Feat: basic audio waveform added.

apps/web/src/components/editor/audio-waveform.tsx

@@ -0,0 +1,115 @@
+import React, { useEffect, useRef, useState } from 'react';
+import WaveSurfer from 'wavesurfer.js';
+
+interface AudioWaveformProps {
+  audioUrl: string;
+  height?: number;
+  className?: string;
+}
+
+const AudioWaveform: React.FC<AudioWaveformProps> = ({ 
+  audioUrl, 
+  height = 32, 
+  className = '' 
+}) => {
+  const waveformRef = useRef<HTMLDivElement>(null);
+  const wavesurfer = useRef<WaveSurfer | null>(null);
+  const [isLoading, setIsLoading] = useState(true);
+  const [error, setError] = useState(false);
+
+  useEffect(() => {
+    let mounted = true;
+
+    const initWaveSurfer = async () => {
+      if (!waveformRef.current || !audioUrl) return;
+
+      try {
+        // Clean up any existing instance
+        if (wavesurfer.current) {
+          try {
+            wavesurfer.current.destroy();
+          } catch (e) {
+            // Silently ignore destroy errors
+          }
+          wavesurfer.current = null;
+        }
+
+        wavesurfer.current = WaveSurfer.create({
+          container: waveformRef.current,
+          waveColor: 'rgba(255, 255, 255, 0.6)',
+          progressColor: 'rgba(255, 255, 255, 0.9)',
+          cursorColor: 'transparent',
+          barWidth: 2,
+          barGap: 1,
+          height: height,
+          normalize: true,
+          interact: false,
+        });
+
+        // Event listeners
+        wavesurfer.current.on('ready', () => {
+          if (mounted) {
+            setIsLoading(false);
+            setError(false);
+          }
+        });
+
+        wavesurfer.current.on('error', (err) => {
+          console.error('WaveSurfer error:', err);
+          if (mounted) {
+            setError(true);
+            setIsLoading(false);
+          }
+        });
+
+        await wavesurfer.current.load(audioUrl);
+
+      } catch (err) {
+        console.error('Failed to initialize WaveSurfer:', err);
+        if (mounted) {
+          setError(true);
+          setIsLoading(false);
+        }
+      }
+    };
+
+    initWaveSurfer();
+
+    return () => {
+      mounted = false;
+      if (wavesurfer.current) {
+        try {
+          wavesurfer.current.destroy();
+        } catch (e) {
+          // Silently ignore destroy errors
+        }
+        wavesurfer.current = null;
+      }
+    };
+  }, [audioUrl, height]);
+
+  if (error) {
+    return (
+      <div className={`flex items-center justify-center ${className}`} style={{ height }}>
+        <span className="text-xs text-foreground/60">Audio unavailable</span>
+      </div>
+    );
+  }
+
+  return (
+    <div className={`relative ${className}`}>
+      {isLoading && (
+        <div className="absolute inset-0 flex items-center justify-center">
+          <span className="text-xs text-foreground/60">Loading...</span>
+        </div>
+      )}
+      <div 
+        ref={waveformRef} 
+        className={`w-full transition-opacity duration-200 ${isLoading ? 'opacity-0' : 'opacity-100'}`}
+        style={{ height }}
+      />
+    </div>
+  );
+};
+
+export default AudioWaveform;

apps/web/src/components/editor/timeline.tsx

@@ -35,6 +35,7 @@ import {
   SelectTrigger,
   SelectValue,
 } from "../ui/select";
+import AudioWaveform from "./audio-waveform";
 
 export function Timeline() {
   // Timeline shows all tracks (video, audio, effects) and their clips.
@@ -1626,7 +1627,21 @@ function TimelineTrackContent({
       );
     }
 
-    // Fallback for audio or videos without thumbnails
+    if (mediaItem.type === "audio") {
+    return (
+      <div className="w-full h-full flex items-center gap-2">
+        <div className="flex-1 min-w-0">
+          <AudioWaveform 
+            audioUrl={mediaItem.url} 
+            height={24}
+            className="w-full"
+          />
+        </div>
+      </div>
+    );
+  }
+
+    // Fallback for videos without thumbnails
     return (
       <span className="text-xs text-foreground/80 truncate">{clip.name}</span>
     );

bun.lock

@@ -4,6 +4,7 @@
     "": {
       "dependencies": {
         "next": "^15.3.4",
+        "wavesurfer.js": "^7.9.8",
       },
       "devDependencies": {
         "turbo": "^2.5.4",
@@ -902,6 +903,8 @@
 
     "victory-vendor": ["victory-vendor@36.9.2", "", { "dependencies": { "@types/d3-array": "^3.0.3", "@types/d3-ease": "^3.0.0", "@types/d3-interpolate": "^3.0.1", "@types/d3-scale": "^4.0.2", "@types/d3-shape": "^3.1.0", "@types/d3-time": "^3.0.0", "@types/d3-timer": "^3.0.0", "d3-array": "^3.1.6", "d3-ease": "^3.0.1", "d3-interpolate": "^3.0.1", "d3-scale": "^4.0.2", "d3-shape": "^3.1.0", "d3-time": "^3.0.0", "d3-timer": "^3.0.1" } }, "sha512-PnpQQMuxlwYdocC8fIJqVXvkeViHYzotI+NJrCuav0ZYFoq912ZHBk3mCeuj+5/VpodOjPe1z0Fk2ihgzlXqjQ=="],
 
+    "wavesurfer.js": ["wavesurfer.js@7.9.8", "", {}, "sha512-Mxz6qRwkSmuWVxLzp0XQ6EzSv1FTvQgMEUJTirLN1Ox76sn0YeyQlI99WuE+B0IuxShPHXIhvEuoBSJdaQs7tA=="],
+
     "which": ["which@2.0.2", "", { "dependencies": { "isexe": "^2.0.0" }, "bin": { "node-which": "./bin/node-which" } }, "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA=="],
 
     "wrap-ansi": ["wrap-ansi@8.1.0", "", { "dependencies": { "ansi-styles": "^6.1.0", "string-width": "^5.0.1", "strip-ansi": "^7.0.1" } }, "sha512-si7QWI6zUMq56bESFvagtmzMdGOtoxfR+Sez11Mobfc7tm+VkUckk9bW2UeffTGVUbOksxmSw0AA2gs8g71NCQ=="],

package.json

@@ -16,6 +16,7 @@
     "format": "turbo run format"
   },
   "dependencies": {
-    "next": "^15.3.4"
+    "next": "^15.3.4",
+    "wavesurfer.js": "^7.9.8"
   }
 }