From 031286f1a1c23ffb7dd8eca1708115a0367bd22d Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Mon, 22 Feb 2016 10:16:04 -0500
Subject: [PATCH] add a clarifying comment about threading/GUI for
 normalization

---
 gtk2_ardour/normalize_dialog.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gtk2_ardour/normalize_dialog.cc b/gtk2_ardour/normalize_dialog.cc
index 9872bcbc35..308328538c 100644
--- a/gtk2_ardour/normalize_dialog.cc
+++ b/gtk2_ardour/normalize_dialog.cc
@@ -95,6 +95,10 @@ NormalizeDialog::target () const
 void
 NormalizeDialog::update_progress_gui (float p)
 {
+	/* Normalization is run inside the GUI thread, so we can directly
+	 * update the progress bar when notified about progress.
+	 */
+
 	_progress_bar->set_fraction (p);
 }