VideoEncoderConfig.contentHint

Category: Multimedia
Type: Chromium catches up
Status: In development (Chrome In development)
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/webcodecs/video-encoder-content-hint.https.any.js

Summary

Adding a contentHint field to VideoEncoderConfig Content hint takes values that are already used for MediaStreamTrack: "motion", "text", "detail". This gives web developers a way to communicate to VideoEncoder the expected type video frames they intend to encode. Explainer: https://gist.github.com/Djuffin/c3742404b7c53ada227849c8b2b76b4c

Standards & signals

Specification: https://www.w3.org/TR/webcodecs/#dom-videoencoderconfig-contenthint
Firefox: No signal
Safari: Support
Web developers: Positive — RTC software vendors (including Google Meet) are interested in using it for screen sharing vs live cam scenarios.
Tracking bug: https://crbug.com/1493588

Ecosystem

Web Platform Tests: https://wpt.fyi/results/?q=videoencoderconfig-contenthint
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+VideoEncoderConfig.contentHint
MDN Web Docs: https://developer.mozilla.org/en-US/search?q=VideoEncoderConfig.contentHint
Baseline status: https://webstatus.dev/?q=VideoEncoderConfig.contentHint

Docs: https://gist.github.com/Djuffin/c3742404b7c53ada227849c8b2b76b4c https://github.com/w3ctag/design-reviews/issues/912

View on chromestatus.com