Class VLApplyAlpha.TVLApplyAlpha

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: VideoLabPkg

Unit: VLApplyAlpha

Inherits: TVLCommonCombine

Contents 1 Syntax 1.1 Delphi: 1.2 C++ Builder: 1.3 Visual C++ (MFC): 1.4 C# (.NET): 2 Summary 3 Description 4 Pins 5 From TVLCommonCombine 6 Properties 6.1 Published 7 From TVLMultiInput 8 Properties 8.1 Published 9 Pins

Syntax

Delphi:

type TVLApplyAlpha = class( TVLCommonCombine )

C++ Builder:

class TVLApplyAlpha : public TVLCommonCombine

Visual C++ (MFC):

class CTVLApplyAlpha : public CTVLCommonCombine

C# (.NET):

public ref class TVLApplyAlpha : Mitov.VideoLab.CommonCombine

Summary

Applies an Alpha channel over the image.

Description

Use this component to apply an Alpha channel over the over the video frames.

Diagram:

Pins

• InputPin - The Video Input Pin of the component.
• AlphaInputPin - The Alpha Channel Video Input Pin of the component.

From TVLCommonCombine

Properties

Published

• FrameSize - The rules to be used to calculate the size of the output frame.
• Offset - The X,Y offset between the two source images.
• StartIfNotAllRunning - Specifies if the component can start if not all inputs have started.
• BackgroundColor - The color of the area in the image not covered by any of the input images (The remaining area.).

From TVLMultiInput

Properties

Published

• AfterStop - Specifies the mixer behavior after the input streams have stopped.
• VideoFormat - Specifies the output video format for the component.
• Threading - Specifies the desired threading settings for the filtering.

Pins

• OutputPin - The Video Output Pin of the component.