Add EngineBase, a pure virtual public interface for the engine.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@3155 a436a847-0d15-0410-975c-d299462d15a1

5 files changed, 21 insertions, 17 deletions

diff --git a/src/engine/Engine.hpp b/src/engine/Engine.hpp
index e1854a8b..c9e9229e 100644
--- a/src/engine/Engine.hpp
+++ b/src/engine/Engine.hpp
@@ -25,8 +25,7 @@
 
 #include "raul/SharedPtr.hpp"
 
-#include "ingen/PortType.hpp"
-#include "ingen/EventType.hpp"
+#include "ingen/EngineBase.hpp"
 
 namespace Raul { class Maid; }
 
@@ -54,7 +53,7 @@ class ProcessContext;
 
    @ingroup engine
 */
-class Engine : public boost::noncopyable
+class Engine : public boost::noncopyable, public EngineBase
 {
 public:
 	explicit Engine(Ingen::Shared::World* world);
diff --git a/src/engine/LV2RequestRunFeature.hpp b/src/engine/LV2RequestRunFeature.hpp
index 9f35d506..6d6b66b3 100644
--- a/src/engine/LV2RequestRunFeature.hpp
+++ b/src/engine/LV2RequestRunFeature.hpp
@@ -48,9 +48,10 @@ struct RequestRunFeature : public Shared::LV2Features::Feature {
 		if (!data->world->local_engine())
 			return;
 
-		data->world->local_engine()->message_context()->run(
+		Engine* engine = (Engine*)data->world->local_engine().get();
+		engine->message_context()->run(
 			dynamic_cast<NodeImpl*>(data->node),
-			data->world->local_engine()->driver()->frame_time());
+			engine->driver()->frame_time());
 	}
 
 	static void delete_feature(LV2_Feature* feature) {
diff --git a/src/engine/ingen_jack.cpp b/src/engine/ingen_jack.cpp
index 93119bd8..e8645cb9 100644
--- a/src/engine/ingen_jack.cpp
+++ b/src/engine/ingen_jack.cpp
@@ -25,10 +25,11 @@ using namespace Ingen;
 
 struct IngenJackModule : public Ingen::Shared::Module {
 	void load(Ingen::Shared::World* world) {
-		Ingen::JackDriver* driver = new Ingen::JackDriver(*world->local_engine().get());
+		Ingen::JackDriver* driver = new Ingen::JackDriver(
+			*(Engine*)world->local_engine().get());
 		driver->attach(world->conf()->option("jack-server").get_string(),
 				world->conf()->option("jack-client").get_string(), NULL);
-		world->local_engine()->set_driver(SharedPtr<Driver>(driver));
+		((Engine*)world->local_engine().get())->set_driver(SharedPtr<Driver>(driver));
 	}
 };
 
diff --git a/src/engine/ingen_lv2.cpp b/src/engine/ingen_lv2.cpp
index a6f178ff..69daa7ae 100644
--- a/src/engine/ingen_lv2.cpp
+++ b/src/engine/ingen_lv2.cpp
@@ -267,11 +267,12 @@ ingen_instantiate(const LV2_Descriptor*    descriptor,
 	plugin->world->set_local_engine(engine);
 
 	SharedPtr<QueuedEngineInterface> interface(
-		new Ingen::QueuedEngineInterface(*plugin->world->local_engine(),
-		                                 event_queue_size));
+		new Ingen::QueuedEngineInterface(
+			*engine.get(),
+			event_queue_size));
 
 	plugin->world->set_engine(interface);
-	plugin->world->local_engine()->add_event_source(interface);
+	engine->add_event_source(interface);
 
 	Raul::Thread::get().set_context(THREAD_PRE_PROCESS);
 	ThreadManager::single_threaded = true;
@@ -309,9 +310,9 @@ ingen_instantiate(const LV2_Descriptor*    descriptor,
 static void
 ingen_connect_port(LV2_Handle instance, uint32_t port, void* data)
 {
-	IngenPlugin*             me     = (IngenPlugin*)instance;
-	SharedPtr<Ingen::Engine> engine = me->world->local_engine();
-	Ingen::LV2::LV2Driver*   driver = (Ingen::LV2::LV2Driver*)engine->driver();
+	IngenPlugin*           me     = (IngenPlugin*)instance;
+	Ingen::Engine*         engine = (Ingen::Engine*)me->world->local_engine().get();
+	Ingen::LV2::LV2Driver* driver = (Ingen::LV2::LV2Driver*)engine->driver();
 	if (port < driver->ports().size()) {
 		driver->ports().at(port)->set_buffer(data);
 		assert(driver->ports().at(port)->patch_port()->index() == port);
@@ -330,10 +331,11 @@ ingen_activate(LV2_Handle instance)
 static void
 ingen_run(LV2_Handle instance, uint32_t sample_count)
 {
-	IngenPlugin* me = (IngenPlugin*)instance;
+	IngenPlugin*   me     = (IngenPlugin*)instance;
+	Ingen::Engine* engine = (Ingen::Engine*)me->world->local_engine().get();
 	// FIXME: don't do this every call
 	Raul::Thread::get().set_context(Ingen::THREAD_PROCESS);
-	((Ingen::LV2::LV2Driver*)me->world->local_engine()->driver())->run(sample_count);
+	((Ingen::LV2::LV2Driver*)engine->driver())->run(sample_count);
 }
 
 static void
diff --git a/src/engine/ingen_osc.cpp b/src/engine/ingen_osc.cpp
index 5e75b756..0a2d6768 100644
--- a/src/engine/ingen_osc.cpp
+++ b/src/engine/ingen_osc.cpp
@@ -27,10 +27,11 @@ using namespace Ingen;
 struct IngenOSCModule : public Ingen::Shared::Module {
 	void load(Ingen::Shared::World* world) {
 		SharedPtr<OSCEngineReceiver> interface(
-				new Ingen::OSCEngineReceiver(*world->local_engine().get(),
+				new Ingen::OSCEngineReceiver(
+					*(Engine*)world->local_engine().get(),
 					event_queue_size,
 					world->conf()->option("engine-port").get_int32()));
-		world->local_engine()->add_event_source(interface);
+		((Engine*)world->local_engine().get())->add_event_source(interface);
 	}
 };