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  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

  • Multilang : améliorer l’interface pour les blocs multilingues

    18 février 2011, par

    Multilang est un plugin supplémentaire qui n’est pas activé par défaut lors de l’initialisation de MediaSPIP.
    Après son activation, une préconfiguration est mise en place automatiquement par MediaSPIP init permettant à la nouvelle fonctionnalité d’être automatiquement opérationnelle. Il n’est donc pas obligatoire de passer par une étape de configuration pour cela.

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
    For older browsers the Flowplayer flash fallback is used.
    MediaSPIP allows for media playback on major mobile platforms with the above (...)

Sur d’autres sites (6831)

  • Detecting on which frame there is audio presence on a video

    26 août 2016, par drov

    I have a few video files that corresponds to a tv zapping (one channel with sound, then a black screen without sound, then sound again with the new channel)

    I already detect pretty much everything but I would like to know how long it takes for the audio to appear after the end of the black screen.

    Basically I extract the audio from the video and giving the starting frame I would like to know at which frame there is some audio again.

    Then using that I can easily calculate the time it took for the audio to appear.

  • nodejs FFMPEG argument issues

    16 août 2016, par shaun

    When I put the following command in the command line FFMPEG works completely correct and mute’s the sections of the video as expected.

    C:\>ffmpeg -y -i C:/Users/ADMINI~1/AppData/Local/Temp/2/0400028520160811144100001i100.mp4 -af "volume=enable='between(t,1,3)':volume=0, volume=enable='between(t,10,12)':volume=0, volume=enable='between(t,4,6)':volume=0, volume=enable='between(t,7,9)':volume=0" -c:v copy -movflags +faststart c:\temp\31e7ac4063d111e6bdc67f1f7f7b55d3.mp4
    ffmpeg version N-79651-ge1c2048 Copyright (c) 2000-2016 the FFmpeg developers
     built with gcc 4.9.3 (GCC)
     configuration: --prefix=/usr/local/x86_64-w64-mingw32 --enable-gpl --enable-nonfree --enable-libx264 --enable-libfdk_aac --enable-static --enable-runtime-cpudetect --enable-w32threads --disable-shared --disable-ffplay --disable-ffserver --arch=x86_64 --extra-cflags=-I/local/x86_64-w64-mingw32/include --extra-ldflags='-L/local/x86_64-w64-mingw32/lib -static'
     libavutil      55. 22.101 / 55. 22.101
     libavcodec     57. 38.100 / 57. 38.100
     libavformat    57. 34.103 / 57. 34.103
     libavdevice    57.  0.101 / 57.  0.101
     libavfilter     6. 44.100 /  6. 44.100
     libswscale      4.  1.100 /  4.  1.100
     libswresample   2.  0.101 /  2.  0.101
     libpostproc    54.  0.100 / 54.  0.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:/Users/ADMINI~1/AppData/Local/Temp/2/0400028520160811144100001i100.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf57.34.103
     Duration: 00:00:12.78, start: 0.000000, bitrate: 4074 kb/s
       Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 4006 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 64 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    [mp4 @ 03a8e5e0] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
       Last message repeated 1 times
    Output #0, mp4, to 'c:\temp\31e7ac4063d111e6bdc67f1f7f7b55d3-AudRedact.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf57.34.103
       Stream #0:0(und): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 1280x720, q=2-31, 4006 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz, stereo, fltp, 128 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
         encoder         : Lavc57.38.100 aac
    Stream mapping:
     Stream #0:0 -> #0:0 (copy)
     Stream #0:1 -> #0:1 (aac (native) -> aac (native))
    Press [q] to stop, [?] for help
    [mp4 @ 03a8e5e0] Starting second pass: moving the moov atom to the beginning of the file24.3x
    frame=  383 fps=0.0 q=-1.0 Lsize=    6325kB time=00:00:12.73 bitrate=4068.3kbits/s speed=24.7x
    video:6244kB audio:69kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.191899%
    [aac @ 03776160] Qavg: 51080.756

    However if I build the same in node programatically :

    function redactAudio(tempFilePath, arrPairs, cb){
       // ffmpeg -loglevel fatal -y -i video.mp4 -af "volume=enable='between(t,5,10)':volume=0, volume=enable='between(t,15,20)':volume=0" -c:v copy -movflags +faststart output.mp4

       var tempBuff = Buffer.alloc(16);
       jsuuid.v1(null, tempBuff, 0);
       var outFileName = tempBuff.toString('hex') + path2.extname(tempFilePath);

       var volStr = '"';
       for (var i = 0; i < arrPairs.length; i++) {
           volStr += "volume=enable='between(t," + arrPairs[i].start + "," + arrPairs[i].end + ")':volume=0";
           if (i !== arrPairs.length - 1) {
               volStr += ", ";
           } else {
               volStr += '"';
           }
       }

       child_process.execFile(
           'ffmpeg',
           [
               /*'-loglevel', 'fatal',*/
               '-y', '-i', tempFilePath,
               '-af', volStr,
               '-c:v', 'copy',
               '-movflags', '+faststart', outFileName
           ],
           {
               cwd: tempDir,
               maxBuffer: Infinity
           },
           function(err, stdout, stderr) {
               if (err) {
                   console.error(clc.magentaBright(clc.whiteBright('FFMPEG - ERROR OCC: ', path2.basename(tempFilePath), ' : ', stderr, '\n')));
                   return cb(err, 'FFMpeg Failed: ' +  JSON.stringify({ stdout: stdout, stderr: stderr} ));
               } else {
                   console.log(clc.magentaBright(clc.whiteBright('FFMPEG - Finished:  ', path2.basename(tempFilePath), '\n')));
                   return cb(null, outFileName);
               }
           }
       );  
    }

    Please Help me understand what is going on because I get the following error every time when run from node.

    FFMPEG - ERROR OCC:  0400028520160811144100001i100.mp4  :  ffmpeg version N-79651-ge1c2048 Copyright (c) 2000-2016 the FFmpeg developers
     built with gcc 4.9.3 (GCC)
     configuration: --prefix=/usr/local/x86_64-w64-mingw32 --enable-gpl --enable-nonfree --enable-libx264 --enable-libfdk_aac --enable-static --enable-runtime-cpudetect --enable-w32threads --disable-shared --disable-ffplay --disable-ffserver --arch=x86_64 --extra-cflags=-I/local/x86_64-w64-mingw32/include --extra-ldflags='-L/local/x86_64-w64-mingw32/lib -static'
     libavutil      55. 22.101 / 55. 22.101
     libavcodec     57. 38.100 / 57. 38.100
     libavformat    57. 34.103 / 57. 34.103
     libavdevice    57.  0.101 / 57.  0.101
     libavfilter     6. 44.100 /  6. 44.100
     libswscale      4.  1.100 /  4.  1.100
     libswresample   2.  0.101 /  2.  0.101
     libpostproc    54.  0.100 / 54.  0.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:/Users/ADMINI~1/AppData/Local/Temp/2/0400028520160811144100001i100.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf57.34.103
     Duration: 00:00:12.78, start: 0.000000, bitrate: 4074 kb/s
       Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 4006 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 64 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    [AVFilterGraph @ 00381600] No such filter: '"volume'
    Error opening filters!

    0400028520160811144100001i100.mp4
    { Error: Command failed: ffmpeg -y -i C:/Users/ADMINI~1/AppData/Local/Temp/2/0400028520160811144100001i100.mp4 -af "volume=enable='between(t,1,3)':volume=0, volume=enable='between(t,10,12)':volume=0, volume=enable='between(t,4,6)':volume=0, volume=enable='between(t,7,9)':volume=0" -c:v copy -movflags +faststart ea1eae2063d211e6bbf2af16c2e9be57.mp4
    ffmpeg version N-79651-ge1c2048 Copyright (c) 2000-2016 the FFmpeg developers
     built with gcc 4.9.3 (GCC)
     configuration: --prefix=/usr/local/x86_64-w64-mingw32 --enable-gpl --enable-nonfree --enable-libx264 --enable-libfdk_aac --enable-static --enable-runtime-cpudetect --enable-w32threads --disable-shared --disable-ffplay --disable-ffserver --arch=x86_64 --extra-cflags=-I/local/x86_64-w64-mingw32/include --extra-ldflags='-L/local/x86_64-w64-mingw32/lib -static'
     libavutil      55. 22.101 / 55. 22.101
     libavcodec     57. 38.100 / 57. 38.100
     libavformat    57. 34.103 / 57. 34.103
     libavdevice    57.  0.101 / 57.  0.101
     libavfilter     6. 44.100 /  6. 44.100
     libswscale      4.  1.100 /  4.  1.100
     libswresample   2.  0.101 /  2.  0.101
     libpostproc    54.  0.100 / 54.  0.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:/Users/ADMINI~1/AppData/Local/Temp/2/0400028520160811144100001i100.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf57.34.103
     Duration: 00:00:12.78, start: 0.000000, bitrate: 4074 kb/s
       Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 4006 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 64 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    [AVFilterGraph @ 00381600] No such filter: '"volume'
    Error opening filters!

       at ChildProcess.exithandler (child_process.js:202:12)
       at emitTwo (events.js:106:13)
       at ChildProcess.emit (events.js:191:7)
       at maybeClose (internal/child_process.js:850:16)
       at Process.ChildProcess._handle.onexit (internal/child_process.js:215:5)
     killed: false,
     code: 1,
     signal: null,
     cmd: 'ffmpeg -y -i C:/Users/ADMINI~1/AppData/Local/Temp/2/0400028520160811144100001i100.mp4 -af "volume=enable=\'between(t,1,3)\':volume=0, volume=enable=\'between(t,10,12)\':volume=0, volume=enable=\'between(t,4,6)\':volume=0, volume=enable=\'between(t,7,9)\':volume=0" -c:v copy -movflags +faststart ea1eae2063d211e6bbf2af16c2e9be57.mp4' }

    Best I can think is it has something to do with the \’ in volStr but I don’t know how to create it any other way.


    after @Mulvya comment I changed my for loop to

    var volStr = '';
    for (var i = 0; i < arrPairs.length; i++) {
       volStr += "volume=enable='between(t," + arrPairs[i].start + "," + arrPairs[i].end + ")':volume=0";
       if (i !== arrPairs.length - 1) {
           volStr += ",";
       }
    }

    getting rid of the space between each grouping and it worked beautifully.

  • Merge commit ’17e7c03e12d1e4490921e7bffaeaa6b46a7ada4e’

    29 juillet 2016, par Clément Bœsch
    Merge commit ’17e7c03e12d1e4490921e7bffaeaa6b46a7ada4e’
    

    * commit ’17e7c03e12d1e4490921e7bffaeaa6b46a7ada4e’ :
    h264 : only allow ending a field/starting a new one before finish_setup()

    This commit is a noop. According to Michael, after 8385e171 this commit
    should not be necessary anymore.

    Merged-by : Clément Bœsch <u@pkh.me>