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Autres articles (46)

  • Les autorisations surchargées par les plugins

    27 avril 2010, par

    Mediaspip core
    autoriser_auteur_modifier() afin que les visiteurs soient capables de modifier leurs informations sur la page d’auteurs

  • 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

  • Other interesting software

    13 avril 2011, par

    We don’t claim to be the only ones doing what we do ... and especially not to assert claims to be the best either ... What we do, we just try to do it well and getting better ...
    The following list represents softwares that tend to be more or less as MediaSPIP or that MediaSPIP tries more or less to do the same, whatever ...
    We don’t know them, we didn’t try them, but you can take a peek.
    Videopress
    Website : http://videopress.com/
    License : GNU/GPL v2
    Source code : (...)

Sur d’autres sites (9457)

  • ffmpeg set data stream codec tag when copying

    19 mars 2021, par user972014

    I use ffmpeg to copy a data stream from one file to the other using -c copy

    


    The problem is that it causes the output file to have no codec tag string. How can I set it ?

    


    The name of the original stream was :

    


    Stream #0:3(eng): Data: none (gpmd / 0x646D7067), 96 kb/s (default)
    Metadata:
      creation_time   : 2020-09-08 16:35:49
      handler_name    : GoPro MET


    


    While for the output file I get it is :

    


    Stream #0:2[0x102]: Data: bin_data ([6][0][0][0] / 0x0006)


    


    I'm using a commandline similar to that :

    


    ffmpeg -i video.mp4 -map 0:3 -c copy -metadata:s:d codec_tag=xxxx -vcodec libx264 converted4.ts


    


    I also tried handler=... handler_name=...

    


  • Remove error when running ffmpeg in Windows script to shrink MP3 file

    19 octobre 2022, par K7AAY

    I use a script to downsize audiobook files.
    
The original audiobook file was concatenated from multiple MP3 files into one MP3 file.
    
The script (in Windows) relies on ffmpeg (version git-2020-06-26-7447045) and contains

    


    FOR %%A IN (dir *.mp3) DO ffmpeg -i "%%A" -c:a libmp3lame -q:a 8 "_%%A"


    


    However, this error message appears :

    


    


    deprecated pixel format used, make sure you did set range correctly
    
[mp3 @ 000001f026d56400] Frame rate very high for a muxer not efficiently supporting it.
    
Please consider specifying a lower framerate, a different muxer or -vsync 2

    


    


    How do I modify the script for greater efficiency and remove that error message ?

    


  • Video Keyframe and Iframe

    12 avril 2021, par SY Moon

    I have confused one thing for Video Frame extraction.

    


    I have sample.mp4 video, 15FPS.

    


    I tried extracting Keyframe with FFMPEG.

    


    ffmpeg -skip_frame nokey -i sample.mp4 -vsync 0 -frame_pts true out%d.png


    


    I get 29 Pictures and I believe I have got 29 I frames. (If I have wrong, Please correct me)

    


    Then I tried extracting specific timeline(10 sec) frame with picture

    


    ffmpeg -i sample.mp4 -ss 00:00:10 -frames:v 1 test1.png


    


    This output picture, I can not find same one among my Keyframes I get.

    


    Question : test1.png, What is frame type ? Does it one of P or B frame not I ?

    


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