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Autres articles (100)

  • 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 (...)

  • Websites made ​​with MediaSPIP

    2 mai 2011, par

    This page lists some websites based on MediaSPIP.

  • Creating farms of unique websites

    13 avril 2011, par

    MediaSPIP platforms can be installed as a farm, with a single "core" hosted on a dedicated server and used by multiple websites.
    This allows (among other things) : implementation costs to be shared between several different projects / individuals rapid deployment of multiple unique sites creation of groups of like-minded sites, making it possible to browse media in a more controlled and selective environment than the major "open" (...)

Sur d’autres sites (14110)

  • ffmpeg overlay video on image and remove video black background

    15 septembre 2021, par Moslem Aslani

    Im using this ffmpeg command to overlay a video on image (with remove black background) :

    


    ffmpeg -loop 1 -i image.png -i video.mp4 -filter_complex [1:v]colorkey=0x000000:0.1:0.1[ckout];[0:v][ckout]overlay[out] -map [out] -t 5 -c:a copy -c:v libx264 -y result.mp4


    


    enter image description here

    


    But as you can see in the picture, the black parts of the ball have also disappeared. How can I solve this problem ?

    


  • ffmpeg ouput the time with scan the black screen in the vdeo file

    23 décembre 2023, par jack

    I use the below command to detect the black screen in the video, but it can't output

    


    the time field with detected. May I know does have any command can let ffmpeg

    


    output the time in the detected ?

    


    ffmpeg -i "inputfile.mkv" -vf "blackdetect=d=2:pix_th=0.00" -an -f null -


    


    output :

    


    [blackdetect @ 0000024d543c41c0] black_start:876.009 black_end:878.011 black_duration:2.002

[blackdetect @ 0000024d543c41c0] black_start:893.026 black_end:895.028 black_duration:2.002


    


    I checked the below of ffmpeg website

    


    https://ffmpeg.org/ffmpeg-filters.html


    


    , but still can't understand it and need help.

    


  • lavfi/selectivecolor : fix picking black as neutral when alpha is present

    24 juillet 2016, par Clément Bœsch
    lavfi/selectivecolor : fix picking black as neutral when alpha is present
    • [DH] libavfilter/vf_selectivecolor.c

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