fix temp_audiofile permission issue (2)

utils/subtitler.py

@@ -41,6 +41,8 @@ def subtitler(video_file:str,
     video_file = os.path.abspath(video_file)
     srt_path = os.path.abspath(srt_path)
     output_file = os.path.abspath(output_file)
+    temp_dir = os.path.abspath(f"{'/'.join(os.path.normpath(video_file).split(os.path.sep)[:-1])}/")
+    temp_audiofile = os.path.join(temp_dir, "temp_audio_file.mp4") # workaround found in https://github.com/Zulko/moviepy/pull/1144, to be solved in v2.0 of moviepy
     clip = VideoFileClip(filename=video_file, target_resolution=None)
     subtitles = parse_srt(srt_path)
     subtitle_clips = []
@@ -56,4 +58,4 @@ def subtitler(video_file:str,
         text_position = (subtitle_x_position, subtitle_y_position)                    
         subtitle_clips.append(txt_clip.set_position(text_position))
     video = CompositeVideoClip(size=None, clips=[clip] + subtitle_clips)
-    video.write_videofile(output_file, codec='libx264', audio_codec='aac', temp_audiofile = None)
+    video.write_videofile(output_file, codec='libx264', audio_codec='aac', temp_audiofile = temp_audiofile)