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Autres articles (105)

  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

  • Ajouter notes et légendes aux images

    7 février 2011, par

    Pour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
    Une fois le plugin activé, vous pouvez le configurer dans l’espace de configuration afin de modifier les droits de création / modification et de suppression des notes. Par défaut seuls les administrateurs du site peuvent ajouter des notes aux images.
    Modification lors de l’ajout d’un média
    Lors de l’ajout d’un média de type "image" un nouveau bouton apparait au dessus de la prévisualisation (...)

  • Ecrire une actualité

    21 juin 2013, par

    Présentez les changements dans votre MédiaSPIP ou les actualités de vos projets sur votre MédiaSPIP grâce à la rubrique actualités.
    Dans le thème par défaut spipeo de MédiaSPIP, les actualités sont affichées en bas de la page principale sous les éditoriaux.
    Vous pouvez personnaliser le formulaire de création d’une actualité.
    Formulaire de création d’une actualité Dans le cas d’un document de type actualité, les champs proposés par défaut sont : Date de publication ( personnaliser la date de publication ) (...)

Sur d’autres sites (10012)

  • Video Size different for different frame rate after encoding [duplicate]

    24 décembre 2018, par random_28

    This question already has an answer here :

    I have a series of 600 frames in a dir. I am trying to encode them into a video using ffmpeg. Following is the command which I am using :

    ffmpeg -r INPUT_FPS -i out%03d.jpg -c:v libx264 -vf "fps=OUTPUT_FPS,format=yuv420p" out.mpeg

    I am unable to understand why changing the INPUT_FPS and OUTPUT_FPS affects the encoded file size.

    For e.g. :
    with INPUT_FPS=30, and OUTPUT_FPS=30 :
    the output file is 20 secs long and 20.7 Mb in size.

    with INPUT_FPS=60, and OUTPUT_FPS=60 :
    the output file is 10 secs long but size gets reduced to 16.7 Mb.

    Given both of the videos has 600 same frames, why this discrepancy in size of the encoded file ?

  • Range selector for Video trimming

    28 février 2019, par VoidMain

    I am working on a project in which I have to trim a video. But first the user needs to select the video for trimming I have done a little digging around and have failed to find a suitable library. I need to implement just the UI that would let the user select the starting and ending point of the trim.

    (I need just the UI the data will be taken from that UI will be used in trimming the video using FFmpeg-android which is working properly)

    A library similar to this iOS layout would do the trick.

    https://drive.google.com/file/d/15FqIX_Sh1TqBrr2cZdkOka0pCMZ0BcNq/view

    Please, do let me know if you have any ideas ? or a better solution for it.

    Any help would be appreciated.
    Thanks

  • How do I batch cut videos ? [closed]

    12 février 2024, par EngineerJack

    I've searched for a while on Google, but haven't found a good solution.

    


    I have multiple videos that I want to cut parts from, so I would like to figure out how to batch cut them so I can figure out each video, then cut them all at once.

    


    I assume I'll use the terminal or powershell, and use commands, write down the info for each video in a file (like a script) then call on that file so they process one after another from that script.

    


    I know that I can do this one-by-one with the code below, but I would like to know how to use the following code for multiple videos as I described above.

    


    ffmpeg -i "video.mp4" -ss 00:00:00 -to 00:00:00 -async 1 -strict -2 "cut.mp4"

    


    BUT, a program (preferrably freeware) that isn't a video editor, but one that I can put the "start" and "end" times, then add multiple videos, WOULD be preferred.

    


    Anyone who can help me with this, I'd appreciate it.

    


    I've tried searching for ways to do this using .bat and .ps1 files on Google, but without finding a good solution.

    


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