ffmpeg version 1.0.1 Copyright (c) 2000-2012 the FFmpeg developers
  built on Dec  7 2012 18:16:36 with gcc 4.7.2 (GCC)
  configuration: --prefix=/usr --enable-libmp3lame --enable-libvorbis --enable-libxvid --enable-libx264 --enable-libvpx --enable-libtheora --enable-libgsm --enable-libspeex --enable-postproc --enable-shared --enable-x11grab --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libschroedinger --enable-libopenjpeg --enable-librtmp --enable-libpulse --enable-libv4l2 --enable-gpl --enable-version3 --enable-runtime-cpudetect --disable-debug --disable-static
  libavutil      51. 73.101 / 51. 73.101
  libavcodec     54. 59.100 / 54. 59.100
  libavformat    54. 29.104 / 54. 29.104
  libavdevice    54.  2.101 / 54.  2.101
  libavfilter     3. 17.100 /  3. 17.100
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
[alsa @ 0x2099320] Estimating duration from bitrate, this may be inaccurate
Guessed Channel Layout for  Input Stream #0.0 : stereo
Input #0, alsa, from 'pulse':
  Duration: N/A, start: 1360974551.584296, bitrate: 1536 kb/s
    Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
[x11grab @ 0x209a120] device: :0.0+256,256 -> display: :0.0 x: 256 y: 256 width: 640 height: 480
[x11grab @ 0x209a120] shared memory extension found
[x11grab @ 0x209a120] Estimating duration from bitrate, this may be inaccurate
Input #1, x11grab, from ':0.0+256,256':
  Duration: N/A, start: 1360974551.773158, bitrate: 98304 kb/s
    Stream #1:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 640x480, 98304 kb/s, 10 tbr, 1000k tbn, 10 tbc
[libx264 @ 0x2094b80] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.1 Cache64
[libx264 @ 0x2094b80] profile High 4:4:4 Predictive, level 2.2, 4:4:4 8-bit
[libx264 @ 0x2094b80] 64 - core 128 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=0 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=0 chroma_qp_offset=0 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=10 scenecut=0 intra_refresh=0 rc=cqp mbtree=0 qp=0
Output #0, matroska, to 'Capture.mkv':
  Metadata:
    encoder         : Lavf54.29.104
    Stream #0:0: Video: h264, yuv444p, 640x480, q=-1--1, 1k tbn, 10 tbc
    Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Stream mapping:
  Stream #1:0 -> #0:0 (rawvideo -> libx264)
  Stream #0:0 -> #0:1 (pcm_s16le -> pcm_s16le)
Press [q] to stop, [?] for help
frame= 2548 fps= 10 q=32766.0 Lsize=  214184kB time=00:04:14.88 bitrate=6883.8kbits/s
video:165060kB audio:47773kB subtitle:0 global headers:0kB muxing overhead 0.635237%
[libx264 @ 0x2094b80] frame I:11    Avg QP: 0.00  size: 94704
[libx264 @ 0x2094b80] frame P:2537  Avg QP: 0.00  size: 66212
[libx264 @ 0x2094b80] mb I  I16..4: 100.0%  0.0%  0.0%
[libx264 @ 0x2094b80] mb P  I16..4: 38.5%  0.0%  0.0%  P16..4: 11.1%  0.0%  0.0%  0.0%  0.0%    skip:50.5%
[libx264 @ 0x2094b80] coded y,u,v intra: 73.1% 64.8% 61.4% inter: 13.2% 11.7% 11.2%
[libx264 @ 0x2094b80] i16 v,h,dc,p: 46% 54%  0%  0%
[libx264 @ 0x2094b80] kb/s:5306.77