493 lines
16 KiB
C
493 lines
16 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 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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#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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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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{
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ALCboolean Connected;
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ALboolean IsCaptureDevice;
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ALuint Frequency;
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ALuint UpdateSize;
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ALuint NumUpdates;
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ALenum Format;
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ALCchar *szDeviceName;
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ALCenum LastError;
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// Maximum number of sources that can be created
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ALuint MaxNoOfSources;
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// Maximum number of slots that can be created
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ALuint AuxiliaryEffectSlotMax;
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ALCuint NumMonoSources;
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ALCuint NumStereoSources;
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ALuint NumAuxSends;
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// Map of Buffers for this device
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UIntMap BufferMap;
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// Map of Effects for this device
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UIntMap EffectMap;
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// Map of Filters for this device
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UIntMap FilterMap;
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// Linked List of Databuffers for this device
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struct ALdatabuffer *DatabufferList;
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ALuint DatabufferCount;
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// Stereo-to-binaural filter
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struct bs2b *Bs2b;
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ALCint Bs2bLevel;
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// Simulated dampening from head occlusion
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ALfloat HeadDampen;
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// Duplicate stereo sources on the side/rear channels
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ALboolean DuplicateStereo;
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// Dry path buffer mix
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float DryBuffer[BUFFERSIZE][OUTPUTCHANNELS];
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ALuint DevChannels[OUTPUTCHANNELS];
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ALfloat ChannelMatrix[OUTPUTCHANNELS][OUTPUTCHANNELS];
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Channel Speaker2Chan[OUTPUTCHANNELS];
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ALfloat PanningLUT[OUTPUTCHANNELS * LUT_NUM];
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ALuint NumChan;
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// Contexts created on this device
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ALCcontext **Contexts;
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ALuint NumContexts;
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BackendFuncs *Funcs;
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void *ExtraData; // For the backend's use
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ALCdevice *next;
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};
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#define ALCdevice_OpenPlayback(a,b) ((a)->Funcs->OpenPlayback((a), (b)))
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#define ALCdevice_ClosePlayback(a) ((a)->Funcs->ClosePlayback((a)))
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#define ALCdevice_ResetPlayback(a) ((a)->Funcs->ResetPlayback((a)))
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#define ALCdevice_StopPlayback(a) ((a)->Funcs->StopPlayback((a)))
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#define ALCdevice_OpenCapture(a,b) ((a)->Funcs->OpenCapture((a), (b)))
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#define ALCdevice_CloseCapture(a) ((a)->Funcs->CloseCapture((a)))
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#define ALCdevice_StartCapture(a) ((a)->Funcs->StartCapture((a)))
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#define ALCdevice_StopCapture(a) ((a)->Funcs->StopCapture((a)))
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#define ALCdevice_CaptureSamples(a,b,c) ((a)->Funcs->CaptureSamples((a), (b), (c)))
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#define ALCdevice_AvailableSamples(a) ((a)->Funcs->AvailableSamples((a)))
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struct ALCcontext_struct
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{
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ALlistener Listener;
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UIntMap SourceMap;
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UIntMap EffectSlotMap;
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struct ALdatabuffer *SampleSource;
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struct ALdatabuffer *SampleSink;
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ALenum LastError;
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ALboolean Suspended;
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ALenum DistanceModel;
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ALboolean SourceDistanceModel;
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ALfloat DopplerFactor;
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ALfloat DopplerVelocity;
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ALfloat flSpeedOfSound;
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ALCdevice *Device;
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const ALCchar *ExtensionList;
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ALCcontext *next;
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};
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ALCvoid ReleaseALC(ALCvoid);
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void AppendDeviceList(const ALCchar *name);
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void AppendAllDeviceList(const ALCchar *name);
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void AppendCaptureDeviceList(const ALCchar *name);
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ALCvoid alcSetError(ALCdevice *device, ALenum errorCode);
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ALCvoid SuspendContext(ALCcontext *context);
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ALCvoid ProcessContext(ALCcontext *context);
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ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr);
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ALuint StopThread(ALvoid *thread);
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ALCcontext *GetContextSuspended(void);
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typedef struct RingBuffer RingBuffer;
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RingBuffer *CreateRingBuffer(ALsizei frame_size, ALsizei length);
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void DestroyRingBuffer(RingBuffer *ring);
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ALsizei RingBufferSize(RingBuffer *ring);
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void WriteRingBuffer(RingBuffer *ring, const ALubyte *data, ALsizei len);
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void ReadRingBuffer(RingBuffer *ring, ALubyte *data, ALsizei len);
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void ReadALConfig(void);
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void FreeALConfig(void);
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int ConfigValueExists(const char *blockName, const char *keyName);
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const char *GetConfigValue(const char *blockName, const char *keyName, const char *def);
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int GetConfigValueInt(const char *blockName, const char *keyName, int def);
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float GetConfigValueFloat(const char *blockName, const char *keyName, float def);
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int GetConfigValueBool(const char *blockName, const char *keyName, int def);
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void SetRTPriority(void);
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|
|
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void SetDefaultChannelOrder(ALCdevice *device);
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void SetDefaultWFXChannelOrder(ALCdevice *device);
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|
|
|
void al_print(const char *fname, unsigned int line, const char *fmt, ...)
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|
PRINTF_STYLE(3,4);
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|
#define AL_PRINT(...) al_print(__FILE__, __LINE__, __VA_ARGS__)
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|
|
|
#define DECL_VERIFIER(name, type, field) \
|
|
static type* Verify##name(type *list, ALuint id) \
|
|
{ \
|
|
while(list && list->field != id) \
|
|
list = list->next; \
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|
return list; \
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|