Kurento exercisesLuis LopezKurento.orgStream Oriented GE Owner, FIWARElulop@@kurento.org, @kurentoms

K-1: Deploy a KMS instance

• Prerequisite– To have a FIWARE Lab account

• Steps– Go to Stream Oriented catalogue page– Follow the steps in “Deploying a dedicated GE

instance based on an image”– Check if KMS is working connecting to

localhost:8080/

• Hints– TCP port 8080 needs to be open– UDP ports from 1024 to 65535 need to be open

Easy

K-2: Install your KMS instance

• Prerequisite– To have an Ubuntu 14.04 box (sudo)

• Steps– http://www.kurento.org/docs/current/inst

allation_guide.html

• Hints– If KMS is behind a NAT don’t forget to

configure a STUN server

Easy

K-3: Execute the Hello World application

• Prerequisite– To have a KMS up and running

• Steps– http://www.kurento.org/docs/current/tuto

rials/js/tutorial-1-helloworld.html

• Hints– WebRTC is only supported in Chrome or

Firefox

Easy

K-4: Make a recorder/player application

• Prerequisite– To have a KMS up and running

• Steps– Start from K-4– Add a “Record” button to record the media stream in KMS– Add a “Play” button to play the recorded stream in the

browser

• Hints– You need to use the following KMS endpoints

• RecorderEndpoint• PlayerEndpoint

– Both endpoints require a file URI. Example• file:///tmp/my_file.webm

Medium

K-5: Execute Kurento one-to-many application

• Prerequisite– To have a KMS up and running

• Steps– For Java developers

• http://www.kurento.org/docs/current/tutorials/java/tutorial-3-one2many.html

– For Node.js developers• http://www.kurento.org/docs/current/tutorials/node/tu

torial-3-one2many.html

• Hints– More?

Easy

K-6: Put a hat on your broadcast

• Prerequisite– To have a KMS up and running

• Steps– Start from K-5– User FaceOverlayFilter to put a hat on top of

heads shown on the broadcasted signal

• Hints– You can inspire in this example

• http://www.kurento.org/docs/current/tutorials.html#tutorial-2-webrtc-magic-mirror

Medium

K-7: Execute a call with recording and filters

• Prerequisite

– To have a KMS up and running

• Steps

– Java developers

• http://www.kurento.org/docs/current/tutorials/java/tutorial-5-one2one-adv.html

• Hints

– More?

Medium

K-8: Create your own module

• Prerequisite– To have a KMS up and running

• Steps– Create a module capable of adding text

captions to video steams

• Hints– http://www.kurento.org/docs/current/ma

stering/develop_kurento_modules.html

Hard

K-9: Create a group call application

• Prerequisite– To have a KMS up and running

• Steps– Implement the WWW GUI

• Example Google Hangouts

– Implement the Application Server logic• Single room• No AAA mechanisms

• Hints– https://github.com/Kurento/kurento-tutorial-

java/tree/release-5.1/kurento-group-call

Hard

K-10: Detecting crowds

• Prerequisite– To have a KMS up and running

• Steps– Install the crowd detector module– Obtain a street feet

• You can use this file if you don’t have a live source– http://files.kurento.org/video/puerta-del-sol.ts

– Configure ROIs– Obtain events– Publish events

• For example, in Orion

– Visualize the stream in a browser

• Hints– http://www.kurento.org/docs/current/tutorials/java/module-3-

crowddetector.html

Hard

Thanks!Thanks!