portmidi: portmidi (cross-platform library for realtime MIDI I/O) portmidi: portmidi: PortMidi is a platform-independent library for real-time portmidi: MIDI input/output. portmidi: portmidi: portmidi: portmidi: portmidi: portmidi: portmidi home: https://github.com/PortMidi/portmidi portmidi: