__            __     __      
    ___ / /  __ _  ___/ /__ _/ /____ _
   (_-</ _ \/  ' \/ _  / _ `/ __/ _ `/
  /___/_//_/_/_/_/\_,_/\_,_/\__/\_,_/ 

Library to share flows of data frames between processes via shared memory. shmdata can be compared to the JACK audio connection kit project or to the VideoJack project. shmdata, however, does not provide a host server and require applications to link data streams using socket path (e.g. "/tmp/my_shmdata_stream"). Note that shmdata followers and writers can hot connect/disconnect/reconnect/... and that a shared memory supports a single writer with multiple readers.

shmdata is currently used in several metalab projects:

• switcher (http://code.sat.qc.ca/redmine/projects/switcher/wiki)
• splash (http://code.sat.qc.ca/redmine/projects/splash)
• posturevision (http://code.sat.qc.ca/redmine/projects/kinectvision/wiki/)
• scenic (http://code.sat.qc.ca/redmine/projects/scenic/wiki)

License: LGPL

Project URL: http://code.sat.qc.ca/redmine/projects/libshmdata

Here is how to build and install it on Debian GNU/Linux or Ubuntu::

$ sudo apt install cmake bison build-essential flex libtool
$ # this is only for building gstreamer plugins:
$ sudo apt-get install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev
$ # this is for building python wrappers 
$ sudo apt-get install python3-dev
$ mkdir build
$ cd build
$ cmake ..
$ make
$ sudo make install
$ sudo ldconfig

• To run the tests

    make test
  

• To generate installation packages (as configured in CMakeLists.txt)

    make package
  

• To generate a source package

    make package_source
  

• To test the source package, this will create the source package and then try to build and test it

    make package_source_test
  

• Install homebrew

    /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
  

• Install dependencies

    brew install cmake pkg-config gstreamer gst-plugins-base python3
  

• Build & Install

    mkdir build
    cd build
    cmake ..
    make
    sudo make install
  

• If you are using homebrew to install dependencies and encountering errors about -lintl, you have to brew link gettext

see git history