%version-entities; ]> for GStreamer Library &GST_API_VERSION; (&GST_VERSION;) The latest version of this documentation can be found on-line at http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-libs/html/. To ease the creation of plugins, a library system was created. The most common functions for a plugin can be found in a library. GStreamer provides some standard libraries you can use to create plugins. libgstbase-&GST_API_VERSION;.so provides some base classes to be extended by elements and utility classes that are most useful for plugin developers. libgstcontroller-&GST_API_VERSION;.so provides functionality to animate element properties over time. libgstnet-&GST_API_VERSION;.so provides network elements and objects. libgstcheck-&GST_API_VERSION;.so provides functionality for writing unit tests that use the check framework.