Merged master

README.md

@@ -60,6 +60,11 @@ The following APIs need to be implemented in your browser:
 In addition to the APIs mentioned above:
 - [MediaDevices](http://caniuse.com/#feat=stream)
 
+__Important:__ Accessing `getUserMedia` requires a secure origin in most
+browsers, meaning that `http://` can only be used on `localhost`. All other
+hostnames need to be served via `https://`. You can find more information in the
+[Chrome M47 WebRTC Release Notes](https://groups.google.com/forum/#!topic/discuss-webrtc/sq5CVmY69sc).
+
 ## <a name="installing">Installing</a>
 
 QuaggaJS can be installed using __npm__, __bower__, or by including it with

package.json

@@ -1,6 +1,6 @@
 {
   "name": "quagga",
-  "version": "1.0.0-beta.1",
+  "version": "1.0.0-beta.2",
   "description": "An advanced barcode-scanner written in JavaScript",
   "main": "lib/quagga.js",
   "browser": "dist/quagga.min.js",
@@ -109,6 +109,6 @@
     "lodash": "^4.6.1",
     "ndarray": "^1.0.18",
     "ndarray-linear-interpolate": "^1.0.0",
-    "webrtc-adapter": "^1.3.0"
+    "webrtc-adapter": "^2.0.2"
   }
 }

src/input/camera_access.js

@@ -1,4 +1,4 @@
-import {merge, pick, omit} from 'lodash';
+import {pick} from 'lodash';
 
 var streamRef;
 
@@ -32,7 +32,10 @@ function waitForVideo(video) {
  * @param {Object} video
  */
 function initCamera(video, constraints) {
-    return navigator.mediaDevices.getUserMedia(constraints)
+    if (navigator.mediaDevices
+            && typeof navigator.mediaDevices.getUserMedia === 'function') {
+        return navigator.mediaDevices
+            .getUserMedia(constraints)
             .then((stream) => {
                 return new Promise((resolve) => {
                     streamRef = stream;
@@ -46,6 +49,8 @@ function initCamera(video, constraints) {
             })
             .then(waitForVideo.bind(null, video));
     }
+    return Promise.reject(new Error('getUserMedia is not defined'));
+}
 
 function deprecatedConstraints(videoConstraints) {
     const normalized = pick(videoConstraints, ["width", "height", "facingMode",
@@ -63,47 +68,16 @@ function deprecatedConstraints(videoConstraints) {
     return normalized;
 }
 
-function applyCameraFacing(facing, constraints) {
-    if (typeof constraints.video.deviceId === 'string' && constraints.video.deviceId.length > 0) {
-        return Promise.resolve({
-            ...constraints,
-            video: {
-                ...omit(constraints.video, "facingMode")
-            }
-        });
-    } else if (!facing) {
-        return Promise.resolve(constraints);
-    }
-    if ( typeof MediaStreamTrack !== 'undefined' &&
-            typeof MediaStreamTrack.getSources !== 'undefined') {
-        return new Promise((resolve) => {
-            MediaStreamTrack.getSources((sourceInfos) => {
-                const videoSource = sourceInfos.filter((sourceInfo) => (
-                    sourceInfo.kind === "video" && sourceInfo.facing === facing
-                ))[0];
-                if (videoSource) {
-                    return resolve(merge({}, constraints,
-                        {video: {deviceId: videoSource.id}}));
-                }
-                return resolve(constraints);
-            });
-        });
-    }
-    return Promise.resolve(merge({}, constraints, {video: {facingMode: facing}}));
-}
-
 function pickConstraints(videoConstraints) {
-    const constraints = {
+    return {
         audio: false,
         video: deprecatedConstraints(videoConstraints)
     };
-    return applyCameraFacing(constraints.video.facingMode, constraints);
 }
 
 export default {
     request: function(video, videoConstraints) {
-        return pickConstraints(videoConstraints)
+        return initCamera(video, pickConstraints(videoConstraints));
-            .then(initCamera.bind(null, video));
     },
     release: function() {
         var tracks = streamRef && streamRef.getVideoTracks();

test/spec/camera_access.spec.js

@@ -91,37 +91,6 @@ describe("CameraAccess", () => {
             });
         });
 
-        describe('facingMode fallback in Chrome', () => {
-            beforeEach(() => {
-                window.MediaStreamTrack.getSources = (cb) => {
-                    return cb([
-                        {kind: "video", facing: "environment", id: "environment"},
-                        {kind: "audio", id: "audio"},
-                        {kind: "video", facing: "user", id: "user"}
-                    ]);
-                };
-            });
-
-            afterEach(() => {
-                window.MediaStreamTrack = {};
-            });
-
-            it("should set deviceId in case facingMode is not supported", (done) => {
-                CameraAccess.request(video, {
-                    facing: "user"
-                })
-                .then(function () {
-                    const call = navigator.mediaDevices.getUserMedia.getCall(0),
-                        args = call.args;
-                    expect(call).to.be.defined;
-                    expect(args[0].video.facingMode).not.to.be.defined;
-                    expect(args[0].video.deviceId).to.equal("user");
-                    done();
-                });
-            });
-        });
-
-        describe('release', function () {
         it('should release the camera', function (done) {
             CameraAccess.request(video, {})
             .then(function () {
@@ -133,7 +102,6 @@ describe("CameraAccess", () => {
             });
         });
     });
-    });
 
     describe('failure', function() {
         describe("permission denied", function(){