gtk2_ardour/analysis_window.cc

   1 /*
   2     Copyright (C) 2006 Paul Davis
   3     Written by Sampo Savolainen
   4
   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.
   9
  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.
  14
  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.
  18
  19 */
  20
  21 #include <gtkmm2ext/gtk_ui.h>
  22 #include <gtkmm/stock.h>
  23 #include <gtkmm/label.h>
  24 #include <gtkmm/treemodel.h>
  25 #include <gtkmm/treeiter.h>
  26
  27 #include <ardour/audioregion.h>
  28 #include <ardour/audioplaylist.h>
  29 #include <ardour/types.h>
  30
  31 #include "analysis_window.h"
  32
  33 #include "route_ui.h"
  34 #include "time_axis_view.h"
  35 #include "public_editor.h"
  36 #include "selection.h"
  37 #include "audio_region_view.h"
  38
  39 #include "i18n.h"
  40
  41 using namespace ARDOUR;
  42 using namespace PBD;
  43
  44 AnalysisWindow::AnalysisWindow() :
  45
  46           source_selection_label       (_("Signal source")),
  47           source_selection_ranges_rb   (_("Selected ranges")),
  48           source_selection_regions_rb  (_("Selected regions")),
  49
  50           display_model_label                   (_("Display model")),
  51           display_model_composite_separate_rb   (_("Composite graphs for each track")),
  52           display_model_composite_all_tracks_rb (_("Composite graph of all tracks")),
  53
  54           show_minmax_button     (_("Show frequency power range")),
  55           show_normalized_button (_("Normalize values")),
  56
  57           fft_graph (16384)
  58 {
  59         set_name(_("FFT analysis window"));
  60         set_title(_("FFT analysis window"));
  61
  62         track_list_ready = false;
  63
  64         // Left side: track list + controls
  65         tlmodel = Gtk::ListStore::create(tlcols);
  66         track_list.set_model (tlmodel);
  67         track_list.append_column(_("Track"), tlcols.trackname);
  68         track_list.append_column_editable(_("Show"), tlcols.visible);
  69         track_list.set_headers_visible(true);
  70         track_list.set_reorderable(false);
  71         track_list.get_selection()->set_mode (Gtk::SELECTION_NONE);
  72
  73
  74         Gtk::TreeViewColumn* track_col = track_list.get_column(0);
  75         Gtk::CellRendererText* renderer = dynamic_cast<Gtk::CellRendererText*>(track_list.get_column_cell_renderer (0));
  76
  77         track_col->add_attribute(renderer->property_foreground_gdk(), tlcols.color);
  78         track_col->set_expand(true);
  79
  80
  81         tlmodel->signal_row_changed().connect (
  82                         mem_fun(*this, &AnalysisWindow::track_list_row_changed) );
  83
  84         fft_graph.set_analysis_window(this);
  85
  86         vbox.pack_start(track_list);
  87
  88
  89         // "Signal source"
  90         vbox.pack_start(source_selection_label, false, false);
  91
  92         {
  93                 Gtk::RadioButtonGroup group = source_selection_ranges_rb.get_group();
  94                 source_selection_regions_rb.set_group(group);
  95
  96                 source_selection_ranges_rb.set_active();
  97
  98                 vbox.pack_start (source_selection_ranges_rb,  false, false);
  99                 vbox.pack_start (source_selection_regions_rb, false, false);
 100
 101                 // "Selected ranges" radio
 102                 source_selection_ranges_rb.signal_toggled().connect (
 103                                 bind ( mem_fun(*this, &AnalysisWindow::source_selection_changed), &source_selection_ranges_rb));
 104
 105                 // "Selected regions" radio
 106                 source_selection_regions_rb.signal_toggled().connect (
 107                                 bind ( mem_fun(*this, &AnalysisWindow::source_selection_changed), &source_selection_regions_rb));
 108         }
 109
 110         vbox.pack_start(hseparator1, false, false);
 111
 112         // "Display model"
 113         vbox.pack_start(display_model_label, false, false);
 114         {
 115                 Gtk::RadioButtonGroup group = display_model_composite_separate_rb.get_group();
 116                 display_model_composite_all_tracks_rb.set_group (group);
 117
 118                 display_model_composite_separate_rb.set_active();
 119
 120                 vbox.pack_start (display_model_composite_separate_rb,   false, false);
 121                 vbox.pack_start (display_model_composite_all_tracks_rb, false, false);
 122
 123                 // "Composite graphs for all tracks"
 124                 display_model_composite_separate_rb.signal_toggled().connect (
 125                                 bind ( mem_fun(*this, &AnalysisWindow::display_model_changed), &display_model_composite_separate_rb));
 126
 127                 // "Composite graph of all tracks"
 128                 display_model_composite_all_tracks_rb.signal_toggled().connect (
 129                                 bind ( mem_fun(*this, &AnalysisWindow::display_model_changed), &display_model_composite_all_tracks_rb));
 130         }
 131
 132         // Analyze button
 133
 134         refresh_button.set_name("EditorGTKButton");
 135         refresh_button.set_label(_("Re-analyze data"));
 136
 137         refresh_button.signal_clicked().connect ( bind ( mem_fun(*this, &AnalysisWindow::analyze_data), &refresh_button));
 138
 139         vbox.pack_start(refresh_button, false, false, 10);
 140
 141
 142         // Feature checkboxes
 143
 144         // minmax
 145         show_minmax_button.signal_toggled().connect( mem_fun(*this, &AnalysisWindow::show_minmax_changed));
 146         vbox.pack_start(show_minmax_button, false, false);
 147
 148         // normalize
 149         show_normalized_button.signal_toggled().connect( mem_fun(*this, &AnalysisWindow::show_normalized_changed));
 150         vbox.pack_start(show_normalized_button, false, false);
 151
 152
 153
 154
 155
 156         hbox.pack_start(vbox, Gtk::PACK_SHRINK);
 157
 158         // Analysis window on the right
 159         fft_graph.ensure_style();
 160
 161         hbox.add(fft_graph);
 162
 163
 164
 165         // And last we pack the hbox
 166         add(hbox);
 167         show_all();
 168         track_list.show_all();
 169 }
 170
 171 AnalysisWindow::~AnalysisWindow()
 172 {
 173
 174 }
 175
 176 void
 177 AnalysisWindow::show_minmax_changed()
 178 {
 179         fft_graph.set_show_minmax(show_minmax_button.get_active());
 180 }
 181
 182 void
 183 AnalysisWindow::show_normalized_changed()
 184 {
 185         fft_graph.set_show_normalized(show_normalized_button.get_active());
 186 }
 187
 188 void
 189 AnalysisWindow::set_rangemode()
 190 {
 191         source_selection_ranges_rb.set_active(true);
 192 }
 193
 194 void
 195 AnalysisWindow::set_regionmode()
 196 {
 197         source_selection_regions_rb.set_active(true);
 198 }
 199
 200 void
 201 AnalysisWindow::track_list_row_changed(const Gtk::TreeModel::Path& path, const Gtk::TreeModel::iterator& iter)
 202 {
 203         if (track_list_ready) {
 204                 fft_graph.redraw();
 205         }
 206 }
 207
 208
 209 void
 210 AnalysisWindow::clear_tracklist()
 211 {
 212         // Empty track list & free old graphs
 213         Gtk::TreeNodeChildren children = track_list.get_model()->children();
 214
 215         for (Gtk::TreeIter i = children.begin(); i != children.end(); i++) {
 216                 Gtk::TreeModel::Row row = *i;
 217
 218                 FFTResult *delete_me = row[tlcols.graph];
 219                 if (delete_me == 0)
 220                         continue;
 221
 222                 // Make sure it's not drawn
 223                 row[tlcols.graph] = 0;
 224
 225                 delete delete_me;
 226         }
 227
 228         tlmodel->clear();
 229 }
 230
 231 void
 232 AnalysisWindow::analyze()
 233 {
 234         analyze_data(&refresh_button);
 235 }
 236
 237 void
 238 AnalysisWindow::analyze_data (Gtk::Button *button)
 239 {
 240         track_list_ready = false;
 241         {
 242                 Glib::Mutex::Lock lm  (track_list_lock);
 243
 244                 // Empty track list & free old graphs
 245                 clear_tracklist();
 246
 247                 // first we gather the FFTResults of all tracks
 248
 249                 Sample *buf    = (Sample *) malloc(sizeof(Sample) * fft_graph.windowSize());
 250                 Sample *mixbuf = (Sample *) malloc(sizeof(Sample) * fft_graph.windowSize());
 251                 float  *gain   = (float *)  malloc(sizeof(float) * fft_graph.windowSize());
 252
 253                 Selection s = PublicEditor::instance().get_selection();
 254                 TimeSelection ts = s.time;
 255                 RegionSelection ars = s.regions;
 256
 257                 for (TrackSelection::iterator i = s.tracks.begin(); i != s.tracks.end(); ++i) {
 258                         boost::shared_ptr<AudioPlaylist> pl
 259                                 = boost::dynamic_pointer_cast<AudioPlaylist>((*i)->playlist());
 260
 261                         if (!pl)
 262                                 continue;
 263
 264                         RouteUI *rui = dynamic_cast<RouteUI *>(*i);
 265
 266                         // Busses don't have playlists, so we need to check that we actually are working with a playlist
 267                         if (!pl || !rui)
 268                                 continue;
 269
 270                         FFTResult *res = fft_graph.prepareResult(rui->color(), rui->route()->name());
 271
 272                         // if timeSelection
 273                         if (source_selection_ranges_rb.get_active()) {
 274 //                              cerr << "Analyzing ranges on track " << *&rui->route().name() << endl;
 275
 276                                 for (std::list<AudioRange>::iterator j = ts.begin(); j != ts.end(); ++j) {
 277
 278                                         nframes_t i = 0;
 279                                         int n;
 280
 281                                         while ( i < (*j).length() ) {
 282                                                 // TODO: What about stereo+ channels? composite all to one, I guess
 283
 284                                                 n = fft_graph.windowSize();
 285
 286                                                 if (i + n >= (*j).length() ) {
 287                                                         n = (*j).length() - i;
 288                                                 }
 289
 290                                                 n = pl->read(buf, mixbuf, gain, (*j).start + i, n);
 291
 292                                                 if ( n < fft_graph.windowSize()) {
 293                                                         for (int j = n; j < fft_graph.windowSize(); j++) {
 294                                                                 buf[j] = 0.0;
 295                                                         }
 296                                                 }
 297
 298                                                 res->analyzeWindow(buf);
 299
 300                                                 i += n;
 301                                         }
 302                                 }
 303                         } else if (source_selection_regions_rb.get_active()) {
 304 //                              cerr << "Analyzing selected regions on track " << *&rui->route().name() << endl;
 305
 306                                 TimeAxisView *current_axis = (*i);
 307
 308                                 for (RegionSelection::iterator j = ars.begin(); j != ars.end(); ++j) {
 309                                         // Check that the region is actually audio (so we can analyze it)
 310                                         AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*j);
 311                                         if (!arv)
 312                                                 continue;
 313
 314                                         // Check that the region really is selected on _this_ track/solo
 315                                         if ( &arv->get_time_axis_view() != current_axis)
 316                                                 continue;
 317
 318 //                                      cerr << " - " << (*j)->region().name() << ": " << (*j)->region().length() << " samples starting at " << (*j)->region().position() << endl;
 319                                         nframes_t i = 0;
 320                                         int n;
 321
 322                                         while ( i < arv->region()->length() ) {
 323                                                 // TODO: What about stereo+ channels? composite all to one, I guess
 324
 325                                                 n = fft_graph.windowSize();
 326                                                 if (i + n >= arv->region()->length() ) {
 327                                                         n = arv->region()->length() - i;
 328                                                 }
 329
 330                                                 n = arv->audio_region()->read_at(buf, mixbuf, gain, arv->region()->position() + i, n);
 331
 332                                                 if ( n < fft_graph.windowSize()) {
 333                                                         for (int j = n; j < fft_graph.windowSize(); j++) {
 334                                                                 buf[j] = 0.0;
 335                                                         }
 336                                                 }
 337
 338                                                 res->analyzeWindow(buf);
 339
 340                                                 i += n;
 341                                         }
 342 //                                      cerr << "Found: " << (*j)->get_item_name() << endl;
 343
 344                                 }
 345
 346                         }
 347                         res->finalize();
 348
 349
 350                         Gtk::TreeModel::Row newrow = *(tlmodel)->append();
 351                         newrow[tlcols.trackname]   = rui->route()->name();
 352                         newrow[tlcols.visible]     = true;
 353                         newrow[tlcols.color]       = rui->color();
 354                         newrow[tlcols.graph]       = res;
 355                 }
 356
 357
 358                 free(buf);
 359                 free(mixbuf);
 360
 361                 track_list_ready = true;
 362         } /* end lock */
 363
 364         fft_graph.redraw();
 365 }
 366
 367 void
 368 AnalysisWindow::source_selection_changed (Gtk::RadioButton *button)
 369 {
 370         // We are only interested in activation signals, not deactivation signals
 371         if (!button->get_active())
 372                 return;
 373
 374         /*
 375         cerr << "AnalysisWindow: signal source = ";
 376
 377         if (button == &source_selection_ranges_rb) {
 378                 cerr << "selected ranges" << endl;
 379
 380         } else if (button == &source_selection_regions_rb) {
 381                 cerr << "selected regions" << endl;
 382
 383         } else {
 384                 cerr << "unknown?" << endl;
 385         }
 386         */
 387 }
 388
 389 void
 390 AnalysisWindow::display_model_changed (Gtk::RadioButton *button)
 391 {
 392         // We are only interested in activation signals, not deactivation signals
 393         if (!button->get_active())
 394                 return;
 395
 396         /*
 397         cerr << "AnalysisWindow: display model = ";
 398
 399         if (button == &display_model_composite_separate_rb) {
 400                 cerr << "separate composites of tracks" << endl;
 401         } else if (button == &display_model_composite_all_tracks_rb) {
 402                 cerr << "composite of all tracks" << endl;
 403         } else {
 404                 cerr << "unknown?" << endl;
 405         }
 406         */
 407 }
 408
 409