@fishjam-cloud/react-client/dist/hooks/devices/useCamera.js

React client library for Fishjam

import { useContext, useMemo } from "react";
import { CameraContext } from "../../contexts/camera";
/**
 * This hook can toggle camera on/off, change camera, provides current camera and other.
 * @category Devices
 */
export function useCamera() {
    const cameraCtx = useContext(CameraContext);
    if (!cameraCtx)
        throw Error("useCamera must be used within CameraProvider");
    const { videoTrackManager, cameraManager } = cameraCtx;
    const cameraStream = useMemo(() => {
        const track = videoTrackManager.deviceTrack;
        if (!track)
            return null;
        return new MediaStream([track]);
    }, [videoTrackManager.deviceTrack]);
    return {
        /**
         * Toggles current camera on/off
         */
        toggleCamera: videoTrackManager.toggleDevice,
        /**
         * Stops the camera
         */
        stopCamera: videoTrackManager.stopDevice,
        /**
         * Starts the camera
         */
        startCamera: videoTrackManager.startDevice,
        /**
         * Selects the camera device
         */
        selectCamera: videoTrackManager.selectDevice,
        /**
         * @deprecated Use `currentCamera` and `isCameraOn` instead
         * Indicates which camera is now turned on and streaming
         */
        activeCamera: cameraManager.activeDevice,
        /**
         * Indicates which camera is now selected
         */
        currentCamera: cameraManager.selectedDevice,
        /**
         * Indicates whether the camera is streaming video
         */
        isCameraOn: !!cameraStream,
        /**
         * The MediaStream object containing the current stream
         */
        cameraStream,
        /**
         * The currently set camera middleware function
         */
        currentCameraMiddleware: videoTrackManager.currentMiddleware,
        /**
         * Sets the camera middleware
         */
        setCameraTrackMiddleware: videoTrackManager.setTrackMiddleware,
        /**
         * List of available camera devices
         */
        cameraDevices: cameraManager.deviceList,
        /**
         * Possible error thrown while setting up the camera
         */
        cameraDeviceError: cameraManager.deviceError,
    };
}