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#ifndef AL_MAIN_H
#define AL_MAIN_H
#include <string.h>
#include "alu.h"
#ifdef _WIN32
#include <windows.h>
//#define strcasecmp _stricmp
#else
#include <assert.h>
#include <pthread.h>
#include <sys/time.h>
#include <time.h>
#include <errno.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);
}
/* 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)
{
struct timeval tv;
int ret;
ret = gettimeofday(&tv, NULL);
assert(ret == 0);
return tv.tv_usec/1000 + tv.tv_sec*1000;
}
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"
#ifdef __cplusplus
extern "C"
{
#endif
extern CRITICAL_SECTION _alMutex;
extern char _alDebug[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(_alDebug, sizeof(_alDebug), "AL lib: %s:%d: ", _al_print_fn, __LINE__); \
if(_al_print_i < (int)sizeof(_alDebug) && _al_print_i > 0) \
snprintf(_alDebug+_al_print_i, sizeof(_alDebug)-_al_print_i, __VA_ARGS__); \
_alDebug[sizeof(_alDebug)-1] = 0; \
fprintf(stderr, "%s", _alDebug); \
} while(0)
#define AL_FORMAT_MONO_FLOAT32 0x10010
#define AL_FORMAT_STEREO_FLOAT32 0x10011
#define AL_FORMAT_MONO_IMA4 0x1300
#define AL_FORMAT_STEREO_IMA4 0x1301
#define AL_FORMAT_51CHN8 0x120A
#define AL_FORMAT_51CHN16 0x120B
#define AL_FORMAT_51CHN32 0x120C
#define AL_FORMAT_61CHN8 0x120D
#define AL_FORMAT_61CHN16 0x120E
#define AL_FORMAT_61CHN32 0x120F
#define AL_FORMAT_71CHN8 0x1210
#define AL_FORMAT_71CHN16 0x1211
#define AL_FORMAT_71CHN32 0x1212
#define AL_FORMAT_QUAD8 0x1204
#define AL_FORMAT_QUAD16 0x1205
#define AL_FORMAT_QUAD32 0x1206
#define AL_FORMAT_REAR8 0x1207
#define AL_FORMAT_REAR16 0x1208
#define AL_FORMAT_REAR32 0x1209
#define SWMIXER_OUTPUT_RATE 44100
#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);
void alc_wave_init(BackendFuncs *func_list);
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;
struct 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];
struct bs2b *bs2b;
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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