Class VLFrameChange.TVLFrameChange

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Package: VideoLabPkg

Unit: VLFrameChange

Inherits: TVLCommonFilter

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 5 From TVLCommonFilter 6 Properties 6.1 Public 7 Methods 7.1 Public 8 Pins 9 From TSLBasicThreadedEnableFilter 10 Properties 10.1 Published 11 From TSLBasicThreadedFilter 12 Properties 12.1 Published

Syntax

Delphi:

type TVLFrameChange = class( TVLCommonFilter )

C++ Builder:

class TVLFrameChange : public TVLCommonFilter

Visual C++ (MFC):

class CTVLFrameChange : public CTVLCommonFilter

C# (.NET):

public ref class TVLFrameChange : Mitov.VideoLab.CommonFilter

Summary

Combines two sequential frames.

Description

Combines two sequential frames, and produces a new frame.

Diagram:

Here are samples of the filter performed over two sample sequential frames:

Original Frame (N-1):	Original Frame (N):
AbsDiff:	Add:
And:	Or:
Xor:	Multiply:
SubtractNew:	SubtractOld:
DivideNew:	DivideOld:

Properties

Published

• FrameChangeOperation - The operation to be performed between the new and the old video frame.

From TVLCommonFilter

Properties

Public

• InputVideoFormat

Methods

Public

• procedure ProcessFrame(Image : IVLImageBuffer)
• procedure ProcessFrame(InImage : IVLImageBuffer; var OutImage : IVLImageBuffer)
• procedure ProcessBitmap(InBitmap : TBitmap; OutBitmap : TBitmap)

Pins

• OutputPin
• InputPin

From TSLBasicThreadedEnableFilter

Properties

Published

• Enabled

From TSLBasicThreadedFilter

Properties

Published

• Threading