matroska libvpx-vp9 # 20171119-2100 # based on https://developers.google.com/media/vp9/settings/vod/ # for explanations reference the Cinelerra Manual # 640x480 (Medium Quality, 24, 25 or 30 frames per second) b=750k minrate=375k maxrate=1088k tile-columns=1 g=240 threads=4 quality=good crf=33 speed=4