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 "ardour/audioplaylist.h"
  28 #include "ardour/audioregion.h"
  29 #include "ardour/audiofilesource.h"
  30 #include "ardour/audio_diskstream.h"
  31 #include "ardour/audio_track.h"
  32 #include "ardour/playlist_templates.h"
  33 #include "ardour/source.h"
  34 #include "ardour/region_factory.h"
  35 #include "ardour/profile.h"
  36
  37 #include "audio_streamview.h"
  38 #include "audio_region_view.h"
  39 #include "tape_region_view.h"
  40 #include "audio_time_axis.h"
  41 #include "canvas-waveview.h"
  42 #include "canvas-simplerect.h"
  43 #include "region_selection.h"
  44 #include "selection.h"
  45 #include "public_editor.h"
  46 #include "ardour_ui.h"
  47 #include "crossfade_view.h"
  48 #include "rgb_macros.h"
  49 #include "gui_thread.h"
  50 #include "utils.h"
  51
  52 #include "i18n.h"
  53
  54 using namespace std;
  55 using namespace ARDOUR;
  56 using namespace PBD;
  57 using namespace Editing;
  58
  59 AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
  60         : StreamView (tv)
  61 {
  62         crossfades_visible = true;
  63         _waveform_scale = LinearWaveform;
  64         _waveform_shape = Traditional;
  65         color_handler ();
  66         _amplitude_above_axis = 1.0;
  67
  68         use_rec_regions = tv.editor().show_waveforms_recording ();
  69 }
  70
  71 AudioStreamView::~AudioStreamView ()
  72 {
  73 }
  74
  75 int
  76 AudioStreamView::set_samples_per_unit (gdouble spp)
  77 {
  78         StreamView::set_samples_per_unit(spp);
  79
  80         for (CrossfadeViewList::iterator xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
  81                 (*xi)->set_samples_per_unit (spp);
  82         }
  83
  84         return 0;
  85 }
  86
  87 int
  88 AudioStreamView::set_amplitude_above_axis (gdouble app)
  89 {
  90         RegionViewList::iterator i;
  91
  92         if (app < 1.0) {
  93                 return -1;
  94         }
  95
  96         _amplitude_above_axis = app;
  97
  98         for (i = region_views.begin(); i != region_views.end(); ++i) {
  99                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 100                 if (arv)
 101                         arv->set_amplitude_above_axis (app);
 102         }
 103
 104         return 0;
 105 }
 106
 107 RegionView*
 108 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
 109 {
 110         AudioRegionView *region_view = 0;
 111         boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
 112
 113         if (region == 0) {
 114                 return NULL;
 115         }
 116
 117 //      if(!recording){
 118 //              for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 119 //                      if ((*i)->region() == r) {
 120 //                              cerr << "audio_streamview in add_region_view_internal region found" << endl;
 121                                 /* great. we already have a AudioRegionView for this Region. use it again. */
 122
 123 //                              (*i)->set_valid (true);
 124
 125                                 // this might not be necessary
 126 //                              AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 127
 128 //                              if (arv) {
 129 //                                      arv->set_waveform_scale (_waveform_scale);
 130 //                                      arv->set_waveform_shape (_waveform_shape);
 131 //                              }
 132
 133 //                              return NULL;
 134 //                      }
 135 //              }
 136 //      }
 137
 138         switch (_trackview.audio_track()->mode()) {
 139
 140         case NonLayered:
 141         case Normal:
 142                 if (recording) {
 143                         region_view = new AudioRegionView (canvas_group, _trackview, region,
 144                                         _samples_per_unit, region_color, recording, TimeAxisViewItem::Visibility(
 145                                                         TimeAxisViewItem::ShowFrame | TimeAxisViewItem::HideFrameRight));
 146                 } else {
 147                         region_view = new AudioRegionView (canvas_group, _trackview, region,
 148                                         _samples_per_unit, region_color);
 149                 }
 150                 break;
 151         case Destructive:
 152                 region_view = new TapeAudioRegionView (canvas_group, _trackview, region,
 153                                 _samples_per_unit, region_color);
 154                 break;
 155         default:
 156                 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::add_region_view_internal") << endmsg;
 157                 /*NOTREACHED*/
 158
 159         }
 160
 161         region_view->init (region_color, wait_for_waves);
 162         region_view->set_amplitude_above_axis(_amplitude_above_axis);
 163         region_view->set_height (child_height ());
 164         region_views.push_front (region_view);
 165
 166         /* if its the special single-sample length that we use for rec-regions, make it
 167            insensitive to events
 168         */
 169
 170         if (region->length() == 1) {
 171                 region_view->set_sensitive (false);
 172         }
 173
 174         /* if this was the first one, then lets query the waveform scale and shape.
 175            otherwise, we set it to the current value */
 176
 177         if (region_views.size() == 1) {
 178
 179                 if (region_view->waveform_logscaled()) {
 180                         _waveform_scale = LogWaveform;
 181                 } else {
 182                         _waveform_scale = LinearWaveform;
 183                 }
 184
 185                 if (region_view->waveform_rectified()) {
 186                         _waveform_shape = Rectified;
 187                 } else {
 188                         _waveform_shape = Traditional;
 189                 }
 190         }
 191         else {
 192                 region_view->set_waveform_scale(_waveform_scale);
 193                 region_view->set_waveform_shape(_waveform_shape);
 194         }
 195
 196         /* follow global waveform setting */
 197         region_view->set_waveform_visible(_trackview.editor().show_waveforms());
 198
 199         /* catch regionview going away */
 200         region->GoingAway.connect (bind (mem_fun (*this, &AudioStreamView::remove_region_view), boost::weak_ptr<Region> (r)));
 201
 202         RegionViewAdded (region_view);
 203
 204         return region_view;
 205 }
 206
 207 void
 208 AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
 209 {
 210         ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_region_view), weak_r));
 211
 212         boost::shared_ptr<Region> r (weak_r.lock());
 213
 214         if (!r) {
 215                 return;
 216         }
 217
 218         if (!_trackview.session().deletion_in_progress()) {
 219
 220                 for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end();) {
 221                         list<CrossfadeView*>::iterator tmp;
 222
 223                         tmp = i;
 224                         ++tmp;
 225
 226                         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(r);
 227                         if (ar && (*i)->crossfade->involves (ar)) {
 228                                 delete *i;
 229                                 crossfade_views.erase (i);
 230                         }
 231
 232                         i = tmp;
 233                 }
 234         }
 235
 236         StreamView::remove_region_view(r);
 237 }
 238
 239 void
 240 AudioStreamView::undisplay_diskstream ()
 241 {
 242         StreamView::undisplay_diskstream();
 243
 244         for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 245                 delete *i;
 246         }
 247
 248         crossfade_views.clear ();
 249 }
 250
 251 void
 252 AudioStreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
 253 {
 254         boost::shared_ptr<Diskstream> sp (ds.lock());
 255         if (sp) {
 256                 playlist_modified (sp);
 257         }
 258 }
 259
 260 void
 261 AudioStreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
 262 {
 263         /* we do not allow shared_ptr<T> to be bound to slots */
 264         ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::playlist_modified_weak), ds));
 265
 266         StreamView::playlist_modified (ds);
 267
 268         /* make sure xfades are on top and all the regionviews are stacked correctly. */
 269
 270         for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 271                 (*i)->get_canvas_group()->raise_to_top();
 272         }
 273 }
 274
 275 void
 276 AudioStreamView::playlist_changed_weak (boost::weak_ptr<Diskstream> ds)
 277 {
 278         boost::shared_ptr<Diskstream> sp (ds.lock());
 279         if (sp) {
 280                 playlist_changed (sp);
 281         }
 282 }
 283
 284 void
 285 AudioStreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
 286 {
 287         ENSURE_GUI_THREAD (bind (
 288                         mem_fun (*this, &AudioStreamView::playlist_changed_weak),
 289                         boost::weak_ptr<Diskstream> (ds)));
 290
 291         StreamView::playlist_changed(ds);
 292
 293         boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(ds->playlist());
 294         if (apl) {
 295                 playlist_connections.push_back (apl->NewCrossfade.connect (
 296                                 mem_fun (*this, &AudioStreamView::add_crossfade)));
 297         }
 298 }
 299
 300 void
 301 AudioStreamView::add_crossfade_weak (boost::weak_ptr<Crossfade> crossfade)
 302 {
 303         boost::shared_ptr<Crossfade> sp (crossfade.lock());
 304
 305         if (!sp) {
 306                 return;
 307         }
 308
 309         add_crossfade (sp);
 310 }
 311
 312 void
 313 AudioStreamView::add_crossfade (boost::shared_ptr<Crossfade> crossfade)
 314 {
 315         AudioRegionView* lview = 0;
 316         AudioRegionView* rview = 0;
 317
 318         /* we do not allow shared_ptr<T> to be bound to slots */
 319
 320         ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_crossfade_weak), boost::weak_ptr<Crossfade> (crossfade)));
 321
 322         /* first see if we already have a CrossfadeView for this Crossfade */
 323
 324         for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 325                 if ((*i)->crossfade == crossfade) {
 326
 327                         if (!crossfades_visible || _layer_display == Stacked) {
 328                                 (*i)->hide();
 329                         } else {
 330                                 (*i)->show ();
 331                         }
 332                         (*i)->set_valid (true);
 333                         return;
 334                 }
 335         }
 336
 337         /* create a new one */
 338
 339         for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 340                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
 341
 342                 if (!lview && arv && (arv->region() == crossfade->out())) {
 343                         lview = arv;
 344                 }
 345                 if (!rview && arv && (arv->region() == crossfade->in())) {
 346                         rview = arv;
 347                 }
 348         }
 349
 350         CrossfadeView *cv = new CrossfadeView (_trackview.canvas_display (),
 351                                                _trackview,
 352                                                 crossfade,
 353                                                _samples_per_unit,
 354                                                region_color,
 355                                                *lview, *rview);
 356         cv->set_valid (true);
 357         crossfade->Invalidated.connect (mem_fun (*this, &AudioStreamView::remove_crossfade));
 358         crossfade_views.push_back (cv);
 359         if (!Config->get_xfades_visible() || !crossfades_visible || _layer_display == Stacked) {
 360                 cv->hide ();
 361         }
 362 }
 363
 364 void
 365 AudioStreamView::remove_crossfade (boost::shared_ptr<Region> r)
 366 {
 367         ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_crossfade), r));
 368
 369         boost::shared_ptr<Crossfade> xfade = boost::dynamic_pointer_cast<Crossfade> (r);
 370
 371         for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 372                 if ((*i)->crossfade == xfade) {
 373                         delete *i;
 374                         crossfade_views.erase (i);
 375                         break;
 376                 }
 377         }
 378 }
 379
 380 void
 381 AudioStreamView::redisplay_diskstream ()
 382 {
 383         list<RegionView *>::iterator i;
 384         list<CrossfadeView*>::iterator xi, tmpx;
 385
 386         // Flag region views as invalid and disable drawing
 387         for (i = region_views.begin(); i != region_views.end(); ++i) {
 388                 (*i)->set_valid (false);
 389                 (*i)->enable_display (false);
 390         }
 391
 392         // Flag crossfade views as invalid
 393         for (xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
 394                 (*xi)->set_valid (false);
 395                 if ((*xi)->visible() && _layer_display != Stacked) {
 396                         (*xi)->show ();
 397                 }
 398         }
 399
 400         // Add and display region and crossfade views, and flag them as valid
 401
 402         if (_trackview.is_audio_track()) {
 403                 _trackview.get_diskstream()->playlist()->foreach_region(
 404                                 static_cast<StreamView*>(this),
 405                                 &StreamView::add_region_view);
 406
 407                 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(
 408                                 _trackview.get_diskstream()->playlist());
 409                 if (apl)
 410                         apl->foreach_crossfade (this, &AudioStreamView::add_crossfade);
 411         }
 412
 413         // Remove invalid crossfade views
 414         for (xi = crossfade_views.begin(); xi != crossfade_views.end();) {
 415                 tmpx = xi;
 416                 tmpx++;
 417
 418                 if (!(*xi)->valid()) {
 419                         delete *xi;
 420                         crossfade_views.erase (xi);
 421                 }
 422
 423                 xi = tmpx;
 424         }
 425
 426         // Stack regions by layer, and remove invalid regions
 427         layer_regions();
 428 }
 429
 430 void
 431 AudioStreamView::set_show_waveforms (bool yn)
 432 {
 433         for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 434                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 435                 if (arv) {
 436                         arv->set_waveform_visible (yn);
 437                 }
 438         }
 439 }
 440
 441 void
 442 AudioStreamView::set_waveform_shape (WaveformShape shape)
 443 {
 444         for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 445                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 446                 if (arv)
 447                         arv->set_waveform_shape (shape);
 448         }
 449         _waveform_shape = shape;
 450 }
 451
 452 void
 453 AudioStreamView::set_waveform_scale (WaveformScale scale)
 454 {
 455         for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 456                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 457                 if (arv)
 458                         arv->set_waveform_scale (scale);
 459         }
 460         _waveform_scale = scale;
 461 }
 462
 463 void
 464 AudioStreamView::setup_rec_box ()
 465 {
 466         //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
 467
 468         if (_trackview.session().transport_rolling()) {
 469
 470                 // cerr << "\trolling\n";
 471
 472                 if (!rec_active &&
 473                     _trackview.session().record_status() == Session::Recording &&
 474                     _trackview.get_diskstream()->record_enabled()) {
 475                         if (_trackview.audio_track()->mode() == Normal && use_rec_regions && rec_regions.size() == rec_rects.size()) {
 476
 477                                 /* add a new region, but don't bother if they set use_rec_regions mid-record */
 478
 479                                 SourceList sources;
 480
 481                                 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
 482                                         (*prc).disconnect();
 483                                 }
 484                                 rec_data_ready_connections.clear();
 485
 486                                 // FIXME
 487                                 boost::shared_ptr<AudioDiskstream> ads = boost::dynamic_pointer_cast<AudioDiskstream>(_trackview.get_diskstream());
 488                                 assert(ads);
 489
 490                                 for (uint32_t n=0; n < ads->n_channels().n_audio(); ++n) {
 491                                         boost::shared_ptr<AudioFileSource> src = boost::static_pointer_cast<AudioFileSource> (ads->write_source (n));
 492                                         if (src) {
 493                                                 sources.push_back (src);
 494
 495                                                 rec_data_ready_connections.push_back (src->PeakRangeReady.connect (bind
 496                                                         (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), boost::weak_ptr<Source>(src))));
 497                                         }
 498                                 }
 499
 500                                 // handle multi
 501
 502                                 nframes_t start = 0;
 503                                 if (rec_regions.size() > 0) {
 504                                         start = rec_regions.back().first->start() + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
 505                                 }
 506
 507                                 boost::shared_ptr<AudioRegion> region (boost::dynamic_pointer_cast<AudioRegion>
 508                                                                        (RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
 509                                 assert(region);
 510                                 region->set_position (_trackview.session().transport_frame(), this);
 511                                 rec_regions.push_back (make_pair(region, (RegionView*)0));
 512                         }
 513
 514                         /* start a new rec box */
 515
 516                         boost::shared_ptr<AudioTrack> at;
 517
 518                         at = _trackview.audio_track(); /* we know what it is already */
 519                         boost::shared_ptr<AudioDiskstream> ds = at->audio_diskstream();
 520                         nframes_t frame_pos = ds->current_capture_start ();
 521                         gdouble xstart = _trackview.editor().frame_to_pixel (frame_pos);
 522                         gdouble xend;
 523                         uint32_t fill_color;
 524
 525                         switch (_trackview.audio_track()->mode()) {
 526                         case Normal:
 527                         case NonLayered:
 528                                 xend = xstart;
 529                                 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
 530                                 break;
 531
 532                         case Destructive:
 533                                 xend = xstart + 2;
 534                                 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
 535                                 /* make the recording rect translucent to allow
 536                                    the user to see the peak data coming in, etc.
 537                                 */
 538                                 fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
 539                                 break;
 540                         }
 541
 542                         ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
 543                         rec_rect->property_x1() = xstart;
 544                         rec_rect->property_y1() = 1.0;
 545                         rec_rect->property_x2() = xend;
 546                         rec_rect->property_y2() = child_height ();
 547                         rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
 548                         rec_rect->property_outline_what() = 0x1 | 0x2 | 0x4 | 0x8;
 549                         rec_rect->property_fill_color_rgba() = fill_color;
 550                         rec_rect->lower_to_bottom();
 551
 552                         RecBoxInfo recbox;
 553                         recbox.rectangle = rec_rect;
 554                         recbox.start = _trackview.session().transport_frame();
 555                         recbox.length = 0;
 556
 557                         rec_rects.push_back (recbox);
 558
 559                         screen_update_connection.disconnect();
 560                         screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun (*this, &AudioStreamView::update_rec_box));
 561                         rec_updating = true;
 562                         rec_active = true;
 563
 564                 } else if (rec_active &&
 565                            (_trackview.session().record_status() != Session::Recording ||
 566                             !_trackview.get_diskstream()->record_enabled())) {
 567                         screen_update_connection.disconnect();
 568                         rec_active = false;
 569                         rec_updating = false;
 570                 }
 571
 572         } else {
 573
 574                 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
 575
 576                 if (!rec_rects.empty() || !rec_regions.empty()) {
 577
 578                         /* disconnect rapid update */
 579                         screen_update_connection.disconnect();
 580
 581                         for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin(); prc != rec_data_ready_connections.end(); ++prc) {
 582                                 (*prc).disconnect();
 583                         }
 584                         rec_data_ready_connections.clear();
 585
 586                         rec_updating = false;
 587                         rec_active = false;
 588
 589                         /* remove temp regions */
 590
 591                         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
 592                                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 593
 594                                 tmp = iter;
 595                                 ++tmp;
 596
 597                                 (*iter).first->drop_references ();
 598
 599                                 iter = tmp;
 600                         }
 601
 602                         rec_regions.clear();
 603
 604                         // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
 605
 606                         /* transport stopped, clear boxes */
 607                         for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
 608                                 RecBoxInfo &rect = (*iter);
 609                                 delete rect.rectangle;
 610                         }
 611
 612                         rec_rects.clear();
 613
 614                 }
 615         }
 616 }
 617
 618 void
 619 AudioStreamView::foreach_crossfadeview (void (CrossfadeView::*pmf)(void))
 620 {
 621         for (list<CrossfadeView*>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 622                 ((*i)->*pmf) ();
 623         }
 624 }
 625
 626 void
 627 AudioStreamView::rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
 628 {
 629         ENSURE_GUI_THREAD(bind (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), start, cnt, weak_src));
 630
 631         boost::shared_ptr<Source> src (weak_src.lock());
 632
 633         if (!src) {
 634                 return;
 635         }
 636
 637         // this is called from the peak building thread
 638
 639         if (rec_data_ready_map.size() == 0 || start+cnt > last_rec_data_frame) {
 640                 last_rec_data_frame = start + cnt;
 641         }
 642
 643         rec_data_ready_map[src] = true;
 644
 645         if (rec_data_ready_map.size() == _trackview.get_diskstream()->n_channels().n_audio()) {
 646                 this->update_rec_regions ();
 647                 rec_data_ready_map.clear();
 648         }
 649 }
 650
 651 void
 652 AudioStreamView::update_rec_regions ()
 653 {
 654         if (use_rec_regions) {
 655                 uint32_t n = 0;
 656
 657                 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
 658
 659                         list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 660
 661                         tmp = iter;
 662                         ++tmp;
 663
 664                         if (!canvas_item_visible (rec_rects[n].rectangle)) {
 665                                 /* rect already hidden, this region is done */
 666                                 iter = tmp;
 667                                 continue;
 668                         }
 669
 670                         boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
 671                         if (!region) {
 672                                 continue;
 673                         }
 674
 675                         nframes_t origlen = region->length();
 676
 677                         if (region == rec_regions.back().first && rec_active) {
 678
 679                                 if (last_rec_data_frame > region->start()) {
 680
 681                                         nframes_t nlen = last_rec_data_frame - region->start();
 682
 683                                         if (nlen != region->length()) {
 684
 685                                                 region->freeze ();
 686                                                 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
 687                                                 region->set_length (nlen, this);
 688                                                 region->thaw ("updated");
 689
 690                                                 if (origlen == 1) {
 691                                                         /* our special initial length */
 692                                                         add_region_view_internal (region, false, true);
 693                                                 }
 694
 695                                                 /* also update rect */
 696                                                 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
 697                                                 gdouble xend = _trackview.editor().frame_to_pixel (region->position() + region->length());
 698                                                 rect->property_x2() = xend;
 699                                         }
 700                                 }
 701
 702                         } else {
 703
 704                                 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
 705
 706                                 if (nlen != region->length()) {
 707
 708                                         if (region->source_length(0) >= region->start() + nlen) {
 709
 710                                                 region->freeze ();
 711                                                 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
 712                                                 region->set_length (nlen, this);
 713                                                 region->thaw ("updated");
 714
 715                                                 if (origlen == 1) {
 716                                                         /* our special initial length */
 717                                                         add_region_view_internal (region, false, true);
 718                                                 }
 719
 720                                                 /* also hide rect */
 721                                                 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
 722                                                 rect->hide();
 723
 724                                         }
 725                                 }
 726                         }
 727
 728                         iter = tmp;
 729                 }
 730         }
 731 }
 732
 733 void
 734 AudioStreamView::show_all_fades ()
 735 {
 736         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 737                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 738                 if (arv) {
 739                         arv->set_fade_visibility (true);
 740                 }
 741         }
 742 }
 743
 744 void
 745 AudioStreamView::hide_all_fades ()
 746 {
 747         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 748                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 749                 if (arv) {
 750                         arv->set_fade_visibility (false);
 751                 }
 752         }
 753 }
 754
 755 void
 756 AudioStreamView::show_all_xfades ()
 757 {
 758         foreach_crossfadeview (&CrossfadeView::show);
 759         crossfades_visible = true;
 760 }
 761
 762 void
 763 AudioStreamView::hide_all_xfades ()
 764 {
 765         foreach_crossfadeview (&CrossfadeView::hide);
 766         crossfades_visible = false;
 767 }
 768
 769 void
 770 AudioStreamView::hide_xfades_involving (AudioRegionView& rv)
 771 {
 772         for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 773                 if ((*i)->crossfade->involves (rv.audio_region())) {
 774                         (*i)->fake_hide ();
 775                 }
 776         }
 777 }
 778
 779 void
 780 AudioStreamView::reveal_xfades_involving (AudioRegionView& rv)
 781 {
 782         for (list<CrossfadeView *>::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 783                 if ((*i)->crossfade->involves (rv.audio_region()) && (*i)->visible() && _layer_display != Stacked) {
 784                         (*i)->show ();
 785                 }
 786         }
 787 }
 788
 789 void
 790 AudioStreamView::color_handler ()
 791 {
 792         //case cAudioTrackBase:
 793         if (_trackview.is_track()) {
 794                 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioTrackBase.get();
 795         }
 796
 797         //case cAudioBusBase:
 798         if (!_trackview.is_track()) {
 799                 if (Profile->get_sae() && _trackview.route()->is_master()) {
 800                         canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioMasterBusBase.get();
 801                 } else {
 802                         canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioBusBase.get();
 803                 }
 804         }
 805 }
 806
 807 void
 808 AudioStreamView::update_contents_height ()
 809 {
 810         StreamView::update_contents_height ();
 811
 812         for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 813                 if (_layer_display == Overlaid) {
 814                         (*i)->show ();
 815                         (*i)->set_height (height);
 816                 } else {
 817                         (*i)->hide ();
 818                 }
 819         }
 820 }