Start ffmpeg automatically using cameras.json.

index.html modified to allow selection from multiple streams.

index.html renamed to index.gohtml to enable syntax highlighting in IntelliJ Idea

src/cameras.json

@@ -25,13 +25,13 @@
           "trigger_recording_on": ""
         },
         "netcam_uri": "rtsp://192.168.0.23:554/11",
-        "nms_uri": "rtmp://localhost:1935/nms/stream1",
+        "nms_uri": "http://localhost:8081/live/stream?suuid=stream1",
         "recording": {
           "enabled": true,
           "location": "rec1",
           "uri": "http://localhost:8084/recording/rec1/"
         },
-        "uri": "http://localhost:8009/nms/stream1.flv",
+        "uri": "http://localhost:8081/ws/stream/suuid=stream1",
         "video_height": 1440,
         "video_width": 2560
       },
@@ -47,13 +47,13 @@
           "trigger_recording_on": ""
         },
         "netcam_uri": "rtsp://192.168.0.23:554/12",
-        "nms_uri": "rtmp://localhost:1935/nms/stream2",
+        "nms_uri":  "http://localhost:8081/live/stream?suuid=stream2",
         "recording": {
           "enabled": false,
           "location": "rec2",
           "uri": "http://localhost:8084/recording/rec2/"
         },
-        "uri": "http://localhost:8009/nms/stream2.flv",
+        "uri": "http://localhost:8081/ws/stream/suuid=stream2",
         "video_height": 448,
         "video_width": 800
       }
@@ -85,13 +85,13 @@
           "trigger_recording_on": ""
         },
         "netcam_uri": "rtsp://192.168.0.26:554/11",
-        "nms_uri": "rtmp://localhost:1935/nms/stream3",
+        "nms_uri":  "http://localhost:8081/live/stream?suuid=stream3",
         "recording": {
           "enabled": true,
           "location": "rec3",
           "uri": "http://localhost:8084/recording/rec3/"
         },
-        "uri": "http://localhost:8009/nms/stream3.flv",
+        "uri": "http://localhost:8081/ws/stream/suuid=stream3",
         "video_height": 1080,
         "video_width": 1920
       },
@@ -107,13 +107,13 @@
           "trigger_recording_on": "camera2.stream3"
         },
         "netcam_uri": "rtsp://192.168.0.26:554/12",
-        "nms_uri": "rtmp://localhost:1935/nms/stream4",
+        "nms_uri": "http://localhost:8081/live/stream?suuid=stream4",
         "recording": {
           "enabled": true,
           "location": "rec4",
           "uri": "http://localhost:8084/recording/rec4/"
         },
-        "uri": "http://localhost:8009/nms/stream4.flv",
+        "uri": "http://localhost:8081/ws/stream/suuid=stream4",
         "video_height": 352,
         "video_width": 640
       }

src/config.go

@@ -7,6 +7,7 @@ import (
 )
 
 type StreamC struct {
+	Descr           string `json:"descr"`
 	AudioBitRate    string `json:"audio_bitrate"`
 	AudioEncoding   string `json:"audio_encoding"`
 	AudioSampleRate int    `json:"audio_sample_rate"`
@@ -31,6 +32,7 @@ type StreamC struct {
 }
 
 type Camera struct {
+	Name    string             `json:"name"`
 	Address string             `json:"address"`
 	Streams map[string]StreamC `json:"streams"`
 }
@@ -39,6 +41,16 @@ type Cameras struct {
 	Cameras map[string]Camera `json:"{}"`
 }
 
+func (c *Cameras) Suuids() (suuids map[string]string) {
+	suuids = map[string]string{}
+	for _, camera := range c.Cameras {
+		for k, stream := range camera.Streams {
+			suuids[camera.Name+" "+stream.Descr] = k
+		}
+	}
+	return
+}
+
 func loadConfig() *Cameras {
 	var tmp Cameras
 	data, err := ioutil.ReadFile("src/cameras.json")

src/ffmpeg-feed.go

@@ -1,28 +1,40 @@
 package main
 
 import (
+	"fmt"
 	log "github.com/sirupsen/logrus"
 	"os/exec"
 	"time"
 )
 
-func ffmpegFeed() {
-	go func() {
-		for {
-			time.Sleep(time.Second)
-			cmd := exec.Command("bash", "-c", "/usr/bin/ffmpeg -hide_banner -loglevel error -stimeout 1000000 -fflags nobuffer -rtsp_transport tcp -i rtsp://192.168.0.55:554/11 -c:v copy -c:a aac -async 1 -movflags empty_moov+omit_tfhd_offset+frag_keyframe+default_base_moof -frag_size 10 -preset superfast -tune zerolatency -f mp4 http://localhost:8081/live/s1?suuid=stream1")
-			stdout, err := cmd.Output()
+func ffmpegFeed(cameras *Cameras) {
+	for _, camera := range cameras.Cameras {
+		for _, stream := range camera.Streams {
+			go func(camera Camera, stream StreamC) {
+				for {
+					time.Sleep(time.Second)
+					var audio string
+					if stream.AudioBitRate == "0" {
+						audio = "-an"
+					} else {
+						audio = "-c:a aac -ar " + stream.AudioBitRate
+					}
+					cmdStr := fmt.Sprintf("/usr/bin/ffmpeg -hide_banner -loglevel error -stimeout 1000000 -fflags nobuffer -rtsp_transport tcp -i  %s -c:v copy %s -async 1 -movflags empty_moov+omit_tfhd_offset+frag_keyframe+default_base_moof -frag_size 10 -preset superfast -tune zerolatency -f mp4 %s", stream.NetcamUri, audio, stream.NMSUri)
+					cmd := exec.Command("bash", "-c", cmdStr)
+					stdout, err := cmd.Output()
 
-			if err != nil {
-				ee := err.(*exec.ExitError)
-				if ee != nil {
-					log.Errorf("ffmpeg error :- %s, %s", string(ee.Stderr), ee.Error())
-				} else {
-					log.Errorf("ffmpeg error :- %s", err.Error())
+					if err != nil {
+						ee := err.(*exec.ExitError)
+						if ee != nil {
+							log.Errorf("ffmpeg (%s:%s):- %s, %s", camera.Name, stream.Descr, string(ee.Stderr), ee.Error())
+						} else {
+							log.Errorf("ffmpeg (%s:%s):- :- %s", camera.Name, stream.Descr, err.Error())
+						}
+					} else if stdout != nil {
+						log.Infof("ffmpeg output (%s:%s):- %s ", camera.Name, stream.Descr, string(stdout))
+					}
 				}
-			} else if stdout != nil {
-				log.Infof("ffmpeg output:- %s ", string(stdout))
-			}
+			}(camera, stream)
 		}
-	}()
+	}
 }

src/http.go

@@ -63,17 +63,32 @@ func ReadBox(readCloser io.ReadCloser, data []byte, queue chan Packet) (numOfByt
 func serveHTTP() {
 	router := gin.Default()
 	gin.SetMode(gin.DebugMode)
-	router.LoadHTMLFiles("web/index.html")
-
-	// For web page
+	router.LoadHTMLFiles("web/index.gohtml")
+	suuids := cameras.Suuids()
+	// Get the name of the first stream
+	var first Camera
+	var firstStream string
+	for _, first = range cameras.Cameras {
+		for firstStream, _ = range first.Streams {
+			break
+		}
+		break
+	}
+	// For web page without suuid
 	router.GET("/", func(c *gin.Context) {
-		//path, err := os.Getwd()
-		//if err != nil {
-		//	log.Println(err)
-		//}
-		//fmt.Println(path)
-		c.HTML(http.StatusOK, "index.html", gin.H{
-			//	"suuid": c.Param("suuid"),
+
+		c.HTML(http.StatusOK, "index.gohtml", gin.H{
+			"suuidMap": suuids,
+			"suuid":    firstStream,
+		})
+	})
+
+	// For web page with suuid
+	router.GET("/:suuid", func(c *gin.Context) {
+
+		c.HTML(http.StatusOK, "index.gohtml", gin.H{
+			"suuidMap": suuids,
+			"suuid":    c.Param("suuid"),
 		})
 	})
 	// For ffmpeg to write to
@@ -146,6 +161,7 @@ func serveHTTP() {
 			log.Tracef("%d bytes received", numOfByte)
 		}
 	})
+	router.StaticFS("/web", http.Dir("web"))
 
 	// For http connections from ffmpeg to read from (for recordings)
 	// This does not send the codec info ahead of ftyp and moov

src/main.go

@@ -8,6 +8,8 @@ import (
 	"path/filepath"
 )
 
+var cameras *Cameras
+
 func main() {
 	var customFormatter = log.TextFormatter{}
 	customFormatter.TimestampFormat = "2006-01-02 15:04:05"
@@ -24,8 +26,8 @@ func main() {
 		Compress:   true,
 	}
 	log.SetOutput(io.MultiWriter(os.Stdout, lumberjackLogger))
-	cameras := loadConfig()
+	cameras = loadConfig()
 	_ = cameras
-	ffmpegFeed()
+	ffmpegFeed(cameras)
 	serveHTTP()
 }

web/css/bootstrap-reboot.css

@@ -0,0 +1,331 @@
+/*!
+ * Bootstrap Reboot v4.3.1 (https://getbootstrap.com/)
+ * Copyright 2011-2019 The Bootstrap Authors
+ * Copyright 2011-2019 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */
+*,
+*::before,
+*::after {
+  box-sizing: border-box;
+}
+
+html {
+  font-family: sans-serif;
+  line-height: 1.15;
+  -webkit-text-size-adjust: 100%;
+  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+}
+
+article, aside, figcaption, figure, footer, header, hgroup, main, nav, section {
+  display: block;
+}
+
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+  font-size: 1rem;
+  font-weight: 400;
+  line-height: 1.5;
+  color: #212529;
+  text-align: left;
+  background-color: #fff;
+}
+
+[tabindex="-1"]:focus {
+  outline: 0 !important;
+}
+
+hr {
+  box-sizing: content-box;
+  height: 0;
+  overflow: visible;
+}
+
+h1, h2, h3, h4, h5, h6 {
+  margin-top: 0;
+  margin-bottom: 0.5rem;
+}
+
+p {
+  margin-top: 0;
+  margin-bottom: 1rem;
+}
+
+abbr[title],
+abbr[data-original-title] {
+  text-decoration: underline;
+  -webkit-text-decoration: underline dotted;
+  text-decoration: underline dotted;
+  cursor: help;
+  border-bottom: 0;
+  -webkit-text-decoration-skip-ink: none;
+  text-decoration-skip-ink: none;
+}
+
+address {
+  margin-bottom: 1rem;
+  font-style: normal;
+  line-height: inherit;
+}
+
+ol,
+ul,
+dl {
+  margin-top: 0;
+  margin-bottom: 1rem;
+}
+
+ol ol,
+ul ul,
+ol ul,
+ul ol {
+  margin-bottom: 0;
+}
+
+dt {
+  font-weight: 700;
+}
+
+dd {
+  margin-bottom: .5rem;
+  margin-left: 0;
+}
+
+blockquote {
+  margin: 0 0 1rem;
+}
+
+b,
+strong {
+  font-weight: bolder;
+}
+
+small {
+  font-size: 80%;
+}
+
+sub,
+sup {
+  position: relative;
+  font-size: 75%;
+  line-height: 0;
+  vertical-align: baseline;
+}
+
+sub {
+  bottom: -.25em;
+}
+
+sup {
+  top: -.5em;
+}
+
+a {
+  color: #007bff;
+  text-decoration: none;
+  background-color: transparent;
+}
+
+a:hover {
+  color: #0056b3;
+  text-decoration: underline;
+}
+
+a:not([href]):not([tabindex]) {
+  color: inherit;
+  text-decoration: none;
+}
+
+a:not([href]):not([tabindex]):hover, a:not([href]):not([tabindex]):focus {
+  color: inherit;
+  text-decoration: none;
+}
+
+a:not([href]):not([tabindex]):focus {
+  outline: 0;
+}
+
+pre,
+code,
+kbd,
+samp {
+  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+  font-size: 1em;
+}
+
+pre {
+  margin-top: 0;
+  margin-bottom: 1rem;
+  overflow: auto;
+}
+
+figure {
+  margin: 0 0 1rem;
+}
+
+img {
+  vertical-align: middle;
+  border-style: none;
+}
+
+svg {
+  overflow: hidden;
+  vertical-align: middle;
+}
+
+table {
+  border-collapse: collapse;
+}
+
+caption {
+  padding-top: 0.75rem;
+  padding-bottom: 0.75rem;
+  color: #6c757d;
+  text-align: left;
+  caption-side: bottom;
+}
+
+th {
+  text-align: inherit;
+}
+
+label {
+  display: inline-block;
+  margin-bottom: 0.5rem;
+}
+
+button {
+  border-radius: 0;
+}
+
+button:focus {
+  outline: 1px dotted;
+  outline: 5px auto -webkit-focus-ring-color;
+}
+
+input,
+button,
+select,
+optgroup,
+textarea {
+  margin: 0;
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+}
+
+button,
+input {
+  overflow: visible;
+}
+
+button,
+select {
+  text-transform: none;
+}
+
+select {
+  word-wrap: normal;
+}
+
+button,
+[type="button"],
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button;
+}
+
+button:not(:disabled),
+[type="button"]:not(:disabled),
+[type="reset"]:not(:disabled),
+[type="submit"]:not(:disabled) {
+  cursor: pointer;
+}
+
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+  padding: 0;
+  border-style: none;
+}
+
+input[type="radio"],
+input[type="checkbox"] {
+  box-sizing: border-box;
+  padding: 0;
+}
+
+input[type="date"],
+input[type="time"],
+input[type="datetime-local"],
+input[type="month"] {
+  -webkit-appearance: listbox;
+}
+
+textarea {
+  overflow: auto;
+  resize: vertical;
+}
+
+fieldset {
+  min-width: 0;
+  padding: 0;
+  margin: 0;
+  border: 0;
+}
+
+legend {
+  display: block;
+  width: 100%;
+  max-width: 100%;
+  padding: 0;
+  margin-bottom: .5rem;
+  font-size: 1.5rem;
+  line-height: inherit;
+  color: inherit;
+  white-space: normal;
+}
+
+progress {
+  vertical-align: baseline;
+}
+
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+[type="search"] {
+  outline-offset: -2px;
+  -webkit-appearance: none;
+}
+
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+::-webkit-file-upload-button {
+  font: inherit;
+  -webkit-appearance: button;
+}
+
+output {
+  display: inline-block;
+}
+
+summary {
+  display: list-item;
+  cursor: pointer;
+}
+
+template {
+  display: none;
+}
+
+[hidden] {
+  display: none !important;
+}
+/*# sourceMappingURL=bootstrap-reboot.css.map */

web/css/bootstrap-reboot.min.css

@@ -0,0 +1,8 @@
+/*!
+ * Bootstrap Reboot v4.3.1 (https://getbootstrap.com/)
+ * Copyright 2011-2019 The Bootstrap Authors
+ * Copyright 2011-2019 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */*,::after,::before{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}article,aside,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;text-align:left;background-color:#fff}[tabindex="-1"]:focus{outline:0!important}hr{box-sizing:content-box;height:0;overflow:visible}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem}p{margin-top:0;margin-bottom:1rem}abbr[data-original-title],abbr[title]{text-decoration:underline;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;cursor:help;border-bottom:0;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none}address{margin-bottom:1rem;font-style:normal;line-height:inherit}dl,ol,ul{margin-top:0;margin-bottom:1rem}ol ol,ol ul,ul ol,ul ul{margin-bottom:0}dt{font-weight:700}dd{margin-bottom:.5rem;margin-left:0}blockquote{margin:0 0 1rem}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}a{color:#007bff;text-decoration:none;background-color:transparent}a:hover{color:#0056b3;text-decoration:underline}a:not([href]):not([tabindex]){color:inherit;text-decoration:none}a:not([href]):not([tabindex]):focus,a:not([href]):not([tabindex]):hover{color:inherit;text-decoration:none}a:not([href]):not([tabindex]):focus{outline:0}code,kbd,pre,samp{font-family:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:1em}pre{margin-top:0;margin-bottom:1rem;overflow:auto}figure{margin:0 0 1rem}img{vertical-align:middle;border-style:none}svg{overflow:hidden;vertical-align:middle}table{border-collapse:collapse}caption{padding-top:.75rem;padding-bottom:.75rem;color:#6c757d;text-align:left;caption-side:bottom}th{text-align:inherit}label{display:inline-block;margin-bottom:.5rem}button{border-radius:0}button:focus{outline:1px dotted;outline:5px auto -webkit-focus-ring-color}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}select{word-wrap:normal}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button}[type=button]:not(:disabled),[type=reset]:not(:disabled),[type=submit]:not(:disabled),button:not(:disabled){cursor:pointer}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{padding:0;border-style:none}input[type=checkbox],input[type=radio]{box-sizing:border-box;padding:0}input[type=date],input[type=datetime-local],input[type=month],input[type=time]{-webkit-appearance:listbox}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;padding:0;margin:0;border:0}legend{display:block;width:100%;max-width:100%;padding:0;margin-bottom:.5rem;font-size:1.5rem;line-height:inherit;color:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item;cursor:pointer}template{display:none}[hidden]{display:none!important}
+/*# sourceMappingURL=bootstrap-reboot.min.css.map */

web/index.gohtml

@@ -6,21 +6,47 @@ https://stackoverflow.com/questions/54186634/sending-periodic-metadata-in-fragme
 -->
 
 
-<html>
+<html lang="eng">
+<meta http-equiv="Expires" content="0">
+<meta http-equiv="Last-Modified" content="0">
+<meta http-equiv="Cache-Control" content="no-cache, mustrevalidate">
+<meta http-equiv="Pragma" content="no-cache">
+
+<link rel="stylesheet" href="web/css/bootstrap.min.css">
+<script src="web/js/bootstrap.min.js"></script>
+<script src="web/js/bootstrap.bundle.js"></script>
 <head>
     <title>WebSocket MSE demo</title>
 </head>
 
 <body>
+
+
 <!-- muted attribute required for chrome autoplay-->
 <!--        <audio id="stream_live" controls autoplay>Your browser does not support the audio tag.</audio>-->
-<video id="stream_live"
-       width="640" height="480"
-       controls autoplay
-       muted="muted"
-       preload="auto">
-    Your browser does not support the video tag.
-</video>
+<h2 align=center>
+    Stream = {{ .suuid }}
+</h2>
+<div class="container">
+    <div class="row">
+        <div class="col-3">
+            <div class="list-group">
+                {{ range $k, $v := .suuidMap }}
+                    <a href="/{{ $v }}" id="{{ $v }}" class="list-group-item list-group-item-action">{{ $k }}</a>
+                {{ end }}
+            </div>
+        </div>
+        <div class="col">
+            <video id="stream_live"
+                   style="width: 100%"
+                   controls autoplay
+                   preload="auto">
+                Your browser does not support the video tag.
+            </video>
+        </div>
+    </div>
+</div>
+
 </body>
 <style>
     /*video::-webkit-media-controls {*/
@@ -106,7 +132,7 @@ https://stackoverflow.com/questions/54186634/sending-periodic-metadata-in-fragme
             source_buffer = ms.addSourceBuffer(codecPars);
 
             // https://developer.mozilla.org/en-US/docs/Web/API/source_buffer/mode
-       //     let myMode = source_buffer.mode;
+            //     let myMode = source_buffer.mode;
             source_buffer.mode = 'sequence';
             // source_buffer.mode = 'segments';  // TODO: should we use this instead?
 
@@ -116,7 +142,7 @@ https://stackoverflow.com/questions/54186634/sending-periodic-metadata-in-fragme
             let latest = stream_live.duration;
             if ((stream_live.duration >= buffering_sec) &&
                 ((latest - stream_live.currentTime) > buffering_sec_seek)) {
-               // let thisSeekTime = Date.now()
+                // let thisSeekTime = Date.now()
                 // if(lastSeekTime !== undefined && (thisSeekTime - lastSeekTime  < 10000 )) {
                 //     console.log("Last seek time was ", (thisSeekTime-lastSeekTime)/1000," increasing buffering seconds seek from ", buffering_sec_seek," to " ,buffering_sec_seek *= 1.2);
                 // }
@@ -126,7 +152,7 @@ https://stackoverflow.com/questions/54186634/sending-periodic-metadata-in-fragme
                 df = (stream_live.duration - stream_live.currentTime); // this much away from the last available frame
                 if ((df > buffering_sec_seek)) {
                     seek_to = stream_live.duration - buffering_sec_seek_distance;
-                     stream_live.currentTime = seek_to;
+                    stream_live.currentTime = seek_to;
                 }
             }
 
@@ -177,8 +203,13 @@ https://stackoverflow.com/questions/54186634/sending-periodic-metadata-in-fragme
     function opened() { // MediaSource object is ready to go
         // https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/duration
         // ws = new WebSocket("ws://localhost:8089/ws/");
+        let urlStr = window.location.href
+        let url = new URL(urlStr);
+        let suuid = {{.suuid}}
+        if (suuid === undefined)
+            suuid = "stream1";
         let host = window.location.host
-        ws = new WebSocket("ws://" + host + "/ws/s1?suuid=stream1");
+        ws = new WebSocket("ws://" + host + "/ws/stream?suuid=" + suuid);
         ws.binaryType = "arraybuffer";
         ws.onmessage = function (event) {
             putPacket(event.data);
@@ -189,13 +220,18 @@ https://stackoverflow.com/questions/54186634/sending-periodic-metadata-in-fragme
         ms.addEventListener('sourceopen', opened, false);
 
         // get reference to video
-        stream_live  = document.getElementById('stream_live');
+        stream_live = document.getElementById('stream_live');
         //stream_live.latencyHint = 0.075
         // set mediasource as source of video
         stream_live.src = window.URL.createObjectURL(ms);
         // stream_live.controls = false;
         // stream_live.addEventListener("mouseover", () => {stream_live.controls=true;});
         // stream_live.addEventListener("mouseout", () => {stream_live.controls=false;});
+        let activeLink = document.getElementById({{.suuid}});
+        console.log(activeLink);
+        console.log(activeLink.classList);
+        activeLink.classList.add("active");
+
     }