ffmpeg-8bit -f image2 -framerate 24 -i new_frames/%d.png -i audio.m4a \
-r 24 -vf "crop=1434:955:3:0,scale=1280:720" -pix_fmt yuv420p \
-c:v libx264 -preset slow -level 5.1 -crf 18 \
-c:a copy \
film.mp4