From aeadaef403c5b8ef786d994c8644af255c2097c9 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Tue, 29 Oct 2013 16:27:43 +0000
Subject: Remove engine dependency from LV2Options.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@5163 a436a847-0d15-0410-975c-d299462d15a1
---
 src/server/Engine.cpp     |  8 ++++---
 src/server/LV2Options.hpp | 58 +++++++++++++++++------------------------------
 2 files changed, 26 insertions(+), 40 deletions(-)

(limited to 'src/server')

diff --git a/src/server/Engine.cpp b/src/server/Engine.cpp
index 1dbd73bb..a7d77736 100644
--- a/src/server/Engine.cpp
+++ b/src/server/Engine.cpp
@@ -1,6 +1,6 @@
 /*
   This file is part of Ingen.
-  Copyright 2007-2012 David Robillard <http://drobilla.net/>
+  Copyright 2007-2013 David Robillard <http://drobilla.net/>
 
   Ingen is free software: you can redistribute it and/or modify it under the
   terms of the GNU Affero General Public License as published by the Free
@@ -60,7 +60,7 @@ Engine::Engine(Ingen::World* world)
 	, _control_bindings(NULL)
 	, _event_writer(new EventWriter(*this))
 	, _maid(new Raul::Maid())
-	, _options(new LV2Options(*this))
+	, _options(new LV2Options(world->uris()))
 	, _pre_processor(new PreProcessor())
 	, _post_processor(new PostProcessor(*this))
 	, _root_graph(NULL)
@@ -202,7 +202,9 @@ Engine::activate()
 	ThreadManager::single_threaded = true;
 
 	_buffer_factory->set_block_length(_driver->block_length());
-	_options->set(*this);
+	_options->set(driver()->sample_rate(),
+	              driver()->block_length(),
+	              buffer_factory()->default_size(_world->uris().atom_Sequence));
 
 	const Ingen::URIs& uris  = world()->uris();
 	Forge&             forge = world()->forge();
diff --git a/src/server/LV2Options.hpp b/src/server/LV2Options.hpp
index e8ca6e93..048d45d4 100644
--- a/src/server/LV2Options.hpp
+++ b/src/server/LV2Options.hpp
@@ -1,6 +1,6 @@
 /*
   This file is part of Ingen.
-  Copyright 2007-2012 David Robillard <http://drobilla.net/>
+  Copyright 2007-2013 David Robillard <http://drobilla.net/>
 
   Ingen is free software: you can redistribute it and/or modify it under the
   terms of the GNU Affero General Public License as published by the Free
@@ -18,58 +18,41 @@
 #define INGEN_ENGINE_LV2OPTIONS_HPP
 
 #include "ingen/LV2Features.hpp"
+#include "ingen/URIs.hpp"
 #include "lv2/lv2plug.in/ns/ext/options/options.h"
 
-#include "BlockImpl.hpp"
-#include "BufferFactory.hpp"
-#include "Driver.hpp"
-#include "Engine.hpp"
-
 namespace Ingen {
 namespace Server {
 
 class LV2Options : public Ingen::LV2Features::Feature {
 public:
-	explicit LV2Options(Engine& engine)
-		: _block_length(0)
-		, _seq_size(0)
-		, _sample_rate(0)
-	{
-		set(engine);
-	}
+	explicit LV2Options(const URIs& uris)
+		: _uris(uris)
+	{}
 
 	static void delete_feature(LV2_Feature* feature) {
 		free(feature->data);
 		free(feature);
 	}
 
-	void set(Engine& engine) {
-		if (engine.driver()) {
-			_block_length = engine.driver()->block_length();
-			_seq_size = engine.buffer_factory()->default_size(
-				engine.world()->uris().atom_Sequence);
-			_sample_rate = (int32_t)(engine.driver()->sample_rate());
-		}
+	void set(int32_t sample_rate, int32_t block_length, int32_t seq_size) {
+		_sample_rate  = sample_rate;
+		_block_length = block_length;
+		_seq_size     = seq_size;
 	}
 
 	const char* uri() const { return LV2_OPTIONS__options; }
 
 	SPtr<LV2_Feature> feature(World* w, Node* n) {
-		BlockImpl* block = dynamic_cast<BlockImpl*>(n);
-		if (!block) {
-			return SPtr<LV2_Feature>();
-		}
-		Engine& engine = block->parent_graph()->engine();
-		URIs&   uris   = engine.world()->uris();
 		const LV2_Options_Option options[] = {
-			{ LV2_OPTIONS_INSTANCE, 0, uris.bufsz_minBlockLength,
-			  sizeof(int32_t), uris.atom_Int, &_block_length },
-			{ LV2_OPTIONS_INSTANCE, 0, uris.bufsz_maxBlockLength,
-			  sizeof(int32_t), uris.atom_Int, &_block_length },
-			{ LV2_OPTIONS_INSTANCE, 0, uris.bufsz_sequenceSize,
-			  sizeof(int32_t), uris.atom_Int, &_seq_size },
-			{ LV2_OPTIONS_INSTANCE, 0, uris.ingen_sampleRate,
-			  sizeof(int32_t), uris.atom_Int, &_sample_rate },
+			{ LV2_OPTIONS_INSTANCE, 0, _uris.bufsz_minBlockLength,
+			  sizeof(int32_t), _uris.atom_Int, &_block_length },
+			{ LV2_OPTIONS_INSTANCE, 0, _uris.bufsz_maxBlockLength,
+			  sizeof(int32_t), _uris.atom_Int, &_block_length },
+			{ LV2_OPTIONS_INSTANCE, 0, _uris.bufsz_sequenceSize,
+			  sizeof(int32_t), _uris.atom_Int, &_seq_size },
+			{ LV2_OPTIONS_INSTANCE, 0, _uris.ingen_sampleRate,
+			  sizeof(int32_t), _uris.atom_Int, &_sample_rate },
 			{ LV2_OPTIONS_INSTANCE, 0, 0, 0, 0, NULL }
 		};
 
@@ -81,9 +64,10 @@ public:
 	}
 
 private:
-	int32_t _block_length;
-	int32_t _seq_size;
-	int32_t _sample_rate;
+	const URIs& _uris;
+	int32_t     _sample_rate;
+	int32_t     _block_length;
+	int32_t     _seq_size;
 };
 
 } // namespace Server
-- 
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