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Autres articles (72)

  • 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

  • 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 (...)

  • Librairies et logiciels spécifiques aux médias

    10 décembre 2010, par

    Pour un fonctionnement correct et optimal, plusieurs choses sont à prendre en considération.
    Il est important, après avoir installé apache2, mysql et php5, d’installer d’autres logiciels nécessaires dont les installations sont décrites dans les liens afférants. Un ensemble de librairies multimedias (x264, libtheora, libvpx) utilisées pour l’encodage et le décodage des vidéos et sons afin de supporter le plus grand nombre de fichiers possibles. Cf. : ce tutoriel ; FFMpeg avec le maximum de décodeurs et (...)

Sur d’autres sites (7775)

  • Evolution #3092 : Gestion des contenus par lots

    29 septembre 2015, par Valéry -

    Notons que pour la fonction "déplacement" le Plan du site amélioré http://contrib.spip.net/Plan-du-site-ameliore-4718 fait ceci (mais avec la contrainte du glisser / déposer parfois délicat à manipuler).

  • FFMPEG install on server

    23 juillet 2013, par s19k15

    I have an online server (shared hosting plan) in linux, i do not know a lot stuff about linux and i am trying to install ffmpeg.

    I have tryied a lot of scripts but no luck.
    Now i am trying to install the below script via putty.
    <a href="https://github.com/heidisoft/FFMPEG-install-script-for-shared-host" rel="nofollow">https://github.com/heidisoft/FFMPEG-install-script-for-shared-host</a>

    When the install was running i get this message and the installation stops...

    Installation of MPlayer-1.0rc1.tar.bz2 ....... started
    
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
    
                                 Dload  Upload   Total   Spent    Left  Speed
    
100  1233  100  1233    0     0   7713      0 --:--:-- --:--:-- --:--:--  7803
    
bzip2: (stdin) is not a bzip2 file.
    
tar: Child returned status 2
    
tar: Error is not recoverable: exiting now
    
mplayer.sh: line 32: cd: MPlayer-1.0rc1/: No such file or directory
    
mplayer.sh: line 33: ./configure: No such file or directory
    
make: *** No targets specified and no makefile found.  Stop.
    
make: *** No rule to make target `install&#39;.  Stop.
    
cp: cannot stat `etc/codecs.conf&#39;: No such file or directory
    
Installation of MPlayer-1.0rc1.tar.bz2 ....... Completed
    

    
        Mplayer installation Failed :( , please visit the forum

    What can i do to install ??? Thanks !

  • How to Manage User Uploaded Content and Storage

    6 novembre 2014, par Ben

    I’m building an app in PHP (Laravel 4 framework) where a teacher in their account can create a digital lesson for a student. Digital lessons can contain the following content :

    • Text (text from form, .doc, .txt, .pdf, etc.)
    • Images (.gif, .png, .jpg etc.)
    • Video (.avi, .mov, .mp4, etc.)
    • Audio (.mp3, etc.)

    Raw text entered from forms can obviously be stored in the DB against the lesson_id. All the other content formats will need to be stored somewhere, where I can manage and read the files, as well as keep track of the teachers storage total as I plan to bill for storage thresholds at 5GB, 10GB etc.

    On the create a lesson page, content files need to be uploaded as lesson attachments before the lesson is saved, so a teacher can visually see all the lessons content, and then hit save to create the lesson instantly.

    Here’s what I’ve come up with :

    1. Upload all lesson file attachments to AWS S3 to the teachers dedicated bucket, before the lesson is created. Add the teachers ID and date time to each filename.

    2. Force all uploaded video / audio files to be converted to .mp4, .mp3, etc. if they are not in an iDevice friendly format or they exceed a file size limit. Use FFmpeg to do this.

    3. When the lesson is saved and created, record the S3 file URL’s against the lesson ID in the DB.

    4. If the lesson has not been created after a specific period of time, run a cron job to check for uploaded S3 files with no lesson and delete them.

    I am unsure what is the best way to solve this problem as user uploaded content management is really new to me.

    What do you think of this approach ? Can you recommend an improved or better way to solve this problem ?

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