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Autres articles (69)

  • 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.

  • MediaSPIP en mode privé (Intranet)

    17 septembre 2013, par

    À partir de la version 0.3, un canal de MediaSPIP peut devenir privé, bloqué à toute personne non identifiée grâce au plugin "Intranet/extranet".
    Le plugin Intranet/extranet, lorsqu’il est activé, permet de bloquer l’accès au canal à tout visiteur non identifié, l’empêchant d’accéder au contenu en le redirigeant systématiquement vers le formulaire d’identification.
    Ce système peut être particulièrement utile pour certaines utilisations comme : Atelier de travail avec des enfants dont le contenu ne doit pas (...)

  • 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 (5198)

  • Official RealVideo Specifications

    29 juillet 2010, par Multimedia Mike — General

    A little birdie tipped me off to a publicly-accessible URL on the Helix community site (does anyone actually use Helix ?) that contains a bunch of specifications for RealVideo 8 and 9. I have been sifting through the documents to see exactly what they contain as the different files seem to be higher revisions of the same documents. Here is the title, date, and version of each PDF document :

    • RNDecoderPerformanceARM.pdf : Decoder Performance on StrongARM and XScale ; May 12, 2003 ; Version 1.1
    • rv89_decoder_summary.pdf : RealVideo 8/9 Combo Decoder Summary ; October 23, 2002 ; Version 1.0
    • rv9_dec_external_spec_v14.pdf : RealVideo 9 External Specification ; November 7, 2003 ; Version 1.4
    • rv8_dec_external_spec_v20.pdf : RealVideo 8 External Specification ; September 19, 2002 ; Version 2.0
    • RV8DecoderExternalSpecificationv201.pdf : RealVideo 8 External Specification ; October 20, 2006 ; Version 2.01
    • RV8DecoderExternalSpecificationv202.pdf : RealVideo 8 External Specification ; April 23, 2007 ; Version 2.02
    • RV8DecoderExternalSpecificationv203.pdf : RealVideo 8 External Specification ; July 20, 2007 ; Version 2.03
    • RV8DecoderExternalSpecificationv21.pdf : RealVideo 8 External Specification ; September 11, 2007 ; Version 2.1
    • RV9DecoderExternalSpecificationv15.pdf ; RealVideo 9 External Specification ; January 26, 2002 ; Version 1.5
    • RV9DecoderExternalSpecificationv16.pdf ; RealVideo 9 External Specification ; August 17, 2005 ; Version 1.6
    • RV9DecoderExternalSpecificationv18.pdf ; RealVideo 9 External Specification ; September 11, 2007 ; Version 1.8

    Additionally, there is an Excel spreadsheet entitled realvideo-faq.xls that appears to contain some general tech support advice for using Real’s official code. There are also 3 ZIP archives which contain profiling information about the official source code (post processing and entropy decoding top the charts which is no big surprise).

    I guess the latest version of each document (the ones dated September 11, 2007) are worth mirroring. Unfortunately, those latest document versions use a terrible font.

  • Evolution #4427 (En cours) : Permettre (via une constante) de passer de 65 536 à 4096 le nombre ma...

    24 janvier 2020, par - Equipement

    Bonjour,
    Concernant le cache de second niveau de SPIP, c’est-à-dire celui qui contient le résultat du calcul des squelettes :

    Jusqu’à la branche 3.0 de SPIP la taille maximum du cache était par défaut de 10 Mo.

    A partir de la branche 3.1 de SPIP, le nombre maximal de fichier dans le cache est de 65 536 (et il n’y a plus de limite sur la taille du cache).
    Sur un cas réel, le cache a atteint 2 Go (soit une moyenne de 31 Ko par fichier).
    Certains hébergeurs ont un quota sur la taille, mais également sur le nombre d’inodes.
    Dans un cas réel, des sites ont ainsi atteint le quota d’inodes, ce qui empêchait l’accès à l’espace privé des sites (cf. contrib.spip.net/Plugins-Giseh#comment502510).

    Remarque : L’expérience montre que le passage d’un robot, qui n’est pas identifié par SPIP, peut suffit à garnir le cache. Or la liste des robots détectés par SPIP ne sera jamais exhaustive. Par ailleurs, pour certains robots (aspirateurs de sites ou autre) il est possible de modifier leur user-agent.

    Aussi, je propose que, via l’ajout d’une constante dans le fichier mes_options, il soit possible de fixer le nombre maximal de fichier dans le cache à 4096 (au lieu de 65 536). Cette approche, par constante optionnelle, évite d’impacter les sites qui veulent conserver la limite de 65 536 fichiers.

    En pratique, il s’agit d’offrir la possibilité de mettre dans le fichier mes_options la constante suivante : 

    1. <span class="CodeRay"><span class="predefined">define</span>(<span class="string"><span class="delimiter">'</span><span class="content">_CACHE_MAX_4096_FILES</span><span class="delimiter">'</span></span>,<span class="predefined-constant">true</span>) ;
      2. 

    2. </span>
      3. 

    Télécharger

    et de prendre en compte cette constante dans le fichier ecrire/public/cacher.php de la manière suivante :

    1. <span class="CodeRay"><span class="keyword">function</span> <span class="function">ecrire_cache</span>(<span class="local-variable">$nom_cache</span>, <span class="local-variable">$valeur</span>) {
      2. 

    2. <span class="comment">//    $d = substr($nom_cache, 0, 2);</span>
      3. 

    3. <span class="comment">//    $u = substr($nom_cache, 2, 2);</span>
      4. 

    4.   <span class="local-variable">$longueur_d</span> = <span class="integer">2</span>;
      5. 

    5.   <span class="keyword">if</span> (<span class="predefined">defined</span>(<span class="string"><span class="delimiter">'</span><span class="content">_CACHE_MAX_4096_FILES</span><span class="delimiter">'</span></span>) <span class="keyword">AND</span> _CACHE_MAX_4096_FILES){
      6. 

    6.     <span class="local-variable">$longueur_d</span> = <span class="integer">1</span>;
      7. 

    7.   }
      8. 

    8.     <span class="local-variable">$d</span> = <span class="predefined">substr</span>(<span class="local-variable">$nom_cache</span>, <span class="integer">0</span>, <span class="local-variable">$longueur_d</span>);
      9. 

    9.     <span class="local-variable">$u</span> = <span class="predefined">substr</span>(<span class="local-variable">$nom_cache</span>, <span class="local-variable">$longueur_d</span>, <span class="integer">2</span>);
      10. 

    10.  
      11. 

    11.     <span class="local-variable">$rep</span> = _DIR_CACHE;
      12. 

    12.     <span class="local-variable">$rep</span> = sous_repertoire(<span class="local-variable">$rep</span>, <span class="string"><span class="delimiter">'</span><span class="delimiter">'</span></span>, <span class="predefined-constant">false</span>, <span class="predefined-constant">true</span>);
      13. 

    13.     <span class="local-variable">$rep</span> = sous_repertoire(<span class="local-variable">$rep</span>, <span class="local-variable">$d</span>, <span class="predefined-constant">false</span>, <span class="predefined-constant">true</span>);
      14. 

    14.  
      15. 

    15.     <span class="keyword">return</span> ecrire_fichier(<span class="local-variable">$rep</span> . <span class="local-variable">$u</span> . <span class="string"><span class="delimiter">"</span><span class="content">.cache</span><span class="delimiter">"</span></span>, <span class="predefined">serialize</span>(<span class="predefined">array</span>(<span class="string"><span class="delimiter">"</span><span class="content">nom_cache</span><span class="delimiter">"</span></span> => <span class="local-variable">$nom_cache</span>, <span class="string"><span class="delimiter">"</span><span class="content">valeur</span><span class="delimiter">"</span></span> => <span class="local-variable">$valeur</span>)));
      16. 

    16. }
      17. 

    17.  
      18. 

    18. <span class="keyword">function</span> <span class="function">lire_cache</span>(<span class="local-variable">$nom_cache</span>) {
      19. 

    19. <span class="comment">//    $d = substr($nom_cache, 0, 2);</span>
      20. 

    20. <span class="comment">//    $u = substr($nom_cache, 2, 2);</span>
      21. 

    21.   <span class="local-variable">$longueur_d</span> = <span class="integer">2</span>;
      22. 

    22.   <span class="keyword">if</span> (<span class="predefined">defined</span>(<span class="string"><span class="delimiter">'</span><span class="content">_CACHE_MAX_4096_FILES</span><span class="delimiter">'</span></span>) <span class="keyword">AND</span> _CACHE_MAX_4096_FILES){
      23. 

    23.     <span class="local-variable">$longueur_d</span> = <span class="integer">1</span>;
      24. 

    24.   }
      25. 

    25.     <span class="local-variable">$d</span> = <span class="predefined">substr</span>(<span class="local-variable">$nom_cache</span>, <span class="integer">0</span>, <span class="local-variable">$longueur_d</span>);
      26. 

    26.     <span class="local-variable">$u</span> = <span class="predefined">substr</span>(<span class="local-variable">$nom_cache</span>, <span class="local-variable">$longueur_d</span>, <span class="integer">2</span>);
      27. 

    27.  
      28. 

    28.     <span class="keyword">if</span> (<span class="predefined">file_exists</span>(<span class="local-variable">$f</span> = _DIR_CACHE . <span class="string"><span class="delimiter">"</span><span class="local-variable">$d</span><span class="content">/</span><span class="local-variable">$u</span><span class="content">.cache</span><span class="delimiter">"</span></span>)
      29. 

    29.         <span class="keyword">and</span> lire_fichier(<span class="local-variable">$f</span>, <span class="local-variable">$tmp</span>)
      30. 

    30.         <span class="keyword">and</span> <span class="local-variable">$tmp</span> = <span class="predefined">unserialize</span>(<span class="local-variable">$tmp</span>)
      31. 

    31.         <span class="keyword">and</span> <span class="local-variable">$tmp</span>[<span class="string"><span class="delimiter">'</span><span class="content">nom_cache</span><span class="delimiter">'</span></span>] == <span class="local-variable">$nom_cache</span>
      32. 

    32.         <span class="keyword">and</span> <span class="predefined">isset</span>(<span class="local-variable">$tmp</span>[<span class="string"><span class="delimiter">'</span><span class="content">valeur</span><span class="delimiter">'</span></span>])
      33. 

    33.     ) {
      34. 

    34.         <span class="keyword">return</span> <span class="local-variable">$tmp</span>[<span class="string"><span class="delimiter">'</span><span class="content">valeur</span><span class="delimiter">'</span></span>];
      35. 

    35.     }
      36. 

    36.  
      37. 

    37.     <span class="keyword">return</span> <span class="predefined-constant">false</span>;
      38. 

    38. }
      39. 

    39. </span>
      40. 

    Télécharger

    Cordialement
    Equipement

  • Users Flow for Piwik : discover the most popular paths your users take through your website or app

    14 décembre 2016, par InnoCraft — Plugins

    Hi, this is Tom from InnoCraft. The company of the makers of Piwik.

    Do you know how your visitors navigate through your website or app ? Well, we thought we did, but it turned out we didn’t until we actually were able to visualize those paths over several steps in an easy to understand graph. We were really surprised by some paths our users took every day. We discovered new popular pages where we totally under-estimated their importance. We found that many users actually had a problem on our home page so they had to reload it and we improved some popular paths we didn’t expect users were going. Now these paths are much more straight-forward for our users.

    -> Read the rest of the story on the Users Flow Marketplace page.

    What does the new Users Flow report look like ?

    Here is below just a little preview of the Users Flow report. The plugin includes more reports and goodies !

    Where do I get Users Flow ?

    Users Flow is available on the Piwik Marketplace :

    Users Flow is premium plugin for Piwik and comes with our 14 day money back guarantee and 1-click installation & updates (all product updates come for free).

    You can also signup for a free Piwik Cloud-hosted trial to discover the power of Users Flow !

    Happy Analytics,

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