webm libvpx-vp9
# YOUTUBE & good for many web/mobile devices
# More VP9 options if choose format of webm
-# Refer to section 3.4 in Features5.pdf
+# Refer to Appendix C.3 in Cinelerra_GG manual
# 640x480 (Medium Quality, 24/25/30 frames per second)
-bitrate=750k
+b=750k
minrate=375k
maxrate=1088k
tile-columns=1