From ae9f7b45c8fc80df08d85df029eebcd903a2d2fd Mon Sep 17 00:00:00 2001
From: Paulius Uza <pauliusuza@gmail.com>
Date: Mon, 12 Jan 2026 13:40:45 +0200
Subject: [PATCH] Add AllNotesOff (CC 123) handling in MIDI.h

Implement handling for AllNotesOff event to clear active voices.
---
 runtime/elem/builtins/MIDI.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/runtime/elem/builtins/MIDI.h b/runtime/elem/builtins/MIDI.h
index d42191ab..f8eb59f5 100644
--- a/runtime/elem/builtins/MIDI.h
+++ b/runtime/elem/builtins/MIDI.h
@@ -75,6 +75,12 @@ namespace elem
                         voiceMap[voiceIndex].lastModified = steadyClock + time;
                     }
                 }
+
+                if (event.message.isAllNotesOff())
+				{
+                    // Clear all voices on CC123 AllNotesOff
+					voiceMap.empty();
+				}
             });
 
             steadyClock += ctx.numSamples;