Update app.py

app.py

@@ -322,6 +322,7 @@ def generate_subtitles(audio_file_path, prompt, language, auto_detect_language,
  chunk_path,
  "-vf",
  f"subtitles={temp_srt_path}:fontsdir={font_dir}:force_style='Fontname={font_name},Fontsize={int(font_size)},PrimaryColour=&H{font_color[1:]}&,OutlineColour=&H{outline_color[1:]}&,BorderStyle={int(outline_thickness)},Outline=1'",
+ "-preset", "fast",
  output_file_path,
  ],
  check=True,
@@ -402,6 +403,7 @@ def generate_subtitles(audio_file_path, prompt, language, auto_detect_language,
  audio_file_path,
  "-vf",
  f"subtitles={temp_srt_path}:fontsdir={font_dir}:force_style='FontName={font_name},Fontsize={int(font_size)},PrimaryColour=&H{font_color[1:]}&,OutlineColour=&H{outline_color[1:]}&,BorderStyle={int(outline_thickness)},Outline=1'",
+ "-preset", "fast",
  output_file_path,
  ],
  check=True,