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+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 2008 by authors.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#ifndef AL_ALEXT_H
+#define AL_ALEXT_H
+
+#include <stddef.h>
+/* Define int64_t and uint64_t types */
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+#include <inttypes.h>
+#elif defined(_WIN32) && defined(__GNUC__)
+#include <stdint.h>
+#elif defined(_WIN32)
+typedef __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+#else
+/* Fallback if nothing above works */
+#include <inttypes.h>
+#endif
+
+#include "alc.h"
+#include "al.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef AL_LOKI_IMA_ADPCM_format
+#define AL_LOKI_IMA_ADPCM_format 1
+#define AL_FORMAT_IMA_ADPCM_MONO16_EXT 0x10000
+#define AL_FORMAT_IMA_ADPCM_STEREO16_EXT 0x10001
+#endif
+
+#ifndef AL_LOKI_WAVE_format
+#define AL_LOKI_WAVE_format 1
+#define AL_FORMAT_WAVE_EXT 0x10002
+#endif
+
+#ifndef AL_EXT_vorbis
+#define AL_EXT_vorbis 1
+#define AL_FORMAT_VORBIS_EXT 0x10003
+#endif
+
+#ifndef AL_LOKI_quadriphonic
+#define AL_LOKI_quadriphonic 1
+#define AL_FORMAT_QUAD8_LOKI 0x10004
+#define AL_FORMAT_QUAD16_LOKI 0x10005
+#endif
+
+#ifndef AL_EXT_float32
+#define AL_EXT_float32 1
+#define AL_FORMAT_MONO_FLOAT32 0x10010
+#define AL_FORMAT_STEREO_FLOAT32 0x10011
+#endif
+
+#ifndef AL_EXT_double
+#define AL_EXT_double 1
+#define AL_FORMAT_MONO_DOUBLE_EXT 0x10012
+#define AL_FORMAT_STEREO_DOUBLE_EXT 0x10013
+#endif
+
+#ifndef AL_EXT_MULAW
+#define AL_EXT_MULAW 1
+#define AL_FORMAT_MONO_MULAW_EXT 0x10014
+#define AL_FORMAT_STEREO_MULAW_EXT 0x10015
+#endif
+
+#ifndef AL_EXT_ALAW
+#define AL_EXT_ALAW 1
+#define AL_FORMAT_MONO_ALAW_EXT 0x10016
+#define AL_FORMAT_STEREO_ALAW_EXT 0x10017
+#endif
+
+#ifndef ALC_LOKI_audio_channel
+#define ALC_LOKI_audio_channel 1
+#define ALC_CHAN_MAIN_LOKI 0x500001
+#define ALC_CHAN_PCM_LOKI 0x500002
+#define ALC_CHAN_CD_LOKI 0x500003
+#endif
+
+#ifndef AL_EXT_MCFORMATS
+#define AL_EXT_MCFORMATS 1
+/* Provides support for surround sound buffer formats with 8, 16, and 32-bit
+ * samples.
+ *
+ * QUAD8: Unsigned 8-bit, Quadraphonic (Front Left, Front Right, Rear Left,
+ * Rear Right).
+ * QUAD16: Signed 16-bit, Quadraphonic.
+ * QUAD32: 32-bit float, Quadraphonic.
+ * REAR8: Unsigned 8-bit, Rear Stereo (Rear Left, Rear Right).
+ * REAR16: Signed 16-bit, Rear Stereo.
+ * REAR32: 32-bit float, Rear Stereo.
+ * 51CHN8: Unsigned 8-bit, 5.1 Surround (Front Left, Front Right, Front Center,
+ * LFE, Side Left, Side Right). Note that some audio systems may label
+ * 5.1's Side channels as Rear or Surround; they are equivalent for the
+ * purposes of this extension.
+ * 51CHN16: Signed 16-bit, 5.1 Surround.
+ * 51CHN32: 32-bit float, 5.1 Surround.
+ * 61CHN8: Unsigned 8-bit, 6.1 Surround (Front Left, Front Right, Front Center,
+ * LFE, Rear Center, Side Left, Side Right).
+ * 61CHN16: Signed 16-bit, 6.1 Surround.
+ * 61CHN32: 32-bit float, 6.1 Surround.
+ * 71CHN8: Unsigned 8-bit, 7.1 Surround (Front Left, Front Right, Front Center,
+ * LFE, Rear Left, Rear Right, Side Left, Side Right).
+ * 71CHN16: Signed 16-bit, 7.1 Surround.
+ * 71CHN32: 32-bit float, 7.1 Surround.
+ */
+#define AL_FORMAT_QUAD8 0x1204
+#define AL_FORMAT_QUAD16 0x1205
+#define AL_FORMAT_QUAD32 0x1206
+#define AL_FORMAT_REAR8 0x1207
+#define AL_FORMAT_REAR16 0x1208
+#define AL_FORMAT_REAR32 0x1209
+#define AL_FORMAT_51CHN8 0x120A
+#define AL_FORMAT_51CHN16 0x120B
+#define AL_FORMAT_51CHN32 0x120C
+#define AL_FORMAT_61CHN8 0x120D
+#define AL_FORMAT_61CHN16 0x120E
+#define AL_FORMAT_61CHN32 0x120F
+#define AL_FORMAT_71CHN8 0x1210
+#define AL_FORMAT_71CHN16 0x1211
+#define AL_FORMAT_71CHN32 0x1212
+#endif
+
+#ifndef AL_EXT_MULAW_MCFORMATS
+#define AL_EXT_MULAW_MCFORMATS 1
+#define AL_FORMAT_MONO_MULAW 0x10014
+#define AL_FORMAT_STEREO_MULAW 0x10015
+#define AL_FORMAT_QUAD_MULAW 0x10021
+#define AL_FORMAT_REAR_MULAW 0x10022
+#define AL_FORMAT_51CHN_MULAW 0x10023
+#define AL_FORMAT_61CHN_MULAW 0x10024
+#define AL_FORMAT_71CHN_MULAW 0x10025
+#endif
+
+#ifndef AL_EXT_IMA4
+#define AL_EXT_IMA4 1
+#define AL_FORMAT_MONO_IMA4 0x1300
+#define AL_FORMAT_STEREO_IMA4 0x1301
+#endif
+
+#ifndef AL_EXT_STATIC_BUFFER
+#define AL_EXT_STATIC_BUFFER 1
+typedef ALvoid (AL_APIENTRY*PFNALBUFFERDATASTATICPROC)(const ALint,ALenum,ALvoid*,ALsizei,ALsizei);
+#ifdef AL_ALEXT_PROTOTYPES
+AL_API ALvoid AL_APIENTRY alBufferDataStatic(const ALint buffer, ALenum format, ALvoid *data, ALsizei len, ALsizei freq);
+#endif
+#endif
+
+#ifndef ALC_EXT_EFX
+#define ALC_EXT_EFX 1
+#include "efx.h"
+#endif
+
+#ifndef ALC_EXT_disconnect
+#define ALC_EXT_disconnect 1
+#define ALC_CONNECTED 0x313
+#endif
+
+#ifndef ALC_EXT_thread_local_context
+#define ALC_EXT_thread_local_context 1
+typedef ALCboolean (ALC_APIENTRY*PFNALCSETTHREADCONTEXTPROC)(ALCcontext *context);
+typedef ALCcontext* (ALC_APIENTRY*PFNALCGETTHREADCONTEXTPROC)(void);
+#ifdef AL_ALEXT_PROTOTYPES
+ALC_API ALCboolean ALC_APIENTRY alcSetThreadContext(ALCcontext *context);
+ALC_API ALCcontext* ALC_APIENTRY alcGetThreadContext(void);
+#endif
+#endif
+
+#ifndef AL_EXT_source_distance_model
+#define AL_EXT_source_distance_model 1
+#define AL_SOURCE_DISTANCE_MODEL 0x200
+#endif
+
+#ifndef AL_SOFT_buffer_sub_data
+#define AL_SOFT_buffer_sub_data 1
+#define AL_BYTE_RW_OFFSETS_SOFT 0x1031
+#define AL_SAMPLE_RW_OFFSETS_SOFT 0x1032
+typedef ALvoid (AL_APIENTRY*PFNALBUFFERSUBDATASOFTPROC)(ALuint,ALenum,const ALvoid*,ALsizei,ALsizei);
+#ifdef AL_ALEXT_PROTOTYPES
+AL_API ALvoid AL_APIENTRY alBufferSubDataSOFT(ALuint buffer,ALenum format,const ALvoid *data,ALsizei offset,ALsizei length);
+#endif
+#endif
+
+#ifndef AL_SOFT_loop_points
+#define AL_SOFT_loop_points 1
+#define AL_LOOP_POINTS_SOFT 0x2015
+#endif
+
+#ifndef AL_EXT_FOLDBACK
+#define AL_EXT_FOLDBACK 1
+#define AL_EXT_FOLDBACK_NAME "AL_EXT_FOLDBACK"
+#define AL_FOLDBACK_EVENT_BLOCK 0x4112
+#define AL_FOLDBACK_EVENT_START 0x4111
+#define AL_FOLDBACK_EVENT_STOP 0x4113
+#define AL_FOLDBACK_MODE_MONO 0x4101
+#define AL_FOLDBACK_MODE_STEREO 0x4102
+typedef void (AL_APIENTRY*LPALFOLDBACKCALLBACK)(ALenum,ALsizei);
+typedef void (AL_APIENTRY*LPALREQUESTFOLDBACKSTART)(ALenum,ALsizei,ALsizei,ALfloat*,LPALFOLDBACKCALLBACK);
+typedef void (AL_APIENTRY*LPALREQUESTFOLDBACKSTOP)(void);
+#ifdef AL_ALEXT_PROTOTYPES
+AL_API void AL_APIENTRY alRequestFoldbackStart(ALenum mode,ALsizei count,ALsizei length,ALfloat *mem,LPALFOLDBACKCALLBACK callback);
+AL_API void AL_APIENTRY alRequestFoldbackStop(void);
+#endif
+#endif
+
+#ifndef ALC_EXT_DEDICATED
+#define ALC_EXT_DEDICATED 1
+#define AL_DEDICATED_GAIN 0x0001
+#define AL_EFFECT_DEDICATED_DIALOGUE 0x9001
+#define AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT 0x9000
+#endif
+
+#ifndef AL_SOFT_buffer_samples
+#define AL_SOFT_buffer_samples 1
+/* Channel configurations */
+#define AL_MONO_SOFT 0x1500
+#define AL_STEREO_SOFT 0x1501
+#define AL_REAR_SOFT 0x1502
+#define AL_QUAD_SOFT 0x1503
+#define AL_5POINT1_SOFT 0x1504
+#define AL_6POINT1_SOFT 0x1505
+#define AL_7POINT1_SOFT 0x1506
+
+/* Sample types */
+#define AL_BYTE_SOFT 0x1400
+#define AL_UNSIGNED_BYTE_SOFT 0x1401
+#define AL_SHORT_SOFT 0x1402
+#define AL_UNSIGNED_SHORT_SOFT 0x1403
+#define AL_INT_SOFT 0x1404
+#define AL_UNSIGNED_INT_SOFT 0x1405
+#define AL_FLOAT_SOFT 0x1406
+#define AL_DOUBLE_SOFT 0x1407
+#define AL_BYTE3_SOFT 0x1408
+#define AL_UNSIGNED_BYTE3_SOFT 0x1409
+
+/* Storage formats */
+#define AL_MONO8_SOFT 0x1100
+#define AL_MONO16_SOFT 0x1101
+#define AL_MONO32F_SOFT 0x10010
+#define AL_STEREO8_SOFT 0x1102
+#define AL_STEREO16_SOFT 0x1103
+#define AL_STEREO32F_SOFT 0x10011
+#define AL_QUAD8_SOFT 0x1204
+#define AL_QUAD16_SOFT 0x1205
+#define AL_QUAD32F_SOFT 0x1206
+#define AL_REAR8_SOFT 0x1207
+#define AL_REAR16_SOFT 0x1208
+#define AL_REAR32F_SOFT 0x1209
+#define AL_5POINT1_8_SOFT 0x120A
+#define AL_5POINT1_16_SOFT 0x120B
+#define AL_5POINT1_32F_SOFT 0x120C
+#define AL_6POINT1_8_SOFT 0x120D
+#define AL_6POINT1_16_SOFT 0x120E
+#define AL_6POINT1_32F_SOFT 0x120F
+#define AL_7POINT1_8_SOFT 0x1210
+#define AL_7POINT1_16_SOFT 0x1211
+#define AL_7POINT1_32F_SOFT 0x1212
+
+/* Buffer attributes */
+#define AL_INTERNAL_FORMAT_SOFT 0x2008
+#define AL_BYTE_LENGTH_SOFT 0x2009
+#define AL_SAMPLE_LENGTH_SOFT 0x200A
+#define AL_SEC_LENGTH_SOFT 0x200B
+
+typedef void (AL_APIENTRY*LPALBUFFERSAMPLESSOFT)(ALuint,ALuint,ALenum,ALsizei,ALenum,ALenum,const ALvoid*);
+typedef void (AL_APIENTRY*LPALBUFFERSUBSAMPLESSOFT)(ALuint,ALsizei,ALsizei,ALenum,ALenum,const ALvoid*);
+typedef void (AL_APIENTRY*LPALGETBUFFERSAMPLESSOFT)(ALuint,ALsizei,ALsizei,ALenum,ALenum,ALvoid*);
+typedef ALboolean (AL_APIENTRY*LPALISBUFFERFORMATSUPPORTEDSOFT)(ALenum);
+#ifdef AL_ALEXT_PROTOTYPES
+AL_API void AL_APIENTRY alBufferSamplesSOFT(ALuint buffer, ALuint samplerate, ALenum internalformat, ALsizei samples, ALenum channels, ALenum type, const ALvoid *data);
+AL_API void AL_APIENTRY alBufferSubSamplesSOFT(ALuint buffer, ALsizei offset, ALsizei samples, ALenum channels, ALenum type, const ALvoid *data);
+AL_API void AL_APIENTRY alGetBufferSamplesSOFT(ALuint buffer, ALsizei offset, ALsizei samples, ALenum channels, ALenum type, ALvoid *data);
+AL_API ALboolean AL_APIENTRY alIsBufferFormatSupportedSOFT(ALenum format);
+#endif
+#endif
+
+#ifndef AL_SOFT_direct_channels
+#define AL_SOFT_direct_channels 1
+#define AL_DIRECT_CHANNELS_SOFT 0x1033
+#endif
+
+#ifndef ALC_SOFT_loopback
+#define ALC_SOFT_loopback 1
+#define ALC_FORMAT_CHANNELS_SOFT 0x1990
+#define ALC_FORMAT_TYPE_SOFT 0x1991
+
+/* Sample types */
+#define ALC_BYTE_SOFT 0x1400
+#define ALC_UNSIGNED_BYTE_SOFT 0x1401
+#define ALC_SHORT_SOFT 0x1402
+#define ALC_UNSIGNED_SHORT_SOFT 0x1403
+#define ALC_INT_SOFT 0x1404
+#define ALC_UNSIGNED_INT_SOFT 0x1405
+#define ALC_FLOAT_SOFT 0x1406
+
+/* Channel configurations */
+#define ALC_MONO_SOFT 0x1500
+#define ALC_STEREO_SOFT 0x1501
+#define ALC_QUAD_SOFT 0x1503
+#define ALC_5POINT1_SOFT 0x1504
+#define ALC_6POINT1_SOFT 0x1505
+#define ALC_7POINT1_SOFT 0x1506
+
+typedef ALCdevice* (ALC_APIENTRY*LPALCLOOPBACKOPENDEVICESOFT)(const ALCchar*);
+typedef ALCboolean (ALC_APIENTRY*LPALCISRENDERFORMATSUPPORTEDSOFT)(ALCdevice*,ALCsizei,ALCenum,ALCenum);
+typedef void (ALC_APIENTRY*LPALCRENDERSAMPLESSOFT)(ALCdevice*,ALCvoid*,ALCsizei);
+#ifdef AL_ALEXT_PROTOTYPES
+ALC_API ALCdevice* ALC_APIENTRY alcLoopbackOpenDeviceSOFT(const ALCchar *deviceName);
+ALC_API ALCboolean ALC_APIENTRY alcIsRenderFormatSupportedSOFT(ALCdevice *device, ALCsizei freq, ALCenum channels, ALCenum type);
+ALC_API void ALC_APIENTRY alcRenderSamplesSOFT(ALCdevice *device, ALCvoid *buffer, ALCsizei samples);
+#endif
+#endif
+
+#ifndef AL_EXT_STEREO_ANGLES
+#define AL_EXT_STEREO_ANGLES 1
+#define AL_STEREO_ANGLES 0x1030
+#endif
+
+#ifndef AL_EXT_SOURCE_RADIUS
+#define AL_EXT_SOURCE_RADIUS 1
+#define AL_SOURCE_RADIUS 0x1031
+#endif
+
+#ifndef AL_SOFT_source_latency
+#define AL_SOFT_source_latency 1
+#define AL_SAMPLE_OFFSET_LATENCY_SOFT 0x1200
+#define AL_SEC_OFFSET_LATENCY_SOFT 0x1201
+typedef int64_t ALint64SOFT;
+typedef uint64_t ALuint64SOFT;
+typedef void (AL_APIENTRY*LPALSOURCEDSOFT)(ALuint,ALenum,ALdouble);
+typedef void (AL_APIENTRY*LPALSOURCE3DSOFT)(ALuint,ALenum,ALdouble,ALdouble,ALdouble);
+typedef void (AL_APIENTRY*LPALSOURCEDVSOFT)(ALuint,ALenum,const ALdouble*);
+typedef void (AL_APIENTRY*LPALGETSOURCEDSOFT)(ALuint,ALenum,ALdouble*);
+typedef void (AL_APIENTRY*LPALGETSOURCE3DSOFT)(ALuint,ALenum,ALdouble*,ALdouble*,ALdouble*);
+typedef void (AL_APIENTRY*LPALGETSOURCEDVSOFT)(ALuint,ALenum,ALdouble*);
+typedef void (AL_APIENTRY*LPALSOURCEI64SOFT)(ALuint,ALenum,ALint64SOFT);
+typedef void (AL_APIENTRY*LPALSOURCE3I64SOFT)(ALuint,ALenum,ALint64SOFT,ALint64SOFT,ALint64SOFT);
+typedef void (AL_APIENTRY*LPALSOURCEI64VSOFT)(ALuint,ALenum,const ALint64SOFT*);
+typedef void (AL_APIENTRY*LPALGETSOURCEI64SOFT)(ALuint,ALenum,ALint64SOFT*);
+typedef void (AL_APIENTRY*LPALGETSOURCE3I64SOFT)(ALuint,ALenum,ALint64SOFT*,ALint64SOFT*,ALint64SOFT*);
+typedef void (AL_APIENTRY*LPALGETSOURCEI64VSOFT)(ALuint,ALenum,ALint64SOFT*);
+#ifdef AL_ALEXT_PROTOTYPES
+AL_API void AL_APIENTRY alSourcedSOFT(ALuint source, ALenum param, ALdouble value);
+AL_API void AL_APIENTRY alSource3dSOFT(ALuint source, ALenum param, ALdouble value1, ALdouble value2, ALdouble value3);
+AL_API void AL_APIENTRY alSourcedvSOFT(ALuint source, ALenum param, const ALdouble *values);
+AL_API void AL_APIENTRY alGetSourcedSOFT(ALuint source, ALenum param, ALdouble *value);
+AL_API void AL_APIENTRY alGetSource3dSOFT(ALuint source, ALenum param, ALdouble *value1, ALdouble *value2, ALdouble *value3);
+AL_API void AL_APIENTRY alGetSourcedvSOFT(ALuint source, ALenum param, ALdouble *values);
+AL_API void AL_APIENTRY alSourcei64SOFT(ALuint source, ALenum param, ALint64SOFT value);
+AL_API void AL_APIENTRY alSource3i64SOFT(ALuint source, ALenum param, ALint64SOFT value1, ALint64SOFT value2, ALint64SOFT value3);
+AL_API void AL_APIENTRY alSourcei64vSOFT(ALuint source, ALenum param, const ALint64SOFT *values);
+AL_API void AL_APIENTRY alGetSourcei64SOFT(ALuint source, ALenum param, ALint64SOFT *value);
+AL_API void AL_APIENTRY alGetSource3i64SOFT(ALuint source, ALenum param, ALint64SOFT *value1, ALint64SOFT *value2, ALint64SOFT *value3);
+AL_API void AL_APIENTRY alGetSourcei64vSOFT(ALuint source, ALenum param, ALint64SOFT *values);
+#endif
+#endif
+
+#ifndef ALC_EXT_DEFAULT_FILTER_ORDER
+#define ALC_EXT_DEFAULT_FILTER_ORDER 1
+#define ALC_DEFAULT_FILTER_ORDER 0x1100
+#endif
+
+#ifndef AL_SOFT_deferred_updates
+#define AL_SOFT_deferred_updates 1
+#define AL_DEFERRED_UPDATES_SOFT 0xC002
+typedef ALvoid (AL_APIENTRY*LPALDEFERUPDATESSOFT)(void);
+typedef ALvoid (AL_APIENTRY*LPALPROCESSUPDATESSOFT)(void);
+#ifdef AL_ALEXT_PROTOTYPES
+AL_API ALvoid AL_APIENTRY alDeferUpdatesSOFT(void);
+AL_API ALvoid AL_APIENTRY alProcessUpdatesSOFT(void);
+#endif
+#endif
+
+#ifndef AL_SOFT_block_alignment
+#define AL_SOFT_block_alignment 1
+#define AL_UNPACK_BLOCK_ALIGNMENT_SOFT 0x200C
+#define AL_PACK_BLOCK_ALIGNMENT_SOFT 0x200D
+#endif
+
+#ifndef AL_SOFT_MSADPCM
+#define AL_SOFT_MSADPCM 1
+#define AL_FORMAT_MONO_MSADPCM_SOFT 0x1302
+#define AL_FORMAT_STEREO_MSADPCM_SOFT 0x1303
+#endif
+
+#ifndef AL_SOFT_source_length
+#define AL_SOFT_source_length 1
+/*#define AL_BYTE_LENGTH_SOFT 0x2009*/
+/*#define AL_SAMPLE_LENGTH_SOFT 0x200A*/
+/*#define AL_SEC_LENGTH_SOFT 0x200B*/
+#endif
+
+#ifndef ALC_SOFT_pause_device
+#define ALC_SOFT_pause_device 1
+typedef void (ALC_APIENTRY*LPALCDEVICEPAUSESOFT)(ALCdevice *device);
+typedef void (ALC_APIENTRY*LPALCDEVICERESUMESOFT)(ALCdevice *device);
+#ifdef AL_ALEXT_PROTOTYPES
+ALC_API void ALC_APIENTRY alcDevicePauseSOFT(ALCdevice *device);
+ALC_API void ALC_APIENTRY alcDeviceResumeSOFT(ALCdevice *device);
+#endif
+#endif
+
+#ifndef AL_EXT_BFORMAT
+#define AL_EXT_BFORMAT 1
+/* Provides support for B-Format ambisonic buffers (first-order, FuMa scaling
+ * and layout).
+ *
+ * BFORMAT2D_8: Unsigned 8-bit, 3-channel non-periphonic (WXY).
+ * BFORMAT2D_16: Signed 16-bit, 3-channel non-periphonic (WXY).
+ * BFORMAT2D_FLOAT32: 32-bit float, 3-channel non-periphonic (WXY).
+ * BFORMAT3D_8: Unsigned 8-bit, 4-channel periphonic (WXYZ).
+ * BFORMAT3D_16: Signed 16-bit, 4-channel periphonic (WXYZ).
+ * BFORMAT3D_FLOAT32: 32-bit float, 4-channel periphonic (WXYZ).
+ */
+#define AL_FORMAT_BFORMAT2D_8 0x20021
+#define AL_FORMAT_BFORMAT2D_16 0x20022
+#define AL_FORMAT_BFORMAT2D_FLOAT32 0x20023
+#define AL_FORMAT_BFORMAT3D_8 0x20031
+#define AL_FORMAT_BFORMAT3D_16 0x20032
+#define AL_FORMAT_BFORMAT3D_FLOAT32 0x20033
+#endif
+
+#ifndef AL_EXT_MULAW_BFORMAT
+#define AL_EXT_MULAW_BFORMAT 1
+#define AL_FORMAT_BFORMAT2D_MULAW 0x10031
+#define AL_FORMAT_BFORMAT3D_MULAW 0x10032
+#endif
+
+#ifndef ALC_SOFT_HRTF
+#define ALC_SOFT_HRTF 1
+#define ALC_HRTF_SOFT 0x1992
+#define ALC_DONT_CARE_SOFT 0x0002
+#define ALC_HRTF_STATUS_SOFT 0x1993
+#define ALC_HRTF_DISABLED_SOFT 0x0000
+#define ALC_HRTF_ENABLED_SOFT 0x0001
+#define ALC_HRTF_DENIED_SOFT 0x0002
+#define ALC_HRTF_REQUIRED_SOFT 0x0003
+#define ALC_HRTF_HEADPHONES_DETECTED_SOFT 0x0004
+#define ALC_HRTF_UNSUPPORTED_FORMAT_SOFT 0x0005
+#define ALC_NUM_HRTF_SPECIFIERS_SOFT 0x1994
+#define ALC_HRTF_SPECIFIER_SOFT 0x1995
+#define ALC_HRTF_ID_SOFT 0x1996
+typedef const ALCchar* (ALC_APIENTRY*LPALCGETSTRINGISOFT)(ALCdevice *device, ALCenum paramName, ALCsizei index);
+typedef ALCboolean (ALC_APIENTRY*LPALCRESETDEVICESOFT)(ALCdevice *device, const ALCint *attribs);
+#ifdef AL_ALEXT_PROTOTYPES
+ALC_API const ALCchar* ALC_APIENTRY alcGetStringiSOFT(ALCdevice *device, ALCenum paramName, ALCsizei index);
+ALC_API ALCboolean ALC_APIENTRY alcResetDeviceSOFT(ALCdevice *device, const ALCint *attribs);
+#endif
+#endif
+
+#ifndef AL_SOFT_gain_clamp_ex
+#define AL_SOFT_gain_clamp_ex 1
+#define AL_GAIN_LIMIT_SOFT 0x200E
+#endif
+
+#ifndef AL_SOFT_source_resampler
+#define AL_SOFT_source_resampler
+#define AL_NUM_RESAMPLERS_SOFT 0x1210
+#define AL_DEFAULT_RESAMPLER_SOFT 0x1211
+#define AL_SOURCE_RESAMPLER_SOFT 0x1212
+#define AL_RESAMPLER_NAME_SOFT 0x1213
+typedef const ALchar* (AL_APIENTRY*LPALGETSTRINGISOFT)(ALenum pname, ALsizei index);
+#ifdef AL_ALEXT_PROTOTYPES
+AL_API const ALchar* AL_APIENTRY alGetStringiSOFT(ALenum pname, ALsizei index);
+#endif
+#endif
+
+#ifndef AL_SOFT_source_spatialize
+#define AL_SOFT_source_spatialize
+#define AL_SOURCE_SPATIALIZE_SOFT 0x1214
+#define AL_AUTO_SOFT 0x0002
+#endif
+
+#ifndef ALC_SOFT_output_limiter
+#define ALC_SOFT_output_limiter
+#define ALC_OUTPUT_LIMITER_SOFT 0x199A
+#endif
+
+#ifndef ALC_SOFT_device_clock
+#define ALC_SOFT_device_clock 1
+typedef int64_t ALCint64SOFT;
+typedef uint64_t ALCuint64SOFT;
+#define ALC_DEVICE_CLOCK_SOFT 0x1600
+#define ALC_DEVICE_LATENCY_SOFT 0x1601
+#define ALC_DEVICE_CLOCK_LATENCY_SOFT 0x1602
+#define AL_SAMPLE_OFFSET_CLOCK_SOFT 0x1202
+#define AL_SEC_OFFSET_CLOCK_SOFT 0x1203
+typedef void (ALC_APIENTRY*LPALCGETINTEGER64VSOFT)(ALCdevice *device, ALCenum pname, ALsizei size, ALCint64SOFT *values);
+#ifdef AL_ALEXT_PROTOTYPES
+ALC_API void ALC_APIENTRY alcGetInteger64vSOFT(ALCdevice *device, ALCenum pname, ALsizei size, ALCint64SOFT *values);
+#endif
+#endif
+
+#ifndef AL_SOFT_direct_channels_remix
+#define AL_SOFT_direct_channels_remix 1
+#define AL_DROP_UNMATCHED_SOFT 0x0001
+#define AL_REMIX_UNMATCHED_SOFT 0x0002
+#endif
+
+#ifndef AL_SOFT_bformat_ex
+#define AL_SOFT_bformat_ex 1
+#define AL_AMBISONIC_LAYOUT_SOFT 0x1997
+#define AL_AMBISONIC_SCALING_SOFT 0x1998
+
+/* Ambisonic layouts */
+#define AL_FUMA_SOFT 0x0000
+#define AL_ACN_SOFT 0x0001
+
+/* Ambisonic scalings (normalization) */
+/*#define AL_FUMA_SOFT*/
+#define AL_SN3D_SOFT 0x0001
+#define AL_N3D_SOFT 0x0002
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif