[webkit-dev] Position on emerging standard: WebCodecs

2020-04-29 Thread Dan Sanders
Hello,

I'm reaching out to see if WebKit would like to weigh in on the
WebCodecs WICG proposal:
https://discourse.wicg.io/t/webcodecs-proposal/3662.

The WebCodecs API enables web developers to instantiate codecs
(audio/video encoders/decoders) and use them to process individual
frames.

There is a related proposal for image decoders; it enables access to
individual animation frames:
https://discourse.wicg.io/t/proposal-imagedecoder-api-extension-for-webcodecs/4418.

An implementation of these APIs is being developed in Chromium.


Thank you,

Dan Sanders
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[webkit-dev] Exposing FeaturePolicy to the web

2020-04-29 Thread Sergio Villar Senin
Hi,

WebKit currently implements the feature policy mechanism[1] to allow
developers/sites to enabled/disable certain features and/or browser
APIs like geolocation or access to camera among others.

While implementing the WebXR API I realized that we are not exposing[2]
the values of feature policies to the web. I was wondering whether that
was made on purpouse (fingerprinting?, privacy?...) or it is just
because the use cases were not considered relevant enough to implement
it. I haven't found any bug tracking that.

BR

[1] https://w3c.github.io/webappsec-feature-policy
[2] https://w3c.github.io/webappsec-feature-policy/#the-policy-object

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