libmp4v2: libmp4v2 (lib/tools to read and manipulate the mp4 container format) libmp4v2: libmp4v2: It contains only code to read and manipulate the mp4 container libmp4v2: format and is free from patent issues to the best of my knowledge. libmp4v2: libmp4v2: libmp4v2 used to be part of the mpeg4ip library but has been moved into libmp4v2: its own maintained library due to a combination of the cessation of libmp4v2: support of mpeg4ip and the usefulness of this library on its own. libmp4v2: