On 3/14/22 1:30 PM, 'Johannes Kron' via blink-dev wrote:
Contact emails
k...@google.com
Explainer
https://github.com/drkron/media-capabilities/blob/webrtc_examples/explainer.md#webrtc
https://github.com/w3c/media-capabilities/pull/191
Specification
https://w3c.github.io/media-capabilities/
Summary
Extends the MediaCapabilities API to support WebRTC streams. The
MediaCapabilities API helps websites to make informed decisions on
what codec, resolution, etc. to use for video playback by providing
information about whether a configuration is supported and also
whether the playback is expected to be smooth. This feature extends
the MediaCapabilities API to also include WebRTC streams.
Blink component
Blink>Media>Capabilities
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EMedia%3ECapabilities>
TAG review
This is a straightforward extension of an existing API.
TAG review status
Not applicable
Risks
Interoperability and Compatibility
Gecko: Positive (https://www.w3.org/2011/04/webrtc/wiki/December_02_2020)
Could you please request a more formal position at
https://github.com/mozilla/standards-positions?
WebKit: Shipped/Shipping
(https://webkit.org/blog/12033/release-notes-for-safari-technology-preview-134/)
Web developers: No signals
Other signals:
WebView Application Risks
Does this intent deprecate or change behavior of existing APIs, such
that it has potentially high risk for Android WebView-based applications?
No.
Debuggability
N/A
Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md>?
Yes
Flag name
MediaCapabilitiesWebRtc
Requires code in //chrome?
False
Tracking bug
https://crbug.com/1187565
Launch bug
https://crbug.com/1170306
Measurement
Two UseCounters have been added:
WebFeature::kMediaCapabilitiesDecodingInfoWebrtc and
WebFeature::kMediaCapabilitiesEncodingInfoWebrtc. See
https://chromium-review.googlesource.com/c/chromium/src/+/3494617
Non-OSS dependencies
Does the feature depend on any code or APIs outside the Chromium open
source repository and its open-source dependencies to function?
No.
Estimated milestones
No milestones specified
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/6242376685191168
Links to previous Intent discussions
Intent to prototype:
https://groups.google.com/a/chromium.org/g/blink-dev/c/lE1qySPAEMs/m/29OgzgyoAgAJ
Intent to Experiment:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAFJBoCR3marbZsVSOmeimizJY9Q%3DbTp0PCfaNawn3XZuXkmvNA%40mail.gmail.com
<https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAFJBoCR3marbZsVSOmeimizJY9Q=btp0pcfanawn3xzuxkm...@mail.gmail.com>
This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.
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