1 files changed, 535 insertions, 0 deletions

diff --git a/eax/eax.h b/eax/eax.h
new file mode 100644
index 00000000..ecc93c15
--- /dev/null
+++ b/eax/eax.h
@@ -0,0 +1,535 @@
+/*******************************************************************\
+*																	*
+*  EAX.H - Environmental Audio Extensions version 3.0				*
+*          for OpenAL and DirectSound3D								*
+*																	*
+********************************************************************/
+
+#ifndef EAX_H_INCLUDED
+#define EAX_H_INCLUDED
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+#ifndef OPENAL
+	#include <dsound.h>
+
+	/*
+	 * EAX Wrapper Interface (using Direct X 7) {4FF53B81-1CE0-11d3-AAB8-00A0C95949D5}
+	 */
+	DEFINE_GUID(CLSID_EAXDirectSound, 
+    	0x4ff53b81, 
+    	0x1ce0, 
+    	0x11d3,
+    	0xaa, 0xb8, 0x0, 0xa0, 0xc9, 0x59, 0x49, 0xd5);
+    	
+   /*
+	* EAX Wrapper Interface (using Direct X 8) {CA503B60-B176-11d4-A094-D0C0BF3A560C}
+	*/
+	DEFINE_GUID(CLSID_EAXDirectSound8, 
+		0xca503b60,
+		0xb176,
+		0x11d4,
+		0xa0, 0x94, 0xd0, 0xc0, 0xbf, 0x3a, 0x56, 0xc);
+
+	
+
+#ifdef DIRECTSOUND_VERSION		
+#if DIRECTSOUND_VERSION >= 0x0800
+	__declspec(dllimport) HRESULT WINAPI EAXDirectSoundCreate8(GUID*, LPDIRECTSOUND8*, IUnknown FAR *);
+	typedef HRESULT (FAR PASCAL *LPEAXDIRECTSOUNDCREATE8)(GUID*, LPDIRECTSOUND8*, IUnknown FAR*);
+#endif
+#endif
+	
+	__declspec(dllimport) HRESULT WINAPI EAXDirectSoundCreate(GUID*, LPDIRECTSOUND*, IUnknown FAR *);
+	typedef HRESULT (FAR PASCAL *LPEAXDIRECTSOUNDCREATE)(GUID*, LPDIRECTSOUND*, IUnknown FAR*);
+
+	__declspec(dllimport) void CDECL GetCurrentVersion(LPDWORD major, LPDWORD minor);
+    typedef void (CDECL *LPGETCURRENTVERSION)(LPDWORD major, LPDWORD minor);
+
+
+#else // OPENAL
+	#include <al.h>
+	
+	#ifndef GUID_DEFINED
+		#define GUID_DEFINED
+		typedef struct _GUID
+		{
+			unsigned long Data1;
+			unsigned short Data2;
+			unsigned short Data3;
+			unsigned char Data4[8];
+		} GUID;
+	#endif // !GUID_DEFINED
+
+	#ifndef DEFINE_GUID
+		#ifndef INITGUID
+			#define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
+					extern const GUID /*FAR*/ name
+		#else
+			#define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
+					extern const GUID name = { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } }
+		#endif // INITGUID
+	#endif // DEFINE_GUID
+	
+
+	/*
+	 * EAX OpenAL Extension
+	 */
+	typedef ALenum (*EAXSet)(const GUID*, ALuint, ALuint, ALvoid*, ALuint);
+	typedef ALenum (*EAXGet)(const GUID*, ALuint, ALuint, ALvoid*, ALuint);
+#endif
+
+#pragma pack(push, 4)
+
+/*
+ * EAX 3.0 listener property set {A8FA6880-B476-11d3-BDB9-00C0F02DDF87}
+ */
+DEFINE_GUID(DSPROPSETID_EAX30_ListenerProperties, 
+	0xa8fa6882, 
+	0xb476, 
+	0x11d3, 
+	0xbd, 0xb9, 0x00, 0xc0, 0xf0, 0x2d, 0xdf, 0x87);
+
+// For compatibility with future EAX versions:
+#define DSPROPSETID_EAX_ListenerProperties DSPROPSETID_EAX30_ListenerProperties
+
+typedef enum
+{
+    DSPROPERTY_EAXLISTENER_NONE,
+    DSPROPERTY_EAXLISTENER_ALLPARAMETERS,
+    DSPROPERTY_EAXLISTENER_ENVIRONMENT,
+    DSPROPERTY_EAXLISTENER_ENVIRONMENTSIZE,
+    DSPROPERTY_EAXLISTENER_ENVIRONMENTDIFFUSION,
+    DSPROPERTY_EAXLISTENER_ROOM,
+    DSPROPERTY_EAXLISTENER_ROOMHF,
+    DSPROPERTY_EAXLISTENER_ROOMLF,
+    DSPROPERTY_EAXLISTENER_DECAYTIME,
+    DSPROPERTY_EAXLISTENER_DECAYHFRATIO,
+    DSPROPERTY_EAXLISTENER_DECAYLFRATIO,
+    DSPROPERTY_EAXLISTENER_REFLECTIONS,
+    DSPROPERTY_EAXLISTENER_REFLECTIONSDELAY,
+    DSPROPERTY_EAXLISTENER_REFLECTIONSPAN,
+    DSPROPERTY_EAXLISTENER_REVERB,
+    DSPROPERTY_EAXLISTENER_REVERBDELAY,
+    DSPROPERTY_EAXLISTENER_REVERBPAN,
+    DSPROPERTY_EAXLISTENER_ECHOTIME,
+    DSPROPERTY_EAXLISTENER_ECHODEPTH,
+    DSPROPERTY_EAXLISTENER_MODULATIONTIME,
+    DSPROPERTY_EAXLISTENER_MODULATIONDEPTH,
+    DSPROPERTY_EAXLISTENER_AIRABSORPTIONHF,
+    DSPROPERTY_EAXLISTENER_HFREFERENCE,
+    DSPROPERTY_EAXLISTENER_LFREFERENCE,
+    DSPROPERTY_EAXLISTENER_ROOMROLLOFFFACTOR,
+    DSPROPERTY_EAXLISTENER_FLAGS
+} DSPROPERTY_EAX_LISTENERPROPERTY;
+
+// OR these flags with property id
+#define DSPROPERTY_EAXLISTENER_IMMEDIATE 0x00000000 // changes take effect immediately
+#define DSPROPERTY_EAXLISTENER_DEFERRED  0x80000000 // changes take effect later
+#define DSPROPERTY_EAXLISTENER_COMMITDEFERREDSETTINGS (DSPROPERTY_EAXLISTENER_NONE | \
+                                                       DSPROPERTY_EAXLISTENER_IMMEDIATE)
+
+typedef struct _EAXVECTOR {
+	float x;
+	float y;
+	float z;
+} EAXVECTOR;
+
+// Use this structure for DSPROPERTY_EAXLISTENER_ALLPARAMETERS
+// - all levels are hundredths of decibels
+// - all times and delays are in seconds
+//
+// NOTE: This structure may change in future EAX versions.
+//       It is recommended to initialize fields by name:
+//              myListener.lRoom = -1000;
+//              myListener.lRoomHF = -100;
+//              ...
+//              myListener.dwFlags = myFlags /* see EAXLISTENERFLAGS below */ ;
+//       instead of:
+//              myListener = { -1000, -100, ... , 0x00000009 };
+//       If you want to save and load presets in binary form, you 
+//       should define your own structure to insure future compatibility.
+//
+typedef struct _EAXLISTENERPROPERTIES
+{
+    unsigned long ulEnvironment;   // sets all listener properties
+    float flEnvironmentSize;       // environment size in meters
+    float flEnvironmentDiffusion;  // environment diffusion
+    long lRoom;                    // room effect level (at mid frequencies)
+    long lRoomHF;                  // relative room effect level at high frequencies
+    long lRoomLF;                  // relative room effect level at low frequencies  
+    float flDecayTime;             // reverberation decay time at mid frequencies
+    float flDecayHFRatio;          // high-frequency to mid-frequency decay time ratio
+    float flDecayLFRatio;          // low-frequency to mid-frequency decay time ratio   
+    long lReflections;             // early reflections level relative to room effect
+    float flReflectionsDelay;      // initial reflection delay time
+    EAXVECTOR vReflectionsPan;     // early reflections panning vector
+    long lReverb;                  // late reverberation level relative to room effect
+    float flReverbDelay;           // late reverberation delay time relative to initial reflection
+    EAXVECTOR vReverbPan;          // late reverberation panning vector
+    float flEchoTime;              // echo time
+    float flEchoDepth;             // echo depth
+    float flModulationTime;        // modulation time
+    float flModulationDepth;       // modulation depth
+    float flAirAbsorptionHF;       // change in level per meter at high frequencies
+    float flHFReference;           // reference high frequency
+    float flLFReference;           // reference low frequency 
+    float flRoomRolloffFactor;     // like DS3D flRolloffFactor but for room effect
+    unsigned long ulFlags;         // modifies the behavior of properties
+} EAXLISTENERPROPERTIES, *LPEAXLISTENERPROPERTIES;
+
+// used by DSPROPERTY_EAXLISTENER_ENVIRONMENT
+enum
+{
+    EAX_ENVIRONMENT_GENERIC,
+    EAX_ENVIRONMENT_PADDEDCELL,
+    EAX_ENVIRONMENT_ROOM,
+    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_UNDEFINED,
+
+    EAX_ENVIRONMENT_COUNT
+};
+
+// Used by DSPROPERTY_EAXLISTENER_FLAGS
+//
+// Note: The number and order of flags may change in future EAX versions.
+//       It is recommended to use the flag defines as follows:
+//              myFlags = EAXLISTENERFLAGS_DECAYTIMESCALE | EAXLISTENERFLAGS_REVERBSCALE;
+//       instead of:
+//              myFlags = 0x00000009;
+//
+// These flags determine what properties are affected by environment size.
+#define EAXLISTENERFLAGS_DECAYTIMESCALE        0x00000001 // reverberation decay time
+#define EAXLISTENERFLAGS_REFLECTIONSSCALE      0x00000002 // reflection level
+#define EAXLISTENERFLAGS_REFLECTIONSDELAYSCALE 0x00000004 // initial reflection delay time
+#define EAXLISTENERFLAGS_REVERBSCALE           0x00000008 // reflections level
+#define EAXLISTENERFLAGS_REVERBDELAYSCALE      0x00000010 // late reverberation delay time
+#define EAXLISTENERFLAGS_ECHOTIMESCALE         0x00000040 // echo time
+#define EAXLISTENERFLAGS_MODULATIONTIMESCALE   0x00000080 // modulation time
+
+// This flag limits high-frequency decay time according to air absorption.
+#define EAXLISTENERFLAGS_DECAYHFLIMIT          0x00000020
+ 
+#define EAXLISTENERFLAGS_RESERVED              0xFFFFFF00 // reserved future use
+
+// Property ranges and defaults:
+
+#define EAXLISTENER_MINENVIRONMENT                0
+#define EAXLISTENER_MAXENVIRONMENT                (EAX_ENVIRONMENT_COUNT-1)
+#define EAXLISTENER_DEFAULTENVIRONMENT            EAX_ENVIRONMENT_GENERIC
+
+#define EAXLISTENER_MINENVIRONMENTSIZE            1.0f
+#define EAXLISTENER_MAXENVIRONMENTSIZE            100.0f
+#define EAXLISTENER_DEFAULTENVIRONMENTSIZE        7.5f
+
+#define EAXLISTENER_MINENVIRONMENTDIFFUSION       0.0f
+#define EAXLISTENER_MAXENVIRONMENTDIFFUSION       1.0f
+#define EAXLISTENER_DEFAULTENVIRONMENTDIFFUSION   1.0f
+
+#define EAXLISTENER_MINROOM                       (-10000)
+#define EAXLISTENER_MAXROOM                       0
+#define EAXLISTENER_DEFAULTROOM                   (-1000)
+
+#define EAXLISTENER_MINROOMHF                     (-10000)
+#define EAXLISTENER_MAXROOMHF                     0
+#define EAXLISTENER_DEFAULTROOMHF                 (-100)
+
+#define EAXLISTENER_MINROOMLF                     (-10000)
+#define EAXLISTENER_MAXROOMLF                     0
+#define EAXLISTENER_DEFAULTROOMLF                 0
+
+#define EAXLISTENER_MINDECAYTIME                  0.1f
+#define EAXLISTENER_MAXDECAYTIME                  20.0f
+#define EAXLISTENER_DEFAULTDECAYTIME              1.49f
+
+#define EAXLISTENER_MINDECAYHFRATIO               0.1f
+#define EAXLISTENER_MAXDECAYHFRATIO               2.0f
+#define EAXLISTENER_DEFAULTDECAYHFRATIO           0.83f
+
+#define EAXLISTENER_MINDECAYLFRATIO               0.1f
+#define EAXLISTENER_MAXDECAYLFRATIO               2.0f
+#define EAXLISTENER_DEFAULTDECAYLFRATIO           1.00f
+
+#define EAXLISTENER_MINREFLECTIONS                (-10000)
+#define EAXLISTENER_MAXREFLECTIONS                1000
+#define EAXLISTENER_DEFAULTREFLECTIONS            (-2602)
+
+#define EAXLISTENER_MINREFLECTIONSDELAY           0.0f
+#define EAXLISTENER_MAXREFLECTIONSDELAY           0.3f
+#define EAXLISTENER_DEFAULTREFLECTIONSDELAY       0.007f
+
+#define EAXLISTENER_MINREVERB                     (-10000)
+#define EAXLISTENER_MAXREVERB                     2000
+#define EAXLISTENER_DEFAULTREVERB                 200
+
+#define EAXLISTENER_MINREVERBDELAY                0.0f
+#define EAXLISTENER_MAXREVERBDELAY                0.1f
+#define EAXLISTENER_DEFAULTREVERBDELAY            0.011f
+
+#define EAXLISTENER_MINECHOTIME                   0.075f
+#define EAXLISTENER_MAXECHOTIME	                  0.25f
+#define EAXLISTENER_DEFAULTECHOTIME               0.25f
+
+#define EAXLISTENER_MINECHODEPTH                  0.0f
+#define EAXLISTENER_MAXECHODEPTH                  1.0f
+#define EAXLISTENER_DEFAULTECHODEPTH              0.0f
+
+#define EAXLISTENER_MINMODULATIONTIME             0.04f
+#define EAXLISTENER_MAXMODULATIONTIME             4.0f
+#define EAXLISTENER_DEFAULTMODULATIONTIME         0.25f
+
+#define EAXLISTENER_MINMODULATIONDEPTH            0.0f
+#define EAXLISTENER_MAXMODULATIONDEPTH            1.0f
+#define EAXLISTENER_DEFAULTMODULATIONDEPTH        0.0f
+
+#define EAXLISTENER_MINAIRABSORPTIONHF            (-100.0f)
+#define EAXLISTENER_MAXAIRABSORPTIONHF            0.0f
+#define EAXLISTENER_DEFAULTAIRABSORPTIONHF        (-5.0f)
+
+#define EAXLISTENER_MINHFREFERENCE                1000.0f
+#define EAXLISTENER_MAXHFREFERENCE                20000.0f
+#define EAXLISTENER_DEFAULTHFREFERENCE            5000.0f
+
+#define EAXLISTENER_MINLFREFERENCE                20.0f
+#define EAXLISTENER_MAXLFREFERENCE                1000.0f
+#define EAXLISTENER_DEFAULTLFREFERENCE            250.0f
+
+#define EAXLISTENER_MINROOMROLLOFFFACTOR          0.0f
+#define EAXLISTENER_MAXROOMROLLOFFFACTOR          10.0f
+#define EAXLISTENER_DEFAULTROOMROLLOFFFACTOR      0.0f
+
+#define EAXLISTENER_DEFAULTFLAGS                  (EAXLISTENERFLAGS_DECAYTIMESCALE |        \
+                                                   EAXLISTENERFLAGS_REFLECTIONSSCALE |      \
+                                                   EAXLISTENERFLAGS_REFLECTIONSDELAYSCALE | \
+                                                   EAXLISTENERFLAGS_REVERBSCALE |           \
+                                                   EAXLISTENERFLAGS_REVERBDELAYSCALE |      \
+                                                   EAXLISTENERFLAGS_DECAYHFLIMIT)
+
+
+
+/*
+* EAX 3.0 buffer property set {A8FA6881-B476-11d3-BDB9-00C0F02DDF87}
+*/
+DEFINE_GUID(DSPROPSETID_EAX30_BufferProperties, 
+	0xa8fa6881, 
+	0xb476, 
+	0x11d3, 
+	0xbd, 0xb9, 0x0, 0xc0, 0xf0, 0x2d, 0xdf, 0x87);
+
+// For compatibility with future EAX versions:
+#define DSPROPSETID_EAX_BufferProperties DSPROPSETID_EAX30_BufferProperties
+#define DSPROPSETID_EAX_SourceProperties DSPROPSETID_EAX30_BufferProperties
+
+typedef enum
+{
+    DSPROPERTY_EAXBUFFER_NONE,
+    DSPROPERTY_EAXBUFFER_ALLPARAMETERS,
+    DSPROPERTY_EAXBUFFER_OBSTRUCTIONPARAMETERS,
+    DSPROPERTY_EAXBUFFER_OCCLUSIONPARAMETERS,
+    DSPROPERTY_EAXBUFFER_EXCLUSIONPARAMETERS,
+    DSPROPERTY_EAXBUFFER_DIRECT,
+    DSPROPERTY_EAXBUFFER_DIRECTHF,
+    DSPROPERTY_EAXBUFFER_ROOM,
+    DSPROPERTY_EAXBUFFER_ROOMHF,
+    DSPROPERTY_EAXBUFFER_OBSTRUCTION,
+    DSPROPERTY_EAXBUFFER_OBSTRUCTIONLFRATIO,
+    DSPROPERTY_EAXBUFFER_OCCLUSION, 
+    DSPROPERTY_EAXBUFFER_OCCLUSIONLFRATIO,
+    DSPROPERTY_EAXBUFFER_OCCLUSIONROOMRATIO,
+    DSPROPERTY_EAXBUFFER_OCCLUSIONDIRECTRATIO,
+    DSPROPERTY_EAXBUFFER_EXCLUSION, 
+    DSPROPERTY_EAXBUFFER_EXCLUSIONLFRATIO,
+    DSPROPERTY_EAXBUFFER_OUTSIDEVOLUMEHF, 
+    DSPROPERTY_EAXBUFFER_DOPPLERFACTOR, 
+    DSPROPERTY_EAXBUFFER_ROLLOFFFACTOR, 
+    DSPROPERTY_EAXBUFFER_ROOMROLLOFFFACTOR,
+    DSPROPERTY_EAXBUFFER_AIRABSORPTIONFACTOR,
+    DSPROPERTY_EAXBUFFER_FLAGS
+} DSPROPERTY_EAX_BUFFERPROPERTY;    
+
+// OR these flags with property id
+#define DSPROPERTY_EAXBUFFER_IMMEDIATE 0x00000000 // changes take effect immediately
+#define DSPROPERTY_EAXBUFFER_DEFERRED  0x80000000 // changes take effect later
+#define DSPROPERTY_EAXBUFFER_COMMITDEFERREDSETTINGS (DSPROPERTY_EAXBUFFER_NONE | \
+                                                     DSPROPERTY_EAXBUFFER_IMMEDIATE)
+
+// Use this structure for DSPROPERTY_EAXBUFFER_ALLPARAMETERS
+// - all levels are hundredths of decibels
+// - all delays are in seconds
+//
+// NOTE: This structure may change in future EAX versions.
+//       It is recommended to initialize fields by name:
+//              myBuffer.lDirect = 0;
+//              myBuffer.lDirectHF = -200;
+//              ...
+//              myBuffer.dwFlags = myFlags /* see EAXBUFFERFLAGS below */ ;
+//       instead of:
+//              myBuffer = { 0, -200, ... , 0x00000003 };
+//
+typedef struct _EAXBUFFERPROPERTIES
+{
+    long lDirect;                 // direct path level (at low and mid frequencies)
+    long lDirectHF;               // relative direct path level at high frequencies
+    long lRoom;                   // room effect level (at low and mid frequencies)
+    long lRoomHF;                 // relative room effect level at high frequencies
+    long lObstruction;            // main obstruction control (attenuation at high frequencies) 
+    float flObstructionLFRatio;   // obstruction low-frequency level re. main control
+    long lOcclusion;              // main occlusion control (attenuation at high frequencies)
+    float flOcclusionLFRatio;     // occlusion low-frequency level re. main control
+    float flOcclusionRoomRatio;   // relative occlusion control for room effect
+    float flOcclusionDirectRatio; // relative occlusion control for direct path
+    long lExclusion;              // main exlusion control (attenuation at high frequencies)
+    float flExclusionLFRatio;     // exclusion low-frequency level re. main control
+    long lOutsideVolumeHF;        // outside sound cone level at high frequencies
+    float flDopplerFactor;        // like DS3D flDopplerFactor but per source
+    float flRolloffFactor;        // like DS3D flRolloffFactor but per source
+    float flRoomRolloffFactor;    // like DS3D flRolloffFactor but for room effect
+    float flAirAbsorptionFactor;  // multiplies DSPROPERTY_EAXLISTENER_AIRABSORPTIONHF
+    unsigned long ulFlags;        // modifies the behavior of properties
+} EAXBUFFERPROPERTIES, *LPEAXBUFFERPROPERTIES;
+
+// Use this structure for DSPROPERTY_EAXBUFFER_OBSTRUCTION,
+typedef struct _EAXOBSTRUCTIONPROPERTIES
+{
+    long lObstruction;
+    float flObstructionLFRatio;
+} EAXOBSTRUCTIONPROPERTIES, *LPEAXOBSTRUCTIONPROPERTIES;
+
+// Use this structure for DSPROPERTY_EAXBUFFER_OCCLUSION
+typedef struct _EAXOCCLUSIONPROPERTIES
+{
+    long lOcclusion;
+    float flOcclusionLFRatio;
+    float flOcclusionRoomRatio;
+    float flOcclusionDirectRatio;
+} EAXOCCLUSIONPROPERTIES, *LPEAXOCCLUSIONPROPERTIES;
+
+// Use this structure for DSPROPERTY_EAXBUFFER_EXCLUSION
+typedef struct _EAXEXCLUSIONPROPERTIES
+{
+    long lExclusion;
+    float flExclusionLFRatio;
+} EAXEXCLUSIONPROPERTIES, *LPEAXEXCLUSIONPROPERTIES;
+
+// Used by DSPROPERTY_EAXBUFFER_FLAGS
+//    TRUE:    value is computed automatically - property is an offset
+//    FALSE:   value is used directly
+//
+// Note: The number and order of flags may change in future EAX versions.
+//       To insure future compatibility, use flag defines as follows:
+//              myFlags = EAXBUFFERFLAGS_DIRECTHFAUTO | EAXBUFFERFLAGS_ROOMAUTO;
+//       instead of:
+//              myFlags = 0x00000003;
+//
+#define EAXBUFFERFLAGS_DIRECTHFAUTO          0x00000001 // affects DSPROPERTY_EAXBUFFER_DIRECTHF
+#define EAXBUFFERFLAGS_ROOMAUTO              0x00000002 // affects DSPROPERTY_EAXBUFFER_ROOM
+#define EAXBUFFERFLAGS_ROOMHFAUTO            0x00000004 // affects DSPROPERTY_EAXBUFFER_ROOMHF
+
+#define EAXBUFFERFLAGS_RESERVED              0xFFFFFFF8 // reserved future use
+
+// Property ranges and defaults:
+
+#define EAXBUFFER_MINDIRECT                    (-10000)
+#define EAXBUFFER_MAXDIRECT                    1000
+#define EAXBUFFER_DEFAULTDIRECT                0
+
+#define EAXBUFFER_MINDIRECTHF                  (-10000)
+#define EAXBUFFER_MAXDIRECTHF                  0
+#define EAXBUFFER_DEFAULTDIRECTHF              0
+
+#define EAXBUFFER_MINROOM                      (-10000)
+#define EAXBUFFER_MAXROOM                      1000
+#define EAXBUFFER_DEFAULTROOM                  0
+
+#define EAXBUFFER_MINROOMHF                    (-10000)
+#define EAXBUFFER_MAXROOMHF                    0
+#define EAXBUFFER_DEFAULTROOMHF                0
+
+#define EAXBUFFER_MINOBSTRUCTION               (-10000)
+#define EAXBUFFER_MAXOBSTRUCTION               0
+#define EAXBUFFER_DEFAULTOBSTRUCTION           0
+
+#define EAXBUFFER_MINOBSTRUCTIONLFRATIO        0.0f
+#define EAXBUFFER_MAXOBSTRUCTIONLFRATIO        1.0f
+#define EAXBUFFER_DEFAULTOBSTRUCTIONLFRATIO    0.0f
+
+#define EAXBUFFER_MINOCCLUSION                 (-10000)
+#define EAXBUFFER_MAXOCCLUSION                 0
+#define EAXBUFFER_DEFAULTOCCLUSION             0
+
+#define EAXBUFFER_MINOCCLUSIONLFRATIO          0.0f
+#define EAXBUFFER_MAXOCCLUSIONLFRATIO          1.0f
+#define EAXBUFFER_DEFAULTOCCLUSIONLFRATIO      0.25f
+
+#define EAXBUFFER_MINOCCLUSIONROOMRATIO        0.0f
+#define EAXBUFFER_MAXOCCLUSIONROOMRATIO        10.0f
+#define EAXBUFFER_DEFAULTOCCLUSIONROOMRATIO    1.5f
+
+#define EAXBUFFER_MINOCCLUSIONDIRECTRATIO      0.0f
+#define EAXBUFFER_MAXOCCLUSIONDIRECTRATIO      10.0f
+#define EAXBUFFER_DEFAULTOCCLUSIONDIRECTRATIO  1.0f
+
+#define EAXBUFFER_MINEXCLUSION                 (-10000)
+#define EAXBUFFER_MAXEXCLUSION                 0
+#define EAXBUFFER_DEFAULTEXCLUSION             0
+
+#define EAXBUFFER_MINEXCLUSIONLFRATIO          0.0f
+#define EAXBUFFER_MAXEXCLUSIONLFRATIO          1.0f
+#define EAXBUFFER_DEFAULTEXCLUSIONLFRATIO      1.0f
+
+#define EAXBUFFER_MINOUTSIDEVOLUMEHF           (-10000)
+#define EAXBUFFER_MAXOUTSIDEVOLUMEHF           0
+#define EAXBUFFER_DEFAULTOUTSIDEVOLUMEHF       0
+
+#define EAXBUFFER_MINDOPPLERFACTOR             0.0f
+#define EAXBUFFER_MAXDOPPLERFACTOR             10.f
+#define EAXBUFFER_DEFAULTDOPPLERFACTOR         0.0f
+
+#define EAXBUFFER_MINROLLOFFFACTOR             0.0f
+#define EAXBUFFER_MAXROLLOFFFACTOR             10.f
+#define EAXBUFFER_DEFAULTROLLOFFFACTOR         0.0f
+
+#define EAXBUFFER_MINROOMROLLOFFFACTOR         0.0f
+#define EAXBUFFER_MAXROOMROLLOFFFACTOR         10.f
+#define EAXBUFFER_DEFAULTROOMROLLOFFFACTOR     0.0f
+
+#define EAXBUFFER_MINAIRABSORPTIONFACTOR       0.0f
+#define EAXBUFFER_MAXAIRABSORPTIONFACTOR       10.0f
+#define EAXBUFFER_DEFAULTAIRABSORPTIONFACTOR   1.0f
+
+#define EAXBUFFER_DEFAULTFLAGS                 (EAXBUFFERFLAGS_DIRECTHFAUTO |       \
+                                                EAXBUFFERFLAGS_ROOMAUTO |           \
+                                                EAXBUFFERFLAGS_ROOMHFAUTO )
+
+#pragma pack(pop)
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif