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Diffstat (limited to 'src/server/NodeImpl.hpp')
| -rw-r--r-- | src/server/NodeImpl.hpp | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/src/server/NodeImpl.hpp b/src/server/NodeImpl.hpp deleted file mode 100644 index 86741156..00000000 --- a/src/server/NodeImpl.hpp +++ /dev/null @@ -1,175 +0,0 @@ -/* - 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_NODEIMPL_HPP -#define INGEN_ENGINE_NODEIMPL_HPP - -#include <list> - -#include <boost/intrusive/slist.hpp> - -#include "raul/Array.hpp" -#include "raul/AtomicInt.hpp" - -#include "BufferRef.hpp" -#include "Context.hpp" -#include "GraphObjectImpl.hpp" -#include "PortType.hpp" -#include "types.hpp" - -namespace Raul { -class Maid; -} - -namespace Ingen { - -class Plugin; - -namespace Server { - -class Buffer; -class BufferFactory; -class Context; -class PatchImpl; -class PluginImpl; -class PortImpl; -class ProcessContext; - -/** A Node (or "module") in a Patch (which is also a Node). - * - * A Node is a unit with input/output ports, a process() method, and some other - * things. - * - * \ingroup engine - */ -class NodeImpl : public GraphObjectImpl - , public boost::intrusive::slist_base_hook<> // In PatchImpl -{ -public: - NodeImpl(PluginImpl* plugin, - const Raul::Symbol& symbol, - bool poly, - PatchImpl* parent, - SampleRate rate); - - virtual ~NodeImpl(); - - virtual GraphType graph_type() const { return NODE; } - - /** Activate this Node. - * - * This function must be called in a non-realtime thread before it is - * inserted in to a patch. Any non-realtime actions that need to be - * done before the Node is ready for use should be done here. - */ - virtual void activate(BufferFactory& bufs); - - /** Deactivate this Node. - * - * This function must be called in a non-realtime thread after the - * node has been removed from its patch (i.e. processing is finished). - */ - virtual void deactivate(); - - /** Return true iff this node is activated */ - bool activated() { return _activated; } - - /** Learn the next incoming MIDI event (for internals) */ - virtual void learn() {} - - /** Do whatever needs doing in the process thread before process() is called */ - virtual void pre_process(ProcessContext& context); - - /** Run the node for @a nframes input/output. - * - * @a start and @a end are transport times: end is not redundant in the case - * of varispeed, where end-start != nframes. - */ - virtual void process(ProcessContext& context) = 0; - - /** Do whatever needs doing in the process thread after process() is called */ - virtual void post_process(ProcessContext& context); - - /** Set the buffer of a port to a given buffer (e.g. connect plugin to buffer) */ - virtual void set_port_buffer(uint32_t voice, - uint32_t port_num, - BufferRef buf); - - virtual GraphObject* port(uint32_t index) const; - virtual PortImpl* port_impl(uint32_t index) const { return (*_ports)[index]; } - - /** Nodes that are connected to this Node's inputs. */ - std::list<NodeImpl*>& providers() { return _providers; } - - /** Nodes are are connected to this Node's outputs. */ - std::list<NodeImpl*>& dependants() { return _dependants; } - - /** 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( - ProcessContext& context, Raul::Maid& maid, uint32_t poly); - - /** Information about the Plugin this Node is an instance of. - * Not the best name - not all nodes come from plugins (e.g. Patch) - */ - virtual PluginImpl* plugin_impl() const { return _plugin; } - - /** Information about the Plugin this Node is an instance of. - * Not the best name - not all nodes come from plugins (ie Patch) - */ - virtual const Plugin* plugin() const; - - virtual void plugin(PluginImpl* pi) { _plugin = pi; } - - virtual void set_buffer_size(Context& context, - BufferFactory& bufs, - LV2_URID type, - uint32_t size); - - /** The Patch this Node belongs to. */ - inline PatchImpl* parent_patch() const { return (PatchImpl*)_parent; } - - Context::ID context() const { return _context; } - uint32_t num_ports() const { return _ports ? _ports->size() : 0; } - virtual uint32_t polyphony() const { return _polyphony; } - - /** Used by the process order finding algorithm (ie during connections) */ - bool traversed() const { return _traversed; } - void traversed(bool b) { _traversed = b; } - -protected: - PluginImpl* _plugin; - Raul::Array<PortImpl*>* _ports; ///< Access in audio thread only - Context::ID _context; ///< Context this node runs in - uint32_t _polyphony; - std::list<NodeImpl*> _providers; ///< Nodes connected to this one's input ports - std::list<NodeImpl*> _dependants; ///< Nodes this one's output ports are connected to - bool _polyphonic; - bool _activated; - bool _traversed; ///< Flag for process order algorithm -}; - -} // namespace Server -} // namespace Ingen - -#endif // INGEN_ENGINE_NODEIMPL_HPP |