From 2703bfc2215b6048198b2380e0f3eb9232447e34 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Roberto=20Figli=C3=A8?=
 <88441442+onirob@users.noreply.github.com>
Date: Wed, 17 Jun 2026 12:01:26 +0200
Subject: [PATCH] Fix for midi freeze

Reset midiEventMemoryIndex in AlsaDriver.cpp when starting MIDI processing and when clearing midiEventCount to avoid stale index/state issues while using expression pedals.
---
 src/AlsaDriver.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/AlsaDriver.cpp b/src/AlsaDriver.cpp
index d49a0b3..32f3f58 100644
--- a/src/AlsaDriver.cpp
+++ b/src/AlsaDriver.cpp
@@ -2,6 +2,7 @@
  * MIT License
  *
  * Copyright (c) Robin E.R. Davies
+ * Copyright (c) Roberto Figliè
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
@@ -1681,6 +1682,7 @@ namespace pipedal
             AlsaMidiMessage message;
 
             midiEventCount = 0;
+            midiEventMemoryIndex = 0;
             auto alsaSequener = this->alsaSequencer; // take an addref
             if (!alsaSequener)
             {
@@ -1772,6 +1774,7 @@ namespace pipedal
                         break;
                     }
                     this->midiEventCount = 0;
+                    this->midiEventMemoryIndex = 0;
 
                     // snd_pcm_wait(captureHandle, 1);
                     ssize_t framesToRead = bufferSize;