diff --git a/src/output/output_http_internal.cpp b/src/output/output_http_internal.cpp
index 9ebb950d..6c1b0ecb 100644
--- a/src/output/output_http_internal.cpp
+++ b/src/output/output_http_internal.cpp
@@ -150,6 +150,12 @@ namespace Mist {
         relurl = "/";
       }
       jsonForEach(conncapa["methods"], it) {
+        if (it->isMember("url_rel")){
+          size_t foundb = (*it)["url_rel"].asStringRef().find('$');
+          if (foundb != std::string::npos){
+            relurl = (*it)["url_rel"].asStringRef().substr(0, foundb) + streamname + (*it)["url_rel"].asStringRef().substr(foundb+1);
+          }
+        }
         if (!strmMeta.isMember("live") || !it->isMember("nolive")){
           addSource(relurl, sources, host, port, *it, most_simul, total_matches, "http://" + httpHost);
         }
@@ -381,6 +387,7 @@ namespace Mist {
         jsonForEach(json_resp["meta"]["tracks"], it) {
           it->removeMember("fragments");
           it->removeMember("keys");
+          it->removeMember("keysizes");
           it->removeMember("parts");
         }
         
@@ -405,7 +412,7 @@ namespace Mist {
               port = capa.getMember("optional").getMember("port").getMember("default").asString();
             }
             //and a URL - then list the URL
-            if (capa.getMember("url_rel")){
+            if (capa.getMember("url_rel") || capa.getMember("methods")){
               JSON::Value capa_json = capa.asJSON();
               addSources(streamName, capa.getMember("url_rel").asString(), sources, host, port, capa_json, json_resp["meta"], fullHost);
             }
diff --git a/src/output/output_json.cpp b/src/output/output_json.cpp
index a05f02ee..67661d8e 100644
--- a/src/output/output_json.cpp
+++ b/src/output/output_json.cpp
@@ -9,24 +9,30 @@ namespace Mist {
     HTTPOutput::init(cfg);
     capa["name"] = "JSON";
     capa["desc"] = "Enables HTTP protocol JSON streaming.";
-    capa["url_rel"] = "/$.json";
     capa["url_match"] = "/$.json";
-    capa["url_handler"] = "http";
-    capa["url_type"] = "json";
+    capa["codecs"][0u][0u].append("srt");
+    capa["codecs"][0u][0u].append("TTXT");
+    capa["methods"][0u]["handler"] = "http";
+    capa["methods"][0u]["type"] = "html5/text/javascript";
+    capa["methods"][0u]["priority"] = 0ll;
+    capa["methods"][0u]["url_rel"] = "/$.json";
   }
   
   void OutJSON::sendNext(){
-    if(!first) {
-      myConn.SendNow(", ", 2);
-    }else{
-      if (jsonp == ""){
-        myConn.SendNow("[", 1);
+    if (!jsonp.size()){
+      if(!first) {
+        myConn.SendNow(", ", 2);
       }else{
-        myConn.SendNow(jsonp + "([");
+        myConn.SendNow("[", 1);
+        first = false;
       }
-      first = false;
+    }else{
+      myConn.SendNow(jsonp + "(");
     }
     myConn.SendNow(thisPacket.toJSON().toString());
+    if (jsonp.size()){
+      myConn.SendNow(");\n", 3);
+    }
   }
 
   void OutJSON::sendHeader(){
@@ -40,11 +46,10 @@ namespace Mist {
   }
   
   bool OutJSON::onFinish(){
-    if (jsonp == ""){
-      myConn.SendNow("]\n\n", 3);
-    }else{
+    if (!jsonp.size()){
       myConn.SendNow("]);\n\n", 5);
     }
+    myConn.close();
     return false;
   }
 
@@ -54,6 +59,7 @@ namespace Mist {
     if (H.GetVar("callback") != ""){jsonp = H.GetVar("callback");}
     if (H.GetVar("jsonp") != ""){jsonp = H.GetVar("jsonp");}
     if (H.GetVar("track") != ""){
+      selectedTracks.clear();
       selectedTracks.insert(JSON::Value(H.GetVar("track")).asInt());
     }
     
diff --git a/src/output/output_srt.cpp b/src/output/output_srt.cpp
index 64cac4ef..2a9e5c5e 100644
--- a/src/output/output_srt.cpp
+++ b/src/output/output_srt.cpp
@@ -12,7 +12,6 @@ namespace Mist {
     HTTPOutput::init(cfg);
     capa["name"] = "SRT";
     capa["desc"] = "Enables HTTP protocol subtitle streaming in subrip and WebVTT formats.";
-    capa["url_rel"] = "/$.srt";
     capa["url_match"].append("/$.srt");
     capa["url_match"].append("/$.vtt");
     capa["codecs"][0u][0u].append("srt");
@@ -20,9 +19,11 @@ namespace Mist {
     capa["methods"][0u]["handler"] = "http";
     capa["methods"][0u]["type"] = "html5/text/plain";
     capa["methods"][0u]["priority"] = 8ll;
+    capa["methods"][0u]["url_rel"] = "/$.srt";
     capa["methods"][1u]["handler"] = "http";
     capa["methods"][1u]["type"] = "html5/text/vtt";
     capa["methods"][1u]["priority"] = 9ll;
+    capa["methods"][1u]["url_rel"] = "/$.vtt";
   }
   
   void OutProgressiveSRT::sendNext(){
@@ -39,14 +40,14 @@ namespace Mist {
     }
     long long unsigned int time = thisPacket.getTime();
     char tmpBuf[50];
-    int tmpLen = sprintf(tmpBuf, "%.2llu:%.2llu:%.2llu,%.3llu", (time / 3600000), ((time % 3600000) / 60000), (((time % 3600000) % 60000) / 1000), time % 1000);
+    int tmpLen = sprintf(tmpBuf, "%.2llu:%.2llu:%.2llu.%.3llu", (time / 3600000), ((time % 3600000) / 60000), (((time % 3600000) % 60000) / 1000), time % 1000);
     tmp.write(tmpBuf, tmpLen);
     tmp << " --> ";
     time += thisPacket.getInt("duration");
     if (time == thisPacket.getTime()){
       time += len * 75 + 800;
     }
-    tmpLen = sprintf(tmpBuf, "%.2llu:%.2llu:%.2llu,%.3llu", (time / 3600000), ((time % 3600000) / 60000), (((time % 3600000) % 60000) / 1000), time % 1000);
+    tmpLen = sprintf(tmpBuf, "%.2llu:%.2llu:%.2llu.%.3llu", (time / 3600000), ((time % 3600000) / 60000), (((time % 3600000) % 60000) / 1000), time % 1000);
     tmp.write(tmpBuf, tmpLen);
     tmp << std::endl;
     myConn.SendNow(tmp.str());
@@ -74,6 +75,7 @@ namespace Mist {
     std::string method = H.method;
     webVTT = (H.url.find(".vtt") != std::string::npos);
     if (H.GetVar("track") != ""){
+      selectedTracks.clear();
       selectedTracks.insert(JSON::Value(H.GetVar("track")).asInt());
     }
     H.Clean();