F:\mplayer-test>mencoder.exe "mf://083.jpg" -fps 1/30 -oac lavc -ovc lavc -of mpeg -mpegopts format
=dvd:tsaf -vf scale=720:480,harddup -srate 48000 -af lavcresample=48000 -lavcopts vcodec=mpeg2video
:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:keyint=18:vstrict=0:acodec=ac3:abitrate=192:aspec
t=4/3 -ofps 30000/1001 -o you.mpg
MEncoder Sherpya-SVN-r31024-4.2.5 (C) 2000-2010 MPlayer Team
159 audio & 352 video codecs
success: format: 16  data: 0x0 - 0x0
MF file format detected.
[mf] search expr: 083.jpg*
[mf] number of files: 1 (4)
[demux_mf] file type was not set! trying 'type=jpg'...
VIDEO:  [IJPG]  0x0  24bpp  25.000 fps    0.0 kbps ( 0.0 kbyte/s)
[V] filefmt:16  fourcc:0x47504A49  size:0x0  fps:25.000  ftime:=0.0400
Input fps will be interpreted as 0.033 instead.
PACKET SIZE: 2048 bytes, deltascr: 43885
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
Opening video filter: [harddup]
Opening video filter: [scale w=720 h=480]
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffmjpeg] vfm: ffmpeg (FFmpeg MJPEG)
==========================================================================
Limiting audio preload to 0.4s.
Increasing audio density to 4.
Movie-Aspect is 1.50:1 - prescaling to correct movie aspect.
[swscaler @ 01d30040]BICUBIC scaler, from yuv444p to yuv420p using MMX2
videocodec: libavcodec (720x480 fourcc=3267706d [mpg2])
Fontconfig error: Cannot load default config file
Fontconfig failed to select a font. Trying without fontconfig...
Fontconfig failed to select a font. Trying without fontconfig...
Writing header...
INITV: 0.200, 0.167, fps: 29.970

898 duplicate frame(s)!
Pos:  30.0s      1f ( 0%)  0.09fps Trem:   0min   0mb  A-V:0.000 [997:0]
Flushing video frames.
Writing index...

Overhead: 4.072% (152242 / 3738958)
Writing header...

Video stream:  997.167 kbit/s  (124645 B/s)  size: 3738958 bytes  29.997 secs  1 frames