jkxr/Projects/Android/jni/SupportLibs/openal/OpenAL32/Include/alMain.h
Simon 4597b03873 Initial Commit
Opens in Android Studio but haven't even tried to build it yet (it won't.. I know that much!)
2022-09-18 16:37:21 +01:00

770 lines
22 KiB
C

#ifndef AL_MAIN_H
#define AL_MAIN_H
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#ifdef HAVE_FENV_H
#include <fenv.h>
#endif
#ifdef HAVE_FPU_CONTROL_H
#include <fpu_control.h>
#endif
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#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
#if defined(HAVE_STDINT_H)
#include <stdint.h>
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 <windows.h>
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 <unistd.h>
#include <assert.h>
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
#include <sys/time.h>
#include <time.h>
#include <errno.h>
#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 <libkern/OSAtomic.h>
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*);
} 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_android_init(BackendFuncs *func_list);
void alc_android_deinit(void);
void alc_android_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 *szDeviceName;
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 PanningLUT[LUT_NUM][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)))
// Duplicate stereo sources on the side/rear channels
#define DEVICE_DUPLICATE_STEREO (1<<0)
// 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)
// 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 flSpeedOfSound;
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 AppendAllDeviceList(const ALCchar *name);
void AppendCaptureDeviceList(const ALCchar *name);
static __inline void LockDevice(ALCdevice *device)
{ EnterCriticalSection(&device->Mutex); }
static __inline void UnlockDevice(ALCdevice *device)
{ LeaveCriticalSection(&device->Mutex); }
static __inline void LockContext(ALCcontext *context)
{ LockDevice(context->Device); }
static __inline void UnlockContext(ALCcontext *context)
{ UnlockDevice(context->Device); }
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<<HRIR_BITS)
#define HRIR_MASK (HRIR_LENGTH-1)
void InitHrtf(void);
void FreeHrtf(void);
const struct Hrtf *GetHrtf(ALCdevice *device);
ALfloat CalcHrtfDelta(ALfloat oldGain, ALfloat newGain, const ALfloat olddir[3], const ALfloat newdir[3]);
void GetLerpedHrtfCoeffs(const struct Hrtf *Hrtf, ALfloat elevation, ALfloat azimuth, ALfloat gain, ALfloat (*coeffs)[2], ALuint *delays);
ALuint GetMovingHrtfCoeffs(const struct Hrtf *Hrtf, 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 *func, const char *fmt, ...) PRINTF_STYLE(2,3);
#define AL_PRINT(...) al_print(__FUNCTION__, __VA_ARGS__)
extern FILE *LogFile;
enum LogLevel {
NoLog,
LogError,
LogWarning,
LogTrace,
LogRef
};
extern enum LogLevel LogLevel;
#define TRACEREF(...) do { \
if(LogLevel >= 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;
#ifdef __cplusplus
}
#endif
#endif