mediasoup

mediasoup.org · checked 5 Oct 2026

#2 · Video APIs

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How it plugs in

—Public API

NoOpen source

YesFree tier

Signal on Video APIs6.7#2 of 35

mediasoup is a Selective Forwarding Unit for building multi-party video conferencing and real-time streaming applications.

Pricing

mediasoupOpen-source software · no hosted plan or usage limits statedFree

As mediasoup.org lists them, checked 5 Oct 2026.

Near it

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Runs on

Web
Windows
Mac
Linux
iOS
Android

Facts

Website: mediasoup.org
Price: Free tier
Free trial: No
Client libraries: The project provides mediasoup-client, a JavaScript library, and libmediasoupclient, a C++ library, for browser and device applications.
Codec constraint: mediasoup does not transcode, so peers in a room need to share a common subset of audio and video codecs.
Deployment: The project describes itself as a low-level media-layer component intended for integration into applications, including group video chat, real-time broadcasting, and RTP streaming.
Features: The site lists simulcast, SVC, and transport bandwidth estimation (BWE) among its features.
Integrations: The site says mediasoup can be used with multimedia tools such as FFmpeg and GStreamer.
License: The project is distributed under the ISC License, which permits use, copying, modification, and distribution with or without fee subject to the stated notice condition.
Maintainers: The about page describes mediasoup as made by a small team and names Iñaki Baz Castillo and José Luis Millán as authors.
Media handling: It receives audio and video streams from endpoints and relays them to other endpoints, which can select the streams and spatial or temporal layers they receive.
Performance design: The SFU design does not transcode or mix media and is described as requiring fewer resources, with higher throughput and lower latency than a mixer.
Protocols: It supports WebRTC and plain RTP input and output, and leaves signaling protocol choices to the application developer.
Security and warranty: The ISC license page states that the software is provided as-is and disclaims warranties and liability for damages.
Server options: mediasoup can be used as a Node.js module or Rust crate and integrated into a larger application.

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