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Opens an input device.

Component Version macOS Windows Linux Server iOS SDK
PortMidi 4.2 ✅ Yes ✅ Yes ❌ No ❌ No ❌ No
MBS( "PortMidi.OpenInput"; DeviceID { ; BufferSize; Latency } )   More


Parameter Description Example Flags
DeviceID The device ID, a number from 0 to PortMidi.DeviceCount-1. 0
BufferSize Optional, number of events to buffer. Default is 100 if you don't pass this parameter. 0 Optional
Latency The desired latency. By default 0 is used which means no latency. 0 Optional


Returns StreamRef or error.


Opens an input device.
Midi reference numbers are starting at 17000 and counting up for each new midi stream.

See also

Example Databases

This function checks for a license.

Created 18th August 2014, last changed 9th January 2015

PortMidi.List - PortMidi.OpenOutput