL_NOTEON_SOFT                           0x0090
 149 #define AL_KEYPRESSURE_SOFT                      0x00A0
 150 #define AL_CONTROLLERCHANGE_SOFT                 0x00B0
 151 #define AL_PROGRAMCHANGE_SOFT                    0x00C0
 152 #define AL_CHANNELPRESSURE_SOFT                  0x00D0
 153 #define AL_PITCHBEND_SOFT                        0x00E0
 154 typedef void (AL_APIENTRY*LPALGENSOUNDFONTSSOFT)(ALsizei n, ALuint *ids);
 155 typedef void (AL_APIENTRY*LPALDELETESOUNDFONTSSOFT)(ALsizei n, const ALuint *ids);
 156 typedef ALboolean (AL_APIENTRY*LPALISSOUNDFONTSOFT)(ALuint id);
 157 typedef void (AL_APIENTRY*LPALGETSOUNDFONTIVSOFT)(ALuint id, ALenum param, ALint *values);
 158 typedef void (AL_APIENTRY*LPALSOUNDFONTPRESETSSOFT)(ALuint id, ALsizei count, const ALuint *pids);
 159 typedef void (AL_APIENTRY*LPALGENPRESETSSOFT)(ALsizei n, ALuint *ids);
 160 typedef void (AL_APIENTRY*LPALDELETEPRESETSSOFT)(ALsizei n, const ALuint *ids);
 161 typedef ALboolean (AL_APIENTRY*LPALISPRESETSOFT)(ALuint id);
 162 typedef void (AL_APIENTRY*LPALPRESETISOFT)(ALuint id, ALenum param, ALint value);
 163 typedef void (AL_APIENTRY*LPALPRESETIVSOFT)(ALuint id, ALenum param, const ALint *values);
 164 typedef void (AL_APIENTRY*LPALPRESETFONTSOUNDSSOFT)(ALuint id, ALsizei count, const ALuint *fsids);
 165 typedef void (AL_APIENTRY*LPALGETPRESETIVSOFT)(ALuint id, ALenum param, ALint *values);
 166 typedef void (AL_APIENTRY*LPALGENFONTSOUNDSSOFT)(ALsizei n, ALuint *ids);
 167 typedef void (AL_APIENTRY*LPALDELETEFONTSOUNDSSOFT)(ALsizei n, const ALuint *ids);
 168 typedef ALboolean (AL_APIENTRY*LPALISFONTSOUNDSOFT)(ALuint id);
 169 typedef void (AL_APIENTRY*LPALFONTSOUNDISOFT)(ALuint id, ALenum param, ALint value);
 170 typedef void (AL_APIENTRY*LPALFONTSOUND2ISOFT)(ALuint id, ALenum param, ALint value1, ALint value2);
 171 typedef void (AL_APIENTRY*LPALFONTSOUNDIVSOFT)(ALuint id, ALenum param, const ALint *values);
 172 typedef void (AL_APIENTRY*LPALGETFONTSOUNDIVSOFT)(ALuint id, ALenum param, ALint *values);
 173 typedef void (AL_APIENTRY*LPALFONTSOUNDMOFULATORISOFT)(ALuint id, ALsizei stage, ALenum param, ALint value);
 174 typedef void (AL_APIENTRY*LPALGETFONTSOUNDMODULATORIVSOFT)(ALuint id, ALsizei stage, ALenum param, ALint *values);
 175 typedef void (AL_APIENTRY*LPALMIDISOUNDFONTSOFT)(ALuint id);
 176 typedef void (AL_APIENTRY*LPALMIDISOUNDFONTVSOFT)(ALsizei count, const ALuint *ids);
 177 typedef void (AL_APIENTRY*LPALMIDIEVENTSOFT)(ALuint64SOFT time, ALenum event, ALsizei channel, ALsizei param1, ALsizei param2);
 178 typedef void (AL_APIENTRY*LPALMIDISYSEXSOFT)(ALuint64SOFT time, const ALbyte *data, ALsizei size);
 179 typedef void (AL_APIENTRY*LPALMIDIPLAYSOFT)(void);
 180 typedef void (AL_APIENTRY*LPALMIDIPAUSESOFT)(void);
 181 typedef void (AL_APIENTRY*LPALMIDISTOPSOFT)(void);
 182 typedef void (AL_APIENTRY*LPALMIDIRESETSOFT)(void);
 183 typedef void (AL_APIENTRY*LPALMIDIGAINSOFT)(ALfloat value);
 184 typedef ALint64SOFT (AL_APIENTRY*LPALGETINTEGER64SOFT)(ALenum pname);
 185 typedef void (AL_APIENTRY*LPALGETINTEGER64VSOFT)(ALenum pname, ALint64SOFT *values);
 186 typedef void (AL_APIENTRY*LPALLOADSOUNDFONTSOFT)(ALuint id, size_t(*cb)(ALvoid*,size_t,ALvoid*), ALvoid *user);
 187 #ifdef AL_ALEXT_PROTOTYPES
 188 AL_API void AL_APIENTRY alGenSoundfontsSOFT(ALsizei n, ALuint *ids);
 189 AL_API void AL_APIENTRY alDeleteSoundfontsSOFT(ALsizei n, const ALuint *ids);
 190 AL_API ALboolean AL_APIENTRY alIsSoundfontSOFT(ALuint id);
 191 AL_API void AL_APIENTRY alGetSoundfontivSOFT(ALuint id, ALenum param, ALint *values);
 192 AL_API void AL_APIENTRY alSoundfontPresetsSOFT(ALuint id, ALsizei count, const ALuint *pids);
 193
 194 AL_API void AL_APIENTRY alGenPresetsSOFT(ALsizei n, ALuint *ids);
 195 AL_API void AL_APIENTRY alDeletePresetsSOFT(ALsizei n, const ALuint *ids);
 196 AL_API ALboolean AL_APIENTRY alIsPresetSOFT(ALuint id);
 197 AL_API void AL_APIENTRY alPresetiSOFT(ALuint id, ALenum param, ALint value);
 198 AL_API void AL_APIENTRY alPresetivSOFT(ALuint id, ALenum param, const ALint *values);
 199 AL_API void AL_APIENTRY alGetPresetivSOFT(ALuint id, ALenum param, ALint *values);
 200 AL_API void AL_APIENTRY alPresetFontsoundsSOFT(ALuint id, ALsizei count, const ALuint *fsids);
 201
 202 AL_API void AL_APIENTRY alGenFontsoundsSOFT(ALsizei n, ALuint *ids);
 203 AL_API void AL_APIENTRY alDeleteFontsoundsSOFT(ALsizei n, const ALuint *ids);
 204 AL_API ALboolean AL_APIENTRY alIsFontsoundSOFT(ALuint id);
 205 AL_API void AL_APIENTRY alFontsoundiSOFT(ALuint id, ALenum param, ALint value);
 206 AL_API void AL_APIENTRY alFontsound2iSOFT(ALuint id, ALenum param, ALint value1, ALint value2);
 207 AL_API void AL_APIENTRY alFontsoundivSOFT(ALuint id, ALenum param, const ALint *values);
 208 AL_API void AL_APIENTRY alGetFontsoundivSOFT(ALuint id, ALenum param, ALint *values);
 209 AL_API void AL_APIENTRY alFontsoundModulatoriSOFT(ALuint id, ALsizei stage, ALenum param, ALint value);
 210 AL_API void AL_APIENTRY alGetFontsoundModulatorivSOFT(ALuint id, ALsizei stage, ALenum param, ALint *values);
 211
 212 AL_API void AL_APIENTRY alMidiSoundfontSOFT(ALuint id);
 213 AL_API void AL_APIENTRY alMidiSoundfontvSOFT(ALsizei count, const ALuint *ids);
 214 AL_API void AL_APIENTRY alMidiEventSOFT(ALuint64SOFT time, ALenum event, ALsizei channel, ALsizei param1, ALsizei param2);
 215 AL_API void AL_APIENTRY alMidiSysExSOFT(ALuint64SOFT time, const ALbyte *data, ALsizei size);
 216 AL_API void AL_APIENTRY alMidiPlaySOFT(void);
 217 AL_API void AL_APIENTRY alMidiPauseSOFT(void);
 218 AL_API void AL_APIENTRY alMidiStopSOFT(void);
 219 AL_API void AL_APIENTRY alMidiResetSOFT(void);
 220 AL_API void AL_APIENTRY alMidiGainSOFT(ALfloat value);
 221 AL_API ALint64SOFT AL_APIENTRY alGetInteger64SOFT(ALenum pname);
 222 AL_API void AL_APIENTRY alGetInteger64vSOFT(ALenum pname, ALint64SOFT *values);
 223 AL_API void AL_APIENTRY alLoadSoundfontSOFT(ALuint id, size_t(*cb)(ALvoid*,size_t,ALvoid*), ALvoid *user);
 224 #endif
 225 #endif
 226
 227 #ifndef ALC_SOFT_pause_device
 228 #define ALC_SOFT_pause_device 1
 229 typedef void (ALC_APIENTRY*LPALCDEVICEPAUSESOFT)(ALCdevice *device);
 230 typedef void (ALC_APIENTRY*LPALCDEVICERESUMESOFT)(ALCdevice *device);
 231 #ifdef AL_ALEXT_PROTOTYPES
 232 ALC_API void ALC_APIENTRY alcDevicePauseSOFT(ALCdevice *device);
 233 ALC_API void ALC_APIENTRY alcDeviceResumeSOFT(ALCdevice *device);
 234 #endif
 235 #endif
 236
 237 #ifndef ALC_SOFT_device_clock
 238 #define ALC_SOFT_device_clock 1
 239 typedef int64_t ALCint64SOFT;
 240 typedef uint64_t ALCuint64SOFT;
 241 #define ALC_DEVICE_CLOCK_SOFT                    0x1600
 242 typedef void (ALC_APIENTRY*LPALCGETINTEGER64VSOFT)(ALCdevice *device, ALCenum pname, ALsizei size, ALCint64SOFT *values);
 243 #ifdef AL_ALEXT_PROTOTYPES
 244 ALC_API void ALC_APIENTRY alcGetInteger64vSOFT(ALCdevice *device, ALCenum pname, ALsizei size, ALCint64SOFT *values);
 245 #endif
 246 #endif
 247
 248
 249 #ifdef IN_IDE_PARSER
 250 /* KDevelop's parser doesn't recognize the C99-standard restrict keyword, but
 251  * recent versions (at least 4.5.1) do recognize GCC's __restrict. */
 252 #define restrict __restrict
 253 #endif
 254
 255
 256 typedef ALint64SOFT ALint64;
 257 typedef ALuint64SOFT ALuint64;
 258
 259 typedef ptrdiff_t ALintptrEXT;
 260 typedef ptrdiff_t ALsizeiptrEXT;
 261
 262 #ifndef U64
 263 #if defined(_MSC_VER)
 264 #define U64(x) ((ALuint64)(x##ui64))
 265 #elif SIZEOF_LONG == 8
 266 #define U64(x) ((ALuint64)(x##ul))
 267 #elif SIZEOF_LONG_LONG == 8
 268 #define U64(x) ((ALuint64)(x##ull))
 269 #endif
 270 #endif
 271
 272 #ifndef UINT64_MAX
 273 #define UINT64_MAX U64(18446744073709551615)
 274 #endif
 275
 276 #ifndef UNUSED
 277 #if defined(__cplusplus)
 278 #define UNUSED(x)
 279 #elif defined(__GNUC__)
 280 #define UNUSED(x) UNUSED_##x __attribute__((unused))
 281 #elif defined(__LCLINT__)
 282 #define UNUSED(x) /*@unused@*/ x
 283 #else
 284 #define UNUSED(x) x
 285 #endif
 286 #endif
 287
 288 #ifdef __GNUC__
 289 #define DECL_CONST __attribute__((const))
 290 #define DECL_FORMAT(x, y, z) __attribute__((format(x, (y), (z))))
 291 #else
 292 #define DECL_CONST
 293 #define DECL_FORMAT(x, y, z)
 294 #endif
 295
 296 #if defined(__GNUC__) && defined(__i386__)
 297 /* force_align_arg_pointer is required for proper function arguments aligning
 298  * when SSE code is used. Some systems (Windows, QNX) do not guarantee our
 299  * thread functions will be properly aligned on the stack, even though GCC may
 300  * generate code with the assumption that it is. */
 301 #define FORCE_ALIGN __attribute__((force_align_arg_pointer))
 302 #else
 303 #define FORCE_ALIGN
 304 #endif
 305
 306 #ifdef HAVE_C99_VLA
 307 #define DECL_VLA(T, _name, _size)  T _name[(_size)]
 308 #else
 309 #define DECL_VLA(T, _name, _size)  T *_name = alloca((_size) * sizeof(T))
 310 #endif
 311
 312 #ifndef PATH_MAX
 313 #ifdef MAX_PATH
 314 #define PATH_MAX MAX_PATH
 315 #else
 316 #define PATH_MAX 4096
 317 #endif
 318 #endif
 319
 320
 321 static const union {
 322     ALuint u;
 323     ALubyte b[sizeof(ALuint)];
 324 } EndianTest = { 1 };
 325 #define IS_LITTLE_ENDIAN (EndianTest.b[0] == 1)
 326
 327 #define COUNTOF(x) (sizeof((x))/sizeof((x)[0]))
 328
 329
 330 #define DERIVE_FROM_TYPE(t)          t t##_parent
 331 #define STATIC_CAST(to, obj)         (&(obj)->to##_parent)
 332 #ifdef __GNUC__
 333 #define STATIC_UPCAST(to, from, obj) __extension__({                          \
 334     static_assert(__builtin_types_compatible_p(from, __typeof(*(obj))),       \
 335                   "Invalid upcast object from type");                         \
 336     (to*)((char*)(obj) - offsetof(to, from##_parent));                        \
 337 })
 338 #else
 339 #define STATIC_UPCAST(to, from, obj) ((to*)((char*)(obj) - offsetof(to, from##_parent)))
 340 #endif
 341
 342 #define DECLARE_FORWARD(T1, T2, rettype, func)                                \
 343 rettype T1##_##func(T1 *obj)                                                  \
 344 { return T2##_##func(STATIC_CAST(T2, obj)); }
 345
 346 #define DECLARE_FORWARD1(T1, T2, rettype, func, argtype1)                     \
 347 rettype T1##_##func(T1 *obj, argtype1 a)                                      \
 348 { return T2##_##func(STATIC_CAST(T2, obj), a); }
 349
 350 #define DECLARE_FORWARD2(T1, T2, rettype, func, argtype1, argtype2)           \
 351 rettype T1##_##func(T1 *obj, argtype1 a, argtype2 b)                          \
 352 { return T2##_##func(STATIC_CAST(T2, obj), a, b); }
 353
 354 #define DECLARE_FORWARD3(T1, T2, rettype, func, argtype1, argtype2, argtype3) \
 355 rettype T1##_##func(T1 *obj, argtype1 a, argtype2 b, argtype3 c)              \
 356 { return T2##_##func(STATIC_CAST(T2, obj), a, b, c); }
 357
 358
 359 #define GET_VTABLE1(T1)     (&(T1##_vtable))
 360 #define GET_VTABLE2(T1, T2) (&(T1##_##T2##_vtable))
 361
 362 #define SET_VTABLE1(T1, obj)     ((obj)->vtbl = GET_VTABLE1(T1))
 363 #define SET_VTABLE2(T1, T2, obj) (STATIC_CAST(T2, obj)->vtbl = GET_VTABLE2(T1, T2))
 364
 365 #define DECLARE_THUNK(T1, T2, rettype, func)                                  \
 366 static rettype T1##_##T2##_##func(T2 *obj)                                    \
 367 { return T1##_##func(STATIC_UPCAST(T1, T2, obj)); }
 368
 369 #define DECLARE_THUNK1(T1, T2, rettype, func, argtype1)                       \
 370 static rettype T1##_##T2##_##func(T2 *obj, argtype1 a)                        \
 371 { return T1##_##func(STATIC_UPCAST(T1, T2, obj), a); }
 372
 373 #define DECLARE_THUNK2(T1, T2, rettype, func, argtype1, argtype2)             \
 374 static rettype T1##_##T2##_##func(T2 *obj, argtype1 a, argtype2 b)            \
 375 { return T1##_##func(STATIC_UPCAST(T1, T2, obj), a, b); }
 376
 377 #define DECLARE_THUNK3(T1, T2, rettype, func, argtype1, argtype2, argtype3)   \
 378 static rettype T1##_##T2##_##func(T2 *obj, argtype1 a, argtype2 b, argtype3 c) \
 379 { return T1##_##func(STATIC_UPCAST(T1, T2, obj), a, b, c); }
 380
 381 #define DECLARE_DEFAULT_ALLOCATORS(T)                                         \
 382 static void* T##_New(size_t size) { return malloc(size); }                    \
 383 static void T##_Delete(void *ptr) { free(ptr); }
 384
 385 /* Helper to extract an argument list for VCALL. Not used directly. */
 386 #define EXTRACT_VCALL_ARGS(...)  __VA_ARGS__))
 387
 388 /* Call a "virtual" method on an object, with arguments. */
 389 #define V(obj, func)  ((obj)->vtbl->func((obj), EXTRACT_VCALL_ARGS
 390 /* Call a "virtual" method on an object, with no arguments. */
 391 #define V0(obj, func) ((obj)->vtbl->func((obj) EXTRACT_VCALL_ARGS
 392
 393 #define DELETE_OBJ(obj) do {                                                  \
 394     if((obj) != NULL)                                                         \
 395     {                                                                         \
 396         V0((obj),Destruct)();                                                 \
 397         V0((obj),Delete)();                                                   \
 398     }                                                                         \
 399 } while(0)
 400
 401
 402 #ifdef __cplusplus
 403 extern "C" {
 404 #endif
 405
 406 struct Hrtf;
 407
 408
 409 #define DEFAULT_OUTPUT_RATE  (44100)
 410 #define MIN_OUTPUT_RATE      (8000)
 411
 412
 413 /* Find the next power-of-2 for non-power-of-2 numbers. */
 414 inline ALuint NextPowerOf2(ALuint value)
 415 {
 416     if(value > 0)
 417     {
 418         value--;
 419         value |= value>>1;
 420         value |= value>>2;
 421         value |= value>>4;
 422         value |= value>>8;
 423         value |= value>>16;
 424     }
 425     return value+1;
 426 }
 427
 428 /* Fast float-to-int conversion. Assumes the FPU is already in round-to-zero
 429  * mode. */
 430 inline ALint fastf2i(ALfloat f)
 431 {
 432 #ifdef HAVE_LRINTF
 433     return lrintf(f);
 434 #elif defined(_MSC_VER) && defined(_M_IX86)
 435     ALint i;
 436     __asm fld f
 437     __asm fistp i
 438     return i;
 439 #else
 440     return (ALint)f;
 441 #endif
 442 }
 443
 444 /* Fast float-to-uint conversion. Assumes the FPU is already in round-to-zero
 445  * mode. */
 446 inline ALuint fastf2u(ALfloat f)
 447 { return fastf2i(f); }
 448
 449
 450 enum DevProbe {
 451     ALL_DEVICE_PROBE,
 452     CAPTURE_DEVICE_PROBE
 453 };
 454
 455 typedef struct {
 456     ALCenum (*OpenPlayback)(ALCdevice*, const ALCchar*);
 457     void (*ClosePlayback)(ALCdevice*);
 458     ALCboolean (*ResetPlayback)(ALCdevice*);
 459     ALCboolean (*StartPlayback)(ALCdevice*);
 460     void (*StopPlayback)(ALCdevice*);
 461
 462     ALCenum (*OpenCapture)(ALCdevice*, const ALCchar*);
 463     void (*CloseCapture)(ALCdevice*);
 464     void (*StartCapture)(ALCdevice*);
 465     void (*StopCapture)(ALCdevice*);
 466     ALCenum (*CaptureSamples)(ALCdevice*, void*, ALCuint);
 467     ALCuint (*AvailableSamples)(ALCdevice*);
 468
 469     ALint64 (*GetLatency)(ALCdevice*);
 470 } BackendFuncs;
 471
 472 ALCboolean alc_solaris_init(BackendFuncs *func_list);
 473 void alc_solaris_deinit(void);
 474 void alc_solaris_probe(enum DevProbe type);
 475 ALCboolean alc_sndio_init(BackendFuncs *func_list);
 476 void alc_sndio_deinit(void);
 477 void alc_sndio_probe(enum DevProbe type);
 478 ALCboolean alcWinMMInit(BackendFuncs *FuncList);
 479 void alcWinMMDeinit(void);
 480 void alcWinMMProbe(enum DevProbe type);
 481 ALCboolean alc_pa_init(BackendFuncs *func_list);
 482 void alc_pa_deinit(void);
 483 void alc_pa_probe(enum DevProbe type);
 484 ALCboolean alc_wave_init(BackendFuncs *func_list);
 485 void alc_wave_deinit(void);
 486 void alc_wave_probe(enum DevProbe type);
 487 ALCboolean alc_ca_init(BackendFuncs *func_list);
 488 void alc_ca_deinit(void);
 489 void alc_ca_probe(enum DevProbe type);
 490 ALCboolean alc_opensl_init(BackendFuncs *func_list);
 491 void alc_opensl_deinit(void);
 492 void alc_opensl_probe(enum DevProbe type);
 493 ALCboolean alc_qsa_init(BackendFuncs *func_list);
 494 void alc_qsa_deinit(void);
 495 void alc_qsa_probe(enum DevProbe type);
 496
 497 struct ALCbackend;
 498
 499
 500 enum DistanceModel {
 501     InverseDistanceClamped  = AL_INVERSE_DISTANCE_CLAMPED,
 502     LinearDistanceClamped   = AL_LINEAR_DISTANCE_CLAMPED,
 503     ExponentDistanceClamped = AL_EXPONENT_DISTANCE_CLAMPED,
 504     InverseDistance  = AL_INVERSE_DISTANCE,
 505     LinearDistance   = AL_LINEAR_DISTANCE,
 506     ExponentDistance = AL_EXPONENT_DISTANCE,
 507     DisableDistance  = AL_NONE,
 508
 509     DefaultDistanceModel = InverseDistanceClamped
 510 };
 511
 512 enum Resampler {
 513     PointResampler,
 514     LinearResampler,
 515     CubicResampler,
 516
 517     ResamplerMax,
 518 };
 519
 520 enum Channel {
 521     FrontLeft = 0,
 522     FrontRight,
 523     FrontCenter,
 524     LFE,
 525     BackLeft,
 526     BackRight,
 527     BackCenter,
 528     SideLeft,
 529     SideRight,
 530
 531     MaxChannels,
 532 };
 533
 534
 535 /* Device formats */
 536 enum DevFmtType {
 537     DevFmtByte   = ALC_BYTE_SOFT,
 538     DevFmtUByte  = ALC_UNSIGNED_BYTE_SOFT,
 539     DevFmtShort  = ALC_SHORT_SOFT,
 540     DevFmtUShort = ALC_UNSIGNED_SHORT_SOFT,
 541     DevFmtInt    = ALC_INT_SOFT,
 542     DevFmtUInt   = ALC_UNSIGNED_INT_SOFT,
 543     DevFmtFloat  = ALC_FLOAT_SOFT,
 544
 545     DevFmtTypeDefault = DevFmtFloat
 546 };
 547 enum DevFmtChannels {
 548     DevFmtMono   = ALC_MONO_SOFT,
 549     DevFmtStereo = ALC_STEREO_SOFT,
 550     DevFmtQuad   = ALC_QUAD_SOFT,
 551     DevFmtX51    = ALC_5POINT1_SOFT,
 552     DevFmtX61    = ALC_6POINT1_SOFT,
 553     DevFmtX71    = ALC_7POINT1_SOFT,
 554
 555     /* Similar to 5.1, except using the side channels instead of back */
 556     DevFmtX51Side = 0x80000000,
 557
 558     DevFmtChannelsDefault = DevFmtStereo
 559 };
 560
 561 ALuint BytesFromDevFmt(enum DevFmtType type) DECL_CONST;
 562 ALuint ChannelsFromDevFmt(enum DevFmtChannels chans) DECL_CONST;
 563 inline ALuint FrameSizeFromDevFmt(enum DevFmtChannels chans, enum DevFmtType type)
 564 {
 565     return ChannelsFromDevFmt(chans) * BytesFromDevFmt(type);
 566 }
 567
 568
 569 extern const struct EffectList {
 570     const char *name;
 571     int type;
 572     const char *ename;
 573     ALenum val;
 574 } EffectList[];
 575
 576
 577 enum DeviceType {
 578     Playback,
 579     Capture,
 580     Loopback
 581 };
 582
 583
 584 /* Size for temporary storage of buffer data, in ALfloats. Larger values need
 585  * more memory, while smaller values may need more iterations. The value needs
 586  * to be a sensible size, however, as it constrains the max stepping value used
 587  * for mixing, as well as the maximum number of samples per mixing iteration.
 588  */
 589 #define BUFFERSIZE (2048u)
 590
 591
 592 struct ALCdevice_struct
 593 {
 594     RefCount ref;
 595
 596     ALCboolean Connected;
 597     enum DeviceType Type;
 598
 599     ALuint       Frequency;
 600     ALuint       UpdateSize;
 601     ALuint       NumUpdates;
 602     enum DevFmtChannels FmtChans;
 603     enum DevFmtType     FmtType;
 604
 605     al_string DeviceName;
 606
 607     volatile ALCenum LastError;
 608
 609     // Maximum number of sources that can be created
 610     ALuint       MaxNoOfSources;
 611     // Maximum number of slots that can be created
 612     ALuint       AuxiliaryEffectSlotMax;
 613
 614     ALCuint      NumMonoSources;
 615     ALCuint      NumStereoSources;
 616     ALuint       NumAuxSends;
 617
 618     // Map of Buffers for this device
 619     UIntMap BufferMap;
 620
 621     // Map of Effects for this device
 622     UIntMap EffectMap;
 623
 624     // Map of Filters for this device
 625     UIntMap FilterMap;
 626
 627     // Map of Soundfonts for this device
 628     UIntMap SfontMap;
 629
 630     // Map of Presets for this device
 631     UIntMap PresetMap;
 632
 633     // Map of Fontsounds for this device
 634     UIntMap FontsoundMap;
 635
 636     /* Default soundfont (accessible as ID 0) */
 637     struct ALsoundfont *DefaultSfont;
 638
 639     /* MIDI synth engine */
 640     struct MidiSynth *Synth;
 641
 642     /* HRTF filter tables */
 643     const struct Hrtf *Hrtf;
 644
 645     // Stereo-to-binaural filter
 646     struct bs2b *Bs2b;
 647     ALCint       Bs2bLevel;
 648
 649     // Device flags
 650     ALuint       Flags;
 651
 652     ALuint ChannelOffsets[MaxChannels];
 653
 654     enum Channel Speaker2Chan[MaxChannels];
 655     ALfloat SpeakerAngle[MaxChannels];
 656     ALuint  NumChan;
 657
 658     ALuint64 ClockBase;
 659     ALuint SamplesDone;
 660
 661     /* Temp storage used for each source when mixing. */
 662     alignas(16) ALfloat SourceData[BUFFERSIZE];
 663     alignas(16) ALfloat ResampledData[BUFFERSIZE];
 664     alignas(16) ALfloat FilteredData[BUFFERSIZE];
 665
 666     // Dry path buffer mix
 667     alignas(16) ALfloat DryBuffer[MaxChannels][BUFFERSIZE];
 668
 669     /* Running count of the mixer invocations, in 31.1 fixed point. This
 670      * actually increments *twice* when mixing, first at the start and then at
 671      * the end, so the bottom bit indicates if the device is currently mixing
 672      * and the upper bits indicates how many mixes have been done.
 673      */
 674     RefCount MixCount;
 675
 676     /* Default effect slot */
 677     struct ALeffectslot *DefaultSlot;
 678
 679     // Contexts created on this device
 680     ALCcontext *volatile ContextList;
 681
 682     struct ALCbackend *Backend;
 683
 684     void         *ExtraData; // For the backend's use
 685
 686     ALCdevice *volatile next;
 687
 688     /* Memory space used by the default slot (Playback devices only) */
 689     alignas(16) ALCbyte _slot_mem[];
 690 };
 691
 692 // Frequency was requested by the app or config file
 693 #define DEVICE_FREQUENCY_REQUEST                 (1<<1)
 694 // Channel configuration was requested by the config file
 695 #define DEVICE_CHANNELS_REQUEST                  (1<<2)
 696 // Sample type was requested by the config file
 697 #define DEVICE_SAMPLE_TYPE_REQUEST               (1<<3)
 698 // HRTF was requested by the app
 699 #define DEVICE_HRTF_REQUEST                      (1<<4)
 700
 701 // Stereo sources cover 120-degree angles around +/-90
 702 #define DEVICE_WIDE_STEREO                       (1<<16)
 703
 704 // Specifies if the DSP is paused at user request
 705 #define DEVICE_PAUSED                            (1<<30)
 706
 707 // Specifies if the device is currently running
 708 #define DEVICE_RUNNING                           (1<<31)
 709
 710 /* Invalid channel offset */
 711 #define INVALID_OFFSET                           (~0u)
 712
 713
 714 /* Nanosecond resolution for the device clock time. */
 715 #define DEVICE_CLOCK_RES  U64(1000000000)
 716
 717
 718 /* Must be less than 15 characters (16 including terminating null) for
 719  * compatibility with pthread_setname_np limitations. */
 720 #define MIXER_THREAD_NAME "alsoft-mixer"
 721
 722
 723 typedef struct ALeffectslot *ALeffectslotPtr;
 724 DECL_VECTOR(ALeffectslotPtr)
 725
 726
 727 struct ALCcontext_struct
 728 {
 729     RefCount ref;
 730
 731     struct ALlistener *Listener;
 732
 733     UIntMap SourceMap;
 734     UIntMap EffectSlotMap;
 735
 736     volatile ALenum LastError;
 737
 738     volatile ALenum UpdateSources;
 739
 740     volatile enum DistanceModel DistanceModel;
 741     volatile ALboolean SourceDistanceModel;
 742
 743     volatile ALfloat DopplerFactor;
 744     volatile ALfloat DopplerVelocity;
 745     volatile ALfloat SpeedOfSound;
 746     volatile ALenum  DeferUpdates;
 747
 748     struct ALactivesource **ActiveSources;
 749     ALsizei ActiveSourceCount;
 750     ALsizei MaxActiveSources;
 751
 752     vector_ALeffectslotPtr ActiveAuxSlots;
 753
 754     ALCdevice  *Device;
 755     const ALCchar *ExtensionList;
 756
 757     ALCcontext *volatile next;
 758
 759     /* Memory space used by the listener */
 760     alignas(16) ALCbyte _listener_mem[];
 761 };
 762
 763 ALCcontext *GetContextRef(void);
 764
 765 void ALCcontext_IncRef(ALCcontext *context);
 766 void ALCcontext_DecRef(ALCcontext *context);
 767
 768 void AppendAllDevicesList(const ALCchar *name);
 769 void AppendCaptureDeviceList(const ALCchar *name);
 770
 771 ALint64 ALCdevice_GetLatencyDefault(ALCdevice *device);
 772
 773 void ALCdevice_Lock(ALCdevice *device);
 774 void ALCdevice_Unlock(ALCdevice *device);
 775 ALint64 ALCdevice_GetLatency(ALCdevice *device);
 776
 777 inline void LockContext(ALCcontext *context)
 778 { ALCdevice_Lock(context->Device); }
 779
 780 inline void UnlockContext(ALCcontext *context)
 781 { ALCdevice_Unlock(context->Device); }
 782
 783
 784 void *al_malloc(size_t alignment, size_t size);
 785 void *al_calloc(size_t alignment, size_t size);
 786 void al_free(void *ptr);
 787
 788
 789 typedef struct {
 790 #ifdef HAVE_FENV_H
 791     DERIVE_FROM_TYPE(fenv_t);
 792 #else
 793     int state;
 794 #endif
 795 #ifdef HAVE_SSE
 796     int sse_state;
 797 #endif
 798 } FPUCtl;
 799 void SetMixerFPUMode(FPUCtl *ctl);
 800 void RestoreFPUMode(const FPUCtl *ctl);
 801
 802
 803 typedef struct RingBuffer RingBuffer;
 804 RingBuffer *CreateRingBuffer(ALsizei frame_size, ALsizei length);
 805 void DestroyRingBuffer(RingBuffer *ring);
 806 ALsizei RingBufferSize(RingBuffer *ring);
 807 void WriteRingBuffer(RingBuffer *ring, const ALubyte *data, ALsizei len);
 808 void ReadRingBuffer(RingBuffer *ring, ALubyte *data, ALsizei len);
 809
 810 void ReadALConfig(void);
 811 void FreeALConfig(void);
 812 int ConfigValueExists(const char *blockName, const char *keyName);
 813 const char *GetConfigValue(const char *blockName, const char *keyName, const char *def);
 814 int GetConfigValueBool(const char *blockName, const char *keyName, int def);
 815 int ConfigValueStr(const char *blockName, const char *keyName, const char **ret);
 816 int ConfigValueInt(const char *blockName, const char *keyName, int *ret);
 817 int ConfigValueUInt(const char *blockName, const char *keyName, unsigned int *ret);
 818 int ConfigValueFloat(const char *blockName, const char *keyName, float *ret);
 819
 820 void SetRTPriority(void);
 821
 822 void SetDefaultChannelOrder(ALCdevice *device);
 823 void SetDefaultWFXChannelOrder(ALCdevice *device);
 824
 825 const ALCchar *DevFmtTypeString(enum DevFmtType type) DECL_CONST;
 826 const ALCchar *DevFmtChannelsString(enum DevFmtChannels chans) DECL_CONST;
 827
 828
 829 extern FILE *LogFile;
 830
 831 #if defined(__GNUC__) && !defined(IN_IDE_PARSER)
 832 #define AL_PRINT(T, MSG, ...) fprintf(LogFile, "AL lib: %s %s: "MSG, T, __FUNCTION__ , ## __VA_ARGS__)
 833 #else
 834 void al_print(const char *type, const char *func, const char *fmt, ...) DECL_FORMAT(printf, 3,4);
 835 #define AL_PRINT(T, ...) al_print((T), __FUNCTION__, __VA_ARGS__)
 836 #endif
 837
 838 enum LogLevel {
 839     NoLog,
 840     LogError,
 841     LogWarning,
 842     LogTrace,
 843     LogRef
 844 };
 845 extern enum LogLevel LogLevel;
 846
 847 #define TRACEREF(...) do {                                                    \
 848     if(LogLevel >= LogRef)                                                    \
 849         AL_PRINT("(--)", __VA_ARGS__);                                        \
 850 } while(0)
 851
 852 #define TRACE(...) do {                                                       \
 853     if(LogLevel >= LogTrace)                                                  \
 854         AL_PRINT("(II)", __VA_ARGS__);                                        \
 855 } while(0)
 856
 857 #define WARN(...) do {                                                        \
 858     if(LogLevel >= LogWarning)                                                \
 859         AL_PRINT("(WW)", __VA_ARGS__);                                        \
 860 } while(0)
 861
 862 #define ERR(...) do {                                                         \
 863     if(LogLevel >= LogError)                                                  \
 864         AL_PRINT("(EE)", __VA_ARGS__);                                        \
 865 } while(0)
 866
 867
 868 extern ALint RTPrioLevel;
 869
 870
 871 extern ALuint CPUCapFlags;
 872 enum {
 873     CPU_CAP_SSE    = 1<<0,
 874     CPU_CAP_SSE2   = 1<<1,
 875     CPU_CAP_SSE4_1 = 1<<2,
 876     CPU_CAP_NEON   = 1<<3,
 877 };
 878
 879 void FillCPUCaps(ALuint capfilter);
 880
 881 FILE *OpenDataFile(const char *fname, const char *subdir);
 882
 883 /* Small hack to use a pointer-to-array type as a normal argument type.
 884  * Shouldn't be used directly. */
 885 typedef ALfloat ALfloatBUFFERSIZE[BUFFERSIZE];
 886
 887
 888 #ifdef __cplusplus
 889 }
 890 #endif
 891
 892 #endif