2 Copyright (C) 2008 Paul Davis
3 Author: Sampo Savolainen
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #ifndef __ardour_plugin_eq_gui_h
22 #define __ardour_plugin_eq_gui_h
24 #include "ardour/buffer_set.h"
25 #include "ardour/plugin_insert.h"
26 #include "ardour/plugin.h"
28 #include <gtkmm/table.h>
29 #include <gtkmm/drawingarea.h>
30 #include <gtkmm/combobox.h>
31 #include <gtkmm/liststore.h>
35 class PluginEqGui : public Gtk::Table
38 PluginEqGui(boost::shared_ptr<ARDOUR::PluginInsert>);
45 void set_buffer_size(uint32_t, uint32_t);
46 void change_dB_scale();
49 void run_impulse_analysis();
50 void signal_collect_callback(ARDOUR::BufferSet *, ARDOUR::BufferSet *);
51 float _signal_analysis_running;
54 virtual void on_hide();
55 virtual void on_show();
58 void start_updating();
60 void resize_analysis_area(Gtk::Allocation&);
61 void redraw_analysis_area();
63 void draw_analysis_scales(cairo_t *);
64 bool expose_analysis_area(GdkEventExpose *);
66 void draw_scales_power(Gtk::Widget *, cairo_t *);
67 void plot_impulse_amplitude(Gtk::Widget *,cairo_t *);
69 void draw_scales_phase(Gtk::Widget *,cairo_t *);
70 void plot_impulse_phase(Gtk::Widget *,cairo_t *);
72 void plot_signal_amplitude_difference(Gtk::Widget *,cairo_t *);
75 bool timeout_callback();
81 // analysis parameters
92 nframes_t _buffer_size;
93 nframes_t _signal_buffer_size;
96 ARDOUR::BufferSet _bufferset;
97 ARDOUR::BufferSet _collect_bufferset;
101 float _analysis_width;
102 float _analysis_height;
106 FFT *_signal_input_fft;
107 FFT *_signal_output_fft;
108 boost::shared_ptr<ARDOUR::Plugin> _plugin;
109 boost::shared_ptr<ARDOUR::PluginInsert> _plugin_insert;
112 Gtk::DrawingArea *_analysis_area;
113 cairo_surface_t *_analysis_scale_surface;
116 // dB scale selection:
117 class dBSelectionColumns : public Gtk::TreeModel::ColumnRecord
121 { add(dBMin); add(dBMax); add(dBStep); add(name); }
123 Gtk::TreeModelColumn<float> dBMin;
124 Gtk::TreeModelColumn<float> dBMax;
125 Gtk::TreeModelColumn<float> dBStep;
126 Gtk::TreeModelColumn<Glib::ustring> name;
129 dBSelectionColumns dBColumns;
131 Gtk::ComboBox *dBScaleCombo;
132 Glib::RefPtr<Gtk::ListStore> dBScaleModel;
134 Gtk::CheckButton *_phase_button;
136 // signals and connections
137 sigc::connection _update_connection;
138 sigc::connection _window_unmap_connection;
139 sigc::connection _window_map_connection;