Components

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Packages

Package	Contents
OpenCV5.dpk	core + runtime components
OpenCV5Vcl.dpk	TcvViewVcl
OpenCV5Fmx.dpk	TcvViewFmx
OpenCV5Design.dpk	Object Inspector editors (IDE only)

Build: Delphi packages. Without OpenCV5Design.bpl, the component itself does not appear in Source / SourceA / SourceB dropdowns.

IDE palette

Palette	Components
OpenCV 5	TcvCamera, TcvVideoFile, TcvFaceDetector, TcvFaceRecognizer, TcvPipeline, TcvMultiplexer
OpenCV 5 VCL	TcvViewVcl
OpenCV 5 FMX	TcvViewFmx

Data flow

TcvCamera ──► TcvPipeline ──► TcvViewVcl
                  ▲
TcvVideoFile ─────┘

• TcvCamera — source; Source property is not used.
• TcvPipeline.Source → camera or another frame source.
• TcvViewVcl.Source / TcvViewFmx.Source → pipeline or camera.
• Enabled on the camera starts capture.

Preview in code: Cookbook → VCL/FMX

TcvMultiplexer (MUX)

Two inputs (SourceA, SourceB), one output.

Property	Description
Mode = mmFallback	if the selected input is empty, use the other (A↔B)
Mode = mmStrict	selected input only
OnSelectInput	set SelectedInput: 0 = A, 1 = B

Frames from SourceA trigger OnSelectInput and downstream delivery; SourceB updates its buffer and in mmFallback may trigger output if A has not delivered a frame yet.

Example: Test/Utit2 — TcvCamera → two TcvPipeline → TcvMultiplexer → TcvViewVcl; a checkbox switches input in OnSelectInput.

Frame processing in pipeline: TcvPipeline