From f696086892c10dedfc5ad785c4a597111030cf7f Mon Sep 17 00:00:00 2001
From: SolfaMode <JoergGarbers@web.de>
Date: Sun, 29 Sep 2024 16:17:21 +0200
Subject: [PATCH] Remove destinationProtocolId, because CoreMIDI translates
 MIDI2.0 <=> MIDI 1.0, if necessary.

---
 .../internal/platform/osx/coremidioutport.cpp   | 17 -----------------
 .../internal/platform/osx/coremidioutport.h     |  1 -
 2 files changed, 18 deletions(-)

diff --git a/src/framework/midi/internal/platform/osx/coremidioutport.cpp b/src/framework/midi/internal/platform/osx/coremidioutport.cpp
index a3269c25785bb..073b2aacc3bdf 100644
--- a/src/framework/midi/internal/platform/osx/coremidioutport.cpp
+++ b/src/framework/midi/internal/platform/osx/coremidioutport.cpp
@@ -48,7 +48,6 @@ struct muse::midi::CoreMidiOutPort::Core {
     MIDIClientRef client = 0;
     MIDIPortRef outputPort = 0;
     MIDIEndpointRef destinationId = 0;
-    MIDIProtocolID destinationProtocolId = kMIDIProtocol_1_0;
     int deviceID = -1;
 };
 
@@ -81,15 +80,6 @@ void CoreMidiOutPort::deinit()
     }
 }
 
-void CoreMidiOutPort::getDestinationProtocolId()
-{
-    if (__builtin_available(macOS 11.0, *)) {
-        SInt32 protocol = 0;
-        OSStatus err = MIDIObjectGetIntegerProperty(m_core->destinationId, kMIDIPropertyProtocolID, &protocol);
-        m_core->destinationProtocolId = err == noErr ? (MIDIProtocolID)protocol : kMIDIProtocol_1_0;
-    }
-}
-
 void CoreMidiOutPort::initCore()
 {
     OSStatus result;
@@ -141,11 +131,6 @@ void CoreMidiOutPort::initCore()
             if (CFStringCompare(propertyChangeNotification->propertyName, kMIDIPropertyDisplayName, 0) == kCFCompareEqualTo
                 || CFStringCompare(propertyChangeNotification->propertyName, kMIDIPropertyName, 0) == kCFCompareEqualTo) {
                 self->availableDevicesChanged().notify();
-            } else if (__builtin_available(macOS 11.0, *)) {
-                if (CFStringCompare(propertyChangeNotification->propertyName, kMIDIPropertyProtocolID, 0) == kCFCompareEqualTo
-                    && self->isConnected() && propertyChangeNotification->object == self->m_core->destinationId) {
-                    self->getDestinationProtocolId();
-                }
             }
         } break;
 
@@ -247,8 +232,6 @@ Ret CoreMidiOutPort::connect(const MidiDeviceID& deviceID)
 
         m_core->deviceID = std::stoi(deviceID);
         m_core->destinationId = (MIDIEndpointRef)obj;
-
-        getDestinationProtocolId();
     }
 
     m_deviceID = deviceID;
diff --git a/src/framework/midi/internal/platform/osx/coremidioutport.h b/src/framework/midi/internal/platform/osx/coremidioutport.h
index 5f5d27e22b52b..fddb815d1cfa6 100644
--- a/src/framework/midi/internal/platform/osx/coremidioutport.h
+++ b/src/framework/midi/internal/platform/osx/coremidioutport.h
@@ -56,7 +56,6 @@ class CoreMidiOutPort : public IMidiOutPort
 
 private:
     void initCore();
-    void getDestinationProtocolId();
 
     struct Core;
     std::unique_ptr<Core> m_core;