Update app.py

app.py

@@ -395,14 +395,24 @@ restart_markdown = ("""
 
 import ffmpeg
 
+def save_file_with_new_name(original_file_path, new_file_path):
+    shutil.copyfile(original_file_path, new_file_path)
+
+
 def denoise(input_files):
     delete_sliced_files("./", "input_video")
 
     #if os.path.exists("audio_full.wav"):
     #    os.remove("audio_full.wav")
     for video_file in input_files:
+
+        name1 = video_file.name
+        file_name_with_extension = name1.split('/')[-1]
+        file_name1 = file_name_with_extension.split('.mp4')[0] + ".wav"
+
+        save_file_with_new_name(video_file.name, file_name1)
         
-        ffmpeg.input(video_file.name).output("input_video" + video_file.name + ".wav", ac=2, ar=44100).run()
+        ffmpeg.input(file_name1).output("input_video" + file_name1 + ".wav", ac=2, ar=44100).run()
 
     zip_sliced_files("./", "转换后的音频.zip", "input_video")