Broadcast polyphony changes to clients.

Fix some (not all) crashes on polyphony change.


git-svn-id: http://svn.drobilla.net/lad/ingen@725 a436a847-0d15-0410-975c-d299462d15a1

8 files changed, 35 insertions, 6 deletions

diff --git a/src/libs/engine/ClientBroadcaster.cpp b/src/libs/engine/ClientBroadcaster.cpp
index 5023b2e0..0a98c05c 100644
--- a/src/libs/engine/ClientBroadcaster.cpp
+++ b/src/libs/engine/ClientBroadcaster.cpp
@@ -229,6 +229,14 @@ ClientBroadcaster::send_patch_disable(const string& patch_path)
 }
 
 
+void
+ClientBroadcaster::send_patch_polyphony(const string& patch_path, uint32_t poly)
+{
+	for (Clients::const_iterator i = _clients.begin(); i != _clients.end(); ++i)
+		(*i).second->patch_polyphony(patch_path, poly);
+}
+
+
 /** Send notification of a metadata update.
  *
  * Like control changes, does not send update to client that set the metadata, if applicable.
diff --git a/src/libs/engine/ClientBroadcaster.hpp b/src/libs/engine/ClientBroadcaster.hpp
index 40fef365..1c1217bc 100644
--- a/src/libs/engine/ClientBroadcaster.hpp
+++ b/src/libs/engine/ClientBroadcaster.hpp
@@ -81,6 +81,7 @@ public:
 	void send_all_objects();
 	void send_patch_enable(const string& patch_path);
 	void send_patch_disable(const string& patch_path);
+	void send_patch_polyphony(const string& patch_path, uint32_t poly);
 	void send_metadata_update(const string& node_path, const string& key, const Raul::Atom& value);
 	void send_control_change(const string& port_path, float value);
 	void send_program_add(const string& node_path, int bank, int program, const string& name);
diff --git a/src/libs/engine/LV2Node.cpp b/src/libs/engine/LV2Node.cpp
index 8e2e9b81..8ecd00b7 100644
--- a/src/libs/engine/LV2Node.cpp
+++ b/src/libs/engine/LV2Node.cpp
@@ -63,7 +63,7 @@ LV2Node::prepare_poly(uint32_t poly)
 	_prepared_instances = new Raul::Array<SLV2Instance>(_prepared_poly, *_instances);
 	for (uint32_t i=_poly; i < _prepared_poly; ++i) {
 		_prepared_instances->at(i) = slv2_plugin_instantiate(_lv2_plugin, _srate, NULL);
-		if ((*_instances)[i] == NULL) {
+		if ((*_prepared_instances)[i] == NULL) {
 			cerr << "Failed to instantiate plugin!" << endl;
 			return false;
 		}
diff --git a/src/libs/engine/OSCClientSender.cpp b/src/libs/engine/OSCClientSender.cpp
index 66b1ed02..2bcd8282 100644
--- a/src/libs/engine/OSCClientSender.cpp
+++ b/src/libs/engine/OSCClientSender.cpp
@@ -436,6 +436,21 @@ OSCClientSender::patch_disabled(const std::string& patch_path)
 
 
 /** \page client_osc_namespace
+ * <p> \b /ingen/patch_polyphony - Notification a patch's DSP processing has been polyphony.
+ * \arg \b path (const std::string&) - Path of polyphony patch</p> \n \n
+ */
+void
+OSCClientSender::patch_polyphony(const std::string& patch_path, uint32_t poly)
+{
+	if (!_enabled)
+		return;
+
+	lo_send(_address, "/ingen/patch_polyphony", "si", patch_path.c_str(), poly);
+}
+
+
+
+/** \page client_osc_namespace
  * <p> \b /ingen/new_connection - Notification a new connection has been made.
  * \arg \b src-path (const std::string&) - Path of the source port
  * \arg \b dst-path (const std::string&) - Path of the destination port</p> \n \n
diff --git a/src/libs/engine/OSCClientSender.hpp b/src/libs/engine/OSCClientSender.hpp
index 1930e708..ac45bef4 100644
--- a/src/libs/engine/OSCClientSender.hpp
+++ b/src/libs/engine/OSCClientSender.hpp
@@ -94,6 +94,9 @@ public:
 	
 	virtual void patch_disabled(const std::string& path);
 	
+	virtual void patch_polyphony(const std::string& path,
+	                             uint32_t           poly);
+	
 	virtual void patch_cleared(const std::string& path);
 	
 	virtual void object_destroyed(const std::string& path);
diff --git a/src/libs/engine/OSCEngineReceiver.cpp b/src/libs/engine/OSCEngineReceiver.cpp
index 4d31d836..d922d3c9 100644
--- a/src/libs/engine/OSCEngineReceiver.cpp
+++ b/src/libs/engine/OSCEngineReceiver.cpp
@@ -83,7 +83,7 @@ OSCEngineReceiver::OSCEngineReceiver(Engine& engine, size_t queue_size, uint16_t
 	lo_server_add_method(_server, "/ingen/enable_patch", "is", enable_patch_cb, this);
 	lo_server_add_method(_server, "/ingen/disable_patch", "is", disable_patch_cb, this);
 	lo_server_add_method(_server, "/ingen/clear_patch", "is", clear_patch_cb, this);
-	lo_server_add_method(_server, "/ingen/set_polyphony", "ii", set_polyphony_cb, this);
+	lo_server_add_method(_server, "/ingen/set_polyphony", "isi", set_polyphony_cb, this);
 	lo_server_add_method(_server, "/ingen/create_port", "issi", create_port_cb, this);
 	lo_server_add_method(_server, "/ingen/create_node", "issssi", create_node_cb, this);
 	lo_server_add_method(_server, "/ingen/create_node", "issi", create_node_by_uri_cb, this);
@@ -448,7 +448,7 @@ int
 OSCEngineReceiver::_set_polyphony_cb(const char* path, const char* types, lo_arg** argv, int argc, lo_message msg)
 {
 	const char*    patch_path = &argv[1]->s;
-	const uint32_t poly       = argv[1]->i;
+	const uint32_t poly       = argv[2]->i;
 	
 	set_polyphony(patch_path, poly);
 	return 0;
diff --git a/src/libs/engine/Port.cpp b/src/libs/engine/Port.cpp
index fe9e2c09..0a4c9f06 100644
--- a/src/libs/engine/Port.cpp
+++ b/src/libs/engine/Port.cpp
@@ -64,7 +64,7 @@ Port::prepare_poly(uint32_t poly)
 		_prepared_buffers = new Raul::Array<Buffer*>(poly, *_buffers);
 		_prepared_poly = poly;
 		for (uint32_t i = _poly; i < _prepared_poly; ++i)
-			_buffers->at(i) = BufferFactory::create(_type, _buffer_size);
+			_prepared_buffers->at(i) = BufferFactory::create(_type, _buffer_size);
 	}
 
 	return true;
diff --git a/src/libs/engine/events/SetPolyphonyEvent.cpp b/src/libs/engine/events/SetPolyphonyEvent.cpp
index 8dfed9c8..bdf4e1a1 100644
--- a/src/libs/engine/events/SetPolyphonyEvent.cpp
+++ b/src/libs/engine/events/SetPolyphonyEvent.cpp
@@ -66,10 +66,12 @@ SetPolyphonyEvent::execute(SampleCount nframes, FrameTime start, FrameTime end)
 void
 SetPolyphonyEvent::post_process()
 {	
-	if (_patch)
+	if (_patch) {
 		_responder->respond_ok();
-	else
+		_engine.broadcaster()->send_patch_polyphony(_patch_path, _poly);
+	} else {
 		_responder->respond_error("Unable to find patch");
+	}
 }