pix_fmt=yuv420p
vcodec=libx265
crf=31
g=249
bf=8
preset=slow
x265-params=weightb=1:open-gop=0
channels=1
acodec=ac3
ar=44100
ab=80k
f=mp4
movflags=+faststart

meta.preset.extension=mp4
meta.preset.note=Small file size for slide decks, video conferences, and screencasts. Hardware encoding not recommended.
meta.preset.name=Slide Deck (HEVC)