From 39837c0528128040c865195713fb37d41eab5067 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 30 Mar 2016 04:56:40 +0200
Subject: [PATCH] debug print match method

---
 libs/ardour/ardour/plugin_insert.h | 30 ++++++++++++++++--------------
 libs/ardour/plugin_insert.cc       | 26 +++++++++++++++++++++++++-
 2 files changed, 41 insertions(+), 15 deletions(-)

diff --git a/libs/ardour/ardour/plugin_insert.h b/libs/ardour/ardour/plugin_insert.h
index 12c8d94725..1441dfadb0 100644
--- a/libs/ardour/ardour/plugin_insert.h
+++ b/libs/ardour/ardour/plugin_insert.h
@@ -219,6 +219,20 @@ class LIBARDOUR_API PluginInsert : public Processor
 		Hide,        ///< we `hide' some of the plugin's inputs by feeding them silence
 	};
 
+	/** Description of how we can match our plugin's IO to our own insert IO */
+	struct Match {
+		Match () : method (Impossible), plugins (0), strict_io (false), custom_cfg (false) {}
+		Match (MatchingMethod m, int32_t p,
+				bool strict = false, bool custom = false, ChanCount h = ChanCount ())
+			: method (m), plugins (p), hide (h), strict_io (strict), custom_cfg (custom) {}
+
+		MatchingMethod method; ///< method to employ
+		int32_t plugins;       ///< number of copies of the plugin that we need
+		ChanCount hide;        ///< number of channels to hide
+		bool strict_io;        ///< force in == out
+		bool custom_cfg;       ///< custom config (if not strict)
+	};
+
   private:
 	/* disallow copy construction */
 	PluginInsert (const PluginInsert&);
@@ -250,20 +264,6 @@ class LIBARDOUR_API PluginInsert : public Processor
 	bool _custom_cfg;
 	bool _pending_no_inplace;
 
-	/** Description of how we can match our plugin's IO to our own insert IO */
-	struct Match {
-		Match () : method (Impossible), plugins (0), strict_io (false), custom_cfg (false) {}
-		Match (MatchingMethod m, int32_t p,
-				bool strict = false, bool custom = false, ChanCount h = ChanCount ())
-			: method (m), plugins (p), hide (h), strict_io (strict), custom_cfg (custom) {}
-
-		MatchingMethod method; ///< method to employ
-		int32_t plugins;       ///< number of copies of the plugin that we need
-		ChanCount hide;        ///< number of channels to hide
-		bool strict_io;        ///< force in == out
-		bool custom_cfg;       ///< custom config (if not strict)
-	};
-
 	Match private_can_support_io_configuration (ChanCount const &, ChanCount &) const;
 	Match automatic_can_support_io_configuration (ChanCount const &, ChanCount &) const;
 
@@ -291,4 +291,6 @@ class LIBARDOUR_API PluginInsert : public Processor
 
 } // namespace ARDOUR
 
+std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m);
+
 #endif /* __ardour_plugin_insert_h__ */
diff --git a/libs/ardour/plugin_insert.cc b/libs/ardour/plugin_insert.cc
index 267dd23dbf..0206941235 100644
--- a/libs/ardour/plugin_insert.cc
+++ b/libs/ardour/plugin_insert.cc
@@ -909,6 +909,9 @@ PluginInsert::configure_io (ChanCount in, ChanCount out)
 
 	/* get plugin configuration */
 	_match = private_can_support_io_configuration (in, out);
+#ifndef NDEBUG // XXX
+	cout << "Match '" << name() << "': " << _match;
+#endif
 
 	/* set the matching method and number of plugins that we will use to meet this configuration */
 	if (set_count (_match.plugins) == false) {
@@ -1020,7 +1023,7 @@ PluginInsert::configure_io (ChanCount in, ChanCount out)
 
 	if (mapping_changed) {
 		PluginMapChanged (); /* EMIT SIGNAL */
-#ifndef NDEBUG
+#ifndef NDEBUG // XXX
 		uint32_t pc = 0;
 		cout << "----<<----\n";
 		for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i, ++pc) {
@@ -1993,3 +1996,24 @@ PluginInsert::end_touch (uint32_t param_id)
                 ac->stop_touch (true, session().audible_frame());
         }
 }
+
+std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m)
+{
+	switch (m.method) {
+		case PluginInsert::Impossible: o << "Impossible"; break;
+		case PluginInsert::Delegate:   o << "Delegate"; break;
+		case PluginInsert::NoInputs:   o << "NoInputs"; break;
+		case PluginInsert::ExactMatch: o << "ExactMatch"; break;
+		case PluginInsert::Replicate:  o << "Replicate"; break;
+		case PluginInsert::Split:      o << "Split"; break;
+		case PluginInsert::Hide:       o << "Hide"; break;
+	}
+	o << " cnt: " << m.plugins
+		<< (m.strict_io ? " strict-io" : "")
+		<< (m.custom_cfg ? " custom-cfg" : "");
+	if (m.method == PluginInsert::Hide) {
+		o << " hide: " << m.hide;
+	}
+	o << "\n";
+	return o;
+}
-- 
2.30.2