AudioUnit

extension AudioUnit

  • Obtain a property description from an AudioUnit

    Throws

    throws exception if the property is invalid

    Declaration

    Swift

    public func getPropertyInfo(_ pid: AudioUnitPropertyID) throws -> (size: UInt32, writable: Bool)

    Parameters

    pid

    the key of the property to get

    Return Value

    a 2-tuple containing the size of the property value and a flag if it can be updated

  • Obtain the current value of a property

    Throws

    throws exception if the property is invalid or the size is wrong

    Declaration

    Swift

    public func getPropertyValue<T>(_ pid: AudioUnitPropertyID) throws -> T

    Parameters

    pid

    the key of the property to get

    Return Value

    the current value

  • Obtain the current value of a property

    Throws

    throws exception if the property is invalid or the size is wrong

    Declaration

    Swift

    public func getPropertyValue<T>(_ pid: AudioUnitPropertyID, size: UInt32) throws -> T

    Parameters

    pid

    the key of the property to get
    size

    the size of the property value type

    Return Value

    the current value

  • Change a property value.

    Throws

    throws exception if the property is invalid or the property is read-only

    Declaration

    Swift

    public func setPropertyValue<T>(_ pid: AudioUnitPropertyID, value: T) throws

    Parameters

    pid

    the key of the property to set
    value

    the new value to use

  • Change a property value.

    Throws

    throws exception if the property is invalid or the property is read-only

    Declaration

    Swift

    public func setPropertyValue<T>(_ pid: AudioUnitPropertyID, size: UInt32, value: T) throws

    Parameters

    pid

    the key of the property to set
    size

    the size of the value type
    value

    the new value to use