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• Jeu Pour Gagner un Livre Web Analytique !

  26 juillet 2012, par Piwik team — Communauté

  Un grand merci à tous ceux et celles qui ont participé à cette première semaine du Grand Jeu Concours Piwik de l’été.
  Comme vous le savez nous faisons gagner un livre par semaine à ceux qui commente cet article et nous sélectionnons alors un gagnant.
  Cette semaine c’est Steve qui remporte le livre sur Piwik, félicitations !

  Il nous reste désormais 9 livres à vous faire gagner :)

  Merci de commenter sur l’article suivant : fr.piwik.org/blog/2012/07/grand-jeu-concours-piwik-10-livres-piwik-en-francais-a-gagner/

  

• fresh ffmpeg on 10.04 Could Not Find Codec Parameters

  26 juillet 2012, par Dmitry Kharlamov

    ffmpeg version git-2012-07-24-93342de Copyright (c) 2000-2012 the FFmpeg developers
  
    built on Jul 24 2012 23:55:41 with gcc 4.4.3 (Ubuntu 4.4.3-4ubuntu5.1)
  
    configuration: --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-swscale --enable-vdpau --enable-version3 --enable-libtheora --enable-libvorbis --enable-libvpx --enable-x11grab
  
    libavutil      51. 65.100 / 51. 65.100
  
    libavcodec     54. 44.100 / 54. 44.100
  
    libavformat    54. 20.100 / 54. 20.100
  
    libavdevice    54.  2.100 / 54.  2.100
  
    libavfilter     3.  3.100 /  3.  3.100
  
    libswscale      2.  1.100 /  2.  1.100
  
    libswresample   0. 15.100 /  0. 15.100
  
    libpostproc    52.  0.100 / 52.  0.100
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x2a1b240] Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), 1280x720): unspecified pixel format
  
  Consider increasing the value for the 'analyzeduration' and 'probesize' options
  
  /path/to/video.mp4: could not find codec parameters
  
  
  
  
  
  ffmpeg command line:
  
  /usr/local/bin/ffmpeg -i /path/to/video.mp4

• FFMPEG failing to convert to ogv [closed]

  25 juillet 2012, par Todd R

  I have several videos I'm trying to convert to mp4, swf and ogv. I've got the mp4 and swf's working, but ogv is failing and I'm not sure why. I understand all the arguments you can pass to ffmpeg, but feel like getting the correct ones is a huge guessing game. Any suggestions on what I can change to get this to work would be much appreciated.

  Here's the command I'm using :

  ffmpeg -i /private/var/tmp/phpU5KPR7 -y -s 330X240 -acodec libvorbis -vcodec libtheora outputpath/Videos/1.ogv 2>&1

  And here are the results :

  2012-07-24T19:05:11-07:00 INFO (6): Creating ogv for 1 returned 1:
  
  2012-07-24T19:05:11-07:00 INFO (6): Array
  
  (
  
      [0] => ffmpeg version 0.8.6, Copyright (c) 2000-2011 the FFmpeg developers
  
      [1] =>   built on Nov 16 2011 19:56:59 with gcc 4.2.1 (Apple Inc. build 5666) (dot 3)
  
      [2] =>   configuration: --enable-libmp3lame --enable-libfaac --enable-libtheora --enable-libvorbis --enable-nonfree --disable-yasm
  
      [3] =>   libavutil    51.  9. 1 / 51.  9. 1
  
      [4] =>   libavcodec   53.  7. 0 / 53.  7. 0
  
      [5] =>   libavformat  53.  4. 0 / 53.  4. 0
  
      [6] =>   libavdevice  53.  1. 1 / 53.  1. 1
  
      [7] =>   libavfilter   2. 23. 0 /  2. 23. 0
  
      [8] =>   libswscale    2.  0. 0 /  2.  0. 0
  
      [9] => Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/private/var/tmp/phpU5KPR7':
  
      [10] =>   Metadata:
  
      [11] =>     major_brand     : 3gp4
  
      [12] =>     minor_version   : 768
  
      [13] =>     compatible_brands: 3gp43gp6
  
      [14] =>   Duration: 00:00:03.17, start: 0.000000, bitrate: 433 kb/s
  
      [15] =>     Stream #0.0(eng): Audio: amrnb, 8000 Hz, 1 channels, flt, 12 kb/s
  
      [16] =>     Stream #0.1(eng): Video: mpeg4, yuv420p, 352x288 [PAR 1:1 DAR 11:9], 411 kb/s, 13.87 fps, 15 tbr, 15k tbn, 15 tbc
  
      [17] => WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s
  
      [18] => Incompatible sample format 'flt' for codec 'libfaac', auto-selecting format 's16'
  
      [19] => [buffer @ 0x101001480] w:352 h:288 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param:
  
      [20] => [scale @ 0x101002560] w:352 h:288 fmt:yuv420p -> w:330 h:240 fmt:yuv420p flags:0x4
  
      [21] => Output #0, mp4, to 'outputpath/Videos/1.mp4':
  
      [22] =>   Metadata:
  
      [23] =>     major_brand     : 3gp4
  
      [24] =>     minor_version   : 768
  
      [25] =>     compatible_brands: 3gp43gp6
  
      [26] =>     encoder         : Lavf53.4.0
  
      [27] =>     Stream #0.0(eng): Video: mpeg4, yuv420p, 330x240 [PAR 8:9 DAR 11:9], q=2-31, 300 kb/s, 20 tbn, 20 tbc
  
      [28] =>     Stream #0.1(eng): Audio: libfaac, 44100 Hz, 1 channels, s16, 0 kb/s
  
      [29] => Stream mapping:
  
      [30] =>   Stream #0.1 -> #0.0
  
      [31] =>   Stream #0.0 -> #0.1
  
      [32] => Press [q] to stop, [?] for help
  
      [33] => Warning, using s16 intermediate sample format for resampling
  
      [34] => frame=   62 fps=  0 q=6.4 Lsize=     253kB time=00:00:03.08 bitrate= 670.6kbits/s dup=18 drop=0
  
      [35] => video:238kB audio:12kB global headers:0kB muxing overhead 1.096923%
  
      [36] => ffmpeg version 0.8.6, Copyright (c) 2000-2011 the FFmpeg developers
  
      [37] =>   built on Nov 16 2011 19:56:59 with gcc 4.2.1 (Apple Inc. build 5666) (dot 3)
  
      [38] =>   configuration: --enable-libmp3lame --enable-libfaac --enable-libtheora --enable-libvorbis --enable-nonfree --disable-yasm
  
      [39] =>   libavutil    51.  9. 1 / 51.  9. 1
  
      [40] =>   libavcodec   53.  7. 0 / 53.  7. 0
  
      [41] =>   libavformat  53.  4. 0 / 53.  4. 0
  
      [42] =>   libavdevice  53.  1. 1 / 53.  1. 1
  
      [43] =>   libavfilter   2. 23. 0 /  2. 23. 0
  
      [44] =>   libswscale    2.  0. 0 /  2.  0. 0
  
      [45] => Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/private/var/tmp/phpU5KPR7':
  
      [46] =>   Metadata:
  
      [47] =>     major_brand     : 3gp4
  
      [48] =>     minor_version   : 768
  
      [49] =>     compatible_brands: 3gp43gp6
  
      [50] =>   Duration: 00:00:03.17, start: 0.000000, bitrate: 433 kb/s
  
      [51] =>     Stream #0.0(eng): Audio: amrnb, 8000 Hz, 1 channels, flt, 12 kb/s
  
      [52] =>     Stream #0.1(eng): Video: mpeg4, yuv420p, 352x288 [PAR 1:1 DAR 11:9], 411 kb/s, 13.87 fps, 15 tbr, 15k tbn, 15 tbc
  
      [53] => Incompatible sample format 'flt' for codec 'libvorbis', auto-selecting format 's16'
  
      [54] => [buffer @ 0x1010021a0] w:352 h:288 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param:
  
      [55] => [scale @ 0x101002520] w:352 h:288 fmt:yuv420p -> w:330 h:240 fmt:yuv420p flags:0x4
  
      [56] => [libvorbis @ 0x101801e00] oggvorbis_encode_init: init_encoder failed
  
      [57] => Output #0, ogg, to 'outputpath/Videos/1.ogv':
  
      [58] =>     Stream #0.0(eng): Video: libtheora, yuv420p, 330x240 [PAR 8:9 DAR 11:9], q=2-31, 200 kb/s, 90k tbn, 15 tbc
  
      [59] =>     Stream #0.1(eng): Audio: libvorbis, 8000 Hz, 1 channels, s16, 64 kb/s
  
      [60] => Stream mapping:
  
      [61] =>   Stream #0.1 -> #0.0
  
      [62] =>   Stream #0.0 -> #0.1
  
      [63] => Error while opening encoder for output stream #0.1 - maybe incorrect parameters such as bit_rate, rate, width or height
  
  )