easy-camera-svelte

Introducing a user-friendly library for camera features in Svelte! This library provides a hassle-free way to capture both images and videos. With its intuitive controls such as start, stop, play, pause, captureImage, startVideoRecording, stopVideoRecording, autoOpen camera, mirrorDisplay, you can effortlessly customize your camera settings. The best part? This library does not require any additional dependencies.

Screenshot

Demo

Live demo

Install

npm install @cloudparker/easy-camera-svelte --save-dev

Sample

<script lang="ts">
	import EasyCamera from '$lib';
	let width = 600;
	let camera: EasyCamera;
	let mirrorDisplay = true;

	const handleImage = async () => {
		let imageData = await camera.captureImage();
		console.log(imageData);
	};

	const handleVideo = async () => {
		let blob = await camera.startVideoRecording();
		if (blob) {
			const url = URL.createObjectURL(blob);
			const a = document.createElement('a');
			a.href = url;
			a.download = 'video.mp4';
			document.body.appendChild(a);
			a.click();
		}
	};
</script>

<div>
	<EasyCamera bind:width style="border-radius:5px;" bind:this={camera} autoOpen bind:mirrorDisplay />
</div>

<button class="" type="button" on:click={() => camera.open()}>Start Camera</button>
<button class="" type="button" on:click={() => camera.close()}>Stop Camera</button>
<button class="" type="button" on:click={() => camera.pause()}>Pause</button>
<button class="" type="button" on:click={() => camera.resume()}>Resume</button>
<button class="" type="button" on:click={() => (mirrorDisplay = !mirrorDisplay)}>
	{mirrorDisplay ? 'Disbale' : 'Enable'} Mirror Display
</button>
<button class="" type="button" on:click={handleImage}>Capture Image</button>
<button class="" type="button" on:click={handleVideo}>Start Video recording</button>
<button class="" type="button" on:click={()=> camera.stopVideoRecording()}>Stop Video recording</button>

Props

width: number

Default: 340

Set width of the camera view, it automatically adjust the height of camra view based on the camera aspect ratio.

style: string

Style of the video view or camra view

mirrorDisplay: boolean

Default: true

Enable or Disable mirror display of the video

useFrontCamra: boolean

Default: true

Use front camera while lunching the camera view

useAudio: boolean

Default : true

User audio in video recording.

needFrames: boolean

Default : false

Incase you need all video frame data in the form of ImageData enable this option. The frame data will be publish on:frame event.

Events

on:init

Trigger when camra init, return all camera devide infos array.

on:video

Trigger when video recording stop, it return a video Blob data.

on:startVideoRecording

Trigger whhen video recording start

on:stopVideoRecording

Trigger when video Recording Stopped.

on:image

Triggered when image captured done, retrun with ImageData object or base64 image data, based on user request.

on:open

Trigger when camera oppend.

on:close

Trigger when camra closed/stopped.

on:pause

Trigger when camera paused.

on:resume

Trigger when camera resumed.

on:frame

Trigger everytime a frame rendered, it will call very frequently with ImageData object. Use the frame data for your external use.

Methods

open(): void

Open camera.

close(): void

Close camera.

pause(): void

Pause camera.

resume(): void

Resume camra.

startVideoRecording(): Promise

Start video recording and return video data Blob format.

stopVideoRecording(): video

Stop video recording

captureImage(isImageData?: boolean): Promise<ImageData | string | null>

Capture Image using camera. Pass isImageData when required ImageData instead of base64.

isRecording(): boolean

Check is recording .

switchCamera(deviceId?: string): void

Request to switch camera.

getCamraDevices(): Promise<MediaDeviceInfo[]>

Get all camera devices array