slackbuilds/libraries/portsmf

Portsmf is Port Standard MIDI File, a cross-platform, C++ library for
reading and writing Standard MIDI Files.

Features:
- input and output of Standard MIDI Files
- input and output of a text-based representation: Allegro files
- extensive editing operations on sequences and tracks
- conversion to/from binary buffers for archiving, undo/redo, etc.