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Autres articles (32)

  • 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 (...)

  • Support audio et vidéo HTML5

    10 avril 2011

    MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
    Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
    Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
    Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
    The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
    For older browsers the Flowplayer flash fallback is used.
    MediaSPIP allows for media playback on major mobile platforms with the above (...)

Sur d’autres sites (6849)

  • ffmpeg sometimes generates twice a size of my original video, why ? [closed]

    9 novembre 2023, par John Smith

    Im using ffmpeg like this :

    


    ffmpeg -i sourceFile.mp4 -vcodec libx265 -crf 23 -acodec aac -max_muxing_queue_size 40000 destfile.mp4


    


    most of the time, it generates smaller files. Usually half of it, but occasionally I get 200 MB from a 1000 MB video.
Sadly some cases its the over way around. I had an .webm video, and the result was 3x the size ! But sometimes also an .mp4 source produces this. Why ?

    


  • How can I generate a video file directly from an FFmpeg filter with no actual input file ?

    26 août 2016, par blahdiblah

    FFmpeg has a number of video generating filters, listed in the documentation as "video sources" :

    • cellauto
    • color
    • mptestsrc
    • fei0r_src
    • life
    • nullsrc, rgbtestsrc, testsrc

    Those are great for using with other filters like overlay, but is there any way that I can generate a movie consisting of just one of those video sources without any input video ?

    Something like :

    ffmpeg -vf color=red" red_movie.mp4

    Except that that errors out with At least one input file must be specified.

  • configure : Use pkg-config for fdk-aac

    10 mai 2015, par Luca Barbato
    configure : Use pkg-config for fdk-aac

    Makes the life of the people already setting PKG_CONFIG_PATH simpler.
    • [DBH] configure

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