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Autres articles (45)

  • List of compatible distributions

    26 avril 2011, par

    The table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
    If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...)

  • Automated installation script of MediaSPIP

    25 avril 2011, par

    To overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
    You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
    The documentation of the use of this installation script is available here.
    The code of this (...)

  • Sélection de projets utilisant MediaSPIP

    29 avril 2011, par

    Les exemples cités ci-dessous sont des éléments représentatifs d’usages spécifiques de MediaSPIP pour certains projets.
    Vous pensez avoir un site "remarquable" réalisé avec MediaSPIP ? Faites le nous savoir ici.
    Ferme MediaSPIP @ Infini
    L’Association Infini développe des activités d’accueil, de point d’accès internet, de formation, de conduite de projets innovants dans le domaine des Technologies de l’Information et de la Communication, et l’hébergement de sites. Elle joue en la matière un rôle unique (...)

Sur d’autres sites (9272)

  • How to add arbitrary or custom metadata in MP4 ?

    13 avril 2021, par 大大大大萝卜凉

    The MP4 muxer in ffmpeg only allows certain metadata by default. I would like to add :

    


    com.android.model: Mi 10 Pro
xyz: +22.9835+113.3621/
com.android.version: 1
com.android.manufacturer: Xiaomi


    


    How can I add this with ffmpeg ?

    


  • What are the correct conversion steps to generate a video from PDF with ffmpeg and mp4box

    25 juin 2020, par Michael Rall

    I need to convert a PDF-Document to a DASH-compatible stream. Every page of the PDF should be displayed for one second. Quality should be rather good, so that text and line graphics can still be read clearly. Additionally I want to be able to seek every page, so keyframes(?) should be (exactly) every second.

    


    Im using poppler-tools to extract the pdf-pages as png's -> works

    


    Im using ffmpeg to convert the single images to an x264 encoded mp4 video -> works (but maybe problematic)

    


    string.Format("-r 1 -i \"{0}.page_%d.png\" -r 24 -vcodec libx264 -pix_fmt yuv420p {0}.output.mp4", basePath)


    


    Im using MP4Box to convert that video to dash -> works (but needs improvement)

    


    string.Format("-dash 1000 -frag 1000 -rap -segment-name {1}_dash_$RepresentationID$_$Number$ -url-template {0}.output.mp4 -out \"{0}.{2}\"", basePath, tempDataId, STREAM_MANIFEST_FILE_POSTFIX)


    


    Now I have 2 Problems/Questions

    


      

    1. Are the settings for framerate, quality, outputformat correct for the goals I want to achieve

      2. 


    2. When displaying the resulting DASH-Stream in the Demo-Player from https://github.com/Dash-Industry-Forum/dash.js/wiki it plays the stream, but as soon as I try to seek the player starts loading forever. Setting the position to start and let it play again works. The network tab in my browser-debugger shows that the player tries to load the segments and gets them successfully.

      3. 


    


    I guess its a problem with keyframes, fragments or similar. Can somebody correct my conversion steps ?

    


    kind regards

    


  • Unknown Encoder error when using libx264 with FFMPEG

    9 juillet 2018, par newuser

    I have followed the guide given here. And everything goes smoothly. But when I try to run a command with FFMPEG to convert to H.264. I get the error : Unknown Encoder ’libx264’
    I’m on Ubuntu 16.04 LTS.

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