On Tue, May 2, 2023 at 4:29 PM 'Tony Herre' via blink-dev < [email protected]> wrote:
> Contact emails > > [email protected], [email protected] > > Spec > https://w3c.github.io/webrtc-encoded-transform/#RTCEncodedVideoFrameMetadata > particularly > PR#173 <https://github.com/w3c/webrtc-encoded-transform/pull/173>. > > > Summary > > Add a 'timestamp' field to RTCEncodedVideoFrameMetadata containing the > presentation timestamp of the associated encoded video frame. > > Is this feature supported on all six Blink platforms (Windows, Mac, Linux, > Chrome OS, Android, and Android WebView)? > > Yes > > Risks > > Interoperability and Compatibility > > Positive response from all members at W3C WebRTC WG April 2023 Interim, PR > landed with no open issues. > > Ergonomics > > Added specifically to align with the timestamp field on the WebCodecs > <https://www.w3.org/TR/webcodecs/#encodedvideochunk-interface> > EncodedVideoChunk > <https://www.w3.org/TR/webcodecs/#encodedvideochunk-interface>, and allow > matching video frames with the timestamp in the WebCodecs VideoFrame > <https://www.w3.org/TR/webcodecs/#videoframe-interface> object. > > Will also provide the same timestamp already exposed in > requestVideoFrameCallback's 'mediaTime'. > > Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md> > ? > > Tested internally by RTCEncodedVideoFrame-capture-timestamp-id.html > <https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/web_tests/fast/peerconnection/RTCEncodedVideoFrame-capture-timestamp-id.html>, > upstreaming to WPT tracked in crbug.com/1441888. > > > > Entry on the feature dashboard > > None, small delta to launched API. > I suspect this resulted in this intent not being captured in our tooling :/ +Jason Robbins <[email protected]> - FYI > -- > You received this message because you are subscribed to the Google Groups > "blink-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAArnMxH%2BNJKi80S4822wmjtQUqid8czA9AefCC_fm%3DHk3sTuiw%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAArnMxH%2BNJKi80S4822wmjtQUqid8czA9AefCC_fm%3DHk3sTuiw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAL5BFfVx6F4z%3D8F96f2HhV%3DgD281hWyNhfsZ15_8k-ww948QFg%40mail.gmail.com.
