ffpresets/libx264-lossless_slow.ffpreset

   1 coder=1
   2 flags=+loop
   3 cmp=+chroma
   4 partitions=+parti8x8+parti4x4+partp8x8+partp4x4-partb8x8
   5 me_method=umh
   6 subq=6
   7 me_range=16
   8 g=250
   9 keyint_min=25
  10 sc_threshold=40
  11 i_qfactor=0.71
  12 b_strategy=1
  13 qcomp=0.6
  14 qmin=10
  15 qmax=51
  16 qdiff=4
  17 refs=2
  18 directpred=1
  19 flags2=+dct8x8+fastpskip
  20 cqp=0