gtk2_ardour/audio_streamview.cc

   1 /*
   2     Copyright (C) 2001, 2006 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 */
  18
  19 #include <cmath>
  20 #include <cassert>
  21 #include <utility>
  22
  23 #include <gtkmm.h>
  24
  25 #include <gtkmm2ext/gtk_ui.h>
  26
  27 #include "pbd/stacktrace.h"
  28
  29 #include "ardour/audioregion.h"
  30 #include "ardour/audiofilesource.h"
  31 #include "ardour/audio_track.h"
  32 #include "ardour/region_factory.h"
  33 #include "ardour/profile.h"
  34 #include "ardour/rc_configuration.h"
  35 #include "ardour/session.h"
  36
  37 #include "canvas/rectangle.h"
  38
  39 #include "audio_streamview.h"
  40 #include "audio_region_view.h"
  41 #include "tape_region_view.h"
  42 #include "audio_time_axis.h"
  43 #include "region_selection.h"
  44 #include "selection.h"
  45 #include "public_editor.h"
  46 #include "ardour_ui.h"
  47 #include "rgb_macros.h"
  48 #include "gui_thread.h"
  49
  50 #include "i18n.h"
  51
  52 using namespace std;
  53 using namespace ARDOUR;
  54 using namespace PBD;
  55 using namespace Editing;
  56
  57 AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
  58         : StreamView (tv)
  59 {
  60         color_handler ();
  61         _amplitude_above_axis = 1.0;
  62 }
  63
  64 int
  65 AudioStreamView::set_amplitude_above_axis (gdouble app)
  66 {
  67         RegionViewList::iterator i;
  68
  69         if (app < 1.0) {
  70                 return -1;
  71         }
  72
  73         _amplitude_above_axis = app;
  74
  75         for (i = region_views.begin(); i != region_views.end(); ++i) {
  76                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
  77                 if (arv)
  78                         arv->set_amplitude_above_axis (app);
  79         }
  80
  81         return 0;
  82 }
  83
  84 RegionView*
  85 AudioStreamView::create_region_view (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
  86 {
  87         AudioRegionView *region_view = 0;
  88         boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
  89
  90         if (region == 0) {
  91                 return 0;
  92         }
  93
  94         switch (_trackview.audio_track()->mode()) {
  95
  96         case NonLayered:
  97         case Normal:
  98                 if (recording) {
  99                         region_view = new AudioRegionView (_canvas_group, _trackview, region,
 100                                                            _samples_per_pixel, region_color, recording, TimeAxisViewItem::Visibility(
 101                                                                    TimeAxisViewItem::ShowFrame |
 102                                                                    TimeAxisViewItem::HideFrameRight |
 103                                                                    TimeAxisViewItem::HideFrameLeft |
 104                                                                    TimeAxisViewItem::HideFrameTB));
 105                 } else {
 106                         region_view = new AudioRegionView (_canvas_group, _trackview, region,
 107                                         _samples_per_pixel, region_color);
 108                 }
 109                 break;
 110         case Destructive:
 111                 region_view = new TapeAudioRegionView (_canvas_group, _trackview, region,
 112                                                        _samples_per_pixel, region_color);
 113                 break;
 114         default:
 115                 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::create_region_view()") << endmsg;
 116                 abort(); /*NOTREACHED*/
 117
 118         }
 119
 120         region_view->init (wait_for_waves);
 121         region_view->set_amplitude_above_axis(_amplitude_above_axis);
 122         region_view->set_height (child_height ());
 123
 124         /* if its the special single-sample length that we use for rec-regions, make it
 125            insensitive to events
 126         */
 127
 128         if (region->length() == 1) {
 129                 region_view->set_sensitive (false);
 130         }
 131
 132         return region_view;
 133 }
 134
 135 RegionView*
 136 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
 137 {
 138         RegionView *region_view = create_region_view (r, wait_for_waves, recording);
 139
 140         if (region_view == 0) {
 141                 return 0;
 142         }
 143
 144         region_views.push_front (region_view);
 145
 146         if (_trackview.editor().internal_editing()) {
 147                 region_view->hide_rect ();
 148         } else {
 149                 region_view->show_rect ();
 150         }
 151
 152         /* catch region going away */
 153
 154         r->DropReferences.connect (*this, invalidator (*this), boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
 155
 156         RegionViewAdded (region_view);
 157
 158         return region_view;
 159 }
 160
 161 void
 162 AudioStreamView::redisplay_track ()
 163 {
 164         list<RegionView *>::iterator i;
 165
 166         // Flag region views as invalid and disable drawing
 167         for (i = region_views.begin(); i != region_views.end(); ++i) {
 168                 (*i)->set_valid (false);
 169                 (*i)->enable_display (false);
 170         }
 171
 172         // Add and display views, and flag them as valid
 173         if (_trackview.is_audio_track()) {
 174                 _trackview.track()->playlist()->foreach_region(
 175                         sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
 176                         );
 177         }
 178
 179         // Stack regions by layer, and remove invalid regions
 180         layer_regions();
 181 }
 182
 183 void
 184 AudioStreamView::setup_rec_box ()
 185 {
 186         //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
 187
 188         if (_trackview.session()->transport_rolling()) {
 189
 190                 // cerr << "\trolling\n";
 191
 192                 if (!rec_active &&
 193                     _trackview.session()->record_status() == Session::Recording &&
 194                     _trackview.track()->record_enabled()) {
 195                         if (_trackview.audio_track()->mode() == Normal && Config->get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
 196
 197                                 /* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
 198
 199                                 SourceList sources;
 200
 201                                 rec_data_ready_connections.drop_connections ();
 202                                 boost::shared_ptr<AudioTrack> tr = _trackview.audio_track();
 203
 204                                 for (uint32_t n = 0; n < tr->n_channels().n_audio(); ++n) {
 205                                         boost::shared_ptr<AudioFileSource> src = tr->write_source (n);
 206                                         if (src) {
 207                                                 sources.push_back (src);
 208                                                 src->PeakRangeReady.connect (rec_data_ready_connections,
 209                                                                              invalidator (*this),
 210                                                                              boost::bind (&AudioStreamView::rec_peak_range_ready, this, _1, _2, boost::weak_ptr<Source>(src)),
 211                                                                              gui_context());
 212                                         }
 213                                 }
 214
 215                                 // handle multi
 216
 217                                 framepos_t start = 0;
 218                                 if (rec_regions.size() > 0) {
 219                                         start = rec_regions.back().first->start()
 220                                                         + _trackview.track()->get_captured_frames(rec_regions.size()-1);
 221                                 }
 222
 223                                 PropertyList plist;
 224
 225                                 plist.add (Properties::start, start);
 226                                 plist.add (Properties::length, 1);
 227                                 plist.add (Properties::name, string());
 228                                 plist.add (Properties::layer, 0);
 229
 230                                 boost::shared_ptr<AudioRegion> region (
 231                                         boost::dynamic_pointer_cast<AudioRegion>(RegionFactory::create (sources, plist, false)));
 232
 233                                 assert(region);
 234                                 region->set_position (_trackview.session()->transport_frame());
 235                                 rec_regions.push_back (make_pair(region, (RegionView*) 0));
 236                         }
 237
 238                         /* start a new rec box */
 239
 240                         boost::shared_ptr<AudioTrack> at;
 241
 242                         at = _trackview.audio_track(); /* we know what it is already */
 243                         framepos_t const frame_pos = at->current_capture_start ();
 244                         gdouble xstart = _trackview.editor().sample_to_pixel (frame_pos);
 245                         gdouble xend = xstart; /* keeps gcc optimized happy, really set in switch() below */
 246                         uint32_t fill_color;
 247
 248                         switch (_trackview.audio_track()->mode()) {
 249                         case Normal:
 250                         case NonLayered:
 251                                 xend = xstart;
 252                                 fill_color = ARDOUR_UI::config()->get_RecordingRect();
 253                                 break;
 254
 255                         case Destructive:
 256                                 xend = xstart + 2;
 257                                 fill_color = ARDOUR_UI::config()->get_RecordingRect();
 258                                 /* make the recording rect translucent to allow
 259                                    the user to see the peak data coming in, etc.
 260                                 */
 261                                 fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
 262                                 break;
 263                         default:
 264                                 fatal << string_compose (_("programming error: %1: %2"),
 265                                                 "AudioStreamView: impossible track mode",
 266                                                 (int) _trackview.audio_track()->mode()) << endmsg;
 267                                 abort(); /*NOTREACHED*/
 268                         }
 269
 270                         ArdourCanvas::Rectangle * rec_rect = new ArdourCanvas::TimeRectangle (_canvas_group);
 271                         rec_rect->set_x0 (xstart);
 272                         rec_rect->set_y0 (0);
 273                         rec_rect->set_x1 (xend);
 274                         rec_rect->set_y1 (child_height ());
 275                         rec_rect->set_outline_what (ArdourCanvas::Rectangle::What (0));
 276                         rec_rect->set_outline_color (ARDOUR_UI::config()->get_TimeAxisFrame());
 277                         rec_rect->set_fill_color (fill_color);
 278
 279                         RecBoxInfo recbox;
 280                         recbox.rectangle = rec_rect;
 281
 282                         if (rec_rects.empty()) {
 283                                 recbox.start = _trackview.session()->record_location ();
 284                         } else {
 285                                 recbox.start = _trackview.session()->transport_frame ();
 286                         }
 287                         recbox.length = 0;
 288
 289                         rec_rects.push_back (recbox);
 290
 291                         screen_update_connection.disconnect();
 292                         screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
 293                                         sigc::mem_fun (*this, &AudioStreamView::update_rec_box));
 294                         rec_updating = true;
 295                         rec_active = true;
 296
 297                 } else if (rec_active &&
 298                            (_trackview.session()->record_status() != Session::Recording ||
 299                             !_trackview.track()->record_enabled())) {
 300                         screen_update_connection.disconnect();
 301                         rec_active = false;
 302                         rec_updating = false;
 303                 }
 304
 305         } else {
 306
 307                 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
 308
 309                 if (!rec_rects.empty() || !rec_regions.empty()) {
 310
 311                         /* disconnect rapid update */
 312                         screen_update_connection.disconnect();
 313                         rec_data_ready_connections.drop_connections ();
 314                         rec_updating = false;
 315                         rec_active = false;
 316
 317                         /* remove temp regions */
 318
 319                         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
 320                                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 321
 322                                 tmp = iter;
 323                                 ++tmp;
 324
 325                                 (*iter).first->drop_references ();
 326
 327                                 iter = tmp;
 328                         }
 329
 330                         rec_regions.clear();
 331
 332                         // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
 333
 334                         /* transport stopped, clear boxes */
 335                         for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
 336                                 RecBoxInfo &rect = (*iter);
 337                                 delete rect.rectangle;
 338                         }
 339
 340                         rec_rects.clear();
 341
 342                 }
 343         }
 344 }
 345
 346 void
 347 AudioStreamView::rec_peak_range_ready (framepos_t start, framecnt_t cnt, boost::weak_ptr<Source> weak_src)
 348 {
 349         ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
 350
 351         boost::shared_ptr<Source> src (weak_src.lock());
 352
 353         if (!src) {
 354                 return;
 355         }
 356
 357         // this is called from the peak building thread
 358
 359         if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_frame) {
 360                 last_rec_data_frame = start + cnt;
 361         }
 362
 363         rec_data_ready_map[src] = true;
 364
 365         if (rec_data_ready_map.size() == _trackview.track()->n_channels().n_audio()) {
 366                 update_rec_regions (start, cnt);
 367                 rec_data_ready_map.clear();
 368         }
 369 }
 370
 371 void
 372 AudioStreamView::update_rec_regions (framepos_t start, framecnt_t cnt)
 373 {
 374         if (!Config->get_show_waveforms_while_recording ()) {
 375                 return;
 376         }
 377
 378         uint32_t n = 0;
 379
 380         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
 381
 382                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
 383                 ++tmp;
 384
 385                 assert (n < rec_rects.size());
 386
 387                 if (!rec_rects[n].rectangle->visible()) {
 388                         /* rect already hidden, this region is done */
 389                         iter = tmp;
 390                         continue;
 391                 }
 392
 393                 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
 394
 395                 if (!region) {
 396                         iter = tmp;
 397                         continue;
 398                 }
 399
 400                 framecnt_t origlen = region->length();
 401
 402                 if (region == rec_regions.back().first && rec_active) {
 403
 404                         if (last_rec_data_frame > region->start()) {
 405
 406                                 framecnt_t nlen = last_rec_data_frame - region->start();
 407
 408                                 if (nlen != region->length()) {
 409
 410                                         region->suspend_property_changes ();
 411                                         region->set_position (_trackview.track()->get_capture_start_frame(n));
 412                                         region->set_length (nlen);
 413                                         region->resume_property_changes ();
 414
 415                                         if (origlen == 1) {
 416                                                 /* our special initial length */
 417                                                 add_region_view_internal (region, false, true);
 418                                                 setup_new_rec_layer_time (region);
 419                                         }
 420
 421                                         check_record_layers (region, (region->position() - region->start() + start + cnt));
 422
 423                                         /* also update rect */
 424                                         ArdourCanvas::Rectangle * rect = rec_rects[n].rectangle;
 425                                         gdouble xend = _trackview.editor().sample_to_pixel (region->position() + region->length());
 426                                         rect->set_x1 (xend);
 427                                 }
 428
 429                         } else {
 430
 431                                 framecnt_t nlen = _trackview.track()->get_captured_frames(n);
 432
 433                                 if (nlen != region->length()) {
 434
 435                                         if (region->source_length(0) >= region->start() + nlen) {
 436
 437                                                 region->suspend_property_changes ();
 438                                                 region->set_position (_trackview.track()->get_capture_start_frame(n));
 439                                                 region->set_length (nlen);
 440                                                 region->resume_property_changes ();
 441
 442                                                 if (origlen == 1) {
 443                                                         /* our special initial length */
 444                                                         add_region_view_internal (region, false, true);
 445                                                 }
 446
 447                                                 /* also hide rect */
 448                                                 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
 449                                                 rect->hide();
 450
 451                                         }
 452                                 }
 453                         }
 454                 }
 455
 456                 iter = tmp;
 457         }
 458 }
 459
 460 void
 461 AudioStreamView::show_all_fades ()
 462 {
 463         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 464                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 465                 if (arv) {
 466                         arv->set_fade_visibility (true);
 467                 }
 468         }
 469 }
 470
 471 void
 472 AudioStreamView::hide_all_fades ()
 473 {
 474         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 475                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 476                 if (arv) {
 477                         arv->set_fade_visibility (false);
 478                 }
 479         }
 480 }
 481
 482 /** Hide xfades for regions that overlap ar.
 483  *  @return Pair of lists; first is the AudioRegionViews that start xfades were hidden for,
 484  *  second is the AudioRegionViews that end xfades were hidden for.
 485  */
 486 pair<list<AudioRegionView*>, list<AudioRegionView*> >
 487 AudioStreamView::hide_xfades_with (boost::shared_ptr<AudioRegion> ar)
 488 {
 489         list<AudioRegionView*> start_hidden;
 490         list<AudioRegionView*> end_hidden;
 491
 492         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 493                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 494                 if (arv) {
 495                         switch (arv->region()->coverage (ar->position(), ar->last_frame())) {
 496                         case Evoral::OverlapNone:
 497                                 break;
 498                         default:
 499                                 if (arv->start_xfade_visible ()) {
 500                                         start_hidden.push_back (arv);
 501                                 }
 502                                 if (arv->end_xfade_visible ()) {
 503                                         end_hidden.push_back (arv);
 504                                 }
 505                                 arv->hide_xfades ();
 506                                 break;
 507                         }
 508                 }
 509         }
 510
 511         return make_pair (start_hidden, end_hidden);
 512 }
 513
 514 void
 515 AudioStreamView::color_handler ()
 516 {
 517         //case cAudioTrackBase:
 518         if (_trackview.is_track()) {
 519                 canvas_rect->set_fill_color (ARDOUR_UI::config()->get_AudioTrackBase());
 520         }
 521
 522         //case cAudioBusBase:
 523         if (!_trackview.is_track()) {
 524                 if (Profile->get_sae() && _trackview.route()->is_master()) {
 525                         canvas_rect->set_fill_color (ARDOUR_UI::config()->get_AudioMasterBusBase());
 526                 } else {
 527                         canvas_rect->set_fill_color (ARDOUR_UI::config()->get_AudioBusBase());
 528                 }
 529         }
 530 }