host-001:No backup luca$ ffmpeg -i DSCN0468.AVI -vcodec libx264 -vprofile high -preset veryslow -crf 22 -acodec aac -strict -2 DSCN0468_transcoded_mac.mp4 -threads 0
ffmpeg version 1.2.1 Copyright (c) 2000-2013 the FFmpeg developers
  built on May 20 2013 05:41:01 with Apple clang version 4.1 (tags/Apple/clang-421.11.66) (based on LLVM 3.1svn)
  configuration: --prefix=/opt/local --enable-swscale --enable-avfilter --enable-libmp3lame --enable-libvorbis --enable-libopus --enable-libtheora --enable-libschroedinger --enable-libopenjpeg --enable-libmodplug --enable-libvpx --enable-libspeex --enable-libfreetype --mandir=/opt/local/share/man --enable-shared --enable-pthreads --cc=/usr/bin/clang --arch=x86_64 --enable-yasm --enable-gpl --enable-postproc --enable-libx264 --enable-libxvid
  libavutil      52. 18.100 / 52. 18.100
  libavcodec     54. 92.100 / 54. 92.100
  libavformat    54. 63.104 / 54. 63.104
  libavdevice    54.  3.103 / 54.  3.103
  libavfilter     3. 42.103 /  3. 42.103
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
Trailing options were found on the commandline.
[avi @ 0x7fc281029c00] non-interleaved AVI
Guessed Channel Layout for  Input Stream #0.1 : mono
Input #0, avi, from 'DSCN0468.AVI':
  Metadata:
    encoder         :
    maker           : NIKON
    model           : COOLPIX S5100
    creation_time   : 2012-04-14 15:58:41
  Duration: 00:22:46.26, start: 0.000000, bitrate: 22618 kb/s
    Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p, 1280x720, 29.97 tbr, 29.97 tbn, 29.97 tbc
    Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 22050 Hz, mono, s16, 352 kb/s
File 'DSCN0468_transcoded_mac.mp4' already exists. Overwrite ? [y/N] y
using cpu capabilities: none!
[libx264 @ 0x7fc281031800] profile High, level 5.0
[libx264 @ 0x7fc281031800] 264 - core 129 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=1 ref=16 deblock=1:0:0 analyse=0x3:0x133 me=umh subme=10 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=24 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=8 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=60 rc=crf mbtree=1 crf=22.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'DSCN0468_transcoded_mac.mp4':
  Metadata:
    model           : COOLPIX S5100
    maker           : NIKON
    encoder         : Lavf54.63.104
    Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuvj420p, 1280x720, q=-1--1, 30k tbn, 29.97 tbc
    Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 22050 Hz, mono, fltp, 128 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (mjpeg -> libx264)
  Stream #0:1 -> #0:1 (pcm_s16le -> aac)
Press [q] to stop, [?] for help
frame=  616 fps=0.6 q=28.0 size=    8205kB time=00:00:20.43 bitrate=3289.5kbits/s