По заветам Youtube

ffmpeg -i ./source/b4w_logic_1.mp4 \
-pix_fmt yuv420p -r 25 -g 12 -bf 2 \
-c:v libx264 -profile:v high \
-b:v 8M -bufsize 4M -maxrate 8M -minrate 128k \
-c:a libvo_aacenc -b:a 384k -ar 48000 \
./output/b4w_logic_1.mp4

exec bash