ffmpeg version git-2013-02-21-669d50b Copyright (c) 2000-2013 the FFmpeg developers
  built on Feb 21 2013 18:17:04 with gcc 4.7.2 (GCC)
  configuration: --prefix=/usr --enable-gpl --enable-libass --enable-libfaac --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-x11grab
  libavutil      52. 17.102 / 52. 17.102
  libavcodec     54. 92.100 / 54. 92.100
  libavformat    54. 63.100 / 54. 63.100
  libavdevice    54.  3.103 / 54.  3.103
  libavfilter     3. 38.106 /  3. 38.106
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
[x11grab @ 0x2db1000] device: :0.0 -> display: :0.0 x: 0 y: 0 width: 1920 height: 1080
[x11grab @ 0x2db1000] shared memory extension found
[x11grab @ 0x2db1000] Estimating duration from bitrate, this may be inaccurate
Input #0, x11grab, from ':0.0':
  Duration: N/A, start: 1361471217.778348, bitrate: 1658880 kb/s
    Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1920x1080, 1658880 kb/s, 25 tbr, 1000k tbn, 25 tbc
[alsa @ 0x2dc0d20] Estimating duration from bitrate, this may be inaccurate
Guessed Channel Layout for  Input Stream #1.0 : stereo
Input #1, alsa, from 'pulse':
  Duration: N/A, start: 1361471217.806047, bitrate: 1536 kb/s
    Stream #1:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
[libx264 @ 0x2dd2620] using cpu capabilities: MMX2 SSE2Fast FastShuffle SSEMisalign LZCNT
[libx264 @ 0x2dd2620] profile High 4:4:4 Predictive, level 3.1, 4:4:4 8-bit
[libx264 @ 0x2dd2620] 264 - core 129 r2245 bc13772 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=1 ref=2 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=6 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=4 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=1 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=30 rc=crf mbtree=1 crf=30.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, flv, to 'rtmp://live.justin.tv/app/live_30968323_3Ix3D4hFI2icHXqlJe3g4iVjiBdYkN':
  Metadata:
    encoder         : Lavf54.63.100
    Stream #0:0: Video: h264 ([7][0][0][0] / 0x0007), yuv444p, 1280x720, q=-1--1, 1k tbn, 25 tbc
    Stream #0:1: Audio: mp3 ([2][0][0][0] / 0x0002), 44100 Hz, stereo, s16p
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo -> libx264)
  Stream #1:0 -> #0:1 (pcm_s16le -> libmp3lame)
Press [q] to stop, [?] for help
Failed to update header with correct duration.e=00:00:43.88 bitrate= 361.9kbits/s
[flv @ 0x2dd1e20] Failed to update header with correct filesize.
frame=  960 fps= 20 q=32766.0 Lsize=    2131kB time=00:00:43.99 bitrate= 396.9kbits/s
video:1398kB audio:688kB subtitle:0 global headers:0kB muxing overhead 2.178318%
[libx264 @ 0x2dd2620] frame I:4     Avg QP:25.52  size: 65240
[libx264 @ 0x2dd2620] frame P:265   Avg QP:29.33  size:  4154
[libx264 @ 0x2dd2620] frame B:691   Avg QP:39.14  size:   100
[libx264 @ 0x2dd2620] consecutive B-frames:  3.3%  1.7%  1.2% 93.8%
[libx264 @ 0x2dd2620] mb I  I16..4: 26.2% 39.9% 33.9%
[libx264 @ 0x2dd2620] mb P  I16..4:  1.4%  0.9%  1.5%  P16..4:  3.4%  0.4%  0.3%  0.0%  0.0%    skip:92.2%
[libx264 @ 0x2dd2620] mb B  I16..4:  0.1%  0.0%  0.0%  B16..8:  0.5%  0.1%  0.0%  direct: 0.0%  skip:99.2%  L0:45.6% L1:50.5% BI: 3.9%
[libx264 @ 0x2dd2620] 8x8 transform intra:27.3% inter:57.0%
[libx264 @ 0x2dd2620] coded y,u,v intra: 39.8% 21.7% 23.0% inter: 0.2% 0.1% 0.1%
[libx264 @ 0x2dd2620] i16 v,h,dc,p: 51% 41%  7%  2%
[libx264 @ 0x2dd2620] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 20% 34%  4%  3%  3%  4%  4%  6%
[libx264 @ 0x2dd2620] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 33% 13%  3%  4%  3%  5%  3%  5%
[libx264 @ 0x2dd2620] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x2dd2620] ref P L0: 36.8% 63.2%
[libx264 @ 0x2dd2620] ref B L0: 80.3% 19.7%
[libx264 @ 0x2dd2620] ref B L1: 94.7%  5.3%
[libx264 @ 0x2dd2620] kb/s:298.09