Embed: remove forbidden modern code (blegh! filthy modern stuff brrr) from the webrtc wrapper

embed/wrappers/mews.js

@@ -7,7 +7,7 @@ mistplayers.mews = {
   },
   isBrowserSupported: function (mimetype,source,MistVideo) {
     
-    if ((!("WebSocket" in window)) || (!("MediaSource" in window))) { return false; }
+    if ((!("WebSocket" in window)) || (!("MediaSource" in window)) || (!("Promise" in window))) { return false; }
     
     //check for http/https mismatch
     if (location.protocol.replace(/^http/,"ws") != MistUtil.http.url.split(source.url.replace(/^http/,"ws")).protocol) {
@@ -379,7 +379,8 @@ p.prototype.build = function (MistVideo,callback) {
       this.ws.s = this.ws.send;
       this.ws.send = function(){
         if (this.readyState == 1) {
-          return this.s.apply(this,arguments);
+          this.s.apply(this,arguments);
+          return true;
         }
         return false;
       };
@@ -885,8 +886,15 @@ p.prototype.build = function (MistVideo,callback) {
     send({type:"request_codec_data",supported_codecs:MistVideo.source.supportedCodecs});
   }.bind(this));
   
-  function send(cmd){
+  function send(cmd,retry){
     if (!player.ws) { throw "No websocket to send to"; }
+    if (retry > 5) { throw "Too many retries, giving up"; }
+    if (player.ws.readyState < player.ws.OPEN) {
+      MistVideo.timers.start(function(){
+        send(cmd,++retry);
+      },500);
+      return;
+    }
     if (player.ws.readyState >= player.ws.CLOSING) {
       //throw "WebSocket has been closed already.";
       MistVideo.log("MP4 over WS: reopening websocket");
@@ -913,9 +921,11 @@ p.prototype.build = function (MistVideo,callback) {
       return;
     }
     if (player.debugging) { console.log("ws send",cmd); }
-    
     player.ws.serverDelay.log(cmd.type);
-    player.ws.send(JSON.stringify(cmd));
+    if (!player.ws.send(JSON.stringify(cmd))) {
+      //not able to send, not sure why.. go back to retry
+      return send(cmd,++retry);
+    }
   }
 
   player.findBuffer = function (position) {
@@ -1133,7 +1143,9 @@ p.prototype.build = function (MistVideo,callback) {
     if (player.api.loop) {
       player.api.currentTime = 0;
       player.sb._do(function(){
-        player.sb.remove(0,Infinity);
+        try {
+          player.sb.remove(0,Infinity);
+        } catch (e) {}
       });
     }
   });

embed/wrappers/videojs.js

@@ -3,7 +3,7 @@ mistplayers.videojs = {
   mimes: ["html5/application/vnd.apple.mpegurl","html5/application/vnd.apple.mpegurl;version=7"],
   priority: MistUtil.object.keys(mistplayers).length + 1,
   isMimeSupported: function (mimetype) {
-    return (this.mimes.indexOf(mimetype) == -1 ? false : true);
+    return (MistUtil.array.indexOf(this.mimes,mimetype) == -1 ? false : true);
   },
   isBrowserSupported: function (mimetype,source,MistVideo) {
     
@@ -82,6 +82,29 @@ p.prototype.build = function (MistVideo,callback) {
     else {
       vjsopts.controls = false;
     }
+
+    //capture any errors generated before videojs is initialized and ignore them
+    var captureErrors = MistUtil.event.addListener(ele,"error",function(e){
+      e.stopImmediatePropagation();
+      
+      var msg = e.message;
+      if (!msg && ele.error) {
+        if (("code" in ele.error) && (ele.error.code)) {
+          msg = "Code "+ele.error.code;
+          for (var i in ele.error) {
+            if (i == "code") { continue; }
+            if (ele.error[i] == ele.error.code) {
+              msg = i;
+              break;
+            }
+          }
+        }
+        else {
+          msg = JSON.stringify(ele.error);
+        }
+      }
+      MistVideo.log("Error captured and stopped because videojs has not yet loaded: "+msg);  
+    });
     
     //for android < 7, enable override native
     function androidVersion(){
@@ -99,6 +122,9 @@ p.prototype.build = function (MistVideo,callback) {
     me.onready(function(){
       MistVideo.log("Building videojs");
       me.videojs = videojs(ele,vjsopts,function(){
+        //remove error grabbing
+        MistUtil.event.removeListener(captureErrors);
+
         MistVideo.log("Videojs initialized");
         
         if (MistVideo.info.type == "live") {
@@ -111,7 +137,7 @@ p.prototype.build = function (MistVideo,callback) {
       });
       
       MistUtil.event.addListener(ele,"error",function(e){
-        if (e.target.error.message.indexOf("NS_ERROR_DOM_MEDIA_OVERFLOW_ERR") >= 0) {
+        if (e && e.target && e.target.error && e.target.error.message && (MistUtil.array.indexOf(e.target.error.message,"NS_ERROR_DOM_MEDIA_OVERFLOW_ERR") >= 0)) {
           //there is a problem with a certain segment, try reloading
           MistVideo.timers.start(function(){
             MistVideo.log("Reloading player because of NS_ERROR_DOM_MEDIA_OVERFLOW_ERR");

embed/wrappers/webrtc.js

@@ -602,15 +602,16 @@ p.prototype.build = function (MistVideo,callback) {
   me.api.getStats = function(){
     if (me.webrtc && me.webrtc.isConnected) {
       return new Promise(function(resolve,reject) {
-        me.webrtc.peerConn.getStats().then((a) => {
+        me.webrtc.peerConn.getStats().then(function(a){
           var r = {
             audio: null,
             video: null
           };
-          for (let dictionary of a.values()) {
-            if (dictionary.type == "track") {
+          var obj = Object.fromEntries(a);
+          for (var i in obj) {
+            if (obj[i].type == "track") {
               //average jitter buffer in seconds
-              r[dictionary.kind] = dictionary;
+              r[obj[i].kind] = obj[i];
             }
           }
           resolve(r);