#ifndef AL_MAIN_H #define AL_MAIN_H #include #include #include #include #ifdef HAVE_FENV_H #include #endif #ifdef HAVE_FPU_CONTROL_H #include #endif #include "AL/al.h" #include "AL/alc.h" #include "AL/alext.h" /* Define int64_t and uint64_t types */ #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L #include #elif defined(_WIN32) && defined(__GNUC__) #include #elif defined(_WIN32) typedef __int64 int64_t; typedef unsigned __int64 uint64_t; #else /* Fallback if nothing above works */ #include #endif #ifndef AL_SOFT_deferred_updates #define AL_SOFT_deferred_updates 1 #define AL_DEFERRED_UPDATES_SOFT 0xC002 typedef ALvoid (AL_APIENTRY*LPALDEFERUPDATESSOFT)(void); typedef ALvoid (AL_APIENTRY*LPALPROCESSUPDATESSOFT)(void); #ifdef AL_ALEXT_PROTOTYPES AL_API ALvoid AL_APIENTRY alDeferUpdatesSOFT(void); AL_API ALvoid AL_APIENTRY alProcessUpdatesSOFT(void); #endif #endif #ifndef AL_SOFT_source_latency #define AL_SOFT_source_latency 1 #define AL_SAMPLE_OFFSET_LATENCY_SOFT 0x1200 typedef int64_t ALint64SOFT; typedef uint64_t ALuint64SOFT; typedef void (AL_APIENTRY*LPALGETSOURCEI64SOFT)(ALuint,ALenum,ALint64SOFT*); typedef void (AL_APIENTRY*LPALGETSOURCEI64VSOFT)(ALuint,ALenum,ALint64SOFT*); #ifdef AL_ALEXT_PROTOTYPES AL_API void AL_APIENTRY alGetSourcei64SOFT(ALuint source, ALenum param, ALint64SOFT *values); AL_API void AL_APIENTRY alGetSourcei64vSOFT(ALuint source, ALenum param, ALint64SOFT *values); #endif #endif #if defined(HAVE_STDINT_H) #include typedef int64_t ALint64; typedef uint64_t ALuint64; #elif defined(HAVE___INT64) typedef __int64 ALint64; typedef unsigned __int64 ALuint64; #elif (SIZEOF_LONG == 8) typedef long ALint64; typedef unsigned long ALuint64; #elif (SIZEOF_LONG_LONG == 8) typedef long long ALint64; typedef unsigned long long ALuint64; #endif typedef ptrdiff_t ALintptrEXT; typedef ptrdiff_t ALsizeiptrEXT; #ifdef HAVE_GCC_FORMAT #define PRINTF_STYLE(x, y) __attribute__((format(printf, (x), (y)))) #else #define PRINTF_STYLE(x, y) #endif #if defined(HAVE_RESTRICT) #define RESTRICT restrict #elif defined(HAVE___RESTRICT) #define RESTRICT __restrict #else #define RESTRICT #endif static const union { ALuint u; ALubyte b[sizeof(ALuint)]; } EndianTest = { 1 }; #define IS_LITTLE_ENDIAN (EndianTest.b[0] == 1) #define COUNTOF(x) (sizeof((x))/sizeof((x)[0])) #ifdef _WIN32 #include typedef DWORD pthread_key_t; int pthread_key_create(pthread_key_t *key, void (*callback)(void*)); int pthread_key_delete(pthread_key_t key); void *pthread_getspecific(pthread_key_t key); int pthread_setspecific(pthread_key_t key, void *val); #define HAVE_DYNLOAD 1 void *LoadLib(const char *name); void CloseLib(void *handle); void *GetSymbol(void *handle, const char *name); WCHAR *strdupW(const WCHAR *str); typedef LONG pthread_once_t; #define PTHREAD_ONCE_INIT 0 void pthread_once(pthread_once_t *once, void (*callback)(void)); static __inline int sched_yield(void) { SwitchToThread(); return 0; } #else #include #include #include #include #include #include #define IsBadWritePtr(a,b) ((a) == NULL && (b) != 0) typedef pthread_mutex_t CRITICAL_SECTION; void InitializeCriticalSection(CRITICAL_SECTION *cs); void DeleteCriticalSection(CRITICAL_SECTION *cs); void EnterCriticalSection(CRITICAL_SECTION *cs); void LeaveCriticalSection(CRITICAL_SECTION *cs); ALuint timeGetTime(void); void Sleep(ALuint t); #if defined(HAVE_DLFCN_H) #define HAVE_DYNLOAD 1 void *LoadLib(const char *name); void CloseLib(void *handle); void *GetSymbol(void *handle, const char *name); #endif #endif typedef void *volatile XchgPtr; #if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) typedef ALuint RefCount; static __inline RefCount IncrementRef(volatile RefCount *ptr) { return __sync_add_and_fetch(ptr, 1); } static __inline RefCount DecrementRef(volatile RefCount *ptr) { return __sync_sub_and_fetch(ptr, 1); } static __inline int ExchangeInt(volatile int *ptr, int newval) { return __sync_lock_test_and_set(ptr, newval); } static __inline void *ExchangePtr(XchgPtr *ptr, void *newval) { return __sync_lock_test_and_set(ptr, newval); } static __inline ALboolean CompExchangeInt(volatile int *ptr, int oldval, int newval) { return __sync_bool_compare_and_swap(ptr, oldval, newval); } static __inline ALboolean CompExchangePtr(XchgPtr *ptr, void *oldval, void *newval) { return __sync_bool_compare_and_swap(ptr, oldval, newval); } #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) static __inline int xaddl(volatile int *dest, int incr) { int ret; __asm__ __volatile__("lock; xaddl %0,(%1)" : "=r" (ret) : "r" (dest), "0" (incr) : "memory"); return ret; } typedef int RefCount; static __inline RefCount IncrementRef(volatile RefCount *ptr) { return xaddl(ptr, 1)+1; } static __inline RefCount DecrementRef(volatile RefCount *ptr) { return xaddl(ptr, -1)-1; } static __inline int ExchangeInt(volatile int *dest, int newval) { int ret; __asm__ __volatile__("lock; xchgl %0,(%1)" : "=r" (ret) : "r" (dest), "0" (newval) : "memory"); return ret; } static __inline ALboolean CompExchangeInt(volatile int *dest, int oldval, int newval) { int ret; __asm__ __volatile__("lock; cmpxchgl %2,(%1)" : "=a" (ret) : "r" (dest), "r" (newval), "0" (oldval) : "memory"); return ret == oldval; } static __inline void *ExchangePtr(XchgPtr *dest, void *newval) { void *ret; __asm__ __volatile__( #ifdef __i386__ "lock; xchgl %0,(%1)" #else "lock; xchgq %0,(%1)" #endif : "=r" (ret) : "r" (dest), "0" (newval) : "memory" ); return ret; } static __inline ALboolean CompExchangePtr(XchgPtr *dest, void *oldval, void *newval) { void *ret; __asm__ __volatile__( #ifdef __i386__ "lock; cmpxchgl %2,(%1)" #else "lock; cmpxchgq %2,(%1)" #endif : "=a" (ret) : "r" (dest), "r" (newval), "0" (oldval) : "memory" ); return ret == oldval; } #elif defined(_WIN32) typedef LONG RefCount; static __inline RefCount IncrementRef(volatile RefCount *ptr) { return InterlockedIncrement(ptr); } static __inline RefCount DecrementRef(volatile RefCount *ptr) { return InterlockedDecrement(ptr); } extern ALbyte LONG_size_does_not_match_int[(sizeof(LONG)==sizeof(int))?1:-1]; static __inline int ExchangeInt(volatile int *ptr, int newval) { union { volatile int *i; volatile LONG *l; } u = { ptr }; return InterlockedExchange(u.l, newval); } static __inline void *ExchangePtr(XchgPtr *ptr, void *newval) { return InterlockedExchangePointer(ptr, newval); } static __inline ALboolean CompExchangeInt(volatile int *ptr, int oldval, int newval) { union { volatile int *i; volatile LONG *l; } u = { ptr }; return InterlockedCompareExchange(u.l, newval, oldval) == oldval; } static __inline ALboolean CompExchangePtr(XchgPtr *ptr, void *oldval, void *newval) { return InterlockedCompareExchangePointer(ptr, newval, oldval) == oldval; } #elif defined(__APPLE__) #include typedef int32_t RefCount; static __inline RefCount IncrementRef(volatile RefCount *ptr) { return OSAtomicIncrement32Barrier(ptr); } static __inline RefCount DecrementRef(volatile RefCount *ptr) { return OSAtomicDecrement32Barrier(ptr); } static __inline int ExchangeInt(volatile int *ptr, int newval) { /* Really? No regular old atomic swap? */ int oldval; do { oldval = *ptr; } while(!OSAtomicCompareAndSwap32Barrier(oldval, newval, ptr)); return oldval; } static __inline void *ExchangePtr(XchgPtr *ptr, void *newval) { void *oldval; do { oldval = *ptr; } while(!OSAtomicCompareAndSwapPtrBarrier(oldval, newval, ptr)); return oldval; } static __inline ALboolean CompExchangeInt(volatile int *ptr, int oldval, int newval) { return OSAtomicCompareAndSwap32Barrier(oldval, newval, ptr); } static __inline ALboolean CompExchangePtr(XchgPtr *ptr, void *oldval, void *newval) { return OSAtomicCompareAndSwapPtrBarrier(oldval, newval, ptr); } #else #error "No atomic functions available on this platform!" typedef ALuint RefCount; #endif typedef struct { volatile RefCount read_count; volatile RefCount write_count; volatile ALenum read_lock; volatile ALenum read_entry_lock; volatile ALenum write_lock; } RWLock; void RWLockInit(RWLock *lock); void ReadLock(RWLock *lock); void ReadUnlock(RWLock *lock); void WriteLock(RWLock *lock); void WriteUnlock(RWLock *lock); typedef struct UIntMap { struct { ALuint key; ALvoid *value; } *array; ALsizei size; ALsizei maxsize; ALsizei limit; RWLock lock; } UIntMap; extern UIntMap TlsDestructor; void InitUIntMap(UIntMap *map, ALsizei limit); void ResetUIntMap(UIntMap *map); ALenum InsertUIntMapEntry(UIntMap *map, ALuint key, ALvoid *value); ALvoid *RemoveUIntMapKey(UIntMap *map, ALuint key); ALvoid *LookupUIntMapKey(UIntMap *map, ALuint key); static __inline void LockUIntMapRead(UIntMap *map) { ReadLock(&map->lock); } static __inline void UnlockUIntMapRead(UIntMap *map) { ReadUnlock(&map->lock); } static __inline void LockUIntMapWrite(UIntMap *map) { WriteLock(&map->lock); } static __inline void UnlockUIntMapWrite(UIntMap *map) { WriteUnlock(&map->lock); } #include "alListener.h" #include "alu.h" #ifdef __cplusplus extern "C" { #endif #define DEFAULT_OUTPUT_RATE (44100) #define MIN_OUTPUT_RATE (8000) #define SPEEDOFSOUNDMETRESPERSEC (343.3f) #define AIRABSORBGAINHF (0.99426f) /* -0.05dB */ #define LOWPASSFREQREF (5000) struct Hrtf; // Find the next power-of-2 for non-power-of-2 numbers. static __inline ALuint NextPowerOf2(ALuint value) { ALuint powerOf2 = 1; if(value) { value--; while(value) { value >>= 1; powerOf2 <<= 1; } } return powerOf2; } /* Fast float-to-int conversion. Assumes the FPU is already in round-to-zero * mode. */ static __inline ALint fastf2i(ALfloat f) { ALint i; #if defined(_MSC_VER) && defined(_M_IX86) __asm fld f __asm fistp i #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) __asm__ __volatile__("flds %1\n\t" "fistpl %0\n\t" : "=m" (i) : "m" (f)); #else i = (ALint)f; #endif return i; } /* Fast float-to-uint conversion. Assumes the FPU is already in round-to-zero * mode. */ static __inline ALuint fastf2u(ALfloat f) { return fastf2i(f); } enum DevProbe { ALL_DEVICE_PROBE, CAPTURE_DEVICE_PROBE }; typedef struct { ALCenum (*OpenPlayback)(ALCdevice*, const ALCchar*); void (*ClosePlayback)(ALCdevice*); ALCboolean (*ResetPlayback)(ALCdevice*); ALCboolean (*StartPlayback)(ALCdevice*); void (*StopPlayback)(ALCdevice*); ALCenum (*OpenCapture)(ALCdevice*, const ALCchar*); void (*CloseCapture)(ALCdevice*); void (*StartCapture)(ALCdevice*); void (*StopCapture)(ALCdevice*); ALCenum (*CaptureSamples)(ALCdevice*, void*, ALCuint); ALCuint (*AvailableSamples)(ALCdevice*); void (*Lock)(ALCdevice*); void (*Unlock)(ALCdevice*); ALint64 (*GetLatency)(ALCdevice*); } BackendFuncs; struct BackendInfo { const char *name; ALCboolean (*Init)(BackendFuncs*); void (*Deinit)(void); void (*Probe)(enum DevProbe); BackendFuncs Funcs; }; ALCboolean alc_alsa_init(BackendFuncs *func_list); void alc_alsa_deinit(void); void alc_alsa_probe(enum DevProbe type); ALCboolean alc_oss_init(BackendFuncs *func_list); void alc_oss_deinit(void); void alc_oss_probe(enum DevProbe type); ALCboolean alc_solaris_init(BackendFuncs *func_list); void alc_solaris_deinit(void); void alc_solaris_probe(enum DevProbe type); ALCboolean alc_sndio_init(BackendFuncs *func_list); void alc_sndio_deinit(void); void alc_sndio_probe(enum DevProbe type); ALCboolean alcMMDevApiInit(BackendFuncs *func_list); void alcMMDevApiDeinit(void); void alcMMDevApiProbe(enum DevProbe type); ALCboolean alcDSoundInit(BackendFuncs *func_list); void alcDSoundDeinit(void); void alcDSoundProbe(enum DevProbe type); ALCboolean alcWinMMInit(BackendFuncs *FuncList); void alcWinMMDeinit(void); void alcWinMMProbe(enum DevProbe type); ALCboolean alc_pa_init(BackendFuncs *func_list); void alc_pa_deinit(void); void alc_pa_probe(enum DevProbe type); ALCboolean alc_wave_init(BackendFuncs *func_list); void alc_wave_deinit(void); void alc_wave_probe(enum DevProbe type); ALCboolean alc_pulse_init(BackendFuncs *func_list); void alc_pulse_deinit(void); void alc_pulse_probe(enum DevProbe type); ALCboolean alc_ca_init(BackendFuncs *func_list); void alc_ca_deinit(void); void alc_ca_probe(enum DevProbe type); ALCboolean alc_opensl_init(BackendFuncs *func_list); void alc_opensl_deinit(void); void alc_opensl_probe(enum DevProbe type); ALCboolean alc_null_init(BackendFuncs *func_list); void alc_null_deinit(void); void alc_null_probe(enum DevProbe type); ALCboolean alc_loopback_init(BackendFuncs *func_list); void alc_loopback_deinit(void); void alc_loopback_probe(enum DevProbe type); /* Device formats */ enum DevFmtType { DevFmtByte = ALC_BYTE_SOFT, DevFmtUByte = ALC_UNSIGNED_BYTE_SOFT, DevFmtShort = ALC_SHORT_SOFT, DevFmtUShort = ALC_UNSIGNED_SHORT_SOFT, DevFmtInt = ALC_INT_SOFT, DevFmtUInt = ALC_UNSIGNED_INT_SOFT, DevFmtFloat = ALC_FLOAT_SOFT, DevFmtTypeDefault = DevFmtFloat }; enum DevFmtChannels { DevFmtMono = ALC_MONO_SOFT, DevFmtStereo = ALC_STEREO_SOFT, DevFmtQuad = ALC_QUAD_SOFT, DevFmtX51 = ALC_5POINT1_SOFT, DevFmtX61 = ALC_6POINT1_SOFT, DevFmtX71 = ALC_7POINT1_SOFT, /* Similar to 5.1, except using the side channels instead of back */ DevFmtX51Side = 0x80000000, DevFmtChannelsDefault = DevFmtStereo }; 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[]; enum DeviceType { Playback, Capture, Loopback }; struct ALCdevice_struct { volatile RefCount ref; ALCboolean Connected; enum DeviceType Type; CRITICAL_SECTION Mutex; ALuint Frequency; ALuint UpdateSize; ALuint NumUpdates; enum DevFmtChannels FmtChans; enum DevFmtType FmtType; ALCchar *DeviceName; volatile 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; /* HRTF filter tables */ const struct Hrtf *Hrtf; // 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 SpeakerAngle[MaxChannels]; ALuint NumChan; ALfloat ClickRemoval[MaxChannels]; ALfloat PendingClicks[MaxChannels]; /* Default effect slot */ struct ALeffectslot *DefaultSlot; // Contexts created on this device ALCcontext *volatile ContextList; BackendFuncs *Funcs; void *ExtraData; // For the backend's use ALCdevice *volatile 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_StartPlayback(a) ((a)->Funcs->StartPlayback((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))) #define ALCdevice_Lock(a) ((a)->Funcs->Lock((a))) #define ALCdevice_Unlock(a) ((a)->Funcs->Unlock((a))) #define ALCdevice_GetLatency(a) ((a)->Funcs->GetLatency((a))) // Frequency was requested by the app or config file #define DEVICE_FREQUENCY_REQUEST (1<<1) // Channel configuration was requested by the config file #define DEVICE_CHANNELS_REQUEST (1<<2) // Sample type was requested by the config file #define DEVICE_SAMPLE_TYPE_REQUEST (1<<3) // Stereo sources cover 120-degree angles around +/-90 #define DEVICE_WIDE_STEREO (1<<16) // Specifies if the device is currently running #define DEVICE_RUNNING (1<<31) #define LookupBuffer(m, k) ((struct ALbuffer*)LookupUIntMapKey(&(m)->BufferMap, (k))) #define LookupEffect(m, k) ((struct ALeffect*)LookupUIntMapKey(&(m)->EffectMap, (k))) #define LookupFilter(m, k) ((struct ALfilter*)LookupUIntMapKey(&(m)->FilterMap, (k))) #define RemoveBuffer(m, k) ((struct ALbuffer*)RemoveUIntMapKey(&(m)->BufferMap, (k))) #define RemoveEffect(m, k) ((struct ALeffect*)RemoveUIntMapKey(&(m)->EffectMap, (k))) #define RemoveFilter(m, k) ((struct ALfilter*)RemoveUIntMapKey(&(m)->FilterMap, (k))) 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 SpeedOfSound; volatile ALenum DeferUpdates; struct ALsource **ActiveSources; ALsizei ActiveSourceCount; ALsizei MaxActiveSources; struct ALeffectslot **ActiveEffectSlots; ALsizei ActiveEffectSlotCount; ALsizei MaxActiveEffectSlots; ALCdevice *Device; const ALCchar *ExtensionList; ALCcontext *volatile next; }; #define LookupSource(m, k) ((struct ALsource*)LookupUIntMapKey(&(m)->SourceMap, (k))) #define LookupEffectSlot(m, k) ((struct ALeffectslot*)LookupUIntMapKey(&(m)->EffectSlotMap, (k))) #define RemoveSource(m, k) ((struct ALsource*)RemoveUIntMapKey(&(m)->SourceMap, (k))) #define RemoveEffectSlot(m, k) ((struct ALeffectslot*)RemoveUIntMapKey(&(m)->EffectSlotMap, (k))) ALCcontext *GetContextRef(void); void ALCcontext_IncRef(ALCcontext *context); void ALCcontext_DecRef(ALCcontext *context); void AppendAllDevicesList(const ALCchar *name); void AppendCaptureDeviceList(const ALCchar *name); void ALCdevice_LockDefault(ALCdevice *device); void ALCdevice_UnlockDefault(ALCdevice *device); static __inline void LockContext(ALCcontext *context) { ALCdevice_Lock(context->Device); } static __inline void UnlockContext(ALCcontext *context) { ALCdevice_Unlock(context->Device); } void *al_malloc(size_t alignment, size_t size); void *al_calloc(size_t alignment, size_t size); void al_free(void *ptr); ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr); ALuint StopThread(ALvoid *thread); 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 GetConfigValueBool(const char *blockName, const char *keyName, int def); int ConfigValueStr(const char *blockName, const char *keyName, const char **ret); int ConfigValueInt(const char *blockName, const char *keyName, int *ret); int ConfigValueUInt(const char *blockName, const char *keyName, unsigned int *ret); int ConfigValueFloat(const char *blockName, const char *keyName, float *ret); 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<= LogRef) \ AL_PRINT(__VA_ARGS__); \ } while(0) #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 ALint RTPrioLevel; extern ALuint CPUCapFlags; enum { CPU_CAP_SSE = 1<<0, CPU_CAP_NEON = 1<<1, }; void FillCPUCaps(ALuint capfilter); /** * Starts a try block. Must not be nested within another try block within the * same function. */ #define al_try do { \ int _al_err=0; \ _al_try_label: \ if(_al_err == 0) /** * After a try or another catch block, runs the next block if the given value * was thrown. */ #define al_catch(val) else if(_al_err == (val)) /** * After a try or catch block, runs the next block for any value thrown and not * caught. */ #define al_catchany() else /** Marks the end of the final catch (or the try) block. */ #define al_endtry } while(0) /** * The given integer value is "thrown" so as to be caught by a catch block. * Must be called in a try block within the same function. The value must not * be 0. */ #define al_throw(e) do { \ _al_err = (e); \ assert(_al_err != 0); \ goto _al_try_label; \ } while(0) /** Sets an AL error on the given context, before throwing the error code. */ #define al_throwerr(ctx, err) do { \ alSetError((ctx), (err)); \ al_throw((err)); \ } while(0) /** * Throws an AL_INVALID_VALUE error with the given ctx if the given condition * is false. */ #define CHECK_VALUE(ctx, cond) do { \ if(!(cond)) \ al_throwerr((ctx), AL_INVALID_VALUE); \ } while(0) #ifdef __cplusplus } #endif #endif