fix: remove double-decode probe — fixes MP3/WAV on mobile

index.html

@@ -615,16 +615,14 @@
     if (!audioCtx) audioCtx = new (window.AudioContext || window.webkitAudioContext)();
     for (const file of files) {
       showLcdMessage('READING: ' + file.name.slice(0, 20));
-      let arrayBuffer;
+      let buffer;
       try {
-        // Couche 1 : essai natif
-        arrayBuffer = await file.arrayBuffer();
-        await audioCtx.decodeAudioData(arrayBuffer.slice(0)); // slice pour ne pas consommer le buffer
-        arrayBuffer = await file.arrayBuffer(); // re-lire proprement
+        // Couche 1 : décodage natif direct (résultat réutilisé, pas de double-décodage)
+        buffer = await audioCtx.decodeAudioData(await file.arrayBuffer());
       } catch (_) {
         // Couche 2 : fallback ffmpeg.wasm
         try {
-          arrayBuffer = await transcodeToArrayBuffer(file);
+          buffer = await audioCtx.decodeAudioData(await transcodeToArrayBuffer(file));
         } catch (err) {
           console.error('Cannot decode:', file.name, err);
           showLcdMessage('ERROR: ' + file.name.slice(0, 18));
@@ -632,13 +630,6 @@
           continue;
         }
       }
-      let buffer;
-      try {
-        buffer = await audioCtx.decodeAudioData(arrayBuffer);
-      } catch (err) {
-        console.error('decodeAudioData failed after transcode:', file.name, err);
-        continue;
-      }
       const { artist, title } = parseName(file.name);
       state.tracks.push({ name: file.name, artist, title, buffer });
     }