Bunlarda aynı çıktıyı verdi.

ffmpeg -i /home/domain/public_html/dene/video/Funda_Arar_Kirik_Dusler.mp4 -ar 22050 -ab 32 -f flv -s 320x240 /home/domain/public_html/dene/video/y/fnda.flv şunu denediğim de aşağıdaki çıktıyı verdi ve dönüştürdü ama süre yok yine. bilgisayara indirip media playerda çaldığımda süre gözüküyor. flv playerlarda süre yok.

FFmpeg version 0.5, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --extra-cflags=-fPIC --enable-libamr-nb --enable-libamr-wb --enable-libdirac --enable-libfaac --enable-libfaad --enable-libmp3lame --enable-libtheora --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-x11grab
  libavutil     49.15. 0 / 49.15. 0
  libavcodec    52.20. 0 / 52.20. 0
  libavformat   52.31. 0 / 52.31. 0
  libavdevice   52. 1. 0 / 52. 1. 0
  libswscale     0. 7. 1 /  0. 7. 1
  libpostproc   51. 2. 0 / 51. 2. 0
  built on Nov  6 2009 19:11:04, gcc: 4.1.2 20080704 (Red Hat 4.1.2-46)

Seems stream 0 codec frame rate differs from container frame rate: 59.94 (59938/1000) -> 29.97 (30000/1001)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/domain/public_html/dene/video/Funda_Arar_Kirik_Dusler.mp4':
  Duration: 00:03:33.55, start: 0.000000, bitrate: 383 kb/s
    Stream #0.0(und): Video: h264, yuv420p, 320x240, 29.97 tbr, 29.97 tbn, 59.94 tbc
    Stream #0.1(und): Audio: aac, 44100 Hz, stereo, s16
WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s
Output #0, flv, to '/home/domain/public_html/dene/video/y/fnda.flv':
    Stream #0.0(und): Video: flv, yuv420p, 320x240, q=2-31, 200 kb/s, 90k tbn, 29.97 tbc
    Stream #0.1(und): Audio: libmp3lame, 22050 Hz, stereo, s16, 0 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Press [q] to stop encoding
[libmp3lame @ 0x12a597c0]lame: output buffer too small (buffer index: 9405, free bytes: 387)
Audio encoding failed