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  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

  • 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 (...)

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  • avfilter/showvolume : calculate fade only if fade 1.

    30 mars 2018, par Martin Vignali
    avfilter/showvolume : calculate fade only if fade < 1.
    • [DH] libavfilter/avf_showvolume.c

  • RV3/4 : calculate B-frame motion weights once per frame

    10 août 2011, par Kostya Shishkov

    RV3/4 : calculate B-frame motion weights once per frame

  • How to use custom function to calculate 'x' in ffmpeg crop

    17 septembre 2016, par Sasha Kastsiushkin

    ffmpeg docs have this example :

    crop=in_w/2:in_h/2:(in_w-out_w)/2+((in_w-out_w)/2)*sin(n/10):(in_h-out_h)/2 +((in_h-out_h)/2)*sin(n/7)

    To make it simpler, I will use named params and only affect output width and position x
    crop=w=in_w/3:x=(in_w-out_w)/2+((in_w-out_w)/2)*sin(n/10)

    The result will be the video that is 3 times shorter than original and it will ’float’ along the x axis thanks to that sin(n/10) function. x is evaluated for each frame and n(number of the input frame) will increase and change the x position dynamically.

    I’m trying to create a custom function, which will take n or t and based on it return some value of x.

    Please help me or perhaps this is not possible. I was trying to create a small bash script, which will do so unsuccessfully.

    Thank you

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