Hap encoder AVOptions:
-format <int> E..V...... (from 11 to 15) (default hap)
hap 11 E..V...... Hap 1 (DXT1 textures)
hap_alpha 14 E..V...... Hap Alpha (DXT5 textures)
hap_q 15 E..V...... Hap Q (DXT5-YCoCg textures)
-chunks <int> E..V...... chunk count (from 1 to 64) (default 1)
-compressor <int> E..V...... second-stage compressor (from 160 to 176) (default snappy)
none 160 E..V...... None
snappy 176 E..V...... Snappy
huffyuv AVOptions:
-non_deterministic <boolean> E..V...... Allow multithreading for e.g. context=1 at the expense of determinism (default true)
-pred <int> E..V...... Prediction method (from 0 to 2) (default left)
left 0 E..V......
plane 1 E..V......
median 2 E..V......