1080to540 \
720to480 \
aging \
+ alpha \
scaleratio \
audioscope \
bandslide \
chromakeyhsv \
color3way \
colorbalance \
+ colorspace \
compressor \
compressormulti \
crikey \
flanger \
flash \
flip \
+ foreground \
framefield \
freeverb \
freezeframe \