Class VLVideoMixer.TVLVideoMixer

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Revision as of 20:29, 10 June 2013

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Package: VideoLabPkg

Unit: VLVideoMixer

Inherits: TVLMultiInput

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 PinLists 6 From TVLMultiInput 7 Properties 7.1 Published 8 Pins

Syntax

Delphi:

type TVLVideoMixer = class( TVLMultiInput )

C++ Builder:

class TVLVideoMixer : public TVLMultiInput

Visual C++ (MFC):

class CTVLVideoMixer : public CTVLMultiInput

C# (.NET):

public ref class TVLVideoMixer : Mitov.VideoLab.MultiInput

Summary

Mixes multiple video streams.

Description

Use this component to mix multiple images delivered via InputPins by performing the operation selected by CombineOperation property of each channel : coAdd, coSubtract, coMultiply, coDivide, coOr, coAnd, coXor, coAbsDiff, or coCopy.

Diagram:

Example:

Original Image 1:	Original Image 2:
Add: 1 + 2	Subtract: 1 - 2
Multiply: 1 * 2	Divide: 1 / 2
And: 1 and 2	Or: 1 or 2
Xor: 1 xor 2	AbsDiff: Abs( 1 - 2 )

Properties

Published

• BackgroundColor - Specifies the background color to be used for the output frame.
• Channels - Collection of video channels for the mixer.
• FrameSize - Specifies how the output frame size will be calculated.
• StartIfNotAllRunning - Specifies if the component should stop playing after all the streams are finished.

PinLists

• InputPins - The Video Input Pins of the component.

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.