Sequential PC-MCU is a multithreading server capable of connecting to a set of players and constructing virtual scene with their pointclouds.
PC-MCU is a multithreading server capable of connecting to a set of players and constructing virtual scene with their pointclouds. In order to do so this framework has been divided into three main modules:
1.- Acquisition: This module is devoted the acquisition of frame flows coming from of connected session players. Its main duties are then:
○ Connection to session players. The technology to do so is by means of socket.io technology against an outer orchestrator. ○ Reception of incoming frame flow. Again, we use socket.io as communication technology. ○ Decoding of input frame flow. Current PC-MCU version only deals with cwi codecs but the implementation allow any other codec format assuming there is a conversion between frame formats.
2.-Storage: This module is devoted to the storage of incoming geometry. Every time a new player is connected to PC-MCU a new mcu player is created, which is responsible of processing player events (mainly player position). Each player comes with a geometry container which stores a fixed number of last frames. Because current codec implementation demmands wolrd coordinates, this geometry container stores transformed geometry into world coordinates.
3.-Scene Builiding: Every player (consumer) is attached to a scene builder, which is in charge of of collecting latest received frames of each visible player. For doing so we have the following steps:
○ Resove visble players: given a set of session players, resolve those who are i nsight given a frustrum that characterizes our camera. ○ Collect the latest frame of each visible player. Perform a fusion of the geometry set. ○ Encode the resulting scene.# Pre-requisites
The following are the main highlights within PC-MCU:
● This system runs in Windows and Linux OS (has been tested under Windows10 and Ubuntu 12.0 LTS) ● It depends upon a running session orchestrator against which it stablishes a socket.io connection. ● Depends on a set of external libraries self contained inside the bundle. ● It is build using cmake and Visual studio for Windows and gcc for linux. ● The main programming language employed is C++ for binary and Perl for scripts. ● The main framework employed is CWI pointcloud compression library and its dependencies.
In order to generate PC-MCU project, you need CMake 3.13 or newer. You can download the latest version at this link:
https://cmake.org/download/[](https://github.com/jaumeMA/ddk#installing-perl)
Just launch the installer and follow the instructions. Installing Perl
In order to generate CMake scripts, you need Perl. You can download the latest version at ActiveState website:
Just launch the installer and follow the instructions.# Technical description (molt bàsica)
This code has been developed within the research / innovation project CISCO XR-MCU.
This project has received funding from the CISCO research Gifts program In the following link you'll find some information about the program: https://research.cisco.com/research-gifts
This code has been developed by Fundació Privada Internet i Innovació Digital a Catalunya (i2CAT). i2CAT is a non-profit research and innovation centre that promotes mission-driven knowledge to solve business challenges, co-create solutions with a transformative impact, empower citizens through open and participative digital social innovation with territorial capillarity, and promote pioneering and strategic initiatives. i2CAT aims to transfer research project results to private companies in order to create social and economic impact via the out-licensing of intellectual property and the creation of spin-offs. Find more information of i2CAT projects and IP rights at https://i2cat.net/tech-transfer/
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