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178 lines
5.1 KiB
C
178 lines
5.1 KiB
C
/* FAudio - XAudio Reimplementation for FNA
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*
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* Copyright (c) 2011-2022 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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#ifndef FAPOFX_H
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#define FAPOFX_H
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#include "FAPO.h"
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#define FAPOFXAPI FAUDIOAPI
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* GUIDs */
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/* "Legacy" GUIDs are from XAPOFX <= 1.5. They were removed in XAudio 2.8 and later. */
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extern const FAudioGUID FAPOFX_CLSID_FXEQ, FAPOFX_CLSID_FXEQ_LEGACY;
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extern const FAudioGUID FAPOFX_CLSID_FXMasteringLimiter, FAPOFX_CLSID_FXMasteringLimiter_LEGACY;
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extern const FAudioGUID FAPOFX_CLSID_FXReverb, FAPOFX_CLSID_FXReverb_LEGACY;
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extern const FAudioGUID FAPOFX_CLSID_FXEcho, FAPOFX_CLSID_FXEcho_LEGACY;
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/* Structures */
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#pragma pack(push, 1)
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/* See FAPOFXEQ_* constants below.
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* FrequencyCenter is in Hz, Gain is amplitude ratio, Bandwidth is Q factor.
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*/
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typedef struct FAPOFXEQParameters
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{
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float FrequencyCenter0;
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float Gain0;
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float Bandwidth0;
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float FrequencyCenter1;
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float Gain1;
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float Bandwidth1;
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float FrequencyCenter2;
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float Gain2;
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float Bandwidth2;
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float FrequencyCenter3;
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float Gain3;
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float Bandwidth3;
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} FAPOFXEQParameters;
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/* See FAPOFXMASTERINGLIMITER_* constants below. */
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typedef struct FAPOFXMasteringLimiterParameters
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{
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uint32_t Release; /* In milliseconds */
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uint32_t Loudness; /* In... uh, MSDN doesn't actually say what. */
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} FAPOFXMasteringLimiterParameters;
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/* See FAPOFXREVERB_* constants below.
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* Both parameters are arbitrary and should be treated subjectively.
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*/
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typedef struct FAPOFXReverbParameters
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{
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float Diffusion;
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float RoomSize;
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} FAPOFXReverbParameters;
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/* See FAPOFXECHO_* constants below. */
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typedef struct FAPOFXEchoParameters
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{
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float WetDryMix; /* Percentage of processed signal vs original */
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float Feedback; /* Percentage to feed back into input */
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float Delay; /* In milliseconds */
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} FAPOFXEchoParameters;
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#pragma pack(pop)
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/* Constants */
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#define FAPOFXEQ_MIN_FRAMERATE 22000
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#define FAPOFXEQ_MAX_FRAMERATE 48000
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#define FAPOFXEQ_MIN_FREQUENCY_CENTER 20.0f
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#define FAPOFXEQ_MAX_FREQUENCY_CENTER 20000.0f
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#define FAPOFXEQ_DEFAULT_FREQUENCY_CENTER_0 100.0f
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#define FAPOFXEQ_DEFAULT_FREQUENCY_CENTER_1 800.0f
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#define FAPOFXEQ_DEFAULT_FREQUENCY_CENTER_2 2000.0f
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#define FAPOFXEQ_DEFAULT_FREQUENCY_CENTER_3 10000.0f
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#define FAPOFXEQ_MIN_GAIN 0.126f
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#define FAPOFXEQ_MAX_GAIN 7.94f
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#define FAPOFXEQ_DEFAULT_GAIN 1.0f
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#define FAPOFXEQ_MIN_BANDWIDTH 0.1f
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#define FAPOFXEQ_MAX_BANDWIDTH 2.0f
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#define FAPOFXEQ_DEFAULT_BANDWIDTH 1.0f
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#define FAPOFXMASTERINGLIMITER_MIN_RELEASE 1
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#define FAPOFXMASTERINGLIMITER_MAX_RELEASE 20
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#define FAPOFXMASTERINGLIMITER_DEFAULT_RELEASE 6
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#define FAPOFXMASTERINGLIMITER_MIN_LOUDNESS 1
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#define FAPOFXMASTERINGLIMITER_MAX_LOUDNESS 1800
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#define FAPOFXMASTERINGLIMITER_DEFAULT_LOUDNESS 1000
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#define FAPOFXREVERB_MIN_DIFFUSION 0.0f
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#define FAPOFXREVERB_MAX_DIFFUSION 1.0f
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#define FAPOFXREVERB_DEFAULT_DIFFUSION 0.9f
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#define FAPOFXREVERB_MIN_ROOMSIZE 0.0001f
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#define FAPOFXREVERB_MAX_ROOMSIZE 1.0f
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#define FAPOFXREVERB_DEFAULT_ROOMSIZE 0.6f
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#define FAPOFXECHO_MIN_WETDRYMIX 0.0f
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#define FAPOFXECHO_MAX_WETDRYMIX 1.0f
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#define FAPOFXECHO_DEFAULT_WETDRYMIX 0.5f
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#define FAPOFXECHO_MIN_FEEDBACK 0.0f
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#define FAPOFXECHO_MAX_FEEDBACK 1.0f
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#define FAPOFXECHO_DEFAULT_FEEDBACK 0.5f
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#define FAPOFXECHO_MIN_DELAY 1.0f
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#define FAPOFXECHO_MAX_DELAY 2000.0f
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#define FAPOFXECHO_DEFAULT_DELAY 500.0f
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/* Functions */
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/* Creates an effect from the pre-made FAPOFX effect library.
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*
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* clsid: A reference to one of the FAPOFX_CLSID_* GUIDs
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* pEffect: Filled with the resulting FAPO object
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* pInitData: Starting parameters, pass NULL to use the default values
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* InitDataByteSize: Parameter struct size, pass 0 if pInitData is NULL
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*
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* Returns 0 on success.
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*/
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FAPOFXAPI uint32_t FAPOFX_CreateFX(
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const FAudioGUID *clsid,
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FAPO **pEffect,
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const void *pInitData,
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uint32_t InitDataByteSize
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);
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/* See "extensions/CustomAllocatorEXT.txt" for more details. */
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FAPOFXAPI uint32_t FAPOFX_CreateFXWithCustomAllocatorEXT(
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const FAudioGUID *clsid,
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FAPO **pEffect,
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const void *pInitData,
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uint32_t InitDataByteSize,
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FAudioMallocFunc customMalloc,
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FAudioFreeFunc customFree,
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FAudioReallocFunc customRealloc
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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 /* FAPOFX_H */
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/* vim: set noexpandtab shiftwidth=8 tabstop=8: */
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