gtk2_ardour/audio_streamview.cc

   1 /*
   2     Copyright (C) 2001, 2006 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 */
  18
  19 #include <cmath>
  20 #include <cassert>
  21 #include <utility>
  22
  23 #include <gtkmm.h>
  24
  25 #include <gtkmm2ext/gtk_ui.h>
  26
  27 #include "pbd/stacktrace.h"
  28
  29 #include "ardour/audioregion.h"
  30 #include "ardour/audiofilesource.h"
  31 #include "ardour/audio_track.h"
  32 #include "ardour/region_factory.h"
  33 #include "ardour/profile.h"
  34 #include "ardour/rc_configuration.h"
  35 #include "ardour/session.h"
  36
  37 #include "canvas/rectangle.h"
  38
  39 #include "audio_streamview.h"
  40 #include "audio_region_view.h"
  41 #include "tape_region_view.h"
  42 #include "audio_time_axis.h"
  43 #include "region_selection.h"
  44 #include "selection.h"
  45 #include "public_editor.h"
  46 #include "ardour_ui.h"
  47 #include "rgb_macros.h"
  48 #include "gui_thread.h"
  49
  50 #include "i18n.h"
  51
  52 using namespace std;
  53 using namespace ARDOUR;
  54 using namespace PBD;
  55 using namespace Editing;
  56
  57 AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
  58         : StreamView (tv)
  59 {
  60         color_handler ();
  61         _amplitude_above_axis = 1.0;
  62 }
  63
  64 int
  65 AudioStreamView::set_amplitude_above_axis (gdouble app)
  66 {
  67         RegionViewList::iterator i;
  68
  69         if (app < 1.0) {
  70                 return -1;
  71         }
  72
  73         _amplitude_above_axis = app;
  74
  75         for (i = region_views.begin(); i != region_views.end(); ++i) {
  76                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
  77                 if (arv)
  78                         arv->set_amplitude_above_axis (app);
  79         }
  80
  81         return 0;
  82 }
  83
  84 RegionView*
  85 AudioStreamView::create_region_view (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
  86 {
  87         AudioRegionView *region_view = 0;
  88         boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
  89
  90         if (region == 0) {
  91                 return 0;
  92         }
  93
  94         switch (_trackview.audio_track()->mode()) {
  95
  96         case NonLayered:
  97         case Normal:
  98                 if (recording) {
  99                         region_view = new AudioRegionView (_canvas_group, _trackview, region,
 100                                                            _samples_per_pixel, region_color, recording, TimeAxisViewItem::Visibility(
 101                                                                    TimeAxisViewItem::ShowFrame |
 102                                                                    TimeAxisViewItem::HideFrameRight |
 103                                                                    TimeAxisViewItem::HideFrameLeft |
 104                                                                    TimeAxisViewItem::HideFrameTB));
 105                 } else {
 106                         region_view = new AudioRegionView (_canvas_group, _trackview, region,
 107                                         _samples_per_pixel, region_color);
 108                 }
 109                 break;
 110         case Destructive:
 111                 region_view = new TapeAudioRegionView (_canvas_group, _trackview, region,
 112                                                        _samples_per_pixel, region_color);
 113                 break;
 114         default:
 115                 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::add_region_view_internal") << endmsg;
 116                 /*NOTREACHED*/
 117
 118         }
 119
 120         region_view->init (wait_for_waves);
 121         region_view->set_amplitude_above_axis(_amplitude_above_axis);
 122         region_view->set_height (child_height ());
 123
 124         /* if its the special single-sample length that we use for rec-regions, make it
 125            insensitive to events
 126         */
 127
 128         if (region->length() == 1) {
 129                 region_view->set_sensitive (false);
 130         }
 131
 132         return region_view;
 133 }
 134
 135 RegionView*
 136 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
 137 {
 138         RegionView *region_view = create_region_view (r, wait_for_waves, recording);
 139
 140         if (region_view == 0) {
 141                 return 0;
 142         }
 143
 144 //      if(!recording){
 145 //              for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 146 //                      if ((*i)->region() == r) {
 147 //                              cerr << "audio_streamview in add_region_view_internal region found" << endl;
 148                                 /* great. we already have a AudioRegionView for this Region. use it again. */
 149
 150 //                              (*i)->set_valid (true);
 151
 152                                 // this might not be necessary
 153 //                              AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 154
 155 //                              if (arv) {
 156 //                                      arv->set_waveform_scale (_waveform_scale);
 157 //                                      arv->set_waveform_shape (_waveform_shape);
 158 //                              }
 159
 160 //                              return NULL;
 161 //                      }
 162 //              }
 163 //      }
 164
 165         region_views.push_front (region_view);
 166
 167         if (_trackview.editor().internal_editing()) {
 168                 region_view->hide_rect ();
 169         } else {
 170                 region_view->show_rect ();
 171         }
 172
 173         /* catch region going away */
 174
 175         r->DropReferences.connect (*this, invalidator (*this), boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
 176
 177         RegionViewAdded (region_view);
 178
 179         return region_view;
 180 }
 181
 182 void
 183 AudioStreamView::redisplay_track ()
 184 {
 185         list<RegionView *>::iterator i;
 186
 187         // Flag region views as invalid and disable drawing
 188         for (i = region_views.begin(); i != region_views.end(); ++i) {
 189                 (*i)->set_valid (false);
 190                 (*i)->enable_display (false);
 191         }
 192
 193         // Add and display views, and flag them as valid
 194         if (_trackview.is_audio_track()) {
 195                 _trackview.track()->playlist()->foreach_region(
 196                         sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
 197                         );
 198         }
 199
 200         // Stack regions by layer, and remove invalid regions
 201         layer_regions();
 202 }
 203
 204 void
 205 AudioStreamView::setup_rec_box ()
 206 {
 207         //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
 208
 209         if (_trackview.session()->transport_rolling()) {
 210
 211                 // cerr << "\trolling\n";
 212
 213                 if (!rec_active &&
 214                     _trackview.session()->record_status() == Session::Recording &&
 215                     _trackview.track()->record_enabled()) {
 216                         if (_trackview.audio_track()->mode() == Normal && Config->get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
 217
 218                                 /* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
 219
 220                                 SourceList sources;
 221
 222                                 rec_data_ready_connections.drop_connections ();
 223                                 boost::shared_ptr<AudioTrack> tr = _trackview.audio_track();
 224
 225                                 for (uint32_t n = 0; n < tr->n_channels().n_audio(); ++n) {
 226                                         boost::shared_ptr<AudioFileSource> src = tr->write_source (n);
 227                                         if (src) {
 228                                                 sources.push_back (src);
 229                                                 src->PeakRangeReady.connect (rec_data_ready_connections,
 230                                                                              invalidator (*this),
 231                                                                              boost::bind (&AudioStreamView::rec_peak_range_ready, this, _1, _2, boost::weak_ptr<Source>(src)),
 232                                                                              gui_context());
 233                                         }
 234                                 }
 235
 236                                 // handle multi
 237
 238                                 framepos_t start = 0;
 239                                 if (rec_regions.size() > 0) {
 240                                         start = rec_regions.back().first->start()
 241                                                         + _trackview.track()->get_captured_frames(rec_regions.size()-1);
 242                                 }
 243
 244                                 PropertyList plist;
 245
 246                                 plist.add (Properties::start, start);
 247                                 plist.add (Properties::length, 1);
 248                                 plist.add (Properties::name, string());
 249                                 plist.add (Properties::layer, 0);
 250
 251                                 boost::shared_ptr<AudioRegion> region (
 252                                         boost::dynamic_pointer_cast<AudioRegion>(RegionFactory::create (sources, plist, false)));
 253
 254                                 assert(region);
 255                                 region->set_position (_trackview.session()->transport_frame());
 256                                 rec_regions.push_back (make_pair(region, (RegionView*) 0));
 257                         }
 258
 259                         /* start a new rec box */
 260
 261                         boost::shared_ptr<AudioTrack> at;
 262
 263                         at = _trackview.audio_track(); /* we know what it is already */
 264                         framepos_t const frame_pos = at->current_capture_start ();
 265                         gdouble xstart = _trackview.editor().sample_to_pixel (frame_pos);
 266                         gdouble xend = xstart; /* keeps gcc optimized happy, really set in switch() below */
 267                         uint32_t fill_color;
 268
 269                         switch (_trackview.audio_track()->mode()) {
 270                         case Normal:
 271                         case NonLayered:
 272                                 xend = xstart;
 273                                 fill_color = ARDOUR_UI::config()->get_canvasvar_RecordingRect();
 274                                 break;
 275
 276                         case Destructive:
 277                                 xend = xstart + 2;
 278                                 fill_color = ARDOUR_UI::config()->get_canvasvar_RecordingRect();
 279                                 /* make the recording rect translucent to allow
 280                                    the user to see the peak data coming in, etc.
 281                                 */
 282                                 fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
 283                                 break;
 284                         }
 285
 286                         ArdourCanvas::Rectangle * rec_rect = new ArdourCanvas::Rectangle (_canvas_group);
 287                         rec_rect->set_x0 (xstart);
 288                         rec_rect->set_y0 (1);
 289                         rec_rect->set_x1 (xend);
 290                         rec_rect->set_y1 (child_height ());
 291                         rec_rect->set_outline_what (ArdourCanvas::Rectangle::What (0));
 292                         rec_rect->set_outline_color (ARDOUR_UI::config()->get_canvasvar_TimeAxisFrame());
 293                         rec_rect->set_fill_color (fill_color);
 294                         rec_rect->lower_to_bottom();
 295
 296                         RecBoxInfo recbox;
 297                         recbox.rectangle = rec_rect;
 298                         recbox.start = _trackview.session()->transport_frame();
 299                         recbox.length = 0;
 300
 301                         rec_rects.push_back (recbox);
 302
 303                         screen_update_connection.disconnect();
 304                         screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
 305                                         sigc::mem_fun (*this, &AudioStreamView::update_rec_box));
 306                         rec_updating = true;
 307                         rec_active = true;
 308
 309                 } else if (rec_active &&
 310                            (_trackview.session()->record_status() != Session::Recording ||
 311                             !_trackview.track()->record_enabled())) {
 312                         screen_update_connection.disconnect();
 313                         rec_active = false;
 314                         rec_updating = false;
 315                 }
 316
 317         } else {
 318
 319                 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
 320
 321                 if (!rec_rects.empty() || !rec_regions.empty()) {
 322
 323                         /* disconnect rapid update */
 324                         screen_update_connection.disconnect();
 325                         rec_data_ready_connections.drop_connections ();
 326                         rec_updating = false;
 327                         rec_active = false;
 328
 329                         /* remove temp regions */
 330
 331                         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
 332                                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 333
 334                                 tmp = iter;
 335                                 ++tmp;
 336
 337                                 (*iter).first->drop_references ();
 338
 339                                 iter = tmp;
 340                         }
 341
 342                         rec_regions.clear();
 343
 344                         // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
 345
 346                         /* transport stopped, clear boxes */
 347                         for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
 348                                 RecBoxInfo &rect = (*iter);
 349                                 delete rect.rectangle;
 350                         }
 351
 352                         rec_rects.clear();
 353
 354                 }
 355         }
 356 }
 357
 358 void
 359 AudioStreamView::rec_peak_range_ready (framepos_t start, framecnt_t cnt, boost::weak_ptr<Source> weak_src)
 360 {
 361         ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
 362
 363         boost::shared_ptr<Source> src (weak_src.lock());
 364
 365         if (!src) {
 366                 return;
 367         }
 368
 369         // this is called from the peak building thread
 370
 371         if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_frame) {
 372                 last_rec_data_frame = start + cnt;
 373         }
 374
 375         rec_data_ready_map[src] = true;
 376
 377         if (rec_data_ready_map.size() == _trackview.track()->n_channels().n_audio()) {
 378                 update_rec_regions (start, cnt);
 379                 rec_data_ready_map.clear();
 380         }
 381 }
 382
 383 void
 384 AudioStreamView::update_rec_regions (framepos_t start, framecnt_t cnt)
 385 {
 386         if (!Config->get_show_waveforms_while_recording ()) {
 387                 return;
 388         }
 389
 390         uint32_t n = 0;
 391
 392         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
 393
 394                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
 395                 ++tmp;
 396
 397                 assert (n < rec_rects.size());
 398
 399                 if (!rec_rects[n].rectangle->visible()) {
 400                         /* rect already hidden, this region is done */
 401                         iter = tmp;
 402                         continue;
 403                 }
 404
 405                 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
 406
 407                 if (!region) {
 408                         iter = tmp;
 409                         continue;
 410                 }
 411
 412                 framecnt_t origlen = region->length();
 413
 414                 if (region == rec_regions.back().first && rec_active) {
 415
 416                         if (last_rec_data_frame > region->start()) {
 417
 418                                 framecnt_t nlen = last_rec_data_frame - region->start();
 419
 420                                 if (nlen != region->length()) {
 421
 422                                         region->suspend_property_changes ();
 423                                         region->set_position (_trackview.track()->get_capture_start_frame(n));
 424                                         region->set_length (nlen);
 425                                         region->resume_property_changes ();
 426
 427                                         if (origlen == 1) {
 428                                                 /* our special initial length */
 429                                                 add_region_view_internal (region, false, true);
 430                                                 setup_new_rec_layer_time (region);
 431                                         }
 432
 433                                         check_record_layers (region, (region->position() - region->start() + start + cnt));
 434
 435                                         /* also update rect */
 436                                         ArdourCanvas::Rectangle * rect = rec_rects[n].rectangle;
 437                                         gdouble xend = _trackview.editor().sample_to_pixel (region->position() + region->length());
 438                                         rect->set_x1 (xend);
 439                                 }
 440
 441                         } else {
 442
 443                                 framecnt_t nlen = _trackview.track()->get_captured_frames(n);
 444
 445                                 if (nlen != region->length()) {
 446
 447                                         if (region->source_length(0) >= region->start() + nlen) {
 448
 449                                                 region->suspend_property_changes ();
 450                                                 region->set_position (_trackview.track()->get_capture_start_frame(n));
 451                                                 region->set_length (nlen);
 452                                                 region->resume_property_changes ();
 453
 454                                                 if (origlen == 1) {
 455                                                         /* our special initial length */
 456                                                         add_region_view_internal (region, false, true);
 457                                                 }
 458
 459                                                 /* also hide rect */
 460                                                 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
 461                                                 rect->hide();
 462
 463                                         }
 464                                 }
 465                         }
 466                 }
 467
 468                 iter = tmp;
 469         }
 470 }
 471
 472 void
 473 AudioStreamView::show_all_fades ()
 474 {
 475         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 476                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 477                 if (arv) {
 478                         arv->set_fade_visibility (true);
 479                 }
 480         }
 481 }
 482
 483 void
 484 AudioStreamView::hide_all_fades ()
 485 {
 486         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 487                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 488                 if (arv) {
 489                         arv->set_fade_visibility (false);
 490                 }
 491         }
 492 }
 493
 494 /** Hide xfades for regions that overlap ar.
 495  *  @return Pair of lists; first is the AudioRegionViews that start xfades were hidden for,
 496  *  second is the AudioRegionViews that end xfades were hidden for.
 497  */
 498 pair<list<AudioRegionView*>, list<AudioRegionView*> >
 499 AudioStreamView::hide_xfades_with (boost::shared_ptr<AudioRegion> ar)
 500 {
 501         list<AudioRegionView*> start_hidden;
 502         list<AudioRegionView*> end_hidden;
 503
 504         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 505                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 506                 if (arv) {
 507                         switch (arv->region()->coverage (ar->position(), ar->last_frame())) {
 508                         case Evoral::OverlapNone:
 509                                 break;
 510                         default:
 511                                 if (arv->start_xfade_visible ()) {
 512                                         start_hidden.push_back (arv);
 513                                 }
 514                                 if (arv->end_xfade_visible ()) {
 515                                         end_hidden.push_back (arv);
 516                                 }
 517                                 arv->hide_xfades ();
 518                                 break;
 519                         }
 520                 }
 521         }
 522
 523         return make_pair (start_hidden, end_hidden);
 524 }
 525
 526 void
 527 AudioStreamView::color_handler ()
 528 {
 529         //case cAudioTrackBase:
 530         if (_trackview.is_track()) {
 531                 canvas_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_AudioTrackBase());
 532         }
 533
 534         //case cAudioBusBase:
 535         if (!_trackview.is_track()) {
 536                 if (Profile->get_sae() && _trackview.route()->is_master()) {
 537                         canvas_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_AudioMasterBusBase());
 538                 } else {
 539                         canvas_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_AudioBusBase());
 540                 }
 541         }
 542 }