From 4048bcc6b614c70a8bfb4b7288d0625e0d0d8822 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 9 Mar 2022 17:47:13 +0100
Subject: [PATCH] Fix crash when freezing track

The freeze threads needs a thread-local tempo-map to call
Route::bounce_process which runs processors.
---
 gtk2_ardour/editor_ops.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index b1a06b8c23..f7dcd7b3e1 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -4022,6 +4022,7 @@ Editor::_freeze_thread (void* arg)
 void*
 Editor::freeze_thread ()
 {
+	TempoMap::SharedPtr tmap (TempoMap::fetch());
 	/* create event pool because we may need to talk to the session */
 	SessionEvent::create_per_thread_pool ("freeze events", 64);
 	/* create per-thread buffers for process() tree to use */