feat(iosRTC): add support for cordova ios rtc plugin

erizo_controller/erizoClient/src/Connection.js

@@ -20,6 +20,9 @@ Erizo.Connection = function (spec) {
     } else if (that.browser === 'bowser'){
         L.Logger.debug('Bowser Stack');
         that = Erizo.BowserStack(spec);
+    } else if (that.browser === 'ios'){
+        L.Logger.debug("iOS Stack");
+        that = Erizo.iOSStack(spec);
     } else if (that.browser === 'chrome-stable') {
         L.Logger.debug('Chrome Stable Stack');
         that = Erizo.ChromeStableStack(spec);
@@ -54,6 +57,8 @@ Erizo.getBrowser = function () {
         }
     } else if (window.navigator.userAgent.match('Safari') !== null) {
         browser = 'bowser';
+    } else if (window.navigator.userAgent.match("AppleWebKit") !== null && cordova) {
+        browser = "ios";
     } else if (window.navigator.userAgent.match('AppleWebKit') !== null) {
         browser = 'bowser';
     }
@@ -63,6 +68,11 @@ Erizo.getBrowser = function () {
 
 Erizo.GetUserMedia = function (config, callback, error) {
     var promise;
+
+    if (Erizo.getBrowser() === 'ios') {
+        navigator.getUserMedia = cordova.plugins.iosrtc.getUserMedia;
+    }
+
     navigator.getMedia = ( navigator.getUserMedia ||
                        navigator.webkitGetUserMedia ||
                        navigator.mozGetUserMedia ||

erizo_controller/erizoClient/src/webrtc-stacks/iOSStack.js

@@ -0,0 +1,211 @@
+/*global window, console, RTCSessionDescription, RoapConnection, webkitRTCPeerConnection*/
+
+var Erizo = Erizo || {};
+
+Erizo.iOSStack = function (spec) {
+    "use strict";
+
+    var that = {},
+        WebkitRTCPeerConnection = cordova.plugins.iosrtc.RTCPeerConnection,
+        RTCSessionDescription = cordova.plugins.iosrtc.RTCSessionDescription,
+        RTCIceCandidate = cordova.plugins.iosrtc.RTCIceCandidate;
+
+    that.pc_config = {
+        "iceServers": []
+    };
+
+    that.con = {'optional': [{'DtlsSrtpKeyAgreement': true}]};
+
+    if (spec.stunServerUrl !== undefined) {
+        that.pc_config.iceServers.push({"url": spec.stunServerUrl});
+    } 
+
+    if ((spec.turnServer || {}).url) {
+        that.pc_config.iceServers.push({"username": spec.turnServer.username, "credential": spec.turnServer.password, "url": spec.turnServer.url});
+    }
+
+    if (spec.audio === undefined) {
+        spec.audio = true;
+    }
+
+    if (spec.video === undefined) {
+        spec.video = true;
+    }
+
+    that.mediaConstraints = {
+            'offerToReceiveVideo': spec.video,
+            'offerToReceiveAudio': spec.audio
+    };
+
+    that.peerConnection = new WebkitRTCPeerConnection(that.pc_config, that.con);
+
+    spec.remoteDescriptionSet = false;
+
+    var setMaxBW = function (sdp) {
+        if (spec.maxVideoBW) {
+            var a = sdp.match(/m=video.*\r\n/);
+            if (a == null){
+              a = sdp.match(/m=video.*\n/);
+            }
+            if (a && (a.length > 0)) {
+                var r = a[0] + "b=AS:" + spec.maxVideoBW + "\r\n";
+                sdp = sdp.replace(a[0], r);
+            }
+        }
+
+        if (spec.maxAudioBW) {
+            var a = sdp.match(/m=audio.*\r\n/);
+            if (a == null){
+              a = sdp.match(/m=audio.*\n/);
+            }
+            if (a && (a.length > 0)) {
+                var r = a[0] + "b=AS:" + spec.maxAudioBW + "\r\n";
+                sdp = sdp.replace(a[0], r);
+            }
+        }
+
+        return sdp;
+    };
+
+    /**
+     * Closes the connection.
+     */
+    that.close = function () {
+        that.state = 'closed';
+        that.peerConnection.close();
+    };
+
+    spec.localCandidates = [];
+
+    that.peerConnection.onicecandidate =  function (event) {
+        if (event.candidate) {
+            if (!event.candidate.candidate.match(/a=/)) {
+                event.candidate.candidate ="a="+event.candidate.candidate;
+            };
+
+
+            if (spec.remoteDescriptionSet) {
+                spec.callback({type:'candidate', candidate: event.candidate});
+            } else {
+                spec.localCandidates.push(event.candidate);
+//                console.log("Local Candidates stored: ", spec.localCandidates.length, spec.localCandidates);
+            }
+
+        } else {
+
+          //  spec.callback(that.peerConnection.localDescription);
+            console.log("End of candidates." , that.peerConnection.localDescription);
+        }
+    };
+
+    that.peerConnection.onaddstream = function (stream) {
+        if (that.onaddstream) {
+            that.onaddstream(stream);
+        }
+    };
+
+    that.peerConnection.onremovestream = function (stream) {
+        if (that.onremovestream) {
+            that.onremovestream(stream);
+        }
+    };
+
+    var errorCallback = function(message){
+      console.log("Error in Stack ", message);
+    }
+
+    var localDesc;
+
+    var setLocalDesc = function (sessionDescription) {
+        sessionDescription.sdp = setMaxBW(sessionDescription.sdp);
+//        sessionDescription.sdp = sessionDescription.sdp.replace(/a=ice-options:google-ice\r\n/g, "");
+        console.log("Set local description", sessionDescription.sdp);
+        localDesc = sessionDescription;
+        that.peerConnection.setLocalDescription(localDesc, function(){
+          console.log("The final LocalDesc", that.peerConnection.localDescription);
+          spec.callback(that.peerConnection.localDescription);
+        }, errorCallback);
+        //that.peerConnection.setLocalDescription(sessionDescription);
+    }
+
+    var setLocalDescp2p = function (sessionDescription) {
+        sessionDescription.sdp = setMaxBW(sessionDescription.sdp);
+//        sessionDescription.sdp = sessionDescription.sdp.replace(/a=ice-options:google-ice\r\n/g, "");
+        spec.callback(sessionDescription);
+        localDesc = sessionDescription;
+        that.peerConnection.setLocalDescription(sessionDescription);
+    }
+
+    that.createOffer = function (isSubscribe) {
+      if (isSubscribe===true)
+        that.peerConnection.createOffer(setLocalDesc, errorCallback, that.mediaConstraints);
+      else
+        that.peerConnection.createOffer(setLocalDesc, errorCallback);
+
+    };
+
+    that.addStream = function (stream) {
+        that.peerConnection.addStream(stream);
+    };
+    spec.remoteCandidates = [];
+
+
+    that.processSignalingMessage = function (msg) {
+       console.log("Process Signaling Message", msg);
+
+        if (msg.type === 'offer') {
+            msg.sdp = setMaxBW(msg.sdp);
+            that.peerConnection.setRemoteDescription(new RTCSessionDescription(msg));
+            that.peerConnection.createAnswer(setLocalDescp2p, null, that.mediaConstraints);
+            spec.remoteDescriptionSet = true;
+
+        } else if (msg.type === 'answer') {
+
+            console.log("Set remote description", msg.sdp);
+
+            msg.sdp = setMaxBW(msg.sdp);
+
+            that.peerConnection.setRemoteDescription(new RTCSessionDescription(msg), function() {
+              spec.remoteDescriptionSet = true;
+              console.log("Candidates to be added: ", spec.remoteCandidates.length);
+              while (spec.remoteCandidates.length > 0) {
+                console.log("Candidate :",spec.remoteCandidates[spec.remoteCandidates.length-1]);
+                that.peerConnection.addIceCandidate(spec.remoteCandidates.shift(), function(){}, errorCallback);
+
+              }
+//              console.log("Local candidates to send:" , spec.localCandidates.length);
+              while(spec.localCandidates.length > 0) {
+                spec.callback({type:'candidate', candidate: spec.localCandidates.shift()});
+              }
+
+            }, function(){console.log("Error Setting Remote Description");});
+
+        } else if (msg.type === 'candidate') {
+          console.log("Message with candidate");
+            try {              
+                var obj;
+                if (typeof(msg.candidate) === 'object') {
+                    obj = msg.candidate;
+                } else {
+                    obj = JSON.parse(msg.candidate);
+                }
+//                obj.candidate = obj.candidate.replace(/ generation 0/g, "");
+//                obj.candidate = obj.candidate.replace(/ udp /g, " UDP ");
+                obj.candidate = obj.candidate.replace(/a=/g, "");
+                obj.sdpMLineIndex = parseInt(obj.sdpMLineIndex);
+                obj.sdpMLineIndex = obj.sdpMid=="audio"?0:1;
+                var candidate = new RTCIceCandidate(obj);
+                console.log("Remote Candidate",candidate);
+                if (spec.remoteDescriptionSet) {
+                    that.peerConnection.addIceCandidate(candidate, function(){}, errorCallback);
+                } else {
+                    spec.remoteCandidates.push(candidate);
+                }
+            } catch(e) {
+                L.Logger.error("Error parsing candidate", msg.candidate);
+            }
+        }
+    }
+
+    return that;
+};

erizo_controller/erizoClient/tools/compile.sh

@@ -2,4 +2,4 @@
 
 set -e
 
-java -jar compiler.jar --js ../lib/socket.io.js --js ../src/Events.js --js ../src/webrtc-stacks/FcStack.js --js ../src/webrtc-stacks/BowserStack.js --js ../src/webrtc-stacks/FirefoxStack.js --js ../src/webrtc-stacks/ChromeStableStack.js --js ../src/webrtc-stacks/ChromeCanaryStack.js --js ../src/Connection.js --js ../src/Stream.js --js ../src/Room.js --js ../src/utils/L.Logger.js --js ../src/utils/L.Base64.js --js ../src/utils/L.Resizer.js --js ../src/views/View.js --js ../src/views/VideoPlayer.js --js ../src/views/AudioPlayer.js --js ../src/views/Bar.js --js ../src/views/Speaker.js --js_output_file ../dist/erizo.js
+java -jar compiler.jar --js ../lib/socket.io.js --js ../src/Events.js --js ../src/webrtc-stacks/FcStack.js --js ../src/webrtc-stacks/BowserStack.js --js ../src/webrtc-stacks/FirefoxStack.js --js ../src/webrtc-stacks/ChromeStableStack.js --js ../src/webrtc-stacks/ChromeCanaryStack.js --js ../src/webrtc-stacks/iOSStack.js --js ../src/Connection.js --js ../src/Stream.js --js ../src/Room.js --js ../src/utils/L.Logger.js --js ../src/utils/L.Base64.js --js ../src/utils/L.Resizer.js --js ../src/views/View.js --js ../src/views/VideoPlayer.js --js ../src/views/AudioPlayer.js --js ../src/views/Bar.js --js ../src/views/Speaker.js --js_output_file ../dist/erizo.js

erizo_controller/erizoClient/tools/compileDebug.sh

@@ -11,6 +11,7 @@ cat ../src/webrtc-stacks/ChromeStableStack.js >> $FILE
 cat ../src/webrtc-stacks/ChromeCanaryStack.js >> $FILE
 cat ../src/webrtc-stacks/FirefoxStack.js >> $FILE
 cat ../src/webrtc-stacks/BowserStack.js >> $FILE
+cat ../src/webrtc-stacks/iOSStack.js >> $FILE
 cat ../src/Connection.js >> $FILE
 cat ../src/Stream.js >> $FILE
 cat ../src/Room.js >> $FILE