SimpleVideoCaptureViewer

Version 1.0. A small Windows utility for displaying a local video capture device in a window or full screen.

Release

The included release binary is:

release\SimpleVideoCaptureViewer.exe

This build includes a single-instance guard. If the app is already open, a second launch exits before trying to open the capture device. It also includes an embedded Windows application icon.

Controls

• Select a video capture device from the dropdown.
• Use Start / Stop to control preview.
• Use Full screen, double-click the video, press F11, or press Alt+Enter to toggle full screen.
• Press Esc to leave full screen.

Build

Install the .NET SDK with Windows Desktop support, then run:

.\build.ps1

The release executable will be copied to:

release\SimpleVideoCaptureViewer.exe

Notes

• Built with .NET 8 WinForms.
• Uses Windows DirectShow through COM interop.
• No third-party packages.
• No browser runtime.
• No FFmpeg dependency.
• No Python dependency.
• No telemetry, analytics, monitoring, or app network code.