exec mencoder \
-oac lavc -ovc lavc \
-of mpeg \
-mpegopts format=dvd:tsaf \
-vf softskip,scale=720:576,hqdn3d,harddup \
-srate 48000 \
-af lavcresample=48000:volnorm=2 \
-ofps 25 \
-lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=5120:vstrict=0:keyint=15:vbitrate=5120:acodec=ac3:abitrate=192:autoaspect \
"$1" -o "$2"