-vcodec libx264 -b 512k -flags +loop+mv4 -cmp 256 \
	   -partitions +parti4x4+parti8x8+partp4x4+partp8x8+partb8x8 \
	   -me_method hex -subq 7 -trellis 1 -refs 5 -bf 3 \
	   -flags2 +bpyramid+wpred+mixed_refs+dct8x8 -coder 1 -me_range 16 \
           -g 250 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -qmin 10\
	   -qmax 51 -qdiff 4"