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  • 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 (...)

  • Encoding and processing into web-friendly formats

    13 avril 2011, par

    MediaSPIP automatically converts uploaded files to internet-compatible formats.
    Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
    Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
    Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
    All uploaded files are stored online in their original format, so you can (...)

  • D’autres logiciels intéressants

    12 avril 2011, par

    On ne revendique pas d’être les seuls à faire ce que l’on fait ... et on ne revendique surtout pas d’être les meilleurs non plus ... Ce que l’on fait, on essaie juste de le faire bien, et de mieux en mieux...
    La liste suivante correspond à des logiciels qui tendent peu ou prou à faire comme MediaSPIP ou que MediaSPIP tente peu ou prou à faire pareil, peu importe ...
    On ne les connais pas, on ne les a pas essayé, mais vous pouvez peut être y jeter un coup d’oeil.
    Videopress
    Site Internet : (...)

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  • Convert .mkv to .mp4 with hdmv_pgs_subtitle and subrip

    25 août 2022, par Osoa

    Trying to batch convert a folder of .mkv to .mp4 with all streams, however subrip and hdmv_pgs_subtitle is not support in the mp4 format. How can I convert from .mkv to .mp4 loselessly while keeping all subtitle streams ?
Command I'm executing :

    


    for %i in (*.mkv) do ffmpeg -i "%i" -codec copy -map 0 "%~ni.mp4"


    


    Error :

    


    [mp4 @ 000001ced1bf7900] track 1: codec frame size is not set
[mp4 @ 000001ced1bf7900] track 2: codec frame size is not set
[mp4 @ 000001ced1bf7900] track 3: codec frame size is not set
[mp4 @ 000001ced1bf7900] track 4: codec frame size is not set
[mp4 @ 000001ced1bf7900] track 5: codec frame size is not set
[mp4 @ 000001ced1bf7900] Could not find tag for codec hdmv_pgs_subtitle in stream #6, codec not currently supported in container
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
Error initializing output stream 0:35 --


    


  • How to convert a 4K ProRes into different formats with FFmpeg ?

    18 octobre 2018, par adsalpha

    I have a video which is 3840 × 2160 encoded using Apple ProRes 422.

    I need to convert it to the following sizes/codecs without losing in quality :

    1. ProRes 422 1080p ;
    2. H264 4K ;
    3. H264 1080p.

    I need to do it programmatically so I went with FFmpeg. My command is ffmpeg -i input.mov -vf scale=1920:1080 -c:v prores_ks -preset slow output.mov. I don’t like the result – the colors are less saturated.

    What is the right command to do it ?

  • How to convert MP3's to constant bitrate using FFMPEG

    3 avril 2021, par Brian FitzGerald

    I have found that MP3's encoded with variable bit rate cause the currentTime property to be reported incorrectly, especially when scrubbing. That has wreaked havok on my app and has been a nightmare to debug.

    



    I believe I need to convert all my MP3's to constant bitrate. Can FFMPEG (or something else) help me do that efficiently ?

    



      

    • Props to Terrill Thompson for attempting to pin this down*

      • 


    


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