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Autres articles (30)

  • 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 (...)

  • Les images

    15 mai 2013

  • Taille des images et des logos définissables

    9 février 2011, par

    Dans beaucoup d’endroits du site, logos et images sont redimensionnées pour correspondre aux emplacements définis par les thèmes. L’ensemble des ces tailles pouvant changer d’un thème à un autre peuvent être définies directement dans le thème et éviter ainsi à l’utilisateur de devoir les configurer manuellement après avoir changé l’apparence de son site.
    Ces tailles d’images sont également disponibles dans la configuration spécifique de MediaSPIP Core. La taille maximale du logo du site en pixels, on permet (...)

Sur d’autres sites (6407)

  • How do I render a video from a list of time-stamped images ?

    31 mai 2022, par piedar

    I have a directory full of images following the pattern <timestamp>.png</timestamp>, where <timestamp></timestamp> represents milliseconds elapsed since the first image. input.txt contains a list of the interesting images :

    &#xA;&#xA;

    file &#x27;0.png&#x27;&#xA;file &#x27;97.png&#x27;&#xA;file &#x27;178.png&#x27;&#xA;file &#x27;242.png&#x27;&#xA;file &#x27;296.png&#x27;&#xA;file &#x27;363.png&#x27;&#xA;...&#xA;

    &#xA;&#xA;

    I am using ffmpeg to concatenate these images into a video :

    &#xA;&#xA;

    ffmpeg -r 15 -f concat -i input.txt output.webm&#xA;

    &#xA;&#xA;

    How do I tell ffmpeg to place each frame at its actual position in time instead of using a constant framerate ?

    &#xA;

  • How do I render a video from a list of time-stamped images ?

    24 octobre 2016, par piedar

    I have a directory full of images following the pattern <timestamp>.png</timestamp>, where <timestamp></timestamp> represents milliseconds elapsed since the first image. input.txt contains a list of the interesting images :

    file '0.png'
    
file '97.png'
    
file '178.png'
    
file '242.png'
    
file '296.png'
    
file '363.png'
    
...

    I am using ffmpeg to concatenate these images into a video :

    ffmpeg -r 15 -f concat -i input.txt output.webm

    How do I tell ffmpeg to place each frame at its actual position in time instead of using a constant framerate ?

  • Best streaming way for images generated on the fly

    28 novembre 2018, par Vincent Bavaro

    Good morning,
    I have a server that sends me an increasing sequence of images and I need to stream them as a VOD to anyone that, after it inputs username and password in a simple HTML5 site, accesses them. I found ffmpeg to be the best solution so I’m studying it a lot these days. I wanted to know from experts in ffmpeg and streaming, what should be my main route to follow for my purposes.

    My personal thought and what I’m working on is to have ffmpeg encode the images on the fly to a video through a pipe, and then with another command have it transformed into segmented MPeg-4 and playlist for HLS stream, I think I will use an apache webserver for that as well. Is this the best course to follow ? Anyone has better/more efficient (like a single command)/more easy solutions to develop ?

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