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  • Les formats acceptés

    28 janvier 2010, par

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

  • Ajouter notes et légendes aux images

    7 février 2011, par

    Pour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
    Une fois le plugin activé, vous pouvez le configurer dans l’espace de configuration afin de modifier les droits de création / modification et de suppression des notes. Par défaut seuls les administrateurs du site peuvent ajouter des notes aux images.
    Modification lors de l’ajout d’un média
    Lors de l’ajout d’un média de type "image" un nouveau bouton apparait au dessus de la prévisualisation (...)

  • La sauvegarde automatique de canaux SPIP

    1er avril 2010, par

    Dans le cadre de la mise en place d’une plateforme ouverte, il est important pour les hébergeurs de pouvoir disposer de sauvegardes assez régulières pour parer à tout problème éventuel.
    Pour réaliser cette tâche on se base sur deux plugins SPIP : Saveauto qui permet une sauvegarde régulière de la base de donnée sous la forme d’un dump mysql (utilisable dans phpmyadmin) mes_fichiers_2 qui permet de réaliser une archive au format zip des données importantes du site (les documents, les éléments (...)

Sur d’autres sites (4351)

  • Fun With Tablets And Amazon’s App Store

    24 décembre 2011, par Multimedia Mike — General, amazon, android, app store, cyanogenmod, ios, smurfs, tablet

    I bought an Android tablet a few months ago. It is less expensive than the best tablets but no where near the bottom end of the market. I think it’s pretty good. However, one downside is that it’s not “certified” to use Google’s official marketplace. That would seem to be somewhat limiting, however…

    Enter Amazon’s Android App Store
    Amazon got into the business of selling Android Apps some time ago. I started experimenting with this on a Nexus One phone that Google gave me. When I installed the App Store on the Android tablet and logged in, I was pleasantly surprised to see all of my Amazon apps ready for downloading onto the tablet.

    So I have an App Store for use with this Android tablet.

    Anyway, the reason I bring this up is because I managed to screw up this tablet in an unusual and humorous manner. You might be wondering if an app downloaded from the Amazon App Store requires the App Store to be present in order to run. The answer is : Oh yeah ! It works like this :



    This means that if — perhaps out of curiosity, for example — you login to the Amazon App Store, download an app, install it, and then subsequently log out of the App Store or uninstall it altogether, the downloaded app will decline to run until you log back into the store.

    Here’s the thing– I wanted to provide a minimal level of security for my Android tablet. At the very least, I wished to lock the Amazon App Store itself since Amazon is famously (and, let’s face it, understandably) reluctant to deliberately add any friction to their shopping processes. I.e., without any external protection app, the App Store app would allow anyone to purchase any app using my tablet.

    So I purchased App Protector Pro from the Amazon App Store and it worked quite well. By default, it also password protects against modifying any system settings as well as installing new apps.

    So, here’s where I screwed up : App Protector Pro was doing its faithful duty and I uninstalled the Amazon App Store as an experiment. Suddenly, no apps obtained from the App Store would work unless I reinstalled the App Store. Okay, fair enough, except for one thing– App Protector Pro wouldn’t run without the App Store. Well, it did, it started to, tried to, but then exited. So I couldn’t re-install the App Store :



    Oops

    I eventually learned how to perform a factory reset of the unit which solved the problem. And, as indicated earlier, all of my apps were available for me to re-download.

    Modding, Cyanogen-style
    Open source aficionados will likely point out that there are alternate firmware options which allow me to take control of my Android tablet in a free and open manner. Among these options is CyanogenMod. After I got stuck in the situation described above, I thought I would have to resort to such an option.

    On the plus side, researching alternative firmware options is what taught me to boot the device into a recovery mode and ultimately restore to a factory default setting. But if you’ll allow me to indulge in a mini-rant regarding accessibility of open source software : I was more than a little frustrated in trying to understand what CyanogenMod could possibly offer me. Their homepage says it’s “an aftermarket firmware”. I’m not entirely sure what that means or how it can benefit me. Fortunately, they have a full feature list linked from the front page. They are, in order : Lockscreen gestures, phone goggles, OpenVPN, incognito mode, themes support, and DSP equalizer. I can’t say that any of those really add any value for me. I’d love to know if CyanogenMod supports Google Android Market and various other Google apps (such as maps and GMail). That’s a question that I can’t seem to find the answer to.

    The themes feature opens another old wound for me. Back around 1999 when I was first getting into Linux in a serious way, I remember that themes were a big theme at the Linux User Groups I would attend. I also remember lots are online articles at the time that emphasized how highly customizable the Linux desktop was in comparison to Windows 9x. I was bothered for 2 reasons : First, I thought there were more pressing problems that needed to be addressed in Linux ; and second, none of these customization options seemed particularly straightforward ; many apparently required hours of compiling and tinkering.

    Small digression. Anyway, back to CyanogenMod, I was glad to see that they prominently display a button in order to “View Video Tour”. Ah, internet video has us so spoiled these days. I was eager to see this aftermarket firmware in action to see what it could do for me. However, the link leads to… a forum post ? The thread seems to discuss how it would be a cool idea if the community could put together a video tour. At this point, the investigation just seems bizarre. It feels like a bunch of kids doing their best to do things the grown-up way.

    Okay, sorry, rant over. I try to stay positive these days. I’m sure the CyanogenMod folks are doing great, fun, and interesting work on their project. The problems they choose to solve might lack mainstream appeal, however.

    Free iPad
    Ultimately, I recently unloaded the little Android tablet because, well… when a free iPad comes your way, lower spec tablets feel a little silly to keep around. Yeah, it’s great to play around with. Though here’s one unsettling thing I noticed about Apple’s App Store. While browsing for worthwhile games to indulge in, I noticed that they had a section for “Top Grossing Games”. This was a separate list from the “Top Apps” charts. I found the list weird for 2 reasons : 1) Why do I care which games are raking in the most cash ? How does this communicate value to me, personally ? Seriously, why would I base a purchasing decision around which vendor has earned the most money ?

    Anyway, let’s move on to reason #2 this was scary : Most of the games in this list had a price of FREE. One of them was that Capcom Smurfs game that stirred up controversy some months ago because of kids making unsupervised in-app purchases of virtual smurfberries. I tend to think that a top-grossing, free to play game is probably one that heavily encourages in-app purchases. Strange how this emerging trend actually encourages me to seek out games from the “top paid” list vs. “top free”.

  • Unwrapping Matomo 5.2.0 – Bringing you enhanced security and performance

    25 décembre 2024, par Daniel Crough — Latest Releases

     As we tie a bow on 2024, we’re delighted to share our final gift of the year. Matomo 5.2.0 comes wrapped with new security features, privacy controls, and performance improvements to enhance your analytics experience.

     Enhanced security and privacy controls

    Image that shows the This Wasn’t Me link in password reset email.

    We’ve strengthened Matomo’s security framework with several key updates :

    • A new installer timestamp mechanism for on-premise installations creates a secure 72-hour installation window, preventing unauthorised access during setup
    • Enhanced account security features including a “This Wasn’t Me” link in password reset emails and location-based login alerts
    • The new Global List of Query URL parameters feature lets you refine tracking by excluding sensitive or unnecessary parameters from collection

    Tag manager improvements for better efficiency

    The Matomo Tag Manager now includes several features to streamline your workflow :

    • New Consent Management Platform (CMP) tags for CookieYes, OneTrust, and Axeptio, simplifying consent tracking implementatio.
    • A new copy feature for containers, tags, and triggers that reduces setup time and ensures consistency across multiple properties
    • Improved management tools for maintaining standardised tracking across websites

    Performance and reliability updates

    We’ve made technical improvements to enhance Matomo’s performance :

    Important to note : This release does not require any major database upgrade, making it easier to implement these improvements.

    Looking forward to 2025

    As we prepare to enter a new year, these updates reflect our ongoing commitment to providing privacy-focused analytics. We’re grateful to all our community contributors who have helped make this release possible. Special thanks to the Matomo community for their contributions to this release.

    Ready to explore these new features ? Update to Matomo 5.2.0 today and start the new year with enhanced security, efficiency, and control over your analytics data.

    From all of us at Matomo, thank you for being part of our journey. Here’s to another year of protecting privacy and empowering insights together !


    For a detailed overview of all changes and improvements, see our complete release notes or join the discussion in our community forums. If you’d like to contribute to making Matomo even better, learn more about getting involved with our open-source project.

  • How to write UI tests for your plugin – Introducing the Piwik Platform

    18 février 2015, par Thomas Steur — Development

    This is the next post of our blog series where we introduce the capabilities of the Piwik platform (our previous post was How to write unit tests for your plugin). This time you’ll learn how to write UI tests in Piwik. For this tutorial you will need to have basic knowledge of JavaScript and the Piwik platform.

    What is a UI test ?

    Some might know a UI test under the term ‘CSS test’ or ‘screenshot test’. When we speak of UI tests we mean automated tests that capture a screenshot of a URL and then compare the result with an expected image. If the images are not exactly the same the test will fail. For more information read our blog post about UI Testing.

    What is a UI test good for ?

    We use them to test our PHP Controllers, Twig templates, CSS, and indirectly test our JavaScript. We do usually not write Unit or Integration tests for our controllers. For example we use UI tests to ensure that the installation, the login and the update process works as expected. We also have tests for most pages, reports, settings, etc. This increases the quality of our product and saves us a lot of time as it is easy to write and maintain such tests. All UI tests are executed on Travis after each commit and compared with our expected screenshots.

    Getting started

    In this post, we assume that you have already installed Piwik 2.11.0 or later via git, set up your development environment and created a plugin. If not, visit the Piwik Developer Zone where you’ll find the tutorial Setting up Piwik and other Guides that help you to develop a plugin.

    Next you need to install the needed packages to execute UI tests.

    Let’s create a UI test

    We start by using the Piwik Console to create a new UI test :

    ./console generate:test --testtype ui

    The command will ask you to enter the name of the plugin the created test should belong to. I will use the plugin name “Widgetize”. Next it will ask you for the name of the test. Here you usually enter the name of the page or report you want to test. I will use the name “WidgetizePage” in this example. There should now be a file plugins/Widgetize/tests/UI/WidgetizePage_spec.js which contains already an example to get you started easily :

    describe("WidgetizePage", function () {
       var generalParams = 'idSite=1&period=day&date=2010-01-03';

       it('should load a simple page by its module and action', function (done) {
           var screenshotName = 'simplePage';
           // will save image in "processed-ui-screenshots/WidgetizePageTest_simplePage.png"

           expect.screenshot(screenshotName).to.be.capture(function (page) {
               var urlToTest = "?" + generalParams + "&module=Widgetize&action=index";
               page.load(urlToTest);
           }, done);
       });
    });

    What is happening here ?

    This example declares a new set of specs by calling the method describe(name, callback) and within that a new spec by calling the method it(description, func). Within the spec we load a URL and once loaded capture a screenshot of the whole page. The captured screenshot will be saved under the defined screenshotName. You might have noticed we write our UI tests in BDD style.

    Capturing only a part of the page

    It is good practice to not always capture the full page. For example many pages contain a menu and if you change that menu, all your screenshot tests would fail. To avoid this you would instead have a separate test for your menu. To capture only a part of the page simply specify a jQuery selector and call the method captureSelector instead of capture :

    var contentSelector = '#selector1, .selector2 .selector3';
    // Only the content of both selectors will be in visible in the captured screenshot
    expect.screenshot('page_partial').to.be.captureSelector(contentSelector, function (page) {
       page.load(urlToTest);
    }, done);

    Hiding content

    There is a known issue with sparklines that can fail tests randomly. Also version numbers or a date that changes from time to time can fail tests without actually having an error. To avoid this you can prevent elements from being visible in the captured screenshot via CSS as we add a CSS class called uiTest to the HTML element while tests are running.

    .uiTest .version { visibility:hidden }

    Running a test

    To run the previously generated tests we will use the command tests:run-ui :

    ./console tests:run-ui WidgetizePage

    After running the tests for the first time you will notice a new folder plugins/PLUGINNAME/tests/UI/processed-ui-screenshots in your plugin. If everything worked, there will be an image for every captured screenshot. If you’re happy with the result it is time to copy the file over to the expected-ui-screenshots folder, otherwise you have to adjust your test until you get the result you want. From now on, the newly captured screenshots will be compared with the expected images whenever you execute the tests.

    Fixing a test

    At some point your UI test will fail, for example due to expected CSS changes. To fix a test all you have to do is to copy the captured screenshot from the folder processed-ui-screenshots to the folder expected-ui-screenshots.

    Executing the UI tests on Travis

    In case you have not generated a .travis.yml file for your plugin yet you can do this by executing the following command :

    ./console generate:travis-yml --plugin PLUGINNAME

    Next you have to activate Travis for your repository.

    Advanced features

    Isn’t it easy to create a UI test ? We never even created a file ! Of course you can accomplish even more if you want. For example you can specify a fixture to be inserted before running the tests which is useful when your plugin requires custom data. You can also control the browser as it was a human by clicking, moving the mouse, typing text, etc. If you want to discover more features have a look at our existing test cases.

    If you have any feedback regarding our APIs or our guides in the Developer Zone feel free to send it to us.