[Fiware-robotics] R: Robot characteristics

[Antonini Roberto]

Hi Luis,
thanks for having promptly answered my e-mail .
Amongst the solutions you've proposed, it's not clear (at least to me) which of these are using KURENTO GE.
I figured out that you provided us with some code snippet (with apposite KURENTO API usage) to build a client and connect your GE from our robot, I guess these are only a test cases to validate WebRTC technology on the scenario we shared, so I suppose I miss the link between these tests and KURENTO.

Anyway, just to better clarify what we meant to do:
On our side, we would like to use KURENTO javascript clients (through Google Chrome) to connect to your KURENTO media server (using WebRTC technology), is it feasible?
Please, let us know which are the steps (and consequently the complexity) to integrate the components above in our scenario, if we understand well.

BR
Roberto and Davide

Da: Luis López Fernández [mailto:luis.lopez at urjc.es]
Inviato: giovedì 12 febbraio 2015 16:29
A: Antonini Roberto
Cc: Garino Pierangelo; Colombatto Davide; fabio.dibenedetto at consoft.it; Bollano Gianmario; Angel Hernandez; Iñigo Gonzalez (igonzalez at ikergune.com); Jose Jaime Ariza (jjaime at ikergune.com); Fernando Herranz (fherranz at ikergune.com); fiware-robotics at lists.fi-ware.org
Oggetto: Re: Robot characteristics

Hi Roberto,

basing on the specifications you are providing, my recommendation is to integrate WebRTC support into the robot in a native way. For this, you have several options.

1. Use the WebRTC Google stack.
* This is the most mature WebRTC stack providing lots of advanced features
* It's the stack used by Chrome
* Can be compiled and used independently on the browser (with some work)
* Only supports VP8 codec. Supporting H264 requires some complex integrations
* Details of it can be found here: http://www.webrtc.org/

2. Use the WebRTC Ericsson Stack
* Less mature but also less heavy
* Supports natively H.264, which is a more performant codec for your use case.
* Details can be found here: http://www.openwebrtc.io/

Here, my choice would be option 1, but you may wish to perform a deeper analysis.


For validating that you webcam works correctly with WebRTC, do the following:

- Provide internet connectivity to the robot
- Install chrome on it
- Open this URL
-- https://talky.io/
- Fill a string in the form (e.g. "aaa") and press the button.
- Accept to share the webcam
- The video should appear
- Open another browser into another computer with Internet connectivity and a webcam
- Open the url https://talky.io/aaa (where "aaa" is the string you filled previously in the form)
- Accept to share the webcam
- You should have a video conference between the two browsers

Best.


-----------------------------------------------------------
Luis López Fernández
Subdirector de Investigación y Relaciones con la Empresa
Escuela Técnica Superior de Ingenieros de Telecomunicación
Universidad Rey Juan Carlos
http://www.etsit.urjc.es
e-mail: luis.lopez at urjc.es<mailto:luis.lopez at urjc.es>
Tf1: +34 914 888 747
Tf2: + 34 914 888 713





El 11/02/2015, a las 13:54, Antonini Roberto <roberto1.antonini at telecomitalia.it<mailto:roberto1.antonini at telecomitalia.it>> escribió:


Hi Luis
As agreed, we start sending to you the characteristics of the robot we have here, that's a turtlebot2  and the PC on board has Ubuntu 12.04 OS (more details available athttp://www.clearpathrobotics.com/turtlebot_2/tech-specs/))
The camera we intend to use is a Logitech c270 (more details available at http://www.logitech.com/it-it/product/hd-webcam-c270).

Let us know if this's enough, we wait for instructions on how to setup a WebRTC video streaming, in order to solve technical issues and test the end-to-end communication.
Thank you.
Davide and Roberto
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