~/MyDocs/.videos/iplayerTV $ ffmpeg -i movie.mp4 -threads 0 -vcodec libx264 -ac
odec libfaac -vpre hq -vpre baseline -ab 96k -b 700k movieAlt.mp4
FFmpeg version SVN-r19352-4:0.5+svn20090706-5, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  configuration: --enable-neon --enable-armvfp --enable-armv5te --enable-armv6 --enable-armv6t2 --extra-cflags=-mcpu=cortex-a8 -mfloat-abi=softfp -mfpu=neon --disable-encoder=h263 --disable-encoder=h263p --disable-encoder=mpeg2video --disable-encoder=mpeg4 --disable-encoder=msmpeg4v1 --disable-encoder=msmpeg4v2 --disable-encoder=msmpeg4v3 --extra-version=4:0.5+svn20090706-5 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --disable-stripping --disable-vhook --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libfaad --extra-cflags=-I/home/builder1/maemo-fremantle-armel-extras-devel/work/ffmpeg-0.5+svn20090706/debian/include --enable-shared --disable-static
  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
  libavfilter    0. 4. 0 /  0. 4. 0
  libswscale     0. 7. 1 /  0. 7. 1
  libpostproc   51. 2. 0 / 51. 2. 0
  built on Dec 21 2009 02:33:19, gcc: 4.2.1

Seems stream 0 codec frame rate differs from container frame rate: 100.00 (100/1) -> 25.00 (25/1)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'movie.mp4':
  Duration: 01:28:58.98, start: 0.000000, bitrate: 798 kb/s
    Stream #0.0(und): Video: h264, yuv420p, 640x360, 25 tbr, 50 tbn, 100 tbc
    Stream #0.1(und): Audio: aac, 24000 Hz, stereo, s16
Unknown encoder 'libx264'