--- /dev/null
+webm libvpx-vp9
+# 20171119-2100
+# based on https://developers.google.com/media/vp9/settings/vod/
+# for explanations see Feature5.pdf section 3
+# 2560x1440 (24, 25 or 30 frames per second)
+bitrate=6000k
+minrate=3000k
+maxrate=8700k
+tile-columns=3
+g=240
+threads=16
+quality=good
+crf=24
+speed=4