gtk2_ardour/audio_streamview.cc

   1 /*
   2     Copyright (C) 2001, 2006 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 */
  18
  19 #include <cmath>
  20 #include <cassert>
  21 #include <utility>
  22
  23 #include <gtkmm.h>
  24
  25 #include <gtkmm2ext/gtk_ui.h>
  26
  27 #include "pbd/stacktrace.h"
  28
  29 #include "ardour/audioregion.h"
  30 #include "ardour/audiofilesource.h"
  31 #include "ardour/audio_track.h"
  32 #include "ardour/region_factory.h"
  33 #include "ardour/profile.h"
  34 #include "ardour/rc_configuration.h"
  35 #include "ardour/session.h"
  36
  37 #include "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 "rgb_macros.h"
  48 #include "gui_thread.h"
  49 #include "utils.h"
  50
  51 #include "i18n.h"
  52
  53 using namespace std;
  54 using namespace ARDOUR;
  55 using namespace PBD;
  56 using namespace Editing;
  57
  58 AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
  59         : StreamView (tv)
  60 {
  61         color_handler ();
  62         _amplitude_above_axis = 1.0;
  63
  64         Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&AudioStreamView::parameter_changed, this, _1), gui_context());
  65 }
  66
  67 int
  68 AudioStreamView::set_amplitude_above_axis (gdouble app)
  69 {
  70         RegionViewList::iterator i;
  71
  72         if (app < 1.0) {
  73                 return -1;
  74         }
  75
  76         _amplitude_above_axis = app;
  77
  78         for (i = region_views.begin(); i != region_views.end(); ++i) {
  79                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
  80                 if (arv)
  81                         arv->set_amplitude_above_axis (app);
  82         }
  83
  84         return 0;
  85 }
  86
  87 RegionView*
  88 AudioStreamView::create_region_view (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
  89 {
  90         AudioRegionView *region_view = 0;
  91         boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
  92
  93         if (region == 0) {
  94                 return 0;
  95         }
  96
  97         switch (_trackview.audio_track()->mode()) {
  98
  99         case NonLayered:
 100         case Normal:
 101                 if (recording) {
 102                         region_view = new AudioRegionView (_canvas_group, _trackview, region,
 103                                         _samples_per_unit, region_color, recording, TimeAxisViewItem::Visibility(
 104                                                         TimeAxisViewItem::ShowFrame |
 105                                                         TimeAxisViewItem::HideFrameRight |
 106                                                         TimeAxisViewItem::HideFrameLeft |
 107                                                         TimeAxisViewItem::HideFrameTB));
 108                 } else {
 109                         region_view = new AudioRegionView (_canvas_group, _trackview, region,
 110                                         _samples_per_unit, region_color);
 111                 }
 112                 break;
 113         case Destructive:
 114                 region_view = new TapeAudioRegionView (_canvas_group, _trackview, region,
 115                                 _samples_per_unit, region_color);
 116                 break;
 117         default:
 118                 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::add_region_view_internal") << endmsg;
 119                 /*NOTREACHED*/
 120
 121         }
 122
 123         region_view->init (region_color, wait_for_waves);
 124         region_view->set_amplitude_above_axis(_amplitude_above_axis);
 125         region_view->set_height (child_height ());
 126
 127         /* if its the special single-sample length that we use for rec-regions, make it
 128            insensitive to events
 129         */
 130
 131         if (region->length() == 1) {
 132                 region_view->set_sensitive (false);
 133         }
 134
 135         region_view->set_waveform_scale (Config->get_waveform_scale ());
 136         region_view->set_waveform_shape (Config->get_waveform_shape ());
 137         region_view->set_waveform_visible (Config->get_show_waveforms ());
 138
 139         return region_view;
 140 }
 141
 142 RegionView*
 143 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
 144 {
 145         RegionView *region_view = create_region_view (r, wait_for_waves, recording);
 146
 147         if (region_view == 0) {
 148                 return 0;
 149         }
 150
 151 //      if(!recording){
 152 //              for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 153 //                      if ((*i)->region() == r) {
 154 //                              cerr << "audio_streamview in add_region_view_internal region found" << endl;
 155                                 /* great. we already have a AudioRegionView for this Region. use it again. */
 156
 157 //                              (*i)->set_valid (true);
 158
 159                                 // this might not be necessary
 160 //                              AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 161
 162 //                              if (arv) {
 163 //                                      arv->set_waveform_scale (_waveform_scale);
 164 //                                      arv->set_waveform_shape (_waveform_shape);
 165 //                              }
 166
 167 //                              return NULL;
 168 //                      }
 169 //              }
 170 //      }
 171
 172         region_views.push_front (region_view);
 173
 174         if (_trackview.editor().internal_editing()) {
 175                 region_view->hide_rect ();
 176         } else {
 177                 region_view->show_rect ();
 178         }
 179
 180         /* catch region going away */
 181
 182         r->DropReferences.connect (*this, invalidator (*this), boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
 183
 184         RegionViewAdded (region_view);
 185
 186         return region_view;
 187 }
 188
 189 void
 190 AudioStreamView::redisplay_track ()
 191 {
 192         list<RegionView *>::iterator i;
 193
 194         // Flag region views as invalid and disable drawing
 195         for (i = region_views.begin(); i != region_views.end(); ++i) {
 196                 (*i)->set_valid (false);
 197                 (*i)->enable_display (false);
 198         }
 199
 200         // Add and display views, and flag them as valid
 201         if (_trackview.is_audio_track()) {
 202                 _trackview.track()->playlist()->foreach_region(
 203                         sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
 204                         );
 205         }
 206
 207         // Stack regions by layer, and remove invalid regions
 208         layer_regions();
 209 }
 210
 211 void
 212 AudioStreamView::set_show_waveforms (bool yn)
 213 {
 214         for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 215                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 216                 if (arv) {
 217                         arv->set_waveform_visible (yn);
 218                 }
 219         }
 220 }
 221
 222 void
 223 AudioStreamView::set_waveform_shape (WaveformShape shape)
 224 {
 225         for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 226                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 227                 if (arv)
 228                         arv->set_waveform_shape (shape);
 229         }
 230 }
 231
 232 void
 233 AudioStreamView::set_waveform_scale (WaveformScale scale)
 234 {
 235         for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 236                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 237                 if (arv) {
 238                         arv->set_waveform_scale (scale);
 239                 }
 240         }
 241 }
 242
 243 void
 244 AudioStreamView::setup_rec_box ()
 245 {
 246         //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
 247
 248         if (_trackview.session()->transport_rolling()) {
 249
 250                 // cerr << "\trolling\n";
 251
 252                 if (!rec_active &&
 253                     _trackview.session()->record_status() == Session::Recording &&
 254                     _trackview.track()->record_enabled()) {
 255                         if (_trackview.audio_track()->mode() == Normal && Config->get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
 256
 257                                 /* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
 258
 259                                 SourceList sources;
 260
 261                                 rec_data_ready_connections.drop_connections ();
 262                                 boost::shared_ptr<AudioTrack> tr = _trackview.audio_track();
 263
 264                                 for (uint32_t n = 0; n < tr->n_channels().n_audio(); ++n) {
 265                                         boost::shared_ptr<AudioFileSource> src = tr->write_source (n);
 266                                         if (src) {
 267                                                 sources.push_back (src);
 268                                                 src->PeakRangeReady.connect (rec_data_ready_connections,
 269                                                                              invalidator (*this),
 270                                                                              boost::bind (&AudioStreamView::rec_peak_range_ready, this, _1, _2, boost::weak_ptr<Source>(src)),
 271                                                                              gui_context());
 272                                         }
 273                                 }
 274
 275                                 // handle multi
 276
 277                                 framepos_t start = 0;
 278                                 if (rec_regions.size() > 0) {
 279                                         start = rec_regions.back().first->start()
 280                                                         + _trackview.track()->get_captured_frames(rec_regions.size()-1);
 281                                 }
 282
 283                                 PropertyList plist;
 284
 285                                 plist.add (Properties::start, start);
 286                                 plist.add (Properties::length, 1);
 287                                 plist.add (Properties::name, string());
 288                                 plist.add (Properties::layer, 0);
 289
 290                                 boost::shared_ptr<AudioRegion> region (
 291                                         boost::dynamic_pointer_cast<AudioRegion>(RegionFactory::create (sources, plist, false)));
 292
 293                                 assert(region);
 294                                 region->set_position (_trackview.session()->transport_frame());
 295                                 rec_regions.push_back (make_pair(region, (RegionView*) 0));
 296                         }
 297
 298                         /* start a new rec box */
 299
 300                         boost::shared_ptr<AudioTrack> at;
 301
 302                         at = _trackview.audio_track(); /* we know what it is already */
 303                         framepos_t const frame_pos = at->current_capture_start ();
 304                         gdouble xstart = _trackview.editor().frame_to_pixel (frame_pos);
 305                         gdouble xend;
 306                         uint32_t fill_color;
 307
 308                         switch (_trackview.audio_track()->mode()) {
 309                         case Normal:
 310                         case NonLayered:
 311                                 xend = xstart;
 312                                 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
 313                                 break;
 314
 315                         case Destructive:
 316                                 xend = xstart + 2;
 317                                 fill_color = ARDOUR_UI::config()->canvasvar_RecordingRect.get();
 318                                 /* make the recording rect translucent to allow
 319                                    the user to see the peak data coming in, etc.
 320                                 */
 321                                 fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
 322                                 break;
 323                         }
 324
 325                         ArdourCanvas::SimpleRect * rec_rect = new Gnome::Canvas::SimpleRect (*_canvas_group);
 326                         rec_rect->property_x1() = xstart;
 327                         rec_rect->property_y1() = 1.0;
 328                         rec_rect->property_x2() = xend;
 329                         rec_rect->property_y2() = child_height ();
 330                         rec_rect->property_outline_what() = 0x0;
 331                         rec_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
 332                         rec_rect->property_fill_color_rgba() = fill_color;
 333                         rec_rect->lower_to_bottom();
 334
 335                         RecBoxInfo recbox;
 336                         recbox.rectangle = rec_rect;
 337                         recbox.start = _trackview.session()->transport_frame();
 338                         recbox.length = 0;
 339
 340                         rec_rects.push_back (recbox);
 341
 342                         screen_update_connection.disconnect();
 343                         screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
 344                                         sigc::mem_fun (*this, &AudioStreamView::update_rec_box));
 345                         rec_updating = true;
 346                         rec_active = true;
 347
 348                 } else if (rec_active &&
 349                            (_trackview.session()->record_status() != Session::Recording ||
 350                             !_trackview.track()->record_enabled())) {
 351                         screen_update_connection.disconnect();
 352                         rec_active = false;
 353                         rec_updating = false;
 354                 }
 355
 356         } else {
 357
 358                 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
 359
 360                 if (!rec_rects.empty() || !rec_regions.empty()) {
 361
 362                         /* disconnect rapid update */
 363                         screen_update_connection.disconnect();
 364                         rec_data_ready_connections.drop_connections ();
 365                         rec_updating = false;
 366                         rec_active = false;
 367
 368                         /* remove temp regions */
 369
 370                         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
 371                                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 372
 373                                 tmp = iter;
 374                                 ++tmp;
 375
 376                                 (*iter).first->drop_references ();
 377
 378                                 iter = tmp;
 379                         }
 380
 381                         rec_regions.clear();
 382
 383                         // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
 384
 385                         /* transport stopped, clear boxes */
 386                         for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
 387                                 RecBoxInfo &rect = (*iter);
 388                                 delete rect.rectangle;
 389                         }
 390
 391                         rec_rects.clear();
 392
 393                 }
 394         }
 395 }
 396
 397 void
 398 AudioStreamView::rec_peak_range_ready (framepos_t start, framecnt_t cnt, boost::weak_ptr<Source> weak_src)
 399 {
 400         ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
 401
 402         boost::shared_ptr<Source> src (weak_src.lock());
 403
 404         if (!src) {
 405                 return;
 406         }
 407
 408         // this is called from the peak building thread
 409
 410         if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_frame) {
 411                 last_rec_data_frame = start + cnt;
 412         }
 413
 414         rec_data_ready_map[src] = true;
 415
 416         if (rec_data_ready_map.size() == _trackview.track()->n_channels().n_audio()) {
 417                 update_rec_regions (start, cnt);
 418                 rec_data_ready_map.clear();
 419         }
 420 }
 421
 422 void
 423 AudioStreamView::update_rec_regions (framepos_t start, framecnt_t cnt)
 424 {
 425         if (!Config->get_show_waveforms_while_recording ()) {
 426                 return;
 427         }
 428
 429         uint32_t n = 0;
 430
 431         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
 432
 433                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
 434                 ++tmp;
 435
 436                 assert (n < rec_rects.size());
 437
 438                 if (!canvas_item_visible (rec_rects[n].rectangle)) {
 439                         /* rect already hidden, this region is done */
 440                         iter = tmp;
 441                         continue;
 442                 }
 443
 444                 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
 445
 446                 if (!region) {
 447                         iter = tmp;
 448                         continue;
 449                 }
 450
 451                 framecnt_t origlen = region->length();
 452
 453                 if (region == rec_regions.back().first && rec_active) {
 454
 455                         if (last_rec_data_frame > region->start()) {
 456
 457                                 framecnt_t nlen = last_rec_data_frame - region->start();
 458
 459                                 if (nlen != region->length()) {
 460
 461                                         region->suspend_property_changes ();
 462                                         region->set_position (_trackview.track()->get_capture_start_frame(n));
 463                                         region->set_length (nlen);
 464                                         region->resume_property_changes ();
 465
 466                                         if (origlen == 1) {
 467                                                 /* our special initial length */
 468                                                 add_region_view_internal (region, false, true);
 469                                                 setup_new_rec_layer_time (region);
 470                                         }
 471
 472                                         check_record_layers (region, (region->position() - region->start() + start + cnt));
 473
 474                                         /* also update rect */
 475                                         ArdourCanvas::SimpleRect * rect = rec_rects[n].rectangle;
 476                                         gdouble xend = _trackview.editor().frame_to_pixel (region->position() + region->length());
 477                                         rect->property_x2() = xend;
 478                                 }
 479
 480                         } else {
 481
 482                                 framecnt_t nlen = _trackview.track()->get_captured_frames(n);
 483
 484                                 if (nlen != region->length()) {
 485
 486                                         if (region->source_length(0) >= region->start() + nlen) {
 487
 488                                                 region->suspend_property_changes ();
 489                                                 region->set_position (_trackview.track()->get_capture_start_frame(n));
 490                                                 region->set_length (nlen);
 491                                                 region->resume_property_changes ();
 492
 493                                                 if (origlen == 1) {
 494                                                         /* our special initial length */
 495                                                         add_region_view_internal (region, false, true);
 496                                                 }
 497
 498                                                 /* also hide rect */
 499                                                 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
 500                                                 rect->hide();
 501
 502                                         }
 503                                 }
 504                         }
 505                 }
 506
 507                 iter = tmp;
 508         }
 509 }
 510
 511 void
 512 AudioStreamView::show_all_fades ()
 513 {
 514         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 515                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 516                 if (arv) {
 517                         arv->set_fade_visibility (true);
 518                 }
 519         }
 520 }
 521
 522 void
 523 AudioStreamView::hide_all_fades ()
 524 {
 525         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 526                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 527                 if (arv) {
 528                         arv->set_fade_visibility (false);
 529                 }
 530         }
 531 }
 532
 533 void
 534 AudioStreamView::hide_xfades_with (boost::shared_ptr<AudioRegion> ar)
 535 {
 536         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 537                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 538                 if (arv) {
 539                         switch (arv->region()->coverage (ar->position(), ar->last_frame())) {
 540                         case Evoral::OverlapNone:
 541                                 break;
 542                         default:
 543                                 arv->hide_xfades ();
 544                                 break;
 545                         }
 546                 }
 547         }
 548 }
 549
 550 void
 551 AudioStreamView::color_handler ()
 552 {
 553         //case cAudioTrackBase:
 554         if (_trackview.is_track()) {
 555                 canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioTrackBase.get();
 556         }
 557
 558         //case cAudioBusBase:
 559         if (!_trackview.is_track()) {
 560                 if (Profile->get_sae() && _trackview.route()->is_master()) {
 561                         canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioMasterBusBase.get();
 562                 } else {
 563                         canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_AudioBusBase.get();
 564                 }
 565         }
 566 }
 567
 568 void
 569 AudioStreamView::parameter_changed (string const & p)
 570 {
 571         if (p == "show-waveforms") {
 572                 set_show_waveforms (Config->get_show_waveforms ());
 573         } else if (p == "waveform-scale") {
 574                 set_waveform_scale (Config->get_waveform_scale ());
 575         } else if (p == "waveform-shape") {
 576                 set_waveform_shape (Config->get_waveform_shape ());
 577         }
 578 }
 579