From 357182d244805145179ff243a6d7fac00bba84fe Mon Sep 17 00:00:00 2001
From: Cat <carinasadres@gmail.com>
Date: Fri, 17 Mar 2017 13:34:17 +0100
Subject: [PATCH] LSP: handle an empty streaminfo object

---
 lsp/minified.js | 10 +++++-----
 lsp/mist.js     |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/lsp/minified.js b/lsp/minified.js
index a1e2af48..918e7539 100644
--- a/lsp/minified.js
+++ b/lsp/minified.js
@@ -123,11 +123,11 @@ M=$("<select>").append($("<option>").text("Automatic").val("")).change(function(
 1E3)+"]";if(ma==c){var a=A.children().last(),b=a.children("[data-amount]"),e=b.attr("data-amount");e++;b.text("("+e+"x)").attr("data-amount",e);a.children(".timestamp").text(d)}else{A.append($("<div>").append($("<span>").addClass("timestamp").text(d).css("margin-right","0.5em")).append($("<span>").text(a.originalEvent.message)).append($("<span>").attr("data-amount",1).css("margin-left","0.5em")).addClass(a.type=="error"?"red":""));b&&A.scrollTop(A[0].scrollHeight)}ma=c});var na=function(){Y.text("");
 var a=document.createElement("script");c.append(a);a.src=Q+"player.js";a.onerror=function(){N.html("Failed to load player.js").append($("<button>").text("Reload").css("display","block").click(function(){na()}))};a.onload=function(){for(var d in mistplayers)R.append($("<option>").text(mistplayers[d].name).val(d));Z();N.on("initialized",function(){if(M.children().length<=1)for(var a in mistvideo[b].source){var c=mistvideo[b].source[a],d=UI.humanMime(c.type);M.append($("<option>").val(a).text(d?d+" @ "+
 c.url.substring(c.url.length-c.relurl.length,0):UI.format.capital(c.type)+" @ "+c.url.substring(c.url.length-c.relurl.length,0)))}a=mistvideo[b].embedded[mistvideo[b].embedded.length-1];d=UI.humanMime(a.player.options.source.type);Y.html("You're watching "+(d?d+" <span class=description>("+a.player.options.source.type+")</span>":UI.format.capital(a.player.options.source.type))+" through "+mistplayers[a.selectedPlayer].name+".")});c[0].removeChild(a)}};na();g=$("<div>").append($("<h3>").text("Meta information"));
-var S=$("<span>").text("Loading..");g.append(S);I.append(g);$.ajax({type:"GET",url:Q+"json_"+F+".js",success:function(a){var b=a.meta;if(b){a=[];a.push({label:"Type",type:"span",value:b.live?"Live":"Pre-recorded (VoD)"});"format"in b&&a.push({label:"Format",type:"span",value:b.format});b.live&&a.push({label:"Buffer window",type:"span",value:UI.format.addUnit(b.buffer_window,"ms")});var c={audio:{vheader:"Audio",labels:["Codec","Duration","Peak bitrate","Channels","Samplerate","Language"],content:[]},
-video:{vheader:"Video",labels:["Codec","Duration","Peak bitrate","Size","Framerate","Language"],content:[]},subtitle:{vheader:"Subtitles",labels:["Codec","Duration","Peak bitrate","Language"],content:[]}},d=Object.keys(b.tracks);d.sort(function(a,b){a=a.split("_").pop();b=b.split("_").pop();return a-b});for(var e in d){var g=d[e],f=b.tracks[g];switch(f.type){case "audio":c.audio.content.push({header:"Track "+g.split("_").pop(),body:[f.codec,UI.format.duration((f.lastms-f.firstms)/1E3)+"<br><span class=description>"+
-UI.format.duration(f.firstms/1E3)+" to "+UI.format.duration(f.lastms/1E3)+"</span>",UI.format.bytes(f.bps,1),f.channels,UI.format.addUnit(UI.format.number(f.rate),"Hz"),"lang"in f?f.lang:"unknown"]});break;case "video":c.video.content.push({header:"Track "+g.split("_").pop(),body:[f.codec,UI.format.duration((f.lastms-f.firstms)/1E3)+"<br><span class=description>"+UI.format.duration(f.firstms/1E3)+" to "+UI.format.duration(f.lastms/1E3)+"</span>",UI.format.bytes(f.bps,1),UI.format.addUnit(f.width,
-"x ")+UI.format.addUnit(f.height,"px"),UI.format.addUnit(UI.format.number(f.fpks/1E3),"fps"),"lang"in f?f.lang:"unknown"]});break;case "subtitle":c.subtitle.content.push({header:"Track "+g.split("_").pop(),body:[f.codec,UI.format.duration((f.lastms-f.firstms)/1E3)+"<br><span class=description>"+UI.format.duration(f.firstms/1E3)+" to "+UI.format.duration(f.lastms/1E3)+"</span>",UI.format.bytes(f.bps,1),"lang"in f?f.lang:"unknown"]})}}e=["audio","video","subtitle"];b=$("<div>").css({display:"flex",
-"flex-flow":"row wrap","font-size":"0.9em"});for(g in e)c[e[g]].content.length&&b.append(UI.buildVheaderTable(c[e[g]]).css("width","auto"));a.push($("<span>").text("Tracks:"));a.push(b);S.html(UI.buildUI(a))}else S.html("No meta information available.")},error:function(){S.html("Error while retrieving stream info.")}});break;case "Embed":""==b&&UI.navTo("Streams");r="";-1==b.indexOf("+")&&(r=$("<button>").addClass("settings").text("Settings").click(function(){UI.navto("Edit",b)}));c.html($("<div>").addClass("bigbuttons").append(r).append($("<button>").text("Preview").addClass("preview").click(function(){UI.navto("Preview",
+var S=$("<span>").text("Loading..");g.append(S);I.append(g);$.ajax({type:"GET",url:Q+"json_"+F+".js",success:function(a){var b=a.meta;if(!b||!b.tracks)S.html("No meta information available.");else{a=[];a.push({label:"Type",type:"span",value:b.live?"Live":"Pre-recorded (VoD)"});"format"in b&&a.push({label:"Format",type:"span",value:b.format});b.live&&a.push({label:"Buffer window",type:"span",value:UI.format.addUnit(b.buffer_window,"ms")});var c={audio:{vheader:"Audio",labels:["Codec","Duration","Peak bitrate",
+"Channels","Samplerate","Language"],content:[]},video:{vheader:"Video",labels:["Codec","Duration","Peak bitrate","Size","Framerate","Language"],content:[]},subtitle:{vheader:"Subtitles",labels:["Codec","Duration","Peak bitrate","Language"],content:[]}},d=Object.keys(b.tracks);d.sort(function(a,b){a=a.split("_").pop();b=b.split("_").pop();return a-b});for(var e in d){var g=d[e],f=b.tracks[g];switch(f.type){case "audio":c.audio.content.push({header:"Track "+g.split("_").pop(),body:[f.codec,UI.format.duration((f.lastms-
+f.firstms)/1E3)+"<br><span class=description>"+UI.format.duration(f.firstms/1E3)+" to "+UI.format.duration(f.lastms/1E3)+"</span>",UI.format.bytes(f.bps,1),f.channels,UI.format.addUnit(UI.format.number(f.rate),"Hz"),"lang"in f?f.lang:"unknown"]});break;case "video":c.video.content.push({header:"Track "+g.split("_").pop(),body:[f.codec,UI.format.duration((f.lastms-f.firstms)/1E3)+"<br><span class=description>"+UI.format.duration(f.firstms/1E3)+" to "+UI.format.duration(f.lastms/1E3)+"</span>",UI.format.bytes(f.bps,
+1),UI.format.addUnit(f.width,"x ")+UI.format.addUnit(f.height,"px"),UI.format.addUnit(UI.format.number(f.fpks/1E3),"fps"),"lang"in f?f.lang:"unknown"]});break;case "subtitle":c.subtitle.content.push({header:"Track "+g.split("_").pop(),body:[f.codec,UI.format.duration((f.lastms-f.firstms)/1E3)+"<br><span class=description>"+UI.format.duration(f.firstms/1E3)+" to "+UI.format.duration(f.lastms/1E3)+"</span>",UI.format.bytes(f.bps,1),"lang"in f?f.lang:"unknown"]})}}e=["audio","video","subtitle"];b=$("<div>").css({display:"flex",
+"flex-flow":"row wrap","font-size":"0.9em"});for(g in e)c[e[g]].content.length&&b.append(UI.buildVheaderTable(c[e[g]]).css("width","auto"));a.push($("<span>").text("Tracks:"));a.push(b);S.html(UI.buildUI(a))}},error:function(){S.html("Error while retrieving stream info.")}});break;case "Embed":""==b&&UI.navTo("Streams");r="";-1==b.indexOf("+")&&(r=$("<button>").addClass("settings").text("Settings").click(function(){UI.navto("Edit",b)}));c.html($("<div>").addClass("bigbuttons").append(r).append($("<button>").text("Preview").addClass("preview").click(function(){UI.navto("Preview",
 b)})).append($("<button>").addClass("cancel").addClass("return").text("Return").click(function(){UI.navto("Streams")}))).append($("<h2>").text('Embed "'+b+'"'));var T=$("<span>");c.append(T);F=encodeURIComponent(b);r=parseURL(mist.user.host);e={"":{port:":8080"}};for(g in mist.data.config.protocols){d=mist.data.config.protocols[g];if("HTTP"==d.connector||"HTTP.exe"==d.connector)e[""].port=d.port?":"+d.port:":8080";if("HTTPS"==d.connector||"HTTPS.exe"==d.connector)e.s={},e.s.port=d.port?":"+d.port:
 ":4433"}var G=Q="http://"+r.host+e[""].port+"/";if(otherhost.host||otherhost.https)G=(otherhost.https&&"s"in e?"https://":"http://")+(otherhost.host?otherhost.host:r.host)+(otherhost.https&&"s"in e?e.s.port:e[""].port)+"/";var aa={forcePlayer:"",forceType:"",controls:!0,autoplay:!0,loop:!1,width:"",height:"",maxwidth:"",maxheight:"",poster:"",urlappend:"",setTracks:{}},o=$.extend({},aa);g=UI.stored.getOpts();"embedoptions"in g&&(o=$.extend(o,g.embedoptions,!0),"object"!=typeof o.setTracks&&(o.setTracks=
 {}));g={};switch(o.controls){case "stock":g.controls="stock";break;case !0:g.controls=1;break;case !1:g.controls=0}var w=function(){function a(b){switch(typeof b){case "string":return $.isNumeric(b)?b:'"'+b+'"';case "object":return JSON.stringify(b);default:return b}}UI.stored.saveOpt("embedoptions",o);for(var c=b+"_",d=12,e="";d--;){var g;g=Math.floor(Math.random()*62);g=g<10?g:g<36?String.fromCharCode(g+55):String.fromCharCode(g+61);e=e+g}var c=c+e,d=['target: document.getElementById("'+c+'")'],
diff --git a/lsp/mist.js b/lsp/mist.js
index 574f286a..7fa538b5 100644
--- a/lsp/mist.js
+++ b/lsp/mist.js
@@ -3531,7 +3531,7 @@ var UI = {
         $cont.append($trackinfo);
         function buildTrackinfo(info) {
           var meta = info.meta;
-          if (!meta) { 
+          if ((!meta) || (!meta.tracks)) { 
             $tracktable.html('No meta information available.');
             return;
           }