Update app.py

app.py

@@ -58,10 +58,6 @@ os.makedirs(TEMP_DIR, exist_ok=True)
 model_load_lock = Lock()
 loaded_detectors = {}
 whisper_model = None
-# --- ACTION REQUIRED ---
-# Please download a sound file, name it 'finish_sound.mp3', 
-# and place it in the same directory as this app.py file.
-# A good one can be found here: https://cdn.pixabay.com/download/audio/2022/03/15/audio_2289a72212.mp3?filename=whistle-108713.mp3
 
 # --- Default Presets for Transfer Tab (Flat Dictionary) ---
 DEFAULT_LINK_PRESETS = {
@@ -1969,63 +1965,68 @@ bling_js = """
         const a=document.createElement("script");a.setAttribute("src","https://cdn.jsdelivr.net/npm/canvas-confetti@1.9.2/dist/confetti.browser.min.js"),document.head.appendChild(a),a.onload=()=>{var e=confetti.create(null,{resize:!0,useWorker:!0});e({particleCount:150,spread:90,origin:{y:.6}})}
     }
 
-    // --- Audio Feedback with Delay and Echo ---
+    // --- Audio Feedback with Synthesized Whistle ---
     const skriptz_audio = {
         context: null,
-        buffer: null,
         isInitialized: false,
     };
 
     async function init_audio() {
         if (skriptz_audio.isInitialized) return;
         try {
+            // Create AudioContext
             skriptz_audio.context = new (window.AudioContext || window.webkitAudioContext)();
-            // --- FIX FOR BROWSER AUTOPLAY POLICY ---
+            // Resume context if suspended by browser's autoplay policy
             if (skriptz_audio.context.state === 'suspended') {
                 await skriptz_audio.context.resume();
             }
-            const response = await fetch('/file=finish_sound.mp3');
-            if (!response.ok) {
-                console.warn(`Finish sound not loaded: ${response.status} ${response.statusText}. Ensure 'finish_sound.mp3' is in the root directory and 'allowed_paths' is set in demo.launch().`);
-                skriptz_audio.isInitialized = true;
-                return;
-            }
-            const arrayBuffer = await response.arrayBuffer();
-            skriptz_audio.buffer = await skriptz_audio.context.decodeAudioData(arrayBuffer);
         } catch (e) {
-            console.error('Error initializing or decoding audio:', e);
+            console.error('Failed to initialize Web Audio API:', e);
         }
         skriptz_audio.isInitialized = true;
     }
 
     async function play_finish_sound() {
-        if (!skriptz_audio.isInitialized || !skriptz_audio.context) {
+        // Ensure audio context is ready
+        if (!skriptz_audio.isInitialized) {
             await init_audio();
         }
-        if (!skriptz_audio.buffer || !skriptz_audio.context) return;
-        
-        // --- FIX FOR BROWSER AUTOPLAY POLICY ---
-        if (skriptz_audio.context.state === 'suspended') {
-            await skriptz_audio.context.resume();
-        }
-        
         const context = skriptz_audio.context;
-        const source = context.createBufferSource();
-        source.buffer = skriptz_audio.buffer;
-        
-        const delay = context.createDelay();
-        delay.delayTime.value = 0.25;
-        
-        const feedback = context.createGain();
-        feedback.gain.value = 0.4;
-
-        source.connect(context.destination);
-        source.connect(delay);
-        delay.connect(feedback);
-        feedback.connect(delay);
-        delay.connect(context.destination);
+        if (!context) return;
+
+        // Resume context if needed (e.g., after user interaction)
+        if (context.state === 'suspended') {
+            await context.resume();
+        }
+
+        const now = context.currentTime;
+
+        // Create audio nodes
+        const oscillator = context.createOscillator();
+        const gainNode = context.createGain();
+
+        // Connect nodes: Oscillator -> Gain -> Output
+        oscillator.connect(gainNode);
+        gainNode.connect(context.destination);
+
+        // --- Configure Sound ---
+        // Oscillator for the tone
+        oscillator.type = 'sine'; 
         
-        source.start(0);
+        // Pitch envelope (the "whistle" sound)
+        const startFreq = 2000;
+        const endFreq = 1000;
+        oscillator.frequency.setValueAtTime(startFreq, now);
+        oscillator.frequency.exponentialRampToValueAtTime(endFreq, now + 0.15);
+
+        // Volume envelope (to make it short and prevent clicks)
+        gainNode.gain.setValueAtTime(0, now);
+        gainNode.gain.linearRampToValueAtTime(0.4, now + 0.02); // Quick fade-in
+        gainNode.gain.linearRampToValueAtTime(0, now + 0.15); // Fade-out with pitch drop
+
+        // Start and stop the sound
+        oscillator.start(now);
+        oscillator.stop(now + 0.2);
     }
     
     // --- Dynamic Page Title ---
@@ -2859,6 +2860,4 @@ if __name__ == "__main__":
         try: shutil.rmtree(TEMP_DIR)
         except OSError as e: print(f"Error removing temp directory {TEMP_DIR}: {e}")
     os.makedirs(TEMP_DIR, exist_ok=True)
-    # --- THIS IS THE MAIN FIX ---
-    # Add allowed_paths to let Gradio serve the sound file from the current directory.
-    demo.launch(inbrowser=True, allowed_paths=["."])
+    demo.launch(inbrowser=True)