716 lines
22 KiB
C
716 lines
22 KiB
C
#ifndef AL_MAIN_H
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#define AL_MAIN_H
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#include <string.h>
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#include <stdio.h>
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#include <stdarg.h>
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#ifdef HAVE_FENV_H
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#include <fenv.h>
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#endif
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "AL/alext.h"
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#ifndef ALC_SOFT_device_loopback
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#define ALC_SOFT_device_loopback 1
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#define ALC_FORMAT_CHANNELS_SOFT 0x1990
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#define ALC_FORMAT_TYPE_SOFT 0x1991
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/* Sample types */
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#define ALC_BYTE 0x1400
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#define ALC_UNSIGNED_BYTE 0x1401
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#define ALC_SHORT 0x1402
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#define ALC_UNSIGNED_SHORT 0x1403
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#define ALC_INT 0x1404
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#define ALC_UNSIGNED_INT 0x1405
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#define ALC_FLOAT 0x1406
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/* Channel configurations */
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#define ALC_MONO 0x1500
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#define ALC_STEREO 0x1501
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#define ALC_QUAD 0x1503
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#define ALC_5POINT1 0x1504 /* (WFX order) */
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#define ALC_6POINT1 0x1505 /* (WFX order) */
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#define ALC_7POINT1 0x1506 /* (WFX order) */
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typedef ALCdevice* (ALC_APIENTRY*LPALCLOOPBACKOPENDEVICESOFT)(void);
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typedef ALCboolean (ALC_APIENTRY*LPALCISRENDERFORMATSUPPORTEDSOFT)(ALCdevice *device, ALCsizei freq, ALCenum channels, ALCenum type);
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typedef void (ALC_APIENTRY*LPALCRENDERSAMPLESSOFT)(ALCdevice *device, ALCvoid *buffer, ALCsizei samples);
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#ifdef AL_ALEXT_PROTOTYPES
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ALC_API ALCdevice* ALC_APIENTRY alcLoopbackOpenDeviceSOFT(void);
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ALC_API ALCboolean ALC_APIENTRY alcIsRenderFormatSupportedSOFT(ALCdevice *device, ALCsizei freq, ALCenum channels, ALCenum type);
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ALC_API void ALC_APIENTRY alcRenderSamplesSOFT(ALCdevice *device, ALCvoid *buffer, ALCsizei samples);
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#endif
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#endif
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#ifndef AL_SOFT_buffer_samples
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#define AL_SOFT_buffer_samples 1
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/* Sample types */
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#define AL_BYTE 0x1400
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#define AL_UNSIGNED_BYTE 0x1401
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#define AL_SHORT 0x1402
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#define AL_UNSIGNED_SHORT 0x1403
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#define AL_INT 0x1404
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#define AL_UNSIGNED_INT 0x1405
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#define AL_FLOAT 0x1406
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#define AL_DOUBLE 0x1407
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#define AL_BYTE3 0x1408
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#define AL_UNSIGNED_BYTE3 0x1409
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#define AL_MULAW 0x1410
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#define AL_IMA4 0x1411
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/* Channel configurations */
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#define AL_MONO 0x1500
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#define AL_STEREO 0x1501
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#define AL_REAR 0x1502
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#define AL_QUAD 0x1503
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#define AL_5POINT1 0x1504 /* (WFX order) */
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#define AL_6POINT1 0x1505 /* (WFX order) */
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#define AL_7POINT1 0x1506 /* (WFX order) */
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/* Storage formats */
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#define AL_MONO8 0x1100
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#define AL_MONO16 0x1101
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#define AL_MONO32F 0x10010
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#define AL_STEREO8 0x1102
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#define AL_STEREO16 0x1103
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#define AL_STEREO32F 0x10011
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#define AL_QUAD8 0x1204
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#define AL_QUAD16 0x1205
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#define AL_QUAD32F 0x1206
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#define AL_REAR8 0x1207
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#define AL_REAR16 0x1208
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#define AL_REAR32F 0x1209
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#define AL_5POINT1_8 0x120A
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#define AL_5POINT1_16 0x120B
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#define AL_5POINT1_32F 0x120C
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#define AL_6POINT1_8 0x120D
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#define AL_6POINT1_16 0x120E
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#define AL_6POINT1_32F 0x120F
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#define AL_7POINT1_8 0x1210
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#define AL_7POINT1_16 0x1211
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#define AL_7POINT1_32F 0x1212
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typedef void (AL_APIENTRY*LPALBUFFERSAMPLESSOFT)(ALuint,ALuint,ALenum,ALsizei,ALenum,ALenum,const ALvoid*);
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typedef void (AL_APIENTRY*LPALBUFFERSUBSAMPLESSOFT)(ALuint,ALsizei,ALsizei,ALenum,ALenum,const ALvoid*);
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typedef void (AL_APIENTRY*LPALGETBUFFERSAMPLESSOFT)(ALuint,ALsizei,ALsizei,ALenum,ALenum,ALvoid*);
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typedef ALboolean (AL_APIENTRY*LPALISBUFFERFORMATSUPPORTEDSOFT)(ALenum);
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#ifdef AL_ALEXT_PROTOTYPES
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AL_API void AL_APIENTRY alBufferSamplesSOFT(ALuint buffer,
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ALuint samplerate, ALenum internalformat, ALsizei frames,
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ALenum channels, ALenum type, const ALvoid *data);
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AL_API void AL_APIENTRY alBufferSubSamplesSOFT(ALuint buffer,
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ALsizei offset, ALsizei frames,
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ALenum channels, ALenum type, const ALvoid *data);
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AL_API void AL_APIENTRY alGetBufferSamplesSOFT(ALuint buffer,
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ALsizei offset, ALsizei frames,
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ALenum channels, ALenum type, ALvoid *data);
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AL_API ALboolean AL_APIENTRY alIsBufferFormatSupportedSOFT(ALenum format);
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#endif
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#endif
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#ifndef AL_SOFT_non_virtual_channels
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#define AL_SOFT_non_virtual_channels 1
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#define AL_VIRTUAL_CHANNELS_SOFT 0x1033
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#endif
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#ifndef AL_SOFT_deferred_updates
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#define AL_SOFT_deferred_updates 1
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#define AL_DEFERRED_UPDATES_SOFT 0xC002
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typedef ALvoid (AL_APIENTRY*LPALDEFERUPDATESSOFT)(void);
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typedef ALvoid (AL_APIENTRY*LPALPROCESSUPDATESSOFT)(void);
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#ifdef AL_ALEXT_PROTOTYPES
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AL_API ALvoid AL_APIENTRY alDeferUpdatesSOFT(void);
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AL_API ALvoid AL_APIENTRY alProcessUpdatesSOFT(void);
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#endif
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#endif
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#if defined(HAVE_STDINT_H)
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#include <stdint.h>
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typedef int64_t ALint64;
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typedef uint64_t ALuint64;
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#elif defined(HAVE___INT64)
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typedef __int64 ALint64;
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typedef unsigned __int64 ALuint64;
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#elif (SIZEOF_LONG == 8)
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typedef long ALint64;
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typedef unsigned long ALuint64;
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#elif (SIZEOF_LONG_LONG == 8)
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typedef long long ALint64;
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typedef unsigned long long ALuint64;
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#endif
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typedef ptrdiff_t ALintptrEXT;
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typedef ptrdiff_t ALsizeiptrEXT;
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#ifdef HAVE_GCC_FORMAT
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#define PRINTF_STYLE(x, y) __attribute__((format(printf, (x), (y))))
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#else
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#define PRINTF_STYLE(x, y)
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#endif
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#if defined(HAVE_RESTRICT)
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#define RESTRICT restrict
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#elif defined(HAVE___RESTRICT)
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#define RESTRICT __restrict
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#else
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#define RESTRICT
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#endif
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#ifdef _WIN32
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#ifndef _WIN32_WINNT
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#define _WIN32_WINNT 0x0500
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#endif
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#include <windows.h>
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typedef DWORD pthread_key_t;
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int pthread_key_create(pthread_key_t *key, void (*callback)(void*));
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int pthread_key_delete(pthread_key_t key);
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void *pthread_getspecific(pthread_key_t key);
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int pthread_setspecific(pthread_key_t key, void *val);
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#define HAVE_DYNLOAD 1
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void *LoadLib(const char *name);
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void CloseLib(void *handle);
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void *GetSymbol(void *handle, const char *name);
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typedef LONG pthread_once_t;
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#define PTHREAD_ONCE_INIT 0
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void pthread_once(pthread_once_t *once, void (*callback)(void));
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#else
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#include <unistd.h>
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#include <assert.h>
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#include <pthread.h>
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#ifdef HAVE_PTHREAD_NP_H
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#include <pthread_np.h>
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#endif
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#include <sys/time.h>
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#include <time.h>
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#include <errno.h>
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#define IsBadWritePtr(a,b) ((a) == NULL && (b) != 0)
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typedef pthread_mutex_t CRITICAL_SECTION;
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void InitializeCriticalSection(CRITICAL_SECTION *cs);
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void DeleteCriticalSection(CRITICAL_SECTION *cs);
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void EnterCriticalSection(CRITICAL_SECTION *cs);
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void LeaveCriticalSection(CRITICAL_SECTION *cs);
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ALuint timeGetTime(void);
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static __inline void Sleep(ALuint t)
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{
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struct timespec tv, rem;
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tv.tv_nsec = (t*1000000)%1000000000;
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tv.tv_sec = t/1000;
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while(nanosleep(&tv, &rem) == -1 && errno == EINTR)
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tv = rem;
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}
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#if defined(HAVE_DLFCN_H)
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#define HAVE_DYNLOAD 1
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void *LoadLib(const char *name);
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void CloseLib(void *handle);
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void *GetSymbol(void *handle, const char *name);
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#endif
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#endif
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#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
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typedef ALuint RefCount;
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static __inline RefCount IncrementRef(volatile RefCount *ptr)
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{ return __sync_add_and_fetch(ptr, 1); }
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static __inline RefCount DecrementRef(volatile RefCount *ptr)
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{ return __sync_sub_and_fetch(ptr, 1); }
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static __inline int ExchangeInt(volatile int *ptr, int newval)
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{
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return __sync_lock_test_and_set(ptr, newval);
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}
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static __inline void *ExchangePtr(void *volatile*ptr, void *newval)
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{
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return __sync_lock_test_and_set(ptr, newval);
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}
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static __inline ALboolean CompExchangeInt(volatile int *ptr, int oldval, int newval)
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{
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return __sync_bool_compare_and_swap(ptr, oldval, newval);
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}
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#elif defined(_WIN32)
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typedef LONG RefCount;
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static __inline RefCount IncrementRef(volatile RefCount *ptr)
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{ return InterlockedIncrement(ptr); }
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static __inline RefCount DecrementRef(volatile RefCount *ptr)
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{ return InterlockedDecrement(ptr); }
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extern ALbyte LONG_size_does_not_match_int[(sizeof(LONG)==sizeof(int))?1:-1];
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static __inline int ExchangeInt(volatile int *ptr, int newval)
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{
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union {
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volatile int *i;
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volatile LONG *l;
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} u = { ptr };
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return InterlockedExchange(u.l, newval);
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}
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static __inline void *ExchangePtr(void *volatile*ptr, void *newval)
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{
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return InterlockedExchangePointer(ptr, newval);
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}
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static __inline ALboolean CompExchangeInt(volatile int *ptr, int oldval, int newval)
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{
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union {
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volatile int *i;
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volatile LONG *l;
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} u = { ptr };
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return InterlockedCompareExchange(u.l, newval, oldval) == oldval;
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}
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#elif defined(__APPLE__)
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#include <libkern/OSAtomic.h>
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typedef int32_t RefCount;
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static __inline RefCount IncrementRef(volatile RefCount *ptr)
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{ return OSAtomicIncrement32Barrier(ptr); }
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static __inline RefCount DecrementRef(volatile RefCount *ptr)
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{ return OSAtomicDecrement32Barrier(ptr); }
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static __inline int ExchangeInt(volatile int *ptr, int newval)
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{
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/* Really? No regular old atomic swap? */
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int oldval;
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do {
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oldval = *ptr;
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} while(!OSAtomicCompareAndSwap32Barrier(oldval, newval, ptr));
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return oldval;
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}
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static __inline void *ExchangePtr(void *volatile*ptr, void *newval)
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{
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void *oldval;
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do {
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oldval = *ptr;
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} while(!OSAtomicCompareAndSwapPtrBarrier(oldval, newval, ptr));
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return oldval;
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}
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static __inline ALboolean CompExchangeInt(volatile int *ptr, int oldval, int newval)
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{
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return OSAtomicCompareAndSwap32Barrier(oldval, newval, ptr);
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}
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#else
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#error "No atomic functions available on this platform!"
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typedef ALuint RefCount;
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#endif
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typedef struct {
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volatile RefCount read_count;
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volatile RefCount write_count;
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volatile ALenum read_lock;
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volatile ALenum read_entry_lock;
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volatile ALenum write_lock;
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} RWLock;
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void RWLockInit(RWLock *lock);
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void ReadLock(RWLock *lock);
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void ReadUnlock(RWLock *lock);
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void WriteLock(RWLock *lock);
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void WriteUnlock(RWLock *lock);
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typedef struct UIntMap {
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struct {
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ALuint key;
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ALvoid *value;
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} *array;
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ALsizei size;
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ALsizei maxsize;
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ALsizei limit;
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RWLock lock;
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} UIntMap;
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extern UIntMap TlsDestructor;
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void InitUIntMap(UIntMap *map, ALsizei limit);
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void ResetUIntMap(UIntMap *map);
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ALenum InsertUIntMapEntry(UIntMap *map, ALuint key, ALvoid *value);
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void RemoveUIntMapKey(UIntMap *map, ALuint key);
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ALvoid *LookupUIntMapKey(UIntMap *map, ALuint key);
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ALvoid *PopUIntMapValue(UIntMap *map, ALuint key);
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static __inline void LockUIntMapRead(UIntMap *map)
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{ ReadLock(&map->lock); }
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static __inline void UnlockUIntMapRead(UIntMap *map)
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{ ReadUnlock(&map->lock); }
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static __inline void LockUIntMapWrite(UIntMap *map)
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{ WriteLock(&map->lock); }
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static __inline void UnlockUIntMapWrite(UIntMap *map)
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{ WriteUnlock(&map->lock); }
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#include "alListener.h"
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#include "alu.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define DEFAULT_OUTPUT_RATE (44100)
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#define SPEEDOFSOUNDMETRESPERSEC (343.3f)
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#define AIRABSORBGAINHF (0.99426) /* -0.05dB */
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#define LOWPASSFREQCUTOFF (5000)
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// Find the next power-of-2 for non-power-of-2 numbers.
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static __inline ALuint NextPowerOf2(ALuint value)
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{
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ALuint powerOf2 = 1;
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if(value)
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{
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value--;
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while(value)
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{
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value >>= 1;
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powerOf2 <<= 1;
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}
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}
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return powerOf2;
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}
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enum DevProbe {
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DEVICE_PROBE,
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ALL_DEVICE_PROBE,
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CAPTURE_DEVICE_PROBE
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};
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typedef struct {
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ALCenum (*OpenPlayback)(ALCdevice*, const ALCchar*);
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void (*ClosePlayback)(ALCdevice*);
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ALCboolean (*ResetPlayback)(ALCdevice*);
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void (*StopPlayback)(ALCdevice*);
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ALCenum (*OpenCapture)(ALCdevice*, const ALCchar*);
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void (*CloseCapture)(ALCdevice*);
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void (*StartCapture)(ALCdevice*);
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void (*StopCapture)(ALCdevice*);
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void (*CaptureSamples)(ALCdevice*, void*, ALCuint);
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ALCuint (*AvailableSamples)(ALCdevice*);
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} BackendFuncs;
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struct BackendInfo {
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const char *name;
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ALCboolean (*Init)(BackendFuncs*);
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void (*Deinit)(void);
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void (*Probe)(enum DevProbe);
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BackendFuncs Funcs;
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};
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ALCboolean alc_alsa_init(BackendFuncs *func_list);
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void alc_alsa_deinit(void);
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void alc_alsa_probe(enum DevProbe type);
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ALCboolean alc_oss_init(BackendFuncs *func_list);
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void alc_oss_deinit(void);
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void alc_oss_probe(enum DevProbe type);
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ALCboolean alc_solaris_init(BackendFuncs *func_list);
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void alc_solaris_deinit(void);
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void alc_solaris_probe(enum DevProbe type);
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ALCboolean alc_sndio_init(BackendFuncs *func_list);
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void alc_sndio_deinit(void);
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void alc_sndio_probe(enum DevProbe type);
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ALCboolean alcMMDevApiInit(BackendFuncs *func_list);
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void alcMMDevApiDeinit(void);
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void alcMMDevApiProbe(enum DevProbe type);
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ALCboolean alcDSoundInit(BackendFuncs *func_list);
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void alcDSoundDeinit(void);
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void alcDSoundProbe(enum DevProbe type);
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ALCboolean alcWinMMInit(BackendFuncs *FuncList);
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void alcWinMMDeinit(void);
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void alcWinMMProbe(enum DevProbe type);
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ALCboolean alc_pa_init(BackendFuncs *func_list);
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void alc_pa_deinit(void);
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void alc_pa_probe(enum DevProbe type);
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ALCboolean alc_wave_init(BackendFuncs *func_list);
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void alc_wave_deinit(void);
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void alc_wave_probe(enum DevProbe type);
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ALCboolean alc_pulse_init(BackendFuncs *func_list);
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void alc_pulse_deinit(void);
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void alc_pulse_probe(enum DevProbe type);
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ALCboolean alc_ca_init(BackendFuncs *func_list);
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void alc_ca_deinit(void);
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void alc_ca_probe(enum DevProbe type);
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ALCboolean alc_opensl_init(BackendFuncs *func_list);
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void alc_opensl_deinit(void);
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void alc_opensl_probe(enum DevProbe type);
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ALCboolean alc_null_init(BackendFuncs *func_list);
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void alc_null_deinit(void);
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void alc_null_probe(enum DevProbe type);
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ALCboolean alc_loopback_init(BackendFuncs *func_list);
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void alc_loopback_deinit(void);
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void alc_loopback_probe(enum DevProbe type);
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/* Device formats */
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enum DevFmtType {
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DevFmtByte = AL_BYTE,
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DevFmtUByte = AL_UNSIGNED_BYTE,
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DevFmtShort = AL_SHORT,
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DevFmtUShort = AL_UNSIGNED_SHORT,
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DevFmtFloat = AL_FLOAT
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};
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enum DevFmtChannels {
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DevFmtMono = AL_MONO,
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DevFmtStereo = AL_STEREO,
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DevFmtQuad = AL_QUAD,
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DevFmtX51 = AL_5POINT1,
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DevFmtX61 = AL_6POINT1,
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DevFmtX71 = AL_7POINT1,
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/* Similar to 5.1, except using the side channels instead of back */
|
|
DevFmtX51Side = 0x80000000 | AL_5POINT1
|
|
};
|
|
|
|
ALuint BytesFromDevFmt(enum DevFmtType type);
|
|
ALuint ChannelsFromDevFmt(enum DevFmtChannels chans);
|
|
static __inline ALuint FrameSizeFromDevFmt(enum DevFmtChannels chans,
|
|
enum DevFmtType type)
|
|
{
|
|
return ChannelsFromDevFmt(chans) * BytesFromDevFmt(type);
|
|
}
|
|
|
|
|
|
extern const struct EffectList {
|
|
const char *name;
|
|
int type;
|
|
const char *ename;
|
|
ALenum val;
|
|
} EffectList[];
|
|
|
|
|
|
struct ALCdevice_struct
|
|
{
|
|
ALCboolean Connected;
|
|
ALboolean IsCaptureDevice;
|
|
ALboolean IsLoopbackDevice;
|
|
|
|
CRITICAL_SECTION Mutex;
|
|
|
|
ALuint Frequency;
|
|
ALuint UpdateSize;
|
|
ALuint NumUpdates;
|
|
enum DevFmtChannels FmtChans;
|
|
enum DevFmtType FmtType;
|
|
|
|
ALCchar *szDeviceName;
|
|
|
|
ALCenum LastError;
|
|
|
|
// Maximum number of sources that can be created
|
|
ALuint MaxNoOfSources;
|
|
// Maximum number of slots that can be created
|
|
ALuint AuxiliaryEffectSlotMax;
|
|
|
|
ALCuint NumMonoSources;
|
|
ALCuint NumStereoSources;
|
|
ALuint NumAuxSends;
|
|
|
|
// Map of Buffers for this device
|
|
UIntMap BufferMap;
|
|
|
|
// Map of Effects for this device
|
|
UIntMap EffectMap;
|
|
|
|
// Map of Filters for this device
|
|
UIntMap FilterMap;
|
|
|
|
// Stereo-to-binaural filter
|
|
struct bs2b *Bs2b;
|
|
ALCint Bs2bLevel;
|
|
|
|
// Device flags
|
|
ALuint Flags;
|
|
|
|
// Dry path buffer mix
|
|
ALfloat DryBuffer[BUFFERSIZE][MAXCHANNELS];
|
|
|
|
enum Channel DevChannels[MAXCHANNELS];
|
|
|
|
enum Channel Speaker2Chan[MAXCHANNELS];
|
|
ALfloat PanningLUT[LUT_NUM][MAXCHANNELS];
|
|
ALuint NumChan;
|
|
|
|
ALfloat ClickRemoval[MAXCHANNELS];
|
|
ALfloat PendingClicks[MAXCHANNELS];
|
|
|
|
// Contexts created on this device
|
|
ALCcontext *ContextList;
|
|
ALuint NumContexts;
|
|
|
|
BackendFuncs *Funcs;
|
|
void *ExtraData; // For the backend's use
|
|
|
|
ALCdevice *next;
|
|
};
|
|
|
|
#define ALCdevice_OpenPlayback(a,b) ((a)->Funcs->OpenPlayback((a), (b)))
|
|
#define ALCdevice_ClosePlayback(a) ((a)->Funcs->ClosePlayback((a)))
|
|
#define ALCdevice_ResetPlayback(a) ((a)->Funcs->ResetPlayback((a)))
|
|
#define ALCdevice_StopPlayback(a) ((a)->Funcs->StopPlayback((a)))
|
|
#define ALCdevice_OpenCapture(a,b) ((a)->Funcs->OpenCapture((a), (b)))
|
|
#define ALCdevice_CloseCapture(a) ((a)->Funcs->CloseCapture((a)))
|
|
#define ALCdevice_StartCapture(a) ((a)->Funcs->StartCapture((a)))
|
|
#define ALCdevice_StopCapture(a) ((a)->Funcs->StopCapture((a)))
|
|
#define ALCdevice_CaptureSamples(a,b,c) ((a)->Funcs->CaptureSamples((a), (b), (c)))
|
|
#define ALCdevice_AvailableSamples(a) ((a)->Funcs->AvailableSamples((a)))
|
|
|
|
// Duplicate stereo sources on the side/rear channels
|
|
#define DEVICE_DUPLICATE_STEREO (1<<0)
|
|
// Use HRTF filters for mixing sounds
|
|
#define DEVICE_USE_HRTF (1<<1)
|
|
// Frequency was requested by the app or config file
|
|
#define DEVICE_FREQUENCY_REQUEST (1<<2)
|
|
// Channel configuration was requested by the config file
|
|
#define DEVICE_CHANNELS_REQUEST (1<<3)
|
|
|
|
// Specifies if the device is currently running
|
|
#define DEVICE_RUNNING (1<<31)
|
|
|
|
struct ALCcontext_struct
|
|
{
|
|
volatile RefCount ref;
|
|
|
|
ALlistener Listener;
|
|
|
|
UIntMap SourceMap;
|
|
UIntMap EffectSlotMap;
|
|
|
|
ALenum LastError;
|
|
|
|
volatile ALenum UpdateSources;
|
|
|
|
volatile enum DistanceModel DistanceModel;
|
|
volatile ALboolean SourceDistanceModel;
|
|
|
|
volatile ALfloat DopplerFactor;
|
|
volatile ALfloat DopplerVelocity;
|
|
volatile ALfloat flSpeedOfSound;
|
|
volatile ALenum DeferUpdates;
|
|
|
|
struct ALsource **ActiveSources;
|
|
ALsizei ActiveSourceCount;
|
|
ALsizei MaxActiveSources;
|
|
|
|
struct ALeffectslot **ActiveEffectSlots;
|
|
ALsizei ActiveEffectSlotCount;
|
|
ALsizei MaxActiveEffectSlots;
|
|
|
|
ALCdevice *Device;
|
|
const ALCchar *ExtensionList;
|
|
|
|
ALCcontext *next;
|
|
};
|
|
|
|
void ALCcontext_IncRef(ALCcontext *context);
|
|
void ALCcontext_DecRef(ALCcontext *context);
|
|
|
|
void AppendDeviceList(const ALCchar *name);
|
|
void AppendAllDeviceList(const ALCchar *name);
|
|
void AppendCaptureDeviceList(const ALCchar *name);
|
|
|
|
ALCvoid alcSetError(ALCdevice *device, ALenum errorCode);
|
|
|
|
ALCvoid LockDevice(ALCdevice *device);
|
|
ALCvoid UnlockDevice(ALCdevice *device);
|
|
ALCvoid LockContext(ALCcontext *context);
|
|
ALCvoid UnlockContext(ALCcontext *context);
|
|
|
|
ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr);
|
|
ALuint StopThread(ALvoid *thread);
|
|
|
|
ALCcontext *GetLockedContext(void);
|
|
ALCcontext *GetContextRef(void);
|
|
|
|
typedef struct RingBuffer RingBuffer;
|
|
RingBuffer *CreateRingBuffer(ALsizei frame_size, ALsizei length);
|
|
void DestroyRingBuffer(RingBuffer *ring);
|
|
ALsizei RingBufferSize(RingBuffer *ring);
|
|
void WriteRingBuffer(RingBuffer *ring, const ALubyte *data, ALsizei len);
|
|
void ReadRingBuffer(RingBuffer *ring, ALubyte *data, ALsizei len);
|
|
|
|
void ReadALConfig(void);
|
|
void FreeALConfig(void);
|
|
int ConfigValueExists(const char *blockName, const char *keyName);
|
|
const char *GetConfigValue(const char *blockName, const char *keyName, const char *def);
|
|
int GetConfigValueInt(const char *blockName, const char *keyName, int def);
|
|
float GetConfigValueFloat(const char *blockName, const char *keyName, float def);
|
|
int GetConfigValueBool(const char *blockName, const char *keyName, int def);
|
|
|
|
void SetRTPriority(void);
|
|
|
|
void SetDefaultChannelOrder(ALCdevice *device);
|
|
void SetDefaultWFXChannelOrder(ALCdevice *device);
|
|
|
|
const ALCchar *DevFmtTypeString(enum DevFmtType type);
|
|
const ALCchar *DevFmtChannelsString(enum DevFmtChannels chans);
|
|
|
|
#define HRIR_BITS (5)
|
|
#define HRIR_LENGTH (1<<HRIR_BITS)
|
|
#define HRIR_MASK (HRIR_LENGTH-1)
|
|
void InitHrtf(void);
|
|
ALCboolean IsHrtfCompatible(ALCdevice *device);
|
|
ALfloat CalcHrtfDelta(ALfloat oldGain, ALfloat newGain, const ALfloat olddir[3], const ALfloat newdir[3]);
|
|
void GetLerpedHrtfCoeffs(ALfloat elevation, ALfloat azimuth, ALfloat gain, ALfloat (*coeffs)[2], ALuint *delays);
|
|
ALuint GetMovingHrtfCoeffs(ALfloat elevation, ALfloat azimuth, ALfloat gain, ALfloat delta, ALint counter, ALfloat (*coeffs)[2], ALuint *delays, ALfloat (*coeffStep)[2], ALint *delayStep);
|
|
|
|
void al_print(const char *fname, unsigned int line, const char *fmt, ...)
|
|
PRINTF_STYLE(3,4);
|
|
#define AL_PRINT(...) al_print(__FILE__, __LINE__, __VA_ARGS__)
|
|
|
|
extern FILE *LogFile;
|
|
enum LogLevel {
|
|
NoLog,
|
|
LogError,
|
|
LogWarning,
|
|
LogTrace
|
|
};
|
|
extern enum LogLevel LogLevel;
|
|
|
|
#define TRACE(...) do { \
|
|
if(LogLevel >= LogTrace) \
|
|
AL_PRINT(__VA_ARGS__); \
|
|
} while(0)
|
|
|
|
#define WARN(...) do { \
|
|
if(LogLevel >= LogWarning) \
|
|
AL_PRINT(__VA_ARGS__); \
|
|
} while(0)
|
|
|
|
#define ERR(...) do { \
|
|
if(LogLevel >= LogError) \
|
|
AL_PRINT(__VA_ARGS__); \
|
|
} while(0)
|
|
|
|
|
|
extern ALdouble ConeScale;
|
|
extern ALdouble ZScale;
|
|
|
|
extern ALint RTPrioLevel;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|