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Autres articles (73)

  • 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 (...)

  • Amélioration de la version de base

    13 septembre 2013

    Jolie sélection multiple
    Le plugin Chosen permet d’améliorer l’ergonomie des champs de sélection multiple. Voir les deux images suivantes pour comparer.
    Il suffit pour cela d’activer le plugin Chosen (Configuration générale du site > Gestion des plugins), puis de configurer le plugin (Les squelettes > Chosen) en activant l’utilisation de Chosen dans le site public et en spécifiant les éléments de formulaires à améliorer, par exemple select[multiple] pour les listes à sélection multiple (...)

  • Emballe médias : à quoi cela sert ?

    4 février 2011, par

    Ce plugin vise à gérer des sites de mise en ligne de documents de tous types.
    Il crée des "médias", à savoir : un "média" est un article au sens SPIP créé automatiquement lors du téléversement d’un document qu’il soit audio, vidéo, image ou textuel ; un seul document ne peut être lié à un article dit "média" ;

Sur d’autres sites (4977)

  • How to extend first/last frame when encode images to video with FFMPEG ? [duplicate]

    8 janvier 2021, par Seungmin choi

    I want to make video with several images in specific directory in flutter app, using ffmpeg.
    
I completed to make video with images but, the first and last frame goes so fast that i can't even see if that image.

    


    Is there any way to extend first / last frame when i encoding images to video ?
    
I was making video with ffmpeg command below.

    


    -y -f lavfi -i color=white:s=1440x1440 -framerate 2/1 -i path%5d.png -filter_complex "
            "[0:v][1:v]overlay=shortest=1,format=yuv420p[out]"
            " -map "
            "[out]"
            " path/sample.mp4


    


  • Normalization of a sequence of images via ImageMagick or other means ?

    5 juin 2012, par ylluminate

    I have a series of images that change relatively little during the day, but suffer from severe over and underexposure sometimes. There's nothing I can do in the way of fixing the loss of details, however I want to make it so that one from to the next is not so jolting. In other words, I'd like to normalize brightness / color levels the sequence of images so that it feels more consistent from one from to the next. Ultimately this sequence is being encoded to a video and therefore why this is important to me.

    How can I normalize these values for a series of a few hundred frames via ImageMagick or some other means ?

  • Combine unordered images to video (+MP3 audio)

    8 mars 2012, par TheSHEEEP

    So I did a few jobs with ffmpeg and also created my own dll, using ffmpeg API directly, but for my next project, I need to be able to combine multiple images together to a video with ffmpeg, also adding a mp3 sound clip.
    I know that you can do that for ordered images like this :

    image001.jpg image002.jpg image003.jpg etc...
    

    

    
ffmpeg -f image2 -i img%03d.jpg -i sound.mp3 output.mpg

    But in our project, we do not have the images ordered like that. Instead, which images to use for the video in which order is determined at runtime (one image for each frame of a video at 30fps).
    So a video with 10 frames, for example, could have to consist of the following order of images :

    image001.jpg image002.jpg image111.jpg image012.jpg imageFun.jpg image001.jpg image002.jpg imageFun.jpg image055.jpg imageEnd.jpg

    How would I do that using ffmpeg ? This part of the documentation doesn't exactly help me here.

    I really don't want to resort to using the ffmpeg API directly from C/C++, but fear that I have to if that is not possible "natively".

    .

    Addition :

    If that is not possible with ffmpeg, but with some other software (that runs on Linux and can be controlled from command line) - I'm all ears ! ;)

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