Hey there,
This Intent to Ship is missing a lot of what API OWNERs need to evaluate
before approving. You should be able to generate a template email from
Chromestatus - feel free to reach out to me privately if you can't
figure that out.
Also, in your chromestatus entry, please request approvals for the
Privacy, WP Security, Enterprise, Debuggability, and Testing bits, thanks.
thanks,
Mike
On 10/21/25 3:28 p.m., 'Anantanarayanan Iyengar' via blink-dev wrote:
Hi Blink Dev/Owners
I’d like to signal intent to ship the new field |rtpTimestamp| on
|VideoFrame.metadata()| as defined in the WebCodecs VideoFrame
Metadata Registry
<https://www.w3.org/TR/webcodecs-video-frame-metadata-registry/#dom-videoframemetadata>.
*
*
*What it adds:*
The |metadata().rtpTimestamp| field allows applications using
MediaStreamTrackProcessor for frame rendering to access the original
RTP timestamp of a decoded video frame.
*Status:*
• Chromium CLs and WPT tests have landed and merged.
• Tests are upstream in WPT PR 55392
<https://github.com/web-platform-tests/wpt/pull/55392>.
• Implementation behind
|--enable-blink-features=VideoFrameMetadataRtpTimestamp| flags has
been running in Canary.
• We intend to flip the default-on flag for milestone *M146*.
*
*
*Risk and monitoring:*
• API change is additive — existing code continues to function without
change.
• No known interoperability issues or security/privacy risks; full
Self-Review has been carried out.
• Monitoring via WPT pass rate, usage counters, and developer feedback
post-unlock.
*Rollout plan:*
• Flag flip to enabled-by-default in Chromium M146 (desktop and Android).
• No WebView / iOS surface at ship time; these inherit defaults later.
• No Finch experiment planned; will roll out to all users once approved.
*Requests for Owners:*
• Please review and approve the feature for the ship stage if it looks ok.
• Once approved, I will upload the flag flip CL and reference this intent.
Thanks
Ananta (Nvidia)
Bug/Feature tracker https://issues.chromium.org/issues/414545889
<https://issues.chromium.org/issues/414545889>
ChromeStatus entry https://chromestatus.com/feature/5186046555586560
<https://chromestatus.com/feature/5186046555586560>
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