Update app.py

app.py

@@ -40,6 +40,45 @@ def convert_mp3_to_flac(mp3_file_path, progress=gr.Progress()):
         error_msg = f"Conversion failed: {str(e)}"
         raise gr.Error(error_msg)
 
+def convert_mp3_to_flac(mp3_file_path, progress=gr.Progress()):
+    """Convert MP3 file to 16-bit FLAC at 44.1kHz"""
+    try:
+        if not mp3_file_path:
+            raise ValueError("No file uploaded")
+        
+        progress(0, desc="Starting conversion...")
+        
+        # Read MP3 file
+        progress(0.2, desc="Loading MP3 file...")
+        audio = pydub.AudioSegment.from_mp3(mp3_file_path)
+        
+        # 1. Ensure 16-bit depth
+        progress(0.4, desc="Converting to 16-bit PCM...")
+        audio = audio.set_sample_width(2)  # 2 bytes = 16 bits
+        
+        # 2. NEW STEP: Resample to 44.1 kHz if needed[citation:5][citation:7]
+        # The sample rate is stored as `frame_rate` in pydub[citation:7]
+        if audio.frame_rate != 44100:
+            progress(0.6, desc=f"Resampling from {audio.frame_rate} Hz to 44.1 kHz...")
+            audio = audio.set_frame_rate(44100)  # Resample to the required rate
+        
+        # Save as FLAC
+        progress(0.8, desc="Saving as 44.1kHz FLAC...")
+        
+        # Create temporary file for output
+        with tempfile.NamedTemporaryFile(suffix='.flac', delete=False) as tmp:
+            flac_path = tmp.name
+        
+        # Export as FLAC with explicit parameters
+        audio.export(flac_path, format="flac", parameters=["-sample_fmt", "s16", "-ar", "44100"])
+        
+        progress(1.0, desc="Conversion complete!")
+        return flac_path
+    
+    except Exception as e:
+        raise gr.Error(f"Conversion failed: {str(e)}")
+
+
 def get_file_stats(file_path):
     """Get statistics about the uploaded file"""
     if not file_path or not os.path.exists(file_path):