/*
* Initializes the OpenAL backend
*/
qboolean
AL_Init(void)
{
int i;
if (!QAL_Init())
{
Com_Printf("ERROR: OpenAL failed to initialize.\n");
return false;
}
s_openal_maxgain = Cvar_Get("s_openal_maxgain", "1.0", CVAR_ARCHIVE);
/* check for linear distance extension */
if (!qalIsExtensionPresent("AL_EXT_LINEAR_DISTANCE"))
{
Com_Printf("ERROR: Required AL_EXT_LINEAR_DISTANCE extension is missing.\n");
QAL_Shutdown();
return false;
}
/* generate source names */
qalGetError();
qalGenSources(1, &streamSource);
if (qalGetError() != AL_NO_ERROR)
{
Com_Printf("ERROR: Couldn't get a single Source.\n");
QAL_Shutdown();
return false;
}
else
{
/* -1 because we already got one channel for streaming */
for (i = 0; i < MAX_CHANNELS - 1; i++)
{
qalGenSources(1, &s_srcnums[i]);
if (qalGetError() != AL_NO_ERROR)
{
break;
}
}
if (i < MIN_CHANNELS - 1)
{
Com_Printf("ERROR: Required at least %d sources, but got %d.\n",
MIN_CHANNELS, i + 1);
QAL_Shutdown();
return false;
}
}
s_numchannels = i;
AL_InitStreamSource();
AL_InitUnderwaterFilter();
Com_Printf("Number of OpenAL sources: %d\n\n", s_numchannels);
return true;
}
qboolean QAL_Init(void)
{
al_device = Cvar_Get("al_device", "", 0);
device = alcOpenDevice(al_device->string[0] ? al_device->string : NULL);
if (!device) {
Com_SetLastError(va("alcOpenDevice(%s) failed", al_device->string));
goto fail;
}
context = alcCreateContext(device, NULL);
if (!context) {
Com_SetLastError("alcCreateContext failed");
goto fail;
}
if (!alcMakeContextCurrent(context)) {
Com_SetLastError("alcMakeContextCurrent failed");
goto fail;
}
al_device->flags |= CVAR_SOUND;
return qtrue;
fail:
QAL_Shutdown();
return qfalse;
}
/*
=================
S_AL_Shutdown
=================
*/
static
void S_AL_Shutdown( void )
{
// Shut down everything
int i;
for (i = 0; i < MAX_RAW_STREAMS; i++)
S_AL_StreamDie(i);
S_AL_StopBackgroundTrack( );
S_AL_SrcShutdown( );
S_AL_BufferShutdown( );
qalcDestroyContext(alContext);
qalcCloseDevice(alDevice);
#ifdef USE_VOIP
if (alCaptureDevice != NULL) {
qalcCaptureStop(alCaptureDevice);
qalcCaptureCloseDevice(alCaptureDevice);
alCaptureDevice = NULL;
Com_Printf( "OpenAL capture device closed.\n" );
}
#endif
for (i = 0; i < MAX_RAW_STREAMS; i++) {
streamSourceHandles[i] = -1;
streamPlaying[i] = qfalse;
streamSources[i] = 0;
}
QAL_Shutdown();
}
/*
=================
AL_Shutdown
=================
*/
void AL_Shutdown (void){
Com_Printf("Shutting down OpenAL subsystem\n", LOG_CLIENT);
if (alState.hALC)
{
Com_Printf("...alcMakeContextCurrent( NULL ): ", LOG_CLIENT);
if (!alcMakeContextCurrent(NULL))
Com_Printf("failed\n", LOG_CLIENT);
else
Com_Printf("succeeded\n", LOG_CLIENT);
Com_Printf("...destroying AL context\n", LOG_CLIENT);
alcDestroyContext(alState.hALC);
alState.hALC = NULL;
}
if (alState.hDevice)
{
Com_Printf("...closing device\n", LOG_CLIENT);
alcCloseDevice(alState.hDevice);
alState.hDevice = NULL;
}
QAL_Shutdown();
memset(&alConfig, 0, sizeof(alConfig_t));
memset(&alState, 0, sizeof(alState_t));
}
void AL_Shutdown( void ) {
Com_Printf( "Shutting down OpenAL.\n" );
if( s_numchannels ) {
// delete source names
qalDeleteSources( s_numchannels, s_srcnums );
memset( s_srcnums, 0, sizeof( s_srcnums ) );
s_numchannels = 0;
}
QAL_Shutdown();
}
/*
=================
S_AL_Shutdown
=================
*/
static
void S_AL_Shutdown( void )
{
// Shut down everything
S_AL_StreamDie( );
S_AL_StopBackgroundTrack( );
S_AL_SrcShutdown( );
S_AL_BufferShutdown( );
qalcDestroyContext(alContext);
qalcCloseDevice(alDevice);
QAL_Shutdown();
}
void AL_Shutdown( void ) {
Com_Printf( "Shutting down OpenAL.\n" );
S_AL_StreamDie();
qalDeleteSources(1, &streamSource);
qalDeleteFilters(1, &underwaterFilter);
if( s_numchannels ) {
// delete source names
qalDeleteSources( s_numchannels, s_srcnums );
memset( s_srcnums, 0, sizeof( s_srcnums ) );
s_numchannels = 0;
}
QAL_Shutdown();
}
qboolean QAL_Init(void)
{
al_driver = Cvar_Get("al_driver", LIBAL, 0);
al_device = Cvar_Get("al_device", "", 0);
// don't allow absolute or relative paths
FS_SanitizeFilenameVariable(al_driver);
Sys_LoadLibrary(al_driver->string, NULL, &handle);
if (!handle) {
return qfalse;
}
#define QAL(type, func) q##func = Sys_GetProcAddress(handle, #func)
QALC_IMP
QAL_IMP
#undef QAL
device = qalcOpenDevice(al_device->string[0] ? al_device->string : NULL);
if (!device) {
Com_SetLastError(va("alcOpenDevice(%s) failed", al_device->string));
goto fail;
}
context = qalcCreateContext(device, NULL);
if (!context) {
Com_SetLastError("alcCreateContext failed");
goto fail;
}
if (!qalcMakeContextCurrent(context)) {
Com_SetLastError("alcMakeContextCurrent failed");
goto fail;
}
al_driver->flags |= CVAR_SOUND;
al_device->flags |= CVAR_SOUND;
return qtrue;
fail:
QAL_Shutdown();
return qfalse;
}
qboolean QAL_Init( void ) {
al_driver = Cvar_Get( "al_driver", DEFAULT_OPENAL_DRIVER, CVAR_SOUND );
al_device = Cvar_Get( "al_device", "", CVAR_SOUND );
Sys_LoadLibrary( al_driver->string, NULL, &handle );
if( !handle ) {
return qfalse;
}
#define QAL(type,func) q##func = Sys_GetProcAddress( handle, #func );
QALC_IMP
QAL_IMP
#undef QAL
Com_DPrintf( "...opening OpenAL device: " );
device = qalcOpenDevice( al_device->string[0] ? al_device->string : NULL );
if( !device ) {
goto fail;
}
Com_DPrintf( "ok\n" );
Com_DPrintf( "...creating OpenAL context: " );
context = qalcCreateContext( device, NULL );
if( !context ) {
goto fail;
}
Com_DPrintf( "ok\n" );
Com_DPrintf( "...making context current: " );
if( !qalcMakeContextCurrent( context ) ) {
goto fail;
}
Com_DPrintf( "ok\n" );
al_driver->flags |= CVAR_SOUND;
al_device->flags |= CVAR_SOUND;
return qtrue;
fail:
Com_DPrintf( "failed\n" );
QAL_Shutdown();
return qfalse;
}
/*
* Shuts the OpenAL backend down
*/
void
AL_Shutdown ( void )
{
Com_Printf ( "Shutting down OpenAL.\n" );
AL_StreamDie();
qalDeleteSources ( 1, &streamSource );
#if !defined (HT_OS_OSX)
qalDeleteFilters ( 1, &underwaterFilter );
#endif
if ( s_numchannels ) {
/* delete source names */
qalDeleteSources ( s_numchannels, s_srcnums );
memset ( s_srcnums, 0, sizeof ( s_srcnums ) );
s_numchannels = 0;
}
QAL_Shutdown();
}
/*
* SF_Shutdown
*/
void SF_Shutdown( bool verbose )
{
if( !soundpool ) {
return;
}
SF_StopAllSounds( true, true );
// wake up the mixer
SF_Activate( true );
// wait for the queue to be processed
S_FinishSoundCmdPipe( s_cmdPipe );
S_ShutdownBuffers();
// shutdown backend
S_IssueShutdownCmd( s_cmdPipe, verbose );
// wait for the queue to be processed
S_FinishSoundCmdPipe( s_cmdPipe );
// wait for the backend thread to die
trap_Thread_Join( s_backThread );
s_backThread = NULL;
S_DestroySoundCmdPipe( &s_cmdPipe );
#ifdef ENABLE_PLAY
trap_Cmd_RemoveCommand( "play" );
#endif
trap_Cmd_RemoveCommand( "music" );
trap_Cmd_RemoveCommand( "stopmusic" );
trap_Cmd_RemoveCommand( "prevmusic" );
trap_Cmd_RemoveCommand( "nextmusic" );
trap_Cmd_RemoveCommand( "pausemusic" );
trap_Cmd_RemoveCommand( "soundlist" );
trap_Cmd_RemoveCommand( "s_devices" );
QAL_Shutdown();
S_MemFreePool( &soundpool );
}
qboolean AL_Init(void)
{
int i;
Com_DPrintf("Initializing OpenAL\n");
if (!QAL_Init()) {
goto fail0;
}
// check for linear distance extension
if (!qalIsExtensionPresent("AL_EXT_LINEAR_DISTANCE")) {
Com_SetLastError("AL_EXT_LINEAR_DISTANCE extension is missing");
goto fail1;
}
// generate source names
qalGetError();
for (i = 0; i < MAX_CHANNELS; i++) {
qalGenSources(1, &s_srcnums[i]);
if (qalGetError() != AL_NO_ERROR) {
break;
}
}
Com_DPrintf("Got %d AL sources\n", i);
if (i < MIN_CHANNELS) {
Com_SetLastError("Insufficient number of AL sources");
goto fail1;
}
s_numchannels = i;
Com_Printf("OpenAL initialized.\n");
return qtrue;
fail1:
QAL_Shutdown();
fail0:
Com_EPrintf("Failed to initialize OpenAL: %s\n", Com_GetLastError());
return qfalse;
}
/*
=================
AL_StartOpenAL
=================
*/
static qboolean AL_StartOpenAL ()
{
// Initialize our QAL dynamic bindings
if (!QAL_Init())
return false;
// Get device list
if (alcIsExtensionPresent(NULL, "ALC_ENUMERATION_EXT"))
alConfig.deviceList = alcGetString(NULL, ALC_DEVICE_SPECIFIER);
else
alConfig.deviceList = "DirectSound3D\0DirectSound\0MMSYSTEM\0\0";
// Initialize the device, context, etc...
if (AL_InitDriver())
return true;
// Shutdown QAL
QAL_Shutdown();
return false;
}
/*
* S_Shutdown
*/
void S_Shutdown( qboolean verbose )
{
S_StopStream();
S_StopBackgroundTrack();
#ifdef ENABLE_PLAY
trap_Cmd_RemoveCommand( "play" );
#endif
trap_Cmd_RemoveCommand( "music" );
trap_Cmd_RemoveCommand( "stopmusic" );
trap_Cmd_RemoveCommand( "prevmusic" );
trap_Cmd_RemoveCommand( "nextmusic" );
trap_Cmd_RemoveCommand( "pausemusic" );
trap_Cmd_RemoveCommand( "soundlist" );
trap_Cmd_RemoveCommand( "s_devices" );
S_ShutdownSources();
S_ShutdownBuffers();
S_ShutdownDecoders( verbose );
if( alContext )
{
if( !snd_shutdown_bug )
qalcMakeContextCurrent( NULL );
qalcDestroyContext( alContext );
alContext = NULL;
}
if( alDevice )
{
qalcCloseDevice( alDevice );
alDevice = NULL;
}
QAL_Shutdown();
S_MemFreePool( &soundpool );
}
qboolean AL_Init( void ) {
int i;
if( !QAL_Init() ) {
Com_EPrintf( "OpenAL failed to initialize.\n" );
return qfalse;
}
// check for linear distance extension
if( !qalIsExtensionPresent( "AL_EXT_LINEAR_DISTANCE" ) ) {
Com_EPrintf( "Required AL_EXT_LINEAR_DISTANCE extension is missing.\n" );
goto fail;
}
// generate source names
qalGetError();
for( i = 0; i < MAX_CHANNELS; i++ ) {
qalGenSources( 1, &s_srcnums[i] );
if( qalGetError() != AL_NO_ERROR ) {
break;
}
}
if( i < MIN_CHANNELS ) {
Com_EPrintf( "Required at least %d sources, but got %d.\n", MIN_CHANNELS, i );
goto fail;
}
s_numchannels = i;
Com_Printf( "OpenAL initialized.\n" );
return qtrue;
fail:
QAL_Shutdown();
return qfalse;
}
void SndAl_Shutdown( void )
{
// Remove commands
si.Cmd_RemoveCommand( "music" );
si.Cmd_RemoveCommand( "play" );
// Shut down everything
al_stream_die();
SndAl_StopBackgroundTrack();
al_src_shutdown();
al_buf_shutdown();
if ( !snd_shutdown_bug )
{
qalcMakeContextCurrent( NULL );
}
qalcDestroyContext( alContext );
qalcCloseDevice( alDevice );
#ifdef USE_VOIP
if ( alCaptureDevice != NULL )
{
qalcCaptureStop( alCaptureDevice );
qalcCaptureCloseDevice( alCaptureDevice );
alCaptureDevice = NULL;
si.Printf( PRINT_ALL, "OpenAL capture device closed.\n" );
}
#endif
#ifdef USE_OPENAL_DLOPEN
QAL_Shutdown();
#endif
}
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;
}
/*
* Loads the OpenAL shared lib, creates
* a context and device handle.
*/
qboolean
QAL_Init()
{
/* DEFAULT_OPENAL_DRIVER is defined at compile time via the compiler */
al_driver = Cvar_Get("al_driver", DEFAULT_OPENAL_DRIVER, CVAR_ARCHIVE);
al_device = Cvar_Get("al_device", "", CVAR_ARCHIVE);
Com_Printf("LoadLibrary(%s)\n", al_driver->string);
/* Load the library */
Sys_LoadLibrary(al_driver->string, NULL, &handle);
if (!handle)
{
Com_Printf("Loading %s failed! Disabling OpenAL.\n", al_driver->string);
return false;
}
/* Connect function pointers to management functions */
qalcCreateContext = Sys_GetProcAddress(handle, "alcCreateContext");
qalcMakeContextCurrent = Sys_GetProcAddress(handle, "alcMakeContextCurrent");
qalcProcessContext = Sys_GetProcAddress(handle, "alcProcessContext");
qalcSuspendContext = Sys_GetProcAddress(handle, "alcSuspendContext");
qalcDestroyContext = Sys_GetProcAddress(handle, "alcDestroyContext");
qalcGetCurrentContext = Sys_GetProcAddress(handle, "alcGetCurrentContext");
qalcGetContextsDevice = Sys_GetProcAddress(handle, "alcGetContextsDevice");
qalcOpenDevice = Sys_GetProcAddress(handle, "alcOpenDevice");
qalcCloseDevice = Sys_GetProcAddress(handle, "alcCloseDevice");
qalcGetError = Sys_GetProcAddress(handle, "alcGetError");
qalcIsExtensionPresent = Sys_GetProcAddress(handle, "alcIsExtensionPresent");
qalcGetProcAddress = Sys_GetProcAddress(handle, "alcGetProcAddress");
qalcGetEnumValue = Sys_GetProcAddress(handle, "alcGetEnumValue");
qalcGetString = Sys_GetProcAddress(handle, "alcGetString");
qalcGetIntegerv = Sys_GetProcAddress(handle, "alcGetIntegerv");
qalcCaptureOpenDevice = Sys_GetProcAddress(handle, "alcCaptureOpenDevice");
qalcCaptureCloseDevice = Sys_GetProcAddress(handle, "alcCaptureCloseDevice");
qalcCaptureStart = Sys_GetProcAddress(handle, "alcCaptureStart");
qalcCaptureStop = Sys_GetProcAddress(handle, "alcCaptureStop");
qalcCaptureSamples = Sys_GetProcAddress(handle, "alcCaptureSamples");
/* Connect function pointers to
to OpenAL API functions */
qalEnable = Sys_GetProcAddress(handle, "alEnable");
qalDisable = Sys_GetProcAddress(handle, "alDisable");
qalIsEnabled = Sys_GetProcAddress(handle, "alIsEnabled");
qalGetString = Sys_GetProcAddress(handle, "alGetString");
qalGetBooleanv = Sys_GetProcAddress(handle, "alGetBooleanv");
qalGetIntegerv = Sys_GetProcAddress(handle, "alGetIntegerv");
qalGetFloatv = Sys_GetProcAddress(handle, "alGetFloatv");
qalGetDoublev = Sys_GetProcAddress(handle, "alGetDoublev");
qalGetBoolean = Sys_GetProcAddress(handle, "alGetBoolean");
qalGetInteger = Sys_GetProcAddress(handle, "alGetInteger");
qalGetFloat = Sys_GetProcAddress(handle, "alGetFloat");
qalGetDouble = Sys_GetProcAddress(handle, "alGetDouble");
qalGetError = Sys_GetProcAddress(handle, "alGetError");
qalIsExtensionPresent = Sys_GetProcAddress(handle, "alIsExtensionPresent");
qalGetProcAddress = Sys_GetProcAddress(handle, "alGetProcAddress");
qalGetEnumValue = Sys_GetProcAddress(handle, "alGetEnumValue");
qalListenerf = Sys_GetProcAddress(handle, "alListenerf");
qalListener3f = Sys_GetProcAddress(handle, "alListener3f");
qalListenerfv = Sys_GetProcAddress(handle, "alListenerfv");
qalListeneri = Sys_GetProcAddress(handle, "alListeneri");
qalListener3i = Sys_GetProcAddress(handle, "alListener3i");
qalListeneriv = Sys_GetProcAddress(handle, "alListeneriv");
qalGetListenerf = Sys_GetProcAddress(handle, "alGetListenerf");
qalGetListener3f = Sys_GetProcAddress(handle, "alGetListener3f");
qalGetListenerfv = Sys_GetProcAddress(handle, "alGetListenerfv");
qalGetListeneri = Sys_GetProcAddress(handle, "alGetListeneri");
qalGetListener3i = Sys_GetProcAddress(handle, "alGetListener3i");
qalGetListeneriv = Sys_GetProcAddress(handle, "alGetListeneriv");
qalGenSources = Sys_GetProcAddress(handle, "alGenSources");
qalDeleteSources = Sys_GetProcAddress(handle, "alDeleteSources");
qalIsSource = Sys_GetProcAddress(handle, "alIsSource");
qalSourcef = Sys_GetProcAddress(handle, "alSourcef");
qalSource3f = Sys_GetProcAddress(handle, "alSource3f");
qalSourcefv = Sys_GetProcAddress(handle, "alSourcefv");
qalSourcei = Sys_GetProcAddress(handle, "alSourcei");
qalSource3i = Sys_GetProcAddress(handle, "alSource3i");
qalSourceiv = Sys_GetProcAddress(handle, "alSourceiv");
qalGetSourcef = Sys_GetProcAddress(handle, "alGetSourcef");
qalGetSource3f = Sys_GetProcAddress(handle, "alGetSource3f");
qalGetSourcefv = Sys_GetProcAddress(handle, "alGetSourcefv");
qalGetSourcei = Sys_GetProcAddress(handle, "alGetSourcei");
qalGetSource3i = Sys_GetProcAddress(handle, "alGetSource3i");
qalGetSourceiv = Sys_GetProcAddress(handle, "alGetSourceiv");
qalSourcePlayv = Sys_GetProcAddress(handle, "alSourcePlayv");
qalSourceStopv = Sys_GetProcAddress(handle, "alSourceStopv");
qalSourceRewindv = Sys_GetProcAddress(handle, "alSourceRewindv");
qalSourcePausev = Sys_GetProcAddress(handle, "alSourcePausev");
qalSourcePlay = Sys_GetProcAddress(handle, "alSourcePlay");
qalSourceStop = Sys_GetProcAddress(handle, "alSourceStop");
qalSourceRewind = Sys_GetProcAddress(handle, "alSourceRewind");
qalSourcePause = Sys_GetProcAddress(handle, "alSourcePause");
qalSourceQueueBuffers = Sys_GetProcAddress(handle, "alSourceQueueBuffers");
qalSourceUnqueueBuffers = Sys_GetProcAddress(handle, "alSourceUnqueueBuffers");
qalGenBuffers = Sys_GetProcAddress(handle, "alGenBuffers");
qalDeleteBuffers = Sys_GetProcAddress(handle, "alDeleteBuffers");
qalIsBuffer = Sys_GetProcAddress(handle, "alIsBuffer");
qalBufferData = Sys_GetProcAddress(handle, "alBufferData");
qalBufferf = Sys_GetProcAddress(handle, "alBufferf");
qalBuffer3f = Sys_GetProcAddress(handle, "alBuffer3f");
qalBufferfv = Sys_GetProcAddress(handle, "alBufferfv");
qalBufferi = Sys_GetProcAddress(handle, "alBufferi");
qalBuffer3i = Sys_GetProcAddress(handle, "alBuffer3i");
qalBufferiv = Sys_GetProcAddress(handle, "alBufferiv");
qalGetBufferf = Sys_GetProcAddress(handle, "alGetBufferf");
qalGetBuffer3f = Sys_GetProcAddress(handle, "alGetBuffer3f");
qalGetBufferfv = Sys_GetProcAddress(handle, "alGetBufferfv");
qalGetBufferi = Sys_GetProcAddress(handle, "alGetBufferi");
qalGetBuffer3i = Sys_GetProcAddress(handle, "alGetBuffer3i");
qalGetBufferiv = Sys_GetProcAddress(handle, "alGetBufferiv");
qalDopplerFactor = Sys_GetProcAddress(handle, "alDopplerFactor");
qalDopplerVelocity = Sys_GetProcAddress(handle, "alDopplerVelocity");
qalSpeedOfSound = Sys_GetProcAddress(handle, "alSpeedOfSound");
qalDistanceModel = Sys_GetProcAddress(handle, "alDistanceModel");
#if !defined (__APPLE__)
qalGenFilters = Sys_GetProcAddress(handle, "alGenFilters");
qalFilteri = Sys_GetProcAddress(handle, "alFilteri");
qalFilterf = Sys_GetProcAddress(handle, "alFilterf");
qalDeleteFilters = Sys_GetProcAddress(handle, "alDeleteFilters");
#endif
/* Open the OpenAL device */
Com_Printf("...opening OpenAL device:");
device = qalcOpenDevice(al_device->string[0] ? al_device->string : NULL);
if(!device)
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
Com_Printf("ok\n");
/* Create the OpenAL context */
Com_Printf("...creating OpenAL context: ");
context = qalcCreateContext(device, NULL);
if(!context)
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
Com_Printf("ok\n");
/* Set the created context as current context */
Com_Printf("...making context current: ");
if (!qalcMakeContextCurrent(context))
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
Com_Printf("ok\n");
/* Print OpenAL informations */
Com_Printf("\n");
QAL_SoundInfo();
Com_Printf("\n");
return true;
}
/*
=================
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
}
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;
}
/*
* QAL_Init
*/
bool QAL_Init( const char *libname, bool verbose )
{
if( OpenALLib )
return true;
if( verbose )
Com_Printf( "Loading OpenAL library: %s\n", libname );
if( ( OpenALLib = OBJLOAD( libname ) ) == 0 )
{
#ifdef _WIN32
return false;
#else
char fn[2048];
if( getcwd( fn, sizeof( fn ) ) == NULL )
return false;
Q_strncatz( fn, "/", sizeof( fn ) );
Q_strncatz( fn, libname, sizeof( fn ) );
if( ( OpenALLib = OBJLOAD( fn ) ) == 0 )
return false;
#endif
}
alinit_fail = false;
qalEnable = GPA( "alEnable" );
qalDisable = GPA( "alDisable" );
qalIsEnabled = GPA( "alIsEnabled" );
qalGetString = GPA( "alGetString" );
qalGetBooleanv = GPA( "alGetBooleanv" );
qalGetIntegerv = GPA( "alGetIntegerv" );
qalGetFloatv = GPA( "alGetFloatv" );
qalGetDoublev = GPA( "alGetDoublev" );
qalGetBoolean = GPA( "alGetBoolean" );
qalGetInteger = GPA( "alGetInteger" );
qalGetFloat = GPA( "alGetFloat" );
qalGetDouble = GPA( "alGetDouble" );
qalGetError = GPA( "alGetError" );
qalIsExtensionPresent = GPA( "alIsExtensionPresent" );
qalGetProcAddress = GPA( "alGetProcAddress" );
qalGetEnumValue = GPA( "alGetEnumValue" );
qalListenerf = GPA( "alListenerf" );
qalListener3f = GPA( "alListener3f" );
qalListenerfv = GPA( "alListenerfv" );
qalListeneri = GPA( "alListeneri" );
qalGetListenerf = GPA( "alGetListenerf" );
qalGetListener3f = GPA( "alGetListener3f" );
qalGetListenerfv = GPA( "alGetListenerfv" );
qalGetListeneri = GPA( "alGetListeneri" );
qalGenSources = GPA( "alGenSources" );
qalDeleteSources = GPA( "alDeleteSources" );
qalIsSource = GPA( "alIsSource" );
qalSourcef = GPA( "alSourcef" );
qalSource3f = GPA( "alSource3f" );
qalSourcefv = GPA( "alSourcefv" );
qalSourcei = GPA( "alSourcei" );
qalGetSourcef = GPA( "alGetSourcef" );
qalGetSource3f = GPA( "alGetSource3f" );
qalGetSourcefv = GPA( "alGetSourcefv" );
qalGetSourcei = GPA( "alGetSourcei" );
qalSourcePlayv = GPA( "alSourcePlayv" );
qalSourceStopv = GPA( "alSourceStopv" );
qalSourceRewindv = GPA( "alSourceRewindv" );
qalSourcePausev = GPA( "alSourcePausev" );
qalSourcePlay = GPA( "alSourcePlay" );
qalSourceStop = GPA( "alSourceStop" );
qalSourceRewind = GPA( "alSourceRewind" );
qalSourcePause = GPA( "alSourcePause" );
qalSourceQueueBuffers = GPA( "alSourceQueueBuffers" );
qalSourceUnqueueBuffers = GPA( "alSourceUnqueueBuffers" );
qalGenBuffers = GPA( "alGenBuffers" );
qalDeleteBuffers = GPA( "alDeleteBuffers" );
qalIsBuffer = GPA( "alIsBuffer" );
qalBufferData = GPA( "alBufferData" );
qalGetBufferf = GPA( "alGetBufferf" );
qalGetBufferi = GPA( "alGetBufferi" );
qalDopplerFactor = GPA( "alDopplerFactor" );
qalDopplerVelocity = GPA( "alDopplerVelocity" );
qalSpeedOfSound = GPA( "alSpeedOfSound" );
qalDistanceModel = GPA( "alDistanceModel" );
qalcCreateContext = GPA( "alcCreateContext" );
qalcMakeContextCurrent = GPA( "alcMakeContextCurrent" );
qalcProcessContext = GPA( "alcProcessContext" );
qalcSuspendContext = GPA( "alcSuspendContext" );
qalcDestroyContext = GPA( "alcDestroyContext" );
qalcGetCurrentContext = GPA( "alcGetCurrentContext" );
qalcGetContextsDevice = GPA( "alcGetContextsDevice" );
qalcOpenDevice = GPA( "alcOpenDevice" );
qalcCloseDevice = GPA( "alcCloseDevice" );
qalcGetError = GPA( "alcGetError" );
qalcIsExtensionPresent = GPA( "alcIsExtensionPresent" );
qalcGetProcAddress = GPA( "alcGetProcAddress" );
qalcGetEnumValue = GPA( "alcGetEnumValue" );
qalcGetString = GPA( "alcGetString" );
qalcGetIntegerv = GPA( "alcGetIntegerv" );
if( alinit_fail )
{
QAL_Shutdown();
Com_Printf( " Error: One or more symbols not found.\n" );
return false;
}
return true;
}
/*
* Loads the OpenAL shared lib, creates
* a context and device handle.
*/
qboolean
QAL_Init()
{
al_device = Cvar_Get("al_device", "", CVAR_ARCHIVE);
#ifdef DLOPEN_OPENAL
/* DEFAULT_OPENAL_DRIVER is defined at compile time via the compiler */
al_driver = Cvar_Get("al_driver", DEFAULT_OPENAL_DRIVER, CVAR_ARCHIVE);
Com_Printf("LoadLibrary(%s)\n", al_driver->string);
/* Load the library */
Sys_LoadLibrary(al_driver->string, NULL, &handle);
if (!handle)
{
Com_Printf("Loading %s failed! Disabling OpenAL.\n", al_driver->string);
return false;
}
# define ALSYMBOL(handle, sym) Sys_GetProcAddress(handle, #sym)
#else
handle = NULL;
# define ALSYMBOL(handle, sym) sym
#endif
/* Connect function pointers to management functions */
qalcCreateContext = ALSYMBOL(handle, alcCreateContext);
qalcMakeContextCurrent = ALSYMBOL(handle, alcMakeContextCurrent);
qalcProcessContext = ALSYMBOL(handle, alcProcessContext);
qalcSuspendContext = ALSYMBOL(handle, alcSuspendContext);
qalcDestroyContext = ALSYMBOL(handle, alcDestroyContext);
qalcGetCurrentContext = ALSYMBOL(handle, alcGetCurrentContext);
qalcGetContextsDevice = ALSYMBOL(handle, alcGetContextsDevice);
qalcOpenDevice = ALSYMBOL(handle, alcOpenDevice);
qalcCloseDevice = ALSYMBOL(handle, alcCloseDevice);
qalcGetError = ALSYMBOL(handle, alcGetError);
qalcIsExtensionPresent = ALSYMBOL(handle, alcIsExtensionPresent);
qalcGetProcAddress = ALSYMBOL(handle, alcGetProcAddress);
qalcGetEnumValue = ALSYMBOL(handle, alcGetEnumValue);
qalcGetString = ALSYMBOL(handle, alcGetString);
qalcGetIntegerv = ALSYMBOL(handle, alcGetIntegerv);
qalcCaptureOpenDevice = ALSYMBOL(handle, alcCaptureOpenDevice);
qalcCaptureCloseDevice = ALSYMBOL(handle, alcCaptureCloseDevice);
qalcCaptureStart = ALSYMBOL(handle, alcCaptureStart);
qalcCaptureStop = ALSYMBOL(handle, alcCaptureStop);
qalcCaptureSamples = ALSYMBOL(handle, alcCaptureSamples);
/* Connect function pointers to
to OpenAL API functions */
qalEnable = ALSYMBOL(handle, alEnable);
qalDisable = ALSYMBOL(handle, alDisable);
qalIsEnabled = ALSYMBOL(handle, alIsEnabled);
qalGetString = ALSYMBOL(handle, alGetString);
qalGetBooleanv = ALSYMBOL(handle, alGetBooleanv);
qalGetIntegerv = ALSYMBOL(handle, alGetIntegerv);
qalGetFloatv = ALSYMBOL(handle, alGetFloatv);
qalGetDoublev = ALSYMBOL(handle, alGetDoublev);
qalGetBoolean = ALSYMBOL(handle, alGetBoolean);
qalGetInteger = ALSYMBOL(handle, alGetInteger);
qalGetFloat = ALSYMBOL(handle, alGetFloat);
qalGetDouble = ALSYMBOL(handle, alGetDouble);
qalGetError = ALSYMBOL(handle, alGetError);
qalIsExtensionPresent = ALSYMBOL(handle, alIsExtensionPresent);
qalGetProcAddress = ALSYMBOL(handle, alGetProcAddress);
qalGetEnumValue = ALSYMBOL(handle, alGetEnumValue);
qalListenerf = ALSYMBOL(handle, alListenerf);
qalListener3f = ALSYMBOL(handle, alListener3f);
qalListenerfv = ALSYMBOL(handle, alListenerfv);
qalListeneri = ALSYMBOL(handle, alListeneri);
qalListener3i = ALSYMBOL(handle, alListener3i);
qalListeneriv = ALSYMBOL(handle, alListeneriv);
qalGetListenerf = ALSYMBOL(handle, alGetListenerf);
qalGetListener3f = ALSYMBOL(handle, alGetListener3f);
qalGetListenerfv = ALSYMBOL(handle, alGetListenerfv);
qalGetListeneri = ALSYMBOL(handle, alGetListeneri);
qalGetListener3i = ALSYMBOL(handle, alGetListener3i);
qalGetListeneriv = ALSYMBOL(handle, alGetListeneriv);
qalGenSources = ALSYMBOL(handle, alGenSources);
qalDeleteSources = ALSYMBOL(handle, alDeleteSources);
qalIsSource = ALSYMBOL(handle, alIsSource);
qalSourcef = ALSYMBOL(handle, alSourcef);
qalSource3f = ALSYMBOL(handle, alSource3f);
qalSourcefv = ALSYMBOL(handle, alSourcefv);
qalSourcei = ALSYMBOL(handle, alSourcei);
qalSource3i = ALSYMBOL(handle, alSource3i);
qalSourceiv = ALSYMBOL(handle, alSourceiv);
qalGetSourcef = ALSYMBOL(handle, alGetSourcef);
qalGetSource3f = ALSYMBOL(handle, alGetSource3f);
qalGetSourcefv = ALSYMBOL(handle, alGetSourcefv);
qalGetSourcei = ALSYMBOL(handle, alGetSourcei);
qalGetSource3i = ALSYMBOL(handle, alGetSource3i);
qalGetSourceiv = ALSYMBOL(handle, alGetSourceiv);
qalSourcePlayv = ALSYMBOL(handle, alSourcePlayv);
qalSourceStopv = ALSYMBOL(handle, alSourceStopv);
qalSourceRewindv = ALSYMBOL(handle, alSourceRewindv);
qalSourcePausev = ALSYMBOL(handle, alSourcePausev);
qalSourcePlay = ALSYMBOL(handle, alSourcePlay);
qalSourceStop = ALSYMBOL(handle, alSourceStop);
qalSourceRewind = ALSYMBOL(handle, alSourceRewind);
qalSourcePause = ALSYMBOL(handle, alSourcePause);
qalSourceQueueBuffers = ALSYMBOL(handle, alSourceQueueBuffers);
qalSourceUnqueueBuffers = ALSYMBOL(handle, alSourceUnqueueBuffers);
qalGenBuffers = ALSYMBOL(handle, alGenBuffers);
qalDeleteBuffers = ALSYMBOL(handle, alDeleteBuffers);
qalIsBuffer = ALSYMBOL(handle, alIsBuffer);
qalBufferData = ALSYMBOL(handle, alBufferData);
qalBufferf = ALSYMBOL(handle, alBufferf);
qalBuffer3f = ALSYMBOL(handle, alBuffer3f);
qalBufferfv = ALSYMBOL(handle, alBufferfv);
qalBufferi = ALSYMBOL(handle, alBufferi);
qalBuffer3i = ALSYMBOL(handle, alBuffer3i);
qalBufferiv = ALSYMBOL(handle, alBufferiv);
qalGetBufferf = ALSYMBOL(handle, alGetBufferf);
qalGetBuffer3f = ALSYMBOL(handle, alGetBuffer3f);
qalGetBufferfv = ALSYMBOL(handle, alGetBufferfv);
qalGetBufferi = ALSYMBOL(handle, alGetBufferi);
qalGetBuffer3i = ALSYMBOL(handle, alGetBuffer3i);
qalGetBufferiv = ALSYMBOL(handle, alGetBufferiv);
qalDopplerFactor = ALSYMBOL(handle, alDopplerFactor);
qalDopplerVelocity = ALSYMBOL(handle, alDopplerVelocity);
qalSpeedOfSound = ALSYMBOL(handle, alSpeedOfSound);
qalDistanceModel = ALSYMBOL(handle, alDistanceModel);
/* Open the OpenAL device */
Com_Printf("...opening OpenAL device:");
device = qalcOpenDevice(al_device->string[0] ? al_device->string : NULL);
if(!device)
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
Com_Printf("ok\n");
/* Create the OpenAL context */
Com_Printf("...creating OpenAL context: ");
context = qalcCreateContext(device, NULL);
if(!context)
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
Com_Printf("ok\n");
/* Set the created context as current context */
Com_Printf("...making context current: ");
if (!qalcMakeContextCurrent(context))
{
Com_DPrintf("failed\n");
QAL_Shutdown();
return false;
}
if (qalcIsExtensionPresent(device, "ALC_EXT_EFX") != AL_FALSE) {
qalGenFilters = qalGetProcAddress("alGenFilters");
qalFilteri = qalGetProcAddress("alFilteri");
qalFilterf = qalGetProcAddress("alFilterf");
qalDeleteFilters = qalGetProcAddress("alDeleteFilters");
} else {
qalGenFilters = NULL;
qalFilteri = NULL;
qalFilterf = NULL;
qalDeleteFilters = NULL;
}
Com_Printf("ok\n");
/* Print OpenAL informations */
Com_Printf("\n");
QAL_SoundInfo();
Com_Printf("\n");
return true;
}
/*
=======================================================================================================================================
QAL_Init
=======================================================================================================================================
*/
qboolean QAL_Init(const char *libname) {
if (OpenALLib) {
return qtrue;
}
if (!(OpenALLib = Sys_LoadDll(libname, qtrue)))
return qfalse;
alinit_fail = qfalse;
qalEnable = GPA("alEnable");
qalDisable = GPA("alDisable");
qalIsEnabled = GPA("alIsEnabled");
qalGetString = GPA("alGetString");
qalGetBooleanv = GPA("alGetBooleanv");
qalGetIntegerv = GPA("alGetIntegerv");
qalGetFloatv = GPA("alGetFloatv");
qalGetDoublev = GPA("alGetDoublev");
qalGetBoolean = GPA("alGetBoolean");
qalGetInteger = GPA("alGetInteger");
qalGetFloat = GPA("alGetFloat");
qalGetDouble = GPA("alGetDouble");
qalGetError = GPA("alGetError");
qalIsExtensionPresent = GPA("alIsExtensionPresent");
qalGetProcAddress = GPA("alGetProcAddress");
qalGetEnumValue = GPA("alGetEnumValue");
qalListenerf = GPA("alListenerf");
qalListener3f = GPA("alListener3f");
qalListenerfv = GPA("alListenerfv");
qalListeneri = GPA("alListeneri");
qalGetListenerf = GPA("alGetListenerf");
qalGetListener3f = GPA("alGetListener3f");
qalGetListenerfv = GPA("alGetListenerfv");
qalGetListeneri = GPA("alGetListeneri");
qalGenSources = GPA("alGenSources");
qalDeleteSources = GPA("alDeleteSources");
qalIsSource = GPA("alIsSource");
qalSourcef = GPA("alSourcef");
qalSource3f = GPA("alSource3f");
qalSourcefv = GPA("alSourcefv");
qalSourcei = GPA("alSourcei");
qalGetSourcef = GPA("alGetSourcef");
qalGetSource3f = GPA("alGetSource3f");
qalGetSourcefv = GPA("alGetSourcefv");
qalGetSourcei = GPA("alGetSourcei");
qalSourcePlayv = GPA("alSourcePlayv");
qalSourceStopv = GPA("alSourceStopv");
qalSourceRewindv = GPA("alSourceRewindv");
qalSourcePausev = GPA("alSourcePausev");
qalSourcePlay = GPA("alSourcePlay");
qalSourceStop = GPA("alSourceStop");
qalSourceRewind = GPA("alSourceRewind");
qalSourcePause = GPA("alSourcePause");
qalSourceQueueBuffers = GPA("alSourceQueueBuffers");
qalSourceUnqueueBuffers = GPA("alSourceUnqueueBuffers");
qalGenBuffers = GPA("alGenBuffers");
qalDeleteBuffers = GPA("alDeleteBuffers");
qalIsBuffer = GPA("alIsBuffer");
qalBufferData = GPA("alBufferData");
qalGetBufferf = GPA("alGetBufferf");
qalGetBufferi = GPA("alGetBufferi");
qalDopplerFactor = GPA("alDopplerFactor");
qalSpeedOfSound = GPA("alSpeedOfSound");
qalDistanceModel = GPA("alDistanceModel");
qalcCreateContext = GPA("alcCreateContext");
qalcMakeContextCurrent = GPA("alcMakeContextCurrent");
qalcProcessContext = GPA("alcProcessContext");
qalcSuspendContext = GPA("alcSuspendContext");
qalcDestroyContext = GPA("alcDestroyContext");
qalcGetCurrentContext = GPA("alcGetCurrentContext");
qalcGetContextsDevice = GPA("alcGetContextsDevice");
qalcOpenDevice = GPA("alcOpenDevice");
qalcCloseDevice = GPA("alcCloseDevice");
qalcGetError = GPA("alcGetError");
qalcIsExtensionPresent = GPA("alcIsExtensionPresent");
qalcGetProcAddress = GPA("alcGetProcAddress");
qalcGetEnumValue = GPA("alcGetEnumValue");
qalcGetString = GPA("alcGetString");
qalcGetIntegerv = GPA("alcGetIntegerv");
qalcCaptureOpenDevice = GPA("alcCaptureOpenDevice");
qalcCaptureCloseDevice = GPA("alcCaptureCloseDevice");
qalcCaptureStart = GPA("alcCaptureStart");
qalcCaptureStop = GPA("alcCaptureStop");
qalcCaptureSamples = GPA("alcCaptureSamples");
if (alinit_fail) {
QAL_Shutdown();
Com_Printf(" One or more symbols not found\n");
return qfalse;
}
return qtrue;
}
/*
=================
QAL_Init
=================
*/
qboolean QAL_Init(const char *libname)
{
if(OpenALLib)
return qtrue;
Com_Printf( "Loading \"%s\"...\n", libname);
if( (OpenALLib = Sys_LoadLibrary(libname)) == 0 )
{
#ifdef _WIN32
return qfalse;
#else
char fn[1024];
Q_strncpyz( fn, Sys_Cwd( ), sizeof( fn ) );
strncat(fn, "/", sizeof(fn) - strlen(fn) - 1);
strncat(fn, libname, sizeof(fn) - strlen(fn) - 1);
if( (OpenALLib = Sys_LoadLibrary(fn)) == 0 )
{
return qfalse;
}
#endif
}
alinit_fail = qfalse;
qalEnable = GPA("alEnable");
qalDisable = GPA("alDisable");
qalIsEnabled = GPA("alIsEnabled");
qalGetString = GPA("alGetString");
qalGetBooleanv = GPA("alGetBooleanv");
qalGetIntegerv = GPA("alGetIntegerv");
qalGetFloatv = GPA("alGetFloatv");
qalGetDoublev = GPA("alGetDoublev");
qalGetBoolean = GPA("alGetBoolean");
qalGetInteger = GPA("alGetInteger");
qalGetFloat = GPA("alGetFloat");
qalGetDouble = GPA("alGetDouble");
qalGetError = GPA("alGetError");
qalIsExtensionPresent = GPA("alIsExtensionPresent");
qalGetProcAddress = GPA("alGetProcAddress");
qalGetEnumValue = GPA("alGetEnumValue");
qalListenerf = GPA("alListenerf");
qalListener3f = GPA("alListener3f");
qalListenerfv = GPA("alListenerfv");
qalListeneri = GPA("alListeneri");
qalGetListenerf = GPA("alGetListenerf");
qalGetListener3f = GPA("alGetListener3f");
qalGetListenerfv = GPA("alGetListenerfv");
qalGetListeneri = GPA("alGetListeneri");
qalGenSources = GPA("alGenSources");
qalDeleteSources = GPA("alDeleteSources");
qalIsSource = GPA("alIsSource");
qalSourcef = GPA("alSourcef");
qalSource3f = GPA("alSource3f");
qalSourcefv = GPA("alSourcefv");
qalSourcei = GPA("alSourcei");
qalGetSourcef = GPA("alGetSourcef");
qalGetSource3f = GPA("alGetSource3f");
qalGetSourcefv = GPA("alGetSourcefv");
qalGetSourcei = GPA("alGetSourcei");
qalSourcePlayv = GPA("alSourcePlayv");
qalSourceStopv = GPA("alSourceStopv");
qalSourceRewindv = GPA("alSourceRewindv");
qalSourcePausev = GPA("alSourcePausev");
qalSourcePlay = GPA("alSourcePlay");
qalSourceStop = GPA("alSourceStop");
qalSourceRewind = GPA("alSourceRewind");
qalSourcePause = GPA("alSourcePause");
qalSourceQueueBuffers = GPA("alSourceQueueBuffers");
qalSourceUnqueueBuffers = GPA("alSourceUnqueueBuffers");
qalGenBuffers = GPA("alGenBuffers");
qalDeleteBuffers = GPA("alDeleteBuffers");
qalIsBuffer = GPA("alIsBuffer");
qalBufferData = GPA("alBufferData");
qalGetBufferf = GPA("alGetBufferf");
qalGetBufferi = GPA("alGetBufferi");
qalDopplerFactor = GPA("alDopplerFactor");
qalDopplerVelocity = GPA("alDopplerVelocity");
qalDistanceModel = GPA("alDistanceModel");
qalcCreateContext = GPA("alcCreateContext");
qalcMakeContextCurrent = GPA("alcMakeContextCurrent");
qalcProcessContext = GPA("alcProcessContext");
qalcSuspendContext = GPA("alcSuspendContext");
qalcDestroyContext = GPA("alcDestroyContext");
qalcGetCurrentContext = GPA("alcGetCurrentContext");
qalcGetContextsDevice = GPA("alcGetContextsDevice");
qalcOpenDevice = GPA("alcOpenDevice");
qalcCloseDevice = GPA("alcCloseDevice");
qalcGetError = GPA("alcGetError");
qalcIsExtensionPresent = GPA("alcIsExtensionPresent");
qalcGetProcAddress = GPA("alcGetProcAddress");
qalcGetEnumValue = GPA("alcGetEnumValue");
qalcGetString = GPA("alcGetString");
qalcGetIntegerv = GPA("alcGetIntegerv");
qalcCaptureOpenDevice = GPA("alcCaptureOpenDevice");
qalcCaptureCloseDevice = GPA("alcCaptureCloseDevice");
qalcCaptureStart = GPA("alcCaptureStart");
qalcCaptureStop = GPA("alcCaptureStop");
qalcCaptureSamples = GPA("alcCaptureSamples");
if(alinit_fail)
{
QAL_Shutdown();
Com_Printf( " One or more symbols not found\n");
return qfalse;
}
return qtrue;
}
/*
=================
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
}