Update app.py

app.py

@@ -20,7 +20,6 @@ def get_audio_duration(audio_path):
         return None
 
 def generate_video(audio_path, image_path):
-    # Validación básica
     if not os.path.isfile(audio_path) or not os.path.isfile(image_path):
         return "❌ Missing or invalid input files."
 
@@ -28,28 +27,27 @@ def generate_video(audio_path, image_path):
     if not duration:
         return "❌ Could not get audio duration. Check your audio file."
 
-    # Nombre único para evitar conflictos
-    output_filename = os.path.join(TEMP_DIR, f"output_{uuid.uuid4().hex[:8]}.mp4")
+    output_filename = os.path.join("temp_videos", f"output_{uuid.uuid4().hex[:8]}.mp4")
 
     try:
         cmd = [
             "ffmpeg", "-y",
             "-loop", "1", "-framerate", "1", "-i", image_path,
             "-i", audio_path,
+            "-vf", "scale=trunc(iw/2)*2:trunc(ih/2)*2",  # 👈 FIX AQUI
             "-c:v", "libx264", "-preset", "ultrafast", "-tune", "stillimage",
             "-c:a", "aac", "-b:a", "192k",
             "-t", str(duration),
-            "-r", "1", "-pix_fmt", "yuv420p",
+            "-pix_fmt", "yuv420p", "-r", "1",
             output_filename
         ]
 
         result = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
 
-        # Verificamos que el archivo exista y tenga tamaño
         if os.path.exists(output_filename) and os.path.getsize(output_filename) > 0:
             return output_filename
         else:
-            print("FFmpeg output:", result.stderr)  # debug log si quieres verlo
+            print("FFmpeg ERROR:", result.stderr)
             return "❌ Something went wrong while generating the video."
 
     except Exception as e: