gistfile1.txt

// crop a file to 480x480 to match aspect size the file we eventually concat to:
time ./ffmpeg -i Sequence3/2.mp4 -vf "crop=480:480"  Sequence3/2_crop.mp4
ffmpeg version 1.2.1-tessus Copyright (c) 2000-2013 the FFmpeg developers
  built on May  9 2013 21:58:14 with llvm-gcc 4.2.1 (LLVM build 2336.1.00)
  configuration: --prefix=/Users/tessus/data/ext/ffmpeg/sw --as=yasm --extra-version=tessus --disable-shared --enable-static --disable-ffplay --enable-gpl --enable-pthreads --enable-postproc --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-libspeex --enable-bzlib --enable-zlib --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxavs --enable-version3 --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvpx --enable-libgsm --enable-libopus --enable-fontconfig --enable-libfreetype --enable-libass --enable-filters --enable-runtime-cpudetect
  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
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Sequence3/2.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp41mp42isom
    creation_time   : 2013-05-22 16:59:16
  Duration: 00:00:05.67, start: 0.000000, bitrate: 1256 kb/s
    Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 480x640, 1138 kb/s, 29.98 fps, 30 tbr, 600 tbn, 1200 tbc
    Metadata:
      creation_time   : 2013-05-22 16:59:16
      handler_name    : Core Media Video
    Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 111 kb/s
    Metadata:
      creation_time   : 2013-05-22 16:59:16
      handler_name    : Core Media Audio
File 'Sequence3/2_crop.mp4' already exists. Overwrite ? [y/N] y
using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x10201be00] profile High, level 3.0
[libx264 @ 0x10201be00] 264 - core 130 r481 3a1e20c - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'Sequence3/2_crop.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp41mp42isom
    encoder         : Lavf54.63.104
    Stream #0:0(und): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 480x480, q=-1--1, 15360 tbn, 30 tbc
    Metadata:
      creation_time   : 2013-05-22 16:59:16
      handler_name    : Core Media Video
    Stream #0:1(und): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, mono, s16, 128 kb/s
    Metadata:
      creation_time   : 2013-05-22 16:59:16
      handler_name    : Core Media Audio
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> libx264)
  Stream #0:1 -> #0:1 (aac -> libvo_aacenc)
Press [q] to stop, [?] for help
frame=  170 fps=0.0 q=-1.0 Lsize=     661kB time=00:00:05.74 bitrate= 942.0kbits/s    
video:564kB audio:90kB subtitle:0 global headers:0kB muxing overhead 0.985634%
[libx264 @ 0x10201be00] frame I:1     Avg QP:25.73  size: 19511
[libx264 @ 0x10201be00] frame P:135   Avg QP:25.50  size:  3839
[libx264 @ 0x10201be00] frame B:34    Avg QP:29.91  size:  1144
[libx264 @ 0x10201be00] consecutive B-frames: 65.9% 17.6% 14.1%  2.4%
[libx264 @ 0x10201be00] mb I  I16..4: 15.7% 31.2% 53.1%
[libx264 @ 0x10201be00] mb P  I16..4:  5.8%  7.8%  2.9%  P16..4: 44.0% 12.2%  4.5%  0.0%  0.0%    skip:22.8%
[libx264 @ 0x10201be00] mb B  I16..4:  0.5%  0.1%  0.1%  B16..8: 42.5%  5.4%  0.8%  direct: 1.1%  skip:49.5%  L0:46.4% L1:49.1% BI: 4.5%
[libx264 @ 0x10201be00] 8x8 transform intra:46.2% inter:65.7%
[libx264 @ 0x10201be00] coded y,uvDC,uvAC intra: 37.1% 65.5% 23.3% inter: 15.6% 24.8% 1.5%
[libx264 @ 0x10201be00] i16 v,h,dc,p: 48% 19% 11% 22%
[libx264 @ 0x10201be00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 33% 16% 31%  3%  3%  3%  4%  4%  4%
[libx264 @ 0x10201be00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 34% 25% 19%  4%  4%  3%  6%  3%  3%
[libx264 @ 0x10201be00] i8c dc,h,v,p: 41% 20% 33%  6%
[libx264 @ 0x10201be00] Weighted P-Frames: Y:11.9% UV:10.4%
[libx264 @ 0x10201be00] ref P L0: 72.7% 17.4%  7.7%  1.9%  0.3%
[libx264 @ 0x10201be00] ref B L0: 91.7%  7.7%  0.7%
[libx264 @ 0x10201be00] ref B L1: 95.2%  4.8%
[libx264 @ 0x10201be00] kb/s:814.15

real  0m3.463s
user	0m5.823s
sys	0m0.166s