Stream proxy: MediaTailor redirect gre do klienta (fix 404 po signal switchu); VU varovalka ob tihem analizatorju

views/index.ejs

@@ -156,6 +156,7 @@
   var audioCtx = null, analyser = null, vuRaf = null, freqData = null;
   function initAnalyser(){
     if (audioCtx || !window.AudioContext && !window.webkitAudioContext) return;
+    if (!(window.Hls && Hls.isSupported())) return; // native HLS (Safari): CORS taint bi ubil zvok
     try {
       audioCtx = new (window.AudioContext || window.webkitAudioContext)();
       var src = audioCtx.createMediaElementSource(video);
@@ -167,9 +168,13 @@
       freqData = new Uint8Array(analyser.frequencyBinCount);
     } catch(e) { audioCtx = null; analyser = null; }
   }
+  var vuZeroFrames = 0;
   function vuLoop(){
     if (!analyser) return;
     analyser.getByteFrequencyData(freqData);
+    var total = 0; for (var z = 0; z < freqData.length; z++) total += freqData[z];
+    if (total === 0) { if (++vuZeroFrames > 150 && !video.paused && !video.muted) { vuEl.classList.remove('live'); for (var q = 0; q < vuBars.length; q++) vuBars[q].style.transform=''; vuRaf = requestAnimationFrame(vuLoop); return; } }
+    else { vuZeroFrames = 0; if (!video.muted) vuEl.classList.add('live'); }
     var n = vuBars.length; // 7 stolpcev, razporejenih cez spekter (bas -> visine)
     for (var i = 0; i < n; i++) {
       var a = Math.floor(i * freqData.length / (n + 4));