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Autres articles (29)

  • MediaSPIP version 0.1 Beta

    16 avril 2011, par

    MediaSPIP 0.1 beta est la première version de MediaSPIP décrétée comme "utilisable".
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Pour avoir une installation fonctionnelle, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

  • Organiser par catégorie

    17 mai 2013, par

    Dans MédiaSPIP, une rubrique a 2 noms : catégorie et rubrique.
    Les différents documents stockés dans MédiaSPIP peuvent être rangés dans différentes catégories. On peut créer une catégorie en cliquant sur "publier une catégorie" dans le menu publier en haut à droite ( après authentification ). Une catégorie peut être rangée dans une autre catégorie aussi ce qui fait qu’on peut construire une arborescence de catégories.
    Lors de la publication prochaine d’un document, la nouvelle catégorie créée sera proposée (...)

  • Supporting all media types

    13 avril 2011, par

    Unlike most software and media-sharing platforms, MediaSPIP aims to manage as many different media types as possible. The following are just a few examples from an ever-expanding list of supported formats : images : png, gif, jpg, bmp and more audio : MP3, Ogg, Wav and more video : AVI, MP4, OGV, mpg, mov, wmv and more text, code and other data : OpenOffice, Microsoft Office (Word, PowerPoint, Excel), web (html, CSS), LaTeX, Google Earth and (...)

Sur d’autres sites (5611)

  • HTTP Header for Duration of a MP4 for HTML 5 video

    9 mars 2014, par Mustafa

    I am trying to stream MP4 video as it is encoded from a webserver. I believe I used the appropriate flags, but it is not working correctly. When I download the video from my stream and open it with VLC, it properly shows the duration. Since a socket is not seekable, I assume it writes the metadata to end ? My Chrome browser always shows 8 seconds duration. The first 8 seconds plays at the normal speed, but afterwards the pause button turns into play button and the video plays very fast, probably as fast as it is recieved. However the audio is played at normal speed. I tried document.getElementById('myVid').duration = 20000 but it is a readonly field.

    I wonder, is there anyway to explicitly state the duration in HTTP headers or in any other way ? I cannot find any documentation about it.

    ffmpeg -i - -vcodec libx264 -acodec libvo_aacenc -ar 44100 -ac 2 -ab 128000 -f mp4 -movflags frag_keyframe+faststart pipe:1 -fflags +genpts -re -profile baseline -level 30 -preset fast

    To close-voters, that thinks it is not programming related, I use it in my own server I coded, and I need to set the duration programatically via JavaScript or setting the HTTP header. I believe it may be related to both ffmpeg or http headers, that's why I posted it here.

    app.get("/video/*", function(req,res){
    
    res.writeHead(200, {
    
        'Content-Type': 'video/mp4',
    
    });
    
    var dir = req.url.split("/").splice(2).join("/");
    
    var buf = new Buffer(dir, 'base64');
    
    var src = buf.toString();
    

    
    var Transcoder = require('stream-transcoder');
    
    var stream = fs.createReadStream(src);
    
    // I added my own flags to this module, they are at below:
    
    new Transcoder(stream)
    
        .videoCodec('libx264')
    
        .audioCodec("libvo_aacenc")
    
        .sampleRate(44100)
    
        .channels(2)
    
        .audioBitrate(128 * 1000)
    
        .format('mp4')
    
        .on('finish', function() {
    
            console.log("finished");
    
        })
    
        .stream().pipe(res);
    
});

    exec function in that stream-transcoder module,

        a.push("-fflags");
    
    a.push("+genpts");
    
    a.push("-re");
    
    a.push("-profile");
    
    a.push("baseline");
    
    a.push("-level");
    
    a.push("30");
    
    a.push("-preset");
    
    a.push("fast");
    
    a.push("-strict");
    
    a.push("experimental");
    
    a.push("-frag_duration");
    
    a.push("" + 2 * (1000 * 1000));
    
    var child = spawn('ffmpeg', a, {
    
        cwd: os.tmpdir()
    
    });

  • How can I use FFMPEG to fix a mpeg.ts file

    29 septembre 2017, par Tim McClure

    I have an mpegts file that has some minor quality issues. Can I use ffmpeg to create an mp4 file from it and the mp4 file plays fine - meaning the transmuxing to mp4 corrected the problem. I am trying to use ffmpeg to re-encode the mpegts file to another mpegts file and through the transmuxing have the video file fixed. The script I am using :

    ffmpeg -re -i 20170925T214300_S051-0001.ts -pix_fmt yuv420p -vcodec libx264 -r 25 -vf "scale=1024:576" -threads 0 -b:v: 2048k -bufsize 2244k -maxrate 2560k -profile:v baseline -g 50 -x264opts no-scenecut -x264opts force-cfr -an -f mpegts mcclure.ts

    Is what I am trying to do possible ?

  • Rematrix is needed between 10 channels and mono but there is not enough information to do it

    8 octobre 2017, par siriele

    I’ve been fighting for a number of days now trying to get FFmpeg working with combining several audio files at specific times into one file. So my idea was to generate silence up to the time i want to play a sound.Then merge the audio together with a filter. The below code works when I have five or less files, but seems to fall apart. What I’m trying

    ffmpeg \
    
    -i "tutorial_bass/C-maj/TutorialBassJR.wav" \
    
    -i "tutorial_drums/TutorialDrumsJR.wav" \
    
    -i "tutorial_drums/TutorialDrumsTU.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTU.wav" \
    
    -i "tutorial_drums/TutorialDrumsTU.wav" \
    
    -i "tutorial_drums/TutorialDrumsTD.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTD.wav" \
    
    -i "tutorial_drums/TutorialDrumsTD.wav" \
    
    -i "tutorial_drums/TutorialDrumsTR.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTR.wav" \
    
    -i "tutorial_drums/TutorialDrumsTR.wav" \
    
    -i "tutorial_drums/TutorialDrumsWL.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassWL.wav" \
    
    -i "tutorial_drums/TutorialDrumsWL.wav" \
    
    -i "tutorial_drums/TutorialDrumsWU.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassWU.wav" \
    
    -i "tutorial_drums/TutorialDrumsWU.wav" \
    
    -i "tutorial_drums/TutorialDrumsWD.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassWD.wav" \
    
    -i "tutorial_drums/TutorialDrumsWD.wav" \
    
    -i "tutorial_drums/TutorialDrumsJL.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassJL.wav" \
    
    -i "tutorial_drums/TutorialDrumsJL.wav" \
    
    -i "tutorial_drums/TutorialDrumsJR.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassJR.wav" \
    
    -i "tutorial_drums/TutorialDrumsJR.wav" \
    
    -i "tutorial_drums/TutorialDrumsJU.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassJU.wav" \
    
    -i "tutorial_drums/TutorialDrumsJU.wav" \
    
    -i "tutorial_drums/TutorialDrumsJD.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassJD.wav" \
    
    -i "tutorial_drums/TutorialDrumsJD.wav" \
    
    -i "tutorial_drums/TutorialDrumsTL.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTL.wav" \
    
    -i "tutorial_drums/TutorialDrumsTL.wav" \
    
    -i "tutorial_drums/TutorialDrumsTR.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTR.wav" \
    
    -i "tutorial_drums/TutorialDrumsTR.wav" \
    
    -i "tutorial_drums/TutorialDrumsTU.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTU.wav" \
    
    -i "tutorial_drums/TutorialDrumsTU.wav" \
    
    -i "tutorial_drums/TutorialDrumsTD.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTD.wav" \
    
    -i "tutorial_drums/TutorialDrumsTD.wav" \
    
    -filter_complex "\
    
    aevalsrc=0:d=3.0  [d0];\
    
    aevalsrc=0:d=3.0  [d1];\
    
    aevalsrc=0:d=4.5  [d2];\
    
    aevalsrc=0:d=4.5  [d3];\
    
    aevalsrc=0:d=4.5  [d4];\
    
    aevalsrc=0:d=6.0  [d5];\
    
    aevalsrc=0:d=6.0  [d6];\
    
    aevalsrc=0:d=6.0  [d7];\
    
    aevalsrc=0:d=7.5  [d8];\
    
    aevalsrc=0:d=7.5  [d9];\
    
    aevalsrc=0:d=7.5  [d10];\
    
    aevalsrc=0:d=9.0  [d11];\
    
    aevalsrc=0:d=9.0  [d12];\
    
    aevalsrc=0:d=9.0  [d13];\
    
    aevalsrc=0:d=10.5 [d14];\
    
    aevalsrc=0:d=10.5 [d15];\
    
    aevalsrc=0:d=10.5 [d16];\
    
    aevalsrc=0:d=12.0 [d17];\
    
    aevalsrc=0:d=12.0 [d18];\
    
    aevalsrc=0:d=12.0 [d19];\
    
    aevalsrc=0:d=13.5 [d20];\
    
    aevalsrc=0:d=13.5 [d21];\
    
    aevalsrc=0:d=13.5 [d22];\
    
    aevalsrc=0:d=15.0 [d23];\
    
    aevalsrc=0:d=15.0 [d24];\
    
    aevalsrc=0:d=15.0 [d25];\
    
    aevalsrc=0:d=16.5 [d26];\
    
    aevalsrc=0:d=16.5 [d27];\
    
    aevalsrc=0:d=16.5 [d28];\
    
    aevalsrc=0:d=18.0 [d29];\
    
    aevalsrc=0:d=18.0 [d30];\
    
    aevalsrc=0:d=18.0 [d31];\
    
    aevalsrc=0:d=19.5 [d32];\
    
    aevalsrc=0:d=19.5 [d33];\
    
    aevalsrc=0:d=19.5 [d34];\
    
    aevalsrc=0:d=21.0 [d35];\
    
    aevalsrc=0:d=21.0 [d36];\
    
    aevalsrc=0:d=21.0 [d37];\
    
    aevalsrc=0:d=22.5 [d38];\
    
    aevalsrc=0:d=22.5 [d39];\
    
    aevalsrc=0:d=22.5 [d40];\
    
    aevalsrc=0:d=24.0 [d41];\
    
    aevalsrc=0:d=24.0 [d42];\
    
    aevalsrc=0:d=24.0 [d43];\
    
    [d0][0:a]concat=n=2:v=0:a=1   [a0];\
    
    [d1][1:a]concat=n=2:v=0:a=1   [a1];\
    
    [d2][2:a]concat=n=2:v=0:a=1   [a2];\
    
    [d3][3:a]concat=n=2:v=0:a=1   [a3];\
    
    [d4][4:a]concat=n=2:v=0:a=1   [a4];\
    
    [d5][5:a]concat=n=2:v=0:a=1   [a5];\
    
    [d6][6:a]concat=n=2:v=0:a=1   [a6];\
    
    [d7][7:a]concat=n=2:v=0:a=1   [a7];\
    
    [d8][8:a]concat=n=2:v=0:a=1   [a8];\
    
    [d9][9:a]concat=n=2:v=0:a=1   [a9];\
    
    [d10][10:a]concat=n=2:v=0:a=1 [a10];\
    
    [d11][11:a]concat=n=2:v=0:a=1 [a11];\
    
    [d12][12:a]concat=n=2:v=0:a=1 [a12];\
    
    [d13][13:a]concat=n=2:v=0:a=1 [a13];\
    
    [d14][14:a]concat=n=2:v=0:a=1 [a14];\
    
    [d15][15:a]concat=n=2:v=0:a=1 [a15];\
    
    [d16][16:a]concat=n=2:v=0:a=1 [a16];\
    
    [d17][17:a]concat=n=2:v=0:a=1 [a17];\
    
    [d18][18:a]concat=n=2:v=0:a=1 [a18];\
    
    [d19][19:a]concat=n=2:v=0:a=1 [a19];\
    
    [d20][20:a]concat=n=2:v=0:a=1 [a20];\
    
    [d21][21:a]concat=n=2:v=0:a=1 [a21];\
    
    [d22][22:a]concat=n=2:v=0:a=1 [a22];\
    
    [d23][23:a]concat=n=2:v=0:a=1 [a23];\
    
    [d24][24:a]concat=n=2:v=0:a=1 [a24];\
    
    [d25][25:a]concat=n=2:v=0:a=1 [a25];\
    
    [d26][26:a]concat=n=2:v=0:a=1 [a26];\
    
    [d27][27:a]concat=n=2:v=0:a=1 [a27];\
    
    [d28][28:a]concat=n=2:v=0:a=1 [a28];\
    
    [d29][29:a]concat=n=2:v=0:a=1 [a29];\
    
    [d30][30:a]concat=n=2:v=0:a=1 [a30];\
    
    [d31][31:a]concat=n=2:v=0:a=1 [a31];\
    
    [d32][32:a]concat=n=2:v=0:a=1 [a32];\
    
    [d33][33:a]concat=n=2:v=0:a=1 [a33];\
    
    [d34][34:a]concat=n=2:v=0:a=1 [a34];\
    
    [d35][35:a]concat=n=2:v=0:a=1 [a35];\
    
    [d36][36:a]concat=n=2:v=0:a=1 [a36];\
    
    [d37][37:a]concat=n=2:v=0:a=1 [a37];\
    
    [d38][38:a]concat=n=2:v=0:a=1 [a38];\
    
    [d39][39:a]concat=n=2:v=0:a=1 [a39];\
    
    [d40][40:a]concat=n=2:v=0:a=1 [a40];\
    
    [d41][41:a]concat=n=2:v=0:a=1 [a41];\
    
    [d42][42:a]concat=n=2:v=0:a=1 [a42];\
    
    [d43][43:a]concat=n=2:v=0:a=1 [a43];\
    
    [a0][a1][a2][a3][a4][a5][a6][a7][a8][a9][a10][a11][a12][a13][a14][a15][a16][a17][a18][a19]amix=inputs=20:duration=longest [a0-a19];\
    
    [a20][a21][a22][a23][a24][a25][a26][a27][a28][a29][a30][a31][a32][a33][a34][a35][a36][a37][a38][a39]amix=inputs=20:duration=longest [a20-a39];\
    
    [a40][a41][a42][a43]amix=inputs=4:duration=longest [a40-a43];
    
    [a0-a19][a20-a39][a40-a43]amix=inputs=3:duration=longest"  -codec:a libmp3lame output.mp3

    When I run this command I get :

    ffmpeg version 3.3.4 Copyright (c) 2000-2017 the FFmpeg developers
    
  built with Apple LLVM version 8.1.0 (clang-802.0.42)
    
  configuration: --prefix=/usr/local/Cellar/ffmpeg/3.3.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-frei0r --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags=-I/usr/local/Cellar/openjpeg/2.2.0/include/openjpeg-2.2 --enable-nonfree --enable-vda
    
  libavutil      55. 58.100 / 55. 58.100
    
  libavcodec     57. 89.100 / 57. 89.100
    
  libavformat    57. 71.100 / 57. 71.100
    
  libavdevice    57.  6.100 / 57.  6.100
    
  libavfilter     6. 82.100 /  6. 82.100
    
  libavresample   3.  5.  0 /  3.  5.  0
    
  libswscale      4.  6.100 /  4.  6.100
    
  libswresample   2.  7.100 /  2.  7.100
    
  libpostproc    54.  5.100 / 54.  5.100
    
Guessed Channel Layout for Input Stream #0.0 : stereo
    
Input #0, wav, from 'tutorial_bass/C-maj/TutorialBassJR.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #0:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #1.0 : stereo
    
Input #1, wav, from 'tutorial_drums/TutorialDrumsJR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #1:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #2.0 : stereo
    
Input #2, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #2:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #3.0 : stereo
    
Input #3, wav, from 'tutorial_bass/C-maj/TutorialBassTU.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #3:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #4.0 : stereo
    
Input #4, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #4:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Input #5, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
    
  Duration: 00:00:04.50, bitrate: 14112 kb/s
    
    Stream #5:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    
Guessed Channel Layout for Input Stream #6.0 : stereo
    
Input #6, wav, from 'tutorial_bass/C-maj/TutorialBassTD.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #6:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Input #7, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
    
  Duration: 00:00:04.50, bitrate: 14112 kb/s
    
    Stream #7:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    
Guessed Channel Layout for Input Stream #8.0 : stereo
    
Input #8, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #8:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #9.0 : stereo
    
Input #9, wav, from 'tutorial_bass/C-maj/TutorialBassTR.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #9:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #10.0 : stereo
    
Input #10, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #10:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #11.0 : stereo
    
Input #11, wav, from 'tutorial_drums/TutorialDrumsWL.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #11:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #12.0 : stereo
    
Input #12, wav, from 'tutorial_bass/C-maj/TutorialBassWL.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #12:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #13.0 : stereo
    
Input #13, wav, from 'tutorial_drums/TutorialDrumsWL.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #13:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #14.0 : stereo
    
Input #14, wav, from 'tutorial_drums/TutorialDrumsWU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #14:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #15.0 : stereo
    
Input #15, wav, from 'tutorial_bass/C-maj/TutorialBassWU.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #15:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #16.0 : stereo
    
Input #16, wav, from 'tutorial_drums/TutorialDrumsWU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #16:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #17.0 : stereo
    
Input #17, wav, from 'tutorial_drums/TutorialDrumsWD.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #17:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #18.0 : stereo
    
Input #18, wav, from 'tutorial_bass/C-maj/TutorialBassWD.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #18:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #19.0 : stereo
    
Input #19, wav, from 'tutorial_drums/TutorialDrumsWD.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #19:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #20.0 : stereo
    
Input #20, wav, from 'tutorial_drums/TutorialDrumsJL.wav':
    
  Duration: 00:00:00.75, bitrate: 33869 kb/s
    
    Stream #20:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #21.0 : stereo
    
Input #21, wav, from 'tutorial_bass/C-maj/TutorialBassJL.wav':
    
  Duration: 00:00:01.51, bitrate: 2822 kb/s
    
    Stream #21:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #22.0 : stereo
    
Input #22, wav, from 'tutorial_drums/TutorialDrumsJL.wav':
    
  Duration: 00:00:00.75, bitrate: 33869 kb/s
    
    Stream #22:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #23.0 : stereo
    
Input #23, wav, from 'tutorial_drums/TutorialDrumsJR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #23:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #24.0 : stereo
    
Input #24, wav, from 'tutorial_bass/C-maj/TutorialBassJR.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #24:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #25.0 : stereo
    
Input #25, wav, from 'tutorial_drums/TutorialDrumsJR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #25:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #26.0 : stereo
    
Input #26, wav, from 'tutorial_drums/TutorialDrumsJU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #26:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #27.0 : stereo
    
Input #27, wav, from 'tutorial_bass/C-maj/TutorialBassJU.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #27:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #28.0 : stereo
    
Input #28, wav, from 'tutorial_drums/TutorialDrumsJU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #28:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #29.0 : stereo
    
Input #29, wav, from 'tutorial_drums/TutorialDrumsJD.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #29:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #30.0 : stereo
    
Input #30, wav, from 'tutorial_bass/C-maj/TutorialBassJD.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #30:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #31.0 : stereo
    
Input #31, wav, from 'tutorial_drums/TutorialDrumsJD.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #31:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #32.0 : stereo
    
Input #32, wav, from 'tutorial_drums/TutorialDrumsTL.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #32:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #33.0 : stereo
    
Input #33, wav, from 'tutorial_bass/C-maj/TutorialBassTL.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #33:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #34.0 : stereo
    
Input #34, wav, from 'tutorial_drums/TutorialDrumsTL.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #34:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #35.0 : stereo
    
Input #35, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #35:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #36.0 : stereo
    
Input #36, wav, from 'tutorial_bass/C-maj/TutorialBassTR.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #36:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #37.0 : stereo
    
Input #37, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #37:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #38.0 : stereo
    
Input #38, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #38:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #39.0 : stereo
    
Input #39, wav, from 'tutorial_bass/C-maj/TutorialBassTU.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #39:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #40.0 : stereo
    
Input #40, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #40:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Input #41, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
    
  Duration: 00:00:04.50, bitrate: 14112 kb/s
    
    Stream #41:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    
Guessed Channel Layout for Input Stream #42.0 : stereo
    
Input #42, wav, from 'tutorial_bass/C-maj/TutorialBassTD.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #42:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Input #43, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
    
  Duration: 00:00:04.50, bitrate: 14112 kb/s
    
    Stream #43:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    
File 'output.mp3' already exists. Overwrite ? [y/N] y
    
Stream mapping:
    
  Stream #0:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #1:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #2:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #3:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #4:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #5:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #6:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #7:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #8:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #9:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #10:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #11:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #12:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #13:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #14:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #15:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #16:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #17:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #18:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #19:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #20:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #21:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #22:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #23:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #24:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #25:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #26:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #27:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #28:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #29:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #30:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #31:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #32:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #33:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #34:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #35:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #36:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #37:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #38:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #39:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #40:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #41:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #42:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #43:0 (pcm_f32le) -> concat:in1:a0
    
  amix -> Stream #0:0 (libmp3lame)
    
Press [q] to stop, [?] for help
    
[auto_resampler_5 @ 0x7fdc19641e00] [SWR @ 0x7fdc1c286e00] Rematrix is needed between 10 channels and mono but there is not enough information to do it
    
[auto_resampler_5 @ 0x7fdc19641e00] Failed to configure output pad on auto_resampler_5
    
Error reinitializing filters!
    
Failed to inject frame into filter network: Invalid argument
    
Error while processing the decoded data for stream #43:0
    
Conversion failed!

    Any ideas what I’m doing wrong or other approaches I could take to do this ?

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