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Médias (1)

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Autres articles (86)

  • 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

  • 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 (...)

  • Librairies et logiciels spécifiques aux médias

    10 décembre 2010, par

    Pour un fonctionnement correct et optimal, plusieurs choses sont à prendre en considération.
    Il est important, après avoir installé apache2, mysql et php5, d’installer d’autres logiciels nécessaires dont les installations sont décrites dans les liens afférants. Un ensemble de librairies multimedias (x264, libtheora, libvpx) utilisées pour l’encodage et le décodage des vidéos et sons afin de supporter le plus grand nombre de fichiers possibles. Cf. : ce tutoriel ; FFMpeg avec le maximum de décodeurs et (...)

Sur d’autres sites (7617)

  • ffmpeg-Create the video slideshow with effect ? [on hold]

    1er octobre 2013, par Lily Shukla

    I want to make video slide show with image using the ffmpeg.
    i try the code

    Using a single image as an input

    If you want to create a video out of just one image, this will do (output video duration is set to 30 seconds with -t 30) :

    ffmpeg -loop 1 -i img.png -c:v libx264 -t 30 -pix_fmt yuv420p out.mp4

    but sir it only showing the picture without any effect.
    i want to add effect like we see in power point.
    plz sie how to do it
    ffmpeg-Create the video slideshow with effect ???

  • Adding a filter and title cards to user uploaded videos [on hold]

    5 septembre 2013, par Django Reinhardt

    A client is interested in applying a Sepia style filter, as well as title cards, to user-uploaded videos on their website. This would obviously be automated on their webserver, and it seems ffmpeg is a good way to make this happen.

    Unfortunately, from what I've read, such processing would require a lot of webserver CPU power — far more than the average webserver usually has. How can I practically perform these calculations on a website ?

  • How build ffmpeg optimized for iOS, using hardware decoding probably ?

    9 décembre 2013, par jAckOdE

    I make a FFMPEG-based player for ios. It works fine on simulator, but on real-device (iPhone 4) the frame rate is low and make my audio and video out of sync. the player works fine on iPhone 4s, so I guess it's just problem about device's computing power.

    So, is there anyway to build FFMPEG optimized for iOS device (armv7, arvm7s arch) ? or is there anyway to utilize ios device hardware to decode video stream ?

    My video stream is encode in H264/AAC.

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