open source
This commit is contained in:
lvfulong
@@ -0,0 +1,497 @@
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#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 AL_EXT_buffer_sub_data
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#define AL_EXT_buffer_sub_data 1
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#define AL_BYTE_RW_OFFSETS_EXT 0x1031
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#define AL_SAMPLE_RW_OFFSETS_EXT 0x1032
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typedef ALvoid (AL_APIENTRY*PFNALBUFFERSUBDATAEXTPROC)(ALuint,ALenum,const ALvoid*,ALsizei,ALsizei);
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#ifdef AL_ALEXT_PROTOTYPES
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AL_API ALvoid AL_APIENTRY alBufferSubDataEXT(ALuint buffer,ALenum format,const ALvoid *data,ALsizei offset,ALsizei length);
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#endif
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#endif
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#ifndef AL_EXT_sample_buffer_object
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#define AL_EXT_sample_buffer_object 1
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typedef ptrdiff_t ALintptrEXT;
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typedef ptrdiff_t ALsizeiptrEXT;
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#define AL_SAMPLE_SOURCE_EXT 0x1040
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#define AL_SAMPLE_SINK_EXT 0x1041
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#define AL_READ_ONLY_EXT 0x1042
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#define AL_WRITE_ONLY_EXT 0x1043
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#define AL_READ_WRITE_EXT 0x1044
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#define AL_STREAM_WRITE_EXT 0x1045
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#define AL_STREAM_READ_EXT 0x1046
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#define AL_STREAM_COPY_EXT 0x1047
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#define AL_STATIC_WRITE_EXT 0x1048
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#define AL_STATIC_READ_EXT 0x1049
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#define AL_STATIC_COPY_EXT 0x104A
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#define AL_DYNAMIC_WRITE_EXT 0x104B
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#define AL_DYNAMIC_READ_EXT 0x104C
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#define AL_DYNAMIC_COPY_EXT 0x104D
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typedef ALvoid (AL_APIENTRY*PFNALGENDATABUFFERSEXTPROC)(ALsizei n,ALuint *puiBuffers);
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typedef ALvoid (AL_APIENTRY*PFNALDELETEDATABUFFERSEXTPROC)(ALsizei n, const ALuint *puiBuffers);
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typedef ALboolean (AL_APIENTRY*PFNALISDATABUFFEREXTPROC)(ALuint uiBuffer);
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typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERDATAEXTPROC)(ALuint buffer,const ALvoid *data,ALsizeiptrEXT size,ALenum usage);
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typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERSUBDATAEXTPROC)(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, const ALvoid *);
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typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERSUBDATAEXTPROC)(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, ALvoid *);
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typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERFEXTPROC)(ALuint buffer, ALenum eParam, ALfloat flValue);
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typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERFVEXTPROC)(ALuint buffer, ALenum eParam, const ALfloat* flValues);
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typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERIEXTPROC)(ALuint buffer, ALenum eParam, ALint lValue);
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typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERIVEXTPROC)(ALuint buffer, ALenum eParam, const ALint* plValues);
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typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERFEXTPROC)(ALuint buffer, ALenum eParam, ALfloat *pflValue);
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typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERFVEXTPROC)(ALuint buffer, ALenum eParam, ALfloat* pflValues);
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typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERIEXTPROC)(ALuint buffer, ALenum eParam, ALint *plValue);
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typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERIVEXTPROC)(ALuint buffer, ALenum eParam, ALint* plValues);
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typedef ALvoid (AL_APIENTRY*PFNALSELECTDATABUFFEREXTPROC)(ALenum target, ALuint uiBuffer);
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typedef ALvoid* (AL_APIENTRY*PFNALMAPDATABUFFEREXTPROC)(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALenum access);
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typedef ALvoid (AL_APIENTRY*PFNALUNMAPDATABUFFEREXTPROC)(ALuint uiBuffer);
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#ifdef AL_ALEXT_PROTOTYPES
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AL_API ALvoid AL_APIENTRY alGenDatabuffersEXT(ALsizei n,ALuint *puiBuffers);
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AL_API ALvoid AL_APIENTRY alDeleteDatabuffersEXT(ALsizei n, const ALuint *puiBuffers);
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AL_API ALboolean AL_APIENTRY alIsDatabufferEXT(ALuint uiBuffer);
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AL_API ALvoid AL_APIENTRY alDatabufferDataEXT(ALuint buffer,const ALvoid *data,ALsizeiptrEXT size,ALenum usage);
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AL_API ALvoid AL_APIENTRY alDatabufferSubDataEXT(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, const ALvoid *data);
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AL_API ALvoid AL_APIENTRY alGetDatabufferSubDataEXT(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, ALvoid *data);
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AL_API ALvoid AL_APIENTRY alDatabufferfEXT(ALuint buffer, ALenum eParam, ALfloat flValue);
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AL_API ALvoid AL_APIENTRY alDatabufferfvEXT(ALuint buffer, ALenum eParam, const ALfloat* flValues);
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AL_API ALvoid AL_APIENTRY alDatabufferiEXT(ALuint buffer, ALenum eParam, ALint lValue);
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AL_API ALvoid AL_APIENTRY alDatabufferivEXT(ALuint buffer, ALenum eParam, const ALint* plValues);
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AL_API ALvoid AL_APIENTRY alGetDatabufferfEXT(ALuint buffer, ALenum eParam, ALfloat *pflValue);
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AL_API ALvoid AL_APIENTRY alGetDatabufferfvEXT(ALuint buffer, ALenum eParam, ALfloat* pflValues);
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AL_API ALvoid AL_APIENTRY alGetDatabufferiEXT(ALuint buffer, ALenum eParam, ALint *plValue);
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AL_API ALvoid AL_APIENTRY alGetDatabufferivEXT(ALuint buffer, ALenum eParam, ALint* plValues);
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AL_API ALvoid AL_APIENTRY alSelectDatabufferEXT(ALenum target, ALuint uiBuffer);
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AL_API ALvoid* AL_APIENTRY alMapDatabufferEXT(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALenum access);
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AL_API ALvoid AL_APIENTRY alUnmapDatabufferEXT(ALuint uiBuffer);
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#endif
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#endif
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#ifndef AL_EXT_loop_points
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#define AL_EXT_loop_points 1
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#define AL_LOOP_POINTS 0x2015
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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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#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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#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 tls_type;
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#define tls_create(x) (*(x) = TlsAlloc())
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#define tls_delete(x) TlsFree((x))
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#define tls_get(x) TlsGetValue((x))
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#define tls_set(x, a) TlsSetValue((x), (a))
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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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#ifdef ANDROID
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#include <android/log.h>
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#endif
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#define IsBadWritePtr(a,b) ((a) == NULL && (b) != 0)
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typedef pthread_key_t tls_type;
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#define tls_create(x) pthread_key_create((x), NULL)
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#define tls_delete(x) pthread_key_delete((x))
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#define tls_get(x) pthread_getspecific((x))
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#define tls_set(x, a) pthread_setspecific((x), (a))
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typedef pthread_mutex_t CRITICAL_SECTION;
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static __inline void EnterCriticalSection(CRITICAL_SECTION *cs)
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{
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int ret;
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ret = pthread_mutex_lock(cs);
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assert(ret == 0);
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}
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static __inline void LeaveCriticalSection(CRITICAL_SECTION *cs)
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{
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int ret;
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ret = pthread_mutex_unlock(cs);
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assert(ret == 0);
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}
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static __inline void InitializeCriticalSection(CRITICAL_SECTION *cs)
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{
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pthread_mutexattr_t attrib;
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int ret;
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ret = pthread_mutexattr_init(&attrib);
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assert(ret == 0);
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ret = pthread_mutexattr_settype(&attrib, PTHREAD_MUTEX_RECURSIVE);
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#ifdef HAVE_PTHREAD_NP_H
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if(ret != 0)
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ret = pthread_mutexattr_setkind_np(&attrib, PTHREAD_MUTEX_RECURSIVE);
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#endif
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assert(ret == 0);
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ret = pthread_mutex_init(cs, &attrib);
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assert(ret == 0);
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pthread_mutexattr_destroy(&attrib);
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}
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static __inline void DeleteCriticalSection(CRITICAL_SECTION *cs)
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{
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int ret;
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ret = pthread_mutex_destroy(cs);
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assert(ret == 0);
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}
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/* NOTE: This wrapper isn't quite accurate as it returns an ALuint, as opposed
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* to the expected DWORD. Both are defined as unsigned 32-bit types, however.
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* Additionally, Win32 is supposed to measure the time since Windows started,
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* as opposed to the actual time. */
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static __inline ALuint timeGetTime(void)
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{
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int ret;
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#if _POSIX_TIMERS > 0
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struct timespec ts;
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ret = clock_gettime(CLOCK_REALTIME, &ts);
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assert(ret == 0);
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return ts.tv_nsec/1000000 + ts.tv_sec*1000;
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#else
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struct timeval tv;
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ret = gettimeofday(&tv, NULL);
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assert(ret == 0);
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return tv.tv_usec/1000 + tv.tv_sec*1000;
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#endif
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}
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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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#define min(x,y) (((x)<(y))?(x):(y))
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#define max(x,y) (((x)>(y))?(x):(y))
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#endif
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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 SWMIXER_OUTPUT_RATE 44100
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#define SPEEDOFSOUNDMETRESPERSEC (343.3f)
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#define AIRABSORBGAINDBHF (-0.05f)
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#define LOWPASSFREQCUTOFF (5000)
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#define DEFAULT_HEAD_DAMPEN (0.25f)
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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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typedef struct {
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ALCboolean (*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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ALCboolean (*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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enum {
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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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void alc_alsa_init(BackendFuncs *func_list);
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void alc_alsa_deinit(void);
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void alc_alsa_probe(int type);
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void alc_oss_init(BackendFuncs *func_list);
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void alc_oss_deinit(void);
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void alc_oss_probe(int type);
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void alc_solaris_init(BackendFuncs *func_list);
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void alc_solaris_deinit(void);
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void alc_solaris_probe(int type);
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void alcDSoundInit(BackendFuncs *func_list);
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void alcDSoundDeinit(void);
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void alcDSoundProbe(int type);
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void alcWinMMInit(BackendFuncs *FuncList);
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void alcWinMMDeinit(void);
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void alcWinMMProbe(int type);
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void alc_pa_init(BackendFuncs *func_list);
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void alc_pa_deinit(void);
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void alc_pa_probe(int type);
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void alc_wave_init(BackendFuncs *func_list);
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void alc_wave_deinit(void);
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void alc_wave_probe(int type);
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void alc_pulse_init(BackendFuncs *func_list);
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void alc_pulse_deinit(void);
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void alc_pulse_probe(int type);
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void alc_android_init(BackendFuncs *func_list);
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void alc_android_deinit(void);
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void alc_android_probe(int type);
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void alc_null_init(BackendFuncs *func_list);
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void alc_null_deinit(void);
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void alc_null_probe(int type);
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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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} UIntMap;
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void InitUIntMap(UIntMap *map);
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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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static __inline ALvoid *LookupUIntMapKey(UIntMap *map, ALuint key)
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{
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if(map->size > 0)
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{
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ALsizei low = 0;
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ALsizei high = map->size - 1;
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while(low < high)
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||||
{
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ALsizei mid = low + (high-low)/2;
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if(map->array[mid].key < key)
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low = mid + 1;
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else
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high = mid;
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}
|
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if(map->array[low].key == key)
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return map->array[low].value;
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||||
}
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return NULL;
|
||||
}
|
||||
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||||
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||||
struct ALCdevice_struct
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||||
{
|
||||
ALCboolean Connected;
|
||||
ALboolean IsCaptureDevice;
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||||
|
||||
ALuint Frequency;
|
||||
ALuint UpdateSize;
|
||||
ALuint NumUpdates;
|
||||
ALenum Format;
|
||||
|
||||
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;
|
||||
|
||||
// Map of Databuffers for this device
|
||||
UIntMap DatabufferMap;
|
||||
|
||||
// Stereo-to-binaural filter
|
||||
struct bs2b *Bs2b;
|
||||
ALCint Bs2bLevel;
|
||||
|
||||
// Simulated dampening from head occlusion
|
||||
ALfloat HeadDampen;
|
||||
|
||||
// Duplicate stereo sources on the side/rear channels
|
||||
ALboolean DuplicateStereo;
|
||||
|
||||
// Dry path buffer mix
|
||||
float DryBuffer[BUFFERSIZE][OUTPUTCHANNELS];
|
||||
|
||||
ALuint DevChannels[OUTPUTCHANNELS];
|
||||
|
||||
ALfloat ChannelMatrix[OUTPUTCHANNELS][OUTPUTCHANNELS];
|
||||
|
||||
Channel Speaker2Chan[OUTPUTCHANNELS];
|
||||
ALfloat PanningLUT[OUTPUTCHANNELS * LUT_NUM];
|
||||
ALuint NumChan;
|
||||
|
||||
// Contexts created on this device
|
||||
ALCcontext **Contexts;
|
||||
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)))
|
||||
|
||||
struct ALCcontext_struct
|
||||
{
|
||||
ALlistener Listener;
|
||||
|
||||
UIntMap SourceMap;
|
||||
UIntMap EffectSlotMap;
|
||||
|
||||
struct ALdatabuffer *SampleSource;
|
||||
struct ALdatabuffer *SampleSink;
|
||||
|
||||
ALenum LastError;
|
||||
|
||||
ALboolean Suspended;
|
||||
|
||||
ALenum DistanceModel;
|
||||
ALboolean SourceDistanceModel;
|
||||
|
||||
ALfloat DopplerFactor;
|
||||
ALfloat DopplerVelocity;
|
||||
ALfloat flSpeedOfSound;
|
||||
|
||||
struct ALsource **ActiveSources;
|
||||
ALsizei ActiveSourceCount;
|
||||
ALsizei MaxActiveSources;
|
||||
|
||||
ALCdevice *Device;
|
||||
const ALCchar *ExtensionList;
|
||||
|
||||
ALCcontext *next;
|
||||
};
|
||||
|
||||
ALCvoid ReleaseALC(ALCvoid);
|
||||
|
||||
void AppendDeviceList(const ALCchar *name);
|
||||
void AppendAllDeviceList(const ALCchar *name);
|
||||
void AppendCaptureDeviceList(const ALCchar *name);
|
||||
|
||||
ALCvoid alcSetError(ALCdevice *device, ALenum errorCode);
|
||||
|
||||
ALCvoid SuspendContext(ALCcontext *context);
|
||||
ALCvoid ProcessContext(ALCcontext *context);
|
||||
|
||||
ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr);
|
||||
ALuint StopThread(ALvoid *thread);
|
||||
|
||||
ALCcontext *GetContextSuspended(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);
|
||||
|
||||
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__)
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user