ffmpeg \
-r 30000/1001 \
-i 'frames/dither-%04d.png' \
-i 'cats-audio.wav' \
-ac 2 \
-ar 48000 \
-vf 'pad=w=640:h=360:x=52:y=20' \
-pix_fmt yuv420p \
-movflags +faststart \
-y cats-dither.mp4
