ffmpeg -loop 1 \
-i base.jpg -i overlay1.png -i overlay2.mp4 \
-filter_complex "[0:v] scale=480:270 [stream1]; [1:v] overlay=0:0:enable='between(t,0,5)'" \
-c:v libx264 \
-pix_fmt yuv420p \
-t 20 \
-r 25 \
-y \
output.ts