The mp4v2 library provides an API to create and modify mp4 files as defined by ISO-IEC:14496-1:2001 MPEG-4 Systems. mp4v2 used to be part of the mpeg4ip library.
The mp4v2 library provides an API to create and modify mp4 files as defined by ISO-IEC:14496-1:2001 MPEG-4 Systems. mp4v2 used to be part of the mpeg4ip library.
To install mp4v2, run the following command in macOS terminal (Applications->Utilities->Terminal)
sudo port install mp4v2
To see what files were installed by mp4v2, run:
port contents mp4v2
To later upgrade mp4v2, run:
sudo port selfupdate && sudo port upgrade mp4v2
Reporting an issue on MacPorts Trac
The MacPorts Project uses a system called Trac to file tickets to report bugs and enhancement requests.
Though anyone may search Trac for tickets, you must have a GitHub account in order to login to Trac to create tickets.