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  • MediaSPIP version 0.1 Beta

    16 avril 2011, par

    MediaSPIP 0.1 beta est la première version de MediaSPIP décrétée comme "utilisable".
    Le fichier zip ici présent contient uniquement les sources de MediaSPIP en version standalone.
    Pour avoir une installation fonctionnelle, il est nécessaire d’installer manuellement l’ensemble des dépendances logicielles sur le serveur.
    Si vous souhaitez utiliser cette archive pour une installation en mode ferme, il vous faudra également procéder à d’autres modifications (...)

  • 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 (...)

  • Personnaliser en ajoutant son logo, sa bannière ou son image de fond

    5 septembre 2013, par

    Certains thèmes prennent en compte trois éléments de personnalisation : l’ajout d’un logo ; l’ajout d’une bannière l’ajout d’une image de fond ;

Sur d’autres sites (11780)

  • Change gray pixel to black pixels in video

    12 janvier 2023, par yabru

    I want to change every gray pixel in my video with the (r,g,b) 158,158,158 to black 0,0,0

    


    I've tried the solution of THIS post, but backwards. I just do not understand the syntax.

    


    ffmpeg -y -I my_video.mp4 -c copy -c:v libx264 -preset ultrafast -vf "yadif,format=rgb24, lutrgb=r='if(eq(val,158),0,val)':g='if(eq(val,158),0,val)':b='if(eq(val,158),0,val)'" my_video_fixed.mp4

    


    ^ doesn't change anything

    


    could anyone help me modify my command (with an explanation of the solution) :)

    


    version : ffmpeg version 5.1.2

    


  • Concatenate multiple videos with a black screen interval into one video

    21 mars 2016, par AHC

    I am using ffmpeg to join a bunch of videos together.
    I am using the classic join ffmpeg code :

    ffmpeg -f concat -i joinlist.txt -c copy joinedfile.mp4

    but the problem is that the videos are of different formats, encodings, but the same size : all 640x480. I want to join them all and put a black screen video with no sound every other video :

    video1 + black_screen_video + video2 + black_screen_video + video3 ...

    I generated a black screen video of 2 seconds duration using :

    ffmpeg -f lavfi -i color=c=black:s=640x480:d=2 black_screen_video.mp4

    so all of the videos are of the same size : 640x480, and 25 fps but different codecs. The videos have sound, except for the black screen video.
    I can’t do anything manual, because the number of videos are around several hundred. So it has got to be an automatic way to do all this.

    When I joined them together using the above code, the resulting video does not play correctly at all.

    I know that I have to re-encode them, but how to do this to all these videos at once, with one line of code ?

    Update :
    I am already using with success this code to join them together, but only three, if I have more than one hundred, it is time consuming to write down one by one :

    ffmpeg -i vid1.avi -i vid2.avi -i vid3.avi -filter_complex "[0:v:0] [0:a:0] [1:v:0] [1:a:0] [2:v:0] [2:a:0] concat=n=3:v=1:a=1 [v] [a]" -map "[v]" -map "[a]" output.mp4

    but this is joining only the videos, not looping the black screen video. When I do with black screen, ffmpeg gives me stream matching errors.

  • More demo music

    24 juin 2012, par Scott Schiller

    m demo/360-player/canvas-visualization.html More demo music

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