WebRTC Insertable Streams

Category: WebRTC
Type: New or changed feature
Status: Enabled by default (Chrome 86)
Intent stage: Start prototyping

Breaking change: No
Enterprise impact: None
Spec maturity: Unknown status
Web Platform Tests: Yes

WPT details: https://wpt.fyi/results/webrtc-insertable-streams?label=experimental&label=master&aligned

Summary

This API enables the insertion of user-defined processing steps in the encoding and decoding of a WebRTC MediaStreamTrack.

Motivation

Allow applications to insert custom data processing. A specific use case we want to support is end-to-end encryption of the encoded data transferred between RTCPeerConnections via an intermediate server.

Standards & signals

Specification: https://github.com/w3c/webrtc-encoded-transform/pull/111
Firefox: Positive
Safari: Positive
Web developers: Positive
Tracking bug: https://crbug.com/1052765

Ecosystem

Web Platform Tests: https://wpt.fyi/results/?q=webrtc-insertable-streams
Chrome Platform Showcase: https://chrome-platform-showcase.paulkinlan-ea.deno.net/features
GenDN reference: https://gendn.paulkinlan-ea.deno.net/features
chrome.dev demos search: https://www.google.com/search?q=site%3Achrome.dev+WebRTC%20Insertable%20Streams
MDN Web Docs: https://developer.mozilla.org/en-US/search?q=WebRTC%20Insertable%20Streams
Baseline status: https://webstatus.dev/?q=WebRTC%20Insertable%20Streams

Docs: https://github.com/w3c/webrtc-insertable-streams

Explainers: https://github.com/w3c/webrtc-insertable-streams/blob/master/explainer.md

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