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Autres articles (45)

  • 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

  • De l’upload à la vidéo finale [version standalone]

    31 janvier 2010, par

    Le chemin d’un document audio ou vidéo dans SPIPMotion est divisé en trois étapes distinctes.
    Upload et récupération d’informations de la vidéo source
    Dans un premier temps, il est nécessaire de créer un article SPIP et de lui joindre le document vidéo "source".
    Au moment où ce document est joint à l’article, deux actions supplémentaires au comportement normal sont exécutées : La récupération des informations techniques des flux audio et video du fichier ; La génération d’une vignette : extraction d’une (...)

  • Automated installation script of MediaSPIP

    25 avril 2011, par

    To overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
    You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
    The documentation of the use of this installation script is available here.
    The code of this (...)

Sur d’autres sites (8501)

  • FFMPEG - CONVERT VIDEO TO GREYSCALE EXCEPT ONE COLOR ? LEAVE ONE COLOR, THE REST BLACK & WHITE ? [closed]

    19 décembre 2023, par scm360

    I have been researching and cannot find anything on how to preserve just one color / color range ; while converting a video to greyscale / black & white using FFMPEG. For example ; all black and white, except the peoples Blue Jeans, etc.

    


    Anyone know how to do this in FFMPEG ?

    


    Thanks in advance.

    


    I haven't actually found anything that has promise to achieve this. Of course I know how to convert everything to greyscale / black & white. But, not just leave the color / color range.

    


  • Send info from ffmpeg to text file & then parsing into a new file

    26 octobre 2023, par Preston

    I am trying to scan a directory of .mkv files and output the volume information to out.txt and then parse out.txt for volume_max and send it to log.txt using

    


    for %i in (*.mkv) do ffmpeg -i "%i" -af "volumedetect" -vn -sn -dn -f 1>> out.txt 2>&1 | findstr max_volume out.txt > log.txt


    


    but I keep getting the error(s) :

    


    Missing argument for option 'f'.
Error splitting the argument list: Invalid argument


    


    when it runs the ffmpeg command.

    


    I do get the out.txt file but it's not complete information for each file that's processed. Also, the log.txt file is always 0 bytes, I assume because out.txt doesn't get to the point of generating the max_volume information for each file before erroring.

    


    I know it's got to be something simple but I can't see it. Can anyone shed a bit of light on what I might be doing wrong here ? Thanks !

    


  • ffmpeg video encoding for mobile devices

    27 janvier 2012, par TimGL

    I'm trying to encode the video file from f4v to mp4 for mobile devices and using 2 different ffmpeg versions with the same configuration files. Encoding goes ok for both files. The one that I convert using ffmpeg version N-32754-g936d4d4-Sherpya failing to play on my blackberry.
    This is the command line that I'm using :

    ffmpeg.exe -i some.avs -vcodec libx264 -b 500k -r 24 -acodec libfaac -ab 128k -ar 48000 -ac 2 -threads 0 -coder 0 -bf 0 -refs 1 -level 30 -maxrate 10000000 -bufsize 10000000 -y test.mp4

    The vido playes ok when I convert it using FFmpeg version SVN-r13712
    Could you give me some light on where the issue couls be ?

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