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#ifndef AL_MAIN_H
#define AL_MAIN_H
#define AL_MAX_CHANNELS 4
#define AL_MAX_SOURCES 32
#include <string.h>
#include "alu.h"
#ifdef _WIN32
#include <windows.h>
//#define strcasecmp _stricmp
#else
#include <assert.h>
#include <pthread.h>
#define IsBadWritePtr(a,b) (0)
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);
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);
}
#define min(x,y) (((x)<(y))?(x):(y))
#define max(x,y) (((x)>(y))?(x):(y))
#endif
#include "alBuffer.h"
#include "alError.h"
#include "alExtension.h"
#include "alListener.h"
#include "alSource.h"
#include "alState.h"
#include "alThunk.h"
#ifdef __cplusplus
extern "C"
{
#endif
extern CRITICAL_SECTION g_mutex;
extern char szDebug[256];
#define AL_PRINT(...) do { \
int _al_print_i; \
char *_al_print_fn = strrchr(__FILE__, '/'); \
if(!_al_print_fn) _al_print_fn = __FILE__; \
else _al_print_fn += 1; \
_al_print_i = snprintf(szDebug, sizeof(szDebug), "AL lib: %s:%d: ", _al_print_fn, __LINE__); \
snprintf(szDebug+_al_print_i, sizeof(szDebug)-_al_print_i, __VA_ARGS__); \
fprintf(stderr, "%s", szDebug); \
} while(0)
#define AL_FORMAT_MONO_IMA4 0x1300
#define AL_FORMAT_STEREO_IMA4 0x1301
// These are from AL_EXT_MCFORMATS, which we don't support yet but the mixer
// can use 4-channel formats
#define AL_FORMAT_QUAD8 0x1204
#define AL_FORMAT_QUAD16 0x1205
#define SWMIXER_OUTPUT_RATE 44100
//#define OUTPUT_BUFFER_SIZE (32768*SWMIXER_OUTPUT_RATE/22050)
#define SPEEDOFSOUNDMETRESPERSEC (343.3f)
#define AIRABSORBGAINHF (0.994f)
typedef struct {
ALCboolean (*OpenPlayback)(ALCdevice*, const ALCchar*);
void (*ClosePlayback)(ALCdevice*);
ALCboolean (*OpenCapture)(ALCdevice*, const ALCchar*, ALCuint, ALCenum, ALCsizei);
void (*CloseCapture)(ALCdevice*);
void (*StartCapture)(ALCdevice*);
void (*StopCapture)(ALCdevice*);
void (*CaptureSamples)(ALCdevice*, void*, ALCuint);
ALCuint (*AvailableSamples)(ALCdevice*);
} BackendFuncs;
void alc_alsa_init(BackendFuncs *func_list);
void alc_oss_init(BackendFuncs *func_list);
void alcDSoundInit(BackendFuncs *func_list);
void alcWinMMInit(BackendFuncs *FuncList);
struct ALCdevice_struct
{
ALboolean InUse;
ALboolean IsCaptureDevice;
ALuint Frequency;
ALuint UpdateFreq;
ALuint FrameSize;
ALuint Channels;
ALenum Format;
ALCchar *szDeviceName;
// Maximum number of sources that can be created
ALuint MaxNoOfSources;
// Context created on this device
ALCcontext *Context;
BackendFuncs *Funcs;
void *ExtraData; // For the backend's use
};
#define ALCdevice_OpenPlayback(a,b) ((a)->Funcs->OpenPlayback((a), (b)))
#define ALCdevice_ClosePlayback(a) ((a)->Funcs->ClosePlayback((a)))
#define ALCdevice_OpenCapture(a,b,c,d,e) ((a)->Funcs->OpenCapture((a), (b), (c), (d), (e)))
#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;
ALsource *Source;
ALuint SourceCount;
ALenum LastError;
ALboolean InUse;
ALuint Frequency;
ALenum DistanceModel;
ALfloat DopplerFactor;
ALfloat DopplerVelocity;
ALfloat flSpeedOfSound;
ALint lNumMonoSources;
ALint lNumStereoSources;
ALCdevice *Device;
ALCchar ExtensionList[1024];
ALCcontext *next;
};
ALCchar *AppendDeviceList(char *name);
ALCchar *AppendAllDeviceList(char *name);
ALCchar *AppendCaptureDeviceList(char *name);
ALCvoid SetALCError(ALenum errorCode);
ALCvoid SuspendContext(ALCcontext *context);
ALCvoid ProcessContext(ALCcontext *context);
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);
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);
#ifdef __cplusplus
}
#endif
#endif
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