AudioManager: Loop-Toggle und globaler Audio-Stop

Loop AN/AUS Button in der Header-Leiste. Wenn Loop aktiv,
wird der angeklickte Sound endlos wiederholt (zum Testen
ob z.B. Wirbelwind sauber loopt). Nur ein Sound spielt
gleichzeitig - neuer Klick stoppt den vorherigen.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

comfyui-audio/comfyui_audiocraft/web/js/audioManager.js

@@ -1,6 +1,8 @@
 import { app } from "../../../scripts/app.js";
 import { api } from "../../../scripts/api.js";
 
+let loopEnabled = false;
+
 app.registerExtension({
     name: "AudioCraft.AudioManager",
     async beforeRegisterNodeDef(nodeType, nodeData, app) {
@@ -29,7 +31,6 @@ app.registerExtension({
                     });
                 }
 
-                // Resize node to fit all files (26px per row + header + padding)
                 const listHeight = Math.min(40 + files.length * 26, 800);
                 this._managerWidget.computeSize = () => [this.size[0], listHeight];
                 this.setSize([Math.max(this.size[0], 500), listHeight + 80]);
@@ -39,11 +40,47 @@ app.registerExtension({
     },
 });
 
+// Track currently playing audio globally so only one plays at a time
+let activeAudio = null;
+let activeBtn = null;
+
+function stopActive() {
+    if (activeAudio) {
+        activeAudio.pause();
+        activeAudio = null;
+    }
+    if (activeBtn) {
+        activeBtn.textContent = "\u25B6";
+        activeBtn.style.color = "#8f8";
+        activeBtn = null;
+    }
+}
+
 function buildContent(container, summary, files) {
-    const header = document.createElement("div");
+    // Header with summary + loop toggle
-    header.textContent = summary;
+    const headerRow = document.createElement("div");
-    header.style.cssText = "font-weight:bold;margin-bottom:8px;color:#fff;font-size:13px;padding:4px;background:#333;border-radius:4px;";
+    headerRow.style.cssText = "display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;padding:4px;background:#333;border-radius:4px;";
-    container.appendChild(header);
+
+    const headerText = document.createElement("span");
+    headerText.textContent = summary;
+    headerText.style.cssText = "font-weight:bold;color:#fff;font-size:13px;";
+
+    const loopBtn = document.createElement("button");
+    loopBtn.textContent = loopEnabled ? "\uD83D\uDD01 Loop AN" : "\uD83D\uDD01 Loop AUS";
+    loopBtn.style.cssText = `background:${loopEnabled ? "#2a5a2a" : "#444"};border:none;color:${loopEnabled ? "#8f8" : "#888"};cursor:pointer;padding:3px 8px;border-radius:3px;font-size:11px;`;
+    loopBtn.onclick = () => {
+        loopEnabled = !loopEnabled;
+        loopBtn.textContent = loopEnabled ? "\uD83D\uDD01 Loop AN" : "\uD83D\uDD01 Loop AUS";
+        loopBtn.style.background = loopEnabled ? "#2a5a2a" : "#444";
+        loopBtn.style.color = loopEnabled ? "#8f8" : "#888";
+        if (activeAudio) {
+            activeAudio.loop = loopEnabled;
+        }
+    };
+
+    headerRow.appendChild(headerText);
+    headerRow.appendChild(loopBtn);
+    container.appendChild(headerRow);
 
     if (files.length === 0) return;
 
@@ -64,33 +101,41 @@ function buildContent(container, summary, files) {
         playBtn.title = "Abspielen";
         playBtn.style.cssText = "background:#444;border:none;color:#8f8;cursor:pointer;padding:2px 8px;border-radius:3px;font-size:11px;margin-right:4px;";
 
-        const dlBtn = document.createElement("a");
         const audioSrc = api.apiURL(
             `/view?filename=${encodeURIComponent(f.name)}&subfolder=audio&type=output`
         );
+
+        const dlBtn = document.createElement("a");
         dlBtn.href = audioSrc;
         dlBtn.download = f.name;
         dlBtn.textContent = "\u2B07";
         dlBtn.title = "Download";
         dlBtn.style.cssText = "color:#8cf;text-decoration:none;font-size:13px;padding:0 4px;";
 
-        let currentAudio = null;
         playBtn.onclick = () => {
-            if (currentAudio) {
+            // If clicking the same button that's playing, stop it
-                currentAudio.pause();
+            if (activeBtn === playBtn) {
-                currentAudio = null;
+                stopActive();
-                playBtn.textContent = "\u25B6";
-                playBtn.style.color = "#8f8";
                 return;
             }
-            currentAudio = new Audio(audioSrc);
+            // Stop any other playing audio first
-            currentAudio.play();
+            stopActive();
+
+            const audio = new Audio(audioSrc);
+            audio.loop = loopEnabled;
+            audio.play();
+            activeAudio = audio;
+            activeBtn = playBtn;
             playBtn.textContent = "\u25A0";
             playBtn.style.color = "#f88";
-            currentAudio.onended = () => {
+
-                playBtn.textContent = "\u25B6";
+            audio.onended = () => {
-                playBtn.style.color = "#8f8";
+                if (!audio.loop) {
-                currentAudio = null;
+                    playBtn.textContent = "\u25B6";
+                    playBtn.style.color = "#8f8";
+                    activeAudio = null;
+                    activeBtn = null;
+                }
             };
         };