> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# setVideoInputDeviceConstraints

> Updates the video input track constraints for the active call.

```ts
setVideoInputDeviceConstraints(constraints): Promise<boolean>
```

Updates the video input track constraints for the active call.

## **Parameters**

**`constraints`** `MediaTrackConstraints` — required

Media-track constraints to apply to the current video input. See [`MediaTrackConstraints`](https://developer.mozilla.org/en-US/docs/Web/API/MediaTrackConstraints).

---

## **Returns**

`Promise<boolean>` — whether the constraints reached the media the call is sending.

`false` is an outcome, not an error: the leg may have no live sender of that kind, or may carry media the SDK did not capture and may not replace (an `inputAudioStream`/`inputVideoStream` you supplied, a display capture, or pipeline output). Any failure behind a `false` is also reported on [`call.errors$`](/docs/browser-sdk/v4/reference/webrtc-call/errors\$), so a caller that ignores the return value still learns of it there. A UI that reflects the change must read it.

## **Examples**

```ts
await selfParticipant.setVideoInputDeviceConstraints(constraints);
```

> Updates the video input track constraints for the active call.