- From: Eero Häkkinen via GitHub <sysbot+gh@w3.org>
- Date: Tue, 01 Sep 2020 10:57:11 +0000
- To: public-webrtc-logs@w3.org
> > ```js
> > navigator.mediaDevices.getUserMedia({video: {tilt: {}}});
> > ```
> > would select a tilt capable camera or fail with OverconstrainedError,
>
> That is probably what we want to avoid.
Not really. A web site should have an option to choose either way.
> If there is no PTZ camera, we probably want getUserMedia to resort to any other available camera (with a non PTZ prompt).
That could be achieved with hotfixed fitness distance by
```js
navigator.mediaDevices.getUserMedia({video: {advanced: [{tilt: {}}]}});
```
If there are no PTZ cameras, the advanced constraint `{tilt: {}}` were dropped because its fitness distance were positive infinity. As a result the only remaining constraint would be video thus any available camera would do.
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