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Re: [mediacapture-record] Add replaceTrack method to MediaStream (#167)

From: Jan-Ivar Bruaroey via GitHub <sysbot+gh@w3.org>
Date: Thu, 12 Sep 2019 20:50:13 +0000
To: public-webrtc-logs@w3.org
Message-ID: <issue_comment.created-531000838-1568321411-sysbot+gh@w3.org>
I've been pondering whether this is going to work right with resolution changes. Does Chrome let you record a remote track that changes resolution? AFAIK Firefox doesn't allow recording of remote tracks period.

I also did this [demo page](https://jan-ivar.github.io/dummy/replace-track.html) where I remove a stream's video track and add a different video track on the same event loop (the API alternative I mentioned). This causes `UnknownError` from MediaRecorder in Firefox. In Chrome there's no error, but I don't see a recording (maybe autoplay restrictions interfering?) cc @Pehrsons 

Just wanted to share what I'd tried.




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Received on Thursday, 12 September 2019 20:50:41 UTC

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