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authorDavid Robillard <d@drobilla.net>2012-08-18 23:05:06 +0000
committerDavid Robillard <d@drobilla.net>2012-08-18 23:05:06 +0000
commit317627ef40f7654c298aa1ac707851c852259e3a (patch)
tree38f7ed57aafb7b3b8e21e6caa3429a39207e4a9a /src/server/LV2Node.hpp
parent160b2baf7df8b960f22619c013b3197c0dc51c2b (diff)
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Node => Block
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@4720 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/server/LV2Node.hpp')
-rw-r--r--src/server/LV2Node.hpp116
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diff --git a/src/server/LV2Node.hpp b/src/server/LV2Node.hpp
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-/*
- This file is part of Ingen.
- Copyright 2007-2012 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
- Software Foundation, either version 3 of the License, or any later version.
-
- Ingen is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- A PARTICULAR PURPOSE. See the GNU Affero General Public License for details.
-
- You should have received a copy of the GNU Affero General Public License
- along with Ingen. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef INGEN_ENGINE_LV2NODE_HPP
-#define INGEN_ENGINE_LV2NODE_HPP
-
-#include "lilv/lilv.h"
-#include "lv2/lv2plug.in/ns/ext/worker/worker.h"
-#include "raul/Disposable.hpp"
-
-#include "BufferRef.hpp"
-#include "NodeImpl.hpp"
-#include "ingen/LV2Features.hpp"
-#include "types.hpp"
-
-namespace Ingen {
-namespace Server {
-
-class LV2Plugin;
-
-/** An instance of a LV2 plugin.
- *
- * \ingroup engine
- */
-class LV2Node : public NodeImpl
-{
-public:
- LV2Node(LV2Plugin* plugin,
- const Raul::Symbol& symbol,
- bool polyphonic,
- PatchImpl* parent,
- SampleRate srate);
-
- ~LV2Node();
-
- bool instantiate(BufferFactory& bufs);
-
- bool prepare_poly(BufferFactory& bufs, uint32_t poly);
- bool apply_poly(ProcessContext& context, Raul::Maid& maid, uint32_t poly);
-
- void activate(BufferFactory& bufs);
- void deactivate();
-
- void work(uint32_t size, const void* data);
-
- void process(ProcessContext& context);
-
- void set_port_buffer(uint32_t voice,
- uint32_t port_num,
- BufferRef buf);
-
-protected:
- SharedPtr<LilvInstance> make_instance(URIs& uris,
- SampleRate rate,
- uint32_t voice,
- bool preparing);
-
- inline LilvInstance* instance(uint32_t voice) {
- return (LilvInstance*)(*_instances)[voice].get();
- }
-
- typedef Raul::Array< SharedPtr<void> > Instances;
-
- struct Response : public Raul::Disposable
- , public Raul::Noncopyable
- , public boost::intrusive::slist_base_hook<>
- {
- inline Response(uint32_t s, const void* d)
- : size(s)
- , data(malloc(s))
- {
- memcpy(data, d, s);
- }
-
- ~Response() {
- free(data);
- }
-
- const uint32_t size;
- void* const data;
- };
-
- typedef boost::intrusive::slist<Response,
- boost::intrusive::cache_last<true>,
- boost::intrusive::constant_time_size<false>
- > Responses;
-
- static LV2_Worker_Status work_respond(
- LV2_Worker_Respond_Handle handle, uint32_t size, const void* data);
-
- LV2Plugin* _lv2_plugin;
- Instances* _instances;
- Instances* _prepared_instances;
- const LV2_Worker_Interface* _worker_iface;
- Responses _responses;
- SharedPtr<LV2Features::FeatureArray> _features;
-};
-
-} // namespace Server
-} // namespace Ingen
-
-#endif // INGEN_ENGINE_LV2NODE_HPP
-