apng # libpng
ass # trivial
ayuv # trival
bmp # trivial
ffv1
ffvhuff # trivial+zlib
flac # libFLAC
gif # libpng
huffyuv # trivial+zlib
jpegls
libaom # AV1
libaom_av1 # AV1
libgsm
libmp3lame
libopenjpeg
libopus
libschroedinger
libspeex
libtheora
libtwolame
libvorbis
libvpx_vp8
libvpx_vp9
libwebp
libwebp_anim
mjpeg # mjpegtools
mpeg1video
mpeg2video
mp2 # twolame
mp2fixed # twolame
opus
pam
pbm
pcm_alaw
pcm_f32be
pcm_f32le
pcm_f64be
pcm_f64le
pcm_mulaw
pcm_s16be
pcm_s16be_planar
pcm_s16le
pcm_s16le_planar
pcm_s24be
pcm_s24le
pcm_s24le_planar
pcm_s32be
pcm_s32le
pcm_s32le_planar
pcm_s8
pcm_s8_planar
pcm_u16be
pcm_u16le
pcm_u24be
pcm_u24le
pcm_u32be
pcm_u32le
pcm_u8
pcx
pgm
pgmyuv
png
ppm
sgi
srt
ssa
sunrast
targa
text
tiff
v210
v308
v408
v410
vorbis
xbm
xwd
y41p
yuv4
zlib