Fixed bug in event-handling; Updated webrtc-adapter

src/common/events.js

@@ -50,10 +50,22 @@ export default (function() {
             var event = getEvent(eventName),
                 subscribers = event.subscribers;
 
-            event.subscribers = subscribers.filter(function(subscriber) {
+            // Publish one-time subscriptions
+            subscribers.filter(function(subscriber) {
+                return !!subscriber.once;
+            }).forEach((subscriber) => {
                 publishSubscription(subscriber, data);
+            });
+
+            // remove them from the subscriber
+            event.subscribers = subscribers.filter(function(subscriber) {
                 return !subscriber.once;
             });
+
+            // publish the rest
+            event.subscribers.forEach((subscriber) => {
+                publishSubscription(subscriber, data);
+            });
         },
         once: function(event, callback, async) {
             subscribe(event, {

src/input/camera_access.js

@@ -1,7 +1,6 @@
 import {merge, pick} from 'lodash';
 
-var streamRef,
-    loadedDataHandler;
+var streamRef;
 
 function waitForVideo(video) {
     return new Promise((resolve, reject) => {
@@ -35,13 +34,14 @@ function waitForVideo(video) {
 function initCamera(video, constraints) {
     return navigator.mediaDevices.getUserMedia(constraints)
     .then((stream) => {
-        return new Promise((resolve, reject) => {
+        return new Promise((resolve) => {
             streamRef = stream;
-            video.src = window.URL.createObjectURL(stream);
-            video.onloadedmetadata = (e) => {
+            video.setAttribute("autoplay", 'true');
+            video.srcObject = stream;
+            video.addEventListener('loadedmetadata', () => {
                 video.play();
                 resolve();
-            };
+            });
         });
     })
     .then(waitForVideo.bind(null, video));
@@ -51,13 +51,13 @@ function deprecatedConstraints(videoConstraints) {
     const normalized = pick(videoConstraints, ["width", "height", "facingMode",
             "aspectRatio", "deviceId"]);
 
-    if (typeof videoConstraints["minAspectRatio"] !== 'undefined' &&
-            videoConstraints["minAspectRatio"] > 0) {
-        normalized["aspectRatio"] = videoConstraints["minAspectRatio"];
+    if (typeof videoConstraints.minAspectRatio !== 'undefined' &&
+            videoConstraints.minAspectRatio > 0) {
+        normalized.aspectRatio = videoConstraints.minAspectRatio;
         console.log("WARNING: Constraint 'minAspectRatio' is deprecated; Use 'aspectRatio' instead");
     }
-    if (typeof videoConstraints["facing"] !== 'undefined') {
-        normalized["facingMode"] = videoConstraints["facing"];
+    if (typeof videoConstraints.facing !== 'undefined') {
+        normalized.facingMode = videoConstraints.facing;
         console.log("WARNING: Constraint 'facing' is deprecated. Use 'facingMode' instead'");
     }
     return normalized;
@@ -69,7 +69,7 @@ function applyCameraFacing(facing, constraints) {
     }
     if ( typeof MediaStreamTrack !== 'undefined' &&
             typeof MediaStreamTrack.getSources !== 'undefined') {
-        return new Promise((resolve, reject) => {
+        return new Promise((resolve) => {
             MediaStreamTrack.getSources((sourceInfos) => {
                 const videoSource = sourceInfos.filter((sourceInfo) => (
                     sourceInfo.kind === "video" && sourceInfo.facing === facing

src/quagga.js

@@ -67,7 +67,6 @@ function initInputStream(cb) {
     }
 
     _inputStream.setAttribute("preload", "auto");
-    _inputStream.setAttribute("autoplay", true);
     _inputStream.setInputStream(_config.inputStream);
     _inputStream.addEventListener("canrecord", canRecord.bind(undefined, cb));
 }