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Autres articles (72)

  • Keeping control of your media in your hands

    13 avril 2011, par

    The vocabulary used on this site and around MediaSPIP in general, aims to avoid reference to Web 2.0 and the companies that profit from media-sharing.
    While using MediaSPIP, you are invited to avoid using words like "Brand", "Cloud" and "Market".
    MediaSPIP is designed to facilitate the sharing of creative media online, while allowing authors to retain complete control of their work.
    MediaSPIP aims to be accessible to as many people as possible and development is based on expanding the (...)

  • Personnaliser en ajoutant son logo, sa bannière ou son image de fond

    5 septembre 2013, par

    Certains thèmes prennent en compte trois éléments de personnalisation : l’ajout d’un logo ; l’ajout d’une bannière l’ajout d’une image de fond ;

  • MediaSPIP v0.2

    21 juin 2013, par

    MediaSPIP 0.2 est la première version de MediaSPIP stable.
    Sa date de sortie officielle est le 21 juin 2013 et est annoncée ici.
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Comme pour la version précédente, 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 (...)

Sur d’autres sites (9285)

  • How to extract frames from all videos in a folder using ffmpeg

    11 mai 2023, par Olivier

    I'm currently able to extract images from a file using the following line

    



    ffmpeg -i inputfile.avi -r 1 image-%d.jpeg


    



    However, I want to apply this to all the files in a folder, and place it in an output folder.

    



    Suppose I have the current folder holding all videos :

    



    input-videos/

    



    ----subfolder1/

    



    ------video.avi

    



    ----subfolder2/

    



    ------video.avi

    



    I want everything in the output folder :

    



    output/

    



    ----subfolder1/

    



    ------video/

    



    ----------*.jpeg

    



    ----subfolder2/

    



    ------video/

    



    ----------*.jpeg

    



    What is the simplest way to go about this using a bash script ? (or something else better)

    


  • Invalid option error using avcodec_open2 and libopus

    12 mai 2017, par Paul Gregoire

    I’m getting an invalid option result from avcodec_open2 in ffmpeg 3.1.6 with libopus 1.1.4. I’ve sorted through all the options and I cannot locate the offending option, I created a gist holding the relevant native code. I’ve searched all about the internet and cannot find anything helpful as of yet. I’ve also tried with and without the opts dictionary.

    results = avcodec_open2(context, codec, &opts); and results = avcodec_open2(context, codec, 0);

    All tests and variations return -22 (at line 51 in gist)

  • Trying to determine h.264 profile & level pragmatically

    23 juin 2012, par kryptobs2000

    Ideally the solution would be in python and cross platform, but that's probably not too likely, so all I require is it work in linux, and I can use a c extension to interface w/python if necessary. I see there is a python binding for ffmpeg which I was thinking about using, however I can't figure out how to determine the profile and level as it is, with fmmpeg or anything else, much less do it pragmatically. Google is not much help on the matter either.

    I've been able to determine what features I'd be looking for if I needed to determine the profile and levels manually then I can do that, but then that leads to the question, can ffmpeg then determine if the video was encoded with that feature set ? I guess what I'm wondering to that effect is, is it perhaps not possible to fully determine the level and specific profile after encoding ? I would think you'd have to know in order to decode it, but maybe not ; that would explain why I can't find any information on it. I've been toying with this on and off for awhile, but recently decided to consider a project I'd been thinking about, but this is one of this big things holding me back.

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