Enable mbtree by default, and remove it from presets

Originally committed as revision 22671 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffpresets/libx264-baseline.ffpreset

@@ -1,4 +1,4 @@
 coder=0
 bf=0
-flags2=-wpred-dct8x8+mbtree
+flags2=-wpred-dct8x8
 wpredp=0

ffpresets/libx264-default.ffpreset

@@ -18,5 +18,5 @@ bf=3
 refs=3
 directpred=1
 trellis=1
-flags2=+mixed_refs+wpred+dct8x8+fastpskip+mbtree
+flags2=+mixed_refs+wpred+dct8x8+fastpskip
 wpredp=2

ffpresets/libx264-fast.ffpreset

@@ -18,5 +18,5 @@ bf=3
 refs=2
 directpred=1
 trellis=1
-flags2=+bpyramid+mixed_refs+wpred+dct8x8+fastpskip+mbtree
+flags2=+bpyramid+mixed_refs+wpred+dct8x8+fastpskip
 wpredp=2

ffpresets/libx264-fast_firstpass.ffpreset

@@ -18,5 +18,5 @@ bf=3
 refs=1
 directpred=1
 trellis=0
-flags2=+bpyramid-mixed_refs+wpred-dct8x8+fastpskip+mbtree
+flags2=+bpyramid-mixed_refs+wpred-dct8x8+fastpskip
 wpredp=2

ffpresets/libx264-fastfirstpass.ffpreset

@@ -18,5 +18,5 @@ bf=3
 refs=1
 directpred=3
 trellis=0
-flags2=-bpyramid-wpred-mixed_refs-dct8x8+fastpskip+mbtree
+flags2=-bpyramid-wpred-mixed_refs-dct8x8+fastpskip
 wpredp=2

ffpresets/libx264-hq.ffpreset

@@ -18,5 +18,5 @@ bf=3
 refs=4
 directpred=3
 trellis=1
-flags2=+wpred+mixed_refs+dct8x8+fastpskip+mbtree
+flags2=+wpred+mixed_refs+dct8x8+fastpskip
 wpredp=2

ffpresets/libx264-ipod320.ffpreset

@@ -1,6 +1,6 @@
 coder=0
 bf=0
-flags2=-wpred-dct8x8+mbtree
+flags2=-wpred-dct8x8
 level=13
 maxrate=768000
 bufsize=3000000

ffpresets/libx264-ipod640.ffpreset

@@ -1,7 +1,7 @@
 coder=0
 bf=0
 refs=1
-flags2=-wpred-dct8x8+mbtree
+flags2=-wpred-dct8x8
 level=30
 maxrate=10000000
 bufsize=10000000

ffpresets/libx264-lossless_fast.ffpreset

@@ -15,6 +15,6 @@ qmin=10
 qmax=51
 qdiff=4
 directpred=1
-flags2=+fastpskip+mbtree
+flags2=+fastpskip
 cqp=0
 wpredp=0

ffpresets/libx264-lossless_max.ffpreset

@@ -16,6 +16,6 @@ qmax=51
 qdiff=4
 refs=16
 directpred=1
-flags2=+mixed_refs+dct8x8+fastpskip+mbtree
+flags2=+mixed_refs+dct8x8+fastpskip
 cqp=0
 wpredp=2