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Re: [mediacapture-main] MediaStream in HTMLMediaElement: Does it have a first frame? (#555)

From: Eric Carlson via GitHub <sysbot+gh@w3.org>
Date: Wed, 12 Dec 2018 17:44:15 +0000
To: public-webrtc-logs@w3.org
Message-ID: <issue_comment.created-446677684-1544636654-sysbot+gh@w3.org>
> whatwg/media seems to say that MediaStreams do indeed have a first frame, and there are other types of streams that can be real-time and still have a first frame.
> This makes sense to me, and the logic checks out. Yet no major browser engine seems to load the first frame before playing, see [whatwg/html#4215 (comment)](https://github.com/whatwg/html/issues/4215#issuecomment-446558960).
I agree that a stream logically has a first frame, and I can't think of a reason to not render it. 

> Do people here know whether there's a rationale behind the current behavior, or if it's an oversight in the implementations?
> Firefox's behavior predates my time at Mozilla, so I cannot comment on the reasoning there. I'd be curious to hear the other vendors' arguments.

WebKit's behavior is an oversight. I have filed bug [192629](https://bugs.webkit.org/show_bug.cgi?id=192629) to change the behavior.

GitHub Notification of comment by eric-carlson
Please view or discuss this issue at https://github.com/w3c/mediacapture-main/issues/555#issuecomment-446677684 using your GitHub account
Received on Wednesday, 12 December 2018 17:44:17 UTC

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