From 74c64270c34b268c6f9cab37b7132e60d1303325 Mon Sep 17 00:00:00 2001
From: MBMS <31241793+MyBlackMIDIScore@users.noreply.github.com>
Date: Fri, 16 Aug 2024 10:50:36 +0300
Subject: [PATCH] Optimize program switching (#89)

---
 core/src/channel/mod.rs | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/core/src/channel/mod.rs b/core/src/channel/mod.rs
index 1a8bb26..67fa4b9 100644
--- a/core/src/channel/mod.rs
+++ b/core/src/channel/mod.rs
@@ -288,6 +288,10 @@ impl VoiceChannel {
             key.data.render_to(&mut key.audio_cache);
         }
 
+        self.params
+            .channel_sf
+            .change_program(self.control_event_data.bank, self.control_event_data.preset);
+
         out.fill(0.0);
         match self.threadpool.as_ref() {
             Some(pool) => {
@@ -336,10 +340,6 @@ impl VoiceChannel {
                     // Bank select
                     if !self.options.drums_only {
                         self.control_event_data.bank = value;
-                        self.params.channel_sf.change_program(
-                            self.control_event_data.bank,
-                            self.control_event_data.preset,
-                        );
                     }
                 }
                 0x64 => {
@@ -570,10 +570,6 @@ impl VoiceChannel {
                     }
                     ChannelAudioEvent::ProgramChange(preset) => {
                         self.control_event_data.preset = preset;
-                        self.params.channel_sf.change_program(
-                            self.control_event_data.bank,
-                            self.control_event_data.preset,
-                        );
                     }
                 },
                 ChannelEvent::Config(config) => self.params.process_config_event(config),