# Invoke as sh dv2flv.sh infile.dv outfile.flv
mencoder $1  \
-ofps 25 \
-o $1.flv  \
-of lavf  \
-oac mp3lame \
-lameopts abr:br=64 \
-srate 22050 \
-ovc lavc  \
-lavcopts vcodec=flv:keyint=50:vbitrate=600:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 \
-vf scale=480:320  \

# to change the speed:
#-speed $3 \
# to rotate, IIRC this takes an integer:
#-vf-add rotate=$2 \