libx264 ffpresets:

 * default - x264 CLI default values
 * fastfirstpass - disables options unnecessary for first pass
 * normal - Dark Shikari’s Q55 preset
 * hq - Dark Shikari’s Q75 preset
 * max - all options maxed out (at time of writing)

Originally committed as revision 15348 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffpresets/libx264-default.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partb8x8
+me=hex
+subq=5
+me_range=16
+g=250
+keyint_min=25
+sc_threshold=40
+i_qfactor=0.71
+b_strategy=1
+qcomp=0.6
+qmin=10
+qmax=51
+qdiff=4
+directpred=1
+flags2=+fastpskip

ffpresets/libx264-fastfirstpass.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=-parti8x8-parti4x4-partp8x8-partp4x4-partb8x8
+me=dia
+subq=1
+me_range=16
+g=250
+keyint_min=25
+sc_threshold=40
+i_qfactor=0.71
+b_strategy=1
+qcomp=0.6
+qmin=10
+qmax=51
+qdiff=4
+refs=1
+directpred=1
+bidir_refine=0
+trellis=0
+flags2=-bpyramid-wpred-brdo-mixed_refs-dct8x8+fastpskip

ffpresets/libx264-hq.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partb8x8
+me=umh
+subq=7
+me_range=16
+g=250
+keyint_min=25
+sc_threshold=40
+i_qfactor=0.71
+b_strategy=1
+qcomp=0.6
+qmin=10
+qmax=51
+qdiff=4
+bf=16
+refs=4
+directpred=3
+bidir_refine=1
+trellis=1
+flags2=+bpyramid+wpred+brdo+mixed_refs+dct8x8+fastpskip

ffpresets/libx264-max.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partp4x4+partb8x8
+me=tesa
+subq=7
+me_range=32
+g=250
+keyint_min=25
+sc_threshold=40
+i_qfactor=0.71
+b_strategy=1
+qcomp=0.6
+qmin=10
+qmax=51
+qdiff=4
+bf=16
+refs=16
+directpred=3
+bidir_refine=1
+trellis=2
+flags2=+bpyramid+wpred+brdo+mixed_refs+dct8x8-fastpskip

ffpresets/libx264-normal.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partb8x8
+me=hex
+subq=6
+me_range=16
+g=250
+keyint_min=25
+sc_threshold=40
+i_qfactor=0.71
+b_strategy=1
+qcomp=0.6
+qmin=10
+qmax=51
+qdiff=4
+bf=16
+refs=2
+directpred=3
+bidir_refine=1
+trellis=0
+flags2=+bpyramid+wpred+dct8x8+fastpskip