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
 299                         if (rec_rects.empty()) {
 300                                 recbox.start = _trackview.session()->record_location ();
 301                         } else {
 302                                 recbox.start = _trackview.session()->transport_frame ();
 303                         }
 304                         recbox.length = 0;
 305
 306                         rec_rects.push_back (recbox);
 307
 308                         screen_update_connection.disconnect();
 309                         screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
 310                                         sigc::mem_fun (*this, &AudioStreamView::update_rec_box));
 311                         rec_updating = true;
 312                         rec_active = true;
 313
 314                 } else if (rec_active &&
 315                            (_trackview.session()->record_status() != Session::Recording ||
 316                             !_trackview.track()->record_enabled())) {
 317                         screen_update_connection.disconnect();
 318                         rec_active = false;
 319                         rec_updating = false;
 320                 }
 321
 322         } else {
 323
 324                 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
 325
 326                 if (!rec_rects.empty() || !rec_regions.empty()) {
 327
 328                         /* disconnect rapid update */
 329                         screen_update_connection.disconnect();
 330                         rec_data_ready_connections.drop_connections ();
 331                         rec_updating = false;
 332                         rec_active = false;
 333
 334                         /* remove temp regions */
 335
 336                         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
 337                                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 338
 339                                 tmp = iter;
 340                                 ++tmp;
 341
 342                                 (*iter).first->drop_references ();
 343
 344                                 iter = tmp;
 345                         }
 346
 347                         rec_regions.clear();
 348
 349                         // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
 350
 351                         /* transport stopped, clear boxes */
 352                         for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
 353                                 RecBoxInfo &rect = (*iter);
 354                                 delete rect.rectangle;
 355                         }
 356
 357                         rec_rects.clear();
 358
 359                 }
 360         }
 361 }
 362
 363 void
 364 AudioStreamView::rec_peak_range_ready (framepos_t start, framecnt_t cnt, boost::weak_ptr<Source> weak_src)
 365 {
 366         ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
 367
 368         boost::shared_ptr<Source> src (weak_src.lock());
 369
 370         if (!src) {
 371                 return;
 372         }
 373
 374         // this is called from the peak building thread
 375
 376         if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_frame) {
 377                 last_rec_data_frame = start + cnt;
 378         }
 379
 380         rec_data_ready_map[src] = true;
 381
 382         if (rec_data_ready_map.size() == _trackview.track()->n_channels().n_audio()) {
 383                 update_rec_regions (start, cnt);
 384                 rec_data_ready_map.clear();
 385         }
 386 }
 387
 388 void
 389 AudioStreamView::update_rec_regions (framepos_t start, framecnt_t cnt)
 390 {
 391         if (!Config->get_show_waveforms_while_recording ()) {
 392                 return;
 393         }
 394
 395         uint32_t n = 0;
 396
 397         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
 398
 399                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
 400                 ++tmp;
 401
 402                 assert (n < rec_rects.size());
 403
 404                 if (!rec_rects[n].rectangle->visible()) {
 405                         /* rect already hidden, this region is done */
 406                         iter = tmp;
 407                         continue;
 408                 }
 409
 410                 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
 411
 412                 if (!region) {
 413                         iter = tmp;
 414                         continue;
 415                 }
 416
 417                 framecnt_t origlen = region->length();
 418
 419                 if (region == rec_regions.back().first && rec_active) {
 420
 421                         if (last_rec_data_frame > region->start()) {
 422
 423                                 framecnt_t nlen = last_rec_data_frame - region->start();
 424
 425                                 if (nlen != region->length()) {
 426
 427                                         region->suspend_property_changes ();
 428                                         region->set_position (_trackview.track()->get_capture_start_frame(n));
 429                                         region->set_length (nlen);
 430                                         region->resume_property_changes ();
 431
 432                                         if (origlen == 1) {
 433                                                 /* our special initial length */
 434                                                 add_region_view_internal (region, false, true);
 435                                                 setup_new_rec_layer_time (region);
 436                                         }
 437
 438                                         check_record_layers (region, (region->position() - region->start() + start + cnt));
 439
 440                                         /* also update rect */
 441                                         ArdourCanvas::Rectangle * rect = rec_rects[n].rectangle;
 442                                         gdouble xend = _trackview.editor().sample_to_pixel (region->position() + region->length());
 443                                         rect->set_x1 (xend);
 444                                 }
 445
 446                         } else {
 447
 448                                 framecnt_t nlen = _trackview.track()->get_captured_frames(n);
 449
 450                                 if (nlen != region->length()) {
 451
 452                                         if (region->source_length(0) >= region->start() + nlen) {
 453
 454                                                 region->suspend_property_changes ();
 455                                                 region->set_position (_trackview.track()->get_capture_start_frame(n));
 456                                                 region->set_length (nlen);
 457                                                 region->resume_property_changes ();
 458
 459                                                 if (origlen == 1) {
 460                                                         /* our special initial length */
 461                                                         add_region_view_internal (region, false, true);
 462                                                 }
 463
 464                                                 /* also hide rect */
 465                                                 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
 466                                                 rect->hide();
 467
 468                                         }
 469                                 }
 470                         }
 471                 }
 472
 473                 iter = tmp;
 474         }
 475 }
 476
 477 void
 478 AudioStreamView::show_all_fades ()
 479 {
 480         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 481                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 482                 if (arv) {
 483                         arv->set_fade_visibility (true);
 484                 }
 485         }
 486 }
 487
 488 void
 489 AudioStreamView::hide_all_fades ()
 490 {
 491         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 492                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 493                 if (arv) {
 494                         arv->set_fade_visibility (false);
 495                 }
 496         }
 497 }
 498
 499 /** Hide xfades for regions that overlap ar.
 500  *  @return Pair of lists; first is the AudioRegionViews that start xfades were hidden for,
 501  *  second is the AudioRegionViews that end xfades were hidden for.
 502  */
 503 pair<list<AudioRegionView*>, list<AudioRegionView*> >
 504 AudioStreamView::hide_xfades_with (boost::shared_ptr<AudioRegion> ar)
 505 {
 506         list<AudioRegionView*> start_hidden;
 507         list<AudioRegionView*> end_hidden;
 508
 509         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 510                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 511                 if (arv) {
 512                         switch (arv->region()->coverage (ar->position(), ar->last_frame())) {
 513                         case Evoral::OverlapNone:
 514                                 break;
 515                         default:
 516                                 if (arv->start_xfade_visible ()) {
 517                                         start_hidden.push_back (arv);
 518                                 }
 519                                 if (arv->end_xfade_visible ()) {
 520                                         end_hidden.push_back (arv);
 521                                 }
 522                                 arv->hide_xfades ();
 523                                 break;
 524                         }
 525                 }
 526         }
 527
 528         return make_pair (start_hidden, end_hidden);
 529 }
 530
 531 void
 532 AudioStreamView::color_handler ()
 533 {
 534         //case cAudioTrackBase:
 535         if (_trackview.is_track()) {
 536                 canvas_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_AudioTrackBase());
 537         }
 538
 539         //case cAudioBusBase:
 540         if (!_trackview.is_track()) {
 541                 if (Profile->get_sae() && _trackview.route()->is_master()) {
 542                         canvas_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_AudioMasterBusBase());
 543                 } else {
 544                         canvas_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_AudioBusBase());
 545                 }
 546         }
 547 }