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authorDavid Robillard <d@drobilla.net>2010-02-24 23:37:26 +0000
committerDavid Robillard <d@drobilla.net>2010-02-24 23:37:26 +0000
commit313af960a340f8539214d53252e3186fe3dc8f40 (patch)
tree49453be1a8f2eb9024498d1f64c3baffeb84f05b /src/engine/NodeBase.hpp
parente853d3dfcf450f6160e19f20b6b67e251c906169 (diff)
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Merge NodeBase and NodeImpl.
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@2486 a436a847-0d15-0410-975c-d299462d15a1
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-rw-r--r--src/engine/NodeBase.hpp151
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diff --git a/src/engine/NodeBase.hpp b/src/engine/NodeBase.hpp
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-/* This file is part of Ingen.
- * Copyright (C) 2007-2009 Dave Robillard <http://drobilla.net>
- *
- * Ingen is free software; you can redistribute it and/or modify it under the
- * terms of the GNU General Public License as published by the Free Software
- * Foundation; either version 2 of the License, or (at your option) 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 General Public License for details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef INGEN_ENGINE_NODEBASE_HPP
-#define INGEN_ENGINE_NODEBASE_HPP
-
-#include "types.hpp"
-#include <string>
-#include <cstdlib>
-#include "raul/Array.hpp"
-#include "raul/Atom.hpp"
-#include "raul/AtomicInt.hpp"
-#include "raul/IntrusivePtr.hpp"
-#include "raul/Semaphore.hpp"
-#include "contexts.lv2/contexts.h"
-#include "interface/Port.hpp"
-#include "interface/PortType.hpp"
-#include "NodeImpl.hpp"
-
-namespace Ingen {
-
-class Context;
-class EngineStore;
-class PatchImpl;
-class PluginImpl;
-class BufferFactory;
-
-namespace Shared { class ClientInterface; }
-
-
-/** Common implementation stuff for Node.
- *
- * \ingroup engine
- */
-class NodeBase : public NodeImpl
-{
-public:
- NodeBase(PluginImpl* plugin,
- const Raul::Symbol& symbol,
- bool poly,
- PatchImpl* parent,
- SampleRate rate);
-
- virtual ~NodeBase();
-
- virtual void activate(BufferFactory& bufs);
- virtual void deactivate();
- bool activated() { return _activated; }
-
- /** Flag node as polyphonic.
- *
- * Note this will not actually allocate voices etc., prepare_poly
- * and apply_poly must be called after this function to truly make
- * a node polyphonic.
- */
- virtual void set_polyphonic(bool p) { _polyphonic = p; }
-
- virtual bool prepare_poly(BufferFactory& bufs, uint32_t poly);
- virtual bool apply_poly(Raul::Maid& maid, uint32_t poly);
-
- virtual void reset_input_ready();
- virtual bool process_lock();
- virtual void process_unlock();
- virtual void wait_for_input(size_t num_providers);
- virtual unsigned n_inputs_ready() const { return _n_inputs_ready.get(); }
-
- virtual void learn() {}
-
- virtual void message_run(MessageContext& context) {}
-
- virtual void set_port_valid(uint32_t port_index);
-
- virtual void* valid_ports();
- virtual void reset_valid_ports();
-
- virtual void pre_process(Context& context);
- virtual void process(ProcessContext& context) = 0;
- virtual void post_process(Context& context);
-
- virtual void set_port_buffer(uint32_t voice, uint32_t port_num,
- IntrusivePtr<Buffer> buf, SampleCount offset);
-
- virtual void set_buffer_size(Context& context, BufferFactory& bufs,
- Shared::PortType type, size_t size);
-
- SampleRate sample_rate() const { return _srate; }
- uint32_t num_ports() const { return _ports ? _ports->size() : 0; }
- uint32_t polyphony() const { return _polyphony; }
- bool traversed() const { return _traversed; }
- void traversed(bool b) { _traversed = b; }
-
- virtual Shared::Port* port(uint32_t index) const;
- virtual PortImpl* port_impl(uint32_t index) const { return (*_ports)[index]; }
-
- /* These are NOT to be used in the audio thread!
- * The providers and dependants in CompiledNode are for that
- */
-
- Raul::List<NodeImpl*>* providers() { return _providers; }
- void providers(Raul::List<NodeImpl*>* l) { _providers = l; }
-
- Raul::List<NodeImpl*>* dependants() { return _dependants; }
- void dependants(Raul::List<NodeImpl*>* l) { _dependants = l; }
-
- virtual const Shared::Plugin* plugin() const;
- virtual PluginImpl* plugin_impl() const { return _plugin; }
- virtual void plugin(PluginImpl* pi) { _plugin = pi; }
-
- /** A node's parent is always a patch, so static cast should be safe */
- inline PatchImpl* parent_patch() const { return (PatchImpl*)_parent; }
-
-protected:
- virtual void signal_input_ready();
-
- PluginImpl* _plugin;
-
- bool _polyphonic;
- uint32_t _polyphony;
- SampleRate _srate;
-
- void* _valid_ports; ///< Valid port flags for message context
-
- Raul::Semaphore _input_ready; ///< Parallelism: input ready signal
- Raul::AtomicInt _process_lock; ///< Parallelism: Waiting on inputs 'lock'
- Raul::AtomicInt _n_inputs_ready; ///< Parallelism: # input ready signals this cycle
- Raul::Array<PortImpl*>* _ports; ///< Access in audio thread only
- Raul::List<NodeImpl*>* _providers; ///< Nodes connected to this one's input ports
- Raul::List<NodeImpl*>* _dependants; ///< Nodes this one's output ports are connected to
-
- bool _activated;
- bool _traversed; ///< Flag for process order algorithm
-};
-
-
-} // namespace Ingen
-
-#endif // INGEN_ENGINE_NODEBASE_HPP