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Autres articles (98)

  • Publier sur MédiaSpip

    13 juin 2013

    Puis-je poster des contenus à partir d’une tablette Ipad ?
    Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir

  • Contribute to documentation

    13 avril 2011

    Documentation is vital to the development of improved technical capabilities.
    MediaSPIP welcomes documentation by users as well as developers - including : critique of existing features and functions articles contributed by developers, administrators, content producers and editors screenshots to illustrate the above translations of existing documentation into other languages
    To contribute, register to the project users’ mailing (...)

  • Submit bugs and patches

    13 avril 2011

    Unfortunately a software is never perfect.
    If you think you have found a bug, report it using our ticket system. Please to help us to fix it by providing the following information : the browser you are using, including the exact version as precise an explanation as possible of the problem if possible, the steps taken resulting in the problem a link to the site / page in question
    If you think you have solved the bug, fill in a ticket and attach to it a corrective patch.
    You may also (...)

Sur d’autres sites (11441)

  • How can I add a background image while combining *.png files using ffmpeg

    12 février 2023, par Walt Howard

    I'd like to add a background image while combining *.png files to make an mp4 file, using ffmpeg.

    


    Currently, I have to first create an animated gif using imagemagick convert, like this :

    


    convert -delay ${DELAY} -dispose Background *.png -coalesce null: ${BACKGROUND} -compose dstOver -layers composite -layers optimize -loop 0 planet.gif


    


    Then I process that animated gif using ffmpeg to optimize it :

    


    ffmpeg -i planet.gif -movflags faststart -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" planet.mp4


    


    Which sort of works, but is slow and has a problem. I craps out if I go above about 100 input files, and creates animated gifs that are basically just white screens.

    


    ffmpeg alone works great, and 100 times faster stitching the *.png files together

    


    ffmpeg -framerate 10 -pattern_type glob -i '*.png' -movflags faststart -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" planet.mp4

    


    But, no background there. I haven't found anyway to add that background. Does ffmpeg even support such a thing ?

    


  • Fix old Flash 8 onload() edge case where loading from cache might return "didLoad : false", fix by checking for duration.

    18 juin 2012, par Scott Schiller

    m script/soundmanager2-jsmin.js m script/soundmanager2-nodebug-jsmin.js m script/soundmanager2-nodebug.js m script/soundmanager2.js Fix old Flash 8 onload() edge case where loading from cache might return "didLoad : false", fix by checking for (...)

  • hevc : reuse edge emu buffer for coefficients

    23 septembre 2014, par Christophe Gisquet
    hevc : reuse edge emu buffer for coefficients

    Kind of hackish but...
    

    Reviewed-by : Mickael Raulet <Mickael.Raulet@insa-rennes.fr>
    
Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
    • [DH] libavcodec/hevc.c
    • [DH] libavcodec/hevc.h
    • [DH] libavcodec/hevc_cabac.c

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