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