--- a/coffee/calls.coffee	Sat Jul 14 23:19:59 2018 +0800
+++ b/coffee/calls.coffee	Sat Jul 14 23:50:05 2018 +0800
@@ -1,25 +1,6 @@
 class Tram.Call extends Backbone.Model
   idAttribute: 'jid'
 
-  initialize: ->
-    @on('change:local/stream', @updateLocalStreamURL)
-    @on('change:remote/stream', @updateRemoteStreamURL)
-
-  updateStreamURL: (sattr, uattr) ->
-    if @has(uattr)
-      URL.revokeObjectURL(@get(uattr))
-    stream = @get(sattr)
-    if stream
-      @set(uattr, URL.createObjectURL(stream))
-    else
-      @unset(uattr)
-
-  updateLocalStreamURL: ->
-    @updateStreamURL('local/stream', 'local/stream/url')
-
-  updateRemoteStreamURL: ->
-    @updateStreamURL('remote/stream', 'remote/stream/url')
-
 
 class Tram.Calls extends Backbone.Collection
   model: Tram.Call
@@ -46,8 +27,8 @@
     @bind()
 
   bind: ->
-    @listenTo(@model, 'change:local/stream/url', @updateLocal)
-    @listenTo(@model, 'change:remote/stream/url', @updateRemote)
+    @listenTo(@model, 'change:local/stream', @updateLocal)
+    @listenTo(@model, 'change:remote/stream', @updateRemote)
 
     @listenTo(@model, 'change:local/video/muted', @muteCam)
     @listenTo(@model, 'change:local/audio/muted', @muteMic)
@@ -56,26 +37,26 @@
     @listenTo(@model, 'remove', @remove)
 
   updateLocal: ->
-    if @model.has('local/stream/url')
-      @updateVideo(@$local, @model.get('local/stream/url'))
+    if @model.has('local/stream')
+      @updateVideo(@$local, @model.get('local/stream'))
     else
       @removeVideo(@$local)
 
   updateRemote: ->
-    if @model.has('remote/stream/url')
-      @updateVideo(@$remote, @model.get('remote/stream/url'))
+    if @model.has('remote/stream')
+      @updateVideo(@$remote, @model.get('remote/stream'))
     else
       @removeVideo(@$remote)
 
-  updateVideo: ($video, url) ->
+  updateVideo: ($video, stream) ->
     $video.each ->
-      @src = url
+      @srcObject = stream
       @play()
 
   removeVideo: ($video) ->
     $video.each ->
       @pause()
-      @removeAttribute('src')
+      @srcObject = null
 
   toggleTracks: (tracks, state) ->
     if tracks?

--- a/js/calls.js	Sat Jul 14 23:19:59 2018 +0800
+++ b/js/calls.js	Sat Jul 14 23:50:05 2018 +0800
@@ -12,32 +12,6 @@
 
     Call.prototype.idAttribute = 'jid';
 
-    Call.prototype.initialize = function() {
-      this.on('change:local/stream', this.updateLocalStreamURL);
-      return this.on('change:remote/stream', this.updateRemoteStreamURL);
-    };
-
-    Call.prototype.updateStreamURL = function(sattr, uattr) {
-      var stream;
-      if (this.has(uattr)) {
-        URL.revokeObjectURL(this.get(uattr));
-      }
-      stream = this.get(sattr);
-      if (stream) {
-        return this.set(uattr, URL.createObjectURL(stream));
-      } else {
-        return this.unset(uattr);
-      }
-    };
-
-    Call.prototype.updateLocalStreamURL = function() {
-      return this.updateStreamURL('local/stream', 'local/stream/url');
-    };
-
-    Call.prototype.updateRemoteStreamURL = function() {
-      return this.updateStreamURL('remote/stream', 'remote/stream/url');
-    };
-
     return Call;
 
   })(Backbone.Model);
@@ -97,8 +71,8 @@
     };
 
     CallView.prototype.bind = function() {
-      this.listenTo(this.model, 'change:local/stream/url', this.updateLocal);
-      this.listenTo(this.model, 'change:remote/stream/url', this.updateRemote);
+      this.listenTo(this.model, 'change:local/stream', this.updateLocal);
+      this.listenTo(this.model, 'change:remote/stream', this.updateRemote);
       this.listenTo(this.model, 'change:local/video/muted', this.muteCam);
       this.listenTo(this.model, 'change:local/audio/muted', this.muteMic);
       this.listenTo(this.model, 'change:remote/audio/muted', this.muteAudio);
@@ -106,24 +80,24 @@
     };
 
     CallView.prototype.updateLocal = function() {
-      if (this.model.has('local/stream/url')) {
-        return this.updateVideo(this.$local, this.model.get('local/stream/url'));
+      if (this.model.has('local/stream')) {
+        return this.updateVideo(this.$local, this.model.get('local/stream'));
       } else {
         return this.removeVideo(this.$local);
       }
     };
 
     CallView.prototype.updateRemote = function() {
-      if (this.model.has('remote/stream/url')) {
-        return this.updateVideo(this.$remote, this.model.get('remote/stream/url'));
+      if (this.model.has('remote/stream')) {
+        return this.updateVideo(this.$remote, this.model.get('remote/stream'));
       } else {
         return this.removeVideo(this.$remote);
       }
     };
 
-    CallView.prototype.updateVideo = function($video, url) {
+    CallView.prototype.updateVideo = function($video, stream) {
       return $video.each(function() {
-        this.src = url;
+        this.srcObject = stream;
         return this.play();
       });
     };
@@ -131,7 +105,7 @@
     CallView.prototype.removeVideo = function($video) {
       return $video.each(function() {
         this.pause();
-        return this.removeAttribute('src');
+        return this.srcObject = null;
       });
     };
 

--- a/js/calls.js.map	Sat Jul 14 23:19:59 2018 +0800
+++ b/js/calls.js.map	Sat Jul 14 23:50:05 2018 +0800
@@ -6,5 +6,5 @@
     "coffee/calls.coffee"
   ],
   "names": [],
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 }
\ No newline at end of file