Recherche avancée

Médias (0)

Mot : - Tags -/diogene

Aucun média correspondant à vos critères n’est disponible sur le site.

Autres articles (52)

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

  • L’espace de configuration de MediaSPIP

    29 novembre 2010, par

    L’espace de configuration de MediaSPIP est réservé aux administrateurs. Un lien de menu "administrer" est généralement affiché en haut de la page [1].
    Il permet de configurer finement votre site.
    La navigation de cet espace de configuration est divisé en trois parties : la configuration générale du site qui permet notamment de modifier : les informations principales concernant le site (...)

  • Contribute to a better visual interface

    13 avril 2011

    MediaSPIP is based on a system of themes and templates. Templates define the placement of information on the page, and can be adapted to a wide range of uses. Themes define the overall graphic appearance of the site.
    Anyone can submit a new graphic theme or template and make it available to the MediaSPIP community.

Sur d’autres sites (9260)

  • FFMPeg OS X Lion [closed]

    19 février 2013, par Infinite Possibilities

    I've build FFmpeg from source, using this tutorial.

    It is working very well, but I have a problem. I did the compile on OS X 10.8 and when I try to run on OS X 10.7, it fails and the error code says that it isn't built for OS X 10.7.

    Is there any configure parameter that I can specify this ?

  • audio extracted from flv file via ffmpeg is of shorter duration than the actual flv video [closed]

    11 janvier 2013, par user1961143

    I have extracted audio from flv file via ffmpeg using this command :-

    ffmpeg -i 164_29.flv v19.mp3

    The flv videos duration is 3 minutes but the audio is of 2 mins 20 seconds only. On searching i found that the silent pieces of audio are removed when generating audio from ffmpeg. But i need the audio file to be of exactly same duration as flv video as later i need to put this audio in the flv video itself. Please help as this is urgent for our project. I am running the FFMpeg via .net windows service, so in case you know any other tool which can extract the audio of same duration as video and can be run via .net, it would be useful too.

    Console output :

    C :\Users\ritika.thakur>ffmpeg -i 164_29.flv v19.mp3
    ffmpeg version N-47062-g26c531c Copyright (c) 2000-2012 the FFmpeg developers
    built on Nov 25 2012 12:23:20 with gcc 4.7.2 (GCC)
    configuration : —disable-static —enable-shared —enable-gpl —enable-version —disable-pthreads —enable-runtime-cpudetect —enable-avisynth —enable-bzlib —enable-frei0r —enable-libass —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libfreetype —enable-libgsm —enable-libmp3lame —enable-libnut -enable-libopenjpeg —enable-libopus —enable-librtmp —enable-libschroedinger -enable-libspeex —enable-libtheora —enable-libutvideo —enable-libvo-aacenc —enable-libvo-amrwbenc —enable-libvorbis —enable-libvpx —enable-libx264 —enale-libxavs —enable-libxvid —enable-zlib
    libavutil 52. 9.100 / 52. 9.100
    libavcodec 54. 77.100 / 54. 77.100
    libavformat 54. 37.100 / 54. 37.100
    libavdevice 54. 3.100 / 54. 3.100
    libavfilter 3. 23.102 / 3. 23.102
    libswscale 2. 1.102 / 2. 1.102
    libswresample 0. 17.101 / 0. 17.101
    libpostproc 52. 2.100 / 52. 2.100
    Input #0, flv, from '164_29.flv' :
    Metadata :
    canSeekToEnd : false
    createdby : FMS 4.0
    creationdate : Tue Jan 08 00:26:19 2013
    Duration : 00:03:04.08, start : 0.000000, bitrate : 283
    kb/s
    Stream #0:0 : Video : flv1, yuv420p, 320x240, 1k tbr, 1k tbn, 1k tbc
    Stream #0:1 : Audio : nellymoser, 22050 Hz, mono, flt
    Output #0, mp3, to 'v19.mp3' :
    Metadata :
    canSeekToEnd : false
    createdby : FMS 4.0
    creationdate : Tue Jan 08 00:26:19 2013
    TSSE : Lavf54.37.100
    Stream #0:0 : Audio : mp3, 22050 Hz, mono, fltp
    Stream mapping :
    Stream #0:1 -> #0:0 (nellymoser -> libmp3lame)
    Press [q] to stop, [?] for help
    size= 567kB time=00:03:04.13 bitrate= 25.2kbits/s video:0kB audio:567kB subtitle:0 global headers:0kB muxing overhead 0.051503%

    This is the output of console for both video and audio file separately :-

    Microsoft Windows [Version 6.1.7601]
    Copyright (c) 2009 Microsoft Corporation. All rights reserved.

    C :\Users\ritika.thakur>ffmpeg -i v19.mp3

    ffmpeg version N-47062-g26c531c Copyright (c) 2000-2012 the FFmpeg developers
    built on Nov 25 2012 12:23:20 with gcc 4.7.2 (GCC)
    configuration : —disable-static —enable-shared —enable-gpl —enable-version3
    —disable-pthreads —enable-runtime-cpudetect —enable-avisynth —enable-bzlib
    — enable-frei0r —enable-libass —enable-libopencore-amrnb —enable-libopencore-
    amrwb —enable-libfreetype —enable-libgsm —enable-libmp3lame —enable-libnut -
    - enable-libopenjpeg —enable-libopus —enable-librtmp —enable-libschroedinger -
    - enable-libspeex —enable-libtheora —enable-libutvideo —enable-libvo-aacenc —
    enable-libvo-amrwbenc —enable-libvorbis —enable-libvpx —enable-libx264 —enab
    le-libxavs —enable-libxvid —enable-zlib
    libavutil 52. 9.100 / 52. 9.100
    libavcodec 54. 77.100 / 54. 77.100
    libavformat 54. 37.100 / 54. 37.100
    libavdevice 54. 3.100 / 54. 3.100
    libavfilter 3. 23.102 / 3. 23.102
    libswscale 2. 1.102 / 2. 1.102
    libswresample 0. 17.101 / 0. 17.101
    libpostproc 52. 2.100 / 52. 2.100
    [mp3 @ 0056e780] max_analyze_duration 5000000 reached at 5015510
    Input #0, mp3, from 'v19.mp3' :
    Metadata :
    canSeekToEnd : false
    createdby : FMS 4.0
    creationdate : Tue Jan 08 00:26:19 2013
    encoder : Lavf54.37.100
    Duration : 00:02:25.14, start : 0.000000, bitrate : 32 kb/s
    Stream #0:0 : Audio : mp3, 22050 Hz, mono, s16, 32 kb/s
    At least one output file must be specified

    C :\Users\ritika.thakur>ffmpeg -i 164_29.flv

    ffmpeg version N-47062-g26c531c Copyright (c) 2000-2012 the FFmpeg developers
    built on Nov 25 2012 12:23:20 with gcc 4.7.2 (GCC)
    configuration : —disable-static —enable-shared —enable-gpl —enable-version3
    —disable-pthreads —enable-runtime-cpudetect —enable-avisynth —enable-bzlib
    — enable-frei0r —enable-libass —enable-libopencore-amrnb —enable-libopencore-
    amrwb —enable-libfreetype —enable-libgsm —enable-libmp3lame —enable-libnut -
    - enable-libopenjpeg —enable-libopus —enable-librtmp —enable-libschroedinger -
    - enable-libspeex —enable-libtheora —enable-libutvideo —enable-libvo-aacenc —
    enable-libvo-amrwbenc —enable-libvorbis —enable-libvpx —enable-libx264 —enab
    le-libxavs —enable-libxvid —enable-zlib
    libavutil 52. 9.100 / 52. 9.100
    libavcodec 54. 77.100 / 54. 77.100
    libavformat 54. 37.100 / 54. 37.100
    libavdevice 54. 3.100 / 54. 3.100
    libavfilter 3. 23.102 / 3. 23.102
    libswscale 2. 1.102 / 2. 1.102
    libswresample 0. 17.101 / 0. 17.101
    libpostproc 52. 2.100 / 52. 2.100
    Input #0, flv, from '164_29.flv' :
    Metadata :
    canSeekToEnd : false
    createdby : FMS 4.0
    creationdate : Tue Jan 08 00:26:19 2013
    Duration : 00:03:04.08, start : 0.000000, bitrate : 283 kb/s
    Stream #0:0 : Video : flv1, yuv420p, 320x240, 1k tbr, 1k tbn, 1k tbc
    Stream #0:1 : Audio : nellymoser, 22050 Hz, mono, flt
    At least one output file must be specified

    If you see the duration of video is of 3:04 but audio extracted from it is of 2:25 only.
    Actually i am using ffmpeg overlay to show two videos side by side in our debate project for the client. Now ffmpeg takes audio from first video by default. But we want the audio from both videos together as a debate going on. Hence I thought of a solution to extract audio from both videos and merge them and than apply them to the overlayed video. This will all work perfectly only if I get the complete audio from the video file i.e. of equal duration.
    For more information i am writing here the overlay command we are using :-

     **ffmpeg -i 164_29.flv  -vf "[in] scale=359:320, pad=2*iw+6:ih
    
  [left];    movie=164_30.flv, scale=359:320 [right]; [left][right] 
    
  overlay=365:0  [out]" -b:v 3600k -y a1.flv**
    

    
 **This is the console output of this overlay command:-**

    C :\Users\ritika.thakur>ffmpeg -i 164_29.flv -vf "[in] scale=359:320, pad=2*iw+6
    :ih [left] ; movie=164_30.flv, scale=359:320 [right] ; [left][right] overlay=365:0
    [out]" -b:v 3600k -y a1.flv
    ffmpeg version N-47062-g26c531c Copyright (c) 2000-2012 the FFmpeg developers
    built on Nov 25 2012 12:23:20 with gcc 4.7.2 (GCC)
    configuration : —disable-static —enable-shared —enable-gpl —enable-version3
    —disable- pthreads —enable-runtime-cpudetect —enable- avisynth
    —enable-bzlib —enable
    -frei0r
    —enable-libass —enable-libopencore-amrnb —enable-libopencore-amrwb
    —enable- libfreetype —enable-libgsm —enable-libmp3lame —enable-libnut
    —enable-libopenjpeg —enable-libopus —enable-librtmp —enable-libschroedinger
    — enable-
    libspeex —enable-libtheora —enable- libutvideo
    —enable-libvo-aacenc —
    enable-libvo-amrwbenc —enable-libvorbis —enable-libvpx
    —enable-libx264 —enab
    le-libxavs —enable-libxvid —enable-zlib
    libavutil 52. 9.100 / 52. 9.100
    libavcodec 54. 77.100 / 54. 77.100
    libavformat 54. 37.100 / 54. 37.100
    libavdevice 54. 3.100 / 54. 3.100
    libavfilter 3. 23.102 / 3. 23.102
    libswscale 2. 1.102 / 2. 1.102
    libswresample 0. 17.101 / 0. 17.101
    libpostproc 52. 2.100 / 52. 2.100
    Input #0, flv, from '164_29.flv' :
    Metadata :
    canSeekToEnd : false
    createdby : FMS 4.0
    creationdate : Tue Jan 08 00:26:19 2013
    Duration : 00:03:04.08, start : 0.000000, bitrate : 283 kb/s
    Stream #0:0 : Video : flv1, yuv420p, 320x240, 1k tbr, 1k tbn, 1k tbc
    Stream #0:1 : Audio : nellymoser, 22050 Hz, mono, flt
    Output #0, flv, to 'a1.flv' :
    Metadata :
    canSeekToEnd : false
    createdby : FMS 4.0
    creationdate : Tue Jan 08 00:26:19 2013
    encoder : Lavf54.37.100
    Stream #0:0 : Video : flv1 ([2][0][0][0] / 0x0002), yuv420p, 724x320, q=2-31,
    3600 kb/s, 1k tbn, 1k tbc
    Stream #0:1 : Audio : mp3 ([2][0][0][0] / 0x0002), 22050 Hz, mono, fltp
    Stream mapping :
    Stream #0:0 -> #0:0 (flv -> flv)
    Stream #0:1 -> #0:1 (nellymoser -> libmp3lame)
    Press [q] to stop, [?] for help
    frame= 83 fps=0.0 q=4.1 size= 343kB time=00:00:07.01 bitrate= 401.2kbits/s
    frame= 149 fps=149 q=2.3 size= 861kB time=00:00:14.87 bitrate= 473.9kbits/s
    frame= 223 fps=148 q=2.0 size= 1492kB time=00:00:22.00 bitrate= 555.4kbits/s
    frame= 308 fps=153 q=2.0 size= 2195kB time=00:00:28.64 bitrate= 627.8kbits/s
    frame= 391 fps=156 q=2.0 size= 2858kB time=00:00:34.06 bitrate= 687.4kbits/s
    frame= 478 fps=159 q=2.0 size= 3541kB time=00:00:39.55 bitrate= 733.4kbits/s
    frame= 547 fps=156 q=2.0 size= 4293kB time=00:00:46.80 bitrate= 751.5kbits/s
    frame= 645 fps=161 q=2.0 size= 4896kB time=00:00:51.63 bitrate= 776.8kbits/s
    Buffer queue overflow, dropping.
    [Parsed_overlay_4 @ 0152ca80] Buffer queue overflow, dropping.
    Last message repeated 16 times
    frame= 731 fps=162 q=2.0 size= 5418kB time=00:00:56.61 bitrate= 784.0kbits/s
    Buffer queue overflow, dropping.
    [Parsed_overlay_4 @ 0152ca80] Buffer queue overflow, dropping.
    Last message repeated 49 times
    frame= 794 fps=158 q=2.0 size= 5802kB time=00:01:02.37 bitrate= 762.1kbits/s
    frame= 886 fps=160 q=2.0 size= 6363kB time=00:01:07.00 bitrate= 778.0kbits/s
    Buffer queue overflow, dropping.
    [Parsed_overlay_4 @ 0152ca80] Buffer queue overflow, dropping.
    Last message repeated 29 times
    frame= 954 fps=158 q=2.0 size= 6785kB time=00:01:13.31 bitrate= 758.2kbits/s
    frame= 1056 fps=162 q=2.0 size= 7377kB time=00:01:16.94 bitrate= 785.4kbits/s
    Buffer queue overflow, dropping.
    [Parsed_overlay_4 @ 0152ca80] Buffer queue overflow, dropping.
    Last message repeated 30 times
    frame= 1130 fps=161 q=2.0 size= 7789kB time=00:01:22.19 bitrate= 776.3kbits/s
    frame= 1217 fps=162 q=2.0 size= 8372kB time=00:01:27.68 bitrate= 782.1kbits/s
    frame= 1306 fps=163 q=2.0 size= 9074kB time=00:01:32.86 bitrate= 800.5kbits/s
    frame= 1393 fps=163 q=1.6 size= 9700kB time=00:01:38.41 bitrate= 807.3kbits/s
    frame= 1475 fps=163 q=2.0 size= 10278kB time=00:01:44.03 bitrate= 809.4kbits/s
    frame= 1568 fps=164 q=2.0 size= 10825kB time=00:01:48.52 bitrate= 817.1kbits/s
    frame= 1658 fps=165 q=2.0 size= 11439kB time=00:01:53.44 bitrate= 826.0kbits/s
    frame= 1734 fps=165 q=2.0 size= 12027kB time=00:01:58.31 bitrate= 832.7kbits/s
    frame= 1792 fps=162 q=2.0 size= 12579kB time=00:02:03.41 bitrate= 835.0kbits/s
    frame= 1851 fps=160 q=2.0 size= 13284kB time=00:02:10.74 bitrate= 832.3kbits/s
    frame= 1929 fps=160 q=2.0 size= 13922kB time=00:02:16.85 bitrate= 833.3kbits/s
    frame= 2010 fps=160 q=2.0 size= 14652kB time=00:02:23.39 bitrate= 837.1kbits/s
    frame= 2102 fps=161 q=2.0 size= 15329kB time=00:02:28.86 bitrate= 843.6kbits/s
    frame= 2200 fps=162 q=2.0 size= 15963kB time=00:02:34.08 bitrate= 848.7kbits/s
    frame= 2292 fps=163 q=2.0 size= 16554kB time=00:02:38.96 bitrate= 853.1kbits/s
    frame= 2378 fps=163 q=2.0 size= 17157kB time=00:02:44.50 bitrate= 854.4kbits/s
    frame= 2468 fps=164 q=2.0 size= 17826kB time=00:02:49.50 bitrate= 861.5kbits/s
    frame= 2564 fps=165 q=2.0 size= 18489kB time=00:02:54.43 bitrate= 868.3kbits/s
    Buffer queue overflow, dropping.
    [Parsed_overlay_4 @ 0152ca80] Buffer queue overflow, dropping.
    Last message repeated 15 times
    frame= 2647 fps=165 q=2.0 size= 19079kB time=00:02:59.53 bitrate= 870.6kbits/s
    frame= 2728 fps=165 q=2.0 Lsize= 19703kB time=00:03:04.13 bitrate= 876.6kbits/
    s video:19006kB audio:567kB subtitle:0 global headers:0kB muxing overhead 0.663315%

    Everything is working fine except that we want audio from both videos playing together in final overlayed file. I would be highly grateful if you can help in this and let me know if its possible to do via ffmpeg or not.

  • How to decompress a compressed type audio file using ffmpeg ?

    28 janvier 2017, par iPhoneDev

    I need to decompress an audio file through code using ffmpeg.
    I have compiled FFMPEG for iOS with the link : http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2009-October/076618.html

    Now I am not getting how to include ffmpeg in my xcode project ? Which ffmpeg libraries to use ?
    Which methods to use for decompresson ?

    Please answer.

Navigation