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• using ffprobe to create numeric output

  8 juin 2015, par edwardsmarkf

  easy newbie question - i hope this is an appropriate forum

  i have been using this npm module : npmjs(dot)com/package/waveform-util

  and this npm module creates waveform numeric output such as this below :

  [0,0.0062,0.0688,0.2524,0.2691,0.2645,0.1594,0.1397,0.1672

  however, this module does not seem reliable and has not been maintained for a couple of years now. the module describes itself as a "tiny wrapper around ffprobe".

  my question - what would the command line look like to produce such output ?

  thank you all in advance.

  UPDATE :

  i have carefully looked at :

  ffprobe   -show_packets  -show_data  -show_streams  -i  file.opus ;

  but i am not seeing any value here that reflects the audio volume level, or i am seeing but not recognizing it.

• Piwik Developer Guides : helping you make the most of the Piwik platform

  16 avril 2015, par Piwik Core Team — Community, Development, Plugins

  At Piwik we are creating the leading open analytics platform that gives every user full control over their data. Today we are excited to announce the official launch of the Piwik Developer Guides at developer.piwik.org. The Developer Guides complement existing User Guides and more than 250 FAQs.

  Piwik Developer Guides

  The Developer guides will help you whenever you need to :

  • Integrate Piwik analytics in your website or application — Integration guides explain (1) how to track users of your apps (with JavaScript Tracking or other Tracking API Clients) and (2) how to query Piwik’s reporting data to integrate it into your application (Accessing Piwik data).
  • Develop a new Plugin for Piwik — Plugin development guides introduce the Piwik Platform and explain how to get started with creating a new plugin to extend and customise Piwik.
  • Piwik API references — API References include the references for Tracking API, Analytics API, JavaScript Tracking API and the Database schema.
  • See what’s changed in the platform — Changelog for Piwik platform developers lists all changes to our HTTP API’s, Plugins, Themes, etc.

  Helping Developers innovate with Piwik

  Piwik is an open platform – it is open because users control their data, users control the Piwik software (it is Free/libre software) and also because users can extend the platform via the powerful plugins architecture. Piwik users can already choose from 49 plugins available on the Marketplace ! (as of 2015 April 16th)

  Now that developer guides are officially released, we are hopeful that even more talented developers will be able to create Plugins and distribute them on the Marketplace.

  Share your feedback

  We are committed to providing excellent Developer Guides and to achieve this, we need to hear your feedback and suggestions. To send us a message, click on the “Give Feedback” link in the footer of pages (we are listening !).

  What’s coming next ?

  • Platform Developer Changelog will continue to list all changes to the Piwik Platform and APIs.
  • We will regularly update the guides when there are changes in the platform.
  • We will improve existing guides based on users’ feedback and suggestions (tasks are tracked in this issue tracker on Github.)

  We hope you find the guides useful, and thank you for being part of the Piwik community !

  

• converting vr 360 videos to cubic 2x3 format

  21 janvier 2024, par The Anh

  I need to convert vr 360 video to cubic 2x3 format. Usually I use command v360=equirect:c3x2 . But basically it just converts to a cubic square shape with a length, width, and height ratio of 1:1:1. I want to change it so that it can produce 3x2 frames that when merged will create a rectangular box with a different ratio from the original ratio input. For example, length:width:height is 2:1:0.7, for example. I looked for documentation but it seems like few users have done anything about this. I hope you can help me. Thanks a lot

  


  Usually I use command v360=equirect:c3x2