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/source.h"
  33 #include "ardour/region_factory.h"
  34 #include "ardour/profile.h"
  35 #include "ardour/rc_configuration.h"
  36 #include "ardour/session.h"
  37
  38 #include "audio_streamview.h"
  39 #include "audio_region_view.h"
  40 #include "tape_region_view.h"
  41 #include "audio_time_axis.h"
  42 #include "canvas-waveview.h"
  43 #include "canvas-simplerect.h"
  44 #include "region_selection.h"
  45 #include "selection.h"
  46 #include "public_editor.h"
  47 #include "ardour_ui.h"
  48 #include "crossfade_view.h"
  49 #include "rgb_macros.h"
  50 #include "gui_thread.h"
  51 #include "utils.h"
  52
  53 #include "i18n.h"
  54
  55 using namespace std;
  56 using namespace ARDOUR;
  57 using namespace PBD;
  58 using namespace Editing;
  59
  60 AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
  61         : StreamView (tv)
  62 {
  63         crossfades_visible = true;
  64         color_handler ();
  65         _amplitude_above_axis = 1.0;
  66
  67         use_rec_regions = tv.editor().show_waveforms_recording ();
  68
  69         Config->ParameterChanged.connect (sigc::mem_fun (*this, &AudioStreamView::parameter_changed));
  70 }
  71
  72 AudioStreamView::~AudioStreamView ()
  73 {
  74 }
  75
  76 int
  77 AudioStreamView::set_samples_per_unit (gdouble spp)
  78 {
  79         StreamView::set_samples_per_unit(spp);
  80
  81         for (CrossfadeViewList::iterator xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
  82                 xi->second->set_samples_per_unit (spp);
  83         }
  84
  85         return 0;
  86 }
  87
  88 int
  89 AudioStreamView::set_amplitude_above_axis (gdouble app)
  90 {
  91         RegionViewList::iterator i;
  92
  93         if (app < 1.0) {
  94                 return -1;
  95         }
  96
  97         _amplitude_above_axis = app;
  98
  99         for (i = region_views.begin(); i != region_views.end(); ++i) {
 100                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 101                 if (arv)
 102                         arv->set_amplitude_above_axis (app);
 103         }
 104
 105         return 0;
 106 }
 107
 108 RegionView*
 109 AudioStreamView::create_region_view (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
 110 {
 111         AudioRegionView *region_view = 0;
 112         boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
 113
 114         if (region == 0) {
 115                 return 0;
 116         }
 117
 118         switch (_trackview.audio_track()->mode()) {
 119
 120         case NonLayered:
 121         case Normal:
 122                 if (recording) {
 123                         region_view = new AudioRegionView (canvas_group, _trackview, region,
 124                                         _samples_per_unit, region_color, recording, TimeAxisViewItem::Visibility(
 125                                                         TimeAxisViewItem::ShowFrame | TimeAxisViewItem::HideFrameRight));
 126                 } else {
 127                         region_view = new AudioRegionView (canvas_group, _trackview, region,
 128                                         _samples_per_unit, region_color);
 129                 }
 130                 break;
 131         case Destructive:
 132                 region_view = new TapeAudioRegionView (canvas_group, _trackview, region,
 133                                 _samples_per_unit, region_color);
 134                 break;
 135         default:
 136                 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::add_region_view_internal") << endmsg;
 137                 /*NOTREACHED*/
 138
 139         }
 140
 141         region_view->init (region_color, wait_for_waves);
 142         region_view->set_amplitude_above_axis(_amplitude_above_axis);
 143         region_view->set_height (child_height ());
 144
 145         /* if its the special single-sample length that we use for rec-regions, make it
 146            insensitive to events
 147         */
 148
 149         if (region->length() == 1) {
 150                 region_view->set_sensitive (false);
 151         }
 152
 153         region_view->set_waveform_scale (Config->get_waveform_scale ());
 154         region_view->set_waveform_shape (Config->get_waveform_shape ());
 155         region_view->set_waveform_visible (Config->get_show_waveforms ());
 156
 157         return region_view;
 158 }
 159
 160 RegionView*
 161 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
 162 {
 163         RegionView *region_view = create_region_view (r, wait_for_waves, recording);
 164         if (region_view == 0) {
 165                 return 0;
 166         }
 167
 168 //      if(!recording){
 169 //              for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 170 //                      if ((*i)->region() == r) {
 171 //                              cerr << "audio_streamview in add_region_view_internal region found" << endl;
 172                                 /* great. we already have a AudioRegionView for this Region. use it again. */
 173
 174 //                              (*i)->set_valid (true);
 175
 176                                 // this might not be necessary
 177 //                              AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 178
 179 //                              if (arv) {
 180 //                                      arv->set_waveform_scale (_waveform_scale);
 181 //                                      arv->set_waveform_shape (_waveform_shape);
 182 //                              }
 183
 184 //                              return NULL;
 185 //                      }
 186 //              }
 187 //      }
 188
 189         region_views.push_front (region_view);
 190
 191         /* catch regionview going away */
 192         r->GoingAway.connect (bind (mem_fun (*this, &AudioStreamView::remove_region_view), boost::weak_ptr<Region> (r)));
 193
 194         RegionViewAdded (region_view);
 195
 196         return region_view;
 197 }
 198
 199 void
 200 AudioStreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
 201 {
 202         ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_region_view), weak_r));
 203
 204         boost::shared_ptr<Region> r (weak_r.lock());
 205
 206         if (!r) {
 207                 return;
 208         }
 209
 210         if (!_trackview.session().deletion_in_progress()) {
 211
 212                 for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end();) {
 213                         CrossfadeViewList::iterator tmp;
 214
 215                         tmp = i;
 216                         ++tmp;
 217
 218                         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(r);
 219                         if (ar && i->second->crossfade->involves (ar)) {
 220                                 delete i->second;
 221                                 crossfade_views.erase (i);
 222                         }
 223
 224                         i = tmp;
 225                 }
 226         }
 227
 228         StreamView::remove_region_view(r);
 229 }
 230
 231 void
 232 AudioStreamView::undisplay_diskstream ()
 233 {
 234         StreamView::undisplay_diskstream();
 235
 236         for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 237                 delete i->second;
 238         }
 239
 240         crossfade_views.clear ();
 241 }
 242
 243 void
 244 AudioStreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
 245 {
 246         boost::shared_ptr<Diskstream> sp (ds.lock());
 247         if (sp) {
 248                 playlist_modified (sp);
 249         }
 250 }
 251
 252 void
 253 AudioStreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
 254 {
 255         /* we do not allow shared_ptr<T> to be bound to slots */
 256         ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::playlist_modified_weak), ds));
 257
 258         StreamView::playlist_modified (ds);
 259
 260         /* make sure xfades are on top and all the regionviews are stacked correctly. */
 261
 262         for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 263                 i->second->get_canvas_group()->raise_to_top();
 264         }
 265 }
 266
 267 void
 268 AudioStreamView::playlist_changed_weak (boost::weak_ptr<Diskstream> ds)
 269 {
 270         boost::shared_ptr<Diskstream> sp (ds.lock());
 271         if (sp) {
 272                 playlist_changed (sp);
 273         }
 274 }
 275
 276 void
 277 AudioStreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
 278 {
 279         ENSURE_GUI_THREAD (bind (
 280                         mem_fun (*this, &AudioStreamView::playlist_changed_weak),
 281                         boost::weak_ptr<Diskstream> (ds)));
 282
 283         StreamView::playlist_changed(ds);
 284
 285         boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(ds->playlist());
 286         if (apl) {
 287                 playlist_connections.push_back (apl->NewCrossfade.connect (
 288                                 mem_fun (*this, &AudioStreamView::add_crossfade)));
 289         }
 290 }
 291
 292 void
 293 AudioStreamView::add_crossfade_weak (boost::weak_ptr<Crossfade> crossfade)
 294 {
 295         boost::shared_ptr<Crossfade> sp (crossfade.lock());
 296
 297         if (!sp) {
 298                 return;
 299         }
 300
 301         add_crossfade (sp);
 302 }
 303
 304 void
 305 AudioStreamView::add_crossfade (boost::shared_ptr<Crossfade> crossfade)
 306 {
 307         AudioRegionView* lview = 0;
 308         AudioRegionView* rview = 0;
 309
 310         /* we do not allow shared_ptr<T> to be bound to slots */
 311
 312         ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::add_crossfade_weak), boost::weak_ptr<Crossfade> (crossfade)));
 313
 314         /* first see if we already have a CrossfadeView for this Crossfade */
 315
 316         CrossfadeViewList::iterator i = crossfade_views.find (crossfade);
 317         if (i != crossfade_views.end()) {
 318                 if (!crossfades_visible) {
 319                         i->second->hide();
 320                 } else {
 321                         i->second->show ();
 322                 }
 323                 i->second->set_valid (true);
 324                 return;
 325         }
 326
 327         /* create a new one */
 328
 329         for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 330                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
 331
 332                 if (!lview && arv && (arv->region() == crossfade->out())) {
 333                         lview = arv;
 334                 }
 335                 if (!rview && arv && (arv->region() == crossfade->in())) {
 336                         rview = arv;
 337                 }
 338         }
 339
 340         CrossfadeView *cv = new CrossfadeView (_trackview.canvas_display (),
 341                                                _trackview,
 342                                                 crossfade,
 343                                                _samples_per_unit,
 344                                                region_color,
 345                                                *lview, *rview);
 346         cv->set_valid (true);
 347         crossfade->Invalidated.connect (mem_fun (*this, &AudioStreamView::remove_crossfade));
 348         crossfade_views[cv->crossfade] = cv;
 349         if (!_trackview.session().config.get_xfades_visible() || !crossfades_visible) {
 350                 cv->hide ();
 351         }
 352
 353         update_content_height (cv);
 354 }
 355
 356 void
 357 AudioStreamView::remove_crossfade (boost::shared_ptr<Region> r)
 358 {
 359         ENSURE_GUI_THREAD (bind (mem_fun (*this, &AudioStreamView::remove_crossfade), r));
 360
 361         boost::shared_ptr<Crossfade> xfade = boost::dynamic_pointer_cast<Crossfade> (r);
 362
 363         for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 364                 if (i->second->crossfade == xfade) {
 365                         delete i->second;
 366                         crossfade_views.erase (i);
 367                         break;
 368                 }
 369         }
 370 }
 371
 372 void
 373 AudioStreamView::redisplay_diskstream ()
 374 {
 375         list<RegionView *>::iterator i;
 376         CrossfadeViewList::iterator xi, tmpx;
 377
 378         // Flag region views as invalid and disable drawing
 379         for (i = region_views.begin(); i != region_views.end(); ++i) {
 380                 (*i)->set_valid (false);
 381                 (*i)->enable_display (false);
 382         }
 383
 384         // Flag crossfade views as invalid
 385         for (xi = crossfade_views.begin(); xi != crossfade_views.end(); ++xi) {
 386                 xi->second->set_valid (false);
 387                 if (xi->second->visible()) {
 388                         xi->second->show ();
 389                 }
 390         }
 391
 392         // Add and display region and crossfade views, and flag them as valid
 393
 394         if (_trackview.is_audio_track()) {
 395                 _trackview.get_diskstream()->playlist()->foreach_region(
 396                         sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
 397                         );
 398
 399                 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(
 400                                 _trackview.get_diskstream()->playlist()
 401                         );
 402
 403                 if (apl) {
 404                         apl->foreach_crossfade (sigc::mem_fun (*this, &AudioStreamView::add_crossfade));
 405                 }
 406         }
 407
 408         // Remove invalid crossfade views
 409         for (xi = crossfade_views.begin(); xi != crossfade_views.end();) {
 410                 tmpx = xi;
 411                 tmpx++;
 412
 413                 if (!xi->second->valid()) {
 414                         delete xi->second;
 415                         crossfade_views.erase (xi);
 416                 }
 417
 418                 xi = tmpx;
 419         }
 420
 421         // Stack regions by layer, and remove invalid regions
 422         layer_regions();
 423 }
 424
 425 void
 426 AudioStreamView::set_show_waveforms (bool yn)
 427 {
 428         for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 429                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 430                 if (arv) {
 431                         arv->set_waveform_visible (yn);
 432                 }
 433         }
 434 }
 435
 436 void
 437 AudioStreamView::set_waveform_shape (WaveformShape shape)
 438 {
 439         for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 440                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 441                 if (arv)
 442                         arv->set_waveform_shape (shape);
 443         }
 444 }
 445
 446 void
 447 AudioStreamView::set_waveform_scale (WaveformScale scale)
 448 {
 449         for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 450                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 451                 if (arv) {
 452                         arv->set_waveform_scale (scale);
 453                 }
 454         }
 455 }
 456
 457 void
 458 AudioStreamView::setup_rec_box ()
 459 {
 460         //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
 461
 462         if (_trackview.session().transport_rolling()) {
 463
 464                 // cerr << "\trolling\n";
 465
 466                 if (!rec_active &&
 467                     _trackview.session().record_status() == Session::Recording &&
 468                     _trackview.get_diskstream()->record_enabled()) {
 469                         if (_trackview.audio_track()->mode() == Normal && use_rec_regions && rec_regions.size() == rec_rects.size()) {
 470
 471                                 /* add a new region, but don't bother if they set use_rec_regions mid-record */
 472
 473                                 SourceList sources;
 474
 475                                 for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin();
 476                                                 prc != rec_data_ready_connections.end(); ++prc) {
 477                                         (*prc).disconnect();
 478                                 }
 479                                 rec_data_ready_connections.clear();
 480
 481                                 boost::shared_ptr<AudioDiskstream> ads = _trackview.audio_track()->audio_diskstream();
 482
 483                                 for (uint32_t n=0; n < ads->n_channels().n_audio(); ++n) {
 484                                         boost::shared_ptr<AudioFileSource> src = ads->write_source (n);
 485                                         if (src) {
 486                                                 sources.push_back (src);
 487
 488                                                 rec_data_ready_connections.push_back (src->PeakRangeReady.connect (bind
 489                                                         (mem_fun (*this, &AudioStreamView::rec_peak_range_ready),
 490                                                          boost::weak_ptr<Source>(src))));
 491                                         }
 492                                 }
 493
 494                                 // handle multi
 495
 496                                 nframes_t start = 0;
 497                                 if (rec_regions.size() > 0) {
 498                                         start = rec_regions.back().first->start()
 499                                                         + _trackview.get_diskstream()->get_captured_frames(rec_regions.size()-1);
 500                                 }
 501
 502                                 boost::shared_ptr<AudioRegion> region (boost::dynamic_pointer_cast<AudioRegion>(
 503                                                 RegionFactory::create (sources, start, 1, "", 0, Region::DefaultFlags, false)));
 504                                 assert(region);
 505                                 region->block_property_changes ();
 506                                 region->set_position (_trackview.session().transport_frame(), this);
 507                                 rec_regions.push_back (make_pair(region, (RegionView*)0));
 508                         }
 509
 510                         /* start a new rec box */
 511
 512                         boost::shared_ptr<AudioTrack> at;
 513
 514                         at = _trackview.audio_track(); /* we know what it is already */
 515                         boost::shared_ptr<AudioDiskstream> ds = at->audio_diskstream();
 516                         nframes_t frame_pos = ds->current_capture_start ();
 517                         gdouble xstart = _trackview.editor().frame_to_pixel (frame_pos);
 518                         gdouble xend;
 519                         uint32_t fill_color;
 520
 521                         switch (_trackview.audio_track()->mode()) {
 522                         case Normal:
 523                         case NonLayered:
 524                                 xend = xstart;
 525                                 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
 526                                 break;
 527
 528                         case Destructive:
 529                                 xend = xstart + 2;
 530                                 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
 531                                 /* make the recording rect translucent to allow
 532                                    the user to see the peak data coming in, etc.
 533                                 */
 534                                 fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
 535                                 break;
 536                         }
 537
 538                         ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*canvas_group);
 539                         rec_rect->property_x1() = xstart;
 540                         rec_rect->property_y1() = 1.0;
 541                         rec_rect->property_x2() = xend;
 542                         rec_rect->property_y2() = child_height ();
 543                         rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
 544                         rec_rect->property_outline_what() = 0x1 | 0x2 | 0x4 | 0x8;
 545                         rec_rect->property_fill_color_rgba() = fill_color;
 546                         rec_rect->lower_to_bottom();
 547
 548                         RecBoxInfo recbox;
 549                         recbox.rectangle = rec_rect;
 550                         recbox.start = _trackview.session().transport_frame();
 551                         recbox.length = 0;
 552
 553                         rec_rects.push_back (recbox);
 554
 555                         screen_update_connection.disconnect();
 556                         screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
 557                                         mem_fun (*this, &AudioStreamView::update_rec_box));
 558                         rec_updating = true;
 559                         rec_active = true;
 560
 561                 } else if (rec_active &&
 562                            (_trackview.session().record_status() != Session::Recording ||
 563                             !_trackview.get_diskstream()->record_enabled())) {
 564                         screen_update_connection.disconnect();
 565                         rec_active = false;
 566                         rec_updating = false;
 567                 }
 568
 569         } else {
 570
 571                 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
 572
 573                 if (!rec_rects.empty() || !rec_regions.empty()) {
 574
 575                         /* disconnect rapid update */
 576                         screen_update_connection.disconnect();
 577
 578                         for (list<sigc::connection>::iterator prc = rec_data_ready_connections.begin();
 579                                         prc != rec_data_ready_connections.end(); ++prc) {
 580                                 (*prc).disconnect();
 581                         }
 582                         rec_data_ready_connections.clear();
 583
 584                         rec_updating = false;
 585                         rec_active = false;
 586
 587                         /* remove temp regions */
 588
 589                         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
 590                                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 591
 592                                 tmp = iter;
 593                                 ++tmp;
 594
 595                                 (*iter).first->drop_references ();
 596
 597                                 iter = tmp;
 598                         }
 599
 600                         rec_regions.clear();
 601
 602                         // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
 603
 604                         /* transport stopped, clear boxes */
 605                         for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
 606                                 RecBoxInfo &rect = (*iter);
 607                                 delete rect.rectangle;
 608                         }
 609
 610                         rec_rects.clear();
 611
 612                 }
 613         }
 614 }
 615
 616 void
 617 AudioStreamView::foreach_crossfadeview (void (CrossfadeView::*pmf)(void))
 618 {
 619         for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 620                 (i->second->*pmf) ();
 621         }
 622 }
 623
 624 void
 625 AudioStreamView::rec_peak_range_ready (nframes_t start, nframes_t cnt, boost::weak_ptr<Source> weak_src)
 626 {
 627         ENSURE_GUI_THREAD(bind (mem_fun (*this, &AudioStreamView::rec_peak_range_ready), start, cnt, weak_src));
 628
 629         boost::shared_ptr<Source> src (weak_src.lock());
 630
 631         if (!src) {
 632                 return;
 633         }
 634
 635         // this is called from the peak building thread
 636
 637         if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_frame) {
 638                 last_rec_data_frame = start + cnt;
 639         }
 640
 641         rec_data_ready_map[src] = true;
 642
 643         if (rec_data_ready_map.size() == _trackview.get_diskstream()->n_channels().n_audio()) {
 644                 this->update_rec_regions ();
 645                 rec_data_ready_map.clear();
 646         }
 647 }
 648
 649 void
 650 AudioStreamView::update_rec_regions ()
 651 {
 652         if (use_rec_regions) {
 653                 uint32_t n = 0;
 654
 655                 for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin();
 656                                 iter != rec_regions.end(); n++) {
 657
 658                         list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
 659                         ++tmp;
 660
 661                         if (!canvas_item_visible (rec_rects[n].rectangle)) {
 662                                 /* rect already hidden, this region is done */
 663                                 iter = tmp;
 664                                 continue;
 665                         }
 666
 667                         boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
 668                         if (!region) {
 669                                 iter = tmp;
 670                                 continue;
 671                         }
 672
 673                         nframes_t origlen = region->length();
 674
 675                         if (region == rec_regions.back().first && rec_active) {
 676
 677                                 if (last_rec_data_frame > region->start()) {
 678
 679                                         nframes_t nlen = last_rec_data_frame - region->start();
 680
 681                                         if (nlen != region->length()) {
 682
 683                                                 region->freeze ();
 684                                                 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
 685                                                 region->set_length (nlen, this);
 686                                                 region->thaw ("updated");
 687
 688                                                 if (origlen == 1) {
 689                                                         /* our special initial length */
 690                                                         add_region_view_internal (region, false, true);
 691                                                 }
 692
 693                                                 /* also update rect */
 694                                                 ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
 695                                                 gdouble xend = _trackview.editor().frame_to_pixel (region->position() + region->length());
 696                                                 rect->property_x2() = xend;
 697                                         }
 698                                 }
 699
 700                         } else {
 701
 702                                 nframes_t nlen = _trackview.get_diskstream()->get_captured_frames(n);
 703
 704                                 if (nlen != region->length()) {
 705
 706                                         if (region->source_length(0) >= region->start() + nlen) {
 707
 708                                                 region->freeze ();
 709                                                 region->set_position (_trackview.get_diskstream()->get_capture_start_frame(n), this);
 710                                                 region->set_length (nlen, this);
 711                                                 region->thaw ("updated");
 712
 713                                                 if (origlen == 1) {
 714                                                         /* our special initial length */
 715                                                         add_region_view_internal (region, false, true);
 716                                                 }
 717
 718                                                 /* also hide rect */
 719                                                 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
 720                                                 rect->hide();
 721
 722                                         }
 723                                 }
 724                         }
 725
 726                         iter = tmp;
 727                 }
 728         }
 729 }
 730
 731 void
 732 AudioStreamView::show_all_fades ()
 733 {
 734         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 735                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 736                 if (arv) {
 737                         arv->set_fade_visibility (true);
 738                 }
 739         }
 740 }
 741
 742 void
 743 AudioStreamView::hide_all_fades ()
 744 {
 745         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 746                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 747                 if (arv) {
 748                         arv->set_fade_visibility (false);
 749                 }
 750         }
 751 }
 752
 753 void
 754 AudioStreamView::show_all_xfades ()
 755 {
 756         foreach_crossfadeview (&CrossfadeView::show);
 757         crossfades_visible = true;
 758 }
 759
 760 void
 761 AudioStreamView::hide_all_xfades ()
 762 {
 763         foreach_crossfadeview (&CrossfadeView::hide);
 764         crossfades_visible = false;
 765 }
 766
 767 void
 768 AudioStreamView::hide_xfades_involving (AudioRegionView& rv)
 769 {
 770         for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 771                 if (i->second->crossfade->involves (rv.audio_region())) {
 772                         i->second->fake_hide ();
 773                 }
 774         }
 775 }
 776
 777 void
 778 AudioStreamView::reveal_xfades_involving (AudioRegionView& rv)
 779 {
 780         for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 781                 if (i->second->crossfade->involves (rv.audio_region()) && i->second->visible()) {
 782                         i->second->show ();
 783                 }
 784         }
 785 }
 786
 787 void
 788 AudioStreamView::color_handler ()
 789 {
 790         //case cAudioTrackBase:
 791         if (_trackview.is_track()) {
 792                 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioTrackBase.get();
 793         }
 794
 795         //case cAudioBusBase:
 796         if (!_trackview.is_track()) {
 797                 if (Profile->get_sae() && _trackview.route()->is_master()) {
 798                         canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioMasterBusBase.get();
 799                 } else {
 800                         canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioBusBase.get();
 801                 }
 802         }
 803 }
 804
 805 void
 806 AudioStreamView::update_contents_height ()
 807 {
 808         StreamView::update_contents_height ();
 809
 810         for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_views.end(); ++i) {
 811                 update_content_height (i->second);
 812         }
 813 }
 814
 815 void
 816 AudioStreamView::update_content_height (CrossfadeView* cv)
 817 {
 818         cv->show ();
 819
 820         if (_layer_display == Overlaid) {
 821
 822                 cv->set_y (0);
 823                 cv->set_height (height);
 824
 825         } else {
 826
 827                 layer_t const inl = cv->crossfade->in()->layer ();
 828                 layer_t const outl = cv->crossfade->out()->layer ();
 829
 830                 layer_t const high = max (inl, outl);
 831                 layer_t const low = min (inl, outl);
 832
 833                 const double h = child_height ();
 834
 835                 cv->set_y ((_layers - high - 1) * h);
 836                 cv->set_height ((high - low + 1) * h);
 837
 838         }
 839 }
 840
 841 void
 842 AudioStreamView::parameter_changed (string const & p)
 843 {
 844         if (p == "show-waveforms") {
 845                 set_show_waveforms (Config->get_show_waveforms ());
 846         } else if (p == "waveform-scale") {
 847                 set_waveform_scale (Config->get_waveform_scale ());
 848         } else if (p == "waveform-shape") {
 849                 set_waveform_shape (Config->get_waveform_shape ());
 850         }
 851 }