162 lines
4.0 KiB
C++
162 lines
4.0 KiB
C++
/*
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* Copyright (C) 2008-2009 Sampo Savolainen <v2@iki.fi>
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* Copyright (C) 2009-2012 David Robillard <d@drobilla.net>
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* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2010 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2018-2019 Robin Gareus <robin@gareus.org>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_plugin_eq_gui_h
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#define __ardour_plugin_eq_gui_h
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#include "pbd/signals.h"
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#include "ardour/buffer_set.h"
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#include <gtkmm/table.h>
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#include <gtkmm/drawingarea.h>
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#include <gtkmm/combobox.h>
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#include <gtkmm/comboboxtext.h>
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#include <gtkmm/liststore.h>
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namespace ARDOUR {
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class Plugin;
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class PluginInsert;
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}
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namespace GTKArdour {
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class FFT;
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}
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class PluginEqGui : public Gtk::Table
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{
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public:
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PluginEqGui (std::shared_ptr<ARDOUR::PluginInsert>);
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~PluginEqGui ();
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private:
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// Setup
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void set_buffer_size (uint32_t, uint32_t);
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void change_dB_scale ();
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// Analysis
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void run_impulse_analysis ();
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void signal_collect_callback (ARDOUR::BufferSet *, ARDOUR::BufferSet *);
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float _signal_analysis_running;
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// Drawing
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virtual void on_hide ();
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virtual void on_show ();
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void stop_updating ();
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void start_updating ();
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void start_listening ();
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void stop_listening ();
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void resize_analysis_area (Gtk::Allocation&);
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void redraw_analysis_area ();
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void draw_analysis_scales (cairo_t *);
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bool expose_analysis_area (GdkEventExpose *);
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void draw_scales_power (Gtk::Widget *, cairo_t *);
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void plot_impulse_amplitude (Gtk::Widget *,cairo_t *);
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void draw_scales_phase (Gtk::Widget *,cairo_t *);
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void plot_impulse_phase (Gtk::Widget *,cairo_t *);
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void plot_signal_amplitude_difference (Gtk::Widget *,cairo_t *);
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void update_pointer_info(float);
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bool analysis_area_mouseover(GdkEventMotion *);
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bool analysis_area_mouseexit(GdkEventCrossing *);
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// Helpers
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bool timeout_callback ();
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void redraw_scales ();
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// Fields:
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// analysis parameters
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float _samplerate;
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float _min_dB;
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float _max_dB;
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float _step_dB;
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float _log_coeff;
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float _log_max;
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ARDOUR::samplecnt_t _block_size;
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ARDOUR::samplecnt_t _buffer_size;
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ARDOUR::samplecnt_t _signal_buffer_size;
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// buffers
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ARDOUR::BufferSet _bufferset;
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ARDOUR::BufferSet _collect_bufferset;
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// dimensions
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float _analysis_width;
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float _analysis_height;
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// My objects
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GTKArdour::FFT *_impulse_fft;
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GTKArdour::FFT *_signal_input_fft;
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GTKArdour::FFT *_signal_output_fft;
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std::shared_ptr<ARDOUR::Plugin> _plugin;
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std::shared_ptr<ARDOUR::PluginInsert> _plugin_insert;
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// gui objects
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Gtk::DrawingArea *_analysis_area;
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cairo_surface_t *_analysis_scale_surface;
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Gtk::Label *_pointer_info;
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int _pointer_in_area_xpos;
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int _pointer_in_area_freq;
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// dB scale selection:
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class dBSelectionColumns : public Gtk::TreeModel::ColumnRecord
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{
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public:
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dBSelectionColumns()
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{ add(dBMin); add(dBMax); add(dBStep); add(name); }
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Gtk::TreeModelColumn<float> dBMin;
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Gtk::TreeModelColumn<float> dBMax;
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Gtk::TreeModelColumn<float> dBStep;
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Gtk::TreeModelColumn<std::string> name;
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};
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dBSelectionColumns dBColumns;
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Gtk::ComboBox *dBScaleCombo;
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Glib::RefPtr<Gtk::ListStore> dBScaleModel;
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Gtk::ComboBoxText* _live_signal_combo;
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Gtk::CheckButton *_phase_button;
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// signals and connections
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sigc::connection _update_connection;
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sigc::connection _window_unmap_connection;
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sigc::connection _window_map_connection;
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PBD::ScopedConnection analysis_connection;
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};
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#endif
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