C:\ffmpeg\bin>ffmpeg -i mitms07e01.flv -o test.mp4
ffmpeg version N-37063-g14d94a1 Copyright (c) 2000-2012 the FFmpeg developers
  built on Jan 23 2012 17:42:45 with gcc 4.6.2
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-ru
ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libope
ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --en
able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger -
-enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwben
c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
libxvid --enable-zlib
  libavutil      51. 34.101 / 51. 34.101
  libavcodec     53. 57.105 / 53. 57.105
  libavformat    53. 30.100 / 53. 30.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 59.101 /  2. 59.101
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  6.100 /  0.  6.100
  libpostproc    52.  0.100 / 52.  0.100
[flv @ 0000000001D2EF80] Could not find codec parameters (Video: h264)
[flv @ 0000000001D2EF80] Could not find codec parameters (Audio: aac, 48000 Hz,
stereo, s16)
mitms07e01.flv: could not find codec parameters