263 lines
6.7 KiB
C
263 lines
6.7 KiB
C
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/* FAudio - XAudio Reimplementation for FNA
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*
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* Copyright (c) 2011-2021 Ethan Lee, Luigi Auriemma, and the MonoGame Team
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software in a
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* product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*
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* Ethan "flibitijibibo" Lee <flibitijibibo@flibitijibibo.com>
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*
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*/
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/* This file has no documentation since the MSDN docs are still perfectly fine:
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* https://docs.microsoft.com/en-us/windows/desktop/api/x3daudio/
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*/
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#ifndef F3DAUDIO_H
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#define F3DAUDIO_H
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#ifdef _WIN32
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#define F3DAUDIOAPI
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#else
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#define F3DAUDIOAPI
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#endif
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* Constants */
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#ifndef _SPEAKER_POSITIONS_
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#define SPEAKER_FRONT_LEFT 0x00000001
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#define SPEAKER_FRONT_RIGHT 0x00000002
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#define SPEAKER_FRONT_CENTER 0x00000004
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#define SPEAKER_LOW_FREQUENCY 0x00000008
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#define SPEAKER_BACK_LEFT 0x00000010
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#define SPEAKER_BACK_RIGHT 0x00000020
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#define SPEAKER_FRONT_LEFT_OF_CENTER 0x00000040
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#define SPEAKER_FRONT_RIGHT_OF_CENTER 0x00000080
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#define SPEAKER_BACK_CENTER 0x00000100
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#define SPEAKER_SIDE_LEFT 0x00000200
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#define SPEAKER_SIDE_RIGHT 0x00000400
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#define SPEAKER_TOP_CENTER 0x00000800
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#define SPEAKER_TOP_FRONT_LEFT 0x00001000
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#define SPEAKER_TOP_FRONT_CENTER 0x00002000
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#define SPEAKER_TOP_FRONT_RIGHT 0x00004000
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#define SPEAKER_TOP_BACK_LEFT 0x00008000
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#define SPEAKER_TOP_BACK_CENTER 0x00010000
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#define SPEAKER_TOP_BACK_RIGHT 0x00020000
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#define _SPEAKER_POSITIONS_
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#endif
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#ifndef SPEAKER_MONO
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#define SPEAKER_MONO SPEAKER_FRONT_CENTER
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#define SPEAKER_STEREO (SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT)
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#define SPEAKER_2POINT1 \
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( SPEAKER_FRONT_LEFT | \
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SPEAKER_FRONT_RIGHT | \
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SPEAKER_LOW_FREQUENCY )
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#define SPEAKER_SURROUND \
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( SPEAKER_FRONT_LEFT | \
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SPEAKER_FRONT_RIGHT | \
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SPEAKER_FRONT_CENTER | \
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SPEAKER_BACK_CENTER )
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#define SPEAKER_QUAD \
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( SPEAKER_FRONT_LEFT | \
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SPEAKER_FRONT_RIGHT | \
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SPEAKER_BACK_LEFT | \
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SPEAKER_BACK_RIGHT )
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#define SPEAKER_4POINT1 \
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( SPEAKER_FRONT_LEFT | \
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SPEAKER_FRONT_RIGHT | \
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SPEAKER_LOW_FREQUENCY | \
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SPEAKER_BACK_LEFT | \
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SPEAKER_BACK_RIGHT )
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#define SPEAKER_5POINT1 \
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( SPEAKER_FRONT_LEFT | \
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SPEAKER_FRONT_RIGHT | \
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SPEAKER_FRONT_CENTER | \
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SPEAKER_LOW_FREQUENCY | \
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SPEAKER_BACK_LEFT | \
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SPEAKER_BACK_RIGHT )
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#define SPEAKER_7POINT1 \
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( SPEAKER_FRONT_LEFT | \
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SPEAKER_FRONT_RIGHT | \
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SPEAKER_FRONT_CENTER | \
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SPEAKER_LOW_FREQUENCY | \
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SPEAKER_BACK_LEFT | \
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SPEAKER_BACK_RIGHT | \
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SPEAKER_FRONT_LEFT_OF_CENTER | \
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SPEAKER_FRONT_RIGHT_OF_CENTER )
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#define SPEAKER_5POINT1_SURROUND \
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( SPEAKER_FRONT_LEFT | \
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SPEAKER_FRONT_RIGHT | \
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SPEAKER_FRONT_CENTER | \
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SPEAKER_LOW_FREQUENCY | \
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SPEAKER_SIDE_LEFT | \
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SPEAKER_SIDE_RIGHT )
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#define SPEAKER_7POINT1_SURROUND \
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( SPEAKER_FRONT_LEFT | \
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SPEAKER_FRONT_RIGHT | \
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SPEAKER_FRONT_CENTER | \
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SPEAKER_LOW_FREQUENCY | \
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SPEAKER_BACK_LEFT | \
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SPEAKER_BACK_RIGHT | \
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SPEAKER_SIDE_LEFT | \
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SPEAKER_SIDE_RIGHT )
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#define SPEAKER_XBOX SPEAKER_5POINT1
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#endif
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#define F3DAUDIO_PI 3.141592654f
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#define F3DAUDIO_2PI 6.283185307f
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#define F3DAUDIO_CALCULATE_MATRIX 0x00000001
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#define F3DAUDIO_CALCULATE_DELAY 0x00000002
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#define F3DAUDIO_CALCULATE_LPF_DIRECT 0x00000004
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#define F3DAUDIO_CALCULATE_LPF_REVERB 0x00000008
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#define F3DAUDIO_CALCULATE_REVERB 0x00000010
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#define F3DAUDIO_CALCULATE_DOPPLER 0x00000020
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#define F3DAUDIO_CALCULATE_EMITTER_ANGLE 0x00000040
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#define F3DAUDIO_CALCULATE_ZEROCENTER 0x00010000
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#define F3DAUDIO_CALCULATE_REDIRECT_TO_LFE 0x00020000
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/* Type Declarations */
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#define F3DAUDIO_HANDLE_BYTESIZE 20
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typedef uint8_t F3DAUDIO_HANDLE[F3DAUDIO_HANDLE_BYTESIZE];
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/* Structures */
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#pragma pack(push, 1)
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typedef struct F3DAUDIO_VECTOR
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{
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float x;
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float y;
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float z;
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} F3DAUDIO_VECTOR;
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typedef struct F3DAUDIO_DISTANCE_CURVE_POINT
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{
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float Distance;
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float DSPSetting;
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} F3DAUDIO_DISTANCE_CURVE_POINT;
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typedef struct F3DAUDIO_DISTANCE_CURVE
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{
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F3DAUDIO_DISTANCE_CURVE_POINT *pPoints;
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uint32_t PointCount;
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} F3DAUDIO_DISTANCE_CURVE;
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typedef struct F3DAUDIO_CONE
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{
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float InnerAngle;
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float OuterAngle;
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float InnerVolume;
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float OuterVolume;
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float InnerLPF;
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float OuterLPF;
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float InnerReverb;
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float OuterReverb;
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} F3DAUDIO_CONE;
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typedef struct F3DAUDIO_LISTENER
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{
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F3DAUDIO_VECTOR OrientFront;
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F3DAUDIO_VECTOR OrientTop;
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F3DAUDIO_VECTOR Position;
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F3DAUDIO_VECTOR Velocity;
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F3DAUDIO_CONE *pCone;
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} F3DAUDIO_LISTENER;
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typedef struct F3DAUDIO_EMITTER
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{
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F3DAUDIO_CONE *pCone;
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F3DAUDIO_VECTOR OrientFront;
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F3DAUDIO_VECTOR OrientTop;
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F3DAUDIO_VECTOR Position;
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F3DAUDIO_VECTOR Velocity;
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float InnerRadius;
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float InnerRadiusAngle;
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uint32_t ChannelCount;
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float ChannelRadius;
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float *pChannelAzimuths;
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F3DAUDIO_DISTANCE_CURVE *pVolumeCurve;
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F3DAUDIO_DISTANCE_CURVE *pLFECurve;
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F3DAUDIO_DISTANCE_CURVE *pLPFDirectCurve;
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F3DAUDIO_DISTANCE_CURVE *pLPFReverbCurve;
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F3DAUDIO_DISTANCE_CURVE *pReverbCurve;
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float CurveDistanceScaler;
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float DopplerScaler;
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} F3DAUDIO_EMITTER;
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#ifndef F3DAUDIO_DSP_SETTINGS_DECL
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#define F3DAUDIO_DSP_SETTINGS_DECL
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typedef struct F3DAUDIO_DSP_SETTINGS F3DAUDIO_DSP_SETTINGS;
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#endif /* F3DAUDIO_DSP_SETTINGS_DECL */
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struct F3DAUDIO_DSP_SETTINGS
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{
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float *pMatrixCoefficients;
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float *pDelayTimes;
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uint32_t SrcChannelCount;
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uint32_t DstChannelCount;
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float LPFDirectCoefficient;
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float LPFReverbCoefficient;
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float ReverbLevel;
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float DopplerFactor;
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float EmitterToListenerAngle;
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float EmitterToListenerDistance;
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float EmitterVelocityComponent;
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float ListenerVelocityComponent;
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};
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#pragma pack(pop)
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/* Functions */
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F3DAUDIOAPI void F3DAudioInitialize(
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uint32_t SpeakerChannelMask,
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float SpeedOfSound,
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F3DAUDIO_HANDLE Instance
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);
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F3DAUDIOAPI uint32_t F3DAudioInitialize8(
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uint32_t SpeakerChannelMask,
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float SpeedOfSound,
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F3DAUDIO_HANDLE Instance
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);
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F3DAUDIOAPI void F3DAudioCalculate(
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const F3DAUDIO_HANDLE Instance,
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const F3DAUDIO_LISTENER *pListener,
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const F3DAUDIO_EMITTER *pEmitter,
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uint32_t Flags,
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F3DAUDIO_DSP_SETTINGS *pDSPSettings
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);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* F3DAUDIO_H */
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/* vim: set noexpandtab shiftwidth=8 tabstop=8: */
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