Update app.py

app.py

@@ -333,7 +333,8 @@ def edit_video(video_path):
         codec="libx264",
         audio_codec="aac",
         preset="veryslow",
-        bitrate="12000k",
+        ffmpeg_params=["-crf", "18", "-pix_fmt", "yuv420p"],
+        threads=2,
         verbose=False,
         logger=None
     )
@@ -440,8 +441,8 @@ def edit_video_raw(video_path: str) -> str:
         codec="libx264",
         audio_codec="aac",
         preset="veryslow",
-        bitrate="15000k",
-        threads=4,
+        ffmpeg_params=["-crf", "18", "-pix_fmt", "yuv420p"],
+        threads=2,
         logger=None,
         fps=clip.fps
     )