Class TunavclDTMFDecoder

Unit

unaDspControls

Declaration

type TunavclDTMFDecoder = class(unavclInOutWavePipe)

Description

DTMF Control

Hierarchy

• tComponent
• unavclInOutPipe
• unavclInOutWavePipe
• TunavclDTMFDecoder

Overview

Methods

	function applyDeviceFormat(format: PWAVEFORMATEXTENSIBLE; isSrc: bool = true): bool; override;
	function doOpen(): bool; override;
	function doWrite(data: pointer; len: uint; provider: pointer = nil): uint; override;
	function getAvailableDataLen(index: integer): uint; override;
	function isActive(): bool; override;
	procedure AfterConstruction(); override;
	procedure BeforeDestruction(); override;
	procedure doClose(); override;

Properties

	property onDTMFCodeDetected: tDTMFCodeDetectedEvent read getOnCodeDE write setOnCodeDE;
	property threshold: int read getThreshold write setThreshold default c_def_dtmfd_LVS;

Description

Methods

	function applyDeviceFormat(format: PWAVEFORMATEXTENSIBLE; isSrc: bool = true): bool; override;

	function doOpen(): bool; override;

	function doWrite(data: pointer; len: uint; provider: pointer = nil): uint; override;

	function getAvailableDataLen(index: integer): uint; override;

	function isActive(): bool; override;

	procedure AfterConstruction(); override;

	procedure BeforeDestruction(); override;

	procedure doClose(); override;

Properties

	property onDTMFCodeDetected: tDTMFCodeDetectedEvent read getOnCodeDE write setOnCodeDE;
Fires when new DTMF code is detected.

	property threshold: int read getThreshold write setThreshold default c_def_dtmfd_LVS;

(c) 2012 Lake of Soft