ffmpeg output

$ ffmpeg -ss 01:00:00 -i 28c3-4906-en-lightning_talks_day_3_pecha_kucha_h264.mp4 -vcodec copy -acodec copy -t 00:00:30 output_file_slhck.mp4



FFmpeg version 0.6-4:0.6-2ubuntu6.2, Copyright (c) 2000-2010 the FFmpeg developers
  built on Sep 16 2011 17:04:54 with gcc 4.4.5
  configuration: --extra-version=4:0.6-2ubuntu6.2 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-gpl --enable-postproc --enable-x11grab --enable-libdc1394 --enable-shared --disable-static
  WARNING: library configuration mismatch
  libavutil   configuration: --extra-version=4:0.6-2ubuntu3.2 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame --enable-gpl --enable-postproc --enable-x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-librtmp --enable-libdc1394 --enable-shared --disable-static
  libavcodec  configuration: --extra-version=4:0.6-2ubuntu3.2 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-vaapi --enable-pthreads --enable-zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-libmp3lame --enable-gpl --enable-postproc --enable-x11grab --enable-libfaad --enable-libxvid --enable-libx264 --enable-librtmp --enable-libdc1394 --enable-shared --disable-static
  libavutil     50.15. 1 / 50.15. 1
  libavcodec    52.72. 2 / 52.72. 2
  libavformat   52.64. 2 / 52.64. 2
  libavdevice   52. 2. 0 / 52. 2. 0
  libavfilter    1.19. 0 /  1.19. 0
  libswscale     0.11. 0 /  0.11. 0
  libpostproc   51. 2. 0 / 51. 2. 0
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '28c3-4906-en-lightning_talks_day_3_pecha_kucha_h264.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf52.111.0
    artist          : Nick Farr
    title           : Lightning Talks Day 3
    album           : Chaos Communication Congress 2011 (28C3)
    genre           : other
    comment         : http://events.ccc.de/congress/2011/Fahrplan/events/4906.en.html
    copyright       : Licensed to the public under http://creativecommons.org/licenses/by-nc-nd/2.0/de
  Duration: 02:08:11.84, start: 0.000000, bitrate: 955 kb/s
    Stream #0.0(und): Video: h264, yuv420p, 720x576 [PAR 64:45 DAR 16:9], 821 kb/s, PAR 4096:2025 DAR 1024:405, 25 fps, 25 tbr, 25 tbn, 50 tbc
    Stream #0.1(und): Audio: aac, 48000 Hz, stereo, s16, 127 kb/s
Output #0, mp4, to 'output_file_slhck.mp4':
  Metadata:
    encoder         : Lavf52.64.2
    Stream #0.0(und): Video: libx264, yuv420p, 720x576 [PAR 89:44 DAR 445:176], q=2-31, 821 kb/s, 25 tbn, 25 tbc
    Stream #0.1(und): Audio: aac, 48000 Hz, stereo, 127 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Press [q] to stop encoding
frame=  860 fps=  0 q=-1.0 Lsize=    1430kB time=30.00 bitrate= 390.6kbits/s
video:865kB audio:538kB global headers:0kB muxing overhead 1.946360%