Class MLDSPlayer.TMLDSPlayer

This is a Beta Read Only version of this page. Please review and send recommendations to mitov@mitov.com. We will enable the editing as soon as we are happy with the overall Wiki site.

Package: AudioLabBasicPkg

Unit: MLDSPlayer

Inherits: TLPComponent

Contents 1 Syntax 1.1 Delphi: 1.2 C++ Builder: 1.3 Visual C++ (MFC): 1.4 C# (.NET): 2 Summary 3 Description 4 Properties 4.1 Published 4.2 Public 5 Methods 5.1 Public 6 Pins 7 Events

Syntax

Delphi:

type TMLDSPlayer = class( TLPComponent )

C++ Builder:

class TMLDSPlayer : public TLPComponent

Visual C++ (MFC):

class CTMLDSPlayer : public CTLPComponent

C# (.NET):

public ref class DSPlayer : Mitov.AudioLab.Component

Summary

Base class for DirectShow audio and video players.

Description

Defines base class for DirectShow audio and video players.

Do not use this class directly. Use the derived classes instead.

Properties

Published

• Graph - The DirectShow Graph.
• Enabled - Enables/Disables the filter.
• Paused - Pauses or resumes the playback.
• ClockSource - Specifies the clock source - internal or external.
• PumpPriority - Specifies the priority of the component as a pump.
• Loop - Replayed again after the end.
• FileName - Name of the file to be Played.
• RestartOnNewFile - Send Stop/Start notification when switching files.
• PlaybackRate - Specifies the desired playback rate.
• PlaybackPrefill - Specifies the desired playback prefill.
• ExtractRawAudio - Specifies if the player should try to extract raw/uncompressed audio.

Public

• Opened - Indicates if the file is opened.
• WaveFormat - Returns the current audio format.

Methods

Public

• function Open() : Boolean - Opens the file and creates the DirectShow graph needed for the player.
• procedure Close() - Closes the file and destroys the DirectShow graph for the player.
• procedure Start() - Starts the playback.
• procedure Stop() - Stops the playback.
• procedure Pause() - Pauses the playback.
• procedure Resume() - Resumes paused playback.
• procedure Pump() - Plays one buffer if enabled and ClockSource is csExternal.

Pins

• ProgressPin - The Play Progress Pin of the player.
• ClockPin - The external clock pin for the player.
• TextOutputPin - The Text Output Pin of the player.
• RawAudioOutputPin - The Raw uncompressed Audio Output Pin of the player.

Events

• OnProgress - Player progress notification event.
• OnStop - Occurs when the playback stops.
• OnCaptionText - Occurs when a new text appears in the text stream.