al/eax_api.h

   1 #ifndef EAX_API_INCLUDED
   2 #define EAX_API_INCLUDED
   3
   4
   5 //
   6 // EAX API.
   7 //
   8 // Based on headers `eax[2-5].h` included in Doom 3 source code:
   9 // https://github.com/id-Software/DOOM-3/tree/master/neo/openal/include
  10 //
  11
  12
  13 #include <cfloat>
  14 #include <cstdint>
  15 #include <cstring>
  16
  17 #include <array>
  18
  19 #include "AL/al.h"
  20
  21
  22 #ifndef GUID_DEFINED
  23 #define GUID_DEFINED
  24 typedef struct _GUID
  25 {
  26     std::uint32_t Data1;
  27     std::uint16_t Data2;
  28     std::uint16_t Data3;
  29     std::uint8_t Data4[8];
  30 } GUID;
  31
  32 inline bool operator==(const GUID& lhs, const GUID& rhs) noexcept
  33 {
  34     return std::memcmp(&lhs, &rhs, sizeof(GUID)) == 0;
  35 }
  36
  37 inline bool operator!=(const GUID& lhs, const GUID& rhs) noexcept
  38 {
  39     return !(lhs == rhs);
  40 }
  41 #endif // GUID_DEFINED
  42
  43
  44 extern const GUID DSPROPSETID_EAX_ReverbProperties;
  45
  46 enum DSPROPERTY_EAX_REVERBPROPERTY : unsigned int
  47 {
  48     DSPROPERTY_EAX_ALL,
  49     DSPROPERTY_EAX_ENVIRONMENT,
  50     DSPROPERTY_EAX_VOLUME,
  51     DSPROPERTY_EAX_DECAYTIME,
  52     DSPROPERTY_EAX_DAMPING,
  53 }; // DSPROPERTY_EAX_REVERBPROPERTY
  54
  55 struct EAX_REVERBPROPERTIES
  56 {
  57     unsigned long environment;
  58     float fVolume;
  59     float fDecayTime_sec;
  60     float fDamping;
  61 }; // EAX_REVERBPROPERTIES
  62
  63 inline bool operator==(const EAX_REVERBPROPERTIES& lhs, const EAX_REVERBPROPERTIES& rhs) noexcept
  64 {
  65     return std::memcmp(&lhs, &rhs, sizeof(EAX_REVERBPROPERTIES)) == 0;
  66 }
  67
  68 extern const GUID DSPROPSETID_EAXBUFFER_ReverbProperties;
  69
  70 enum DSPROPERTY_EAXBUFFER_REVERBPROPERTY : unsigned int
  71 {
  72     DSPROPERTY_EAXBUFFER_ALL,
  73     DSPROPERTY_EAXBUFFER_REVERBMIX,
  74 }; // DSPROPERTY_EAXBUFFER_REVERBPROPERTY
  75
  76 struct EAXBUFFER_REVERBPROPERTIES
  77 {
  78     float fMix;
  79 };
  80
  81 inline bool operator==(const EAXBUFFER_REVERBPROPERTIES& lhs, const EAXBUFFER_REVERBPROPERTIES& rhs) noexcept
  82 {
  83     return lhs.fMix == rhs.fMix;
  84 }
  85
  86 constexpr auto EAX_BUFFER_MINREVERBMIX = 0.0F;
  87 constexpr auto EAX_BUFFER_MAXREVERBMIX = 1.0F;
  88 constexpr auto EAX_REVERBMIX_USEDISTANCE = -1.0F;
  89
  90
  91 extern const GUID DSPROPSETID_EAX20_ListenerProperties;
  92
  93 enum DSPROPERTY_EAX20_LISTENERPROPERTY :
  94     unsigned int
  95 {
  96     DSPROPERTY_EAX20LISTENER_NONE,
  97     DSPROPERTY_EAX20LISTENER_ALLPARAMETERS,
  98     DSPROPERTY_EAX20LISTENER_ROOM,
  99     DSPROPERTY_EAX20LISTENER_ROOMHF,
 100     DSPROPERTY_EAX20LISTENER_ROOMROLLOFFFACTOR,
 101     DSPROPERTY_EAX20LISTENER_DECAYTIME,
 102     DSPROPERTY_EAX20LISTENER_DECAYHFRATIO,
 103     DSPROPERTY_EAX20LISTENER_REFLECTIONS,
 104     DSPROPERTY_EAX20LISTENER_REFLECTIONSDELAY,
 105     DSPROPERTY_EAX20LISTENER_REVERB,
 106     DSPROPERTY_EAX20LISTENER_REVERBDELAY,
 107     DSPROPERTY_EAX20LISTENER_ENVIRONMENT,
 108     DSPROPERTY_EAX20LISTENER_ENVIRONMENTSIZE,
 109     DSPROPERTY_EAX20LISTENER_ENVIRONMENTDIFFUSION,
 110     DSPROPERTY_EAX20LISTENER_AIRABSORPTIONHF,
 111     DSPROPERTY_EAX20LISTENER_FLAGS
 112 }; // DSPROPERTY_EAX20_LISTENERPROPERTY
 113
 114 struct EAX20LISTENERPROPERTIES
 115 {
 116     long lRoom; // room effect level at low frequencies
 117     long lRoomHF; // room effect high-frequency level re. low frequency level
 118     float flRoomRolloffFactor; // like DS3D flRolloffFactor but for room effect
 119     float flDecayTime; // reverberation decay time at low frequencies
 120     float flDecayHFRatio; // high-frequency to low-frequency decay time ratio
 121     long lReflections; // early reflections level relative to room effect
 122     float flReflectionsDelay; // initial reflection delay time
 123     long lReverb; // late reverberation level relative to room effect
 124     float flReverbDelay; // late reverberation delay time relative to initial reflection
 125     unsigned long dwEnvironment; // sets all listener properties
 126     float flEnvironmentSize; // environment size in meters
 127     float flEnvironmentDiffusion; // environment diffusion
 128     float flAirAbsorptionHF; // change in level per meter at 5 kHz
 129     unsigned long dwFlags; // modifies the behavior of properties
 130 }; // EAX20LISTENERPROPERTIES
 131
 132
 133 extern const GUID DSPROPSETID_EAX20_BufferProperties;
 134
 135
 136 enum DSPROPERTY_EAX20_BUFFERPROPERTY :
 137     unsigned int
 138 {
 139     DSPROPERTY_EAX20BUFFER_NONE,
 140     DSPROPERTY_EAX20BUFFER_ALLPARAMETERS,
 141     DSPROPERTY_EAX20BUFFER_DIRECT,
 142     DSPROPERTY_EAX20BUFFER_DIRECTHF,
 143     DSPROPERTY_EAX20BUFFER_ROOM,
 144     DSPROPERTY_EAX20BUFFER_ROOMHF,
 145     DSPROPERTY_EAX20BUFFER_ROOMROLLOFFFACTOR,
 146     DSPROPERTY_EAX20BUFFER_OBSTRUCTION,
 147     DSPROPERTY_EAX20BUFFER_OBSTRUCTIONLFRATIO,
 148     DSPROPERTY_EAX20BUFFER_OCCLUSION,
 149     DSPROPERTY_EAX20BUFFER_OCCLUSIONLFRATIO,
 150     DSPROPERTY_EAX20BUFFER_OCCLUSIONROOMRATIO,
 151     DSPROPERTY_EAX20BUFFER_OUTSIDEVOLUMEHF,
 152     DSPROPERTY_EAX20BUFFER_AIRABSORPTIONFACTOR,
 153     DSPROPERTY_EAX20BUFFER_FLAGS
 154 }; // DSPROPERTY_EAX20_BUFFERPROPERTY
 155
 156
 157 struct EAX20BUFFERPROPERTIES
 158 {
 159     long lDirect; // direct path level
 160     long lDirectHF; // direct path level at high frequencies
 161     long lRoom; // room effect level
 162     long lRoomHF; // room effect level at high frequencies
 163     float flRoomRolloffFactor; // like DS3D flRolloffFactor but for room effect
 164     long lObstruction; // main obstruction control (attenuation at high frequencies)
 165     float flObstructionLFRatio; // obstruction low-frequency level re. main control
 166     long lOcclusion; // main occlusion control (attenuation at high frequencies)
 167     float flOcclusionLFRatio; // occlusion low-frequency level re. main control
 168     float flOcclusionRoomRatio; // occlusion room effect level re. main control
 169     long lOutsideVolumeHF; // outside sound cone level at high frequencies
 170     float flAirAbsorptionFactor; // multiplies DSPROPERTY_EAXLISTENER_AIRABSORPTIONHF
 171     unsigned long dwFlags; // modifies the behavior of properties
 172 }; // EAX20BUFFERPROPERTIES
 173
 174
 175 extern const GUID DSPROPSETID_EAX30_ListenerProperties;
 176
 177 extern const GUID DSPROPSETID_EAX30_BufferProperties;
 178
 179
 180 constexpr auto EAX_MAX_FXSLOTS = 4;
 181
 182 constexpr auto EAX40_MAX_ACTIVE_FXSLOTS = 2;
 183 constexpr auto EAX50_MAX_ACTIVE_FXSLOTS = 4;
 184
 185
 186 constexpr auto EAX_OK = 0L;
 187 constexpr auto EAXERR_INVALID_OPERATION = -1L;
 188 constexpr auto EAXERR_INVALID_VALUE = -2L;
 189 constexpr auto EAXERR_NO_EFFECT_LOADED = -3L;
 190 constexpr auto EAXERR_UNKNOWN_EFFECT = -4L;
 191 constexpr auto EAXERR_INCOMPATIBLE_SOURCE_TYPE = -5L;
 192 constexpr auto EAXERR_INCOMPATIBLE_EAX_VERSION = -6L;
 193
 194
 195 extern const GUID EAX_NULL_GUID;
 196
 197 extern const GUID EAX_PrimaryFXSlotID;
 198
 199
 200 struct EAXVECTOR
 201 {
 202     float x;
 203     float y;
 204     float z;
 205 }; // EAXVECTOR
 206
 207 inline bool operator==(const EAXVECTOR& lhs, const EAXVECTOR& rhs) noexcept
 208 { return std::memcmp(&lhs, &rhs, sizeof(EAXVECTOR)) == 0; }
 209
 210 inline bool operator!=(const EAXVECTOR& lhs, const EAXVECTOR& rhs) noexcept
 211 { return !(lhs == rhs); }
 212
 213
 214 extern const GUID EAXPROPERTYID_EAX40_Context;
 215
 216 extern const GUID EAXPROPERTYID_EAX50_Context;
 217
 218 // EAX50
 219 enum :
 220     unsigned long
 221 {
 222     HEADPHONES = 0,
 223     SPEAKERS_2,
 224     SPEAKERS_4,
 225     SPEAKERS_5, // 5.1 speakers
 226     SPEAKERS_6, // 6.1 speakers
 227     SPEAKERS_7, // 7.1 speakers
 228 };
 229
 230 // EAX50
 231 enum :
 232     unsigned long
 233 {
 234     EAX_40 = 5, // EAX 4.0
 235     EAX_50 = 6, // EAX 5.0
 236 };
 237
 238 constexpr auto EAXCONTEXT_MINEAXSESSION = EAX_40;
 239 constexpr auto EAXCONTEXT_MAXEAXSESSION = EAX_50;
 240 constexpr auto EAXCONTEXT_DEFAULTEAXSESSION = EAX_40;
 241
 242 constexpr auto EAXCONTEXT_MINMAXACTIVESENDS = 2UL;
 243 constexpr auto EAXCONTEXT_MAXMAXACTIVESENDS = 4UL;
 244 constexpr auto EAXCONTEXT_DEFAULTMAXACTIVESENDS = 2UL;
 245
 246 // EAX50
 247 struct EAXSESSIONPROPERTIES
 248 {
 249     unsigned long ulEAXVersion;
 250     unsigned long ulMaxActiveSends;
 251 }; // EAXSESSIONPROPERTIES
 252
 253 enum EAXCONTEXT_PROPERTY :
 254     unsigned int
 255 {
 256     EAXCONTEXT_NONE = 0,
 257     EAXCONTEXT_ALLPARAMETERS,
 258     EAXCONTEXT_PRIMARYFXSLOTID,
 259     EAXCONTEXT_DISTANCEFACTOR,
 260     EAXCONTEXT_AIRABSORPTIONHF,
 261     EAXCONTEXT_HFREFERENCE,
 262     EAXCONTEXT_LASTERROR,
 263
 264     // EAX50
 265     EAXCONTEXT_SPEAKERCONFIG,
 266     EAXCONTEXT_EAXSESSION,
 267     EAXCONTEXT_MACROFXFACTOR,
 268 }; // EAXCONTEXT_PROPERTY
 269
 270 struct EAX40CONTEXTPROPERTIES
 271 {
 272     GUID guidPrimaryFXSlotID;
 273     float flDistanceFactor;
 274     float flAirAbsorptionHF;
 275     float flHFReference;
 276 }; // EAX40CONTEXTPROPERTIES
 277
 278 struct EAX50CONTEXTPROPERTIES :
 279     public EAX40CONTEXTPROPERTIES
 280 {
 281     float flMacroFXFactor;
 282 }; // EAX40CONTEXTPROPERTIES
 283
 284
 285 bool operator==(
 286     const EAX40CONTEXTPROPERTIES& lhs,
 287     const EAX40CONTEXTPROPERTIES& rhs) noexcept;
 288
 289 bool operator==(
 290     const EAX50CONTEXTPROPERTIES& lhs,
 291     const EAX50CONTEXTPROPERTIES& rhs) noexcept;
 292
 293
 294 constexpr auto EAXCONTEXT_MINDISTANCEFACTOR = FLT_MIN;
 295 constexpr auto EAXCONTEXT_MAXDISTANCEFACTOR = FLT_MAX;
 296 constexpr auto EAXCONTEXT_DEFAULTDISTANCEFACTOR = 1.0F;
 297
 298 constexpr auto EAXCONTEXT_MINAIRABSORPTIONHF = -100.0F;
 299 constexpr auto EAXCONTEXT_MAXAIRABSORPTIONHF = 0.0F;
 300 constexpr auto EAXCONTEXT_DEFAULTAIRABSORPTIONHF = -5.0F;
 301
 302 constexpr auto EAXCONTEXT_MINHFREFERENCE = 1000.0F;
 303 constexpr auto EAXCONTEXT_MAXHFREFERENCE = 20000.0F;
 304 constexpr auto EAXCONTEXT_DEFAULTHFREFERENCE = 5000.0F;
 305
 306 constexpr auto EAXCONTEXT_MINMACROFXFACTOR = 0.0F;
 307 constexpr auto EAXCONTEXT_MAXMACROFXFACTOR = 1.0F;
 308 constexpr auto EAXCONTEXT_DEFAULTMACROFXFACTOR = 0.0F;
 309
 310
 311 extern const GUID EAXPROPERTYID_EAX40_FXSlot0;
 312
 313 extern const GUID EAXPROPERTYID_EAX50_FXSlot0;
 314
 315 extern const GUID EAXPROPERTYID_EAX40_FXSlot1;
 316
 317 extern const GUID EAXPROPERTYID_EAX50_FXSlot1;
 318
 319 extern const GUID EAXPROPERTYID_EAX40_FXSlot2;
 320
 321 extern const GUID EAXPROPERTYID_EAX50_FXSlot2;
 322
 323 extern const GUID EAXPROPERTYID_EAX40_FXSlot3;
 324
 325 extern const GUID EAXPROPERTYID_EAX50_FXSlot3;
 326
 327 extern const GUID EAXCONTEXT_DEFAULTPRIMARYFXSLOTID;
 328
 329 enum EAXFXSLOT_PROPERTY :
 330     unsigned int
 331 {
 332     EAXFXSLOT_PARAMETER = 0,
 333
 334     EAXFXSLOT_NONE = 0x10000,
 335     EAXFXSLOT_ALLPARAMETERS,
 336     EAXFXSLOT_LOADEFFECT,
 337     EAXFXSLOT_VOLUME,
 338     EAXFXSLOT_LOCK,
 339     EAXFXSLOT_FLAGS,
 340
 341     // EAX50
 342     EAXFXSLOT_OCCLUSION,
 343     EAXFXSLOT_OCCLUSIONLFRATIO,
 344 }; // EAXFXSLOT_PROPERTY
 345
 346 constexpr auto EAXFXSLOTFLAGS_ENVIRONMENT = 0x00000001UL;
 347 // EAX50
 348 constexpr auto EAXFXSLOTFLAGS_UPMIX = 0x00000002UL;
 349
 350 constexpr auto EAX40FXSLOTFLAGS_RESERVED = 0xFFFFFFFEUL; // reserved future use
 351 constexpr auto EAX50FXSLOTFLAGS_RESERVED = 0xFFFFFFFCUL; // reserved future use
 352
 353
 354 constexpr auto EAXFXSLOT_MINVOLUME = -10'000L;
 355 constexpr auto EAXFXSLOT_MAXVOLUME = 0L;
 356 constexpr auto EAXFXSLOT_DEFAULTVOLUME = 0L;
 357
 358 constexpr auto EAXFXSLOT_MINLOCK = 0L;
 359 constexpr auto EAXFXSLOT_MAXLOCK = 1L;
 360
 361 enum :
 362     long
 363 {
 364     EAXFXSLOT_UNLOCKED = 0,
 365     EAXFXSLOT_LOCKED = 1
 366 };
 367
 368 constexpr auto EAXFXSLOT_MINOCCLUSION = -10'000L;
 369 constexpr auto EAXFXSLOT_MAXOCCLUSION = 0L;
 370 constexpr auto EAXFXSLOT_DEFAULTOCCLUSION = 0L;
 371
 372 constexpr auto EAXFXSLOT_MINOCCLUSIONLFRATIO = 0.0F;
 373 constexpr auto EAXFXSLOT_MAXOCCLUSIONLFRATIO = 1.0F;
 374 constexpr auto EAXFXSLOT_DEFAULTOCCLUSIONLFRATIO = 0.25F;
 375
 376 constexpr auto EAX40FXSLOT_DEFAULTFLAGS = EAXFXSLOTFLAGS_ENVIRONMENT;
 377
 378 constexpr auto EAX50FXSLOT_DEFAULTFLAGS =
 379     EAXFXSLOTFLAGS_ENVIRONMENT |
 380     EAXFXSLOTFLAGS_UPMIX; // ignored for reverb;
 381
 382 struct EAX40FXSLOTPROPERTIES
 383 {
 384     GUID guidLoadEffect;
 385     long lVolume;
 386     long lLock;
 387     unsigned long ulFlags;
 388 }; // EAX40FXSLOTPROPERTIES
 389
 390 struct EAX50FXSLOTPROPERTIES :
 391     public EAX40FXSLOTPROPERTIES
 392 {
 393     long lOcclusion;
 394     float flOcclusionLFRatio;
 395 }; // EAX50FXSLOTPROPERTIES
 396
 397 bool operator==(
 398     const EAX40FXSLOTPROPERTIES& lhs,
 399     const EAX40FXSLOTPROPERTIES& rhs) noexcept;
 400
 401 bool operator==(
 402     const EAX50FXSLOTPROPERTIES& lhs,
 403     const EAX50FXSLOTPROPERTIES& rhs) noexcept;
 404
 405 extern const GUID EAXPROPERTYID_EAX40_Source;
 406
 407 extern const GUID EAXPROPERTYID_EAX50_Source;
 408
 409 // Source object properties
 410 enum EAXSOURCE_PROPERTY :
 411     unsigned int
 412 {
 413     // EAX30
 414
 415     EAXSOURCE_NONE,
 416     EAXSOURCE_ALLPARAMETERS,
 417     EAXSOURCE_OBSTRUCTIONPARAMETERS,
 418     EAXSOURCE_OCCLUSIONPARAMETERS,
 419     EAXSOURCE_EXCLUSIONPARAMETERS,
 420     EAXSOURCE_DIRECT,
 421     EAXSOURCE_DIRECTHF,
 422     EAXSOURCE_ROOM,
 423     EAXSOURCE_ROOMHF,
 424     EAXSOURCE_OBSTRUCTION,
 425     EAXSOURCE_OBSTRUCTIONLFRATIO,
 426     EAXSOURCE_OCCLUSION,
 427     EAXSOURCE_OCCLUSIONLFRATIO,
 428     EAXSOURCE_OCCLUSIONROOMRATIO,
 429     EAXSOURCE_OCCLUSIONDIRECTRATIO,
 430     EAXSOURCE_EXCLUSION,
 431     EAXSOURCE_EXCLUSIONLFRATIO,
 432     EAXSOURCE_OUTSIDEVOLUMEHF,
 433     EAXSOURCE_DOPPLERFACTOR,
 434     EAXSOURCE_ROLLOFFFACTOR,
 435     EAXSOURCE_ROOMROLLOFFFACTOR,
 436     EAXSOURCE_AIRABSORPTIONFACTOR,
 437     EAXSOURCE_FLAGS,
 438
 439     // EAX40
 440
 441     EAXSOURCE_SENDPARAMETERS,
 442     EAXSOURCE_ALLSENDPARAMETERS,
 443     EAXSOURCE_OCCLUSIONSENDPARAMETERS,
 444     EAXSOURCE_EXCLUSIONSENDPARAMETERS,
 445     EAXSOURCE_ACTIVEFXSLOTID,
 446
 447     // EAX50
 448
 449     EAXSOURCE_MACROFXFACTOR,
 450     EAXSOURCE_SPEAKERLEVELS,
 451     EAXSOURCE_ALL2DPARAMETERS,
 452 }; // EAXSOURCE_PROPERTY
 453
 454
 455 constexpr auto EAXSOURCEFLAGS_DIRECTHFAUTO = 0x00000001UL; // relates to EAXSOURCE_DIRECTHF
 456 constexpr auto EAXSOURCEFLAGS_ROOMAUTO = 0x00000002UL; // relates to EAXSOURCE_ROOM
 457 constexpr auto EAXSOURCEFLAGS_ROOMHFAUTO = 0x00000004UL; // relates to EAXSOURCE_ROOMHF
 458 // EAX50
 459 constexpr auto EAXSOURCEFLAGS_3DELEVATIONFILTER = 0x00000008UL;
 460 // EAX50
 461 constexpr auto EAXSOURCEFLAGS_UPMIX = 0x00000010UL;
 462 // EAX50
 463 constexpr auto EAXSOURCEFLAGS_APPLYSPEAKERLEVELS = 0x00000020UL;
 464
 465 constexpr auto EAX20SOURCEFLAGS_RESERVED = 0xFFFFFFF8UL; // reserved future use
 466 constexpr auto EAX50SOURCEFLAGS_RESERVED = 0xFFFFFFC0UL; // reserved future use
 467
 468
 469 constexpr auto EAXSOURCE_MINSEND = -10'000L;
 470 constexpr auto EAXSOURCE_MAXSEND = 0L;
 471 constexpr auto EAXSOURCE_DEFAULTSEND = 0L;
 472
 473 constexpr auto EAXSOURCE_MINSENDHF = -10'000L;
 474 constexpr auto EAXSOURCE_MAXSENDHF = 0L;
 475 constexpr auto EAXSOURCE_DEFAULTSENDHF = 0L;
 476
 477 constexpr auto EAXSOURCE_MINDIRECT = -10'000L;
 478 constexpr auto EAXSOURCE_MAXDIRECT = 1'000L;
 479 constexpr auto EAXSOURCE_DEFAULTDIRECT = 0L;
 480
 481 constexpr auto EAXSOURCE_MINDIRECTHF = -10'000L;
 482 constexpr auto EAXSOURCE_MAXDIRECTHF = 0L;
 483 constexpr auto EAXSOURCE_DEFAULTDIRECTHF = 0L;
 484
 485 constexpr auto EAXSOURCE_MINROOM = -10'000L;
 486 constexpr auto EAXSOURCE_MAXROOM = 1'000L;
 487 constexpr auto EAXSOURCE_DEFAULTROOM = 0L;
 488
 489 constexpr auto EAXSOURCE_MINROOMHF = -10'000L;
 490 constexpr auto EAXSOURCE_MAXROOMHF = 0L;
 491 constexpr auto EAXSOURCE_DEFAULTROOMHF = 0L;
 492
 493 constexpr auto EAXSOURCE_MINOBSTRUCTION = -10'000L;
 494 constexpr auto EAXSOURCE_MAXOBSTRUCTION = 0L;
 495 constexpr auto EAXSOURCE_DEFAULTOBSTRUCTION = 0L;
 496
 497 constexpr auto EAXSOURCE_MINOBSTRUCTIONLFRATIO = 0.0F;
 498 constexpr auto EAXSOURCE_MAXOBSTRUCTIONLFRATIO = 1.0F;
 499 constexpr auto EAXSOURCE_DEFAULTOBSTRUCTIONLFRATIO = 0.0F;
 500
 501 constexpr auto EAXSOURCE_MINOCCLUSION = -10'000L;
 502 constexpr auto EAXSOURCE_MAXOCCLUSION = 0L;
 503 constexpr auto EAXSOURCE_DEFAULTOCCLUSION = 0L;
 504
 505 constexpr auto EAXSOURCE_MINOCCLUSIONLFRATIO = 0.0F;
 506 constexpr auto EAXSOURCE_MAXOCCLUSIONLFRATIO = 1.0F;
 507 constexpr auto EAXSOURCE_DEFAULTOCCLUSIONLFRATIO = 0.25F;
 508
 509 constexpr auto EAXSOURCE_MINOCCLUSIONROOMRATIO = 0.0F;
 510 constexpr auto EAXSOURCE_MAXOCCLUSIONROOMRATIO = 10.0F;
 511 constexpr auto EAXSOURCE_DEFAULTOCCLUSIONROOMRATIO = 1.5F;
 512
 513 constexpr auto EAXSOURCE_MINOCCLUSIONDIRECTRATIO = 0.0F;
 514 constexpr auto EAXSOURCE_MAXOCCLUSIONDIRECTRATIO = 10.0F;
 515 constexpr auto EAXSOURCE_DEFAULTOCCLUSIONDIRECTRATIO = 1.0F;
 516
 517 constexpr auto EAXSOURCE_MINEXCLUSION = -10'000L;
 518 constexpr auto EAXSOURCE_MAXEXCLUSION = 0L;
 519 constexpr auto EAXSOURCE_DEFAULTEXCLUSION = 0L;
 520
 521 constexpr auto EAXSOURCE_MINEXCLUSIONLFRATIO = 0.0F;
 522 constexpr auto EAXSOURCE_MAXEXCLUSIONLFRATIO = 1.0F;
 523 constexpr auto EAXSOURCE_DEFAULTEXCLUSIONLFRATIO = 1.0F;
 524
 525 constexpr auto EAXSOURCE_MINOUTSIDEVOLUMEHF = -10'000L;
 526 constexpr auto EAXSOURCE_MAXOUTSIDEVOLUMEHF = 0L;
 527 constexpr auto EAXSOURCE_DEFAULTOUTSIDEVOLUMEHF = 0L;
 528
 529 constexpr auto EAXSOURCE_MINDOPPLERFACTOR = 0.0F;
 530 constexpr auto EAXSOURCE_MAXDOPPLERFACTOR = 10.0F;
 531 constexpr auto EAXSOURCE_DEFAULTDOPPLERFACTOR = 1.0F;
 532
 533 constexpr auto EAXSOURCE_MINROLLOFFFACTOR = 0.0F;
 534 constexpr auto EAXSOURCE_MAXROLLOFFFACTOR = 10.0F;
 535 constexpr auto EAXSOURCE_DEFAULTROLLOFFFACTOR = 0.0F;
 536
 537 constexpr auto EAXSOURCE_MINROOMROLLOFFFACTOR = 0.0F;
 538 constexpr auto EAXSOURCE_MAXROOMROLLOFFFACTOR = 10.0F;
 539 constexpr auto EAXSOURCE_DEFAULTROOMROLLOFFFACTOR = 0.0F;
 540
 541 constexpr auto EAXSOURCE_MINAIRABSORPTIONFACTOR = 0.0F;
 542 constexpr auto EAXSOURCE_MAXAIRABSORPTIONFACTOR = 10.0F;
 543 constexpr auto EAXSOURCE_DEFAULTAIRABSORPTIONFACTOR = 0.0F;
 544
 545 // EAX50
 546
 547 constexpr auto EAXSOURCE_MINMACROFXFACTOR = 0.0F;
 548 constexpr auto EAXSOURCE_MAXMACROFXFACTOR = 1.0F;
 549 constexpr auto EAXSOURCE_DEFAULTMACROFXFACTOR = 1.0F;
 550
 551 // EAX50
 552
 553 constexpr auto EAXSOURCE_MINSPEAKERLEVEL = -10'000L;
 554 constexpr auto EAXSOURCE_MAXSPEAKERLEVEL = 0L;
 555 constexpr auto EAXSOURCE_DEFAULTSPEAKERLEVEL = -10'000L;
 556
 557 constexpr auto EAXSOURCE_DEFAULTFLAGS =
 558     EAXSOURCEFLAGS_DIRECTHFAUTO |
 559     EAXSOURCEFLAGS_ROOMAUTO |
 560     EAXSOURCEFLAGS_ROOMHFAUTO;
 561
 562 enum :
 563     long
 564 {
 565     EAXSPEAKER_FRONT_LEFT = 1,
 566     EAXSPEAKER_FRONT_CENTER = 2,
 567     EAXSPEAKER_FRONT_RIGHT = 3,
 568     EAXSPEAKER_SIDE_RIGHT = 4,
 569     EAXSPEAKER_REAR_RIGHT = 5,
 570     EAXSPEAKER_REAR_CENTER = 6,
 571     EAXSPEAKER_REAR_LEFT = 7,
 572     EAXSPEAKER_SIDE_LEFT = 8,
 573     EAXSPEAKER_LOW_FREQUENCY = 9
 574 };
 575
 576 // EAXSOURCEFLAGS_DIRECTHFAUTO, EAXSOURCEFLAGS_ROOMAUTO and EAXSOURCEFLAGS_ROOMHFAUTO are ignored for 2D sources
 577 // EAXSOURCEFLAGS_UPMIX is ignored for 3D sources
 578 constexpr auto EAX50SOURCE_DEFAULTFLAGS =
 579     EAXSOURCEFLAGS_DIRECTHFAUTO |
 580     EAXSOURCEFLAGS_ROOMAUTO |
 581     EAXSOURCEFLAGS_ROOMHFAUTO |
 582     EAXSOURCEFLAGS_UPMIX;
 583
 584 struct EAX30SOURCEPROPERTIES
 585 {
 586     long lDirect; // direct path level (at low and mid frequencies)
 587     long lDirectHF; // relative direct path level at high frequencies
 588     long lRoom; // room effect level (at low and mid frequencies)
 589     long lRoomHF; // relative room effect level at high frequencies
 590     long lObstruction; // main obstruction control (attenuation at high frequencies)
 591     float flObstructionLFRatio; // obstruction low-frequency level re. main control
 592     long lOcclusion; // main occlusion control (attenuation at high frequencies)
 593     float flOcclusionLFRatio; // occlusion low-frequency level re. main control
 594     float flOcclusionRoomRatio; // relative occlusion control for room effect
 595     float flOcclusionDirectRatio; // relative occlusion control for direct path
 596     long lExclusion; // main exlusion control (attenuation at high frequencies)
 597     float flExclusionLFRatio; // exclusion low-frequency level re. main control
 598     long lOutsideVolumeHF; // outside sound cone level at high frequencies
 599     float flDopplerFactor; // like DS3D flDopplerFactor but per source
 600     float flRolloffFactor; // like DS3D flRolloffFactor but per source
 601     float flRoomRolloffFactor; // like DS3D flRolloffFactor but for room effect
 602     float flAirAbsorptionFactor; // multiplies EAXREVERB_AIRABSORPTIONHF
 603     unsigned long ulFlags; // modifies the behavior of properties
 604 }; // EAX30SOURCEPROPERTIES
 605
 606 struct EAX50SOURCEPROPERTIES :
 607     public EAX30SOURCEPROPERTIES
 608 {
 609     float flMacroFXFactor;
 610 }; // EAX50SOURCEPROPERTIES
 611
 612 struct EAXSOURCEALLSENDPROPERTIES
 613 {
 614     GUID guidReceivingFXSlotID;
 615     long lSend; // send level (at low and mid frequencies)
 616     long lSendHF; // relative send level at high frequencies
 617     long lOcclusion;
 618     float flOcclusionLFRatio;
 619     float flOcclusionRoomRatio;
 620     float flOcclusionDirectRatio;
 621     long lExclusion;
 622     float flExclusionLFRatio;
 623 }; // EAXSOURCEALLSENDPROPERTIES
 624
 625 struct EAXSOURCE2DPROPERTIES
 626 {
 627     long lDirect; // direct path level (at low and mid frequencies)
 628     long lDirectHF; // relative direct path level at high frequencies
 629     long lRoom; // room effect level (at low and mid frequencies)
 630     long lRoomHF; // relative room effect level at high frequencies
 631     unsigned long ulFlags; // modifies the behavior of properties
 632 }; // EAXSOURCE2DPROPERTIES
 633
 634 struct EAXSPEAKERLEVELPROPERTIES
 635 {
 636     long lSpeakerID;
 637     long lLevel;
 638 }; // EAXSPEAKERLEVELPROPERTIES
 639
 640 struct EAX40ACTIVEFXSLOTS
 641 {
 642     GUID guidActiveFXSlots[EAX40_MAX_ACTIVE_FXSLOTS];
 643 }; // EAX40ACTIVEFXSLOTS
 644
 645 struct EAX50ACTIVEFXSLOTS
 646 {
 647     GUID guidActiveFXSlots[EAX50_MAX_ACTIVE_FXSLOTS];
 648 }; // EAX50ACTIVEFXSLOTS
 649
 650 bool operator==(
 651     const EAX50ACTIVEFXSLOTS& lhs,
 652     const EAX50ACTIVEFXSLOTS& rhs) noexcept;
 653
 654 bool operator!=(
 655     const EAX50ACTIVEFXSLOTS& lhs,
 656     const EAX50ACTIVEFXSLOTS& rhs) noexcept;
 657
 658 // Use this structure for EAXSOURCE_OBSTRUCTIONPARAMETERS property.
 659 struct EAXOBSTRUCTIONPROPERTIES
 660 {
 661     long lObstruction;
 662     float flObstructionLFRatio;
 663 }; // EAXOBSTRUCTIONPROPERTIES
 664
 665 // Use this structure for EAXSOURCE_OCCLUSIONPARAMETERS property.
 666 struct EAXOCCLUSIONPROPERTIES
 667 {
 668     long lOcclusion;
 669     float flOcclusionLFRatio;
 670     float flOcclusionRoomRatio;
 671     float flOcclusionDirectRatio;
 672 }; // EAXOCCLUSIONPROPERTIES
 673
 674 // Use this structure for EAXSOURCE_EXCLUSIONPARAMETERS property.
 675 struct EAXEXCLUSIONPROPERTIES
 676 {
 677     long lExclusion;
 678     float flExclusionLFRatio;
 679 }; // EAXEXCLUSIONPROPERTIES
 680
 681 // Use this structure for EAXSOURCE_SENDPARAMETERS properties.
 682 struct EAXSOURCESENDPROPERTIES
 683 {
 684     GUID guidReceivingFXSlotID;
 685     long lSend;
 686     long lSendHF;
 687 }; // EAXSOURCESENDPROPERTIES
 688
 689 // Use this structure for EAXSOURCE_OCCLUSIONSENDPARAMETERS
 690 struct EAXSOURCEOCCLUSIONSENDPROPERTIES
 691 {
 692     GUID guidReceivingFXSlotID;
 693     long lOcclusion;
 694     float flOcclusionLFRatio;
 695     float flOcclusionRoomRatio;
 696     float flOcclusionDirectRatio;
 697 }; // EAXSOURCEOCCLUSIONSENDPROPERTIES
 698
 699 // Use this structure for EAXSOURCE_EXCLUSIONSENDPARAMETERS
 700 struct EAXSOURCEEXCLUSIONSENDPROPERTIES
 701 {
 702     GUID guidReceivingFXSlotID;
 703     long lExclusion;
 704     float flExclusionLFRatio;
 705 }; // EAXSOURCEEXCLUSIONSENDPROPERTIES
 706
 707 extern const EAX50ACTIVEFXSLOTS EAX40SOURCE_DEFAULTACTIVEFXSLOTID;
 708
 709 extern const EAX50ACTIVEFXSLOTS EAX50SOURCE_3DDEFAULTACTIVEFXSLOTID;
 710
 711 extern const EAX50ACTIVEFXSLOTS EAX50SOURCE_2DDEFAULTACTIVEFXSLOTID;
 712
 713
 714 // EAX Reverb Effect
 715
 716 extern const GUID EAX_REVERB_EFFECT;
 717
 718 // Reverb effect properties
 719 enum EAXREVERB_PROPERTY :
 720     unsigned int
 721 {
 722     EAXREVERB_NONE,
 723     EAXREVERB_ALLPARAMETERS,
 724     EAXREVERB_ENVIRONMENT,
 725     EAXREVERB_ENVIRONMENTSIZE,
 726     EAXREVERB_ENVIRONMENTDIFFUSION,
 727     EAXREVERB_ROOM,
 728     EAXREVERB_ROOMHF,
 729     EAXREVERB_ROOMLF,
 730     EAXREVERB_DECAYTIME,
 731     EAXREVERB_DECAYHFRATIO,
 732     EAXREVERB_DECAYLFRATIO,
 733     EAXREVERB_REFLECTIONS,
 734     EAXREVERB_REFLECTIONSDELAY,
 735     EAXREVERB_REFLECTIONSPAN,
 736     EAXREVERB_REVERB,
 737     EAXREVERB_REVERBDELAY,
 738     EAXREVERB_REVERBPAN,
 739     EAXREVERB_ECHOTIME,
 740     EAXREVERB_ECHODEPTH,
 741     EAXREVERB_MODULATIONTIME,
 742     EAXREVERB_MODULATIONDEPTH,
 743     EAXREVERB_AIRABSORPTIONHF,
 744     EAXREVERB_HFREFERENCE,
 745     EAXREVERB_LFREFERENCE,
 746     EAXREVERB_ROOMROLLOFFFACTOR,
 747     EAXREVERB_FLAGS,
 748 }; // EAXREVERB_PROPERTY
 749
 750 // used by EAXREVERB_ENVIRONMENT
 751 enum :
 752     unsigned long
 753 {
 754     EAX_ENVIRONMENT_GENERIC,
 755     EAX_ENVIRONMENT_PADDEDCELL,
 756     EAX_ENVIRONMENT_ROOM,
 757     EAX_ENVIRONMENT_BATHROOM,
 758     EAX_ENVIRONMENT_LIVINGROOM,
 759     EAX_ENVIRONMENT_STONEROOM,
 760     EAX_ENVIRONMENT_AUDITORIUM,
 761     EAX_ENVIRONMENT_CONCERTHALL,
 762     EAX_ENVIRONMENT_CAVE,
 763     EAX_ENVIRONMENT_ARENA,
 764     EAX_ENVIRONMENT_HANGAR,
 765     EAX_ENVIRONMENT_CARPETEDHALLWAY,
 766     EAX_ENVIRONMENT_HALLWAY,
 767     EAX_ENVIRONMENT_STONECORRIDOR,
 768     EAX_ENVIRONMENT_ALLEY,
 769     EAX_ENVIRONMENT_FOREST,
 770     EAX_ENVIRONMENT_CITY,
 771     EAX_ENVIRONMENT_MOUNTAINS,
 772     EAX_ENVIRONMENT_QUARRY,
 773     EAX_ENVIRONMENT_PLAIN,
 774     EAX_ENVIRONMENT_PARKINGLOT,
 775     EAX_ENVIRONMENT_SEWERPIPE,
 776     EAX_ENVIRONMENT_UNDERWATER,
 777     EAX_ENVIRONMENT_DRUGGED,
 778     EAX_ENVIRONMENT_DIZZY,
 779     EAX_ENVIRONMENT_PSYCHOTIC,
 780
 781     EAX1_ENVIRONMENT_COUNT,
 782
 783     // EAX30
 784     EAX_ENVIRONMENT_UNDEFINED = EAX1_ENVIRONMENT_COUNT,
 785
 786     EAX3_ENVIRONMENT_COUNT,
 787 };
 788
 789
 790 // reverberation decay time
 791 constexpr auto EAXREVERBFLAGS_DECAYTIMESCALE = 0x00000001UL;
 792
 793 // reflection level
 794 constexpr auto EAXREVERBFLAGS_REFLECTIONSSCALE = 0x00000002UL;
 795
 796 // initial reflection delay time
 797 constexpr auto EAXREVERBFLAGS_REFLECTIONSDELAYSCALE = 0x00000004UL;
 798
 799 // reflections level
 800 constexpr auto EAXREVERBFLAGS_REVERBSCALE = 0x00000008UL;
 801
 802 // late reverberation delay time
 803 constexpr auto EAXREVERBFLAGS_REVERBDELAYSCALE = 0x00000010UL;
 804
 805 // echo time
 806 // EAX30+
 807 constexpr auto EAXREVERBFLAGS_ECHOTIMESCALE = 0x00000040UL;
 808
 809 // modulation time
 810 // EAX30+
 811 constexpr auto EAXREVERBFLAGS_MODULATIONTIMESCALE = 0x00000080UL;
 812
 813 // This flag limits high-frequency decay time according to air absorption.
 814 constexpr auto EAXREVERBFLAGS_DECAYHFLIMIT = 0x00000020UL;
 815
 816 constexpr auto EAXREVERBFLAGS_RESERVED = 0xFFFFFF00UL; // reserved future use
 817
 818
 819 struct EAXREVERBPROPERTIES
 820 {
 821     unsigned long ulEnvironment; // sets all reverb properties
 822     float flEnvironmentSize; // environment size in meters
 823     float flEnvironmentDiffusion; // environment diffusion
 824     long lRoom; // room effect level (at mid frequencies)
 825     long lRoomHF; // relative room effect level at high frequencies
 826     long lRoomLF; // relative room effect level at low frequencies
 827     float flDecayTime; // reverberation decay time at mid frequencies
 828     float flDecayHFRatio; // high-frequency to mid-frequency decay time ratio
 829     float flDecayLFRatio; // low-frequency to mid-frequency decay time ratio
 830     long lReflections; // early reflections level relative to room effect
 831     float flReflectionsDelay; // initial reflection delay time
 832     EAXVECTOR vReflectionsPan; // early reflections panning vector
 833     long lReverb; // late reverberation level relative to room effect
 834     float flReverbDelay; // late reverberation delay time relative to initial reflection
 835     EAXVECTOR vReverbPan; // late reverberation panning vector
 836     float flEchoTime; // echo time
 837     float flEchoDepth; // echo depth
 838     float flModulationTime; // modulation time
 839     float flModulationDepth; // modulation depth
 840     float flAirAbsorptionHF; // change in level per meter at high frequencies
 841     float flHFReference; // reference high frequency
 842     float flLFReference; // reference low frequency
 843     float flRoomRolloffFactor; // like DS3D flRolloffFactor but for room effect
 844     unsigned long ulFlags; // modifies the behavior of properties
 845 }; // EAXREVERBPROPERTIES
 846
 847 bool operator==(
 848     const EAXREVERBPROPERTIES& lhs,
 849     const EAXREVERBPROPERTIES& rhs) noexcept;
 850
 851 bool operator!=(
 852     const EAXREVERBPROPERTIES& lhs,
 853     const EAXREVERBPROPERTIES& rhs) noexcept;
 854
 855
 856 constexpr auto EAXREVERB_MINENVIRONMENT = static_cast<unsigned long>(EAX_ENVIRONMENT_GENERIC);
 857 constexpr auto EAX1REVERB_MAXENVIRONMENT = static_cast<unsigned long>(EAX_ENVIRONMENT_PSYCHOTIC);
 858 constexpr auto EAX30REVERB_MAXENVIRONMENT = static_cast<unsigned long>(EAX_ENVIRONMENT_UNDEFINED);
 859 constexpr auto EAXREVERB_DEFAULTENVIRONMENT = static_cast<unsigned long>(EAX_ENVIRONMENT_GENERIC);
 860
 861 constexpr auto EAXREVERB_MINENVIRONMENTSIZE = 1.0F;
 862 constexpr auto EAXREVERB_MAXENVIRONMENTSIZE = 100.0F;
 863 constexpr auto EAXREVERB_DEFAULTENVIRONMENTSIZE = 7.5F;
 864
 865 constexpr auto EAXREVERB_MINENVIRONMENTDIFFUSION = 0.0F;
 866 constexpr auto EAXREVERB_MAXENVIRONMENTDIFFUSION = 1.0F;
 867 constexpr auto EAXREVERB_DEFAULTENVIRONMENTDIFFUSION = 1.0F;
 868
 869 constexpr auto EAXREVERB_MINROOM = -10'000L;
 870 constexpr auto EAXREVERB_MAXROOM = 0L;
 871 constexpr auto EAXREVERB_DEFAULTROOM = -1'000L;
 872
 873 constexpr auto EAXREVERB_MINROOMHF = -10'000L;
 874 constexpr auto EAXREVERB_MAXROOMHF = 0L;
 875 constexpr auto EAXREVERB_DEFAULTROOMHF = -100L;
 876
 877 constexpr auto EAXREVERB_MINROOMLF = -10'000L;
 878 constexpr auto EAXREVERB_MAXROOMLF = 0L;
 879 constexpr auto EAXREVERB_DEFAULTROOMLF = 0L;
 880
 881 constexpr auto EAXREVERB_MINDECAYTIME = 0.1F;
 882 constexpr auto EAXREVERB_MAXDECAYTIME = 20.0F;
 883 constexpr auto EAXREVERB_DEFAULTDECAYTIME = 1.49F;
 884
 885 constexpr auto EAXREVERB_MINDECAYHFRATIO = 0.1F;
 886 constexpr auto EAXREVERB_MAXDECAYHFRATIO = 2.0F;
 887 constexpr auto EAXREVERB_DEFAULTDECAYHFRATIO = 0.83F;
 888
 889 constexpr auto EAXREVERB_MINDECAYLFRATIO = 0.1F;
 890 constexpr auto EAXREVERB_MAXDECAYLFRATIO = 2.0F;
 891 constexpr auto EAXREVERB_DEFAULTDECAYLFRATIO = 1.0F;
 892
 893 constexpr auto EAXREVERB_MINREFLECTIONS = -10'000L;
 894 constexpr auto EAXREVERB_MAXREFLECTIONS = 1'000L;
 895 constexpr auto EAXREVERB_DEFAULTREFLECTIONS = -2'602L;
 896
 897 constexpr auto EAXREVERB_MINREFLECTIONSDELAY = 0.0F;
 898 constexpr auto EAXREVERB_MAXREFLECTIONSDELAY = 0.3F;
 899 constexpr auto EAXREVERB_DEFAULTREFLECTIONSDELAY = 0.007F;
 900
 901 constexpr auto EAXREVERB_DEFAULTREFLECTIONSPAN = EAXVECTOR{0.0F, 0.0F, 0.0F};
 902
 903 constexpr auto EAXREVERB_MINREVERB = -10'000L;
 904 constexpr auto EAXREVERB_MAXREVERB = 2'000L;
 905 constexpr auto EAXREVERB_DEFAULTREVERB = 200L;
 906
 907 constexpr auto EAXREVERB_MINREVERBDELAY = 0.0F;
 908 constexpr auto EAXREVERB_MAXREVERBDELAY = 0.1F;
 909 constexpr auto EAXREVERB_DEFAULTREVERBDELAY = 0.011F;
 910
 911 constexpr auto EAXREVERB_DEFAULTREVERBPAN = EAXVECTOR{0.0F, 0.0F, 0.0F};
 912
 913 constexpr auto EAXREVERB_MINECHOTIME = 0.075F;
 914 constexpr auto EAXREVERB_MAXECHOTIME = 0.25F;
 915 constexpr auto EAXREVERB_DEFAULTECHOTIME = 0.25F;
 916
 917 constexpr auto EAXREVERB_MINECHODEPTH = 0.0F;
 918 constexpr auto EAXREVERB_MAXECHODEPTH = 1.0F;
 919 constexpr auto EAXREVERB_DEFAULTECHODEPTH = 0.0F;
 920
 921 constexpr auto EAXREVERB_MINMODULATIONTIME = 0.04F;
 922 constexpr auto EAXREVERB_MAXMODULATIONTIME = 4.0F;
 923 constexpr auto EAXREVERB_DEFAULTMODULATIONTIME = 0.25F;
 924
 925 constexpr auto EAXREVERB_MINMODULATIONDEPTH = 0.0F;
 926 constexpr auto EAXREVERB_MAXMODULATIONDEPTH = 1.0F;
 927 constexpr auto EAXREVERB_DEFAULTMODULATIONDEPTH = 0.0F;
 928
 929 constexpr auto EAXREVERB_MINAIRABSORPTIONHF = -100.0F;
 930 constexpr auto EAXREVERB_MAXAIRABSORPTIONHF = 0.0F;
 931 constexpr auto EAXREVERB_DEFAULTAIRABSORPTIONHF = -5.0F;
 932
 933 constexpr auto EAXREVERB_MINHFREFERENCE = 1'000.0F;
 934 constexpr auto EAXREVERB_MAXHFREFERENCE = 20'000.0F;
 935 constexpr auto EAXREVERB_DEFAULTHFREFERENCE = 5'000.0F;
 936
 937 constexpr auto EAXREVERB_MINLFREFERENCE = 20.0F;
 938 constexpr auto EAXREVERB_MAXLFREFERENCE = 1'000.0F;
 939 constexpr auto EAXREVERB_DEFAULTLFREFERENCE = 250.0F;
 940
 941 constexpr auto EAXREVERB_MINROOMROLLOFFFACTOR = 0.0F;
 942 constexpr auto EAXREVERB_MAXROOMROLLOFFFACTOR = 10.0F;
 943 constexpr auto EAXREVERB_DEFAULTROOMROLLOFFFACTOR = 0.0F;
 944
 945 constexpr auto EAX1REVERB_MINVOLUME = 0.0F;
 946 constexpr auto EAX1REVERB_MAXVOLUME = 1.0F;
 947
 948 constexpr auto EAX1REVERB_MINDAMPING = 0.0F;
 949 constexpr auto EAX1REVERB_MAXDAMPING = 2.0F;
 950
 951 constexpr auto EAXREVERB_DEFAULTFLAGS =
 952     EAXREVERBFLAGS_DECAYTIMESCALE |
 953     EAXREVERBFLAGS_REFLECTIONSSCALE |
 954     EAXREVERBFLAGS_REFLECTIONSDELAYSCALE |
 955     EAXREVERBFLAGS_REVERBSCALE |
 956     EAXREVERBFLAGS_REVERBDELAYSCALE |
 957     EAXREVERBFLAGS_DECAYHFLIMIT;
 958
 959
 960 using EaxReverbPresets = std::array<EAXREVERBPROPERTIES, EAX1_ENVIRONMENT_COUNT>;
 961 extern const EaxReverbPresets EAXREVERB_PRESETS;
 962
 963
 964 using Eax1ReverbPresets = std::array<EAX_REVERBPROPERTIES, EAX1_ENVIRONMENT_COUNT>;
 965 extern const Eax1ReverbPresets EAX1REVERB_PRESETS;
 966
 967
 968 // AGC Compressor Effect
 969
 970 extern const GUID EAX_AGCCOMPRESSOR_EFFECT;
 971
 972 enum EAXAGCCOMPRESSOR_PROPERTY :
 973     unsigned int
 974 {
 975     EAXAGCCOMPRESSOR_NONE,
 976     EAXAGCCOMPRESSOR_ALLPARAMETERS,
 977     EAXAGCCOMPRESSOR_ONOFF,
 978 }; // EAXAGCCOMPRESSOR_PROPERTY
 979
 980 struct EAXAGCCOMPRESSORPROPERTIES
 981 {
 982     unsigned long ulOnOff; // Switch Compressor on or off
 983 }; // EAXAGCCOMPRESSORPROPERTIES
 984
 985
 986 constexpr auto EAXAGCCOMPRESSOR_MINONOFF = 0UL;
 987 constexpr auto EAXAGCCOMPRESSOR_MAXONOFF = 1UL;
 988 constexpr auto EAXAGCCOMPRESSOR_DEFAULTONOFF = EAXAGCCOMPRESSOR_MAXONOFF;
 989
 990
 991 // Autowah Effect
 992
 993 extern const GUID EAX_AUTOWAH_EFFECT;
 994
 995 enum EAXAUTOWAH_PROPERTY :
 996     unsigned int
 997 {
 998     EAXAUTOWAH_NONE,
 999     EAXAUTOWAH_ALLPARAMETERS,
1000     EAXAUTOWAH_ATTACKTIME,
1001     EAXAUTOWAH_RELEASETIME,
1002     EAXAUTOWAH_RESONANCE,
1003     EAXAUTOWAH_PEAKLEVEL,
1004 }; // EAXAUTOWAH_PROPERTY
1005
1006 struct EAXAUTOWAHPROPERTIES
1007 {
1008     float flAttackTime; // Attack time (seconds)
1009     float flReleaseTime; // Release time (seconds)
1010     long lResonance; // Resonance (mB)
1011     long lPeakLevel; // Peak level (mB)
1012 }; // EAXAUTOWAHPROPERTIES
1013
1014
1015 constexpr auto EAXAUTOWAH_MINATTACKTIME = 0.0001F;
1016 constexpr auto EAXAUTOWAH_MAXATTACKTIME = 1.0F;
1017 constexpr auto EAXAUTOWAH_DEFAULTATTACKTIME = 0.06F;
1018
1019 constexpr auto EAXAUTOWAH_MINRELEASETIME = 0.0001F;
1020 constexpr auto EAXAUTOWAH_MAXRELEASETIME = 1.0F;
1021 constexpr auto EAXAUTOWAH_DEFAULTRELEASETIME = 0.06F;
1022
1023 constexpr auto EAXAUTOWAH_MINRESONANCE = 600L;
1024 constexpr auto EAXAUTOWAH_MAXRESONANCE = 6000L;
1025 constexpr auto EAXAUTOWAH_DEFAULTRESONANCE = 6000L;
1026
1027 constexpr auto EAXAUTOWAH_MINPEAKLEVEL = -9000L;
1028 constexpr auto EAXAUTOWAH_MAXPEAKLEVEL = 9000L;
1029 constexpr auto EAXAUTOWAH_DEFAULTPEAKLEVEL = 2100L;
1030
1031
1032 // Chorus Effect
1033
1034 extern const GUID EAX_CHORUS_EFFECT;
1035
1036
1037 enum EAXCHORUS_PROPERTY :
1038     unsigned int
1039 {
1040     EAXCHORUS_NONE,
1041     EAXCHORUS_ALLPARAMETERS,
1042     EAXCHORUS_WAVEFORM,
1043     EAXCHORUS_PHASE,
1044     EAXCHORUS_RATE,
1045     EAXCHORUS_DEPTH,
1046     EAXCHORUS_FEEDBACK,
1047     EAXCHORUS_DELAY,
1048 }; // EAXCHORUS_PROPERTY
1049
1050 enum :
1051     unsigned long
1052 {
1053     EAX_CHORUS_SINUSOID,
1054     EAX_CHORUS_TRIANGLE,
1055 };
1056
1057 struct EAXCHORUSPROPERTIES
1058 {
1059     unsigned long ulWaveform; // Waveform selector - see enum above
1060     long lPhase; // Phase (Degrees)
1061     float flRate; // Rate (Hz)
1062     float flDepth; // Depth (0 to 1)
1063     float flFeedback; // Feedback (-1 to 1)
1064     float flDelay; // Delay (seconds)
1065 }; // EAXCHORUSPROPERTIES
1066
1067
1068 constexpr auto EAXCHORUS_MINWAVEFORM = 0UL;
1069 constexpr auto EAXCHORUS_MAXWAVEFORM = 1UL;
1070 constexpr auto EAXCHORUS_DEFAULTWAVEFORM = 1UL;
1071
1072 constexpr auto EAXCHORUS_MINPHASE = -180L;
1073 constexpr auto EAXCHORUS_MAXPHASE = 180L;
1074 constexpr auto EAXCHORUS_DEFAULTPHASE = 90L;
1075
1076 constexpr auto EAXCHORUS_MINRATE = 0.0F;
1077 constexpr auto EAXCHORUS_MAXRATE = 10.0F;
1078 constexpr auto EAXCHORUS_DEFAULTRATE = 1.1F;
1079
1080 constexpr auto EAXCHORUS_MINDEPTH = 0.0F;
1081 constexpr auto EAXCHORUS_MAXDEPTH = 1.0F;
1082 constexpr auto EAXCHORUS_DEFAULTDEPTH = 0.1F;
1083
1084 constexpr auto EAXCHORUS_MINFEEDBACK = -1.0F;
1085 constexpr auto EAXCHORUS_MAXFEEDBACK = 1.0F;
1086 constexpr auto EAXCHORUS_DEFAULTFEEDBACK = 0.25F;
1087
1088 constexpr auto EAXCHORUS_MINDELAY = 0.0002F;
1089 constexpr auto EAXCHORUS_MAXDELAY = 0.016F;
1090 constexpr auto EAXCHORUS_DEFAULTDELAY = 0.016F;
1091
1092
1093 // Distortion Effect
1094
1095 extern const GUID EAX_DISTORTION_EFFECT;
1096
1097 enum EAXDISTORTION_PROPERTY :
1098     unsigned int
1099 {
1100     EAXDISTORTION_NONE,
1101     EAXDISTORTION_ALLPARAMETERS,
1102     EAXDISTORTION_EDGE,
1103     EAXDISTORTION_GAIN,
1104     EAXDISTORTION_LOWPASSCUTOFF,
1105     EAXDISTORTION_EQCENTER,
1106     EAXDISTORTION_EQBANDWIDTH,
1107 }; // EAXDISTORTION_PROPERTY
1108
1109
1110 struct EAXDISTORTIONPROPERTIES
1111 {
1112     float flEdge; // Controls the shape of the distortion (0 to 1)
1113     long lGain; // Controls the post distortion gain (mB)
1114     float flLowPassCutOff; // Controls the cut-off of the filter pre-distortion (Hz)
1115     float flEQCenter; // Controls the center frequency of the EQ post-distortion (Hz)
1116     float flEQBandwidth; // Controls the bandwidth of the EQ post-distortion (Hz)
1117 }; // EAXDISTORTIONPROPERTIES
1118
1119
1120 constexpr auto EAXDISTORTION_MINEDGE = 0.0F;
1121 constexpr auto EAXDISTORTION_MAXEDGE = 1.0F;
1122 constexpr auto EAXDISTORTION_DEFAULTEDGE = 0.2F;
1123
1124 constexpr auto EAXDISTORTION_MINGAIN = -6000L;
1125 constexpr auto EAXDISTORTION_MAXGAIN = 0L;
1126 constexpr auto EAXDISTORTION_DEFAULTGAIN = -2600L;
1127
1128 constexpr auto EAXDISTORTION_MINLOWPASSCUTOFF = 80.0F;
1129 constexpr auto EAXDISTORTION_MAXLOWPASSCUTOFF = 24000.0F;
1130 constexpr auto EAXDISTORTION_DEFAULTLOWPASSCUTOFF = 8000.0F;
1131
1132 constexpr auto EAXDISTORTION_MINEQCENTER = 80.0F;
1133 constexpr auto EAXDISTORTION_MAXEQCENTER = 24000.0F;
1134 constexpr auto EAXDISTORTION_DEFAULTEQCENTER = 3600.0F;
1135
1136 constexpr auto EAXDISTORTION_MINEQBANDWIDTH = 80.0F;
1137 constexpr auto EAXDISTORTION_MAXEQBANDWIDTH = 24000.0F;
1138 constexpr auto EAXDISTORTION_DEFAULTEQBANDWIDTH = 3600.0F;
1139
1140
1141 // Echo Effect
1142
1143 extern const GUID EAX_ECHO_EFFECT;
1144
1145
1146 enum EAXECHO_PROPERTY :
1147     unsigned int
1148 {
1149     EAXECHO_NONE,
1150     EAXECHO_ALLPARAMETERS,
1151     EAXECHO_DELAY,
1152     EAXECHO_LRDELAY,
1153     EAXECHO_DAMPING,
1154     EAXECHO_FEEDBACK,
1155     EAXECHO_SPREAD,
1156 }; // EAXECHO_PROPERTY
1157
1158
1159 struct EAXECHOPROPERTIES
1160 {
1161     float flDelay; // Controls the initial delay time (seconds)
1162     float flLRDelay; // Controls the delay time between the first and second taps (seconds)
1163     float flDamping; // Controls a low-pass filter that dampens the echoes (0 to 1)
1164     float flFeedback; // Controls the duration of echo repetition (0 to 1)
1165     float flSpread; // Controls the left-right spread of the echoes
1166 }; // EAXECHOPROPERTIES
1167
1168
1169 constexpr auto EAXECHO_MINDAMPING = 0.0F;
1170 constexpr auto EAXECHO_MAXDAMPING = 0.99F;
1171 constexpr auto EAXECHO_DEFAULTDAMPING = 0.5F;
1172
1173 constexpr auto EAXECHO_MINDELAY = 0.002F;
1174 constexpr auto EAXECHO_MAXDELAY = 0.207F;
1175 constexpr auto EAXECHO_DEFAULTDELAY = 0.1F;
1176
1177 constexpr auto EAXECHO_MINLRDELAY = 0.0F;
1178 constexpr auto EAXECHO_MAXLRDELAY = 0.404F;
1179 constexpr auto EAXECHO_DEFAULTLRDELAY = 0.1F;
1180
1181 constexpr auto EAXECHO_MINFEEDBACK = 0.0F;
1182 constexpr auto EAXECHO_MAXFEEDBACK = 1.0F;
1183 constexpr auto EAXECHO_DEFAULTFEEDBACK = 0.5F;
1184
1185 constexpr auto EAXECHO_MINSPREAD = -1.0F;
1186 constexpr auto EAXECHO_MAXSPREAD = 1.0F;
1187 constexpr auto EAXECHO_DEFAULTSPREAD = -1.0F;
1188
1189
1190 // Equalizer Effect
1191
1192 extern const GUID EAX_EQUALIZER_EFFECT;
1193
1194
1195 enum EAXEQUALIZER_PROPERTY :
1196     unsigned int
1197 {
1198     EAXEQUALIZER_NONE,
1199     EAXEQUALIZER_ALLPARAMETERS,
1200     EAXEQUALIZER_LOWGAIN,
1201     EAXEQUALIZER_LOWCUTOFF,
1202     EAXEQUALIZER_MID1GAIN,
1203     EAXEQUALIZER_MID1CENTER,
1204     EAXEQUALIZER_MID1WIDTH,
1205     EAXEQUALIZER_MID2GAIN,
1206     EAXEQUALIZER_MID2CENTER,
1207     EAXEQUALIZER_MID2WIDTH,
1208     EAXEQUALIZER_HIGHGAIN,
1209     EAXEQUALIZER_HIGHCUTOFF,
1210 }; // EAXEQUALIZER_PROPERTY
1211
1212
1213 struct EAXEQUALIZERPROPERTIES
1214 {
1215     long lLowGain; // (mB)
1216     float flLowCutOff; // (Hz)
1217     long lMid1Gain; // (mB)
1218     float flMid1Center; // (Hz)
1219     float flMid1Width; // (octaves)
1220     long lMid2Gain; // (mB)
1221     float flMid2Center; // (Hz)
1222     float flMid2Width; // (octaves)
1223     long lHighGain; // (mB)
1224     float flHighCutOff; // (Hz)
1225 }; // EAXEQUALIZERPROPERTIES
1226
1227
1228 constexpr auto EAXEQUALIZER_MINLOWGAIN = -1800L;
1229 constexpr auto EAXEQUALIZER_MAXLOWGAIN = 1800L;
1230 constexpr auto EAXEQUALIZER_DEFAULTLOWGAIN = 0L;
1231
1232 constexpr auto EAXEQUALIZER_MINLOWCUTOFF = 50.0F;
1233 constexpr auto EAXEQUALIZER_MAXLOWCUTOFF = 800.0F;
1234 constexpr auto EAXEQUALIZER_DEFAULTLOWCUTOFF = 200.0F;
1235
1236 constexpr auto EAXEQUALIZER_MINMID1GAIN = -1800L;
1237 constexpr auto EAXEQUALIZER_MAXMID1GAIN = 1800L;
1238 constexpr auto EAXEQUALIZER_DEFAULTMID1GAIN = 0L;
1239
1240 constexpr auto EAXEQUALIZER_MINMID1CENTER = 200.0F;
1241 constexpr auto EAXEQUALIZER_MAXMID1CENTER = 3000.0F;
1242 constexpr auto EAXEQUALIZER_DEFAULTMID1CENTER = 500.0F;
1243
1244 constexpr auto EAXEQUALIZER_MINMID1WIDTH = 0.01F;
1245 constexpr auto EAXEQUALIZER_MAXMID1WIDTH = 1.0F;
1246 constexpr auto EAXEQUALIZER_DEFAULTMID1WIDTH = 1.0F;
1247
1248 constexpr auto EAXEQUALIZER_MINMID2GAIN = -1800L;
1249 constexpr auto EAXEQUALIZER_MAXMID2GAIN = 1800L;
1250 constexpr auto EAXEQUALIZER_DEFAULTMID2GAIN = 0L;
1251
1252 constexpr auto EAXEQUALIZER_MINMID2CENTER = 1000.0F;
1253 constexpr auto EAXEQUALIZER_MAXMID2CENTER = 8000.0F;
1254 constexpr auto EAXEQUALIZER_DEFAULTMID2CENTER = 3000.0F;
1255
1256 constexpr auto EAXEQUALIZER_MINMID2WIDTH = 0.01F;
1257 constexpr auto EAXEQUALIZER_MAXMID2WIDTH = 1.0F;
1258 constexpr auto EAXEQUALIZER_DEFAULTMID2WIDTH = 1.0F;
1259
1260 constexpr auto EAXEQUALIZER_MINHIGHGAIN = -1800L;
1261 constexpr auto EAXEQUALIZER_MAXHIGHGAIN = 1800L;
1262 constexpr auto EAXEQUALIZER_DEFAULTHIGHGAIN = 0L;
1263
1264 constexpr auto EAXEQUALIZER_MINHIGHCUTOFF = 4000.0F;
1265 constexpr auto EAXEQUALIZER_MAXHIGHCUTOFF = 16000.0F;
1266 constexpr auto EAXEQUALIZER_DEFAULTHIGHCUTOFF = 6000.0F;
1267
1268
1269 // Flanger Effect
1270
1271 extern const GUID EAX_FLANGER_EFFECT;
1272
1273 enum EAXFLANGER_PROPERTY :
1274     unsigned int
1275 {
1276     EAXFLANGER_NONE,
1277     EAXFLANGER_ALLPARAMETERS,
1278     EAXFLANGER_WAVEFORM,
1279     EAXFLANGER_PHASE,
1280     EAXFLANGER_RATE,
1281     EAXFLANGER_DEPTH,
1282     EAXFLANGER_FEEDBACK,
1283     EAXFLANGER_DELAY,
1284 }; // EAXFLANGER_PROPERTY
1285
1286 enum :
1287     unsigned long
1288 {
1289     EAX_FLANGER_SINUSOID,
1290     EAX_FLANGER_TRIANGLE,
1291 };
1292
1293 struct EAXFLANGERPROPERTIES
1294 {
1295     unsigned long ulWaveform; // Waveform selector - see enum above
1296     long lPhase; // Phase (Degrees)
1297     float flRate; // Rate (Hz)
1298     float flDepth; // Depth (0 to 1)
1299     float flFeedback; // Feedback (0 to 1)
1300     float flDelay; // Delay (seconds)
1301 }; // EAXFLANGERPROPERTIES
1302
1303
1304 constexpr auto EAXFLANGER_MINWAVEFORM = 0UL;
1305 constexpr auto EAXFLANGER_MAXWAVEFORM = 1UL;
1306 constexpr auto EAXFLANGER_DEFAULTWAVEFORM = 1UL;
1307
1308 constexpr auto EAXFLANGER_MINPHASE = -180L;
1309 constexpr auto EAXFLANGER_MAXPHASE = 180L;
1310 constexpr auto EAXFLANGER_DEFAULTPHASE = 0L;
1311
1312 constexpr auto EAXFLANGER_MINRATE = 0.0F;
1313 constexpr auto EAXFLANGER_MAXRATE = 10.0F;
1314 constexpr auto EAXFLANGER_DEFAULTRATE = 0.27F;
1315
1316 constexpr auto EAXFLANGER_MINDEPTH = 0.0F;
1317 constexpr auto EAXFLANGER_MAXDEPTH = 1.0F;
1318 constexpr auto EAXFLANGER_DEFAULTDEPTH = 1.0F;
1319
1320 constexpr auto EAXFLANGER_MINFEEDBACK = -1.0F;
1321 constexpr auto EAXFLANGER_MAXFEEDBACK = 1.0F;
1322 constexpr auto EAXFLANGER_DEFAULTFEEDBACK = -0.5F;
1323
1324 constexpr auto EAXFLANGER_MINDELAY = 0.0002F;
1325 constexpr auto EAXFLANGER_MAXDELAY = 0.004F;
1326 constexpr auto EAXFLANGER_DEFAULTDELAY = 0.002F;
1327
1328
1329 // Frequency Shifter Effect
1330
1331 extern const GUID EAX_FREQUENCYSHIFTER_EFFECT;
1332
1333 enum EAXFREQUENCYSHIFTER_PROPERTY :
1334     unsigned int
1335 {
1336     EAXFREQUENCYSHIFTER_NONE,
1337     EAXFREQUENCYSHIFTER_ALLPARAMETERS,
1338     EAXFREQUENCYSHIFTER_FREQUENCY,
1339     EAXFREQUENCYSHIFTER_LEFTDIRECTION,
1340     EAXFREQUENCYSHIFTER_RIGHTDIRECTION,
1341 }; // EAXFREQUENCYSHIFTER_PROPERTY
1342
1343 enum :
1344     unsigned long
1345 {
1346     EAX_FREQUENCYSHIFTER_DOWN,
1347     EAX_FREQUENCYSHIFTER_UP,
1348     EAX_FREQUENCYSHIFTER_OFF
1349 };
1350
1351 struct EAXFREQUENCYSHIFTERPROPERTIES
1352 {
1353     float flFrequency; // (Hz)
1354     unsigned long ulLeftDirection; // see enum above
1355     unsigned long ulRightDirection; // see enum above
1356 }; // EAXFREQUENCYSHIFTERPROPERTIES
1357
1358
1359 constexpr auto EAXFREQUENCYSHIFTER_MINFREQUENCY = 0.0F;
1360 constexpr auto EAXFREQUENCYSHIFTER_MAXFREQUENCY = 24000.0F;
1361 constexpr auto EAXFREQUENCYSHIFTER_DEFAULTFREQUENCY = EAXFREQUENCYSHIFTER_MINFREQUENCY;
1362
1363 constexpr auto EAXFREQUENCYSHIFTER_MINLEFTDIRECTION = 0UL;
1364 constexpr auto EAXFREQUENCYSHIFTER_MAXLEFTDIRECTION = 2UL;
1365 constexpr auto EAXFREQUENCYSHIFTER_DEFAULTLEFTDIRECTION = EAXFREQUENCYSHIFTER_MINLEFTDIRECTION;
1366
1367 constexpr auto EAXFREQUENCYSHIFTER_MINRIGHTDIRECTION = 0UL;
1368 constexpr auto EAXFREQUENCYSHIFTER_MAXRIGHTDIRECTION = 2UL;
1369 constexpr auto EAXFREQUENCYSHIFTER_DEFAULTRIGHTDIRECTION = EAXFREQUENCYSHIFTER_MINRIGHTDIRECTION;
1370
1371
1372 // Vocal Morpher Effect
1373
1374 extern const GUID EAX_VOCALMORPHER_EFFECT;
1375
1376 enum EAXVOCALMORPHER_PROPERTY :
1377     unsigned int
1378 {
1379     EAXVOCALMORPHER_NONE,
1380     EAXVOCALMORPHER_ALLPARAMETERS,
1381     EAXVOCALMORPHER_PHONEMEA,
1382     EAXVOCALMORPHER_PHONEMEACOARSETUNING,
1383     EAXVOCALMORPHER_PHONEMEB,
1384     EAXVOCALMORPHER_PHONEMEBCOARSETUNING,
1385     EAXVOCALMORPHER_WAVEFORM,
1386     EAXVOCALMORPHER_RATE,
1387 }; // EAXVOCALMORPHER_PROPERTY
1388
1389 enum :
1390     unsigned long
1391 {
1392     A,
1393     E,
1394     I,
1395     O,
1396     U,
1397     AA,
1398     AE,
1399     AH,
1400     AO,
1401     EH,
1402     ER,
1403     IH,
1404     IY,
1405     UH,
1406     UW,
1407     B,
1408     D,
1409     F,
1410     G,
1411     J,
1412     K,
1413     L,
1414     M,
1415     N,
1416     P,
1417     R,
1418     S,
1419     T,
1420     V,
1421     Z,
1422 };
1423
1424 enum :
1425     unsigned long
1426 {
1427     EAX_VOCALMORPHER_SINUSOID,
1428     EAX_VOCALMORPHER_TRIANGLE,
1429     EAX_VOCALMORPHER_SAWTOOTH
1430 };
1431
1432 // Use this structure for EAXVOCALMORPHER_ALLPARAMETERS
1433 struct EAXVOCALMORPHERPROPERTIES
1434 {
1435     unsigned long ulPhonemeA; // see enum above
1436     long lPhonemeACoarseTuning; // (semitones)
1437     unsigned long ulPhonemeB; // see enum above
1438     long lPhonemeBCoarseTuning; // (semitones)
1439     unsigned long ulWaveform; // Waveform selector - see enum above
1440     float flRate; // (Hz)
1441 }; // EAXVOCALMORPHERPROPERTIES
1442
1443
1444 constexpr auto EAXVOCALMORPHER_MINPHONEMEA = 0UL;
1445 constexpr auto EAXVOCALMORPHER_MAXPHONEMEA = 29UL;
1446 constexpr auto EAXVOCALMORPHER_DEFAULTPHONEMEA = EAXVOCALMORPHER_MINPHONEMEA;
1447
1448 constexpr auto EAXVOCALMORPHER_MINPHONEMEACOARSETUNING = -24L;
1449 constexpr auto EAXVOCALMORPHER_MAXPHONEMEACOARSETUNING = 24L;
1450 constexpr auto EAXVOCALMORPHER_DEFAULTPHONEMEACOARSETUNING = 0L;
1451
1452 constexpr auto EAXVOCALMORPHER_MINPHONEMEB = 0UL;
1453 constexpr auto EAXVOCALMORPHER_MAXPHONEMEB = 29UL;
1454 constexpr auto EAXVOCALMORPHER_DEFAULTPHONEMEB = 10UL;
1455
1456 constexpr auto EAXVOCALMORPHER_MINPHONEMEBCOARSETUNING = -24L;
1457 constexpr auto EAXVOCALMORPHER_MAXPHONEMEBCOARSETUNING = 24L;
1458 constexpr auto EAXVOCALMORPHER_DEFAULTPHONEMEBCOARSETUNING = 0L;
1459
1460 constexpr auto EAXVOCALMORPHER_MINWAVEFORM = 0UL;
1461 constexpr auto EAXVOCALMORPHER_MAXWAVEFORM = 2UL;
1462 constexpr auto EAXVOCALMORPHER_DEFAULTWAVEFORM = EAXVOCALMORPHER_MINWAVEFORM;
1463
1464 constexpr auto EAXVOCALMORPHER_MINRATE = 0.0F;
1465 constexpr auto EAXVOCALMORPHER_MAXRATE = 10.0F;
1466 constexpr auto EAXVOCALMORPHER_DEFAULTRATE = 1.41F;
1467
1468
1469 // Pitch Shifter Effect
1470
1471 extern const GUID EAX_PITCHSHIFTER_EFFECT;
1472
1473 enum EAXPITCHSHIFTER_PROPERTY :
1474     unsigned int
1475 {
1476     EAXPITCHSHIFTER_NONE,
1477     EAXPITCHSHIFTER_ALLPARAMETERS,
1478     EAXPITCHSHIFTER_COARSETUNE,
1479     EAXPITCHSHIFTER_FINETUNE,
1480 }; // EAXPITCHSHIFTER_PROPERTY
1481
1482 struct EAXPITCHSHIFTERPROPERTIES
1483 {
1484     long lCoarseTune; // Amount of pitch shift (semitones)
1485     long lFineTune; // Amount of pitch shift (cents)
1486 }; // EAXPITCHSHIFTERPROPERTIES
1487
1488
1489 constexpr auto EAXPITCHSHIFTER_MINCOARSETUNE = -12L;
1490 constexpr auto EAXPITCHSHIFTER_MAXCOARSETUNE = 12L;
1491 constexpr auto EAXPITCHSHIFTER_DEFAULTCOARSETUNE = 12L;
1492
1493 constexpr auto EAXPITCHSHIFTER_MINFINETUNE = -50L;
1494 constexpr auto EAXPITCHSHIFTER_MAXFINETUNE = 50L;
1495 constexpr auto EAXPITCHSHIFTER_DEFAULTFINETUNE = 0L;
1496
1497
1498 // Ring Modulator Effect
1499
1500 extern const GUID EAX_RINGMODULATOR_EFFECT;
1501
1502 enum EAXRINGMODULATOR_PROPERTY :
1503     unsigned int
1504 {
1505     EAXRINGMODULATOR_NONE,
1506     EAXRINGMODULATOR_ALLPARAMETERS,
1507     EAXRINGMODULATOR_FREQUENCY,
1508     EAXRINGMODULATOR_HIGHPASSCUTOFF,
1509     EAXRINGMODULATOR_WAVEFORM,
1510 }; // EAXRINGMODULATOR_PROPERTY
1511
1512 enum :
1513     unsigned long
1514 {
1515     EAX_RINGMODULATOR_SINUSOID,
1516     EAX_RINGMODULATOR_SAWTOOTH,
1517     EAX_RINGMODULATOR_SQUARE,
1518 };
1519
1520 // Use this structure for EAXRINGMODULATOR_ALLPARAMETERS
1521 struct EAXRINGMODULATORPROPERTIES
1522 {
1523     float flFrequency; // Frequency of modulation (Hz)
1524     float flHighPassCutOff; // Cut-off frequency of high-pass filter (Hz)
1525     unsigned long ulWaveform; // Waveform selector - see enum above
1526 }; // EAXRINGMODULATORPROPERTIES
1527
1528
1529 constexpr auto EAXRINGMODULATOR_MINFREQUENCY = 0.0F;
1530 constexpr auto EAXRINGMODULATOR_MAXFREQUENCY = 8000.0F;
1531 constexpr auto EAXRINGMODULATOR_DEFAULTFREQUENCY = 440.0F;
1532
1533 constexpr auto EAXRINGMODULATOR_MINHIGHPASSCUTOFF = 0.0F;
1534 constexpr auto EAXRINGMODULATOR_MAXHIGHPASSCUTOFF = 24000.0F;
1535 constexpr auto EAXRINGMODULATOR_DEFAULTHIGHPASSCUTOFF = 800.0F;
1536
1537 constexpr auto EAXRINGMODULATOR_MINWAVEFORM = 0UL;
1538 constexpr auto EAXRINGMODULATOR_MAXWAVEFORM = 2UL;
1539 constexpr auto EAXRINGMODULATOR_DEFAULTWAVEFORM = EAXRINGMODULATOR_MINWAVEFORM;
1540
1541
1542 using LPEAXSET = ALenum(AL_APIENTRY*)(
1543     const GUID* property_set_id,
1544     ALuint property_id,
1545     ALuint property_source_id,
1546     ALvoid* property_buffer,
1547     ALuint property_size);
1548
1549 using LPEAXGET = ALenum(AL_APIENTRY*)(
1550     const GUID* property_set_id,
1551     ALuint property_id,
1552     ALuint property_source_id,
1553     ALvoid* property_buffer,
1554     ALuint property_size);
1555
1556
1557 #endif // !EAX_API_INCLUDED