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Autres articles (39)

  • Des sites réalisés avec MediaSPIP

    2 mai 2011, par

    Cette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
    Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page.

  • List of compatible distributions

    26 avril 2011, par

    The table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
    If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...)

  • Submit enhancements and plugins

    13 avril 2011

    If you have developed a new extension to add one or more useful features to MediaSPIP, let us know and its integration into the core MedisSPIP functionality will be considered.
    You can use the development discussion list to request for help with creating a plugin. As MediaSPIP is based on SPIP - or you can use the SPIP discussion list SPIP-Zone.

Sur d’autres sites (7014)

  • swr : fix time.h include

    22 juin 2016, par Clément Bœsch
    swr : fix time.h include
    • [DH] libswresample/tests/swresample.c

  • I need command to overlay video at specied time

    26 février 2021, par Norman Nye

    I have two video, one length video (main) and other 6 second length (bg). I want to overlay bg over main after every 20 second.

    


    I try some ways but after bg run, video stop or if it can run it show bg only one time and no more loop.

    


    ffmpeg -y -i "{input}.*" -stream_loop -1 -i bg.mp4 -filter_complex "[0:v]scale=1280:720[v0];[1:v]scale=1280:720[v1];[v0][v1]overlay=enable='lt(mod(t,20),6)':shortest=1" -vcodec libx264 -pix_fmt yuv420p -b:v 3000k -acodec libmp3lame -b:a 128k -ar 44100 -r 20 -ac 2 -threads 0 -shortest -preset superfast "{output}.mp4"


    


    Please help me.

    


    Thank you.

    


  • How to send time stamps to ffmpeg when encoding uncompressed video frames via stdin ?

    7 août 2023, par Spacy

    I'm writing a C# application, but this question applies to any programming language.
I know it is possible to pass uncompressed video frames (in yuv420p format) via stdin to ffmpeg.exe, but I recorded these frames to RAM from a webcam that has a variable frame rate. I have the exact time stamps for each frame. How do I send the time stamps to ffmpeg.exe together with the uncompressed frame data ?

    


    I would prefer if it was possible to send them within the stdin byte stream, but I could also provide them up front when invoking ffmpeg.exe (this might become a very long argument list though). I could also write them to a text file on disk if nothing else works.

    


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