gtk2_ardour/rhythm_ferret.cc

   1 #include <gtkmm/stock.h>
   2 #include <gtkmm2ext/utils.h>
   3
   4 #include "pbd/memento_command.h"
   5 #include "pbd/convert.h"
   6
   7 #include "ardour/transient_detector.h"
   8 #include "ardour/onset_detector.h"
   9 #include "ardour/audiosource.h"
  10 #include "ardour/audioregion.h"
  11 #include "ardour/playlist.h"
  12 #include "ardour/region_factory.h"
  13 #include "ardour/session.h"
  14
  15 #include "rhythm_ferret.h"
  16 #include "audio_region_view.h"
  17 #include "editor.h"
  18 #include "utils.h"
  19 #include "time_axis_view.h"
  20
  21 #include "i18n.h"
  22
  23 using namespace std;
  24 using namespace Gtk;
  25 using namespace Gdk;
  26 using namespace PBD;
  27 using namespace ARDOUR;
  28
  29 /* order of these must match the AnalysisMode enums
  30    in rhythm_ferret.h
  31 */
  32 static const gchar * _analysis_mode_strings[] = {
  33         N_("Percussive Onset"),
  34         N_("Note Onset"),
  35         0
  36 };
  37
  38 static const gchar * _onset_function_strings[] = {
  39         N_("Energy Based"),
  40         N_("Spectral Difference"),
  41         N_("High-Frequency Content"),
  42         N_("Complex Domain"),
  43         N_("Phase Deviation"),
  44         N_("Kullback-Liebler"),
  45         N_("Modified Kullback-Liebler"),
  46         0
  47 };
  48
  49 static const gchar * _operation_strings[] = {
  50         N_("Split region"),
  51         N_("Snap regions"),
  52         N_("Conform regions"),
  53         0
  54 };
  55
  56 RhythmFerret::RhythmFerret (Editor& e)
  57         : ArdourDialog (_("Rhythm Ferret"))
  58         , editor (e)
  59         , detection_threshold_adjustment (3, 0, 20, 1, 4)
  60         , detection_threshold_scale (detection_threshold_adjustment)
  61         , sensitivity_adjustment (40, 0, 100, 1, 10)
  62         , sensitivity_scale (sensitivity_adjustment)
  63         , analyze_button (_("Analyze"))
  64         , peak_picker_threshold_adjustment (0.3, 0.0, 1.0, 0.01, 0.1)
  65         , peak_picker_threshold_scale (peak_picker_threshold_adjustment)
  66         , silence_threshold_adjustment (-90.0, -120.0, 0.0, 1, 10)
  67         , silence_threshold_scale (silence_threshold_adjustment)
  68         , trigger_gap_adjustment (3, 0, 100, 1, 10)
  69         , trigger_gap_spinner (trigger_gap_adjustment)
  70         , action_button (Stock::APPLY)
  71 {
  72         operation_strings = I18N (_operation_strings);
  73         Gtkmm2ext::set_popdown_strings (operation_selector, operation_strings);
  74         operation_selector.set_active (0);
  75
  76         analysis_mode_strings = I18N (_analysis_mode_strings);
  77         Gtkmm2ext::set_popdown_strings (analysis_mode_selector, analysis_mode_strings);
  78         analysis_mode_selector.set_active_text (analysis_mode_strings.front());
  79         analysis_mode_selector.signal_changed().connect (sigc::mem_fun (*this, &RhythmFerret::analysis_mode_changed));
  80
  81         onset_function_strings = I18N (_onset_function_strings);
  82         Gtkmm2ext::set_popdown_strings (onset_detection_function_selector, onset_function_strings);
  83         /* Onset plugin uses complex domain as default function
  84            XXX there should be a non-hacky way to set this
  85          */
  86         onset_detection_function_selector.set_active_text (onset_function_strings[3]);
  87
  88         Table* t = manage (new Table (7, 3));
  89         t->set_spacings (12);
  90
  91         int n = 0;
  92
  93         t->attach (*manage (new Label (_("Mode"), 1, 0.5)), 0, 1, n, n + 1, FILL);
  94         t->attach (analysis_mode_selector, 1, 2, n, n + 1, FILL);
  95         ++n;
  96
  97         t->attach (*manage (new Label (_("Detection function"), 1, 0.5)), 0, 1, n, n + 1, FILL);
  98         t->attach (onset_detection_function_selector, 1, 2, n, n + 1, FILL);
  99         ++n;
 100
 101         t->attach (*manage (new Label (_("Trigger gap"), 1, 0.5)), 0, 1, n, n + 1, FILL);
 102         t->attach (trigger_gap_spinner, 1, 2, n, n + 1, FILL);
 103         t->attach (*manage (new Label (_("ms"))), 2, 3, n, n + 1, FILL);
 104         ++n;
 105
 106         t->attach (*manage (new Label (_("Threshold"), 1, 0.5)), 0, 1, n, n + 1, FILL);
 107         t->attach (detection_threshold_scale, 1, 2, n, n + 1, FILL);
 108         t->attach (*manage (new Label (_("dB"))), 2, 3, n, n + 1, FILL);
 109         ++n;
 110
 111         t->attach (*manage (new Label (_("Peak threshold"), 1, 0.5)), 0, 1, n, n + 1, FILL);
 112         t->attach (peak_picker_threshold_scale, 1, 2, n, n + 1, FILL);
 113         t->attach (*manage (new Label (_("dB"))), 2, 3, n, n + 1, FILL);
 114         ++n;
 115
 116         t->attach (*manage (new Label (_("Silence threshold"), 1, 0.5)), 0, 1, n, n + 1, FILL);
 117         t->attach (silence_threshold_scale, 1, 2, n, n + 1, FILL);
 118         t->attach (*manage (new Label (_("dB"))), 2, 3, n, n + 1, FILL);
 119         ++n;
 120
 121         t->attach (*manage (new Label (_("Sensitivity"), 1, 0.5)), 0, 1, n, n + 1, FILL);
 122         t->attach (sensitivity_scale, 1, 2, n, n + 1, FILL);
 123         ++n;
 124
 125         t->attach (*manage (new Label (_("Operation"), 1, 0.5)), 0, 1, n, n + 1, FILL);
 126         t->attach (operation_selector, 1, 2, n, n + 1, FILL);
 127         ++n;
 128
 129         analyze_button.signal_clicked().connect (sigc::mem_fun (*this, &RhythmFerret::run_analysis));
 130         action_button.signal_clicked().connect (sigc::mem_fun (*this, &RhythmFerret::do_action));
 131
 132         get_vbox()->set_border_width (6);
 133         get_vbox()->set_spacing (6);
 134         get_vbox()->pack_start (*t);
 135
 136         add_action_widget (analyze_button, 1);
 137         add_action_widget (action_button, 0);
 138
 139         show_all ();
 140         analysis_mode_changed ();
 141 }
 142
 143 void
 144 RhythmFerret::analysis_mode_changed ()
 145 {
 146         bool const perc = get_analysis_mode() == PercussionOnset;
 147
 148         detection_threshold_scale.set_sensitive (perc);
 149         sensitivity_scale.set_sensitive (perc);
 150         onset_detection_function_selector.set_sensitive (!perc);
 151         peak_picker_threshold_scale.set_sensitive (!perc);
 152         silence_threshold_scale.set_sensitive (!perc);
 153 }
 154
 155 RhythmFerret::AnalysisMode
 156 RhythmFerret::get_analysis_mode () const
 157 {
 158         string str = analysis_mode_selector.get_active_text ();
 159
 160         if (str == analysis_mode_strings[(int) NoteOnset]) {
 161                 return NoteOnset;
 162         }
 163
 164         return PercussionOnset;
 165 }
 166
 167 RhythmFerret::Action
 168 RhythmFerret::get_action () const
 169 {
 170         if (operation_selector.get_active_row_number() == 1) {
 171                 return SnapRegionsToGrid;
 172         } else if (operation_selector.get_active_row_number() == 2) {
 173                 return ConformRegion;
 174         }
 175
 176         return SplitRegion;
 177 }
 178
 179 void
 180 RhythmFerret::run_analysis ()
 181 {
 182         if (!_session) {
 183                 return;
 184         }
 185
 186         clear_transients ();
 187
 188         regions_with_transients = editor.get_selection().regions;
 189
 190         current_results.clear ();
 191
 192         if (regions_with_transients.empty()) {
 193                 return;
 194         }
 195
 196         for (RegionSelection::iterator i = regions_with_transients.begin(); i != regions_with_transients.end(); ++i) {
 197
 198                 boost::shared_ptr<Readable> rd = boost::static_pointer_cast<AudioRegion> ((*i)->region());
 199
 200                 switch (get_analysis_mode()) {
 201                 case PercussionOnset:
 202                         run_percussion_onset_analysis (rd, (*i)->region()->position(), current_results);
 203                         break;
 204                 case NoteOnset:
 205                         run_note_onset_analysis (rd, (*i)->region()->position(), current_results);
 206                         break;
 207                 default:
 208                         break;
 209                 }
 210
 211                 (*i)->region()->set_transients (current_results);
 212                 current_results.clear();
 213         }
 214 }
 215
 216 int
 217 RhythmFerret::run_percussion_onset_analysis (boost::shared_ptr<Readable> readable, framepos_t /*offset*/, AnalysisFeatureList& results)
 218 {
 219         TransientDetector t (_session->frame_rate());
 220
 221         for (uint32_t i = 0; i < readable->n_channels(); ++i) {
 222
 223                 AnalysisFeatureList these_results;
 224
 225                 t.reset ();
 226                 t.set_threshold (detection_threshold_adjustment.get_value());
 227                 t.set_sensitivity (sensitivity_adjustment.get_value());
 228
 229                 if (t.run ("", readable.get(), i, these_results)) {
 230                         continue;
 231                 }
 232
 233                 /* translate all transients to give absolute position */
 234
 235                 //for (AnalysisFeatureList::iterator x = these_results.begin(); x != these_results.end(); ++x) {
 236                 //      (*x) += offset;
 237                 //}
 238
 239                 /* merge */
 240
 241                 results.insert (results.end(), these_results.begin(), these_results.end());
 242                 these_results.clear ();
 243         }
 244
 245         if (!results.empty()) {
 246                 TransientDetector::cleanup_transients (results, _session->frame_rate(), trigger_gap_adjustment.get_value());
 247         }
 248
 249         return 0;
 250 }
 251
 252 int
 253 RhythmFerret::get_note_onset_function ()
 254 {
 255         string txt = onset_detection_function_selector.get_active_text();
 256
 257         for (int n = 0; _onset_function_strings[n]; ++n) {
 258                 /* compare translated versions */
 259                 if (txt == onset_function_strings[n]) {
 260                         return n;
 261                 }
 262         }
 263         fatal << string_compose (_("programming error: %1 (%2)"), X_("illegal note onset function string"), txt)
 264               << endmsg;
 265         /*NOTREACHED*/
 266         return -1;
 267 }
 268
 269 int
 270 RhythmFerret::run_note_onset_analysis (boost::shared_ptr<Readable> readable, framepos_t /*offset*/, AnalysisFeatureList& results)
 271 {
 272         try {
 273                 OnsetDetector t (_session->frame_rate());
 274
 275                 for (uint32_t i = 0; i < readable->n_channels(); ++i) {
 276
 277                         AnalysisFeatureList these_results;
 278
 279                         t.reset ();
 280
 281                         t.set_function (get_note_onset_function());
 282                         t.set_silence_threshold (silence_threshold_adjustment.get_value());
 283                         t.set_peak_threshold (peak_picker_threshold_adjustment.get_value());
 284
 285                         if (t.run ("", readable.get(), i, these_results)) {
 286                                 continue;
 287                         }
 288
 289                         /* translate all transients to give absolute position */
 290
 291                         //for (AnalysisFeatureList::iterator x = these_results.begin(); x != these_results.end(); ++x) {
 292                         //      (*x) += offset;
 293                         //}
 294
 295                         /* merge */
 296
 297                         results.insert (results.end(), these_results.begin(), these_results.end());
 298                         these_results.clear ();
 299                 }
 300
 301         } catch (failed_constructor& err) {
 302                 error << "Could not load note onset detection plugin" << endmsg;
 303                 return -1;
 304         }
 305
 306         if (!results.empty()) {
 307                 OnsetDetector::cleanup_onsets (results, _session->frame_rate(), trigger_gap_adjustment.get_value());
 308         }
 309
 310         return 0;
 311 }
 312
 313 void
 314 RhythmFerret::do_action ()
 315 {
 316         if (!_session) {
 317                 return;
 318         }
 319
 320         switch (get_action()) {
 321         case SplitRegion:
 322                 do_split_action ();
 323                 break;
 324         case SnapRegionsToGrid:
 325                 editor.snap_regions_to_grid();
 326                 break;
 327         case ConformRegion:
 328                 editor.close_region_gaps();
 329                 break;
 330         default:
 331                 break;
 332         }
 333 }
 334
 335 void
 336 RhythmFerret::do_split_action ()
 337 {
 338         /* XXX: this is quite a special-case; (currently) the only operation which is
 339            performed on the selection only (without entered_regionview or the edit point
 340            being considered)
 341         */
 342         RegionSelection regions = editor.get_regions_from_selection();
 343
 344         if (regions.empty()) {
 345                 return;
 346         }
 347
 348         _session->begin_reversible_command (_("split regions (rhythm ferret)"));
 349
 350         /* Merge the transient positions for regions in consideration */
 351         AnalysisFeatureList merged_features;
 352
 353         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
 354
 355                 AnalysisFeatureList features;
 356                 features = (*i)->region()->transients();
 357
 358                 merged_features.insert (merged_features.end(), features.begin(), features.end());
 359         }
 360
 361         merged_features.sort();
 362         merged_features.unique();
 363
 364         for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ) {
 365
 366                 RegionSelection::iterator tmp;
 367
 368                 tmp = i;
 369                 ++tmp;
 370
 371                 AnalysisFeatureList features;
 372                 features = (*i)->region()->transients();
 373                 editor.split_region_at_points ((*i)->region(), merged_features, false, true);
 374
 375                 /* i is invalid at this point */
 376
 377                 i = tmp;
 378         }
 379
 380         _session->commit_reversible_command ();
 381 }
 382
 383 void
 384 RhythmFerret::set_session (Session* s)
 385 {
 386         ArdourDialog::set_session (s);
 387         current_results.clear ();
 388 }
 389
 390 void
 391 RhythmFerret::on_hide ()
 392 {
 393         ArdourDialog::on_hide ();
 394         clear_transients ();
 395 }
 396
 397 /* Clear any transients that we have added */
 398 void
 399 RhythmFerret::clear_transients ()
 400 {
 401         current_results.clear ();
 402         for (RegionSelection::iterator i = regions_with_transients.begin(); i != regions_with_transients.end(); ++i) {
 403                 (*i)->region()->set_transients (current_results);
 404         }
 405         regions_with_transients.clear ();
 406 }
 407