Update app.py

app.py

@@ -131,7 +131,7 @@ def combine_audio_video(video_path, audio_path, output_path):
             'ffmpeg', '-stream_loop', str(loop_count), '-i', video_path, '-i', audio_path,
             '-t', str(audio_duration),  # Match the duration of the final video with the audio
             '-map', '0:v', '-map', '1:a',
-            '-c:v', 'copy', '-c:a', 'aac',
+            '-c:v', '-c:a', 'aac',
             '-shortest', '-y', output_path
         ]