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Copyright (C) 2000,2007 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#ifndef __ardour_plugin_insert_h__
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#define __ardour_plugin_insert_h__
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#include <boost/weak_ptr.hpp>
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#include "ardour/ardour.h"
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#include "ardour/types.h"
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#include "ardour/processor.h"
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#include "ardour/automation_control.h"
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/** Plugin inserts: send data through a plugin
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class PluginInsert : public Processor
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PluginInsert (Session&, boost::shared_ptr<Plugin> = boost::shared_ptr<Plugin>());
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static const std::string port_automation_node_name;
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XMLNode& get_state(void);
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int set_state(const XMLNode&, int version);
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void run (BufferSet& in, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool);
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void silence (framecnt_t nframes);
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int set_block_size (pframes_t nframes);
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ChanCount output_streams() const;
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ChanCount input_streams() const;
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ChanCount natural_output_streams() const;
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ChanCount natural_input_streams() const;
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bool set_count (uint32_t num);
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uint32_t get_count () const { return _plugins.size(); }
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bool can_support_io_configuration (const ChanCount& in, ChanCount& out);
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bool configure_io (ChanCount in, ChanCount out);
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bool has_no_inputs() const;
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bool has_no_audio_inputs() const;
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bool is_midi_instrument() const;
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void realtime_handle_transport_stopped ();
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void realtime_locate ();
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void monitoring_changed ();
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struct PluginControl : public AutomationControl
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PluginControl (PluginInsert* p, const Evoral::Parameter ¶m,
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boost::shared_ptr<AutomationList> list = boost::shared_ptr<AutomationList>());
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void set_value (double val);
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double get_value (void) const;
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double internal_to_interface (double) const;
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double interface_to_internal (double) const;
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PluginInsert* _plugin;
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boost::shared_ptr<Plugin> plugin(uint32_t num=0) const {
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if (num < _plugins.size()) {
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return _plugins[num];
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return _plugins[0]; // we always have one
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std::string describe_parameter (Evoral::Parameter param);
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framecnt_t signal_latency () const;
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boost::shared_ptr<Plugin> get_impulse_analysis_plugin();
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void collect_signal_for_analysis (framecnt_t nframes);
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bool splitting () const {
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return _match.method == Split;
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PBD::Signal2<void,BufferSet*, BufferSet*> AnalysisDataGathered;
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/** Emitted when the return value of splitting () has changed */
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PBD::Signal0<void> SplittingChanged;
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/** Enumeration of the ways in which we can match our insert's
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* IO to that of the plugin(s).
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enum MatchingMethod {
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Impossible, ///< we can't
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Delegate, ///< we are delegating to the plugin, and it can handle it
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NoInputs, ///< plugin has no inputs, so anything goes
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ExactMatch, ///< our insert's inputs are the same as the plugin's
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Replicate, ///< we have multiple instances of the plugin
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Split, ///< we copy one of our insert's inputs to multiple plugin inputs
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Hide, ///< we `hide' some of the plugin's inputs by feeding them silence
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/* disallow copy construction */
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PluginInsert (const PluginInsert&);
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void parameter_changed (uint32_t, float);
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void set_parameter (Evoral::Parameter param, float val);
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float get_parameter (Evoral::Parameter param);
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float default_parameter_value (const Evoral::Parameter& param);
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typedef std::vector<boost::shared_ptr<Plugin> > Plugins;
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boost::weak_ptr<Plugin> _impulseAnalysisPlugin;
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framecnt_t _signal_analysis_collected_nframes;
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framecnt_t _signal_analysis_collect_nframes_max;
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BufferSet _signal_analysis_inputs;
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BufferSet _signal_analysis_outputs;
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ChanCount midi_bypass;
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/** Description of how we can match our plugin's IO to our own insert IO */
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Match () : method (Impossible), plugins (0) {}
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Match (MatchingMethod m, int32_t p, ChanCount h = ChanCount ()) : method (m), plugins (p), hide (h) {}
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MatchingMethod method; ///< method to employ
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int32_t plugins; ///< number of copies of the plugin that we need
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ChanCount hide; ///< number of channels to hide
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Match private_can_support_io_configuration (ChanCount const &, ChanCount &);
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/** details of the match currently being used */
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void automation_run (BufferSet& bufs, pframes_t nframes);
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void connect_and_run (BufferSet& bufs, pframes_t nframes, framecnt_t offset, bool with_auto, framepos_t now = 0);
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void create_automatable_parameters ();
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void control_list_automation_state_changed (Evoral::Parameter, AutoState);
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void set_parameter_state_2X (const XMLNode& node, int version);
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void set_control_ids (const XMLNode&, int version);
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boost::shared_ptr<Plugin> plugin_factory (boost::shared_ptr<Plugin>);
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void add_plugin (boost::shared_ptr<Plugin>);
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void start_touch (uint32_t param_id);
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void end_touch (uint32_t param_id);
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} // namespace ARDOUR
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#endif /* __ardour_plugin_insert_h__ */