/*
=================
S_AL_SoundInfo
=================
*/
static
void S_AL_SoundInfo( void )
{
Com_Printf( "OpenAL info:\n" );
Com_Printf( " Vendor: %s\n", qalGetString( AL_VENDOR ) );
Com_Printf( " Version: %s\n", qalGetString( AL_VERSION ) );
Com_Printf( " Renderer: %s\n", qalGetString( AL_RENDERER ) );
Com_Printf( " Extensions: %s\n", qalGetString( AL_EXTENSIONS ) );
if(qalcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT"))
{
Com_Printf(" Device: %s\n", qalcGetString(alDevice, ALC_DEVICE_SPECIFIER));
Com_Printf("Available Devices:\n%s", s_alAvailableDevices->string);
}
}
void SndAl_InitCapture( qboolean usingAL )
{
const char *inputdevice = NULL;
#ifdef USE_OPENAL_DLOPEN
// Load QAL if we are called from the base sound driver
if ( !usingAL )
{
s_alDriver = si.Cvar_Get( "s_alDriver", ALDRIVER_DEFAULT, CVAR_ARCHIVE | CVAR_LATCH );
if ( !QAL_Init( s_alDriver->string ) )
{
si.Printf( PRINT_ALL, "Failed to load library: \"%s\".\n", s_alDriver->string );
return;
}
}
#endif
// !!! FIXME: some of these alcCaptureOpenDevice() values should be cvars.
// !!! FIXME: add support for capture device enumeration.
// !!! FIXME: add some better error reporting.
s_alCapture = si.Cvar_Get( "s_alCapture", "1", CVAR_ARCHIVE | CVAR_LATCH );
if ( !s_alCapture->integer )
{
si.Printf( PRINT_ALL, "OpenAL capture support disabled by user ('+set s_alCapture 1' to enable)\n" );
}
else
{
if ( !qalcIsExtensionPresent( NULL, "ALC_EXT_capture" ) )
{
si.Printf( PRINT_ALL, "No ALC_EXT_CAPTURE support, can't record audio.\n" );
}
else
{
char inputdevicenames[ 16384 ] = "";
const char *inputdevicelist;
const char *defaultinputdevice;
int curlen;
capture_ext = qtrue;
// get all available input devices + the default input device name.
inputdevicelist = qalcGetString( NULL, ALC_CAPTURE_DEVICE_SPECIFIER );
defaultinputdevice = qalcGetString( NULL, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER );
// dump a list of available devices to a cvar for the user to see.
#ifndef MACOS_X
while ( ( curlen = strlen( inputdevicelist ) ) )
{
si.strcat( inputdevicenames, sizeof( inputdevicenames ), inputdevicelist );
si.strcat( inputdevicenames, sizeof( inputdevicenames ), "\n" );
inputdevicelist += curlen + 1;
}
#endif
s_alAvailableInputDevices = si.Cvar_Get( "s_alAvailableInputDevices", inputdevicenames, CVAR_ROM | CVAR_NORESTART );
// !!! FIXME: 8000Hz is what Speex narrowband mode needs, but we
// !!! FIXME: should probably open the capture device after
// !!! FIXME: initializing Speex so we can change to wideband
// !!! FIXME: if we like.
si.Printf( PRINT_ALL, "OpenAL default capture device is '%s'\n", defaultinputdevice );
alCaptureDevice = qalcCaptureOpenDevice( inputdevice, 8000, AL_FORMAT_MONO16, 4096 );
if ( !alCaptureDevice && inputdevice )
{
si.Printf( PRINT_ALL, "Failed to open OpenAL Input device '%s', trying default.\n", inputdevice );
alCaptureDevice = qalcCaptureOpenDevice( NULL, 8000, AL_FORMAT_MONO16, 4096 );
}
si.Printf( PRINT_ALL, "OpenAL capture device %s.\n", ( alCaptureDevice == NULL ) ? "failed to open" : "opened" );
}
}
}
qboolean SndAl_Init( void )
{
const char *device = NULL;
// Original console variables
s_volume = si.Cvar_Get( "s_volume", "0.8", CVAR_ARCHIVE );
s_musicVolume = si.Cvar_Get( "s_musicvolume", "0.25", CVAR_ARCHIVE );
s_doppler = si.Cvar_Get( "s_doppler", "1", CVAR_ARCHIVE );
// New console variables
s_precache = si.Cvar_Get( "al_precache", "1", CVAR_ARCHIVE );
s_gain = si.Cvar_Get( "al_gain", "0.4", CVAR_ARCHIVE );
s_sources = si.Cvar_Get( "al_sources", "64", CVAR_ARCHIVE );
s_dopplerFactor = si.Cvar_Get( "al_dopplerfactor", "1.0", CVAR_ARCHIVE );
s_dopplerSpeed = si.Cvar_Get( "al_dopplerspeed", "2200", CVAR_ARCHIVE );
s_minDistance = si.Cvar_Get( "al_mindistance", "80", CVAR_ARCHIVE );
s_rolloff = si.Cvar_Get( "al_rolloff", "0.25", CVAR_ARCHIVE );
s_alDevice = si.Cvar_Get( "al_device", "", CVAR_ARCHIVE | CVAR_LATCH );
#ifdef USE_OPENAL_DLOPEN
s_alDriver = si.Cvar_Get( "al_driver", ALDRIVER_DEFAULT, CVAR_ARCHIVE );
#endif // USE_OPENAL_DLOPEN
#ifdef USE_OPENAL_DLOPEN
// Load QAL
if ( !QAL_Init( s_alDriver->string ) )
{
si.Printf( PRINT_ALL, "not initializing.\n" );
return qfalse;
}
#endif // USE_OPENAL_DLOPEN
// Open default device
device = s_alDevice->string;
if ( device && !*device )
{
device = NULL;
}
if ( qalcIsExtensionPresent( NULL, "ALC_ENUMERATION_EXT" ) )
{
char devicenames[ 1024 ] = "";
const char *devicelist;
#ifdef _WIN32
const char *defaultdevice;
#endif
int curlen;
// get all available devices + the default device name.
devicelist = qalcGetString( NULL, ALC_DEVICE_SPECIFIER );
#ifdef _WIN32
defaultdevice = qalcGetString( NULL, ALC_DEFAULT_DEVICE_SPECIFIER );
// check whether the default device is generic hardware. If it is, change to
// Generic Software as that one works more reliably with various sound systems.
// If it's not, use OpenAL's default selection as we don't want to ignore
// native hardware acceleration.
if ( !device && !strcmp( defaultdevice, "Generic Hardware" ) )
{
device = "Generic Software";
}
#endif
// dump a list of available devices to a cvar for the user to see.
#ifndef MACOS_X
while ( ( curlen = strlen( devicelist ) ) )
{
strcat( devicenames, devicelist );
strcat( devicenames, "\n" );
devicelist += curlen + 1;
}
#endif
s_alAvailableDevices = si.Cvar_Get( "al_AvailableDevices", devicenames, CVAR_ROM | CVAR_NORESTART );
}
alDevice = qalcOpenDevice( device );
if ( !alDevice && device )
{
si.Printf( PRINT_ALL, "Failed to open OpenAL device '%s', trying default.\n", device );
alDevice = qalcOpenDevice( NULL );
}
if ( !alDevice )
{
#ifdef USE_OPENAL_DLOPEN
QAL_Shutdown();
#endif
si.Printf( PRINT_ALL, "Failed to open OpenAL device.\n" );
return qfalse;
}
// Create OpenAL context
alContext = qalcCreateContext( alDevice, NULL );
if ( !alContext )
{
#ifdef USE_OPENAL_DLOPEN
QAL_Shutdown();
#endif
qalcCloseDevice( alDevice );
si.Printf( PRINT_ALL, "Failed to create context\n" );
return qfalse;
}
qalcMakeContextCurrent( alContext );
qalcProcessContext( alContext );
// Print OpenAL information
si.Printf( PRINT_ALL, "OpenAL initialised\n" );
si.Printf( PRINT_ALL, " Vendor: %s\n", qalGetString( AL_VENDOR ) );
si.Printf( PRINT_ALL, " Version: %s\n", qalGetString( AL_VERSION ) );
si.Printf( PRINT_ALL, " Renderer: %s\n", qalGetString( AL_RENDERER ) );
si.Printf( PRINT_ALL, " AL Extensions: %s\n", qalGetString( AL_EXTENSIONS ) );
si.Printf( PRINT_ALL, " ALC Extensions: %s\n", qalcGetString( alDevice, ALC_EXTENSIONS ) );
if ( qalcIsExtensionPresent( NULL, "ALC_ENUMERATION_EXT" ) )
{
si.Printf( PRINT_ALL, " Device: %s\n", qalcGetString( alDevice, ALC_DEVICE_SPECIFIER ) );
si.Printf( PRINT_ALL, "Available Devices:\n%s", s_alAvailableDevices->string );
}
// Check for Linux shutdown race condition
if ( !strcmp( qalGetString( AL_VENDOR ), "J. Valenzuela" ) )
{
snd_shutdown_bug = qtrue;
}
// Initialize sources, buffers, music
al_buf_init();
al_src_init();
// Set up OpenAL parameters (doppler, etc)
qalDistanceModel( AL_INVERSE_DISTANCE_CLAMPED );
qalDopplerFactor( s_dopplerFactor->value );
qalDopplerVelocity( s_dopplerSpeed->value );;
// Add commands
si.Cmd_AddCommand( "play", S_Play_f );
si.Cmd_AddCommand( "music", S_Music_f );
#ifdef USE_VOIP
SndAl_InitCapture( qtrue );
#endif
// Init successful
si.Printf( PRINT_ALL, "initialization successful\n" );
return qtrue;
}
/*
=================
S_AL_Init
=================
*/
qboolean S_AL_Init( soundInterface_t *si )
{
#if USE_OPENAL
qboolean enumsupport, founddev = qfalse;
if( !si ) {
return qfalse;
}
// New console variables
s_alPrecache = Cvar_Get( "s_alPrecache", "1", CVAR_ARCHIVE );
s_alGain = Cvar_Get( "s_alGain", "0.4", CVAR_ARCHIVE );
s_alSources = Cvar_Get( "s_alSources", "96", CVAR_ARCHIVE );
s_alDopplerFactor = Cvar_Get( "s_alDopplerFactor", "1.0", CVAR_ARCHIVE );
s_alDopplerSpeed = Cvar_Get( "s_alDopplerSpeed", "2200", CVAR_ARCHIVE );
s_alMinDistance = Cvar_Get( "s_alMinDistance", "120", CVAR_CHEAT );
s_alMaxDistance = Cvar_Get("s_alMaxDistance", "1024", CVAR_CHEAT);
s_alRolloff = Cvar_Get( "s_alRolloff", "2", CVAR_CHEAT);
s_alGraceDistance = Cvar_Get("s_alGraceDistance", "512", CVAR_CHEAT);
s_alDriver = Cvar_Get( "s_alDriver", ALDRIVER_DEFAULT, CVAR_ARCHIVE );
// Load QAL
if( !QAL_Init( s_alDriver->string ) )
{
Com_Printf( "Failed to load library: \"%s\".\n", s_alDriver->string );
return qfalse;
}
// Device enumeration support (extension is implemented reasonably only on Windows right now).
if((enumsupport = qalcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT")))
{
char devicenames[1024] = "";
const char *devicelist;
const char *defaultdevice;
int curlen;
// get all available devices + the default device name.
devicelist = qalcGetString(NULL, ALC_DEVICE_SPECIFIER);
defaultdevice = qalcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
#ifdef _WIN32
// check whether the default device is generic hardware. If it is, change to
// Generic Software as that one works more reliably with various sound systems.
// If it's not, use OpenAL's default selection as we don't want to ignore
// native hardware acceleration.
if(!strcmp(defaultdevice, "Generic Hardware"))
s_alDevice = Cvar_Get("s_alDevice", ALDEVICE_DEFAULT, CVAR_ARCHIVE | CVAR_LATCH);
else
#endif
s_alDevice = Cvar_Get("s_alDevice", defaultdevice, CVAR_ARCHIVE | CVAR_LATCH);
// dump a list of available devices to a cvar for the user to see.
while((curlen = strlen(devicelist)))
{
Q_strcat(devicenames, sizeof(devicenames), devicelist);
Q_strcat(devicenames, sizeof(devicenames), "\n");
// check whether the device we want to load is available at all.
if(!strcmp(s_alDevice->string, devicelist))
founddev = qtrue;
devicelist += curlen + 1;
}
s_alAvailableDevices = Cvar_Get("s_alAvailableDevices", devicenames, CVAR_ROM | CVAR_NORESTART);
if(!founddev)
{
Cvar_ForceReset("s_alDevice");
founddev = 1;
}
}
if(founddev)
alDevice = qalcOpenDevice(s_alDevice->string);
else
alDevice = qalcOpenDevice(NULL);
if( !alDevice )
{
QAL_Shutdown( );
Com_Printf( "Failed to open OpenAL device.\n" );
return qfalse;
}
if(enumsupport)
Cvar_Set("s_alDevice", qalcGetString(alDevice, ALC_DEVICE_SPECIFIER));
// Create OpenAL context
alContext = qalcCreateContext( alDevice, NULL );
if( !alContext )
{
QAL_Shutdown( );
qalcCloseDevice( alDevice );
Com_Printf( "Failed to create OpenAL context.\n" );
return qfalse;
}
qalcMakeContextCurrent( alContext );
// Initialize sources, buffers, music
S_AL_BufferInit( );
S_AL_SrcInit( );
// Set up OpenAL parameters (doppler, etc)
qalDistanceModel(AL_INVERSE_DISTANCE_CLAMPED);
qalDopplerFactor( s_alDopplerFactor->value );
qalDopplerVelocity( s_alDopplerSpeed->value );
si->Shutdown = S_AL_Shutdown;
si->StartSound = S_AL_StartSound;
si->StartLocalSound = S_AL_StartLocalSound;
si->StartBackgroundTrack = S_AL_StartBackgroundTrack;
si->StopBackgroundTrack = S_AL_StopBackgroundTrack;
si->RawSamples = S_AL_RawSamples;
si->StopAllSounds = S_AL_StopAllSounds;
si->ClearLoopingSounds = S_AL_ClearLoopingSounds;
si->AddLoopingSound = S_AL_AddLoopingSound;
si->AddRealLoopingSound = S_AL_AddRealLoopingSound;
si->StopLoopingSound = S_AL_StopLoopingSound;
si->Respatialize = S_AL_Respatialize;
si->UpdateEntityPosition = S_AL_UpdateEntityPosition;
si->Update = S_AL_Update;
si->DisableSounds = S_AL_DisableSounds;
si->BeginRegistration = S_AL_BeginRegistration;
si->RegisterSound = S_AL_RegisterSound;
si->ClearSoundBuffer = S_AL_ClearSoundBuffer;
si->SoundInfo = S_AL_SoundInfo;
si->SoundList = S_AL_SoundList;
return qtrue;
#else
return qfalse;
#endif
}
/*
=================
S_AL_Init
=================
*/
qboolean S_AL_Init( soundInterface_t *si )
{
#ifdef USE_OPENAL
qboolean enumsupport, founddev = qfalse;
int i;
if( !si ) {
return qfalse;
}
for (i = 0; i < MAX_RAW_STREAMS; i++) {
streamSourceHandles[i] = -1;
streamPlaying[i] = qfalse;
streamSources[i] = 0;
}
// New console variables
s_alPrecache = Cvar_Get( "s_alPrecache", "1", CVAR_ARCHIVE );
s_alGain = Cvar_Get( "s_alGain", "1.0", CVAR_ARCHIVE );
s_alSources = Cvar_Get( "s_alSources", "96", CVAR_ARCHIVE );
s_alDopplerFactor = Cvar_Get( "s_alDopplerFactor", "1.0", CVAR_ARCHIVE );
s_alDopplerSpeed = Cvar_Get( "s_alDopplerSpeed", "2200", CVAR_ARCHIVE );
s_alMinDistance = Cvar_Get( "s_alMinDistance", "120", CVAR_CHEAT );
s_alMaxDistance = Cvar_Get("s_alMaxDistance", "1024", CVAR_CHEAT);
s_alRolloff = Cvar_Get( "s_alRolloff", "2", CVAR_CHEAT);
s_alGraceDistance = Cvar_Get("s_alGraceDistance", "512", CVAR_CHEAT);
s_alDriver = Cvar_Get( "s_alDriver", ALDRIVER_DEFAULT, CVAR_ARCHIVE );
// Load QAL
if( !QAL_Init( s_alDriver->string ) )
{
Com_Printf( "Failed to load library: \"%s\".\n", s_alDriver->string );
return qfalse;
}
// Device enumeration support (extension is implemented reasonably only on Windows right now).
if((enumsupport = qalcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT")))
{
char devicenames[1024] = "";
const char *devicelist;
const char *defaultdevice;
int curlen;
// get all available devices + the default device name.
devicelist = qalcGetString(NULL, ALC_DEVICE_SPECIFIER);
defaultdevice = qalcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
#ifdef _WIN32
// check whether the default device is generic hardware. If it is, change to
// Generic Software as that one works more reliably with various sound systems.
// If it's not, use OpenAL's default selection as we don't want to ignore
// native hardware acceleration.
if(!strcmp(defaultdevice, "Generic Hardware"))
s_alDevice = Cvar_Get("s_alDevice", ALDEVICE_DEFAULT, CVAR_ARCHIVE | CVAR_LATCH);
else
#endif
s_alDevice = Cvar_Get("s_alDevice", defaultdevice, CVAR_ARCHIVE | CVAR_LATCH);
// dump a list of available devices to a cvar for the user to see.
while((curlen = strlen(devicelist)))
{
Q_strcat(devicenames, sizeof(devicenames), devicelist);
Q_strcat(devicenames, sizeof(devicenames), "\n");
// check whether the device we want to load is available at all.
if(!strcmp(s_alDevice->string, devicelist))
founddev = qtrue;
devicelist += curlen + 1;
}
s_alAvailableDevices = Cvar_Get("s_alAvailableDevices", devicenames, CVAR_ROM | CVAR_NORESTART);
if(!founddev)
{
Cvar_ForceReset("s_alDevice");
founddev = 1;
}
}
if(founddev)
alDevice = qalcOpenDevice(s_alDevice->string);
else
alDevice = qalcOpenDevice(NULL);
if( !alDevice )
{
QAL_Shutdown( );
Com_Printf( "Failed to open OpenAL device.\n" );
return qfalse;
}
if(enumsupport)
Cvar_Set("s_alDevice", qalcGetString(alDevice, ALC_DEVICE_SPECIFIER));
// Create OpenAL context
alContext = qalcCreateContext( alDevice, NULL );
if( !alContext )
{
QAL_Shutdown( );
qalcCloseDevice( alDevice );
Com_Printf( "Failed to create OpenAL context.\n" );
return qfalse;
}
qalcMakeContextCurrent( alContext );
// Initialize sources, buffers, music
S_AL_BufferInit( );
S_AL_SrcInit( );
// Set up OpenAL parameters (doppler, etc)
qalDistanceModel(AL_INVERSE_DISTANCE_CLAMPED);
qalDopplerFactor( s_alDopplerFactor->value );
qalDopplerVelocity( s_alDopplerSpeed->value );
#ifdef USE_VOIP
// !!! FIXME: some of these alcCaptureOpenDevice() values should be cvars.
// !!! FIXME: add support for capture device enumeration.
// !!! FIXME: add some better error reporting.
s_alCapture = Cvar_Get( "s_alCapture", "1", CVAR_ARCHIVE | CVAR_LATCH );
if (!s_alCapture->integer)
{
Com_Printf("OpenAL capture support disabled by user ('+set s_alCapture 1' to enable)\n");
}
#if USE_MUMBLE
else if (cl_useMumble->integer)
{
Com_Printf("OpenAL capture support disabled for Mumble support\n");
}
#endif
else
{
#ifdef MACOS_X
// !!! FIXME: Apple has a 1.1-compliant OpenAL, which includes
// !!! FIXME: capture support, but they don't list it in the
// !!! FIXME: extension string. We need to check the version string,
// !!! FIXME: then the extension string, but that's too much trouble,
// !!! FIXME: so we'll just check the function pointer for now.
if (qalcCaptureOpenDevice == NULL)
#else
if (!qalcIsExtensionPresent(NULL, "ALC_EXT_capture"))
#endif
{
Com_Printf("No ALC_EXT_capture support, can't record audio.\n");
}
else
{
// !!! FIXME: 8000Hz is what Speex narrowband mode needs, but we
// !!! FIXME: should probably open the capture device after
// !!! FIXME: initializing Speex so we can change to wideband
// !!! FIXME: if we like.
Com_Printf("OpenAL default capture device is '%s'\n",
qalcGetString(NULL, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER));
alCaptureDevice = qalcCaptureOpenDevice(NULL, 8000, AL_FORMAT_MONO16, 4096);
Com_Printf( "OpenAL capture device %s.\n",
(alCaptureDevice == NULL) ? "failed to open" : "opened");
}
}
#endif
si->Shutdown = S_AL_Shutdown;
si->StartSound = S_AL_StartSound;
si->StartLocalSound = S_AL_StartLocalSound;
si->StartBackgroundTrack = S_AL_StartBackgroundTrack;
si->StopBackgroundTrack = S_AL_StopBackgroundTrack;
si->RawSamples = S_AL_RawSamples;
si->StopAllSounds = S_AL_StopAllSounds;
si->ClearLoopingSounds = S_AL_ClearLoopingSounds;
si->AddLoopingSound = S_AL_AddLoopingSound;
si->AddRealLoopingSound = S_AL_AddRealLoopingSound;
si->StopLoopingSound = S_AL_StopLoopingSound;
si->Respatialize = S_AL_Respatialize;
si->UpdateEntityPosition = S_AL_UpdateEntityPosition;
si->Update = S_AL_Update;
si->DisableSounds = S_AL_DisableSounds;
si->BeginRegistration = S_AL_BeginRegistration;
si->RegisterSound = S_AL_RegisterSound;
si->SoundDuration = S_AL_SoundDuration;
si->ClearSoundBuffer = S_AL_ClearSoundBuffer;
si->SoundInfo = S_AL_SoundInfo;
si->SoundList = S_AL_SoundList;
#ifdef USE_VOIP
si->StartCapture = S_AL_StartCapture;
si->AvailableCaptureSamples = S_AL_AvailableCaptureSamples;
si->Capture = S_AL_Capture;
si->StopCapture = S_AL_StopCapture;
si->MasterGain = S_AL_MasterGain;
#endif
return qtrue;
#else
return qfalse;
#endif
}
void QAL_Info(void)
{
Com_Printf("AL_VENDOR: %s\n", qalGetString(AL_VENDOR));
Com_Printf("AL_RENDERER: %s\n", qalGetString(AL_RENDERER));
Com_Printf("AL_VERSION: %s\n", qalGetString(AL_VERSION));
Com_DPrintf("AL_EXTENSIONS: %s\n", qalGetString(AL_EXTENSIONS));
// print out available devices
if (qalcIsExtensionPresent(NULL, "ALC_ENUMERATE_ALL_EXT"))
{
const char *devs = qalcGetString(NULL, ALC_ALL_DEVICES_SPECIFIER);
Com_Printf("\nAvailable OpenAL devices:\n");
if (devs == NULL)
{
// no devices, might be an old OpenAL 1.0 or prior system...
Com_Printf(S_COLOR_RED "- No devices found. Depending on your\n");
Com_Printf(S_COLOR_RED " platform this may be expected and\n");
Com_Printf(S_COLOR_RED " doesn't indicate a problem!\n");
}
else
{
while (devs && *devs)
{
Com_Printf("- %s\n", devs);
devs += strlen(devs) + 1;
}
}
}
// print out current device
if (qalcIsExtensionPresent(NULL, "ALC_ENUMERATE_ALL_EXT"))
{
const char *devs = qalcGetString(device, ALC_DEVICE_SPECIFIER);
Com_Printf("\nCurrent OpenAL device:\n");
if (devs == NULL)
Com_Printf("- No OpenAL device in use\n");
else
Com_Printf("- %s\n", devs);
}
// grab frequency for device
{
ALCint attr_size;
ALCint * attributes;
int i = 0;
qalcGetIntegerv(device, ALC_ATTRIBUTES_SIZE, sizeof(attr_size), &attr_size);
attributes = (ALCint *)Z_TagMalloc(attr_size * sizeof(ALCint), 0);
qalcGetIntegerv(device, ALC_ALL_ATTRIBUTES, attr_size, attributes);
for (i = 0; i < attr_size; i += 2)
{
if (attributes[i] == ALC_FREQUENCY)
Com_Printf("ALC_FREQUENCY: %i\n", attributes[i + 1]);
}
Z_Free(attributes);
}
// check for hrtf support
if (qalcIsExtensionPresent(device, "ALC_SOFT_HRTF"))
{
alcGetIntegerv(device, ALC_HRTF_SOFT, 1, &hrtf_state);
if (!hrtf_state)
{
Com_Printf(S_COLOR_RED "HRTF not enabled!\n");
}
else
{
const ALchar *name = alcGetString(device, ALC_HRTF_SPECIFIER_SOFT);
Com_Printf(S_COLOR_GREEN "HRTF enabled, using %s\n", name);
}
}
}
qboolean QAL_Init (void)
{
#ifdef _WIN32
char *libraries[] = { "soft_oal.dll", "openal32.dll", 0 };
#elif defined(__APPLE__)
char *libraries[] = { "libopenal.dylib", "OpenAL-Soft.framework/OpenAL-Soft", "/System/Library/Frameworks/OpenAL.framework/OpenAL", 0 };
#else
char *libraries[] = { "libopenal.so", "libopenal.so.0", "libopenal.so.1", 0 };
#endif
char name[256];
// init cvars
al_device = Cvar_Get ("al_device", "", CVAR_ARCHIVE);
al_driver = Cvar_Get ("al_driver", "", CVAR_ARCHIVE);
// prevent the user from screwing themselves by setting an invalid library
strncpy(name, al_driver->string, sizeof(name));
Com_DPrintf("LoadLibrary (%s)\n", name);
Sys_LoadLibrary(name, NULL, &handle);
for (int i = 0; !handle && libraries[i] != NULL; i++)
{
Com_DPrintf("LoadLibrary (%s)\n", libraries[i]);
Sys_LoadLibrary(libraries[i], NULL, &handle);
if (handle)
{
// hey we got one!
Cvar_Set("al_driver", libraries[i]);
}
}
if (!handle)
{
Com_Printf(S_COLOR_RED "Loading %s failed! Disabling OpenAL.\n", al_driver->string);
return false;
}
#define QAL(type,func) q##func = Sys_GetProcAddress (handle, #func);
QALC_IMP
QAL_IMP
#undef QAL
// open the OpenAL device
Com_DPrintf("...opening OpenAL device: ");
// get list of OpenAL devices
{
char* devices = (char*)qalcGetString(NULL, ALC_DEVICE_SPECIFIER);
while (!device && devices && *devices != 0)
{
Com_DPrintf(S_COLOR_GREEN "...found OpenAL device: %s\n",devices);
devices += strlen(devices) + 1; // on to the next device
}
}
// try and open what the user has set as the device
{
const char *dev = al_device->string[0] ? al_device->string : qalcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER);
Com_DPrintf("...attempting to open OpenAL device '%s': ", dev);
device = qalcOpenDevice(dev);
}
// ugh, no device still, so open the default
if (!device)
{
Com_DPrintf(S_COLOR_RED "failed!\n...attempting to open default OpenAL device: ");
device = qalcOpenDevice(qalcGetString(NULL, ALC_DEFAULT_DEVICE_SPECIFIER));
}
if (!device)
goto fail;
Com_DPrintf (S_COLOR_GREEN "ok\n");
// create OpenAL context
Com_DPrintf ("...creating OpenAL context: ");
context = qalcCreateContext (device, NULL);
if (!context)
goto fail;
Com_DPrintf (S_COLOR_GREEN "ok\n");
// make OpenAL context current
Com_DPrintf ("...making context current: ");
if (!qalcMakeContextCurrent(context))
goto fail;
Com_DPrintf (S_COLOR_GREEN "ok\n");
// enumerate available HRTFs, and reset the device using one
if (qalcIsExtensionPresent(device, "ALC_SOFT_HRTF"))
{
ALCint num_hrtf;
qalcGetIntegerv(device, ALC_NUM_HRTF_SPECIFIERS_SOFT, 1, &num_hrtf);
if (!num_hrtf)
{
Com_DPrintf(S_COLOR_RED "...no HRTFs found\n");
}
else
{
const char *hrtfname = "hrtf\\default-44100"; // default 44hz HRTF
ALCint attr[5];
ALCint index = -1;
ALCint i;
Com_DPrintf("...available HRTFs:\n");
for (i = 0; i < num_hrtf; i++)
{
const ALCchar *name = qalcGetStringiSOFT(device, ALC_HRTF_SPECIFIER_SOFT, i);
Com_DPrintf(" %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)
Com_DPrintf(S_COLOR_RED "HRTF \"%s\" not found\n", hrtfname);
Com_DPrintf(S_COLOR_GREEN "Using default HRTF...\n");
}
else
{
Com_DPrintf(S_COLOR_GREEN "Selecting HRTF %d...\n", index);
attr[i++] = ALC_HRTF_ID_SOFT;
attr[i++] = index;
}
attr[i] = 0;
if (!qalcResetDeviceSOFT(device, attr))
goto fail;
}
}
return true;
fail:
Com_DPrintf (S_COLOR_RED "failed\n");
QAL_Shutdown ();
return false;
}
