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  • 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

  • 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 (...)

  • 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 (...)

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  • I need to cut a batch of MP4 files to exactly a fixed value of 299 seconds [closed]

    21 mai 2024, par DruidCtba

    I need some help :).

    


    I need to trim a batch of MP4 files to exactly 299 seconds, or 4 minutes and 59 seconds, and from what I've seen, ffmpeg can do this for me.

    


    I also need to merge them later on, all in batch, the files that were split above.

    


    I think two scripts can do this, it shouldn't be too complicated, but reading the ffmpeg documentation, I found it a bit tricky for me haha.

    


    The split can have segments like : Original_File_Name_001.MP4, Original_File_Name_002.MP4, and so on.

    


    I saw on github that there's a program, LOSSLESSCUT, which is great at doing this split, but it doesn't do it in batch, it's always one at a time.

    


    I appreciate all the help possible, either the two scripts, split and merge in batch, or pointing me to any free program that does this.

    


    Cheers.

    


    Druid®.

    


  • Handbreak ffmpeg encode vs decode speed (x265)

    10 février 2023, par Demian

    I'm encoding videos in x265 to save same storage (Gopro, DJI, etc.). This is working well for me with Handbreak and I got some good CRF values for my use cases.

    


    My question is about the encoding preset. The slower it is the better Qualitiy per Bitrate you get, but the encoding time increases.

    


    But how the decoding time. Does it also consume more CPU power to watch (decode) a video which was created with a slow prestet then a fast preset ?

    


    Thank you !

    


  • Can I use ffmpeg to create multi-bitrate (MBR) MPEG-4 videos ?

    5 décembre 2011, par hoangbv15

    I am currently in a webcam streaming server project that requires the function of dynamically adjusting the stream's bitrate according to the client's settings (screen sizes, processing power...) or the network bandwidth. The encoder is ffmpeg, since it's free and open sourced, and the codec is MPEG-4 part 2. We use live555 for the server part.

    How can I encode MBR MPEG-4 videos using ffmpeg to achieve this ?

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