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Autres articles (106)

  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

  • Amélioration de la version de base

    13 septembre 2013

    Jolie sélection multiple
    Le plugin Chosen permet d’améliorer l’ergonomie des champs de sélection multiple. Voir les deux images suivantes pour comparer.
    Il suffit pour cela d’activer le plugin Chosen (Configuration générale du site > Gestion des plugins), puis de configurer le plugin (Les squelettes > Chosen) en activant l’utilisation de Chosen dans le site public et en spécifiant les éléments de formulaires à améliorer, par exemple select[multiple] pour les listes à sélection multiple (...)

  • 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 (12381)

  • How do you combine videos at specific X and Y positions with FFMPEG ?

    21 mai 2020, par Adrian Elder

    If I have multiple video files, and I want to combine videos at specific x/y coordinates, how would I go about doing that ?

    



    I know that the xstack filter allows you to position videos using a column/row notation.

    



    Say I have multiple different size rectangle frames, and I knew the x/y coordinate of the top left corner, how could I position these using that value ?

    



    See the image :
enter image description here

    


  • Concatenating different rotated videos with ffmpeg

    14 avril 2017, par acilander

    I am trying to concatenate two videos with ffmpeg having different rotation metadata tags. The first one has rotation=180 the other one has no tag at all.

    There are two methods that can be used in ffmpeg : concat demuxer / concat protocol. Protocol is working as expected but demuxer method is not. When I use concat demuxer option in ffmpeg with copy option to avoid re-encoding the following happens :

    First video with rotation = 180 will be rotated correctly. But the second video without rotation flag will also be rotated and will be presented upside down in output video.

    I know about the options to remove rotation metadata or the possiblility to use filters to rotate the videos. But my question is if someone knows if this is expected behaviour of ffmpeg or not. For me it seems like ffmpeg uses rotation metadata from first video and uses it for all other concatenated videos. Is this assumption correct and intended ?

    Thank you for any feedback and explanations.

  • Contrast normalization of several videos with ffmpeg

    4 octobre 2016, par Alan_AI

    I have some video sequences that I need to concatenate, some of them have bad contrast (so dark) and some are just fine. What is the best method to automatically normalize contrast levels among of these videos automatically without manual tweaking ? Preferably using the ffmpeg script

    Thank you

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