示例#1
0
文件: qal.c 项目: jayschwa/q2pro
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;
}
示例#2
0
文件: qal_api.c 项目: Bad-ptr/q2pro
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;
}
示例#3
0
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
}
示例#5
0
文件: snd_al.c 项目: ewirch/qfusion
/*
* S_Init
*/
static qboolean S_Init( void *hwnd, int maxEntities, qboolean verbose )
{
	int numDevices;
	int userDeviceNum = -1;
	char *devices, *defaultDevice;
	cvar_t *s_openAL_device;

	alDevice = NULL;
	alContext = NULL;

	// get system default device identifier
	defaultDevice = ( char * )qalcGetString( NULL, ALC_DEFAULT_DEVICE_SPECIFIER );
	if( !defaultDevice )
	{
		Com_Printf( "Failed to get openAL default device\n" );
		return qfalse;
	}

	s_openAL_device = trap_Cvar_Get( "s_openAL_device", ALDEVICE_DEFAULT ? ALDEVICE_DEFAULT : defaultDevice, CVAR_ARCHIVE|CVAR_LATCH_SOUND );

	devices = ( char * )qalcGetString( NULL, ALC_DEVICE_SPECIFIER );
	for( numDevices = 0; *devices; devices += strlen( devices ) + 1, numDevices++ )
	{
		if( !Q_stricmp( s_openAL_device->string, devices ) )
		{
			userDeviceNum = numDevices;

			// force case sensitive
			if( strcmp( s_openAL_device->string, devices ) )
				trap_Cvar_ForceSet( "s_openAL_device", devices );
		}
	}

	if( !numDevices )
	{
		Com_Printf( "Failed to get openAL devices\n" );
		return qfalse;
	}

	// the device assigned by the user is not available
	if( userDeviceNum == -1 )
	{
		Com_Printf( "'s_openAL_device': incorrect device name, reseting to default\n" );

		trap_Cvar_ForceSet( "s_openAL_device", ALDEVICE_DEFAULT ? ALDEVICE_DEFAULT : defaultDevice );

		devices = ( char * )qalcGetString( NULL, ALC_DEVICE_SPECIFIER );
		for( numDevices = 0; *devices; devices += strlen( devices ) + 1, numDevices++ )
		{
			if( !Q_stricmp( s_openAL_device->string, devices ) )
				userDeviceNum = numDevices;
		}

		if( userDeviceNum == -1 )
			trap_Cvar_ForceSet( "s_openAL_device", defaultDevice );
	}

	alDevice = qalcOpenDevice( (const ALchar *)s_openAL_device->string );
	if( !alDevice )
	{
		Com_Printf( "Failed to open device\n" );
		return qfalse;
	}

	// Create context
	alContext = qalcCreateContext( alDevice, NULL );
	if( !alContext )
	{
		Com_Printf( "Failed to create context\n" );
		return qfalse;
	}
	qalcMakeContextCurrent( alContext );

	if( verbose )
	{
		Com_Printf( "OpenAL initialized\n" );

		if( numDevices )
		{
			int i;

			Com_Printf( "  Devices:    " );

			devices = ( char * )qalcGetString( NULL, ALC_DEVICE_SPECIFIER );
			for( i = 0; *devices; devices += strlen( devices ) + 1, i++ )
				Com_Printf( "%s%s", devices, ( i < numDevices - 1 ) ? ", " : "" );
			Com_Printf( "\n" );

			if( defaultDevice && *defaultDevice )
				Com_Printf( "  Default system device: %s\n", defaultDevice );

			Com_Printf( "\n" );
		}

		Com_Printf( "  Device:     %s\n", qalcGetString( alDevice, ALC_DEVICE_SPECIFIER ) );
		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 ) );
	}

	// Check for Linux shutdown race condition
	if( !Q_stricmp( qalGetString( AL_VENDOR ), "J. Valenzuela" ) )
		snd_shutdown_bug = qtrue;

	qalDopplerFactor( s_doppler->value );
	qalDopplerVelocity( s_sound_velocity->value > 0.0f ? s_sound_velocity->value : 0.0f );
	if( qalSpeedOfSound ) // opelAL 1.1 only. alDopplerVelocity being deprecated
		qalSpeedOfSound( s_sound_velocity->value > 0.0f ? s_sound_velocity->value : 0.0f );

	s_doppler->modified = qfalse;

	S_SetAttenuationModel( S_DEFAULT_ATTENUATION_MODEL, S_DEFAULT_ATTENUATION_MAXDISTANCE, S_DEFAULT_ATTENUATION_REFDISTANCE );

	S_LockBackgroundTrack( qfalse );

	if( !S_InitDecoders( verbose ) )
	{
		Com_Printf( "Failed to init decoders\n" );
		return qfalse;
	}
	if( !S_InitSources( maxEntities, verbose ) )
	{
		Com_Printf( "Failed to init sources\n" );
		return qfalse;
	}

	return qtrue;
}
示例#6
0
/*
=================
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
}
示例#7
0
文件: snd_qal.c 项目: raynorpat/cake
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;
}
示例#8
0
/*
* S_Init
*/
qboolean S_Init( void *hwnd, int maxEntities, qboolean verbose )
{
	int numDevices;
	int userDeviceNum = -1;
	char *devices, *defaultDevice;

	soundpool = S_MemAllocPool( "OpenAL sound module" );

	alDevice = NULL;
	alContext = NULL;

#ifdef OPENAL_RUNTIME
	if( !QAL_Init( ALDRIVER, verbose ) )
	{
#ifdef ALDRIVER_ALT
		if( !QAL_Init( ALDRIVER_ALT, verbose ) )
#endif
		{
			Com_Printf( "Failed to load OpenAL library: %s\n", ALDRIVER );
			goto fail_no_device;
		}
	}
#endif

	// get system default device identifier
	defaultDevice = ( char * )qalcGetString( NULL, ALC_DEFAULT_DEVICE_SPECIFIER );
	if( !defaultDevice )
	{
		Com_Printf( "Failed to get openAL default device\n" );
		goto fail_no_device;
	}

	s_openAL_device = trap_Cvar_Get( "s_openAL_device", ALDEVICE_DEFAULT ? ALDEVICE_DEFAULT : defaultDevice, CVAR_ARCHIVE|CVAR_LATCH_SOUND );

	devices = ( char * )qalcGetString( NULL, ALC_DEVICE_SPECIFIER );
	for( numDevices = 0; *devices; devices += strlen( devices ) + 1, numDevices++ )
	{
		if( !Q_stricmp( s_openAL_device->string, devices ) )
		{
			userDeviceNum = numDevices;

			// force case sensitive
			if( strcmp( s_openAL_device->string, devices ) )
				trap_Cvar_ForceSet( "s_openAL_device", devices );
		}
	}

	if( !numDevices )
	{
		Com_Printf( "Failed to get openAL devices\n" );
		goto fail_no_device;
	}

	// the device assigned by the user is not available
	if( userDeviceNum == -1 )
	{
		Com_Printf( "'s_openAL_device': incorrect device name, reseting to default\n" );

		trap_Cvar_ForceSet( "s_openAL_device", ALDEVICE_DEFAULT ? ALDEVICE_DEFAULT : defaultDevice );

		devices = ( char * )qalcGetString( NULL, ALC_DEVICE_SPECIFIER );
		for( numDevices = 0; *devices; devices += strlen( devices ) + 1, numDevices++ )
		{
			if( !Q_stricmp( s_openAL_device->string, devices ) )
				userDeviceNum = numDevices;
		}

		if( userDeviceNum == -1 )
			trap_Cvar_ForceSet( "s_openAL_device", defaultDevice );
	}

	alDevice = qalcOpenDevice( (const ALchar *)s_openAL_device->string );
	if( !alDevice )
	{
		Com_Printf( "Failed to open device\n" );
		goto fail_no_device;
	}

	// Create context
	alContext = qalcCreateContext( alDevice, NULL );
	if( !alContext )
	{
		Com_Printf( "Failed to create context\n" );
		goto fail;
	}
	qalcMakeContextCurrent( alContext );

	if( verbose )
	{
		Com_Printf( "OpenAL initialized\n" );

		if( numDevices )
		{
			int i;

			Com_Printf( "  Devices:    " );

			devices = ( char * )qalcGetString( NULL, ALC_DEVICE_SPECIFIER );
			for( i = 0; *devices; devices += strlen( devices ) + 1, i++ )
				Com_Printf( "%s%s", devices, ( i < numDevices - 1 ) ? ", " : "" );
			Com_Printf( "\n" );

			if( defaultDevice && *defaultDevice )
				Com_Printf( "  Default system device: %s\n", defaultDevice );

			Com_Printf( "\n" );
		}

		Com_Printf( "  Device:     %s\n", qalcGetString( alDevice, ALC_DEVICE_SPECIFIER ) );
		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 ) );
	}

	// Check for Linux shutdown race condition
	if( !Q_stricmp( qalGetString( AL_VENDOR ), "J. Valenzuela" ) )
		snd_shutdown_bug = qtrue;

	s_volume = trap_Cvar_Get( "s_volume", "0.8", CVAR_ARCHIVE );
	s_musicvolume = trap_Cvar_Get( "s_musicvolume", "0.5", CVAR_ARCHIVE );
	s_doppler = trap_Cvar_Get( "s_doppler", "1.0", CVAR_ARCHIVE );
	s_sound_velocity = trap_Cvar_Get( "s_sound_velocity", "10976", CVAR_DEVELOPER );
	s_stereo2mono = trap_Cvar_Get ( "s_stereo2mono", "0", CVAR_ARCHIVE );

	qalDopplerFactor( s_doppler->value );
	qalDopplerVelocity( s_sound_velocity->value > 0.0f ? s_sound_velocity->value : 0.0f );
	if( qalSpeedOfSound ) // opelAL 1.1 only. alDopplerVelocity being deprecated
		qalSpeedOfSound( s_sound_velocity->value > 0.0f ? s_sound_velocity->value : 0.0f );

	s_doppler->modified = qfalse;

	S_SetAttenuationModel( S_DEFAULT_ATTENUATION_MODEL, S_DEFAULT_ATTENUATION_MAXDISTANCE, S_DEFAULT_ATTENUATION_REFDISTANCE );

	S_LockBackgroundTrack( qfalse );

	if( !S_InitDecoders( verbose ) )
	{
		Com_Printf( "Failed to init decoders\n" );
		goto fail;
	}
	if( !S_InitBuffers() )
	{
		Com_Printf( "Failed to init buffers\n" );
		goto fail;
	}
	if( !S_InitSources( maxEntities, verbose ) )
	{
		Com_Printf( "Failed to init sources\n" );
		goto fail;
	}

#ifdef ENABLE_PLAY
	trap_Cmd_AddCommand( "play", S_Play );
#endif
	trap_Cmd_AddCommand( "music", S_Music );
	trap_Cmd_AddCommand( "stopmusic", S_StopMusic );
	trap_Cmd_AddCommand( "prevmusic", S_PrevMusic );
	trap_Cmd_AddCommand( "nextmusic", S_NextMusic );
	trap_Cmd_AddCommand( "pausemusic", S_PauseMusic );
	trap_Cmd_AddCommand( "soundlist", S_SoundList );
	trap_Cmd_AddCommand( "s_devices", S_ListDevices );

	return qtrue;

fail:
	if( alContext )
	{
		if( !snd_shutdown_bug )
			qalcMakeContextCurrent( NULL );

		qalcDestroyContext( alContext );
		alContext = NULL;
	}

	if( alDevice )
	{
		qalcCloseDevice( alDevice );
		alDevice = NULL;
	}

fail_no_device:
	S_MemFreePool( &soundpool );
	return qfalse;
}