ffmpeg/ffpresets/libx264-ultrafast_firstpass.ffpreset

coder=0
flags=-loop
cmp=+chroma
partitions=-parti8x8-parti4x4-partp8x8-partb8x8
me_method=dia
subq=0
me_range=16
g=250
keyint_min=25
sc_threshold=0
i_qfactor=0.71
b_strategy=0
qcomp=0.6
qmin=10
qmax=51
qdiff=4
bf=0
refs=1
directpred=1
trellis=0
flags2=-bpyramid-mixed_refs-wpred-dct8x8+fastpskip-mbtree
wpredp=0
aq_mode=0