D:\1clips>mencoderrc1 vid00009.avi -o output.flv -of lavf -lavfopts i_certify_th
at_my_video_stream_does_not_use_b_frames -oac mp3lame -lameopts abr:br=56 -ovc l
avc -lavcopts vcodec=flv:vbitrate=500:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -srat
e 22050
MEncoder 1.0rc1-3.4.2 (C) 2000-2006 MPlayer Team
CPU: AMD Athlon(tm) processor (Family: 6, Model: 4, Stepping: 2)
CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 1 SSE: 0 SSE2: 0
Compiled with runtime CPU detection.
99 audio & 217 video codecs
success: format: 0  data: 0x0 - 0x397d7a
AVI file format detected.
VIDEO:  [XVID]  448x336  24bpp  30.000 fps  811.0 kbps (99.0 kbyte/s)
[V] filefmt:3  fourcc:0x44495658  size:448x336  fps:30.00  ftime:=0.0333
==========================================================================
Opening audio decoder: [msadpcm] MS ADPCM audio decoder
AUDIO: 16000 Hz, 1 ch, s16le, 64.4 kbit/25.15% (ratio: 8047->32000)
Selected audio codec: [msadpcm] afm: msadpcm (MS ADPCM)
==========================================================================
** 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
Opening video filter: [expand osd=1]
Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffodivx] vfm: ffmpeg (FFmpeg MPEG-4)
==========================================================================
MP3 audio selected.
VDec: vo config request - 448 x 336 (preferred colorspace: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
videocodec: libavcodec (448x336 fourcc=766c66 [flv])
[VE_LAVC] High quality encoding selected (non-realtime)!
VIDEO CODEC ID: 01f ( 2%)  0.00fps Trem:   0min   0mb  A-V:0.000 [0:0]
AUDIO CODEC ID: 15001, TAG: 0
Writing header...

1 duplicate frame(s)!
Pos:   0.7s     21f ( 4%) 13.44fps Trem:   0min   2mb  A-V:0.067 [0:60]
Skipping frame!
Pos:   1.0s     32f ( 5%) 15.29fps Trem:   0min   2mb  A-V:0.070 [1035:59]
Skipping frame!
Pos:   1.4s     45f ( 7%) 16.52fps Trem:   0min   2mb  A-V:0.068 [902:58]]
Skipping frame!
Pos:   2.3s     71f (10%) 17.86fps Trem:   0min   2mb  A-V:0.059 [764:58]
Flushing video frames
Writing index...
SEEK 4
SEEK 52
SEEK 174
SEEK 239319

Video stream:  764.058 kbit/s  (95507 B/s)  size: 216483 bytes  2.267 secs  71 f
rames

Audio stream:   58.024 kbit/s  (7253 B/s)  size: 19894 bytes  2.743 secs