// This should probably move to another c file but for now ...
ALCAPI ALCdevice* ALCAPIENTRY alcCaptureOpenDevice(const ALCchar *deviceName, ALCuint frequency, ALCenum format, ALCsizei SampleSize)
{
ALCboolean DeviceFound = ALC_FALSE;
ALCdevice *pDevice = NULL;
ALCint i;
InitAL();
if(deviceName && !deviceName[0])
deviceName = NULL;
pDevice = malloc(sizeof(ALCdevice));
if (pDevice)
{
if (SampleSize > 0)
{
//Initialise device structure
memset(pDevice, 0, sizeof(ALCdevice));
//Validate device
pDevice->InUse = AL_TRUE;
pDevice->IsCaptureDevice = AL_TRUE;
pDevice->Frequency = frequency;
pDevice->Format = format;
pDevice->Channels = aluChannelsFromFormat(format);
pDevice->FrameSize = aluBytesFromFormat(format) *
pDevice->Channels;
for(i = 0;BackendList[i].Init;i++)
{
pDevice->Funcs = &BackendList[i].Funcs;
if(ALCdevice_OpenCapture(pDevice, deviceName, frequency, format, SampleSize))
{
SuspendContext(NULL);
pDevice->next = g_pDeviceList;
g_pDeviceList = pDevice;
g_ulDeviceCount++;
ProcessContext(NULL);
DeviceFound = ALC_TRUE;
break;
}
}
}
else
SetALCError(ALC_INVALID_VALUE);
if(!DeviceFound)
{
free(pDevice);
pDevice = NULL;
}
}
else
SetALCError(ALC_OUT_OF_MEMORY);
return pDevice;
}
int main(int argc, char **argv)
{
StreamPlayer *player;
int i;
/* Print out usage if no file was specified */
if(argc < 2)
{
fprintf(stderr, "Usage: %s <filenames...>\n", argv[0]);
return 1;
}
if(InitAL() != 0)
return 1;
if(alIsExtensionPresent("AL_SOFT_buffer_samples"))
{
printf("AL_SOFT_buffer_samples supported!\n");
alBufferSamplesSOFT = alGetProcAddress("alBufferSamplesSOFT");
alIsBufferFormatSupportedSOFT = alGetProcAddress("alIsBufferFormatSupportedSOFT");
}
else
printf("AL_SOFT_buffer_samples not supported\n");
player = NewPlayer();
/* Play each file listed on the command line */
for(i = 1;i < argc;i++)
{
if(!OpenPlayerFile(player, argv[i]))
continue;
printf("Playing %s (%s, %s, %dhz)\n", argv[i],
TypeName(player->type), ChannelsName(player->channels),
player->rate);
fflush(stdout);
if(!StartPlayer(player))
{
ClosePlayerFile(player);
continue;
}
while(UpdatePlayer(player))
Sleep(10);
/* All done with this file. Close it and go to the next */
ClosePlayerFile(player);
}
printf("Done.\n");
/* All files done. Delete the player, and close OpenAL */
DeletePlayer(player);
player = NULL;
CloseAL();
return 0;
}
/*
alcGetContextsDevice
Returns the Device that a particular Context is attached to
*/
ALCAPI ALCdevice* ALCAPIENTRY alcGetContextsDevice(ALCcontext *pContext)
{
ALCdevice *pDevice = NULL;
InitAL();
SuspendContext(NULL);
if (IsContext(pContext))
pDevice = pContext->Device;
else
SetALCError(ALC_INVALID_CONTEXT);
ProcessContext(NULL);
return pDevice;
}
/*
alcGetCurrentContext
Returns the currently active Context
*/
ALCAPI ALCcontext * ALCAPIENTRY alcGetCurrentContext(ALCvoid)
{
ALCcontext *pContext = NULL;
InitAL();
SuspendContext(NULL);
pContext = g_pContextList;
while ((pContext) && (!pContext->InUse))
pContext = pContext->next;
ProcessContext(NULL);
return pContext;
}
/*
alcDestroyContext
Remove a Context
*/
ALCAPI ALCvoid ALCAPIENTRY alcDestroyContext(ALCcontext *context)
{
ALCcontext **list;
InitAL();
// Lock context list
SuspendContext(NULL);
if (IsContext(context))
{
// Lock context
SuspendContext(context);
ReleaseALSources(context);
ReleaseALAuxiliaryEffectSlots(context);
context->Device->Context = NULL;
list = &g_pContextList;
while(*list != context)
list = &(*list)->next;
*list = (*list)->next;
g_ulContextCount--;
// Unlock context
ProcessContext(context);
ExitContext(context);
// Free memory (MUST do this after ProcessContext)
memset(context, 0, sizeof(ALCcontext));
free(context);
}
else
SetALCError(ALC_INVALID_CONTEXT);
ProcessContext(NULL);
}
/*
alcMakeContextCurrent
Makes the given Context the active Context
*/
ALCAPI ALCboolean ALCAPIENTRY alcMakeContextCurrent(ALCcontext *context)
{
ALCcontext *ALContext;
ALboolean bReturn = AL_TRUE;
InitAL();
SuspendContext(NULL);
// context must be a valid Context or NULL
if ((IsContext(context)) || (context == NULL))
{
if ((ALContext=alcGetCurrentContext()))
{
SuspendContext(ALContext);
ALContext->InUse=AL_FALSE;
ProcessContext(ALContext);
}
if ((ALContext=context) && (ALContext->Device))
{
SuspendContext(ALContext);
ALContext->InUse=AL_TRUE;
ProcessContext(ALContext);
}
}
else
{
SetALCError(ALC_INVALID_CONTEXT);
bReturn = AL_FALSE;
}
ProcessContext(NULL);
return bReturn;
}
INT WINAPI wWinMain( HINSTANCE hInst, HINSTANCE, LPWSTR, INT )
{
g_ogg.open("../sample video/trailer_400p.ogg",AF_S16,2,44100,VF_BGRA);
if(g_ogg.fail()) {
return -1;
}
// Register the window class
WNDCLASSEX wc =
{
sizeof( WNDCLASSEX ), CS_CLASSDC, MsgProc, 0L, 0L,
GetModuleHandle( NULL ), NULL, NULL, NULL, NULL,
L"liboggstream", NULL
};
RegisterClassEx( &wc );
int width=g_ogg.width();
int height=g_ogg.height();
// Create the application's window
RECT rect;
rect.left = 100;
rect.top = 100;
rect.right = width+rect.left;
rect.bottom = height+rect.top;
AdjustWindowRect(&rect,WS_OVERLAPPEDWINDOW,FALSE);
HWND hWnd = CreateWindow( L"liboggstream", L"D3D9 Theora Player",
WS_OVERLAPPEDWINDOW, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top,
NULL, NULL, wc.hInstance, NULL );
// Initialize Direct3D and OpenAL
if( SUCCEEDED( InitD3D( hWnd ) ) && InitAL())
{
// Show the window
ShowWindow( hWnd, SW_SHOWDEFAULT );
UpdateWindow( hWnd );
// Start the playback
g_ogg.play();
// Run MixAudio in another thread
HANDLE h_mixaudio= CreateThread(NULL,0,MixAudio,NULL,0,NULL);
// Enter the message loop
MSG msg;
ZeroMemory( &msg, sizeof( msg ) );
while( msg.message != WM_QUIT && g_ogg.playing() )
{
if( PeekMessage( &msg, NULL, 0U, 0U, PM_REMOVE ) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}else {
Render();
Sleep(0);
}
}
g_ogg.close();
WaitForSingleObject(h_mixaudio,INFINITE);
alutExit();
}
UnregisterClass( L"liboggstream", wc.hInstance );
return 0;
}
/*
alcGetIntegerv
Returns information about the Device and the version of Open AL
*/
ALCAPI ALCvoid ALCAPIENTRY alcGetIntegerv(ALCdevice *device,ALCenum param,ALsizei size,ALCint *data)
{
InitAL();
if ((device)&&(device->IsCaptureDevice))
{
SuspendContext(NULL);
// Capture device
switch (param)
{
case ALC_CAPTURE_SAMPLES:
if ((size) && (data))
*data = ALCdevice_AvailableSamples(device);
else
SetALCError(ALC_INVALID_VALUE);
break;
default:
SetALCError(ALC_INVALID_ENUM);
break;
}
ProcessContext(NULL);
}
else
{
if(data)
{
// Playback Device
switch (param)
{
case ALC_MAJOR_VERSION:
if(!size)
SetALCError(ALC_INVALID_VALUE);
else
*data = alcMajorVersion;
break;
case ALC_MINOR_VERSION:
if(!size)
SetALCError(ALC_INVALID_VALUE);
else
*data = alcMinorVersion;
break;
case ALC_EFX_MAJOR_VERSION:
if(!size)
SetALCError(ALC_INVALID_VALUE);
else
*data = alcEFXMajorVersion;
break;
case ALC_EFX_MINOR_VERSION:
if(!size)
SetALCError(ALC_INVALID_VALUE);
else
*data = alcEFXMinorVersion;
break;
case ALC_MAX_AUXILIARY_SENDS:
if(!size)
SetALCError(ALC_INVALID_VALUE);
else
*data = MAX_SENDS;
break;
case ALC_ATTRIBUTES_SIZE:
if(!device)
SetALCError(ALC_INVALID_DEVICE);
else if(!size)
SetALCError(ALC_INVALID_VALUE);
else
*data = 12;
break;
case ALC_ALL_ATTRIBUTES:
if(!device)
SetALCError(ALC_INVALID_DEVICE);
else if (size < 7)
SetALCError(ALC_INVALID_VALUE);
else
{
int i = 0;
data[i++] = ALC_FREQUENCY;
data[i++] = device->Frequency;
data[i++] = ALC_REFRESH;
data[i++] = device->Frequency / device->UpdateSize;
data[i++] = ALC_SYNC;
data[i++] = ALC_FALSE;
SuspendContext(NULL);
if(device->Context && size >= 12)
{
data[i++] = ALC_MONO_SOURCES;
data[i++] = device->Context->lNumMonoSources;
data[i++] = ALC_STEREO_SOURCES;
data[i++] = device->Context->lNumStereoSources;
data[i++] = ALC_MAX_AUXILIARY_SENDS;
data[i++] = MAX_SENDS;
}
ProcessContext(NULL);
data[i++] = 0;
}
break;
case ALC_FREQUENCY:
if(!device)
SetALCError(ALC_INVALID_DEVICE);
else if(!size)
SetALCError(ALC_INVALID_VALUE);
else
*data = device->Frequency;
break;
case ALC_REFRESH:
if(!device)
SetALCError(ALC_INVALID_DEVICE);
else if(!size)
SetALCError(ALC_INVALID_VALUE);
else
*data = device->Frequency / device->UpdateSize;
break;
case ALC_SYNC:
if(!device)
SetALCError(ALC_INVALID_DEVICE);
else if(!size)
SetALCError(ALC_INVALID_VALUE);
else
*data = ALC_FALSE;
break;
case ALC_MONO_SOURCES:
if(!device || !device->Context)
SetALCError(ALC_INVALID_DEVICE);
else if (size != 1)
SetALCError(ALC_INVALID_VALUE);
else
*data = device->Context->lNumMonoSources;
break;
case ALC_STEREO_SOURCES:
if(!device || !device->Context)
SetALCError(ALC_INVALID_DEVICE);
else if (size != 1)
SetALCError(ALC_INVALID_VALUE);
else
*data = device->Context->lNumStereoSources;
break;
default:
SetALCError(ALC_INVALID_ENUM);
break;
}
}
else if(size)
SetALCError(ALC_INVALID_VALUE);
}
return;
}
/*
alcGetString
Returns information about the Device, and error strings
*/
ALCAPI const ALCchar* ALCAPIENTRY alcGetString(ALCdevice *pDevice,ALCenum param)
{
const ALCchar *value = NULL;
InitAL();
switch (param)
{
case ALC_NO_ERROR:
value = alcNoError;
break;
case ALC_INVALID_ENUM:
value = alcErrInvalidEnum;
break;
case ALC_INVALID_VALUE:
value = alcErrInvalidValue;
break;
case ALC_INVALID_DEVICE:
value = alcErrInvalidDevice;
break;
case ALC_INVALID_CONTEXT:
value = alcErrInvalidContext;
break;
case ALC_OUT_OF_MEMORY:
value = alcErrOutOfMemory;
break;
case ALC_DEFAULT_DEVICE_SPECIFIER:
value = alcDefaultDeviceSpecifier;
break;
case ALC_DEVICE_SPECIFIER:
if (pDevice)
value = pDevice->szDeviceName;
else
value = alcDeviceList;
break;
case ALC_ALL_DEVICES_SPECIFIER:
value = alcAllDeviceList;
break;
case ALC_DEFAULT_ALL_DEVICES_SPECIFIER:
value = alcDefaultAllDeviceSpecifier;
break;
case ALC_CAPTURE_DEVICE_SPECIFIER:
if (pDevice)
value = pDevice->szDeviceName;
else
value = alcCaptureDeviceList;
break;
case ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER:
value = alcCaptureDefaultDeviceSpecifier;
break;
case ALC_EXTENSIONS:
value = alcExtensionList;
break;
default:
SetALCError(ALC_INVALID_ENUM);
break;
}
return value;
}
/*
alcOpenDevice
Open the Device specified.
*/
ALCAPI ALCdevice* ALCAPIENTRY alcOpenDevice(const ALCchar *deviceName)
{
ALboolean bDeviceFound = AL_FALSE;
ALCdevice *device;
ALint i;
InitAL();
if(deviceName && !deviceName[0])
deviceName = NULL;
device = malloc(sizeof(ALCdevice));
if (device)
{
const char *fmt;
//Initialise device structure
memset(device, 0, sizeof(ALCdevice));
//Validate device
device->IsCaptureDevice = AL_FALSE;
//Set output format
device->Frequency = GetConfigValueInt(NULL, "frequency", SWMIXER_OUTPUT_RATE);
if((ALint)device->Frequency <= 0)
device->Frequency = SWMIXER_OUTPUT_RATE;
fmt = GetConfigValue(NULL, "format", "AL_FORMAT_STEREO16");
if(fmt[0])
device->Format = alGetEnumValue(fmt);
if(!aluChannelsFromFormat(device->Format))
device->Format = AL_FORMAT_STEREO16;
device->UpdateSize = GetConfigValueInt(NULL, "refresh", 4096);
if((ALint)device->UpdateSize <= 0)
device->UpdateSize = 4096;
device->MaxNoOfSources = GetConfigValueInt(NULL, "sources", 256);
if((ALint)device->MaxNoOfSources <= 0)
device->MaxNoOfSources = 256;
// Find a playback device to open
for(i = 0;BackendList[i].Init;i++)
{
device->Funcs = &BackendList[i].Funcs;
if(ALCdevice_OpenPlayback(device, deviceName))
{
SuspendContext(NULL);
device->next = g_pDeviceList;
g_pDeviceList = device;
g_ulDeviceCount++;
ProcessContext(NULL);
bDeviceFound = AL_TRUE;
break;
}
}
if (!bDeviceFound)
{
// No suitable output device found
SetALCError(ALC_INVALID_VALUE);
free(device);
device = NULL;
}
}
else
SetALCError(ALC_OUT_OF_MEMORY);
return device;
}
int main(int argc, char *argv[])
{
enum WaveType wavetype = WT_Sine;
ALuint source, buffer;
ALint last_pos, num_loops;
ALint max_loops = 4;
ALint srate = -1;
ALint tone_freq = 1000;
ALCint dev_rate;
ALenum state;
int i;
for(i = 1;i < argc;i++)
{
if(strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0)
{
fprintf(stderr, "OpenAL Tone Generator\n"
"\n"
"Usage: %s <options>\n"
"\n"
"Available options:\n"
" --help/-h This help text\n"
" -t <seconds> Time to play a tone (default 5 seconds)\n"
" --waveform/-w <type> Waveform type: sine (default), square, sawtooth,\n"
" triangle, impulse\n"
" --freq/-f <hz> Tone frequency (default 1000 hz)\n"
" --srate/-s <sample rate> Sampling rate (default output rate)\n",
argv[0]
);
return 1;
}
else if(i+1 < argc && strcmp(argv[i], "-t") == 0)
{
i++;
max_loops = atoi(argv[i]) - 1;
}
else if(i+1 < argc && (strcmp(argv[i], "--waveform") == 0 || strcmp(argv[i], "-w") == 0))
{
i++;
if(strcmp(argv[i], "sine") == 0)
wavetype = WT_Sine;
else if(strcmp(argv[i], "square") == 0)
wavetype = WT_Square;
else if(strcmp(argv[i], "sawtooth") == 0)
wavetype = WT_Sawtooth;
else if(strcmp(argv[i], "triangle") == 0)
wavetype = WT_Triangle;
else if(strcmp(argv[i], "impulse") == 0)
wavetype = WT_Impulse;
else
fprintf(stderr, "Unhandled waveform: %s\n", argv[i]);
}
else if(i+1 < argc && (strcmp(argv[i], "--freq") == 0 || strcmp(argv[i], "-f") == 0))
{
i++;
tone_freq = atoi(argv[i]);
if(tone_freq < 1)
{
fprintf(stderr, "Invalid tone frequency: %s (min: 1hz)\n", argv[i]);
tone_freq = 1;
}
}
else if(i+1 < argc && (strcmp(argv[i], "--srate") == 0 || strcmp(argv[i], "-s") == 0))
{
i++;
srate = atoi(argv[i]);
if(srate < 40)
{
fprintf(stderr, "Invalid sample rate: %s (min: 40hz)\n", argv[i]);
srate = 40;
}
}
}
InitAL();
if(!alIsExtensionPresent("AL_EXT_FLOAT32"))
{
fprintf(stderr, "Required AL_EXT_FLOAT32 extension not supported on this device!\n");
CloseAL();
return 1;
}
{
ALCdevice *device = alcGetContextsDevice(alcGetCurrentContext());
alcGetIntegerv(device, ALC_FREQUENCY, 1, &dev_rate);
assert(alcGetError(device)==ALC_NO_ERROR && "Failed to get device sample rate");
}
if(srate < 0)
srate = dev_rate;
/* Load the sound into a buffer. */
buffer = CreateWave(wavetype, tone_freq, srate);
if(!buffer)
{
CloseAL();
return 1;
}
printf("Playing %dhz %s-wave tone with %dhz sample rate and %dhz output, for %d second%s...\n",
tone_freq, GetWaveTypeName(wavetype), srate, dev_rate, max_loops+1, max_loops?"s":"");
fflush(stdout);
/* Create the source to play the sound with. */
source = 0;
alGenSources(1, &source);
alSourcei(source, AL_BUFFER, buffer);
assert(alGetError()==AL_NO_ERROR && "Failed to setup sound source");
/* Play the sound for a while. */
num_loops = 0;
last_pos = 0;
alSourcei(source, AL_LOOPING, (max_loops > 0) ? AL_TRUE : AL_FALSE);
alSourcePlay(source);
do {
ALint pos;
al_nssleep(10000000);
alGetSourcei(source, AL_SAMPLE_OFFSET, &pos);
alGetSourcei(source, AL_SOURCE_STATE, &state);
if(pos < last_pos && state == AL_PLAYING)
{
++num_loops;
if(num_loops >= max_loops)
alSourcei(source, AL_LOOPING, AL_FALSE);
printf("%d...\n", max_loops - num_loops + 1);
fflush(stdout);
}
last_pos = pos;
} while(alGetError() == AL_NO_ERROR && state == AL_PLAYING);
/* All done. Delete resources, and close OpenAL. */
alDeleteSources(1, &source);
alDeleteBuffers(1, &buffer);
/* Close up OpenAL. */
CloseAL();
return 0;
}
int main(int argc, char **argv)
{
ALCdevice *device;
ALuint source, buffer;
const char *soundname;
const char *hrtfname;
ALCint hrtf_state;
ALCint num_hrtf;
ALdouble angle;
ALenum state;
/* Print out usage if no file was specified */
if(argc < 2 || (strcmp(argv[1], "-hrtf") == 0 && argc < 4))
{
fprintf(stderr, "Usage: %s [-hrtf <name>] <soundfile>\n", argv[0]);
return 1;
}
/* Initialize OpenAL with the default device, and check for HRTF support. */
if(InitAL() != 0)
return 1;
if(strcmp(argv[1], "-hrtf") == 0)
{
hrtfname = argv[2];
soundname = argv[3];
}
else
{
hrtfname = NULL;
soundname = argv[1];
}
device = alcGetContextsDevice(alcGetCurrentContext());
if(!alcIsExtensionPresent(device, "ALC_SOFT_HRTF"))
{
fprintf(stderr, "Error: ALC_SOFT_HRTF not supported\n");
CloseAL();
return 1;
}
/* Define a macro to help load the function pointers. */
#define LOAD_PROC(d, x) ((x) = alcGetProcAddress((d), #x))
LOAD_PROC(device, alcGetStringiSOFT);
LOAD_PROC(device, alcResetDeviceSOFT);
#undef LOAD_PROC
/* Enumerate available HRTFs, and reset the device using one. */
alcGetIntegerv(device, ALC_NUM_HRTF_SPECIFIERS_SOFT, 1, &num_hrtf);
if(!num_hrtf)
printf("No HRTFs found\n");
else
{
ALCint attr[5];
ALCint index = -1;
ALCint i;
printf("Available HRTFs:\n");
for(i = 0; i < num_hrtf; i++)
{
const ALCchar *name = alcGetStringiSOFT(device, ALC_HRTF_SPECIFIER_SOFT, i);
printf(" %d: %s\n", i, name);
/* Check if this is the HRTF the user requested. */
if(hrtfname && strcmp(name, hrtfname) == 0)
index = i;
}
i = 0;
attr[i++] = ALC_HRTF_SOFT;
attr[i++] = ALC_TRUE;
if(index == -1)
{
if(hrtfname)
printf("HRTF \"%s\" not found\n", hrtfname);
printf("Using default HRTF...\n");
}
else
{
printf("Selecting HRTF %d...\n", index);
attr[i++] = ALC_HRTF_ID_SOFT;
attr[i++] = index;
}
attr[i] = 0;
if(!alcResetDeviceSOFT(device, attr))
printf("Failed to reset device: %s\n", alcGetString(device, alcGetError(device)));
}
/* Check if HRTF is enabled, and show which is being used. */
alcGetIntegerv(device, ALC_HRTF_SOFT, 1, &hrtf_state);
if(!hrtf_state)
printf("HRTF not enabled!\n");
else
{
const ALchar *name = alcGetString(device, ALC_HRTF_SPECIFIER_SOFT);
printf("HRTF enabled, using %s\n", name);
}
fflush(stdout);
/* Load the sound into a buffer. */
buffer = LoadSound(soundname);
if(!buffer)
{
CloseAL();
return 1;
}
/* Create the source to play the sound with. */
source = 0;
alGenSources(1, &source);
alSourcei(source, AL_SOURCE_RELATIVE, AL_TRUE);
alSource3f(source, AL_POSITION, 0.0f, 0.0f, -1.0f);
alSourcei(source, AL_BUFFER, buffer);
assert(alGetError()==AL_NO_ERROR && "Failed to setup sound source");
/* Play the sound until it finishes. */
angle = 0.0;
alSourcePlay(source);
do {
al_nssleep(10000000);
/* Rotate the source around the listener by about 1/4 cycle per second.
* Only affects mono sounds.
*/
angle += 0.01 * M_PI * 0.5;
alSource3f(source, AL_POSITION, (ALfloat)sin(angle), 0.0f, -(ALfloat)cos(angle));
alGetSourcei(source, AL_SOURCE_STATE, &state);
} while(alGetError() == AL_NO_ERROR && state == AL_PLAYING);
/* All done. Delete resources, and close OpenAL. */
alDeleteSources(1, &source);
alDeleteBuffers(1, &buffer);
CloseAL();
return 0;
}
int main(int argc, char **argv)
{
ALuint source, buffer;
ALdouble offsets[2];
ALenum state;
/* Print out usage if no arguments were specified */
if(argc < 2)
{
fprintf(stderr, "Usage: %s [-device <name>] <filename>\n", argv[0]);
return 1;
}
/* Initialize OpenAL, and check for source_latency support. */
argv++; argc--;
if(InitAL(&argv, &argc) != 0)
return 1;
if(!alIsExtensionPresent("AL_SOFT_source_latency"))
{
fprintf(stderr, "Error: AL_SOFT_source_latency not supported\n");
CloseAL();
return 1;
}
/* Define a macro to help load the function pointers. */
#define LOAD_PROC(x) ((x) = alGetProcAddress(#x))
LOAD_PROC(alSourcedSOFT);
LOAD_PROC(alSource3dSOFT);
LOAD_PROC(alSourcedvSOFT);
LOAD_PROC(alGetSourcedSOFT);
LOAD_PROC(alGetSource3dSOFT);
LOAD_PROC(alGetSourcedvSOFT);
LOAD_PROC(alSourcei64SOFT);
LOAD_PROC(alSource3i64SOFT);
LOAD_PROC(alSourcei64vSOFT);
LOAD_PROC(alGetSourcei64SOFT);
LOAD_PROC(alGetSource3i64SOFT);
LOAD_PROC(alGetSourcei64vSOFT);
if(alIsExtensionPresent("AL_SOFT_buffer_samples"))
{
LOAD_PROC(alBufferSamplesSOFT);
LOAD_PROC(alIsBufferFormatSupportedSOFT);
}
#undef LOAD_PROC
/* Load the sound into a buffer. */
buffer = LoadSound(argv[0]);
if(!buffer)
{
CloseAL();
return 1;
}
/* Create the source to play the sound with. */
source = 0;
alGenSources(1, &source);
alSourcei(source, AL_BUFFER, buffer);
assert(alGetError()==AL_NO_ERROR && "Failed to setup sound source");
/* Play the sound until it finishes. */
alSourcePlay(source);
do {
al_nssleep(10000000);
alGetSourcei(source, AL_SOURCE_STATE, &state);
/* Get the source offset and latency. AL_SEC_OFFSET_LATENCY_SOFT will
* place the offset (in seconds) in offsets[0], and the time until that
* offset will be heard (in seconds) in offsets[1]. */
alGetSourcedvSOFT(source, AL_SEC_OFFSET_LATENCY_SOFT, offsets);
printf("\rOffset: %f - Latency:%3u ms ", offsets[0], (ALuint)(offsets[1]*1000));
fflush(stdout);
} while(alGetError() == AL_NO_ERROR && state == AL_PLAYING);
printf("\n");
/* All done. Delete resources, and close OpenAL. */
alDeleteSources(1, &source);
alDeleteBuffers(1, &buffer);
CloseAL();
return 0;
}
