vcodec=libx264 coder=1 level=4.1 crf=25 qmin=10 i_qfactor=0.71 bufsize=30M maxrate=30M g=250 keyint_min=25 sc_threshold=40 me_method=umh me_range=16 subq=7 refs=6 bf=16 b_strategy=1 partitions=+i8x8+i4x4+p4x4+p8x8+b8x8 flags=+loop deblock=0:0 cmp=chroma