ffmpeg -i "Britney Spears ++ I Wanna Go (2011)@MRD.mp4" -vcodec libx264 -r 23.98 -s 1280x720 -x264opts ref=8:threads=1 -b 1500k -acodec copy -y Output/Britney Spears ++ I Wanna Go (2011)@MRD_720p@1500.mp4_TEMP.mp4
ffmpeg version 0.8.7, Copyright (c) 2000-2011 the FFmpeg developers
  built on Dec  9 2011 23:44:00 with gcc 4.4.5
  configuration: --enable-libx264 --enable-gpl
  libavutil    51.  9. 1 / 51.  9. 1
  libavcodec   53.  8. 0 / 53.  8. 0
  libavformat  53.  5. 0 / 53.  5. 0
  libavdevice  53.  1. 1 / 53.  1. 1
  libavfilter   2. 23. 0 /  2. 23. 0
  libswscale    2.  0. 0 /  2.  0. 0
  libpostproc  51.  2. 0 / 51.  2. 0
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Britney Spears ++ I Wanna Go (2011)@MRD.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2011-06-20 12:02:04
    title           : I Wanna Go
    artist          : Britney Spears
    date            : 2011
    copyright       : Britney
    encoder         : *****
    album_artist    : Britney Spears
    track           : 0
    disc            : 0
  Duration: 00:04:33.89, start: 0.000000, bitrate: 3622 kb/s
    Stream #0.0(und): Video: h264 (High), yuv420p, 1920x1080, 3456 kb/s, 23.98 fps, 24 tbr, 1k tbn, 48 tbc
    Metadata:
      creation_time   : 1970-01-01 00:00:00
    Stream #0.1(und): Audio: aac, 44100 Hz, stereo, s16, 151 kb/s
    Metadata:
      creation_time   : 2011-06-20 12:02:05
[buffer @ 0x248bc00] w:1920 h:1080 pixfmt:yuv420p tb:1/1000000 sar:0/1 sws_param:
[scale @ 0x2493860] w:1920 h:1080 fmt:yuv420p -> w:1280 h:720 fmt:yuv420p flags:0x4
[libx264 @ 0x248b740] Default settings detected, using medium profile
[libx264 @ 0x248b740] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
[libx264 @ 0x248b740] profile High, level 4.0
[libx264 @ 0x248b740] 264 - core 120 - H.264/MPEG-4 AVC codec - Copyleft 2003-2011 - http://www.videolan.org/x264.html - options: cabac=1 ref=8 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=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=1500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'Output/Britney Spears ++ I Wanna Go (2011)@MRD_720p@1500.mp4_TEMP.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2011-06-20 12:02:04
    title           : I Wanna Go
    artist          : Britney Spears
    date            : 2011
    copyright       : Britney
    disc            : 0
    album_artist    : Britney Spears
    track           : 0
    encoder         : Lavf53.5.0
    Stream #0.0(und): Video: libx264, yuv420p, 1280x720, q=2-31, 1500 kb/s, 1199 tbn, 23.98 tbc
    Metadata:
      creation_time   : 1970-01-01 00:00:00
    Stream #0.1(und): Audio: aac, 44100 Hz, stereo, 151 kb/s
    Metadata:
      creation_time   : 2011-06-20 12:02:05
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1