Some frames will be lost while converting this WMV media to flash video (FLV).

ffmpeg.exe --version
FFmpeg version SVN-r19424, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  configuration: --enable-memalign-hack --extra-cflags=-fno-common --disable-ipv6 --disable-network --disable-debug --incdir=../build/include --prefix=../build
  libavutil     50. 3. 0 / 50. 3. 0
  libavcodec    52.32. 0 / 52.32. 0
  libavformat   52.36. 0 / 52.36. 0
  libavdevice   52. 2. 0 / 52. 2. 0
  libswscale     0. 7. 1 /  0. 7. 1
  built on Jul 13 2009 14:52:06, gcc: 4.2.1-sjlj (mingw32-2)