libgpac4 0.5.2-426-gc5ad4e4+dfsg5-4ubuntu1 (amd64 binary) in ubuntu disco

 GPAC stands for GPAC Project on Advanced Content (a recursive acronym). It is
 an Open Source multimedia framework for research and academic purposes. The
 project covers different aspects of multimedia, with a focus on presentation
 technologies (graphics, animation and interactivity).
 .
 This package contains the shared libraries used at runtime in depending
 packages.