MediaStreamTrack Stats (Video)

Category: JavaScript
Type: Chromium catches up
Status: Enabled by default (Chrome 120)
Intent stage: None

Breaking change: No
Enterprise impact: None
Spec maturity: Working draft
Web Platform Tests: Yes

WPT details: https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/web_tests/external/wpt/mediacapture-extensions/MediaStreamTrack-video-stats.https.html

Summary

An API that exposes frame counters (delivered, discarded, total) for MediaStreamTracks of kind video. Audio stats will be covered by a separate chrome feature launch.

Standards & signals

Specification: https://w3c.github.io/mediacapture-extensions/#mediastreamtrack-statistics
Firefox: Positive
Safari: No signal
Web developers: Positive — Requested by Google Meet developers
Tracking bug: https://crbug.com/1472978

Ecosystem

Web Platform Tests: https://wpt.fyi/results/?q=mediastreamtrack-stats-video
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+MediaStreamTrack%20Stats%20(Video)
MDN Web Docs: https://developer.mozilla.org/en-US/search?q=MediaStreamTrack%20Stats%20(Video)
Baseline status: https://webstatus.dev/?q=MediaStreamTrack%20Stats%20(Video)

View on chromestatus.com