AuroraOpenALSoft/OpenAL32/Include/alMain.h
2011-03-16 05:47:07 -07:00

542 lines
18 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
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#define AL_BYTE 1
#define AL_UNSIGNED_BYTE 2
#define AL_SHORT 3
#define AL_UNSIGNED_SHORT 4
#define AL_INT 5
#define AL_UNSIGNED_INT 6
#define AL_FLOAT 7
#define AL_DOUBLE 8
#define AL_MULAW 9
#define AL_IMA4 10
#define AL_MONO 1
#define AL_STEREO 2
#define AL_REAR 3
#define AL_QUAD 4
#define AL_5POINT1 5 /* (WFX order) */
#define AL_6POINT1 6 /* (WFX order) */
#define AL_7POINT1 7 /* (WFX order) */
#ifndef ALC_SOFT_device_loopback
#define ALC_SOFT_device_loopback 1
#define ALC_FORMAT_CHANNELS 0x1990
#define ALC_FORMAT_TYPE 0x1991
typedef ALCdevice* (ALC_APIENTRY*LPALCLOOPBACKOPENDEVICE)(void);
typedef ALCboolean (ALC_APIENTRY*LPALCISRENDERFORMATSUPPORTED)(ALCdevice *device, ALCsizei freq, ALenum channels, ALenum type);
typedef void (ALC_APIENTRY*LPALCRENDERSAMPLES)(ALCdevice *device, ALCvoid *buffer, ALCsizei samples);
#ifdef AL_ALEXT_PROTOTYPES
ALC_API ALCdevice* ALC_APIENTRY alcLoopbackOpenDevice(void);
ALC_API ALCboolean ALC_APIENTRY alcIsRenderFormatSupported(ALCdevice *device, ALCsizei freq, ALenum channels, ALenum type);
ALC_API void ALC_APIENTRY alcRenderSamples(ALCdevice *device, ALCvoid *buffer, ALCsizei samples);
#endif
#endif
#ifndef AL_EXT_sample_buffer_object
#define AL_EXT_sample_buffer_object 1
typedef ptrdiff_t ALintptrEXT;
typedef ptrdiff_t ALsizeiptrEXT;
#define AL_SAMPLE_SOURCE_EXT 0x1040
#define AL_SAMPLE_SINK_EXT 0x1041
#define AL_READ_ONLY_EXT 0x1042
#define AL_WRITE_ONLY_EXT 0x1043
#define AL_READ_WRITE_EXT 0x1044
#define AL_STREAM_WRITE_EXT 0x1045
#define AL_STREAM_READ_EXT 0x1046
#define AL_STREAM_COPY_EXT 0x1047
#define AL_STATIC_WRITE_EXT 0x1048
#define AL_STATIC_READ_EXT 0x1049
#define AL_STATIC_COPY_EXT 0x104A
#define AL_DYNAMIC_WRITE_EXT 0x104B
#define AL_DYNAMIC_READ_EXT 0x104C
#define AL_DYNAMIC_COPY_EXT 0x104D
typedef ALvoid (AL_APIENTRY*PFNALGENDATABUFFERSEXTPROC)(ALsizei n,ALuint *puiBuffers);
typedef ALvoid (AL_APIENTRY*PFNALDELETEDATABUFFERSEXTPROC)(ALsizei n, const ALuint *puiBuffers);
typedef ALboolean (AL_APIENTRY*PFNALISDATABUFFEREXTPROC)(ALuint uiBuffer);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERDATAEXTPROC)(ALuint buffer,const ALvoid *data,ALsizeiptrEXT size,ALenum usage);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERSUBDATAEXTPROC)(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, const ALvoid *);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERSUBDATAEXTPROC)(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, ALvoid *);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERFEXTPROC)(ALuint buffer, ALenum eParam, ALfloat flValue);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERFVEXTPROC)(ALuint buffer, ALenum eParam, const ALfloat* flValues);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERIEXTPROC)(ALuint buffer, ALenum eParam, ALint lValue);
typedef ALvoid (AL_APIENTRY*PFNALDATABUFFERIVEXTPROC)(ALuint buffer, ALenum eParam, const ALint* plValues);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERFEXTPROC)(ALuint buffer, ALenum eParam, ALfloat *pflValue);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERFVEXTPROC)(ALuint buffer, ALenum eParam, ALfloat* pflValues);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERIEXTPROC)(ALuint buffer, ALenum eParam, ALint *plValue);
typedef ALvoid (AL_APIENTRY*PFNALGETDATABUFFERIVEXTPROC)(ALuint buffer, ALenum eParam, ALint* plValues);
typedef ALvoid (AL_APIENTRY*PFNALSELECTDATABUFFEREXTPROC)(ALenum target, ALuint uiBuffer);
typedef ALvoid* (AL_APIENTRY*PFNALMAPDATABUFFEREXTPROC)(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALenum access);
typedef ALvoid (AL_APIENTRY*PFNALUNMAPDATABUFFEREXTPROC)(ALuint uiBuffer);
#ifdef AL_ALEXT_PROTOTYPES
AL_API ALvoid AL_APIENTRY alGenDatabuffersEXT(ALsizei n,ALuint *puiBuffers);
AL_API ALvoid AL_APIENTRY alDeleteDatabuffersEXT(ALsizei n, const ALuint *puiBuffers);
AL_API ALboolean AL_APIENTRY alIsDatabufferEXT(ALuint uiBuffer);
AL_API ALvoid AL_APIENTRY alDatabufferDataEXT(ALuint buffer,const ALvoid *data,ALsizeiptrEXT size,ALenum usage);
AL_API ALvoid AL_APIENTRY alDatabufferSubDataEXT(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, const ALvoid *data);
AL_API ALvoid AL_APIENTRY alGetDatabufferSubDataEXT(ALuint buffer, ALintptrEXT start, ALsizeiptrEXT length, ALvoid *data);
AL_API ALvoid AL_APIENTRY alDatabufferfEXT(ALuint buffer, ALenum eParam, ALfloat flValue);
AL_API ALvoid AL_APIENTRY alDatabufferfvEXT(ALuint buffer, ALenum eParam, const ALfloat* flValues);
AL_API ALvoid AL_APIENTRY alDatabufferiEXT(ALuint buffer, ALenum eParam, ALint lValue);
AL_API ALvoid AL_APIENTRY alDatabufferivEXT(ALuint buffer, ALenum eParam, const ALint* plValues);
AL_API ALvoid AL_APIENTRY alGetDatabufferfEXT(ALuint buffer, ALenum eParam, ALfloat *pflValue);
AL_API ALvoid AL_APIENTRY alGetDatabufferfvEXT(ALuint buffer, ALenum eParam, ALfloat* pflValues);
AL_API ALvoid AL_APIENTRY alGetDatabufferiEXT(ALuint buffer, ALenum eParam, ALint *plValue);
AL_API ALvoid AL_APIENTRY alGetDatabufferivEXT(ALuint buffer, ALenum eParam, ALint* plValues);
AL_API ALvoid AL_APIENTRY alSelectDatabufferEXT(ALenum target, ALuint uiBuffer);
AL_API ALvoid* AL_APIENTRY alMapDatabufferEXT(ALuint uiBuffer, ALintptrEXT start, ALsizeiptrEXT length, ALenum access);
AL_API ALvoid AL_APIENTRY alUnmapDatabufferEXT(ALuint uiBuffer);
#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
#ifdef HAVE_GCC_FORMAT
#define PRINTF_STYLE(x, y) __attribute__((format(printf, (x), (y))))
#else
#define PRINTF_STYLE(x, y)
#endif
#ifdef _WIN32
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0500
#endif
#include <windows.h>
typedef DWORD tls_type;
#define tls_create(x) (*(x) = TlsAlloc())
#define tls_delete(x) TlsFree((x))
#define tls_get(x) TlsGetValue((x))
#define tls_set(x, a) TlsSetValue((x), (a))
#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_key_t tls_type;
#define tls_create(x) pthread_key_create((x), NULL)
#define tls_delete(x) pthread_key_delete((x))
#define tls_get(x) pthread_getspecific((x))
#define tls_set(x, a) pthread_setspecific((x), (a))
typedef pthread_mutex_t CRITICAL_SECTION;
static __inline void EnterCriticalSection(CRITICAL_SECTION *cs)
{
int ret;
ret = pthread_mutex_lock(cs);
assert(ret == 0);
}
static __inline void LeaveCriticalSection(CRITICAL_SECTION *cs)
{
int ret;
ret = pthread_mutex_unlock(cs);
assert(ret == 0);
}
static __inline void InitializeCriticalSection(CRITICAL_SECTION *cs)
{
pthread_mutexattr_t attrib;
int ret;
ret = pthread_mutexattr_init(&attrib);
assert(ret == 0);
ret = pthread_mutexattr_settype(&attrib, PTHREAD_MUTEX_RECURSIVE);
#ifdef HAVE_PTHREAD_NP_H
if(ret != 0)
ret = pthread_mutexattr_setkind_np(&attrib, PTHREAD_MUTEX_RECURSIVE);
#endif
assert(ret == 0);
ret = pthread_mutex_init(cs, &attrib);
assert(ret == 0);
pthread_mutexattr_destroy(&attrib);
}
static __inline void DeleteCriticalSection(CRITICAL_SECTION *cs)
{
int ret;
ret = pthread_mutex_destroy(cs);
assert(ret == 0);
}
/* NOTE: This wrapper isn't quite accurate as it returns an ALuint, as opposed
* to the expected DWORD. Both are defined as unsigned 32-bit types, however.
* Additionally, Win32 is supposed to measure the time since Windows started,
* as opposed to the actual time. */
static __inline ALuint timeGetTime(void)
{
#if _POSIX_TIMERS > 0
struct timespec ts;
int ret = -1;
#if defined(_POSIX_MONOTONIC_CLOCK) && (_POSIX_MONOTONIC_CLOCK >= 0)
#if _POSIX_MONOTONIC_CLOCK == 0
static int hasmono = 0;
if(hasmono > 0 || (hasmono == 0 &&
(hasmono=sysconf(_SC_MONOTONIC_CLOCK)) > 0))
#endif
ret = clock_gettime(CLOCK_MONOTONIC, &ts);
#endif
if(ret != 0)
ret = clock_gettime(CLOCK_REALTIME, &ts);
assert(ret == 0);
return ts.tv_nsec/1000000 + ts.tv_sec*1000;
#else
struct timeval tv;
int ret;
ret = gettimeofday(&tv, NULL);
assert(ret == 0);
return tv.tv_usec/1000 + tv.tv_sec*1000;
#endif
}
static __inline void Sleep(ALuint t)
{
struct timespec tv, rem;
tv.tv_nsec = (t*1000000)%1000000000;
tv.tv_sec = t/1000;
while(nanosleep(&tv, &rem) == -1 && errno == EINTR)
tv = rem;
}
#define min(x,y) (((x)<(y))?(x):(y))
#define max(x,y) (((x)>(y))?(x):(y))
#endif
#include "alListener.h"
#include "alu.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SWMIXER_OUTPUT_RATE 44100
#define SPEEDOFSOUNDMETRESPERSEC (343.3f)
#define AIRABSORBGAINDBHF (-0.05f)
#define LOWPASSFREQCUTOFF (5000)
#define DEFAULT_HEAD_DAMPEN (0.25f)
// 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;
}
typedef struct {
ALCboolean (*OpenPlayback)(ALCdevice*, const ALCchar*);
void (*ClosePlayback)(ALCdevice*);
ALCboolean (*ResetPlayback)(ALCdevice*);
void (*StopPlayback)(ALCdevice*);
ALCboolean (*OpenCapture)(ALCdevice*, const ALCchar*);
void (*CloseCapture)(ALCdevice*);
void (*StartCapture)(ALCdevice*);
void (*StopCapture)(ALCdevice*);
void (*CaptureSamples)(ALCdevice*, void*, ALCuint);
ALCuint (*AvailableSamples)(ALCdevice*);
} BackendFuncs;
enum {
DEVICE_PROBE,
ALL_DEVICE_PROBE,
CAPTURE_DEVICE_PROBE
};
void alc_alsa_init(BackendFuncs *func_list);
void alc_alsa_deinit(void);
void alc_alsa_probe(int type);
void alc_oss_init(BackendFuncs *func_list);
void alc_oss_deinit(void);
void alc_oss_probe(int type);
void alc_solaris_init(BackendFuncs *func_list);
void alc_solaris_deinit(void);
void alc_solaris_probe(int type);
void alcDSoundInit(BackendFuncs *func_list);
void alcDSoundDeinit(void);
void alcDSoundProbe(int type);
void alcWinMMInit(BackendFuncs *FuncList);
void alcWinMMDeinit(void);
void alcWinMMProbe(int type);
void alc_pa_init(BackendFuncs *func_list);
void alc_pa_deinit(void);
void alc_pa_probe(int type);
void alc_wave_init(BackendFuncs *func_list);
void alc_wave_deinit(void);
void alc_wave_probe(int type);
void alc_pulse_init(BackendFuncs *func_list);
void alc_pulse_deinit(void);
void alc_pulse_probe(int type);
void alc_ca_init(BackendFuncs *func_list);
void alc_ca_deinit(void);
void alc_ca_probe(int type);
void alc_null_init(BackendFuncs *func_list);
void alc_null_deinit(void);
void alc_null_probe(int type);
void alc_loopback_init(BackendFuncs *func_list);
void alc_loopback_deinit(void);
void alc_loopback_probe(int type);
typedef struct UIntMap {
struct {
ALuint key;
ALvoid *value;
} *array;
ALsizei size;
ALsizei maxsize;
} UIntMap;
void InitUIntMap(UIntMap *map);
void ResetUIntMap(UIntMap *map);
ALenum InsertUIntMapEntry(UIntMap *map, ALuint key, ALvoid *value);
void RemoveUIntMapKey(UIntMap *map, ALuint key);
ALvoid *LookupUIntMapKey(UIntMap *map, ALuint key);
/* Device formats */
enum DevFmtType {
DevFmtByte = AL_BYTE,
DevFmtUByte = AL_UNSIGNED_BYTE,
DevFmtShort = AL_SHORT,
DevFmtUShort = AL_UNSIGNED_SHORT,
DevFmtFloat = AL_FLOAT
};
enum DevFmtChannels {
DevFmtMono = AL_MONO,
DevFmtStereo = AL_STEREO,
DevFmtQuad = AL_QUAD,
DevFmtX51 = AL_5POINT1,
DevFmtX61 = AL_6POINT1,
DevFmtX71 = AL_7POINT1
};
ALuint BytesFromDevFmt(enum DevFmtType type);
ALuint ChannelsFromDevFmt(enum DevFmtChannels chans);
static __inline ALuint FrameSizeFromDevFmt(enum DevFmtChannels chans,
enum DevFmtType type)
{
return ChannelsFromDevFmt(chans) * BytesFromDevFmt(type);
}
extern const struct EffectList {
const char *name;
int type;
const char *ename;
ALenum val;
} EffectList[];
struct ALCdevice_struct
{
ALCboolean Connected;
ALboolean IsCaptureDevice;
ALboolean IsLoopbackDevice;
ALuint Frequency;
ALuint UpdateSize;
ALuint NumUpdates;
enum DevFmtChannels FmtChans;
enum DevFmtType FmtType;
ALCchar *szDeviceName;
ALCenum LastError;
// Maximum number of sources that can be created
ALuint MaxNoOfSources;
// Maximum number of slots that can be created
ALuint AuxiliaryEffectSlotMax;
ALCuint NumMonoSources;
ALCuint NumStereoSources;
ALuint NumAuxSends;
// Map of Buffers for this device
UIntMap BufferMap;
// Map of Effects for this device
UIntMap EffectMap;
// Map of Filters for this device
UIntMap FilterMap;
// 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
ALfloat DryBuffer[BUFFERSIZE][MAXCHANNELS];
ALuint DevChannels[MAXCHANNELS];
ALfloat ChannelMatrix[MAXCHANNELS][MAXCHANNELS];
Channel Speaker2Chan[MAXCHANNELS];
ALfloat PanningLUT[MAXCHANNELS * LUT_NUM];
ALuint NumChan;
ALfloat ClickRemoval[MAXCHANNELS];
ALfloat PendingClicks[MAXCHANNELS];
// 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;
};
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