ffmpeg for Web

mp4

$ffmpeg -i market2.mp4 -vcodec libx264  -acodec libfaac -s 640x360 -vb 872000 -an -profile main -pix_fmt yuv420p -movflags +faststart market-sd.mp4
ffmpeg version 2.2.3 Copyright (c) 2000-2014 the FFmpeg developers
  built on Nov  4 2014 12:47:40 with Apple LLVM version 6.0 (clang-600.0.54) (based on LLVM 3.5svn)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/2.2.3 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid --enable-libvorbis --enable-libvpx
  libavutil      52. 66.100 / 52. 66.100
  libavcodec     55. 52.102 / 55. 52.102
  libavformat    55. 33.100 / 55. 33.100
  libavdevice    55. 10.100 / 55. 10.100
  libavfilter     4.  2.100 /  4.  2.100
  libavresample   1.  2.  0 /  1.  2.  0
  libswscale      2.  5.102 /  2.  5.102
  libswresample   0. 18.100 /  0. 18.100
  libpostproc    52.  3.100 / 52.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'market2.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf55.33.100
  Duration: 00:00:21.90, start: 0.000000, bitrate: 4848 kb/s
    Stream #0:0(eng): Video: h264 (High 4:2:2) (avc1 / 0x31637661), yuv422p, 1920x1080 [SAR 1:1 DAR 16:9], 4838 kb/s, 23.98 fps, 23.98 tbr, 11988 tbn, 47.95 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 3 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Please use -profile:a or -profile:v, -profile is ambiguous
[libx264 @ 0x7fd57301d000] using SAR=1/1
[libx264 @ 0x7fd57301d000] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x7fd57301d000] profile Main, level 3.0
[libx264 @ 0x7fd57301d000] 264 - core 142 r2479 dd79a61 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=0 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=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=23 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=872 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'market-sd.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf55.33.100
    Stream #0:0(eng): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x360 [SAR 1:1 DAR 16:9], q=-1--1, 872 kb/s, 11988 tbn, 23.98 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> libx264)
Press [q] to stop, [?] for help
[mp4 @ 0x7fd573016e00] Starting second pass: moving the moov atom to the beginning of the file    
frame=  526 fps= 45 q=-1.0 Lsize=    2414kB time=00:00:21.85 bitrate= 904.9kbits/s dup=1 drop=0    
video:2407kB audio:0kB subtitle:0 data:0 global headers:0kB muxing overhead 0.283851%
[libx264 @ 0x7fd57301d000] frame I:3     Avg QP:18.43  size: 74608
[libx264 @ 0x7fd57301d000] frame P:214   Avg QP:19.93  size:  8327
[libx264 @ 0x7fd57301d000] frame B:309   Avg QP:27.31  size:  1484
[libx264 @ 0x7fd57301d000] consecutive B-frames:  8.2% 25.9% 43.9% 22.1%
[libx264 @ 0x7fd57301d000] mb I  I16..4:  2.0%  0.0% 98.0%
[libx264 @ 0x7fd57301d000] mb P  I16..4:  0.1%  0.0%  2.9%  P16..4: 34.9%  7.6% 10.7%  0.0%  0.0%    skip:43.7%
[libx264 @ 0x7fd57301d000] mb B  I16..4:  0.0%  0.0%  0.2%  B16..8: 10.6%  3.0%  2.4%  direct: 2.4%  skip:81.3%  L0:23.0% L1:59.6% BI:17.4%
[libx264 @ 0x7fd57301d000] final ratefactor: 19.24
[libx264 @ 0x7fd57301d000] coded y,uvDC,uvAC intra: 94.6% 91.7% 75.4% inter: 12.5% 13.6% 4.4%
[libx264 @ 0x7fd57301d000] i16 v,h,dc,p: 28% 13%  9% 50%
[libx264 @ 0x7fd57301d000] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 17% 10%  6%  9% 11%  8%  8%  8%
[libx264 @ 0x7fd57301d000] i8c dc,h,v,p: 48% 18% 25% 10%
[libx264 @ 0x7fd57301d000] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x7fd57301d000] ref P L0: 74.1% 10.4% 11.2%  4.2%
[libx264 @ 0x7fd57301d000] ref B L0: 93.4%  5.8%  0.9%
[libx264 @ 0x7fd57301d000] ref B L1: 94.8%  5.2%
[libx264 @ 0x7fd57301d000] kb/s:898.61