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Autres articles (55)

  • Dépôt de média et thèmes par FTP

    31 mai 2013, par

    L’outil MédiaSPIP traite aussi les média transférés par la voie FTP. Si vous préférez déposer par cette voie, récupérez les identifiants d’accès vers votre site MédiaSPIP et utilisez votre client FTP favori.
    Vous trouverez dès le départ les dossiers suivants dans votre espace FTP : config/ : dossier de configuration du site IMG/ : dossier des média déjà traités et en ligne sur le site local/ : répertoire cache du site web themes/ : les thèmes ou les feuilles de style personnalisées tmp/ : dossier de travail (...)

  • 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 (...)

  • List of compatible distributions

    26 avril 2011, par

    The table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
    If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...)

Sur d’autres sites (11666)

  • avutil/hwcontext_videotoolbox : fix color primaries check

    4 juin, par Jun Zhao
    avutil/hwcontext_videotoolbox : fix color primaries check

    Fix incorrect enum value used in color primaries check by replacing
    
AVCOL_SPC_UNSPECIFIED with AVCOL_PRI_UNSPECIFIED.
    

    Signed-off-by : Jun Zhao <barryjzhao@tencent.com>
    • [DH] libavutil/hwcontext_videotoolbox.c

  • Color Correcting MP4/Webm videos

    2 octobre 2014, par sottenad

    I have a large video that features some animations too complex/long for other methods of embedding (gif, png sequence, etc.) and we are running into an issue with the colors in the video. Essentially we are including the background of the web page as part of the video in order to prevent the appearance of any edges on the video when it plays. We are trying to get the gradient background on the video to match that on the webpage, but the colors are WAY off.

    Are there any recommendations on how to color correct an MP4 video ? Or any html5-safe ways to do video with an alpha channel ?

  • How to preserve color when extracting thumbnail from videos with FFMPEG ?

    7 novembre 2022, par coffee-cat

    I'm using FFMPEG to extract thumbnails from arbitrary user-submitted videos to jpg and the outputs are noticeably darker than the input video.

    &#xA;

    Here is an image captured of a MP4 input (SMPTE Color Bars) using Mac OS's built in screen capture utility (which seems to have a reasonably accurate color representation. Red value on this image is R : 191, G : 0, B : 1.
    &#xA;brighter image of SMPTE color bars

    &#xA;

    Here is the same image captured using the FFMPEG script below. Red value on this image is R : 176, G : 0, B : 2.
    &#xA;diminished brightness image of SMPTE color bars

    &#xA;

    Here is the ffmpeg options I'm using to extract these images :

    &#xA;

    ffmpeg -i input-video.mp4 \&#xA;    -vframes 1 \&#xA;    -filter:v scale=600:-1 \&#xA;    -qscale:v 90 \&#xA;    -f singlejpeg \&#xA;    thumb.jpg &#xA;

    &#xA;

    Any thoughts on how to solve this ?

    &#xA;

    (Note that while there are related topics on Stack Overflow, all of them are specific to known input video types. I'm looking for a solution that will work across arbitrary inputs.)

    &#xA;

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