Recherche avancée

Médias (1)

Mot : - Tags -/pirate bay

Autres articles (53)

  • Ajouter des informations spécifiques aux utilisateurs et autres modifications de comportement liées aux auteurs

    12 avril 2011, par

    La manière la plus simple d’ajouter des informations aux auteurs est d’installer le plugin Inscription3. Il permet également de modifier certains comportements liés aux utilisateurs (référez-vous à sa documentation pour plus d’informations).
    Il est également possible d’ajouter des champs aux auteurs en installant les plugins champs extras 2 et Interface pour champs extras.

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

  • 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 (...)

Sur d’autres sites (12782)

  • New Zip.php

    11 janvier 2014, par Grandt
    New Zip.php

    New Zip.php fixes an issue with file attributes.

  • Create video scroll image

    17 février 2019, par Dinh Quang Khang

    I am creating video scroll vertical image with ffmpeg.

    But video is very bad. Although I set frame rate is 200, it is jerky.

    My video in youtube

    -i "D:\FFMPEG\source.jpg" -i "D:\FFMPEG\logo.png" -i "D:\FFMPEG\audio.mp3" -f lavfi -i color=c=white:s=1280x720:d=41 -f lavfi -i color=c=white:s=1280x720 -loop 1 -filter_complex "[2:a]afifo[audio];[4:v][0:v]vstack=inputs=2[source];[3:v][source]overlay=shortest=1:y='-(t)*200'[source_video];[source_video][1:v]overlay=39:39[video]" -strict very -preset ultrafast -t 00:00:41 -vcodec libx264 -r 200/1 -map [video] -map [audio] "D:\FFMPEG\output.mp4"

  • FFMPEG Encoding to prores 4444 with alpha doesn't retain original alpha [closed]

    19 mai 2023, par Nick Weeden

    I'm trying to convert an rgba png to prores 4444 with an alpha. When I run the following command it will create prores file with an alpha. But, the alpha is full white, it doesn't retain the values I put in.

    


    ffmpeg -start_number 1001 -r 24.000 - "pngWithAlpha_%06d.png" -c:v prores_ks -profile:v 4 -alpha_bits 16 -y "proresWithAlpha.mov"


    


    I've tried this with both FFMPEG 4.2.2 and 6.0.0 on a linux system, I'm not sure if I'm doing it wrong or if it is a bug.

    


    Looking at this post it seems it should be possible (they're complaining about quality not a fully missing transfer of the alpha).

    


    I would expect it to pass the alpha straight through but it doesn't. I used alpha_extract to copy the alpha in to the rgb to confirm I'm able to read the alpha from the png, which worked. But the alpha was still full white.

    


Navigation