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Review of Media Capture from DOM Elements API and MediaStream Recording API from Web Platform WG

From: Stefan Håkansson LK <stefan.lk.hakansson@ericsson.com>
Date: Sat, 2 Dec 2017 09:09:46 +0000
To: "adrianba@microsoft.com" <adrianba@microsoft.com>, "chaals@yandex-team.ru" <chaals@yandex-team.ru>, "tink@tink.uk" <tink@tink.uk>, "Web Applications Working Group WG (public-webapps@w3.org)" <public-webapps@w3.org>
CC: "webrtc-chairs@w3.org" <webrtc-chairs@w3.org>
Message-ID: <HE1PR07MB34182D2A266DA6BC3461A6DAC93E0@HE1PR07MB3418.eurprd07.prod.outlook.com>
Dear Web Platform Working Group,

The WebRTC Working Group is working toward publishing the Media Capture 
from DOM Elements API and the MediaStream Recording API as Candidate 
Recommendations and is therefore seeking review from a variety of groups 
of the documents:


We are particularly interested in feedback on the following aspects from 
the Web Platform Working Group:
- proper usage of WebIDL (both documents)
- the partial interfaces that extends the HTMLMediaElement interface 
defined in the HTML specification (-fromelement)
- the partial interface that extends the HTMLCanvasElement interface 
defined in the HTML specification (-fromelement)
- the use of blob (of the File API) for recorded content (-record)
- the similarity of canRecordMimeType to canPlay (-record)

We of course also welcome feedback on any other aspect of the specification.

We would appreciate to receive feedback before January 12, 2018. We hope
to request transition to Candidate Recommendation early next year for
both documents.

If you have any comments, we prefer that you submit them as Github
issues to:



Alternatively, you can send your comments by email to

For the WebRTC chairs,
Stefan Hakansson

Received on Saturday, 2 December 2017 09:10:15 UTC

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