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  • Extract Video Frames In Python

    22 avril 2017, par TheNone

    I want to extract video frames and save them as image.

    import os, sys
    from PIL import Image

    a, b, c = os.popen3("ffmpeg -i test.avi")
    out = c.read()
    dp = out.index("Duration: ")
    duration = out[dp+10:dp+out[dp:].index(",")]
    hh, mm, ss = map(float, duration.split(":"))
    total = (hh*60 + mm)*60 + ss
    for i in xrange(9):
       t = (i + 1) * total / 10
       os.system("ffmpeg -i test.avi -ss %0.3fs frame%i.png" % (t, i))

    But I have this error :

    FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
    Mac OSX universal build for ffmpegX
     configuration:  --enable-memalign-hack --enable-mp3lame --enable-gpl --disable-vhook --disable-ffplay --disable-ffserver --enable-a52 --enable-xvid --enable-faac --enable-faad --enable-amr_nb --enable-amr_wb --enable-pthreads --enable-x264
     libavutil version: 49.0.0
     libavcodec version: 51.9.0
     libavformat version: 50.4.0
     built on Apr 15 2006 04:58:19, gcc: 4.0.1 (Apple Computer, Inc. build 5250)
    Input #0, avi, from 'test.avi':
     Duration: 00:00:30.5, start: 0.000000, bitrate: 465 kb/s
     Stream #0.0, 25.00 fps(r): Video: mpeg4, yuv420p, 640x480
     Stream #0.1: Audio: mp3, 32000 Hz, mono, 32 kb/s
    Unable for find a suitable output format for 'frame0.png'

    Edit : ffmpeg -formats

    FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
    Mac OSX universal build for ffmpegX
     configuration:  --enable-memalign-hack --enable-mp3lame --enable-gpl --disable-vhook --disable-ffplay --disable-ffserver --enable-a52 --enable-xvid --enable-faac --enable-faad --enable-amr_nb --enable-amr_wb --enable-pthreads --enable-x264
     libavutil version: 49.0.0
     libavcodec version: 51.9.0
     libavformat version: 50.4.0
     built on Apr 15 2006 04:58:19, gcc: 4.0.1 (Apple Computer, Inc. build 5250)
    File formats:
     E 3g2             3gp2 format
     E 3gp             3gp format
    D  4xm             4X Technologies format
    D  RoQ             Id RoQ format
    D  aac             ADTS AAC
    DE ac3             raw ac3
     E adts            ADTS AAC
    DE aiff            Audio IFF
    DE alaw            pcm A law format
    DE amr             3gpp amr file format
    DE asf             asf format
     E asf_stream      asf format
    DE au              SUN AU Format
    DE avi             avi format
    D  avs             avs format
     E crc             crc testing format
    D  daud            D-Cinema audio format
    D  dts             raw dts
    DE dv              DV video format
     E dvd             MPEG2 PS format (DVD VOB)
    D  ea              Electronic Arts Multimedia Format
    DE ffm             ffm format
    D  film_cpk        Sega FILM/CPK format
    D  flic            FLI/FLC/FLX animation format
    DE flv             flv format
     E framecrc        framecrc testing format
    DE gif             GIF Animation
    DE h261            raw h261
    DE h263            raw h263
    DE h264            raw H264 video format
    D  idcin           Id CIN format
    DE image           image sequence
    DE image2          image2 sequence
    DE image2pipe      piped image2 sequence
    DE imagepipe       piped image sequence
    D  ingenient       Ingenient MJPEG
    D  ipmovie         Interplay MVE format
    DE m4v             raw MPEG4 video format
    D  matroska        Matroska file format
    DE mjpeg           MJPEG video
    D  mm              American Laser Games MM format
    DE mmf             mmf format
     E mov             mov format
    D  mov,mp4,m4a,3gp,3g2,mj2 QuickTime/MPEG4/Motion JPEG 2000 format
     E mp2             MPEG audio layer 2
    DE mp3             MPEG audio layer 3
     E mp4             mp4 format
    DE mpeg            MPEG1 System format
     E mpeg1video      MPEG video
     E mpeg2video      MPEG2 video
    DE mpegts          MPEG2 transport stream format
    D  mpegvideo       MPEG video
     E mpjpeg          Mime multipart JPEG format
    DE mulaw           pcm mu law format
    D  nsv             NullSoft Video format
     E null            null video format
    DE nut             nut format
    D  nuv             NuppelVideo format
    D  ogg             Ogg
     E psp             psp mp4 format
    D  psxstr          Sony Playstation STR format
    DE rawvideo        raw video format
    D  redir           Redirector format
    DE rm              rm format
     E rtp             RTP output format
    D  rtsp            RTSP input format
    DE s16be           pcm signed 16 bit big endian format
    DE s16le           pcm signed 16 bit little endian format
    DE s8              pcm signed 8 bit format
    D  sdp             SDP
    D  shn             raw shorten
    D  smk             Smacker Video
    D  sol             Sierra SOL Format
     E svcd            MPEG2 PS format (VOB)
    DE swf             Flash format
    D  tta             true-audio
    DE u16be           pcm unsigned 16 bit big endian format
    DE u16le           pcm unsigned 16 bit little endian format
    DE u8              pcm unsigned 8 bit format
     E vcd             MPEG1 System format (VCD)
    D  vmd             Sierra VMD format
     E vob             MPEG2 PS format (VOB)
    DE voc             Creative Voice File format
    DE wav             wav format
    D  wc3movie        Wing Commander III movie format
    D  wsaud           Westwood Studios audio format
    D  wsvqa           Westwood Studios VQA format
    DE yuv4mpegpipe    YUV4MPEG pipe format

    Image formats (filename extensions, if any, follow):
    DE gif    gif

    Codecs:
    D V    4xm
    D V D  8bps
    DEA    aac
    D V D  aasc
    DEA    ac3
    DEA    adpcm_4xm
    DEA    adpcm_adx
    DEA    adpcm_ct
    DEA    adpcm_ea
    DEA    adpcm_ima_dk3
    DEA    adpcm_ima_dk4
    DEA    adpcm_ima_qt
    DEA    adpcm_ima_smjpeg
    DEA    adpcm_ima_wav
    DEA    adpcm_ima_ws
    DEA    adpcm_ms
    DEA    adpcm_sbpro_2
    DEA    adpcm_sbpro_3
    DEA    adpcm_sbpro_4
    DEA    adpcm_swf
    DEA    adpcm_xa
    DEA    adpcm_yamaha
    D A    alac
    DEA    amr_nb
    DEA    amr_wb
    DEV D  asv1
    DEV D  asv2
    D V D  avs
    D V    bmp
    D V D  camstudio
    D V D  camtasia
    D V D  cinepak
    D V D  cljr
    D A    cook
    D V D  cyuv
    DES    dvbsub
    DES    dvdsub
    DEV D  dvvideo
    DEV D  ffv1
    DEVSD  ffvhuff
    D A    flac
    D V D  flic
    DEVSD  flv
    D V D  fraps
    DEA    g726
    DEV D  h261
    DEVSDT h263
    D VSD  h263i
     EV    h263p
    DEV DT h264
    DEVSD  huffyuv
    D V D  idcinvideo
    D V D  indeo2
    D V    indeo3
    D A    interplay_dpcm
    D V D  interplayvideo
     EV    jpegls
    D V    kmvc
     EV    ljpeg
    D V D  loco
    D A    mace3
    D A    mace6
    D V D  mdec
    DEV D  mjpeg
    D V D  mjpegb
    D V D  mmvideo
    DEA    mp2
    DEA    mp3
    D A    mp3adu
    D A    mp3on4
    DEVSDT mpeg1video
    DEVSDT mpeg2video
    DEVSDT mpeg4
    D A    mpeg4aac
    D VSDT mpegvideo
    DEVSD  msmpeg4
    DEVSD  msmpeg4v1
    DEVSD  msmpeg4v2
    D V D  msrle
    D V D  msvideo1
    D V D  mszh
    D V D  nuv
    DEV    pam
    DEV    pbm
    DEA    pcm_alaw
    DEA    pcm_mulaw
    DEA    pcm_s16be
    DEA    pcm_s16le
    DEA    pcm_s24be
    DEA    pcm_s24daud
    DEA    pcm_s24le
    DEA    pcm_s32be
    DEA    pcm_s32le
    DEA    pcm_s8
    DEA    pcm_u16be
    DEA    pcm_u16le
    DEA    pcm_u24be
    DEA    pcm_u24le
    DEA    pcm_u32be
    DEA    pcm_u32le
    DEA    pcm_u8
    DEV    pgm
    DEV    pgmyuv
    DEV    png
    DEV    ppm
    D A    qdm2
    D V D  qdraw
    D V D  qpeg
    D V D  qtrle
    DEV    rawvideo
    D A    real_144
    D A    real_288
    D A    roq_dpcm
    D V D  roqvideo
    D V D  rpza
    DEV D  rv10
    DEV D  rv20
    D A    shorten
    D A    smackaud
    D V    smackvid
    D V D  smc
    DEV    snow
    D A    sol_dpcm
    DEA    sonic
     EA    sonicls
    D V D  sp5x
    DEV D  svq1
    D VSD  svq3
    D V    theora
    D V D  truemotion1
    D V D  truemotion2
    D A    truespeech
    D A    tta
    D V D  ultimotion
    D V    vc9
    D V D  vcr1
    D A    vmdaudio
    D V D  vmdvideo
    D A    vorbis
    D V    vp3
    D V D  vqavideo
    D A    wmav1
    D A    wmav2
    DEVSD  wmv1
    DEVSD  wmv2
    D V D  wnv1
    D A    ws_snd1
    D A    xan_dpcm
    D V D  xan_wc3
    D V D  xl
     EV    xvid
    DEV D  zlib
    D V    zmbv

    Supported file protocols:
    file: pipe: udp: rtp: tcp: http:
    Frame size, frame rate abbreviations:
    ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif
    Motion estimation methods:
    zero(fastest) full(slowest) log phods epzs(default) x1 hex umh iter

    Note, the names of encoders and decoders dont always match, so there are
    several cases where the above table shows encoder only or decoder only entries
    even though both encoding and decoding are supported for example, the h263
    decoder corresponds to the h263 and h263p encoders, for file formats its even
    worse

    What is wrong in my code ? Thanks in advance

  • ffmpeg image to video sequence stops after 10

    18 mai 2012, par Jim

    Probably a fast anwser, but my first time trying to do this. I have 77 jpeg pictures, I have renamed them to be 000.jpg - 076.jpg. The next step is using ffmpeg and here is my command statement :

    ffmpeg -f image2 -r .1 -i %d.jpg -r 25 test.avi

    It creates an avi with 10 images for 10seconds each, why only 10 ? I've tried other iterations of %d.jpg in the ffmpeg command with no success.

    thanks for the help all !

    -Jim

    Here is the listing of the directory with the images :

    ls -l
    total 77472
    -rwxr-xr-x 1 jim jim 2329065 May 17 16:31 000.jpg
    -rwxr-xr-x 1 jim jim  716563 May 17 16:31 001.jpg
    -rwxr-xr-x 1 jim jim  716626 May 17 16:31 002.jpg
    -rwxr-xr-x 1 jim jim  726686 May 17 16:31 003.jpg
    -rwxr-xr-x 1 jim jim  739312 May 17 16:31 004.jpg
    -rwxr-xr-x 1 jim jim  720249 May 17 16:31 005.jpg
    -rwxr-xr-x 1 jim jim  666757 May 17 16:31 006.jpg
    -rwxr-xr-x 1 jim jim  656259 May 17 16:31 007.jpg
    -rwxr-xr-x 1 jim jim  664960 May 17 16:31 008.jpg
    -rwxr-xr-x 1 jim jim  740801 May 17 16:31 009.jpg
    -rwxr-xr-x 1 jim jim  882502 May 17 16:31 010.jpg
    -rwxr-xr-x 1 jim jim  631117 May 17 16:31 011.jpg
    -rwxr-xr-x 1 jim jim  730331 May 17 16:31 018.jpg
    -rwxr-xr-x 1 jim jim  725132 May 17 16:31 019.jpg
    -rwxr-xr-x 1 jim jim  729626 May 17 16:31 020.jpg
    -rwxr-xr-x 1 jim jim  731980 May 17 16:31 021.jpg
    -rwxr-xr-x 1 jim jim  671597 May 17 16:31 022.jpg
    -rwxr-xr-x 1 jim jim  681978 May 17 16:31 023.jpg
    -rwxr-xr-x 1 jim jim  686600 May 17 16:31 024.jpg
    -rwxr-xr-x 1 jim jim  675316 May 17 16:31 025.jpg
    -rwxr-xr-x 1 jim jim  681826 May 17 16:31 026.jpg
    -rwxr-xr-x 1 jim jim  740998 May 17 16:31 027.jpg
    -rwxr-xr-x 1 jim jim  568480 May 17 16:31 028.jpg
    -rwxr-xr-x 1 jim jim  747400 May 17 16:31 029.jpg
    -rwxr-xr-x 1 jim jim  630995 May 17 16:31 030.jpg
    -rwxr-xr-x 1 jim jim  689926 May 17 16:31 031.jpg
    -rwxr-xr-x 1 jim jim  685054 May 17 16:31 032.jpg
    -rwxr-xr-x 1 jim jim  710620 May 17 16:31 033.jpg
    -rwxr-xr-x 1 jim jim  658365 May 17 16:31 034.jpg
    -rwxr-xr-x 1 jim jim  657037 May 17 16:31 035.jpg
    -rwxr-xr-x 1 jim jim  772135 May 17 16:31 036.jpg
    -rwxr-xr-x 1 jim jim  741759 May 17 16:31 037.jpg
    -rwxr-xr-x 1 jim jim  807470 May 17 16:31 038.jpg
    -rwxr-xr-x 1 jim jim  748423 May 17 16:31 039.jpg
    -rwxr-xr-x 1 jim jim  712377 May 17 16:31 040.jpg
    -rwxr-xr-x 1 jim jim  715804 May 17 16:31 041.jpg
    -rwxr-xr-x 1 jim jim  701025 May 17 16:31 042.jpg
    -rwxr-xr-x 1 jim jim  759446 May 17 16:31 043.jpg
    -rwxr-xr-x 1 jim jim  621801 May 17 16:31 044.jpg
    -rwxr-xr-x 1 jim jim  720843 May 17 16:31 045.jpg
    -rwxr-xr-x 1 jim jim  704002 May 17 16:31 046.jpg
    -rwxr-xr-x 1 jim jim  696075 May 17 16:31 047.jpg
    -rwxr-xr-x 1 jim jim  723685 May 17 16:31 048.jpg
    -rwxr-xr-x 1 jim jim  732332 May 17 16:31 049.jpg
    -rwxr-xr-x 1 jim jim  747235 May 17 16:31 050.jpg
    -rwxr-xr-x 1 jim jim  883655 May 17 16:31 051.jpg
    -rwxr-xr-x 1 jim jim 1750723 May 17 16:31 052.jpg
    -rwxr-xr-x 1 jim jim 1002588 May 17 16:31 053.jpg
    -rwxr-xr-x 1 jim jim  540666 May 17 16:31 054.jpg
    -rwxr-xr-x 1 jim jim 1876002 May 17 16:31 055.jpg
    -rwxr-xr-x 1 jim jim 1893761 May 17 16:31 056.jpg
    -rwxr-xr-x 1 jim jim 1979442 May 17 16:31 057.jpg
    -rwxr-xr-x 1 jim jim 1766249 May 17 16:31 058.jpg
    -rwxr-xr-x 1 jim jim 2085989 May 17 16:31 059.jpg
    -rwxr-xr-x 1 jim jim  883871 May 17 16:31 060.jpg
    -rwxr-xr-x 1 jim jim  755714 May 17 16:31 061.jpg
    -rwxr-xr-x 1 jim jim  797146 May 17 16:31 062.jpg
    -rwxr-xr-x 1 jim jim 2431531 May 17 16:31 065.jpg
    -rwxr-xr-x 1 jim jim 2413333 May 17 16:31 066.jpg
    -rwxr-xr-x 1 jim jim 2449278 May 17 16:31 067.jpg
    -rwxr-xr-x 1 jim jim 2458183 May 17 16:31 068.jpg
    -rwxr-xr-x 1 jim jim 2514419 May 17 16:31 069.jpg
    -rwxr-xr-x 1 jim jim 2477737 May 17 16:31 070.jpg
    -rwxr-xr-x 1 jim jim 2471347 May 17 16:31 071.jpg
    -rwxr-xr-x 1 jim jim 2384936 May 17 16:31 072.jpg
    -rwxr-xr-x 1 jim jim 2459983 May 17 16:31 073.jpg
    -rwxr-xr-x 1 jim jim 2501286 May 17 16:31 074.jpg
    -rwxr-xr-x 1 jim jim 2367710 May 17 16:31 075.jpg
    -rwxr-xr-x 1 jim jim 2455564 May 17 16:31 076.jpg

    FFMPEG Command and OUTPUT :

    ffmpeg -v verbose -f image2 -r .1 -i %03d.jpg -r 25 test.avi
    ffmpeg version 0.8.1-4:0.8.1-0ubuntu1, Copyright (c) 2000-2011 the Libav developers
     built on Mar 22 2012 05:09:06 with gcc 4.6.3
     configuration: --extra-version='4:0.8.1-0ubuntu1' --arch=amd64 --prefix=/usr --libdir=/usr/lib/x86_64-linux-gnu --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-libfreetype --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/x86_64-linux-gnu --enable-shared --disable-static
     avutil      configuration: --extra-version='4:0.8.1ubuntu1+medibuntu1' --arch=amd64 --prefix=/usr --libdir=/usr/lib/x86_64-linux-gnu --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-version3 --enable-libfreetype --enable-vaapi --enable-libopenjpeg --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdirac --enable-libmp3lame --enable-librtmp --enable-libx264 --enable-libxvid --enable-libopencore-amrnb --enable-version3 --enable-libopencore-amrwb --enable-version3 --enable-libvo-aacenc --enable-version3 --enable-libvo-amrwbenc --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/x86_64-linux-gnu --enable-shared --disable-static
     avcodec     configuration: --extra-version='4:0.8.1ubuntu1+medibuntu1' --arch=amd64 --prefix=/usr --libdir=/usr/lib/x86_64-linux-gnu --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-version3 --enable-libfreetype --enable-vaapi --enable-libopenjpeg --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdirac --enable-libmp3lame --enable-librtmp --enable-libx264 --enable-libxvid --enable-libopencore-amrnb --enable-version3 --enable-libopencore-amrwb --enable-version3 --enable-libvo-aacenc --enable-version3 --enable-libvo-amrwbenc --enable-version3 --enable-libdc1394 --shlibdir=/usr/lib/x86_64-linux-gnu --enable-shared --disable-static
     libavutil    51. 22. 1 / 51. 22. 1
     libavcodec   53. 35. 0 / 53. 35. 0
     libavformat  53. 21. 0 / 53. 21. 0
     libavdevice  53.  2. 0 / 53.  2. 0
     libavfilter   2. 15. 0 /  2. 15. 0
     libswscale    2.  1. 0 /  2.  1. 0
     libpostproc  52.  0. 0 / 52.  0. 0
    This program is not developed anymore and is only provided for compatibility. Use avconv instead (see Changelog for the list of incompatible changes).
    [image2 @ 0x1bef9c0] max_analyze_duration reached

    Seems stream 0 codec frame rate differs from container frame rate: 0.10 (1/10) -> 0.50 (1/2)
    Input #0, image2, from '%03d.jpg':
     Duration: 00:02:00.00, start: 0.000000, bitrate: N/A
       Stream #0.0: Video: mjpeg, yuvj440p, 1920x2560, 0.10 fps, 0.50 tbr, 0.10 tbn, 0.10 tbc
    File 'test.avi' already exists. Overwrite ? [y/N] y
    Incompatible pixel format 'yuvj440p' for codec 'mpeg4', auto-selecting format 'yuv420p'
    [buffer @ 0x1bf0100] w:1920 h:2560 pixfmt:yuvj440p
    [avsink @ 0x1bf13c0] auto-inserting filter 'auto-inserted scaler 0' between the filter 'src' and the filter 'out'
    [scale @ 0x1bf1ae0] w:1920 h:2560 fmt:yuvj440p -> w:1920 h:2560 fmt:yuv420p flags:0x4
    Output #0, avi, to 'test.avi':
     Metadata:
       ISFT            : Lavf53.21.0
       Stream #0.0: Video: mpeg4, yuv420p, 1920x2560, q=2-31, 200 kb/s, 25 tbn, 25 tbc
    Stream mapping:
     Stream #0.0 -> #0.0
    Press ctrl-c to stop encoding
    [buffer @ 0x1bf0100] Changing frame properties on the fly is not supported.
       Last message repeated 10 times
    frame=    1 fps=  0 q=5.7 Lsize=      97kB time=0.04 bitrate=19823.2kbits/s    
    video:91kB audio:0kB global headers:0kB muxing overhead 6.106282%

    Now test.avi is only 99Kbs and doesn't play anything.

  • ffmpeg : Pipe input error

    1er septembre 2012, par Amit Khanna

    I'm facing an issue while working with ffmpeg when input and output are pipes. Though Output pipe is working fine, piping the input is causing some error.

    I tried to convert mp4 video to flv using the following command and it worked fine :

    $ ffmpeg  -i video-2012-04-26-19-48-40.mp4 -ar 44100 -ab 96 -f flv pipe:1 | cat> videoname.flv

    It worked fine and gave the following output :

    FFmpeg version 0.6-4:0.6-2ubuntu6.3, Copyright (c) 2000-2010 the FFmpeg developers
     built on Dec 21 2011 18:37:43 with gcc 4.4.5
     configuration: --extra-version=4:0.6-2ubuntu6.3 --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=4:0.6-2ubuntu3.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libavcodec  configuration: --extra-version=4:0.6-2ubuntu3.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libavformat configuration: --extra-version=4:0.6-2ubuntu6.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libavdevice configuration: --extra-version=4:0.6-2ubuntu6.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libavfilter configuration: --extra-version=4:0.6-2ubuntu6.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libswscale  configuration: --extra-version=4:0.6-2ubuntu6.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libpostproc configuration: --extra-version=4:0.6-2ubuntu6.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     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

    Seems stream 0 codec frame rate differs from container frame rate: 60000.00 (60000/1) -> 1000.00 (1000/1)
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video-2012-04-26-19-48-40.mp4':
     Metadata:
       major_brand     : 3gp4
       minor_version   : 768
       compatible_brands: 3gp43gp6
     Duration: 00:00:09.55, start: 0.000000, bitrate: 3366 kb/s
       Stream #0.0(eng): Video: h264, yuv420p, 720x480, 3304 kb/s, 29.61 fps, 1k tbr, 30k tbn, 60k tbc
       Stream #0.1(eng): Audio: aac, 16000 Hz, mono, s16, 56 kb/s
    WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s
    Output #0, flv, to 'pipe:1':
     Metadata:
       encoder         : Lavf52.64.2
       Stream #0.0(eng): Video: flv, yuv420p, 720x480, q=2-31, 200 kb/s, 1k tbn, 1k tbc
       Stream #0.1(eng): Audio: adpcm_swf, 44100 Hz, mono, s16, 0 kb/s
    Stream mapping:
     Stream #0.0 -> #0.0
     Stream #0.1 -> #0.1
    Press [q] to stop encoding
    frame=  283 fps=175 q=31.0 Lsize=     924kB time=9.52 bitrate= 794.7kbits/s    
    video:709kB audio:207kB global headers:0kB muxing overhead 0.867656%

    But when I read the input also from pipe, I get an error :

    Command :

    $cat video-2012-04-26-19-48-40.mp4| ffmpeg -i pipe: -ar 44100 -ab 96 -f flv pipe:1 | cat> videoname.flv

    Error output :

    FFmpeg version 0.6-4:0.6-2ubuntu6.3, Copyright (c) 2000-2010 the FFmpeg developers
     built on Dec 21 2011 18:37:43 with gcc 4.4.5
     configuration: --extra-version=4:0.6-2ubuntu6.3 --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=4:0.6-2ubuntu3.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libavcodec  configuration: --extra-version=4:0.6-2ubuntu3.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libavformat configuration: --extra-version=4:0.6-2ubuntu6.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libavdevice configuration: --extra-version=4:0.6-2ubuntu6.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libavfilter configuration: --extra-version=4:0.6-2ubuntu6.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libswscale  configuration: --extra-version=4:0.6-2ubuntu6.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     libpostproc configuration: --extra-version=4:0.6-2ubuntu6.3 --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 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
     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
    [mov,mp4,m4a,3gp,3g2,mj2 @ 0x8962bc0]stream 0, offset 0x28: partial file
    [mov,mp4,m4a,3gp,3g2,mj2 @ 0x8962bc0]Could not find codec parameters (Video: h264, 3304 kb/s)
    [mov,mp4,m4a,3gp,3g2,mj2 @ 0x8962bc0]Could not find codec parameters (Audio: aac, mono, s16, 56 kb/s)
    pipe:: could not find codec parameters

    Please help me fix the error.