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A thin swift layer over CoreMidi
.package(url: "https://github.com/moosefactory/SwiftMIDI.git", from: "1.0.2")


SwiftMIDI adds a swifty syntaxic sugar to make CoreMidi a bit less bitter.

The main purpose of this framework is to

  • Replace calls returning OSStatus by throwing function
  • Replace UnsafeMutablePointer output parameters by classic function results
  • Few syntax changes in function names
func findMidiThruConnections(owner: String) throws -> [MIDIThruConnectionRef]?

instead of

func MIDIThruConnectionFind(_ inPersistentOwnerID: CFString, _ outConnectionList: UnsafeMutablePointer<Unmanaged<CFData>>) -> OSStatus

SwiftMIDI is a simple framework that does only wrap principal CoreMIDI functions, and add few logic and definitions for common midi operations.


The SwiftMIDICenter framework adding some more system oriented features like storage and configurations management.


You can see both working in a sample project developed in SwiftUI : SwiftMidiCenter App




SwiftMIDI is distributed as a Swift Package


Tristan Leblanc tristan@moosefactory.eu

MooseFactory Software


SwiftMIDI is available under the MIT license. See the LICENSE file for more info.


First Commit: v1.0.0 : 2021-01-01 at Midnight, Paris Time. Happy New Year :)


Stars: 4
Last commit: 1 week ago

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iOS Software Engineer @ Perry Street Software
Perry Street Software is Jack’d and SCRUFF. We are two of the world’s largest gay, bi, trans and queer social dating apps on iOS and Android. Our brands reach more than 20 million members worldwide so members can connect, meet and express themselves on a platform that prioritizes privacy and security. We invest heavily into SwiftUI and using Swift Packages to modularize the codebase.

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