ffmpeg -i test.mov -acodec copy -vcodec mpeg4 testcopy.movffmpeg version 0.10.2 Copyright (c) 2000-2012 the FFmpeg developers
  built on May  8 2012 14:32:13 with clang 3.1 (tags/Apple/clang-318.0.58)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/0.10.2 --enable-shared --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-libfreetype --cc=/usr/bin/clang --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libass --disable-ffplay
  libavutil      51. 35.100 / 51. 35.100
  libavcodec     53. 61.100 / 53. 61.100
  libavformat    53. 32.100 / 53. 32.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 61.100 /  2. 61.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  6.100 /  0.  6.100
  libpostproc    52.  0.100 / 52.  0.100
[h264 @ 0x7fb4f381da00] Increasing reorder buffer to 1
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 537199360
    compatible_brands: qt
    creation_time   : 2012-04-11 00:12:43
  Duration: 00:00:08.29, start: -186.019353, bitrate: 1593 kb/s
    Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 1204 kb/s, 23.98 fps, 23.98 tbr, 2997 tbn, 47.95 tbc
    Metadata:
      creation_time   : 2012-04-11 00:12:43
      handler_name    : ?Apple Alias Data Handler
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, s16, 106 kb/s
    Metadata:
      creation_time   : 2012-04-11 00:12:43
      handler_name    : ?Apple Alias Data Handler
    Stream #0:2(eng): Data: none (tmcd / 0x64636D74)
    Metadata:
      creation_time   : 2012-04-11 00:12:43
      handler_name    : ?Apple Alias Data Handler
      timecode        : 01:00:00:00
[buffer @ 0x7fb4f34164a0] w:1280 h:720 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param:
Output #0, mov, to 'testcopy.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 537199360
    compatible_brands: qt
    creation_time   : 2012-04-11 00:12:43
    encoder         : Lavf53.32.100
    Stream #0:0(eng): Video: mpeg4 (mp4v / 0x7634706D), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 2997 tbn, 23.98 tbc
    Metadata:
      creation_time   : 2012-04-11 00:12:43
      handler_name    : ?Apple Alias Data Handler
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, 106 kb/s
    Metadata:
      creation_time   : 2012-04-11 00:12:43
      handler_name    : ?Apple Alias Data Handler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> mpeg4)
  Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame= 4659 fps=340 q=31.0 Lsize=   15278kB time=00:03:14.31 bitrate= 644.1kbits/s dup=4415 drop=0
video:15145kB audio:109kB global headers:0kB muxing overhead 0.160448%