[Fiware-robotics] Robotics GE live demo - Kurento and Wirecloud

Álvaro Arranz aarranz at fi.upm.es
Fri Jul 3 13:42:54 CEST 2015


Hi all,

I've added some details into the google docs.

See you in a moment :)

Best regards,
Álvaro

On 1 July 2015 at 14:35, Bollano Gianmario <
gianmario.bollano at telecomitalia.it> wrote:

>  Hi all,
>
> according to the preferences in the poll we can have the call next Friday
> 3th from 2PM to 3PM.
>
> I’ll send you an invite.
>
>
>
> Gianmario Bollano
>
>
>
> *Da:* Bollano Gianmario
> *Inviato:* martedì 30 giugno 2015 17:10
> *A:* 'Álvaro Arranz'; Luis López Fernández
> *Cc:* Garino Pierangelo; amagan at conwet.com; Javier Soriano;
> fdelavega at fi.upm.es; fiware-robotics at lists.fi-ware.org
> *Oggetto:* R: [Fiware-robotics] Robotics GE live demo - Kurento and
> Wirecloud
>
>
>
> Hi Luis and all,
>
> we propose a Doodle poll to select a timeslot for the call.
>
> The link  is:
>
> http://doodle.com/fb6gx4wbbqupwkwu
>
>
>
> Please,
>
> select your preferred time.
>
>
>
> Gianmario
>
>
>
> *Da:* aarranz at conwet.com [mailto:aarranz at conwet.com] *Per conto di *Álvaro
> Arranz
> *Inviato:* martedì 30 giugno 2015 16:55
> *A:* Luis López Fernández
> *Cc:* Bollano Gianmario; Garino Pierangelo; amagan at conwet.com; Javier
> Soriano; fdelavega at fi.upm.es; fiware-robotics at lists.fi-ware.org
>
> *Oggetto:* Re: [Fiware-robotics] Robotics GE live demo - Kurento and
> Wirecloud
>
>
>
> Hi,
>
>
>
> sorry for the delay in the response, we are busy with the closing and
> planning phases of the sprint. Also I'm organising my travel to the Campus
> party event at Mexico.
>
>
>
> I'll work on providing a better feedback asap (I'll try to provide it
> today). Anyway, updating our widgets for accessing this one-to-many service
> will be easy, we can synchronise with the Kurento team for making the
> needed changes for selecting the master video stream, etc... This is only a
> thing of managing some new commands through the WebSocket connection and
> recreating the WebRTC connections. I don't forecast, as Luis, any problem
> on this side.
>
>
>
> We are also interested in join the call :).
>
>
>
> Best regards,
>
> Álvaro
>
>
>
> On 30 June 2015 at 16:27, Luis López Fernández <luis.lopez at urjc.es> wrote:
>
> Hi Gianmario,
>
>
>
> Modifying the Kurento demo for one-to-many to support several robots it's
> quite trivial. We can do it for you if necessary. This is not an issue.
>
>
>
> The main problem I detect is at the WebRTC client embedded in the robot.
> If this client is Chrome, then you may need human intervention for webcam
> capture. There are hacks for this, but we need to analyze carefully your
> requirements. Otherwise, the option is to compile the WebRTC Chrome stack
> separately and write a C++ application at the robot controlling it. This
> may require some more relevant efforts and this is the issue we need to
> discuss.
>
>
>
> I'm available during most of this week for discussing. Just propose a slot
> and we can try to arrange for a call.
>
>
>
> Thanks.
>
>
>
> -----------------------------------------------------------
>
> 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
>
> Tf1: +34 914 888 747
>
> Tf2: + 34 914 888 713
>
>
>
>
>
>
> El 30/06/2015, a las 16:21, Bollano Gianmario <
> gianmario.bollano at telecomitalia.it> escribió:
>
>
>
> Hi Luis,
>
> thank you for your support and your clarification.
>
> As a short summary, we also have tested a WebRTC client based on Webkit
> but haven’t yet found the optimal solution, then it would be useful to
> discuss further this issue.
>
> The team has done tests with the JS version for the Kurento Client with
> NodeJS; our idea is to use a single App Server for the master Client and
> all Viewer clients as in the One-To-Many Kurento tutorial (
> http://www.kurento.org/docs/current/tutorials/node/tutorial-3-one2many.html
>  ).
>
> We have not yet found a solution when more Robots can act as master and
> can  transmit video (i.e. we have more than one Master).
>
> We are also waiting feedback from Wirecloud to understand how we may use
> or adapt the Kurento widget.
>
>
>
> The guys of the Robotics team will go through your notes to check your
> proposals and to define technical details if needed.
>
>
>
> Thank you,
>
> Gianmario
>
>
>
>
>
> *Da:* fiware-robotics-bounces at lists.fi-ware.org [mailto:fiware-
> robotics-bounces at lists.fi-ware.org] *Per conto di *Luis López Fernández
> *Inviato:* martedì 30 giugno 2015 13:05
> *A:* Garino Pierangelo
> *Cc:* amagan at conwet.com; Javier Soriano; fdelavega at fi.upm.es;
> fiware-robotics at lists.fi-ware.org; aarranz at fi.upm.es
> *Oggetto:* Re: [Fiware-robotics] Robotics GE live demo - Kurento and
> Wirecloud
>
>
>
> Hi Pier,
>
>
>
> I added several comments in your document answering your questions. In
> general, I think that the general picture is OK from the perspective of
> Kurento and I don't forecast any major problems. The only exception is in
> relation to the WebRTC software to be embedded at the robot. In principle,
> it seems that you are planning to use directly a Chrome browser instance.
> This restricts a lot the type of features you may be capable of accessing
> and this may require human intervention at the robot each time the webcam
> is activated. I thing it should be worthy to discuss about this specific
> item so that all of us are in the same page in relation to the consequences
> of using directly a Chrome instance for that.
>
>
>
> Best regards.
>
>
>
> -----------------------------------------------------------
>
> 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
>
> Tf1: +34 914 888 747
>
> Tf2: + 34 914 888 713
>
>
>
>
>
> El 23/06/2015, a las 12:22, Garino Pierangelo <
> pierangelo.garino at telecomitalia.it> escribió:
>
>
>
> Dear All,
>
>
>
> This message is intended to provide to Kurento and Wirecloud teams further
> details about the robotics live demo we are working on, in order to make it
> clearer what we’d like to achieve, and what should be implemented on their
> side (particularly about wirecloud widgets and dashboard).
>
>
>
> We have prepared a shared document at the following link
> https://docs.google.com/document/d/1a_8dBsoO-E7kaUr6fl3tXgv3Ojt4PMnsSvJwTutyxsg/edit#
> <https://docs.google.com/document/d/1a_8dBsoO-E7kaUr6fl3tXgv3Ojt4PMnsSvJwTutyxsg/edit> which
> refines the description of the live demo (later this doc will merge with
> the workplan description we already shared in the past).
>
>
>
> The document is composed of three parts:
>
> -          The first one (Strep 1: Managing interactively robots) is a
> refinement of live demo deliverable section 4.4.3
>
> -          The second one (Design of step 1: Teleoperation as a Service
> (TaaS)) is more or less the same contents of deliverable section 4.4.4
>
> -          *The third part* (Detailed description (script) of demo
> implementation) *is the most important one*: we took as an example the
> live demo script doc that Javier distributed through the live demo mailing
> lists, which seemed to us a helpful way to provide a detailed description
> of the demo, both for people who will watch it and for implementers of the
> demo itself.
>
>
>
> *We kindly ask Luis, Javier, Alvaro (*well all team members…) to go
> through the description of the demo and provide us a feedback, about
> how/when this can be implemented (is it meaningful/feasible, etc?), giving
> possibly answer to the questions/comments we have written there. With your
> support in linking with Kurento media server and developing specific
> widgets, we’ll be able to ‘complete the picture’ and proceed straight to
> the assembly of all demo parts.
>
>
>
> Many thanks and BR
>
>
>
> Pier
>
>
>
>
>
>
>
> *Da:* fiware-robotics-bounces at lists.fi-ware.org [mailto:fiware-
> robotics-bounces at lists.fi-ware.org] *Per conto di *Colombatto Davide
> *Inviato:* martedì 16 giugno 2015 12:34
> *A:* Luis López Fernández; Javier Soriano; aarranz at fi.upm.es;
> amagan at conwet.com; fdelavega at fi.upm.es
> *Cc:* fiware-robotics at lists.fi-ware.org
> *Oggetto:* [Fiware-robotics] Robotics GE live demo - Kurento and Wirecloud
>
>
>
> Hi Luis and Wirecloud guys,
>
>
>
> We have some doubts about the use of Kurento and Wirecloud widgets for
> Kurento for the Robotics Live Demo.
>
>
>
> 1)      For what concern *Kurento*, in our past tests we tried the
> tutorial
> http://www.kurento.org/docs/current/tutorials/node/tutorial-3-one2many.html where
> it is said that it can be present only one WebRTC-Master and many
> WebRTC-Viewers (i.e. it is created a kind of WebRTC-Room where only one can
> send the video and the others can receive the video).
>
> Starting from this point we think the slide2 at the link
> https://docs.google.com/presentation/d/110H_bSo6QDOgSX9AYxF8fqB7MAoL6Fb_tcnNtIGnBhk/edit#slide=id.p3 depicts
> the Kurento One2Many architecture.
>
> Considering what mentioned above, if we want to use two different robots
> (that act as WebRTC-Masters in order to send video) do we need to use two
> different Kurento Application Servers (that act as Kurento-Clients) or a
> single Kurento Application Server (that acts as Kurento-Client) is able to
> manage multiple robots video transmission?
>
>
>
> 2)      For what concern *Wirecloud widgets for Kurento*, starting from
> the slide2 at the link
> https://docs.google.com/presentation/d/110H_bSo6QDOgSX9AYxF8fqB7MAoL6Fb_tcnNtIGnBhk/edit#slide=id.p3 do
> the Wirecloud widgets act as Viewer1-UbuntuPC, Viewer2-UbuntuPC, … of the
> Kurento One2Many architecture explained above in the point1?
>
> If it is correct, for the Robotics live demo will Wirecloud also host the
> Kurento Application Servers (i.e. a single one or one for each robot that
> act as WebRTC-Master in order to send video) within the Wirecloud
> Application Server as depicted in the slide3 at the link
> https://docs.google.com/presentation/d/110H_bSo6QDOgSX9AYxF8fqB7MAoL6Fb_tcnNtIGnBhk/edit#slide=id.p3
> ?
>
>
>
> Thank you,
>
> Davide
>
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>
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