#0  0x080706c2 in main (argc=0, argv=0x0) at mencoder.c:306

updated:

-bash2-2.05b$ mencoder 14.wmv -o 14.flv -of lavf -oac mp3lame -lameopts abr:br=56 -ovc lavc -lavcopts vcodec=flv:vbitrate=9600:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames -srate 22050 -v
MEncoder dev-SVN-r21160-3.4.2 (C) 2000-2006 MPlayer Team
CPU: Intel(R) Xeon(TM) CPU 2.40GHz (Family: 15, Model: 2, Stepping: 7)
CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2

init_freetype
get_path('font/font.desc') -> '/www/virtual/aquamann/.mplayer/font/font.desc'
font: can't open file: /www/virtual/aquamann/.mplayer/font/font.desc
font: can't open file: /usr/local/share/mplayer/font/font.desc
Using MMX (with tiny bit MMX2) Optimized OnScreenDisplay
[file] File size is 4965946 bytes
STREAM: [file] 14.wmv
STREAM: Description: File
STREAM: Author: Albeu
STREAM: Comment: based on the code from ??? (probably Arpi)
success: format: 0  data: 0x0 - 0x4bc63a
Checking for YUV4MPEG2
ASF file format detected.
stream type: guid_audio_stream
stream concealment: guid_audio_conceal_interleave
type: 28 bytes,  stream: 8 bytes  ID: 1
unk1: 0  unk2: 225EFE00
FILEPOS=0x13BD
==> Found audio stream: 1
======= WAVE Format =======
Format Tag: 353 (0x161)
Channels: 2
Samplerate: 44100
avg byte/sec: 16070
Block align: 5945
bits/sample: 16
cbSize: 10
Unknown extra header dump: [0] [88] [0] [0] [f] [0] [e5] [5c] [0] [0] 
==========================================================================
ASF: audio scrambling: 1 x 1 x 5945
stream type: guid_video_stream
stream concealment: unknown guid 0057fb20-555b-cf11-a8fd00805f5c442b
type: 55 bytes,  stream: 0 bytes  ID: 2
unk1: 0  unk2: 0
FILEPOS=0x142F
==> Found video stream: 2
======= VIDEO Format ======
  biSize 44
  biWidth 640
  biHeight 480
  biPlanes 1
  biBitCount 24
  biCompression 861293911='WMV3'
  biSizeImage 0
Unknown extra header dump: [4f] [21] [1a] [1] 
===========================
ASF: packets: 310  flags: 2  max_packet_size: 16000  min_packet_size: 16000  max_bitrate: 1943313  preroll: 3000
============ ASF Stream group == START ===
 stream count=[0x2][2]
   stream id=[0x1][1]
   max bitrate=[0x20ab6][133814]
   stream id=[0x2][2]
   max bitrate=[0x1b9c5b][1809499]
============ ASF Stream group == END ===
Found movie at 0x14BE - 0x4BC3BE
ASF: 1 audio and 1 video streams found
Auto-selected ASF video ID = 2
ASF: Searching for audio stream (id:-1).
Auto-selected ASF audio ID = 1
VIDEO:  [WMV3]  640x480  24bpp  29.970 fps    0.0 kbps ( 0.0 kbyte/s)
[V] filefmt:6  fourcc:0x33564D57  size:640x480  fps:29.97  ftime:=0.0334
==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
dec_audio: Allocating 192000 + 65536 = 257536 bytes for output buffer.
FFmpeg's libavcodec audio codec
INFO: libavcodec init OK!
AUDIO: 44100 Hz, 2 ch, s16le, 128.6 kbit/9.11% (ratio: 16070->176400)
Selected audio codec: [ffwmav2] afm: ffmpeg (DivX audio v2 (FFmpeg))
==========================================================================
** MUXER_LAVF *****************************************************************
You have certified that your video stream does not contain B frames.
REMEMBER: MEncoder's libavformat muxing is presently broken and will 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
ALLOCATED STREAM N. 1, type=0
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
==========================================================================
Opening video decoder: [dmo] DMO video codecs
get_path('registry') -> '/www/virtual/aquamann/.mplayer/registry'
DMO dll supports VO Optimizations 0 1
DMO dll might use previous sample when requested
GetOutput r=0x0   size:921600  align:1
StreamCount r=0x0  1  1
Decoder supports the following formats: YV12 YUY2 UYVY YVYU RGB8 RGB555 RGB565 RGB24 RGB32 
Decoder is capable of YUV output (flags 0x1b)
VDec: vo config request - 640 x 480 (preferred colorspace: Packed YUY2)
Trying filter chain: expand lavc
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is undefined - no prescaling applied.
VO Config (640x480->640x480,flags=0,'MPlayer',0x32315659)
REQ: flags=0x401  req=0x0  
videocodec: libavcodec (640x480 fourcc=31564c46 [FLV1])
[VE_LAVC] High quality encoding selected (non-realtime)!
INFO: Win32/DMO video codec init OK.
Selected video codec: [wmv9dmo] vfm: dmo (Windows Media Video 9 DMO)
==========================================================================
ALLOCATED STREAM N. 2, type=1
Building audio filter chain for 44100Hz/2ch/s16le -> 22050Hz/0ch/??...
[libaf] Adding filter dummy 
[dummy] Was reinitialized: 44100Hz/2ch/s16le
[libaf] Adding filter lavcresample 
[dummy] Was reinitialized: 22050Hz/2ch/s16le
[libaf] Adding filter format 
[format] Changing sample format from little-endian 16-bit signed int to big-endian 8-bit signed int
[dummy] Was reinitialized: 22050Hz/2ch/s16le
[format] Changing sample format from little-endian 16-bit signed int to big-endian 8-bit signed int
LAME version 3.96.1 (http://lame.sourceforge.net/)
CPU features: MMX (ASM used), SSE, SSE2
Using polyphase lowpass filter, transition band: 10047 Hz - 10314 Hz

misc:

        scaling: 0.95
        ch0 (left) scaling: 0
        ch1 (right) scaling: 0
        filter type: 0
        quantization: xr^3/4
        huffman search: normal
        experimental Y=0
        ...

stream format:

        MPEG-2.5 Layer 3
        2 channel - joint stereo
        padding: all
        variable bitrate - ABR 
        ...

psychoacoustic:

        using psychoacoustic model: 1
        psychoacoustic model: NSPsytune
        tonality estimation limit: 8871.700195 Hz (not relevant)
        using short blocks: channel coupled
        subblock gain: 1
        adjust masking: 0 dB
        adjust masking short: 0 dB
        quantization comparison: 9
         ^ comparison short blocks: 9
        noise shaping: 2
         ^ amplification: 0
         ^ stopping: 0
        ATH: using
         ^ type: 4
         ^ shape: 11 (only for type 4)
         ^ level adjustement: 0
         ^ adjust type: 0
         ^ adjust sensitivity power: 0
         ^ adapt threshold type: 2
        experimental psy tunings by Naoki Shibata
           adjust masking bass=0 dB, alto=0 dB, treble=0 dB, sfb21=0 dB
        using temporal masking effect: yes
        interchannel masking ratio: 0.0008
        ...

MP3 audio selected.
Building audio filter chain for 44100Hz/2ch/s16le -> 22050Hz/2ch/s16le...
[dummy] Was reinitialized: 22050Hz/2ch/s16le
[format] Changing sample format from little-endian 16-bit signed int to big-endian 8-bit signed int
[libaf] Removing filter format 
[dummy] Was reinitialized: 22050Hz/2ch/s16le
Bus error