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• Generating test data – Introducing the Piwik Platform

  9 octobre 2014, 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 create a command). This time you’ll learn how to generate test data.

  Developers are developing on their local Piwik instance which usually does not contain useful data compared to a real Piwik installation in production (only a few test visits and a few tests users and websites). The ‘VisitorGenerator’ plugin lets you generate any number of visits, websites, users, goals and more. The generator makes sure there will be data for each report so you can easily test anything.

  Getting started

  In this series of posts, we assume that you have already installed Piwik. If not, visit the Piwik Developer Zone where you’ll find the Installation guide for developers.

  Installing the VisitorGenerator plugin

  The easiest way to install the plugin is by using the Marketplace in Piwik itself. It is accessible via Settings => Marketplace => Get new functionality. There you’ll find the plugin “VisitorGenerator” which you can install and activate in one click.

  If your Piwik instance is not connected to the internet you can download the plugin from the VisitorGenerator page on the Marketplace. Afterwards you can install the plugin by going to Settings => Marketplace => Uploading a plugin and uploading the previously downloaded ZIP file.

  If you have already installed the plugin make sure it is activated by going to Settings => Plugins.

  Generating websites

  After you have installed the plugin you can add as many websites as you need. This is useful for instance when you want to test something that affects many websites such as the ‘All Websites’ dashboard or the Websites manager. To generate any number of websites use the following command :

  ./console visitorgenerator:generate-website --limit=10

  This will generate 10 websites. If you need more websites simply specify a higher limit. In case you are wondering the names and URLs of the websites are randomly generated by the Faker PHP library.

  Generating goals

  In case you want to test anything related to Goals you should execute the following command :

  ./console visitorgenerator:generate-goals --idsite=1

  This will generate a few goals for the specified site. The generated goals are defined in a way to make sure there will be conversions when generating the visits in the next step.

  Generating visits

  To generate visits there are two possibilities. Either via the Piwik UI by going to Settings => Visitor Generator or by using the command line. The UI is a bit limited in generating visits so we recommend to use the command line. There you can generate visits as follows :

  ./console visitorgenerator:generate-visits --idsite=1

  This will generate many different visits for the current day. Don’t worry if it takes a while, it will insert quite a few visits by default.

  In case you want to generate visits for multiple days in the past as well you can specify the --days option.

  ./console visitorgenerator:generate-visits --idsite=1 --days=5

  Providing your own logs

  Half of the generated visits are randomly generated and half of the visits are based on real logs to make sure there is data for each report. If you want to generate visits based on your own logs for a more realistic testing just place your log files in the plugins/VisitorGenerator/data folder and make sure the file name ends with .log. You can find a few examples in the VisitorGenerator data folder.

  To generate visits based only on real log files then use the --no-fake option.

  ./console visitorgenerator:generate-visits --idsite=1 --no-fake

  All generated visits will come from the logs and no random visits nor random fake data will be used.

  Advanced features

  We are regularly adding new commands, tools and runtime checks to make your life as a developer easier. For instance you can also generate users and annotations. In the future we want to extend the plugin to create visits in the background to make sure there will be constantly new actions in the real time report.

  Are you missing any kind of generator or any other feature to make your life as a developer easier ? Let us know by email, we are listening !

  Would you like to know more about the Piwik platform ? Go to our Piwik Developer Zone where you’ll find guides and references on how to develop plugin and themes.

• How to create photos to video maker app in android ?

  15 octobre 2022, par MehulGohil

  How can I create photo to video maker app for android ?

  


  https://play.google.com/store/apps/details?id=com.shortly.videomaker.video.status

  


  I want to make the same app. I researched the last few weeks but still not find the solutions. Please help me with this. Is there any specific SDK or API ?

  


• Why does my stream often not have audio when started on crtmpserver ?

  19 novembre 2014, par nonlinearmind

  I’m using ffmpeg to feed source video to a server running crtmpserver which then distributes it as a rtmp stream. It works for the most part, but about half the time, when the stream is created by the source with ffmpeg, crtmpserver streams it without audio.

  To troubleshoot, I tried using Wowza in place of crtmpserver and have not had the same issue. I’m using out-of-the-box configurations for crtmpserver (and for my wowza test). My source audio and video is being sent to crtmposerver with the following pipeline :

  ffmpeg -loglevel error -f video4linux2 -video_size 640x480 -framerate
  30 -input_format yuyv422 -i /dev/video7 -f alsa -i hw:0,0 -map 0:0
  -map 1:0 -b:v 120k -bufsize 120k -vcodec libx264 -preset ultrafast -crf 28 -acodec aac -strict -2 -f flv -metadata streamName=MyStream tcp ://192.168.1.20:6666

  Does anyone know what parameter changes I might make to my crtmpserver conf to solve this problem ?