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Re: [mediacapture-main] Support capturing audio output from sound card (#629)

From: Jan-Ivar Bruaroey via GitHub <sysbot+gh@w3.org>
Date: Thu, 19 Dec 2019 18:23:26 +0000
To: public-webrtc-logs@w3.org
Message-ID: <issue_comment.created-567605344-1576779805-sysbot+gh@w3.org>
From https://github.com/w3c/mediacapture-main/pull/651#issuecomment-567561870:
> @jan-ivar How do you suggest to proceed to specify that audio output can be captured?

I don't think mediacapture-main should specify generic capture of audio output from a browser or document without the context of a compelling user problem that it best solves.

Especially not to work around another web API failing to provide adequate access┬╣ to audio it generates, to solve a use case that seems reasonable in that spec's domain.

Instead, I'd ask that API to solve it without workarounds. Feel free to refer to https://github.com/mozilla/standards-positions/issues/170#issuecomment-509873541.

The audio capture support in `getDisplayMedia` is not a good fit, as it's A) aimed at the screen-sharing use-case B) optional, and C) solely complementary to video.

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<sub>1. In the form of a `MediaStreamTrack` or otherwise. A precedent here is [MediaStreamAudioDestinationNode](https://webaudio.github.io/web-audio-api/#mediastreamaudiodestinationnode) which gives JS a track with web audio.


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Received on Thursday, 19 December 2019 18:23:28 UTC

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