From 731daf4ab899ad650382d5ffe4afe66e8d3f37d9 Mon Sep 17 00:00:00 2001
From: Jean Pierre Cimalando <jp-dev@inbox.ru>
Date: Fri, 26 Mar 2021 13:13:59 +0100
Subject: [PATCH] Fix to SfzFilter after changing channel count

---
 src/sfizz/SfzFilter.cpp | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/sfizz/SfzFilter.cpp b/src/sfizz/SfzFilter.cpp
index 03381887..dd11b9db 100644
--- a/src/sfizz/SfzFilter.cpp
+++ b/src/sfizz/SfzFilter.cpp
@@ -154,8 +154,15 @@ void Filter::setChannels(unsigned channels)
 {
     ASSERT(channels <= Impl::maxChannels);
     if (P->fChannels != channels) {
+        sfzFilterDsp *dsp = P->getDsp(P->fChannels, P->fType);
+        if (dsp)
+            dsp->~sfzFilterDsp();
+
         P->fChannels = channels;
-        clear();
+
+        dsp = P->newDsp(channels, P->fType);
+        if (dsp)
+            dsp->init(P->fSampleRate);
     }
 }
 
@@ -346,8 +353,15 @@ void FilterEq::setChannels(unsigned channels)
 {
     ASSERT(channels <= Impl::maxChannels);
     if (P->fChannels != channels) {
+        sfzFilterDsp *dsp = P->getDsp(P->fChannels, P->fType);
+        if (dsp)
+            dsp->~sfzFilterDsp();
+
         P->fChannels = channels;
-        clear();
+
+        dsp = P->newDsp(channels, P->fType);
+        if (dsp)
+            dsp->init(P->fSampleRate);
     }
 }