FrameCast

FrameCast is a real-time LAN screen streaming system built with .NET. It captures the screen, compresses frames using JPEG, and streams them through a local TCP server to clients connected on the same network.

FrameCast works in a similar spirit to remote desktop tools like AnyDesk and TeamViewer, but it is focused purely on screen streaming over a local network rather than full remote control.

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🎥 Project Demo

Tip

Click the image above to watch the full demo video

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Features

• Real-time screen capture
• JPEG frame compression
• TCP-based streaming
• Local network (LAN) support
• Multiple client connections
• desktop viewer

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Architecture

FrameCast
│
├── FrameCast.App               # Desktop viewer (UI client)
├── FrameCast.Capture.Windows   # Windows screen capture
├── FrameCast.Core              # Shared core abstractions
├── FrameCast.Encoding          # JPEG frame compression
├── FrameCast.Protocol          # Frame message structure
├── FrameCast.Transport         # TCP networking layer
└── FrameCast.Server            # Streaming server

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How It Works

1. The server captures the screen.
2. Frames are compressed into JPEG.
3. Frames are sent over TCP.
4. The server broadcasts frames to connected clients.
5. Clients receive and render the stream.

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Running the Project

Start the Streaming Server

dotnet run src/FrameCast.Server

Start the Viewer

dotnet run src/FrameCast.App

Connect using the server machine's LAN IP.

Example:

Server IP: 192.168.1.6
Port: 5000

Both machines must be connected to the same local network.

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License

This project is licensed under the MIT License - see the LICENSE file for details.