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Autres articles (42)

  • 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

  • Mediabox : ouvrir les images dans l’espace maximal pour l’utilisateur

    8 février 2011, par

    La visualisation des images est restreinte par la largeur accordée par le design du site (dépendant du thème utilisé). Elles sont donc visibles sous un format réduit. Afin de profiter de l’ensemble de la place disponible sur l’écran de l’utilisateur, il est possible d’ajouter une fonctionnalité d’affichage de l’image dans une boite multimedia apparaissant au dessus du reste du contenu.
    Pour ce faire il est nécessaire d’installer le plugin "Mediabox".
    Configuration de la boite multimédia
    Dès (...)

Sur d’autres sites (7243)

  • Encode MP3 as image for client side caching

    12 octobre 2015, par cbuchert

    A few years back I ran across an article in which a process was described that would encode the contents of a MP3 file as a PNG image using FFMpeg (to circumvent browsers not caching downloaded audio) and then decoding them back to MP3 using a mix of Canvas, JS, and wizardry. I can’t find my original source, and all the links I’ve found while searching have been dead. Is this process documented anywhere public and if not how would you do it ?

  • FFMPEG - speed up/slow down video, add jitter etc

    27 septembre 2019, par Darrell

    I’m trying to put together a Windows script that will process short videos in a folder.
    The videos will be shot at a high frame rate 60+ fps and be about 4-5 secs long.

    Basically I am looking to make various style clips, using fast/slow effects, back and forth etc.
    So, the script might process a video, make it start normal speed, then slow motion. Next video might be normal speed, slomo, normal speed slomo. Next video might be forwards,back, forwards back, slomo.

    See example : (this is a compliation, I’m looking at processing individual videos in a folder.)

    http://www.youtube.com/watch?v=K03IBQZu8SQ

    I’m guessing there is no way to do this, other than splitting a clip using FFMPEG, processing the bits, then merging back together ? I can’t seem to find a way to do it as one clip.

  • How to overlay two audio with ffmpeg ?

    20 février 2019, par Mai Lê Nhật Huy

    Im trying mix two audio with these codes :

    for %a in ("audio\*.mp3") do ffmpeg -y -i "%a" -i "background\back.mp3" -filter_complex "[0:0]volume=1[a];[1:0]volume=0.1[b];[a][b]amix=inputs=2:duration=first" "source\%~na.mp3"

    my "back.mp3" is short and i need it repeats until the first mp3 file ends.

    How can i do that ?

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