color /home/inwiter/Desktop/v1.mp4 composite 0 2 1 0=25.0132309942%,25.0132309942%:49.9735380117%x49.9735380117%:100; -1=0.0614035087719%,0.0614035087719%:99.8771929825%x99.8771929825%:100; centre centre 0 1 mix 0 2 1 1