Add presets for all of the x264 presets, including fastfirstpass versions.

Not 100% accurate, since not all x264 options have ffmpeg equivalents yet.

Patch by Lou Logan.

Originally committed as revision 22144 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffpresets/libx264-fast.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partb8x8
+me_method=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=3
+refs=2
+directpred=1
+trellis=1
+flags2=+bpyramid+mixed_refs+wpred+dct8x8+fastpskip+mbtree
+wpredp=2

ffpresets/libx264-fast_firstpass.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=-parti8x8-parti4x4-partp8x8-partb8x8
+me_method=dia
+subq=2
+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=3
+refs=1
+directpred=1
+trellis=0
+flags2=+bpyramid-mixed_refs+wpred-dct8x8+fastpskip+mbtree
+wpredp=2

ffpresets/libx264-faster.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partb8x8
+me_method=hex
+subq=4
+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=3
+refs=2
+directpred=1
+trellis=1
+flags2=+bpyramid-mixed_refs+wpred+dct8x8+fastpskip-mbtree
+wpredp=1

ffpresets/libx264-faster_firstpass.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=-parti8x8-parti4x4-partp8x8-partb8x8
+me_method=dia
+subq=2
+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=3
+refs=1
+directpred=1
+trellis=0
+flags2=+bpyramid-mixed_refs+wpred-dct8x8+fastpskip-mbtree
+wpredp=1

ffpresets/libx264-medium.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partb8x8
+me_method=hex
+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=3
+refs=3
+directpred=1
+trellis=1
+flags2=+bpyramid+mixed_refs+wpred+dct8x8+fastpskip+mbtree
+wpredp=2

ffpresets/libx264-medium_firstpass.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=-parti8x8-parti4x4-partp8x8-partb8x8
+me_method=dia
+subq=2
+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=3
+refs=1
+directpred=1
+trellis=0
+flags2=+bpyramid-mixed_refs+wpred-dct8x8+fastpskip+mbtree
+wpredp=2

ffpresets/libx264-placebo.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partp4x4+partb8x8
+me_method=tesa
+subq=10
+me_range=24
+g=250
+keyint_min=25
+sc_threshold=40
+i_qfactor=0.71
+b_strategy=2
+qcomp=0.6
+qmin=10
+qmax=51
+qdiff=4
+bf=16
+refs=16
+directpred=3
+trellis=2
+flags2=+bpyramid+mixed_refs+wpred+dct8x8-fastpskip+mbtree
+wpredp=2

ffpresets/libx264-placebo_firstpass.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partp4x4+partb8x8
+me_method=tesa
+subq=10
+me_range=24
+g=250
+keyint_min=25
+sc_threshold=40
+i_qfactor=0.71
+b_strategy=2
+qcomp=0.6
+qmin=10
+qmax=51
+qdiff=4
+bf=16
+refs=16
+directpred=3
+trellis=2
+flags2=+bpyramid+mixed_refs+wpred+dct8x8-fastpskip+mbtree
+wpredp=2

ffpresets/libx264-slow.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partb8x8
+me_method=umh
+subq=8
+me_range=16
+g=250
+keyint_min=25
+sc_threshold=40
+i_qfactor=0.71
+b_strategy=2
+qcomp=0.6
+qmin=10
+qmax=51
+qdiff=4
+bf=3
+refs=5
+directpred=3
+trellis=1
+flags2=+bpyramid+mixed_refs+wpred+dct8x8+fastpskip+mbtree
+wpredp=2

ffpresets/libx264-slow_firstpass.ffpreset

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

ffpresets/libx264-slower.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partp4x4+partb8x8
+me_method=umh
+subq=9
+me_range=16
+g=250
+keyint_min=25
+sc_threshold=40
+i_qfactor=0.71
+b_strategy=2
+qcomp=0.6
+qmin=10
+qmax=51
+qdiff=4
+bf=3
+refs=8
+directpred=3
+trellis=2
+flags2=+bpyramid+mixed_refs+wpred+dct8x8+fastpskip+mbtree
+wpredp=2

ffpresets/libx264-slower_firstpass.ffpreset

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

ffpresets/libx264-ultrafast.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

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

ffpresets/libx264-veryfast.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4-partp8x8-partb8x8
+me_method=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
+bf=3
+refs=1
+directpred=1
+trellis=0
+flags2=+bpyramid-mixed_refs+wpred+dct8x8+fastpskip-mbtree
+wpredp=0

ffpresets/libx264-veryfast_firstpass.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=-parti8x8-parti4x4-partp8x8-partb8x8
+me_method=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
+bf=3
+refs=1
+directpred=1
+trellis=0
+flags2=+bpyramid-mixed_refs+wpred-dct8x8+fastpskip-mbtree
+wpredp=0

ffpresets/libx264-veryslow.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=+parti8x8+parti4x4+partp8x8+partp4x4+partb8x8
+me_method=umh
+subq=10
+me_range=24
+g=250
+keyint_min=25
+sc_threshold=40
+i_qfactor=0.71
+b_strategy=2
+qcomp=0.6
+qmin=10
+qmax=51
+qdiff=4
+bf=8
+refs=16
+directpred=3
+trellis=2
+flags2=+bpyramid+mixed_refs+wpred+dct8x8+fastpskip+mbtree
+wpredp=2

ffpresets/libx264-veryslow_firstpass.ffpreset

+coder=1
+flags=+loop
+cmp=+chroma
+partitions=-parti8x8-parti4x4-partp8x8-partb8x8
+me_method=dia
+subq=2
+me_range=24
+g=250
+keyint_min=25
+sc_threshold=40
+i_qfactor=0.71
+b_strategy=2
+qcomp=0.6
+qmin=10
+qmax=51
+qdiff=4
+bf=8
+refs=1
+directpred=3
+trellis=0
+flags2=+bpyramid-mixed_refs+wpred-dct8x8+fastpskip+mbtree
+wpredp=2