From 5eadd891d9fcdf14e0822539c9e467f83e40bc92 Mon Sep 17 00:00:00 2001
From: Pete Brown <pete.brown@microsoft.com>
Date: Mon, 17 Feb 2025 04:44:34 -0500
Subject: [PATCH] Naming fixes

---
 src/api/Inc/midi_naming.h | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/src/api/Inc/midi_naming.h b/src/api/Inc/midi_naming.h
index 98b24af3..6f37d1d5 100644
--- a/src/api/Inc/midi_naming.h
+++ b/src/api/Inc/midi_naming.h
@@ -178,17 +178,28 @@ namespace WindowsMidiServicesInternal::Midi1PortNaming
         }
 
 
-        // this is the fallback
+        // this is the fallback. This needs better calculation to better support block name
 
         std::wstring name;
 
-        if (!transportSuppliedEndpointName.empty() && blockName != transportSuppliedEndpointName)
+        if (!transportSuppliedEndpointName.empty())
         {
-            name = internal::TrimmedWStringCopy(transportSuppliedEndpointName + L" " + blockName);
+            if (auto pos = blockName.find(transportSuppliedEndpointName); pos != std::wstring::npos)
+            {
+                name = internal::TrimmedWStringCopy(transportSuppliedEndpointName + L" " + internal::TrimmedWStringCopy(blockName.substr(pos + transportSuppliedEndpointName.length())));
+            }
+            else
+            {
+                name = internal::TrimmedWStringCopy(transportSuppliedEndpointName + L" " + blockName);
+            }
         }
-        else
+        else if (!blockName.empty())
         {
-            name = transportSuppliedEndpointName;
+            name = blockName;
+        }
+        else if (!parentDeviceName.empty())
+        {
+            name = parentDeviceName;
         }
 
         return truncateToWinMMLimit ? name.substr(0, MAXPNAMELEN - 1) : name;