From 59ac52f11301ec8c43446fc164603909fc912dee Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 24 Nov 2021 10:27:24 -0700
Subject: [PATCH] libardour: provide Processor::check_active() as a standard
 way to handle Processor::_{pending_,}active

---
 libs/ardour/ardour/processor.h |  1 +
 libs/ardour/processor.cc       | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/libs/ardour/ardour/processor.h b/libs/ardour/ardour/processor.h
index a1c194d502..a15ecdedcc 100644
--- a/libs/ardour/ardour/processor.h
+++ b/libs/ardour/ardour/processor.h
@@ -161,6 +161,7 @@ protected:
 	virtual XMLNode& state ();
 	virtual int set_state_2X (const XMLNode&, int version);
 
+	bool check_active ();
 	bool map_loop_range (samplepos_t& start, samplepos_t& end) const;
 
 	int       _pending_active;
diff --git a/libs/ardour/processor.cc b/libs/ardour/processor.cc
index 2d6a78c198..ec0e3375f1 100644
--- a/libs/ardour/processor.cc
+++ b/libs/ardour/processor.cc
@@ -332,3 +332,18 @@ Processor::owner() const
 {
 	return _owner;
 }
+
+bool
+Processor::check_active ()
+{
+	if (_active) {
+		if (!_pending_active) {
+			_active = false;
+		}
+	} else {
+		if (_pending_active) {
+			_active = true;
+		}
+	}
+	return _active;
+}