Class VLGenericFilter.TVLGenericFilter

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Package: VideoLabBasicPkg

Unit: VLGenericFilter

Inherits: TVLBasicStartGenericFilter

Contents 1 Syntax 1.1 Delphi: 1.2 C++ Builder: 1.3 Visual C++ (MFC): 1.4 C# (.NET): 2 Summary 3 Description 4 Methods 4.1 Public 5 Events 6 From TVLBasicStartGenericFilter 7 Events 8 From TVLBasicGenericFilter 9 Properties 9.1 Published 10 Methods 10.1 Public 11 Events 12 From TVLCommonFilter 13 Properties 13.1 Public 14 Methods 14.1 Public 15 Pins 16 From TSLBasicThreadedEnableFilter 17 Properties 17.1 Published 18 From TSLBasicThreadedFilter 19 Properties 19.1 Published

Syntax

Delphi:

type TVLGenericFilter = class( TVLBasicStartGenericFilter )

C++ Builder:

class TVLGenericFilter : public TVLBasicStartGenericFilter

Visual C++ (MFC):

class CTVLGenericFilter : public CTVLBasicStartGenericFilter

C# (.NET):

public ref class TVLGenericFilter : Mitov.VideoLab.BasicStartGenericFilter

Summary

User defined filter for Video data.

Description

Implements a user defined filter over the frame image.

Implement the user defined filter inside the OnProcessData event handler.

Diagram:

Methods

Public

• procedure SendData(OutBuffer : IVLImageBuffer) - Sends video frame trough the output pin.

Events

• OnProcessData - Occurs when a video frame is received.

From TVLBasicStartGenericFilter

Events

• OnStart - Occurs when the data pumping starts.

From TVLBasicGenericFilter

Properties

Published

• SynchronizeType - Type of thread buffer synchronization.

Methods

Public

• procedure SendStartCommand(AWidth : Cardinal; AHeight : Cardinal; AFrameDelay : Cardinal) - Sends start command trough the output pin.
• procedure SendStartCommand(AWidth : Cardinal; AHeight : Cardinal; AFrameDelay : Cardinal; AVideoFormat : TVLVideoFormat) - Sends start command trough the output pin.
• procedure SendStartCommand(AWidth : Cardinal; AHeight : Cardinal; AFrameDelay : Cardinal; AVideoFormat : TVLVideoFormat; ARatioWidth : Cardinal; ARatioHeight : Cardinal) - Sends start command trough the output pin.
• procedure SendStopCommand() - Sends stop command trough the output pin.
• procedure ClearQueue() - Clears the internal synchronization buffer queue.

Events

• OnStop - Occurs when the data pumping stops.

From TVLCommonFilter

Properties

Public

• InputVideoFormat - Returns the current input video format.

Methods

Public

• procedure ProcessFrame(Image : IVLImageBuffer) - Performs a filter operation over a video buffer.
• procedure ProcessFrame(InImage : IVLImageBuffer; var OutImage : IVLImageBuffer) - Performs a filter operation over a video buffer.
• procedure ProcessBitmap(InBitmap : TBitmap; OutBitmap : TBitmap) - Performs a filter operation over a bitmap.

Pins

• OutputPin - The Video Output Pin of the filter.
• InputPin - The Video Input Pin of the filter.

From TSLBasicThreadedEnableFilter

Properties

Published

• Enabled

From TSLBasicThreadedFilter

Properties

Published

• Threading