3.0.2 • Published 3 years ago

webcam-easy-v2 v3.0.2

Weekly downloads
-
License
MIT
Repository
github
Last release
3 years ago

Webcam Easy JS

ใช้ Web Cam ได้ 2 Options

Todo

DONE Capture High Res Image *** เกี่ยวกับ วิธี Init Div Video see http://jsfiddle.net/kg0q815f/31/ for capturing mechanic test (try chaning zoom and video size) DONE Set Vdo CSS to match capture size DONEScale (Zoom) Video's Div to match screen size DONE On Capturing Change Canvas Size Corresponding to new Video Size

This getUserMedia on <= iOS14.4 with WKWebView (Chrome IOS, In APP Facebook) will have NotAllowedError https://stackoverflow.com/questions/65919160/getusermedia-on-ios-14-4-with-wkwebview-still-produces-a-notallowederror

For OWN Webview App There are some fix (not tested) By adding the props

allowInlineMediaPlayback={true} mediaPlaybackRequiresUserAction={false}

https://github.com/react-native-webview/react-native-webview/issues/1672#issuecomment-834224821

Feature หลัก

  • Take Photo

1. webcam-flippable

Display list of user media that user can use then let user flip/select camera themself

Feature
  • Filter out known Media label that not compatible for facing parameters
  • Use facingMode = "any" to display all media to user
  • Rotate to next media automatically if system can't access to specific media stream (This may prompt another permission request to user)

2. webcam-user

This will open default user facing camera

Feature
  • flip left/right as an option in flipImage

This is a javascript library for accessing webcam stream and taking photos.

You can easily add it as a module to your own app.

  • Streaming webcam on desktop computer or mobile
  • Switch back or front cameras on mobile
  • Take pictures and be able to download.

Live Demo

https://mobile-web-camera-poc.web.app/Camera

demo

How to publish with github package manager

  1. Create AuthToken in github account (allow repository read and/or write). https://github.com/settings/tokens
  2. Login to npm in your machine with the script below, use AuthToken as your password.
    $ npm login --registry=https://npm.pkg.github.com
    > Username: USERNAME
    > Password: TOKEN
    > Email: PUBLIC-EMAIL-ADDRESS
  3. Use npm run release -- -p 'notes' (-p patch, -m minor, -M major) to re-build and publish the code to repository, this will automatically increase version and tag it in Github repository.

How to npm install github package manager

  1. Add .npmrc file to your package root folder and add this line
    @adapterdigital:registry=https://npm.pkg.github.com/adapterdigital
  2. You can now use npm i @adapterdigital/package-name

Build

This will build and copy /dist files and copy it to ../vue3-camera-lab/src/lib for testing purpose

npm run build

Release

Publish to npm

MAC

#patch version increase
npm run release -- -p 'comment'
#minor version increase
npm run release -- -m 'comment'
#Major version increase
npm run release -- -M 'comment'

WINDOWS

#patch version increase
npm run win-release -- -p 'comment'
#minor version increase
npm run win-release -- -m 'comment'
#Major version increase
npm run win-release -- -M 'comment'

Installation

Use Git Clone

git https://github.com/adapterdigital/webcam-easy-v2.git

OR Use NPM

npm install @adapterdigital/webcam-easy-v2

Usage

1. Import into javascript

//Flippable
import {FlippableWebCamera} from '@adapterdigital/webcam-easy-v2';
//User
import {UserWebCamera} from '@adapterdigital/webcam-easy-v2';

2. Place elements in HTML

<video id="webcam" autoplay playsinline width="640" height="480"></video>
<canvas id="canvas" class="d-none"></canvas>
<audio id="snapSound" src="audio/snap.wav" preload = "auto"></audio>

3. Call constructor in javascript

const webcamElement = document.getElementById('webcam');
const canvasElement = document.getElementById('canvas');
const snapSoundElement = document.getElementById('snapSound');
//flippable
const webcam = new FlippableWebCamera(webcamElement, 'user', canvasElement, snapSoundElement);
//user
const webcam = new UserWebCamera(webcamElement, true, canvasElement, snapSoundElement);

//bind this to UI (Only Flippable)
function cameraFilp() {
    if(webcamDom.webcamCount > 1){
      await webcamDom.flip();
    }
}

4. Start Webcam

webcam.start()
   .then(result =>{
      console.log("webcam started");
   })
   .catch(err => {
       console.log(err);
       if (err.message && err.message.toLowerCase().indexOf("not supported browser") !== -1) {
          // check ios / android here!
          alert(err.toString());
        } else {
          // user denied or no matched media
        }
   });
//or
try {
  await webcam.start();
  console.log("webcam started");
} catch(err) {
  console.log(err);
  if (err.message && err.message.toLowerCase().indexOf("not supported browser") !== -1) {
    // check ios / android here!
    alert(err.toString());
  } else {
    // user denied or no matched media
  }
}

5. Take Photo

var picture = webcam.snap();
//or
var picture = webcam.snap(0.3);//0.3 Mega pixel snap!!
var picture = webcam.snap(8);//8 Mega pixel snap!!

6. Stop Webcam

webcam.stop();

Functions

  • start(startStream) : start streaming webcam
    • get permission from user
    • get all video input devices info (Flippable)
    • select camera based on facingMode (Flippable)
    • start stream
  • stop() : stop streaming webcam

  • dispose() : should call this to dispose when change view this will stop()

  • stream() : start streaming webcam to video element

  • snap() : take photo from webcam

  • flip() (Only Flippable) : change Facing mode and selected camera

  • unBindingDebugger() : Unbind debugger

  • bindDebugger(binder:(message:string)=>any) : bind debugger

Properties

  • facingMode : 'user', 'enviroment', 'left', 'right', 'any' (Only Flippable)
  • webcamList : all available camera device (Only Flippable)
  • webcamCount : number of available camera device (Only Flippable)
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