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authorDavid Baker <dbkr@matrix.org>2014-08-28 19:03:34 +0100
committerDavid Baker <dbkr@matrix.org>2014-08-28 19:03:34 +0100
commitca7426eee0f1d421815ff1921bfd2a5cd03c960f (patch)
tree2d85533f4462c81481369c8ffa90c97e38f00fef /webclient
parentWIP voip support on web client (diff)
downloadsynapse-ca7426eee0f1d421815ff1921bfd2a5cd03c960f.tar.xz
First basic working VoIP call support
Diffstat (limited to '')
-rw-r--r--webclient/components/matrix/matrix-call.js117
-rw-r--r--webclient/components/matrix/matrix-phone-service.js32
-rw-r--r--webclient/room/room-controller.js19
-rw-r--r--webclient/room/room.html9
4 files changed, 161 insertions, 16 deletions
diff --git a/webclient/components/matrix/matrix-call.js b/webclient/components/matrix/matrix-call.js
index 1bed843c44..a5f2529b87 100644
--- a/webclient/components/matrix/matrix-call.js
+++ b/webclient/components/matrix/matrix-call.js
@@ -21,6 +21,7 @@ angular.module('MatrixCall', [])
     var MatrixCall = function(room_id) {
         this.room_id = room_id;
         this.call_id = "c" + new Date().getTime();
+        this.state = 'fledgling';
     }
 
     navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia;
@@ -30,19 +31,75 @@ angular.module('MatrixCall', [])
     MatrixCall.prototype.placeCall = function() {
         self = this;
         matrixPhoneService.callPlaced(this);
-        navigator.getUserMedia({audio: true, video: false}, function(s) { self.gotUserMedia(s); }, function(e) { self.getUserMediaFailed(e); });
+        navigator.getUserMedia({audio: true, video: false}, function(s) { self.gotUserMediaForInvite(s); }, function(e) { self.getUserMediaFailed(e); });
+        self.state = 'wait_local_media';
     };
 
-    MatrixCall.prototype.gotUserMedia = function(stream) {
+    MatrixCall.prototype.initWithInvite = function(msg) {
+        this.msg = msg;
         this.peerConn = new window.RTCPeerConnection({"iceServers":[{"urls":"stun:stun.l.google.com:19302"}]})
-        this.peerConn.addStream(stream);
+        self= this;
+        this.peerConn.oniceconnectionstatechange = function() { self.onIceConnectionStateChanged(); };
+        this.peerConn.onicecandidate = function(c) { self.gotLocalIceCandidate(c); };
+        this.peerConn.onsignalingstatechange = function() { self.onSignallingStateChanged(); };
+        this.peerConn.onaddstream = function(s) { self.onAddStream(s); };
+        this.peerConn.setRemoteDescription(new RTCSessionDescription(this.msg.offer), self.onSetRemoteDescriptionSuccess, self.onSetRemoteDescriptionError);
+        this.state = 'ringing';
+    };
+
+    MatrixCall.prototype.answer = function() {
+        console.trace("Answering call "+this.call_id);
         self = this;
+        navigator.getUserMedia({audio: true, video: false}, function(s) { self.gotUserMediaForAnswer(s); }, function(e) { self.getUserMediaFailed(e); });
+        this.state = 'wait_local_media';
+    };
+
+    MatrixCall.prototype.hangup = function() {
+        console.trace("Rejecting call "+this.call_id);
+        var content = {
+            msgtype: "m.call.hangup",
+            version: 0,
+            call_id: this.call_id,
+        };
+        matrixService.sendMessage(this.room_id, undefined, content).then(this.messageSent, this.messageSendFailed);
+        this.state = 'ended';
+    };
+
+    MatrixCall.prototype.gotUserMediaForInvite = function(stream) {
+        var audioTracks = stream.getAudioTracks();
+        for (var i = 0; i < audioTracks.length; i++) {
+            audioTracks[i].enabled = true;
+        }
+        this.peerConn = new window.RTCPeerConnection({"iceServers":[{"urls":"stun:stun.l.google.com:19302"}]})
+        self = this;
+        this.peerConn.oniceconnectionstatechange = function() { self.onIceConnectionStateChanged(); };
+        this.peerConn.onsignalingstatechange = function() { self.onSignallingStateChanged(); };
         this.peerConn.onicecandidate = function(c) { self.gotLocalIceCandidate(c); };
+        this.peerConn.onaddstream = function(s) { self.onAddStream(s); };
+        this.peerConn.addStream(stream);
         this.peerConn.createOffer(function(d) {
             self.gotLocalOffer(d);
         }, function(e) {
             self.getLocalOfferFailed(e);
         });
+        this.state = 'create_offer';
+    };
+
+    MatrixCall.prototype.gotUserMediaForAnswer = function(stream) {
+        var audioTracks = stream.getAudioTracks();
+        for (var i = 0; i < audioTracks.length; i++) {
+            audioTracks[i].enabled = true;
+        }
+        this.peerConn.addStream(stream);
+        self = this;
+        var constraints = {
+            'mandatory': {
+                'OfferToReceiveAudio': true,
+                'OfferToReceiveVideo': false
+            },
+        };
+        this.peerConn.createAnswer(function(d) { self.createdAnswer(d); }, function(e) {}, constraints);
+        this.state = 'create_answer';
     };
 
     MatrixCall.prototype.gotLocalIceCandidate = function(event) {
@@ -59,11 +116,21 @@ angular.module('MatrixCall', [])
     }
 
     MatrixCall.prototype.gotRemoteIceCandidate = function(cand) {
-        this.peerConn.addIceCandidate(cand);
+        console.trace("Got ICE candidate from remote: "+cand);
+        var candidateObject = new RTCIceCandidate({
+            sdpMLineIndex: cand.label,
+            candidate: cand.candidate
+        });
+        this.peerConn.addIceCandidate(candidateObject, function() {}, function(e) {});
+    };
+
+    MatrixCall.prototype.receivedAnswer = function(msg) {
+        this.peerConn.setRemoteDescription(new RTCSessionDescription(msg.answer), self.onSetRemoteDescriptionSuccess, self.onSetRemoteDescriptionError);
+        this.state = 'connecting';
     };
 
     MatrixCall.prototype.gotLocalOffer = function(description) {
-        console.trace(description);
+        console.trace("Created offer: "+description);
         this.peerConn.setLocalDescription(description);
 
         var content = {
@@ -73,6 +140,20 @@ angular.module('MatrixCall', [])
             offer: description
         };
         matrixService.sendMessage(this.room_id, undefined, content).then(this.messageSent, this.messageSendFailed);
+        this.state = 'invite_sent';
+    };
+
+    MatrixCall.prototype.createdAnswer = function(description) {
+        console.trace("Created answer: "+description);
+        this.peerConn.setLocalDescription(description);
+        var content = {
+            msgtype: "m.call.answer",
+            version: 0,
+            call_id: this.call_id,
+            answer: description
+        };
+        matrixService.sendMessage(this.room_id, undefined, content).then(this.messageSent, this.messageSendFailed);
+        this.state = 'connecting';
     };
 
     MatrixCall.prototype.messageSent = function() {
@@ -88,6 +169,32 @@ angular.module('MatrixCall', [])
     MatrixCall.prototype.getUserMediaFailed = function() {
         this.onError("Couldn't start capturing audio! Is your microphone set up?");
     };
+
+    MatrixCall.prototype.onIceConnectionStateChanged = function() {
+        console.trace("Ice connection state changed to: "+this.peerConn.iceConnectionState);
+        if (this.peerConn.iceConnectionState == 'completed') {
+            this.state = 'connected';
+        }
+    };
+
+    MatrixCall.prototype.onSignallingStateChanged = function() {
+        console.trace("Signalling state changed to: "+this.peerConn.signalingState);
+    };
+
+    MatrixCall.prototype.onSetRemoteDescriptionSuccess = function() {
+        console.trace("Set remote description");
+    };
     
+    MatrixCall.prototype.onSetRemoteDescriptionError = function(e) {
+        console.trace("Failed to set remote description"+e);
+    };
+
+    MatrixCall.prototype.onAddStream = function(event) {
+        console.trace("Stream added"+event);
+        var player = new Audio();
+        player.src = URL.createObjectURL(event.stream);
+        player.play();
+    };
+
     return MatrixCall;
 }]);
diff --git a/webclient/components/matrix/matrix-phone-service.js b/webclient/components/matrix/matrix-phone-service.js
index 9e296f6939..6f96875103 100644
--- a/webclient/components/matrix/matrix-phone-service.js
+++ b/webclient/components/matrix/matrix-phone-service.js
@@ -17,19 +17,14 @@ limitations under the License.
 'use strict';
 
 angular.module('matrixPhoneService', [])
-.factory('matrixPhoneService', ['$rootScope', 'matrixService', 'MatrixCall', 'eventHandlerService', function MatrixCallFactory($rootScope, matrixService, MatrixCall, eventHandlerService) {
+.factory('matrixPhoneService', ['$rootScope', '$injector', 'matrixService', 'eventHandlerService', function MatrixPhoneService($rootScope, $injector, matrixService, eventHandlerService) {
     var matrixPhoneService = function() {
-    }
+    };
 
     matrixPhoneService.CALL_EVENT = "CALL_EVENT";
     matrixPhoneService.allCalls = {};
 
-    MatrixCall.prototype.placeCall = function() {
-        self = this;
-        navigator.getUserMedia({audio: true, video: false}, function(s) { self.gotUserMedia(s); }, function(e) { self.getUserMediaFailed(e); });
-    };
-    
-    matrixPhoneService.prototype.callPlaced = function(call) {
+    matrixPhoneService.callPlaced = function(call) {
         matrixPhoneService.allCalls[call.call_id] = call;
     };
 
@@ -38,17 +33,34 @@ angular.module('matrixPhoneService', [])
         if (event.user_id == matrixService.config().user_id) return;
         var msg = event.content;
         if (msg.msgtype == 'm.call.invite') {
+            var MatrixCall = $injector.get('MatrixCall');
             var call = new MatrixCall(event.room_id);
             call.call_id = msg.call_id;
-            $rootScope.$broadcast(matrixPhoneService.CALL_EVENT, call);
+            call.initWithInvite(msg);
             matrixPhoneService.allCalls[call.call_id] = call;
+            $rootScope.$broadcast(matrixPhoneService.CALL_EVENT, call);
+        } else if (msg.msgtype == 'm.call.answer') {
+            var call = matrixPhoneService.allCalls[msg.call_id];
+            if (!call) {
+                console.trace("Got answer for unknown call ID "+msg.call_id);
+                return;
+            }
+            call.receivedAnswer(msg);
         } else if (msg.msgtype == 'm.call.candidate') {
-            call = matrixPhoneService.allCalls[msg.call_id];
+            var call = matrixPhoneService.allCalls[msg.call_id];
             if (!call) {
                 console.trace("Got candidate for unknown call ID "+msg.call_id);
                 return;
             }
             call.gotRemoteIceCandidate(msg.candidate);
+        } else if (msg.msgtype == 'm.call.hangup') {
+            var call = matrixPhoneService.allCalls[msg.call_id];
+            if (!call) {
+                console.trace("Got hangup for unknown call ID "+msg.call_id);
+                return;
+            }
+            call.onHangup();
+            matrixPhoneService.allCalls[msg.call_id] = undefined;
         }
     });
     
diff --git a/webclient/room/room-controller.js b/webclient/room/room-controller.js
index de3738ca0e..c596af820c 100644
--- a/webclient/room/room-controller.js
+++ b/webclient/room/room-controller.js
@@ -85,6 +85,9 @@ angular.module('RoomController', ['ngSanitize', 'mFileInput', 'mUtilities'])
 
     $rootScope.$on(matrixPhoneService.CALL_EVENT, function(ngEvent, call) {
         console.trace("incoming call");
+        call.onError = $scope.onCallError;
+        call.onHangup = $scope.onCallHangup;
+        $scope.currentCall = call;
     });
     
     $scope.paginateMore = function() {
@@ -93,6 +96,15 @@ angular.module('RoomController', ['ngSanitize', 'mFileInput', 'mUtilities'])
             paginate(MESSAGES_PER_PAGINATION);
         }
     };
+
+    $scope.answerCall = function() {
+        $scope.currentCall.answer();
+    };
+
+    $scope.hangupCall = function() {
+        $scope.currentCall.hangup();
+        $scope.currentCall = undefined;
+    };
         
     var paginate = function(numItems) {
         // console.log("paginate " + numItems);
@@ -438,10 +450,17 @@ angular.module('RoomController', ['ngSanitize', 'mFileInput', 'mUtilities'])
     $scope.startVoiceCall = function() {
         var call = new MatrixCall($scope.room_id);
         call.onError = $scope.onCallError;
+        call.onHangup = $scope.onCallHangup;
         call.placeCall();
+        $scope.currentCall = call;
     }
 
     $scope.onCallError = function(errStr) {
         $scope.feedback = errStr;
     }
+
+    $scope.onCallHangup = function() {
+        $scope.feedback = "Call ended";
+        $scope.currentCall = undefined;
+    }
 }]);
diff --git a/webclient/room/room.html b/webclient/room/room.html
index 4f5584b568..dceb7322f5 100644
--- a/webclient/room/room.html
+++ b/webclient/room/room.html
@@ -98,13 +98,20 @@
                         <button ng-click="inviteUser(userIDToInvite)">Invite</button>
                 </span>
                 <button ng-click="leaveRoom()">Leave</button>
-                <button ng-click="startVoiceCall()">Voice Call</button>
+                <button ng-click="startVoiceCall()" ng-show="currentCall == undefined">Voice Call</button>
+                <div ng-show="currentCall.state == 'ringing'">
+                Incoming call from {{ currentCall.user_id }}
+                <button ng-click="answerCall()">Answer</button>
+                <button ng-click="hangupCall()">Reject</button>
+                </div>
+                {{ currentCall.state }}
             </div>
         
             {{ feedback }}
             <div ng-hide="!state.stream_failure">
                 {{ state.stream_failure.data.error || "Connection failure" }}
             </div>
+           <audio id="remoteAudio" autoplay="autoplay"></audio>
         </div>
     </div>