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ImageCapture support for exposureTime constraint

Category

Multimedia

Type

New or changed feature

Status

Enabled by default (Chrome 71)

Intent stage

None

Summary

Image Capture API has a means to set exposureMode to manual which is not useful if you cannot set the exposure time (aka shutter speed, aka exposure duration). This change provides an interface for getting the exposure time range values as well as setting the exposure time in time units.

Standards & signals

• Specification: https://w3c.github.io/mediacapture-image/#dom-mediatrackcapabilities-exposuretime
• Firefox: No signal
• Safari: No signal
• Web developers: No signals
• Tracking bug: https://bugs.chromium.org/p/chromium/issues/detail?id=823316

Docs: https://github.com/w3c/mediacapture-image/issues/199 https://github.com/w3c/mediacapture-image/pull/200

Samples: https://codepen.io/rijuB/pen/eKwLXB

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