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// EAX.H -- DirectSound Environmental Audio Extensions
#ifndef EAX_H_INCLUDED
#define EAX_H_INCLUDED
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
// EAX (listener) reverb property set {4a4e6fc1-c341-11d1-b73a-444553540000}
DEFINE_GUID(DSPROPSETID_EAX_ReverbProperties,
0x4a4e6fc1,
0xc341,
0x11d1,
0xb7, 0x3a, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00);
typedef enum
{
DSPROPERTY_EAX_ALL, // all reverb properties
DSPROPERTY_EAX_ENVIRONMENT, // standard environment no.
DSPROPERTY_EAX_VOLUME, // loudness of the reverb
DSPROPERTY_EAX_DECAYTIME, // how long the reverb lasts
DSPROPERTY_EAX_DAMPING // the high frequencies decay faster
} DSPROPERTY_EAX_REVERBPROPERTY;
#define EAX_NUM_STANDARD_PROPERTIES (DSPROPERTY_EAX_DAMPING + 1)
// use this structure for get/set all properties...
typedef struct
{
unsigned long environment; // 0 to EAX_ENVIRONMENT_COUNT-1
float fVolume; // 0 to 1
float fDecayTime_sec; // seconds, 0.1 to 100
float fDamping; // 0 to 1
} EAX_REVERBPROPERTIES;
enum
{
EAX_ENVIRONMENT_GENERIC, // factory default
EAX_ENVIRONMENT_PADDEDCELL,
EAX_ENVIRONMENT_ROOM, // standard environments
EAX_ENVIRONMENT_BATHROOM,
EAX_ENVIRONMENT_LIVINGROOM,
EAX_ENVIRONMENT_STONEROOM,
EAX_ENVIRONMENT_AUDITORIUM,
EAX_ENVIRONMENT_CONCERTHALL,
EAX_ENVIRONMENT_CAVE,
EAX_ENVIRONMENT_ARENA,
EAX_ENVIRONMENT_HANGAR,
EAX_ENVIRONMENT_CARPETEDHALLWAY,
EAX_ENVIRONMENT_HALLWAY,
EAX_ENVIRONMENT_STONECORRIDOR,
EAX_ENVIRONMENT_ALLEY,
EAX_ENVIRONMENT_FOREST,
EAX_ENVIRONMENT_CITY,
EAX_ENVIRONMENT_MOUNTAINS,
EAX_ENVIRONMENT_QUARRY,
EAX_ENVIRONMENT_PLAIN,
EAX_ENVIRONMENT_PARKINGLOT,
EAX_ENVIRONMENT_SEWERPIPE,
EAX_ENVIRONMENT_UNDERWATER,
EAX_ENVIRONMENT_DRUGGED,
EAX_ENVIRONMENT_DIZZY,
EAX_ENVIRONMENT_PSYCHOTIC,
EAX_ENVIRONMENT_COUNT // total number of environments
};
#define EAX_MAX_ENVIRONMENT (EAX_ENVIRONMENT_COUNT - 1)
// presets
#define EAX_PRESET_GENERIC EAX_ENVIRONMENT_GENERIC,0.5F,1.493F,0.5F
#define EAX_PRESET_PADDEDCELL EAX_ENVIRONMENT_PADDEDCELL,0.25F,0.1F,0.0F
#define EAX_PRESET_ROOM EAX_ENVIRONMENT_ROOM,0.417F,0.4F,0.666F
#define EAX_PRESET_BATHROOM EAX_ENVIRONMENT_BATHROOM,0.653F,1.499F,0.166F
#define EAX_PRESET_LIVINGROOM EAX_ENVIRONMENT_LIVINGROOM,0.208F,0.478F,0.0F
#define EAX_PRESET_STONEROOM EAX_ENVIRONMENT_STONEROOM,0.5F,2.309F,0.888F
#define EAX_PRESET_AUDITORIUM EAX_ENVIRONMENT_AUDITORIUM,0.403F,4.279F,0.5F
#define EAX_PRESET_CONCERTHALL EAX_ENVIRONMENT_CONCERTHALL,0.5F,3.961F,0.5F
#define EAX_PRESET_CAVE EAX_ENVIRONMENT_CAVE,0.5F,2.886F,1.304F
#define EAX_PRESET_ARENA EAX_ENVIRONMENT_ARENA,0.361F,7.284F,0.332F
#define EAX_PRESET_HANGAR EAX_ENVIRONMENT_HANGAR,0.5F,10.0F,0.3F
#define EAX_PRESET_CARPETEDHALLWAY EAX_ENVIRONMENT_CARPETEDHALLWAY,0.153F,0.259F,2.0F
#define EAX_PRESET_HALLWAY EAX_ENVIRONMENT_HALLWAY,0.361F,1.493F,0.0F
#define EAX_PRESET_STONECORRIDOR EAX_ENVIRONMENT_STONECORRIDOR,0.444F,2.697F,0.638F
#define EAX_PRESET_ALLEY EAX_ENVIRONMENT_ALLEY,0.25F,1.752F,0.776F
#define EAX_PRESET_FOREST EAX_ENVIRONMENT_FOREST,0.111F,3.145F,0.472F
#define EAX_PRESET_CITY EAX_ENVIRONMENT_CITY,0.111F,2.767F,0.224F
#define EAX_PRESET_MOUNTAINS EAX_ENVIRONMENT_MOUNTAINS,0.194F,7.841F,0.472F
#define EAX_PRESET_QUARRY EAX_ENVIRONMENT_QUARRY,1.0F,1.499F,0.5F
#define EAX_PRESET_PLAIN EAX_ENVIRONMENT_PLAIN,0.097F,2.767F,0.224F
#define EAX_PRESET_PARKINGLOT EAX_ENVIRONMENT_PARKINGLOT,0.208F,1.652F,1.5F
#define EAX_PRESET_SEWERPIPE EAX_ENVIRONMENT_SEWERPIPE,0.652F,2.886F,0.25F
#define EAX_PRESET_UNDERWATER EAX_ENVIRONMENT_UNDERWATER,1.0F,1.499F,0.0F
#define EAX_PRESET_DRUGGED EAX_ENVIRONMENT_DRUGGED,0.875F,8.392F,1.388F
#define EAX_PRESET_DIZZY EAX_ENVIRONMENT_DIZZY,0.139F,17.234F,0.666F
#define EAX_PRESET_PSYCHOTIC EAX_ENVIRONMENT_PSYCHOTIC,0.486F,7.563F,0.806F
// EAX buffer reverb property set {4a4e6fc0-c341-11d1-b73a-444553540000}
DEFINE_GUID(DSPROPSETID_EAXBUFFER_ReverbProperties,
0x4a4e6fc0,
0xc341,
0x11d1,
0xb7, 0x3a, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00);
typedef enum
{
DSPROPERTY_EAXBUFFER_ALL, // all reverb buffer properties
DSPROPERTY_EAXBUFFER_REVERBMIX // the wet source amount
} DSPROPERTY_EAXBUFFER_REVERBPROPERTY;
// use this structure for get/set all properties...
typedef struct
{
float fMix; // linear factor, 0.0F to 1.0F
} EAXBUFFER_REVERBPROPERTIES;
#define EAX_REVERBMIX_USEDISTANCE -1.0F // out of normal range
// signifies the reverb engine should
// calculate it's own reverb mix value
// based on distance
#ifdef __cplusplus
}
#endif // __cplusplus
#endif
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