the output:

Code:
[name@name ~/www.domain.com/html/video]$ /usr/local/bin/mencoder /www/virtual/www.domain.com/html/video/ziggy10.wmv -o /www/virtual/www.domain.com/html/flvideo/test.flv -of lavf -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=500:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -srate 22050 -ofps 24 -vf harddup
MEncoder 1.0rc2-3.4.2 (C) 2000-2007 MPlayer Team
CPU: Intel(R) Pentium(R) 4 CPU 3.00GHz (Family: 15, Model: 4, Stepping: 9)
CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.
success: format: 0  data: 0x0 - 0x76ee0a
ASF file format detected.
[asfheader] Audio stream found, -aid 1
[asfheader] Video stream found, -vid 2
VIDEO:  [WMV3]  640x480  24bpp  1000.000 fps  834.4 kbps (101.9 kbyte/s)
[V] filefmt:6  fourcc:0x33564D57  size:640x480  fps:1000.00  ftime:=0.0010
==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
AUDIO: 44100 Hz, 2 ch, s16le, 123.9 kbit/8.78% (ratio: 15482->176400)
Selected audio codec: [ffwmav2] afm: ffmpeg (DivX audio v2 (FFmpeg))
==========================================================================
** MUXER_LAVF *****************************************************************
REMEMBER: MEncoder's libavformat muxing is presently broken and can generate
INCORRECT files in the presence of B frames. Moreover, due to bugs MPlayer
will play these INCORRECT files as if nothing were wrong!
*******************************************************************************
OK, exit
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
Opening video filter: [harddup]
==========================================================================
Requested video codec family [wmv9dmo] (vfm=dmo) not available.
Enable it at compilation.
Requested video codec family [wmvdmo] (vfm=dmo) not available.
Enable it at compilation.
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffwmv3] vfm: ffmpeg (FFmpeg M$ WMV3/WMV9)
==========================================================================
MP3 audio selected.
VDec: vo config request - 640 x 480 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
videocodec: libavcodec (640x480 fourcc=31564c46 [FLV1])
[VE_LAVC] High quality encoding selected (non-realtime)!
Compiler did not align stack variables. Libavcodec has been miscompiled
and may be very slow or crash. This is not a bug in libavcodec,
but in the compiler. You may try recompiling using gcc >= 4.2.
Do not report crashes to FFmpeg developers.
VIDEO CODEC ID: 22
AUDIO CODEC ID: 15001, TAG: 0
Writing header...

6 duplicate frame(s)!
Pos:   0.5s      6f ( 1%)  0.00fps Trem:   0min   2mb  A-V:0.013 [0:0]]
Skipping frame!
Pos:   0.7s     11f ( 2%)  0.00fps Trem:   0min   3mb  A-V:0.030 [0:63]
Skipping frame!
Pos:   0.8s     16f ( 2%)  0.00fps Trem:   0min   4mb  A-V:0.046 [0:61]
Skipping frame!
Pos:   1.0s     21f ( 2%) 20.77fps Trem:   0min   5mb  A-V:0.063 [0:61]
Skipping frame!
Pos:   1.2s     26f ( 3%) 13.86fps Trem:   0min   5mb  A-V:0.076 [1244:61]
Skipping frame!
Pos:   1.2s     29f ( 3%)  9.43fps Trem:   1min   5mb  A-V:0.086 [1237:60]
Skipping frame!
Pos:   1.3s     31f ( 3%)  8.02fps Trem:   1min   6mb  A-V:0.051 [1240:60]
Skipping frame!
Pos:   1.5s     36f ( 3%)  5.55fps Trem:   2min   5mb  A-V:0.064 [1166:60]
Skipping frame!
Pos:   1.6s     41f ( 4%)  4.39fps Trem:   3min   5mb  A-V:0.072 [1090:59]
Skipping frame!
Pos:   1.8s     45f ( 4%)  4.71fps Trem:   3min   5mb  A-V:0.086 [1043:59]
Skipping frame!
Pos:   1.8s     46f ( 4%)  4.81fps Trem:   3min   5mb  A-V:0.046 [1043:60]
Skipping frame!
Pos:   1.9s     51f ( 4%)  4.67fps Trem:   4min   5mb  A-V:0.042 [1010:60]
Skipping frame!