BlitzMax/Modules/Audio/OpenAL 1.1

Constants AL constantsDescription AL_INVALIDAL_NONEbad value AL_FALSEBoolean False. AL_TRUEBoolean True. AL_SOURCE_RELATIVEIndicate Source has relative coordinates. AL_CONE_INNER_ANGLEDirectional source, inner cone angle, in degrees.Range: [0-360] Default: 360 AL_CONE_OUTER_ANGLEDirectional source, outer cone angle, in degrees.Range: [0-360] Default: 360 AL_PITCHSpecify the pitch to be applied, either at source, or on mixer results, at listener.Range: [0.5-2.0]Default: 1.0 AL_POSITIONSpecify the current location in three dimensional space.OpenAL, like OpenGL, uses a right handed coordinate system, where in a frontal default view X (thumb) points right, Y points up (index finger), and Z points towards the viewer/camera (middle finger). To switch from a left handed coordinate system, flip the sign on the Z coordinate.Listener position is always in the world coordinate system. AL_DIRECTIONSpecify the current direction. AL_VELOCITYSpecify the current velocity in three dimensional space. AL_LOOPINGIndicate whether source is looping.Type: ALboolean?Range: [AL_TRUE, AL_FALSE]Default: FALSE. AL_BUFFERIndicate the buffer to provide sound samples. Type: ALuint.Range: any valid Buffer id. AL_GAINIndicate the gain (volume amplification) applied. Type: ALfloat.Range: ]0.0- ]A value of 1.0 means un-attenuated/unchanged.Each division by 2 equals an attenuation of -6dB.Each multiplicaton with 2 equals an amplification of +6dB.A value of 0.0 is meaningless with respect to a logarithmic scale; it is interpreted as zero volume - the channel is effectively disabled. AL_MIN_GAINIndicate minimum source attenuationType: ALfloatRange: [0.0 - 1.0] AL_MAX_GAINIndicate maximum source attenuationType: ALfloatRange: [0.0 - 1.0] AL_ORIENTATIONIndicate listener orientation. AL_CHANNEL_MASKSpecify the channel mask. (Creative)Type: ALuintRange: [0 - 255] AL_SOURCE_STATEAL_INITIALAL_PLAYINGAL_PAUSEDAL_STOPPEDSource state information. AL_BUFFERS_QUEUEDAL_BUFFERS_PROCESSEDBuffer Queue params AL_SEC_OFFSETAL_SAMPLE_OFFSETAL_BYTE_OFFSETSource buffer position information AL_SOURCE_TYPESource type (Static, Streaming or undetermined) AL_STATICSource is Static if a Buffer has been attached using AL_BUFFER AL_STREAMINGSource is Streaming if one or more Buffers have been attached using alSourceQueueBuffers AL_UNDETERMINEDSource is undetermined when it has the NULL buffer attached AL_FORMAT_MONO8AL_FORMAT_STEREO8AL_FORMAT_MONO16AL_FORMAT_STEREO16Sound samples: format specifier. AL_REFERENCE_DISTANCEsource specific reference distanceType: ALfloatRange: 0.0 - +inf at 0.0, no distance attenuation occurs. Default is 1.0. AL_ROLLOFF_FACTORsource specific rolloff factorType: ALfloatRange: 0.0 - +inf AL_CONE_OUTER_GAINDirectional source, outer cone gain.Default: 0.0Range: [0.0 - 1.0] AL_MAX_DISTANCEIndicate distance above which sources are not attenuated using the inverse clamped distance model.Default: +infType: ALfloat AL_FREQUENCYAL_BITSAL_CHANNELSAL_SIZEfrequency, in units of Hertz [Hz].This is the number of samples per second. Half of the sample frequency marks the maximum significant frequency component. AL_UNUSEDAL_PENDINGAL_PROCESSEDBuffer state.not supported for public use (yet). AL_NO_ERRORNo Error AL_INVALID_NAMEInvalid Name paramater passed to AL call. AL_ILLEGAL_ENUMAL_INVALID_ENUMInvalid parameter passed to AL call. AL_INVALID_VALUEInvalid enum parameter value. AL_ILLEGAL_COMMANDAL_INVALID_OPERATIONIllegal call. AL_OUT_OF_MEMORYNo mojo. AL_VENDORAL_VERSIONAL_RENDERERAL_EXTENSIONSContext strings: Vendor Name. AL_DOPPLER_FACTORDoppler scale. Default 1.0 AL_DOPPLER_VELOCITYTweaks speed of propagation. AL_SPEED_OF_SOUNDSpeed of Sound in units per second AL_DISTANCE_MODELAL_INVERSE_DISTANCEAL_INVERSE_DISTANCE_CLAMPEDAL_LINEAR_DISTANCEAL_LINEAR_DISTANCE_CLAMPEDAL_EXPONENT_DISTANCEAL_EXPONENT_DISTANCE_CLAMPEDDistance models used in conjunction with DistanceModel implicit: NONE, which disances distance attenuation. ALC constantsDescription ALC_FALSEFalse ALC_TRUETrue ALC_FREQUENCYFrequency for mixing output buffer, in units of Hz ALC_REFRESHRefresh intervals, in units of Hz ALC_SYNCFlag, indicating a synchronous context ALC_MONO_SOURCESA hint indicating how many sources should be capable of supporting mono data ALC_STEREO_SOURCESA hint indicating how many sources should be capable of supporting stereo data ALC_NO_ERRORThere is no current error. ALC_INVALID_DEVICEThe device handle or specifier names an accessible driver/server ALC_INVALID_CONTEXTThe Context argument does not name a valid context. ALC_INVALID_ENUMA token used is not valid, or not applicable. ALC_INVALID_VALUEA value (e.g. Attribute) is not valid, or not applicable. ALC_OUT_OF_MEMORYUnable to allocate memory. ALC_DEFAULT_DEVICE_SPECIFIERThe specifier string for the default device ALC_DEVICE_SPECIFIERThe specifier string for the device ALC_EXTENSIONSA list of available context extensions separated by spaces. ALC_MAJOR_VERSIONThe specification revision for this implementation (major version). NULL is an acceptable device. ALC_MINOR_VERSIONThe specification revision for this implementation (minor version). NULL is an acceptable device. ALC_ATTRIBUTES_SIZEThe size (number of ALCint values) required for a zero-terminated attributes list, for the current context. NULL is an invalid device. ALC_ALL_ATTRIBUTESExpects a destination of ALC_ATTRIBUTES_SIZE, and provides an attribute list for the current context of the specified device. NULL is an invalid device. ALC_CAPTURE_DEVICE_SPECIFIERThe name of the specified capture device, or a list of all available capture devices if no capture device is specified. ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIERThe name of the default capture device ALC_CAPTURE_SAMPLESThe number of capture samples available. NULL is an invalid device. Functions OpenALInstalled Function OpenALInstalled() Description: Check if OpenAL is installed. Returns: True if OpenAL is installed. Information: This function allows you to determine whether OpenAL is installed on the current machine. Globals alcOpenDevice Global alcOpenDevice( devicename$z ) Description: This function opens a device by name. Information: ParametersDescription devicenamea null-terminated string describing a device The return value will be NULL if there is an error. Returns a pointer to the opened device. Will return NULL if a device can not be opened. alcCloseDevice Global alcCloseDevice( device ) Description: This function closes a device by name. Information: ParametersDescription devicea pointer to an opened device Possible Error StatesDescription ALC_INVALID_DEVICEThe specified device name doesn't exist. Any contexts and buffers within the device will be destroyed when the device is closed, and ALC_TRUE will be returned on success or ALC_FALSE on failure. alcGetError Global alcGetError( device ) Description: This function retrieves the current context error state. Information: ParametersDescription devicea pointer to the device to retrieve the error state from alcGetString Global alcGetString:Byte Ptr( device,param ) Description: This function returns pointers to strings related to the context. Information: ParametersDescription devicea pointer to the device to be queried paraman attribute to be retrieved:ALC_DEFAULT_DEVICE_SPECIFIERALC_CAPTURE_DEFAULT_DEVICE_SPECIFIERALC_DEVICE_SPECIFIERALC_CAPTURE_DEVICE_SPECIFIERALC_EXTENSIONS Possible Error StatesDescription ALC_INVALID_ENUMThe specified parameter is not valid. ALC_DEFAULT_DEVICE_SPECIFIER will return the name of the default output device. ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER will return the name of the default capture device. ALC_DEVICE_SPECIFIER will return the name of the specified output device if a pointer is supplied, or will return a list of all available devices if a NULL device pointer is supplied. A list is a pointer to a series of strings separated by NULL characters, with the list terminated by two NULL characters. ALC_CAPTURE_DEVICE_SPECIFIER will return the name of the specified capture device if a pointer is supplied, or will return a list of all available devices if a NULL device pointer is supplied. ALC_EXTENSIONS returns a list of available context extensions, with each extension separated by a space and the list terminated by a NULL character. alcGetIntegerv Global alcGetIntegerv( device,param,size,data:Int Ptr ) Description: This function returns integers related to the context. Information: ParametersDescription devicea pointer to the device to be queried paraman attribute to be retrieved:ALC_MAJOR_VERSIONALC_MINOR_VERSIONALC_ATTRIBUTES_SIZEALC_ALL_ATTRIBUTES sizethe size of the destination buffer provided dataa pointer to the data to be returned Possible Error StatesDescription ALC_INVALID_VALUEThe specified data pointer or size is not valid. ALC_INVALID_ENUMThe specified parameter is not valid. ALC_INVALID_DEVICEThe specified device is not valid. ALC_INVALID_CONTEXTThe specified context is not valid. The versions returned refer to the specification version that the implementation meets. alcCreateContext Global alcCreateContext( device,attrlist:Int Ptr ) Description: This function creates a context using a specified device. Information: ParametersDescription devicea pointer to a device attrlista pointer to a set of attributes:ALC_FREQUENCYALC_REFRESHALC_SYNC Possible Error StatesDescription ALC_INVALID_VALUEAn additional context can not be created for this device. ALC_INVALID_DEVICEThe specified device is not a valid output device. Returns: A pointer to the new context (NULL on failure). alcMakeContextCurrent Global alcMakeContextCurrent( context ) Description: This function makes a specified context the current context. Information: ParametersDescription contexta pointer to the new context Possible Error StatesDescription ALC_INVALID_CONTEXTThe specified context is invalid. Returns ALC_TRUE on success, or ALC_FALSE on failure. alcProcessContext Global alcProcessContext( context ) Description: This function tells a context to begin processing. Information: ParametersDescription contexta pointer to the new context Possible Error StatesDescription ALC_INVALID_CONTEXTThe specified context is invalid. When a context is suspended, changes in OpenAL state will be accepted but will not be processed. alcSuspendContext can be used to suspend a context, and then all the OpenAL state changes can be applied at once, followed by a call to alcProcessContext to apply all the state changes immediately. In some cases, this procedure may be more efficient than application of properties in a non-suspended state. In some implementations, process and suspend calls are each a NOP. alcSuspendContext Global alcSuspendContext( context ) Description: This function suspends processing on a specified context. Information: ParametersDescription contexta pointer to the context to be suspended Possible Error StatesDescription ALC_INVALID_CONTEXTThe specified context is invalid. When a context is suspended, changes in OpenAL state will be accepted but will not be processed. A typical use of alcSuspendContext would be to suspend a context, apply all the OpenAL state changes at once, and then call alcProcessContext to apply all the state changes at once. In some cases, this procedure may be more efficient than application of properties in a non-suspended state. In some implementations, process and suspend calls are each a NOP. alcDestroyContext Global alcDestroyContext( context ) Description: This function destroys a context. Information: ParametersDescription contexta pointer to the new context Possible Error StatesDescription ALC_INVALID_CONTEXTThe specified context is invalid. A context which is not current can be destroyed at any time (all sources within that context will also be deleted - buffers are not affected). alcMakeContextCurrent should be used to make sure the context to be destroyed is not current (NULL is valid for alcMakeContextCurrent). alcGetCurrentContext Global alcGetCurrentContext() Description: This function retrieves the current context. Returns: a pointer to the current context. alcGetContextsDevice Global alcGetContextsDevice( context ) Description: This function retrieves a context's device pointer. Information: ParametersDescription contexta pointer to a context Possible Error StatesDescription ALC_INVALID_CONTEXTThe specified context is invalid. Returns: a pointer to the specified context's device. alcIsExtensionPresent Global alcIsExtensionPresent( device,extName$z ) Description: This function queries if a specified context extension is available. Information: ParametersDescription devicea pointer to the device to be queried for an extension extNamea null-terminated string describing the extension Possible Error StatesDescription ALC_INVALID_VALUEThe string pointer is not valid. Returns ALC_TRUE if the extension is available, ALC_FALSE if the extension is not available. alcGetProcAddress Global alcGetProcAddress:Byte Ptr( device,funcName$z ) Description: This function retrieves the address of a specified context extension function. Information: ParametersDescription devicea pointer to the device to be queried for the function funcNamea null-terminated string describing the function Possible Error StatesDescription ALC_INVALID_VALUEThe string pointer is not valid. Returns the address of the function, or NULL if it is not found. alcGetEnumValue Global alcGetEnumValue( device,enumName$z ) Description: This function retrieves the enum value for a specified enumeration name. Information: ParametersDescription devicea pointer to the device to be queried enumNamea null terminated string describing the enum value Possible Error StatesDescription ALC_INVALID_VALUEThe string pointer is not valid. Returns the enum value described by the enumName string. This is most often used for querying an enum value for an ALC extension. alcCaptureOpenDevice Global alcCaptureOpenDevice( devicename$z,frequency,format,buffersize ) Description: This function opens a capture device by name. Information: ParametersDescription devicenamea pointer to a device name string frequencythe frequency that the data should be captured at formatthe requested capture buffer format buffersizethe size of the capture buffer Possible Error StatesDescription ALC_INVALID_VALUEOne of the parameters has an invalid value. ALC_OUT_OF_MEMORYThe specified device is invalid, or can not capture audio. Returns the capture device pointer, or NULL on failure. alcCaptureCloseDevice Global alcCaptureCloseDevice( device ) Description: This function closes the specified capture device. Information: ParametersDescription devicea pointer to a capture device Possible Error StatesDescription ALC_INVALID_DEVICEThe specified device is not a valid capture device. Returns ALC_TRUE if the close operation was successful, ALC_FALSE on failure. alcCaptureStart Global alcCaptureStart( device ) Description: This function begins a capture operation. Information: ParametersDescription devicea pointer to a capture device Possible Error StatesDescription ALC_INVALID_DEVICEThe specified device is not a valid capture device. alcCaptureStart will begin recording to an internal ring buffer of the size specified when opening the capture device. The application can then retrieve the number of samples currently available using the ALC_CAPTURE_SAPMPLES token with alcGetIntegerv. When the application determines that enough samples are available for processing, then it can obtain them with a call to alcCaptureSamples. alcCaptureStop Global alcCaptureStop( device ) Description: This function stops a capture operation. Information: ParametersDescription devicea pointer to a capture device Possible Error StatesDescription ALC_INVALID_DEVICEThe specified device is not a valid capture device. alcCaptureSamples Global alcCaptureSamples( device,buffer:Byte Ptr,samples ) Description: This function completes a capture operation. Information: ParametersDescription devicea pointer to a capture device buffera pointer to a data buffer, which must be large enough to accommodate samples number of samples samplesthe number of samples to be retrieved Possible Error StatesDescription ALC_INVALID_VALUEThe specified number of samples is larger than the number of available samples. ALC_INVALID_DEVICEThe specified device is not a valid capture device. alEnable Global alEnable( capability ) Description: This function enables a feature of the OpenAL driver. Information: ParametersDescription capabilitythe name of a capability to enable Possible Error StatesDescription AL_INVALID_ENUMThe specified capability is not valid. AL_INVALID_OPERATIONThere is no current context. There are no capabilities defined in OpenAL 1.1 to be used with this function, but it may be used by an extension. alDisable Global alDisable( capability ) Description: This function disables a feature of the OpenAL driver. Information: ParametersDescription capabilitythe name of a capability to disable Possible Error StatesDescription AL_INVALID_ENUMThe specified capability is not valid. AL_INVALID_OPERATIONThere is no current context. There are no capabilities defined in OpenAL 1.1 to be used with this function, but it may be used by an extension. alIsEnabled Global alIsEnabled( capability ) Description: This function returns a boolean indicating if a specific feature is enabled in the OpenAL Information: ParametersDescription capabilitythe name of a capability to disable Possible Error StatesDescription AL_INVALID_ENUMThe specified capability is not valid. AL_INVALID_OPERATIONThere is no current context. Returns AL_TRUE if the capability is enabled, AL_FALSE if the capability is disabled. There are no capabilities defined in OpenAL 1.1 to be used with this function, but it may be used by an extension. alGetString Global alGetString:Byte Ptr( param ) Description: This function retrieves an OpenAL string property. Information: ParametersDescription paramThe property to be returned:AL_VENDORAL_VERSIONAL_RENDERERAL_EXTENSIONS Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. Returns a pointer to a null-terminated string. alGetBooleanv Global alGetBooleanv( param,data:Byte Ptr ) Description: This function retrieves a boolean OpenAL state. Information: ParametersDescription paramthe state to be returned:AL_DOPPLER_FACTORAL_SPEED_OF_SOUNDAL_DISTANCE_MODEL dataa pointer to the location where the state will be stored Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_VALUEThe specified data pointer is not valid. AL_INVALID_OPERATIONThere is no current context. alGetIntegerv Global alGetIntegerv( param,data:Int Ptr ) Description: This function retrieves an integer OpenAL state. Information: ParametersDescription paramthe state to be returned:AL_DOPPLER_FACTORAL_SPEED_OF_SOUNDAL_DISTANCE_MODEL dataa pointer to the location where the state will be stored Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_VALUEThe specified data pointer is not valid. AL_INVALID_OPERATIONThere is no current context. alGetFloatv Global alGetFloatv( param,data:Float Ptr ) Description: This function retrieves a floating point OpenAL state. Information: ParametersDescription paramthe state to be returned:AL_DOPPLER_FACTORAL_SPEED_OF_SOUNDAL_DISTANCE_MODEL dataa pointer to the location where the state will be stored Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_VALUEThe specified data pointer is not valid. AL_INVALID_OPERATIONThere is no current context. alGetDoublev Global alGetDoublev( param,data:Double Ptr ) Description: This function retrieves a double precision floating point OpenAL state. Information: ParametersDescription paramthe state to be returned:AL_DOPPLER_FACTORAL_SPEED_OF_SOUNDAL_DISTANCE_MODEL dataa pointer to the location where the state will be stored Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_VALUEThe specified data pointer is not valid. AL_INVALID_OPERATIONThere is no current context. alGetBoolean Global alGetBoolean( param ) Description: This function returns a boolean OpenAL state. Information: ParametersDescription paramthe state to be queried:AL_DOPPLER_FACTORAL_SPEED_OF_SOUNDAL_DISTANCE_MODEL Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. The boolean state described by param will be returned. alGetInteger Global alGetInteger( param ) Description: This function returns an integer OpenAL state. Information: ParametersDescription paramthe state to be queried:AL_DOPPLER_FACTORAL_SPEED_OF_SOUNDAL_DISTANCE_MODEL Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. The integer state described by param will be returned. alGetFloat Global alGetFloat#( param ) Description: This function returns a floating point OpenAL state. Information: ParametersDescription paramthe state to be queried:AL_DOPPLER_FACTORAL_SPEED_OF_SOUNDAL_DISTANCE_MODEL Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. The floating point state described by param will be returned. alGetDouble Global alGetDouble!( param ) Description: This function returns a double precision floating point OpenAL state. Information: ParametersDescription paramthe state to be queried:AL_DOPPLER_FACTORAL_SPEED_OF_SOUNDAL_DISTANCE_MODEL Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. The double value described by param will be returned. alGetError Global alGetError() Description: This function returns the current error state and then clears the error state. Information: Returns an Alenum representing the error state. When an OpenAL error occurs, the error state is set and will not be changed until the error state is retrieved using alGetError. Whenever alGetError is called, the error state is cleared and the last state (the current state when the call was made) is returned. To isolate error detection to a specific portion of code, alGetError should be called before the isolated section to clear the current error state. alIsExtensionPresent Global alIsExtensionPresent( extname$z ) Description: This function tests if a specific extension is available for the OpenAL driver. Information: ParametersDescription extnamea null-terminated string describing the desired extension Possible Error StatesDescription AL_INVALID_VALUEThe specified extension string is not a valid pointer. Returns AL_TRUE if the extension is available, AL_FALSE if the extension is not available. alGetProcAddress Global alGetProcAddress:Byte Ptr( fname$z ) Description: This function returns the address of an OpenAL extension function. Information: ParametersDescription fnamea null-terminated string containing the function name The return value is a pointer to the specified function. The return value will be NULL if the function is not found. alGetEnumValue Global alGetEnumValue( ename$z ) Description: This function returns the enumeration value of an OpenAL enum described by a string. Information: ParametersDescription enamea null-terminated string describing an OpenAL enum Returns the actual ALenum described by a string. Returns NULL if the string doesnt describe a valid OpenAL enum. alListenerf Global alListenerf( param,value# ) Description: This function sets a floating point property for the listener. The relevant properties are listed in the table Listener Properties. Information: ParametersDescription paramthe name of the attribute to be set: AL_GAIN valuethe ALfloat value to set the attribute to Possible Error StatesDescription AL_INVALID_VALUEThe value given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. alListener3f Global alListener3f( param,value1#,value2#,value3# ) Description: This function sets a floating point property for the listener. The relevant properties are listed in the table Listener Properties. Information: ParametersDescription paramthe name of the attribute to set:AL_POSITIONAL_VELOCITY v1, v2, v3the value to set the attribute to Possible Error StatesDescription AL_INVALID_VALUEThe value given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. alListenerfv Global alListenerfv( param,values:Float Ptr ) Description: This function sets a floating point-vector property of the listener. The relevant properties are listed in the table Listener Properties. Information: ParametersDescription paramthe name of the attribute to be set:AL_POSITIONAL_VELOCITYAL_ORIENTATION valuespointer to floating point-vector values Possible Error StatesDescription AL_INVALID_VALUEThe value given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. alListeneri Global alListeneri( param,value ) Description: This function sets an integer property of the listener. Information: ParametersDescription paramthe name of the attribute to be set valuethe integer value to set the attribute to Possible Error StatesDescription AL_INVALID_VALUEThe value given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. There are no integer listener attributes defined for OpenAL 1.1, but this function may be used by an extension. alListener3i Global alListener3i( param,value1,value2,value3 ) Description: This function sets an integer property of the listener. The relevant properties are listed in the table Listener Properties. Information: ParametersDescription paramthe name of the attribute to be set:AL_POSITIONAL_VELOCITY value1, value2, value3the integer values to set the attribute to Possible Error StatesDescription AL_INVALID_VALUEThe value given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. alListeneriv Global alListeneriv( param,values:Int Ptr ) Description: This function sets an integer property of the listener. The relevant properties are listed in the table Listener Properties. Information: ParametersDescription paramthe name of the attribute to be set:AL_POSITIONAL_VELOCITYAL_ORIENTATION valuespointer to the integer values to set the attribute to Possible Error StatesDescription AL_INVALID_VALUEThe value given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. alGetListenerf Global alGetListenerf( param,value:Float Ptr ) Description: This function retrieves a floating point property of the listener. The relevant properties are listed in the table Listener Properties. Information: ParametersDescription paramthe name of the attribute to be retrieved: AL_GAIN valuea pointer to the floating point value being retrieved Possible Error StatesDescription AL_INVALID_VALUEThe value pointer given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. alGetListener3f Global alGetListener3f( param,value1:Float Ptr,value2:Float Ptr,value3:Float Ptr ) Description: This function retrieves a set of three floating point values from a property of the listener. The relevant properties are listed in the table Listener Properties. Information: ParametersDescription paramthe name of the attribute to be retrieved:AL_POSITIONAL_VELOCITY value1, value2, value3pointers to the three floating point being retrieved Possible Error StatesDescription AL_INVALID_VALUEThe value pointer given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. alGetListenerfv Global alGetListenerfv( param,values:Float Ptr ) Description: This function retrieves a floating point-vector property of the listener. The relevant properties are listed in the table Listener Properties. Information: ParametersDescription paramthe name of the attribute to be retrieved:AL_POSITIONAL_VELOCITYAL_ORIENTATION valuesa pointer to the floating point-vector value being retrieved Possible Error StatesDescription AL_INVALID_VALUEThe value pointer given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. alGetListeneri Global alGetListeneri( param,value:Int Ptr ) Description: This function retrieves an integer property of the listener. Information: ParametersDescription paramthe name of the attribute to be retrieved valuea pointer to the integer value being retrieved Possible Error StatesDescription AL_INVALID_VALUEThe value pointer given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. There are no integer listener attributes defined for OpenAL 1.1, but this function may be used by an extension. alGetListener3i Global alGetListener3i( param,value1:Int Ptr,value2:Int Ptr,value3:Int Ptr ) Description: This function retrieves an integer property of the listener. The relevant properties are listed in the table Listener Properties. Information: ParametersDescription paramthe name of the attribute to be retrieved:AL_POSITIONAL_VELOCITY value1, value2, value3pointers to the integer values being retrieved Possible Error StatesDescription AL_INVALID_VALUEThe value pointer given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. alGetListeneriv Global alGetListeneriv( param,values:Int Ptr ) Description: This function retrieves an integer property of the listener. The relevant properties are listed in the table Listener Properties. Information: ParametersDescription paramthe name of the attribute to be retrieved:AL_POSITIONAL_VELOCITYAL_ORIENTATION valuesa pointer to the integer values being retrieved Possible Error StatesDescription AL_INVALID_VALUEThe value pointer given is not valid. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_OPERATIONThere is no current context. alGenBuffers Global alGenBuffers( n,buffers:Int Ptr ) Description: This Function generates one or more buffers, which contain audio data (see alBufferData). References To buffers are ALuint values, which are used wherever a buffer reference is needed (in calls such as alDeleteBuffers, alSourcei, alSourceQueueBuffers, and alSourceUnqueueBuffers). Information: ParametersDescription nthe number of buffers To be generated bufferspointer To an array of ALuint values which will store the names of the New buffers Possible Error StatesDescription AL_INVALID_VALUEThe buffer array isn't large enough to hold the number of buffers requested. AL_OUT_OF_MEMORYThere is not enough memory available To generate all the buffers requested. If the requested number of buffers cannot be created, an error will be generated which can be detected with alGetError. If an error occurs, no buffers will be generated. If n equals zero, alGenBuffers does nothing and does not Return an error. alDeleteBuffers Global alDeleteBuffers( n,buffers:Int Ptr ) Description: This function deletes one or more buffers, freeing the resources used by the buffer. Buffers which are attached to a source can not be deleted. See alSourcei and alSourceUnqueueBuffers for information on how to detach a buffer from a source. Information: ParametersDescription nthe number of buffers to be deleted bufferspointer to an array of buffer names identifying the buffers to be deleted Possible Error StatesDescription AL_INVALID_OPERATIONThe buffer is still in use and can not be deleted. AL_INVALID_NAMEA buffer name is invalid. AL_INVALID_VALUEThe requested number of buffers can not be deleted. If the requested number of buffers cannot be deleted, an error will be generated which can be detected with alGetError. If an error occurs, no buffers will be deleted. If n equals zero, alDeleteBuffers does nothing and will not return an error. alIsBuffer Global alIsBuffer( bid ) Description: This function tests if a buffer name is valid, returning AL_TRUE if valid, AL_FALSE if not. Information: ParametersDescription bida buffer name to be tested for validity The NULL buffer is always valid (see alSourcei for information on how the NULL buffer is used). alBufferData Global alBufferData( bid,format,data:Byte Ptr,size,freq ) Description: This function fills a buffer with audio data. All the pre-defined formats are PCM data, but this function may be used by extensions to load other data types as well. Information: ParametersDescription bidbuffer name to be filled with data formatformat type from among the following: AL_FORMAT_MONO8, AL_FORMAT_MONO16, AL_FORMAT_STEREO8, AL_FORMAT_STEREO16 datapointer to the audio data sizethe size of the audio data in bytes freqthe frequency of the audio data Possible Error StatesDescription AL_OUT_OF_MEMORYThere is not enough memory available to create this buffer. AL_INVALID_VALUEThe size parameter is not valid for the format specified, the buffer is in use, or the data is a NULL pointer. AL_INVALID_ENUMThe specified format does not exist. 8-bit PCM data is expressed as an unsigned value over the range 0 to 255, 128 being an audio output level of zero. 16-bit PCM data is expressed as a signed value over the range -32768 to 32767, 0 being an audio output level of zero. Stereo data is expressed in interleaved format, left channel first. Buffers containing more than one channel of data will be played without 3D spatialization. alBufferf Global alBufferf( bid,param,value# ) Description: This Function sets a floating point property of a buffer. Information: ParametersDescription bidbuffer name whose attribute is being retrieved paramthe name of the attribute To be set valuethe ALfloat value To be set Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. There are no relevant buffer properties defined in OpenAL 1.1 which can be affected by this call, but this Function may be used by OpenAL extensions. alBuffer3f Global alBuffer3f( bid,param,value1#,value2#,value3# ) Description: This function sets a floating point property of a buffer. Information: ParametersDescription bidbuffer name whose attribute is being retrieved paramthe name of the attribute to be set value1, value2, value3the ALfloat values to be set Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. There are no relevant buffer properties defined in OpenAL 1.1 which can be affected by this call, but this function may be used by OpenAL extensions. alBufferfv Global alBufferfv( bid,param,values:Float Ptr ) Description: This function sets a floating point property of a buffer. Information: ParametersDescription bidbuffer name whose attribute is being retrieved paramthe name of the attribute to be set valuesa pointer to the ALfloat values to be set Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. There are no relevant buffer properties defined in OpenAL 1.1 which can be affected by this call, but this function may be used by OpenAL extensions. alBufferi Global alBufferi( bid,param,value ) Description: This Function sets a floating point property of a buffer. Information: ParametersDescription bidbuffer name whose attribute is being retrieved paramthe name of the attribute To be set valuethe ALint value To be set Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. There are no relevant buffer properties defined in OpenAL 1.1 which can be affected by this call, but this Function may be used by OpenAL extensions. alBuffer3i Global alBuffer3i( bid,param,value1,value2,value3 ) Description: This Function sets a floating point property of a buffer. Information: ParametersDescription bidbuffer name whose attribute is being retrieved paramthe name of the attribute To be set value1, value2, value3the ALint values To be set Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. There are no relevant buffer properties defined in OpenAL 1.1 which can be affected by this call, but this Function may be used by OpenAL extensions. alBufferiv Global alBufferiv( bid,param,values:Int Ptr ) Description: This Function sets a floating point property of a buffer. Information: ParametersDescription bidbuffer name whose attribute is being retrieved paramthe name of the attribute To be set valuesa pointer To the ALint values To be set Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. There are no relevant buffer properties defined in OpenAL 1.1 which can be affected by this call, but this Function may be used by OpenAL extensions. alGetBufferf Global alGetBufferf( bid,param,value:Float Ptr ) Description: This Function retrieves a floating point property of a buffer. Information: ParametersDescription bidbuffer name whose attribute is being retrieved pnamethe name of the attribute To be retrieved valuea pointer to an ALfloat To hold the retrieved data Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. AL_INVALID_VALUEThe specified value pointer is not valid. There are no relevant buffer properties defined in OpenAL 1.1 which can be retrieved by this call, but this Function may be used by OpenAL extensions. alGetBuffer3f Global alGetBuffer3f( bid,param,value1:Float Ptr,value2:Float Ptr,value3:Float Ptr ) Description: This Function retrieves a floating point property of a buffer. Information: ParametersDescription bidbuffer name whose attribute is being retrieved pnamethe name of the attribute To be retrieved value1, value2, value3pointers to a ALfloat values To hold the retrieved data Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. AL_INVALID_VALUEThe specified value pointer is not valid. There are no relevant buffer properties defined in OpenAL 1.1 which can be retrieved by this call, but this Function may be used by OpenAL extensions. alGetBufferfv Global alGetBufferfv( bid,param,values:Float Ptr ) Description: This Function retrieves a floating point property of a buffer. Information: ParametersDescription bidbuffer name whose attribute is being retrieved pnamethe name of the attribute to be retrieved valuespointer To an ALfloat vector To hold the retrieved data Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. AL_INVALID_VALUEThe specified value pointer is not valid. There are no relevant buffer properties defined in OpenAL 1.1 which can be retrieved by this call, but this Function may be used by OpenAL extensions. alGetBufferi Global alGetBufferi( bid,param,value:Int Ptr ) Description: This Function retrieves a floating point property of a buffer. Information: ParametersDescription bidbuffer name whose attribute is being retrieved pnamethe name of the attribute to be retrieved: AL_FREQUENCY, AL_BITS, AL_CHANNELS, AL_SIZE, AL_DATA valuea pointer To an ALint To hold the retrieved data Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. AL_INVALID_VALUEThe specified value pointer is not valid. There are no relevant buffer properties defined in OpenAL 1.1 which can be retrieved by this call, but this Function may be used by OpenAL extensions. alGetBuffer3i Global alGetBuffer3i( bid,param,value1:Int Ptr,value2:Int Ptr,value3:Int Ptr ) Description: This Function retrieves a floating point property of a buffer. Information: ParametersDescription bidbuffer name whose attribute is being retrieved pnamethe name of the attribute To be retrieved value1, value2, value3pointers To ALint values To hold the retrieved data Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. AL_INVALID_VALUEThe specified value pointer is not valid. There are no relevant buffer properties defined in OpenAL 1.1 which can be retrieved by this call, but this Function may be used by OpenAL extensions. alGetBufferiv Global alGetBufferiv( bid,param,values:Int Ptr ) Description: This Function retrieves a floating point property of a buffer. The relevant properties are listed in the table Buffer Properties. Information: ParametersDescription bidbuffer name whose attribute is being retrieved pnamethe name of the attribute To be retrieved valuespointer to an ALint vector To hold the retrieved data Possible Error StatesDescription AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified buffer doesn't have parameters (the NULL buffer), or doesn't exist. AL_INVALID_VALUEThe specified value pointer is not valid. There are no relevant buffer properties defined in OpenAL 1.1 which can be retrieved by this call, but this function may be used by OpenAL extensions. alGenSources Global alGenSources( n,sources:Int Ptr ) Description: This Function generates one or more sources. References To sources are ALuint values, which are used wherever a source reference is needed (in calls such as alDeleteSources and alSourcei). Information: ParametersDescription nthe number of sources To be generated sourcespointer To an array of ALuint values which will store the names of the New sources Possible Error StatesDescription AL_OUT_OF_MEMORYThere is not enough memory To generate all the requested sources. AL_INVALID_VALUEThere are not enough non-memory resources To create all the requested sources, or the array pointer is not valid. AL_INVALID_OPERATIONThere is no context To create sources in. If the requested number of sources cannot be created, an error will be generated which can be detected with alGetError. If an error occurs, no sources will be generated. If n equals zero, alGenSources does nothing and does not Return an error. alDeleteSources Global alDeleteSources( n,sources:Int Ptr ) Description: This function deletes one or more sources. Information: ParametersDescription nthe number of sources to be deleted sourcespointer to an array of source names identifying the sources to be deleted Possible Error StatesDescription AL_INVALID_NAMEat least one specified source is not valid, or an attempt is being made to delete more sources than exist. AL_INVALID_OPERATIONThere is no current context. If the requested number of sources cannot be deleted, an error will be generated which can be detected with alGetError. If an error occurs, no sources will be deleted. If n equals zero, alDeleteSources does nothing and will not return an error. A playing source can be deleted - the source will be stopped and then deleted. alIsSource Global alIsSource( sid ) Description: This function tests if a source name is valid, returning AL_TRUE if valid and AL_FALSE if not. Information: ParametersDescription sida source name to be tested for validity Possible Error StatesDescription AL_INVALID_OPERATIONThere is no current context. alSourcef Global alSourcef( sid,param,value# ) Description: This function sets a floating point property of a source. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being set paramthe name of the attribute to set:AL_PITCHAL_GAINAL_MAX_DISTANCEAL_ROLLOFF_FACTORAL_REFERENCE_DISTANCEAL_MIN_GAINAL_MAX_GAINAL_CONE_OUTER_GAIN valuethe value to set the attribute t Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. alSource3f Global alSource3f( sid,param,value1#,value2#,value3# ) Description: This function sets a source property requiring three floating point values. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being set paramthe name of the attribute to set:AL_POSITIONAL_VELOCITYAL_DIRECTION v1, v2, v3the three ALfloat values which the attribute will be set to Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. This function is an alternative to alSourcefv. alSourcefv Global alSourcefv( sid,param,values:Float Ptr ) Description: This function sets a source property requiring three floating point values. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being set paramthe name of the attribute to set:AL_POSITIONAL_VELOCITYAL_DIRECTION valuesa pointer to the vector to set the attribute to Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. This function is an alternative to alSource3f. alSourcei Global alSourcei( sid,param,value ) Description: This function sets an integer property of a source. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being set paramthe name of the attribute to set:AL_SOURCE_RELATIVEAL_CONE_INNER_ANGLEAL_CONE_OUTER_ANGLEAL_LOOPINGAL_BUFFERAL_SOURCE_STATE valuea pointer to the vector to set the attribute to Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. The buffer name zero is reserved as a "NULL Buffer" and is accepted by alSourcei(..., AL_BUFFER, ...) as a valid buffer of zero length. The NULL Buffer is extremely useful for detaching buffers from a source which were attached using this call or with alSourceQueueBuffers. alSource3i Global alSource3i( sid,param,value1,value2,value3 ) Description: This function sets an integer property of a source. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being set paramthe name of the attribute to set:AL_POSITIONAL_VELOCITYAL_DIRECTION value1, value2, value3the values to set the attribute to Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. alSourceiv Global alSourceiv( sid,param,values:Int Ptr ) Description: This function sets an integer property of a source. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being set paramthe name of the attribute to set:AL_POSITIONAL_VELOCITYAL_DIRECTION valuesthe values to set the attribute to Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. alGetSourcef Global alGetSourcef( sid,param,value:Float Ptr ) Description: This function retrieves a floating point property of a source. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being retrieved paramthe name of the attribute to retrieve:AL_PITCHAL_GAINAL_MIN_GAINAL_MAX_GAINAL_MAX_DISTANCEAL_ROLLOFF_FACTORAL_CONE_OUTER_GAINAL_CONE_INNER_ANGLEAL_CONE_OUTER_ANGLEAL_REFERENCE_DISTANCE valuea pointer to the floating point value being retrieved Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. alGetSource3f Global alGetSource3f( sid,param,value1:Float Ptr,value2:Float Ptr,value3:Float Ptr ) Description: This function retrieves three floating point values representing a property of a source. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being retrieved paramthe name of the attribute to retrieve:AL_POSITIONAL_VELOCITYAL_DIRECTION value1,value2,value3pointers to the values to retrieve Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. alGetSourcefv Global alGetSourcefv( sid,param,values:Float Ptr ) Description: This function retrieves a floating point-vector property of a source. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being retrieved paramthe name of the attribute to retrieve:AL_POSITIONAL_VELOCITYAL_DIRECTION valuesa pointer to the vector to retrieve Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. alGetSourcei Global alGetSourcei( sid,param,value:Int Ptr ) Description: This function retrieves an integer property of a source. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being retrieved pnamethe name of the attribute to retrieve:AL_SOURCE_RELATIVEAL_BUFFERAL_SOURCE_STATEAL_BUFFERS_QUEUEDAL_BUFFERS_PROCESSED valuea pointer to the integer value being retrieved Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. alGetSource3i Global alGetSource3i( sid,param,value1:Int Ptr,value2:Int Ptr,value3:Int Ptr ) Description: This function retrieves an integer property of a source. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being retrieved pnamethe name of the attribute to retrieve:AL_POSITIONAL_VELOCITYAL_DIRECTION value1, value2, value3pointers to the integer values being retrieved Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. alGetSourceiv Global alGetSourceiv( sid,param,values:Int Ptr ) Description: This function retrieves an integer property of a source. The relevant properties are listed in the table Source Properties. Information: ParametersDescription sidsource name whose attribute is being retrieved pnamethe name of the attribute to retrieve:AL_POSITIONAL_VELOCITYAL_DIRECTION valuespointers to the integer values being retrieved Possible Error StatesDescription AL_INVALID_VALUEThe value given is out of range. AL_INVALID_ENUMThe specified parameter is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. alSourcePlayv Global alSourcePlayv( ns,sids:Int Ptr ) Description: This function plays a set of sources. Information: ParametersDescription nsthe number of sources to be played sidsa pointer to an array of sources to be played Possible Error StatesDescription AL_INVALID_VALUEThe value pointer given is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. The playing sources will have their state changed to AL_PLAYING. When called on a source which is already playing, the source will restart at the beginning. When the attached buffer(s) are done playing, the source will progress to the AL_STOPPED state. alSourceStopv Global alSourceStopv( ns,sids:Int Ptr ) Description: This function stops a set of sources. Information: ParametersDescription nsthe number of sources to stop sidsa pointer to an array of sources to be stopped Possible Error StatesDescription AL_INVALID_VALUEThe value pointer given is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. The stopped sources will have their state changed to AL_STOPPED. alSourceRewindv Global alSourceRewindv( ns,sids:Int Ptr ) Description: This function stops a set of sources and sets all their states to AL_INITIAL. Information: ParametersDescription nsthe number of sources to be rewound sidsa pointer to an array of sources to be rewound Possible Error StatesDescription AL_INVALID_VALUEThe value pointer given is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. alSourcePausev Global alSourcePausev( ns,sids:Int Ptr ) Description: This function pauses a set of sources. Information: ParametersDescription nsthe number of sources to be paused sidsa pointer to an array of sources to be paused Possible Error StatesDescription AL_INVALID_VALUEThe value pointer given is not valid. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. The paused sources will have their state changed to AL_PAUSED. alSourcePlay Global alSourcePlay( sid ) Description: This function plays a source. Information: ParametersDescription sidthe name of the source to be played Possible Error StatesDescription AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. The playing source will have its state changed to AL_PLAYING. When called on a source which is already playing, the source will restart at the beginning. When the attached buffer(s) are done playing, the source will progress to the AL_STOPPED state. alSourceStop Global alSourceStop( sid ) Description: This function stops a source. Information: ParametersDescription sidthe name of the source to be stopped Possible Error StatesDescription AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. The stopped source will have its state changed to AL_STOPPED. alSourceRewind Global alSourceRewind( sid ) Description: This function stops the source and sets its state to AL_INITIAL. Information: ParametersDescription sidthe name of the source to be rewound Possible Error StatesDescription AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. alSourcePause Global alSourcePause( sid ) Description: This function pauses a source. Information: ParametersDescription sidthe name of the source to be paused Possible Error StatesDescription AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. The paused source will have its state changed to AL_PAUSED. alSourceQueueBuffers Global alSourceQueueBuffers( sid,numEntries,bids:Int Ptr ) Description: This function queues a set of buffers on a source. All buffers attached to a source will be played in sequence, and the number of processed buffers can be detected using an alSourcei call to retrieve AL_BUFFERS_PROCESSED. Information: ParametersDescription sidthe name of the source to queue buffers onto numEntriesthe number of buffers to be queued bidsa pointer to an array of buffer names to be queued Possible Error StatesDescription AL_INVALID_NAMEat least one specified buffer name is not valid, or the specified source name is not valid. AL_INVALID_OPERATIONThere is no current context, an attempt was made to add a new buffer which is not the same format as the buffers already in the queue, or the source already has a static buffer attached. When first created, a source will be of type AL_UNDETERMINED. A successful alSourceQueueBuffers call will change the source type to AL_STREAMING. alSourceUnqueueBuffers Global alSourceUnqueueBuffers( sid,numEntries,bids:Int Ptr ) Description: This function unqueues a set of buffers attached to a source. The number of processed buffers can be detected using an alSourcei call to retrieve AL_BUFFERS_PROCESSED, which is the maximum number of buffers that can be unqueued using this call. Information: ParametersDescription sidthe name of the source to unqueue buffers from numEntriesthe number of buffers to be unqueued bidsa pointer to an array of buffer names that were removed Possible Error StatesDescription AL_INVALID_VALUEat least one buffer can not be unqueued because it has not been processed yet. AL_INVALID_NAMEThe specified source name is not valid. AL_INVALID_OPERATIONThere is no current context. The unqueue operation will only take place if all n buffers can be removed from the queue. alDopplerFactor Global alDopplerFactor( value# ) Description: This function selects the OpenAL Doppler factor value. Information: ParametersDescription valuethe Doppler scale value to set Possible Error StatesDescription AL_INVALID_VALUEThe specified value is not valid. AL_INVALID_OPERATIONThere is no current context. The default Doppler factor value is 1.0. alDopplerVelocity Global alDopplerVelocity( value# ) Description: This function selects the speed of sound for use in Doppler calculations. Information: ParametersDescription valuethe speed of sound value to set Possible Error StatesDescription AL_INVALID_VALUEThe specified value is not valid. AL_INVALID_OPERATIONThere is no current context. The default speed of sound value is 343.3. alSpeedOfSound Global alSpeedOfSound( value# ) Description: This function selects the speed of sound for use in Doppler calculations. Information: ParametersDescription value#the speed of sound value to set Possible Error StatesDescription AL_INVALID_VALUEThe specified value is not valid. AL_INVALID_OPERATIONThere is no current context. The default speed of sound value is 343.3. alDistanceModel Global alDistanceModel( distanceModel ) Description: This function selects the OpenAL distance model. The AL_INVERSE_DISTANCE model works according to the following formula: G_dB = AL_GAIN - 20log10(1 + AL_ROLLOFF_FACTOR*(distance - AL_REFERENCE_DISTANCE)/AL_REFERENCE_DISTANCE));G_dB = min(G_dB, AL_MAX_GAIN);G_dB = max(G_dB, AL_MIN_GAIN); The AL_INVERSE_DISTANCE_CLAMPED model works according to the following formula: distance = max(distance, AL_REFERENCE_DISTANCE);distance = min(distance, AL_MAX_DISTANCE);G_dB = AL_GAIN - 20log10(1 + AL_ROLLOFF_FACTOR*(distance - AL_REFERENCE_DISTANCE)/AL_REFERENCE_DISTANCE));G_dB = min(G_dB, AL_MAX_GAIN);G_dB = max(G_dB, AL_MIN_GAIN); The AL_NONE model works according to the following formula: G_db = AL_GAIN; Information: ParametersDescription distanceModelthe distance model to be set:AL_NONEAL_INVERSE_DISTANCEAL_INVERSE_DISTANCE_CLAMPED Possible Error StatesDescription AL_INVALID_VALUEThe specified distance model is not valid. AL_INVALID_OPERATIONThere is no current context. The default distance model in OpenAL is AL_INVERSE_DISTANCE_CLAMPED.