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Autres articles (14)

  • 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 (...)

  • Les formats acceptés

    28 janvier 2010, par

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

  • 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 (...)

Sur d’autres sites (3268)

  • avfilter/vf_mix : improve speed even more by avoiding using filter private context

    19 mai 2023, par Paul B Mahol
    avfilter/vf_mix : improve speed even more by avoiding using filter private context
    • [DH] libavfilter/vf_mix.c

  • avfilter/vf_uspp : about 10x the speed with threads

    15 mars 2023, par Michael Niedermayer
    avfilter/vf_uspp : about 10x the speed with threads

    Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] libavfilter/vf_uspp.c

  • Handbreak ffmpeg encode vs decode speed (x265)

    10 février 2023, par Demian

    I'm encoding videos in x265 to save same storage (Gopro, DJI, etc.). This is working well for me with Handbreak and I got some good CRF values for my use cases.

    &#xA;

    My question is about the encoding preset. The slower it is the better Qualitiy per Bitrate you get, but the encoding time increases.

    &#xA;

    But how the decoding time. Does it also consume more CPU power to watch (decode) a video which was created with a slow prestet then a fast preset ?

    &#xA;

    Thank you !

    &#xA;

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