plug some memory leaks in libardour

libs/ardour/audioengine.cc

@@ -114,6 +114,7 @@ AudioEngine::~AudioEngine ()
 	for (BackendMap::const_iterator i = _backends.begin(); i != _backends.end(); ++i) {
 		i->second->deinstantiate();
 	}
+	delete _main_thread;
 }
 
 AudioEngine*
@@ -1234,6 +1235,7 @@ AudioEngine::thread_init_callback (void* arg)
 	AsyncMIDIPort::set_process_thread (pthread_self());
 
 	if (arg) {
+		delete AudioEngine::instance()->_main_thread;
 		/* the special thread created/managed by the backend */
 		AudioEngine::instance()->_main_thread = new ProcessThread;
 	}

libs/ardour/auditioner.cc

@@ -85,13 +85,17 @@ Auditioner::init ()
 
 Auditioner::~Auditioner ()
 {
+	if (asynth) {
+		asynth->drop_references ();
+	}
+	asynth.reset ();
 }
 
 void
 Auditioner::lookup_synth ()
 {
 	string plugin_id = Config->get_midi_audition_synth_uri();
-	asynth = boost::shared_ptr<Processor>();
+	asynth.reset ();
 	if (!plugin_id.empty()) {
 		boost::shared_ptr<Plugin> p;
 		p = find_plugin (_session, plugin_id, ARDOUR::LV2);

libs/ardour/graph.cc

@@ -412,15 +412,16 @@ Graph::helper_thread()
 	ProcessThread* pt = new ProcessThread ();
 	resume_rt_malloc_checks ();
 
-        pt->get_buffers();
+	pt->get_buffers();
 
-        while(1) {
-                if (run_one()) {
-                        break;
-                }
-        }
+	while(1) {
+		if (run_one()) {
+			break;
+		}
+	}
 
-        pt->drop_buffers();
+	pt->drop_buffers();
+	delete pt;
 }
 
 /** Here's the main graph thread */
@@ -431,35 +432,35 @@ Graph::main_thread()
 	ProcessThread* pt = new ProcessThread ();
 	resume_rt_malloc_checks ();
 
-        pt->get_buffers();
+	pt->get_buffers();
 
-  again:
-        _callback_start_sem.wait ();
+again:
+	_callback_start_sem.wait ();
 
 	DEBUG_TRACE(DEBUG::ProcessThreads, "main thread is awake\n");
 
-        if (!_threads_active) {
-                return;
-        }
+	if (!_threads_active) {
+		return;
+	}
 
 	prep ();
 
-        if (_graph_empty && _threads_active) {
-                _callback_done_sem.signal ();
-                DEBUG_TRACE(DEBUG::ProcessThreads, "main thread sees graph done, goes back to sleep\n");
-                goto again;
-        }
+	if (_graph_empty && _threads_active) {
+		_callback_done_sem.signal ();
+		DEBUG_TRACE(DEBUG::ProcessThreads, "main thread sees graph done, goes back to sleep\n");
+		goto again;
+	}
 
 	/* This loop will run forever */
-        while (1) {
+	while (1) {
 		DEBUG_TRACE(DEBUG::ProcessThreads, "main thread runs one graph node\n");
-                if (run_one()) {
-                        break;
-                }
-        }
+		if (run_one()) {
+			break;
+		}
+	}
 
-        pt->drop_buffers();
-        delete (pt);
+	pt->drop_buffers();
+	delete (pt);
 }
 
 void

libs/ardour/lv2_plugin.cc

@@ -808,6 +808,7 @@ LV2Plugin::~LV2Plugin ()
 #endif
 
 	free(_features);
+	free(_log_feature.data);
 	free(_make_path_feature.data);
 	free(_work_schedule_feature.data);
 
@@ -828,6 +829,7 @@ LV2Plugin::~LV2Plugin ()
 	delete [] _shadow_data;
 	delete [] _defaults;
 	delete [] _ev_buffers;
+	delete _impl;
 }
 
 bool

libs/ardour/processor.cc

@@ -126,6 +126,8 @@ Processor::state (bool full_state)
 		XMLNode& automation = Automatable::get_automation_xml_state();
 		if (!automation.children().empty() || !automation.properties().empty()) {
 			node->add_child_nocopy (automation);
+		} else {
+			delete &automation;
 		}
 	}
 

libs/ardour/session.cc

@@ -101,6 +101,7 @@
 #include "ardour/source_factory.h"
 #include "ardour/speakers.h"
 #include "ardour/tempo.h"
+#include "ardour/ticker.h"
 #include "ardour/track.h"
 #include "ardour/user_bundle.h"
 #include "ardour/utils.h"
@@ -306,6 +307,7 @@ Session::Session (AudioEngine &eng,
 	,  _speakers (new Speakers)
 	, _order_hint (-1)
 	, ignore_route_processor_changes (false)
+	, midi_clock (0)
 	, _scene_changer (0)
 	, _midi_ports (0)
 	, _mmc (0)
@@ -739,6 +741,7 @@ Session::destroy ()
 	delete _midi_ports; _midi_ports = 0;
 	delete _locations; _locations = 0;
 
+	delete midi_clock;
 	delete _tempo_map;
 
 	DEBUG_TRACE (DEBUG::Destruction, "Session::destroy() done\n");

libs/ardour/session_state.cc

@@ -251,6 +251,7 @@ Session::post_engine_init ()
 
 		/* MidiClock requires a tempo map */
 
+		delete midi_clock;
 		midi_clock = new MidiClockTicker ();
 		midi_clock->set_session (this);
 

tools/luadevel/luasession.cc

@@ -395,6 +395,7 @@ int main (int argc, char **argv)
 		event_loop->run();
 		free (line);
 	}
+	free (line);
 	printf ("\n");
 
 	if (_session) {