webm libvpx-vp9 # 20171119-2100 # based on https://developers.google.com/media/vp9/settings/vod/ # for explanations reference the Cinelerra Manual # 3840x2160 (24, 25 or 30 frames per second) b=12000k minrate=6000k maxrate=17400k tile-columns=4 g=240 threads=24 quality=good crf=15 speed=4