From 7c9f8fcbf2e6cce0a857b667410c3a658c175b7f Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 13 May 2021 21:34:12 -0600
Subject: [PATCH] remove unused Source::SourcePropertyChanged signal

---
 libs/ardour/ardour/source.h |  2 --
 libs/ardour/disk_writer.cc  |  3 ---
 libs/ardour/region.cc       |  1 -
 libs/ardour/source.cc       | 10 ----------
 4 files changed, 16 deletions(-)

diff --git a/libs/ardour/ardour/source.h b/libs/ardour/ardour/source.h
index 70990f6f2a..919ac10913 100644
--- a/libs/ardour/ardour/source.h
+++ b/libs/ardour/ardour/source.h
@@ -136,8 +136,6 @@ public:
 	void set_captured_for (std::string str) { _captured_for = str; }
 	std::string captured_for() const { return _captured_for; }
 
-	static PBD::Signal1<void,boost::shared_ptr<ARDOUR::Source> > SourcePropertyChanged;
-
   protected:
 	DataType          _type;
 	Flag              _flags;
diff --git a/libs/ardour/disk_writer.cc b/libs/ardour/disk_writer.cc
index 8121a00056..8583431cc2 100644
--- a/libs/ardour/disk_writer.cc
+++ b/libs/ardour/disk_writer.cc
@@ -1191,9 +1191,6 @@ DiskWriter::transport_stopped_wallclock (struct tm& when, time_t twhen, bool abo
 
 		(*chan)->write_source->stamp (twhen);
 		(*chan)->write_source->set_captured_xruns (capture_info.front()->xruns);
-
-		/* "re-announce the source to the world */
-		Source::SourcePropertyChanged ((*chan)->write_source);
 	}
 
 
diff --git a/libs/ardour/region.cc b/libs/ardour/region.cc
index 88a6eb5d6d..dec42c4e90 100644
--- a/libs/ardour/region.cc
+++ b/libs/ardour/region.cc
@@ -1598,7 +1598,6 @@ Region::set_master_sources (const SourceList& srcs)
 
 	for (SourceList::const_iterator i = _master_sources.begin (); i != _master_sources.end(); ++i) {
 		(*i)->inc_use_count ();
-//		Source::SourcePropertyChanged( *i );
 	}
 }
 
diff --git a/libs/ardour/source.cc b/libs/ardour/source.cc
index 0e4290fc21..1fd8595b70 100644
--- a/libs/ardour/source.cc
+++ b/libs/ardour/source.cc
@@ -58,8 +58,6 @@ using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
 
-PBD::Signal1<void,boost::shared_ptr<ARDOUR::Source> > Source::SourcePropertyChanged;
-
 
 Source::Source (Session& s, DataType type, const string& name, Flag flags)
 	: SessionObject(s, name)
@@ -354,13 +352,6 @@ void
 Source::inc_use_count ()
 {
     g_atomic_int_inc (&_use_count);
-
-    try {
-	    boost::shared_ptr<Source> sptr = shared_from_this();
-	    SourcePropertyChanged (sptr);
-    } catch (...) {
-	    /* no shared_ptr available, relax; */
-    }
 }
 
 void
@@ -379,7 +370,6 @@ Source::dec_use_count ()
 
 	try {
 		boost::shared_ptr<Source> sptr = shared_from_this();
-		SourcePropertyChanged (sptr);
 	} catch (...) {
 		/* no shared_ptr available, relax; */
 	}