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Autres articles (67)

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    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" (...)

  • Les tâches Cron régulières de la ferme

    1er décembre 2010, par

    La gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
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Sur d’autres sites (8462)

  • Android FFmpeg, video from images : how to prevent landscape image fit/stretching , when video is in portrait mode

    23 janvier 2018, par Giorgi Asaturyan

    i am working with ffmpeg library, and i am trying to create a video from list of images, and everything works well except one thing.

    When i am trying to create ex. portrait video 480x800, all landscape images (800x480) becomes stretched and fit . Please see image below :)

    enter image description here

    Question : How do I fix the issue of the video to make top and bottom spaces empty , when landscape image presents in portrait video ?

  • Problems in making Video from Lottie JSON File and Overlay it with original video using FFMPEG

    26 juin 2019, par Krishna Vyas

    there is some unique concept about processing Lottie Animations using FFMPEG video processing library and MediaCodec. In that, I wants to make video from Lottie animation and overlay that video on other original video.

    But the problem is i’m unable to make a video with transparent background from Lottie animation. So i made simple video from Lottie animation using MediaCodec and MediaMuxer, it takes one by one frame from Lottie Drawable and attach it to the video(Lottie Video). Here is the link about this concept- https://engineering.21buttons.com/how-to-generate-videos-using-lottie-in-android-2db6ecceb2a

    And then i overlay this video to the original video using FFmpeg library. Here FFmpeg does two task, first it makes transparent background in Lottie Video and second it overlays this Lottie Video above the original video.

    And here the actual problem is out, FFmpeg takes more than 8 to 9 minutes in processing of video of 25 seconds, So i wants to get solution for this problem, as i have time limit of only 1 to 2 minutes. Any one has a solution for it or new ides for implementation of this concept, then please tell me i’ll appreciate it.

    Graphical representation of this concept

  • Append A Frame (PNG) FFMPEG To existing video, Make changes all the video - libx264

    7 décembre 2022, par agh bagherian

    I want to append a frame to existing video by using ffmpeg.

    


    p0.png, p1.png and p2.png (3 frames)

    


    by this command ffmpeg generate first video :

    


    ffmpeg -framerate 4 -f image2 -s 1280x720 -i p%d.png -vcodec libx264 -b 80k test1.mp4

    


    Then i want to append a frame to last of video, but total video in HEX-View will be changed. I use this command to append :

    


    ffmpeg -framerate 4 -f image2 -s 1280x720 -t 1 -i new_pic.png -i test1.mp4 -vcodec libx264 -b 80k test2.mp4

    


    Please see image below :

    


    Please see this screen shot

    


    But i want only append some hex code to end of first video....

    


    Please help me. Thanks

    


    I tried many commands. I did not get any results

    


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