Permissions-Policy: speaker-selection directive
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The HTTP Permissions-Policy header speaker-selection directive controls whether the current document is allowed to enumerate and select audio output devices (speakers, headphones, and so on).
Specifically, where a defined policy blocks use of this feature:
MediaDevices.enumerateDevices()won't return devices of type audio output.MediaDevices.selectAudioOutput()won't display the popup for selecting an audio output, and the returnedPromisewill reject with aDOMExceptionof typeNotAllowedError.HTMLMediaElement.setSinkId()andAudioContext.setSinkId()will throw aNotAllowedErrorif called for an audio output.
Syntax
http
Permissions-Policy: speaker-selection=<allowlist>;
<allowlist>-
A list of origins for which permission is granted to use the feature. See
Permissions-Policy> Syntax for more details.
Default policy
The default allowlist for speaker-selection is self.
Specifications
This feature does not appear to be defined in any specification.Browser compatibility
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