Streamdelay-GUI

Streamdelay-GUI is a lightweight, self-hosted web control panel for managing the streamdelay service. It provides a clean, responsive interface for controlling stream state, censorship mode, safety delays, and YouTube output configuration.

The project is designed for local or server-side deployment, typically on Linux systems, and integrates directly with the streamdelay backend via its local HTTP API.

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Key Features

• Web-based GUI for streamdelay
• Start / Stop stream control
• Censor ON / OFF toggle with enforced safety delay
• Visual safety delay progress bar
• Automatic button locking during safety delay
• YouTube Stream Key management via GUI
• Automatic restart of streamdelay.service on configuration change
• OBS SRT output helper with copy button
• Responsive layout (desktop, mobile, tablet)
• Light / Dark / Auto theme support
• No JavaScript frameworks, no build step
• Designed to run behind Nginx or directly via Flask

Architecture Overview

Browser → Streamdelay-GUI (Flask) → streamdelay (local API) → systemd

YouTube Stream Key Handling

• Stored in /etc/streamdelay/out_uri.txt
• Masked in UI
• Restart of streamdelay.service after change
• UI locked until key is set

OBS Integration

Provides ready-to-use SRT output URL:

srt://<this-server-ip>:9000?mode=caller&latency=200000

Theme Support

• Auto (system)
• Light
• Dark

Stored in localStorage and applied instantly.

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Installation

git clone https://github.com/marcinmajsc/streamdelay-gui.git --recursive
cd streamdelay-gui && sudo bash deploy/install_ubuntu_24.04.sh

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Acknowledgements

• marcinmajsc - Author
• streamwall - The maker backend base package streamdelay (Thanks! ❤️)

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Licensing

This project is released under a dual-license model.

Free Use (Non-Commercial & Open Source)

You may use, modify, and share this software free of charge if all of the following apply:

• the use is non-commercial
• the project is open-source or run by a non-profit organization
• there is no SaaS, hosting, or revenue generation
• the software is not used internally by a for-profit company
• all author and license notices are preserved

Commercial Use

A commercial license is required for any use that involves:

• SaaS, cloud, or hosted services
• internal use within a for-profit company
• paid products, services, or integrations
• consulting or contractor work
• any activity that provides direct or indirect commercial value

Notes

• This is not an OSI-approved open-source license
• If in doubt whether your use is commercial — it probably is