Update preset files to jive somewhat better with more recent x264 API.

Originally committed as revision 19837 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffpresets/libx264-default.ffpreset

@@ -3,7 +3,7 @@ flags=+loop
 cmp=+chroma
 partitions=+parti8x8+parti4x4+partp8x8+partb8x8
 me_method=hex
-subq=6
+subq=7
 me_range=16
 g=250
 keyint_min=25
@@ -14,5 +14,8 @@ qcomp=0.6
 qmin=10
 qmax=51
 qdiff=4
+bf=3
+refs=3
 directpred=1
-flags2=+fastpskip
+trellis=1
+flags2=+mixed_refs+wpred+dct8x8+fastpskip

ffpresets/libx264-fastfirstpass.ffpreset

@@ -14,7 +14,7 @@ qcomp=0.6
 qmin=10
 qmax=51
 qdiff=4
-bf=4
+bf=3
 refs=1
 directpred=3
 trellis=0

ffpresets/libx264-hq.ffpreset

@@ -14,8 +14,8 @@ qcomp=0.6
 qmin=10
 qmax=51
 qdiff=4
-bf=4
+bf=3
 refs=4
 directpred=3
 trellis=1
-flags2=+bpyramid+wpred+mixed_refs+dct8x8+fastpskip
+flags2=+wpred+mixed_refs+dct8x8+fastpskip

ffpresets/libx264-max.ffpreset

@@ -3,8 +3,8 @@ flags=+loop
 cmp=+chroma
 partitions=+parti8x8+parti4x4+partp8x8+partp4x4+partb8x8
 me_method=tesa
-subq=9
-me_range=32
+subq=10
+me_range=24
 g=250
 keyint_min=25
 sc_threshold=40
@@ -14,8 +14,8 @@ qcomp=0.6
 qmin=10
 qmax=51
 qdiff=4
-bf=4
+bf=3
 refs=16
 directpred=3
 trellis=2
-flags2=+bpyramid+wpred+mixed_refs+dct8x8-fastpskip
+flags2=+wpred+mixed_refs+dct8x8-fastpskip

ffpresets/libx264-normal.ffpreset

@@ -14,8 +14,8 @@ qcomp=0.6
 qmin=10
 qmax=51
 qdiff=4
-bf=4
+bf=3
 refs=2
 directpred=3
 trellis=0
-flags2=+bpyramid+wpred+dct8x8+fastpskip
+flags2=+wpred+dct8x8+fastpskip

ffpresets/libx264-slowfirstpass.ffpreset

@@ -14,8 +14,8 @@ qcomp=0.6
 qmin=10
 qmax=51
 qdiff=4
-bf=4
+bf=3
 refs=1
 directpred=3
 trellis=0
-flags2=+bpyramid+wpred+dct8x8+fastpskip
+flags2=+wpred+dct8x8+fastpskip