XviD:

- document chroma_opt, hq_ac & vhq
- nicer start of the "unstable" section
- me_quality default is now 6 (max)


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9819 b3059339-0415-0410-9bf9-f77b7e298cf2

DOCS/en/mplayer.1

@@ -3395,7 +3395,7 @@ if >16000
 .IPs fixed_quant=<1\-31>
 switch to fixed quantizer mode and specify the quantizer to be used
 .IPs me_quality=<0\-6>
-specify the motion detection quality (default=4)
+specify the motion detection quality (default=6)
 .IPs interlacing
 enable support for interlaced content (default=off)
 .IPs 4mv
@@ -3433,19 +3433,20 @@ this is *not* the 2pass control file
 .IPs kfreduction=<0\-100>
 (default=30, 2pass mode only)
 .RE
-.br
+
+.RSs
 The folowing options are only available with the unstable (cvs -HEAD)
 version of XviD. Be warned that these options are experimental and may
 not work as intended.
-.
-.RSS
 .IPs packed
 create a bitstream that can be decoded delay-free (default=off)
 .br
-WARNING: this will generate an illegal bitstream, and WILL NOT be 
+.I WARNING:
+this will generate an illegal bitstream, and WILL NOT be 
 decodeable by ISO-MPEG4 deocoders except divx/libavcodec/xvid
 .br
-WARNING: this will allso store a fake divx version in the file so the bug
+.I WARNING:
+this will also store a fake divx version in the file so the bug
 autodetection of some decoders might be confused
 .IPs divx5bvop
 generate DivX5 compatible B-frames (default=on)
@@ -3455,6 +3456,8 @@ enable quarter-pixel motion estimation (default=off)
 enable global motion compensation, may save bits on panning scenes (default=off)
 .IPs chroma_me
 uses chroma information to estimate motion (default=off)
+.IPs chroma_opt
+enable a chroma optimizer prefilter (default=off)
 .IPs reduced
 enable encoding reduced resolution frames (default=off)
 .IPs max_bframes=<0\-4>
@@ -3463,6 +3466,21 @@ maximum number of B frames to put between I/P frames (default=0)
 quantizer ratio between B and non B frames, 150=1.50 (default=150)
 .IPs bquant_offset=<-1000\-1000>
 quantizer offset between B and non B frames, 100=1.00 (default=100)
+.IPs hq_ac
+enable a better prediction of AC component, will save bits at cost of a 
+slightly slower encoding (default=off)
+.IPs vhq=<0\-3>
+enable a higher quality ME search using DCT, 3 possible settings
+(faster to slower):
+
+.br
+0 = off (default)
+.br
+1 = limited search
+.br
+2 = medium search
+.br
+3 = wide search
 .IPs psnr
 print the psnr (peak signal to noise ratio) for the whole video after encoding
 and store the per frame psnr in a file with a name like 'psnr_hhmmss.log'.