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    6.18.0 • Public • Published

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    Copyright 2018 Kurento. Licensed under Apache 2.0 License.

    Kurento Utils for Node.js and Browsers

    ⚠️ Warning

    This library is not actively maintained. It was written to simplify the Kurento Tutorials and has several shortcomings for more advanced uses.

    For real-world applications we recommend to avoid using this library and instead to write your JavaScript code directly against the browser’s WebRTC API.

    kurento-utils-js is a browser library that can be used to simplify creation and handling of RTCPeerConnection objects, to control the browser’s WebRTC API.

    Installation instructions

    Be sure to have installed Node.js and Bower in your system:

    curl -sL | sudo -E bash -
    sudo apt-get install -y nodejs
    sudo npm install -g bower

    To install the library, it's recommended to do that from the NPM repository:

    npm install kurento-utils

    Alternatively, you can download the code using git and install manually its dependencies:

    git clone
    cd kurento-utils
    npm install

    Screen and window sharing depends on the privative module kurento-browser-extensions. To enable its support, you'll need to install the package dependency manually or use a getScreenConstraints function yourself on runtime. If it's not available, when trying to share the screen or a window content it will throw an exception.


    To build the browser version of the library you'll only need to exec the grunt task runner and they will be generated on the dist folder. Alternatively, if you don't have it globally installed, you can run a local copy by executing:



    About Kurento

    Kurento is an open source software project providing a platform suitable for creating modular applications with advanced real-time communication capabilities. For knowing more about Kurento, please visit the Kurento project website:

    Kurento is part of FIWARE. For further information on the relationship of FIWARE and Kurento check the Kurento FIWARE Catalog Entry. Kurento is also part of the NUBOMEDIA research initiative.


    The Kurento project provides detailed documentation including tutorials, installation and development guides. The Open API specification, also known as Kurento Protocol, is available on

    Useful Links





    All source code belonging to the Kurento project can be found in the Kurento GitHub organization page.

    Licensing and distribution

    Copyright 2018 Kurento

    Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

    Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.


    npm i kurento-utils

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