h261
h263
h263p
libx264
libx264rgb
mpeg1video
mpeg2video
libxvid
mpeg4
libopenh264
libx265
wmv1
wmv2
libtheora
libvpx
flashsv
flv
asv1
asv2
vc2
dvvideo
roqvideo
======================
ffvhuf
hap
huffyuv
jpeg2000
libopenjpeg
jpegls
mjpeg
msvideo1
png
prores
prores_aw
prores_ks
r10k
r210
rawvideo
snow
svq1
utvideo
libvpx-vp9