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 #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
  65 int
  66 AudioStreamView::set_amplitude_above_axis (gdouble app)
  67 {
  68         RegionViewList::iterator i;
  69
  70         if (app < 1.0) {
  71                 return -1;
  72         }
  73
  74         _amplitude_above_axis = app;
  75
  76         for (i = region_views.begin(); i != region_views.end(); ++i) {
  77                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
  78                 if (arv)
  79                         arv->set_amplitude_above_axis (app);
  80         }
  81
  82         return 0;
  83 }
  84
  85 RegionView*
  86 AudioStreamView::create_region_view (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
  87 {
  88         AudioRegionView *region_view = 0;
  89         boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
  90
  91         if (region == 0) {
  92                 return 0;
  93         }
  94
  95         switch (_trackview.audio_track()->mode()) {
  96
  97         case NonLayered:
  98         case Normal:
  99                 if (recording) {
 100                         region_view = new AudioRegionView (_canvas_group, _trackview, region,
 101                                                            _samples_per_pixel, region_color, recording, TimeAxisViewItem::Visibility(
 102                                                                    TimeAxisViewItem::ShowFrame |
 103                                                                    TimeAxisViewItem::HideFrameRight |
 104                                                                    TimeAxisViewItem::HideFrameLeft |
 105                                                                    TimeAxisViewItem::HideFrameTB));
 106                 } else {
 107                         region_view = new AudioRegionView (_canvas_group, _trackview, region,
 108                                         _samples_per_pixel, region_color);
 109                 }
 110                 break;
 111         case Destructive:
 112                 region_view = new TapeAudioRegionView (_canvas_group, _trackview, region,
 113                                 _samples_per_pixel, region_color);
 114                 break;
 115         default:
 116                 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::add_region_view_internal") << endmsg;
 117                 /*NOTREACHED*/
 118
 119         }
 120
 121         region_view->init (region_color, wait_for_waves);
 122         region_view->set_amplitude_above_axis(_amplitude_above_axis);
 123         region_view->set_height (child_height ());
 124
 125         /* if its the special single-sample length that we use for rec-regions, make it
 126            insensitive to events
 127         */
 128
 129         if (region->length() == 1) {
 130                 region_view->set_sensitive (false);
 131         }
 132
 133         return region_view;
 134 }
 135
 136 RegionView*
 137 AudioStreamView::add_region_view_internal (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
 138 {
 139         RegionView *region_view = create_region_view (r, wait_for_waves, recording);
 140
 141         if (region_view == 0) {
 142                 return 0;
 143         }
 144
 145 //      if(!recording){
 146 //              for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 147 //                      if ((*i)->region() == r) {
 148 //                              cerr << "audio_streamview in add_region_view_internal region found" << endl;
 149                                 /* great. we already have a AudioRegionView for this Region. use it again. */
 150
 151 //                              (*i)->set_valid (true);
 152
 153                                 // this might not be necessary
 154 //                              AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 155
 156 //                              if (arv) {
 157 //                                      arv->set_waveform_scale (_waveform_scale);
 158 //                                      arv->set_waveform_shape (_waveform_shape);
 159 //                              }
 160
 161 //                              return NULL;
 162 //                      }
 163 //              }
 164 //      }
 165
 166         region_views.push_front (region_view);
 167
 168         if (_trackview.editor().internal_editing()) {
 169                 region_view->hide_rect ();
 170         } else {
 171                 region_view->show_rect ();
 172         }
 173
 174         /* catch region going away */
 175
 176         r->DropReferences.connect (*this, invalidator (*this), boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
 177
 178         RegionViewAdded (region_view);
 179
 180         return region_view;
 181 }
 182
 183 void
 184 AudioStreamView::redisplay_track ()
 185 {
 186         list<RegionView *>::iterator i;
 187
 188         // Flag region views as invalid and disable drawing
 189         for (i = region_views.begin(); i != region_views.end(); ++i) {
 190                 (*i)->set_valid (false);
 191                 (*i)->enable_display (false);
 192         }
 193
 194         // Add and display views, and flag them as valid
 195         if (_trackview.is_audio_track()) {
 196                 _trackview.track()->playlist()->foreach_region(
 197                         sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
 198                         );
 199         }
 200
 201         // Stack regions by layer, and remove invalid regions
 202         layer_regions();
 203 }
 204
 205 void
 206 AudioStreamView::setup_rec_box ()
 207 {
 208         //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
 209
 210         if (_trackview.session()->transport_rolling()) {
 211
 212                 // cerr << "\trolling\n";
 213
 214                 if (!rec_active &&
 215                     _trackview.session()->record_status() == Session::Recording &&
 216                     _trackview.track()->record_enabled()) {
 217                         if (_trackview.audio_track()->mode() == Normal && Config->get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
 218
 219                                 /* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
 220
 221                                 SourceList sources;
 222
 223                                 rec_data_ready_connections.drop_connections ();
 224                                 boost::shared_ptr<AudioTrack> tr = _trackview.audio_track();
 225
 226                                 for (uint32_t n = 0; n < tr->n_channels().n_audio(); ++n) {
 227                                         boost::shared_ptr<AudioFileSource> src = tr->write_source (n);
 228                                         if (src) {
 229                                                 sources.push_back (src);
 230                                                 src->PeakRangeReady.connect (rec_data_ready_connections,
 231                                                                              invalidator (*this),
 232                                                                              boost::bind (&AudioStreamView::rec_peak_range_ready, this, _1, _2, boost::weak_ptr<Source>(src)),
 233                                                                              gui_context());
 234                                         }
 235                                 }
 236
 237                                 // handle multi
 238
 239                                 framepos_t start = 0;
 240                                 if (rec_regions.size() > 0) {
 241                                         start = rec_regions.back().first->start()
 242                                                         + _trackview.track()->get_captured_frames(rec_regions.size()-1);
 243                                 }
 244
 245                                 PropertyList plist;
 246
 247                                 plist.add (Properties::start, start);
 248                                 plist.add (Properties::length, 1);
 249                                 plist.add (Properties::name, string());
 250                                 plist.add (Properties::layer, 0);
 251
 252                                 boost::shared_ptr<AudioRegion> region (
 253                                         boost::dynamic_pointer_cast<AudioRegion>(RegionFactory::create (sources, plist, false)));
 254
 255                                 assert(region);
 256                                 region->set_position (_trackview.session()->transport_frame());
 257                                 rec_regions.push_back (make_pair(region, (RegionView*) 0));
 258                         }
 259
 260                         /* start a new rec box */
 261
 262                         boost::shared_ptr<AudioTrack> at;
 263
 264                         at = _trackview.audio_track(); /* we know what it is already */
 265                         framepos_t const frame_pos = at->current_capture_start ();
 266                         gdouble xstart = _trackview.editor().sample_to_pixel (frame_pos);
 267                         gdouble xend;
 268                         uint32_t fill_color;
 269
 270                         switch (_trackview.audio_track()->mode()) {
 271                         case Normal:
 272                         case NonLayered:
 273                                 xend = xstart;
 274                                 fill_color = ARDOUR_UI::config()->get_canvasvar_RecordingRect();
 275                                 break;
 276
 277                         case Destructive:
 278                                 xend = xstart + 2;
 279                                 fill_color = ARDOUR_UI::config()->get_canvasvar_RecordingRect();
 280                                 /* make the recording rect translucent to allow
 281                                    the user to see the peak data coming in, etc.
 282                                 */
 283                                 fill_color = UINT_RGBA_CHANGE_A (fill_color, 120);
 284                                 break;
 285                         }
 286
 287                         ArdourCanvas::Rectangle * rec_rect = new ArdourCanvas::Rectangle (_canvas_group);
 288                         rec_rect->set_x0 (xstart);
 289                         rec_rect->set_y0 (1);
 290                         rec_rect->set_x1 (xend);
 291                         rec_rect->set_y1 (child_height ());
 292                         rec_rect->set_outline_what (0);
 293                         rec_rect->set_outline_color (ARDOUR_UI::config()->get_canvasvar_TimeAxisFrame());
 294                         rec_rect->set_fill_color (fill_color);
 295                         rec_rect->lower_to_bottom();
 296
 297                         RecBoxInfo recbox;
 298                         recbox.rectangle = rec_rect;
 299                         recbox.start = _trackview.session()->transport_frame();
 300                         recbox.length = 0;
 301
 302                         rec_rects.push_back (recbox);
 303
 304                         screen_update_connection.disconnect();
 305                         screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
 306                                         sigc::mem_fun (*this, &AudioStreamView::update_rec_box));
 307                         rec_updating = true;
 308                         rec_active = true;
 309
 310                 } else if (rec_active &&
 311                            (_trackview.session()->record_status() != Session::Recording ||
 312                             !_trackview.track()->record_enabled())) {
 313                         screen_update_connection.disconnect();
 314                         rec_active = false;
 315                         rec_updating = false;
 316                 }
 317
 318         } else {
 319
 320                 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
 321
 322                 if (!rec_rects.empty() || !rec_regions.empty()) {
 323
 324                         /* disconnect rapid update */
 325                         screen_update_connection.disconnect();
 326                         rec_data_ready_connections.drop_connections ();
 327                         rec_updating = false;
 328                         rec_active = false;
 329
 330                         /* remove temp regions */
 331
 332                         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
 333                                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 334
 335                                 tmp = iter;
 336                                 ++tmp;
 337
 338                                 (*iter).first->drop_references ();
 339
 340                                 iter = tmp;
 341                         }
 342
 343                         rec_regions.clear();
 344
 345                         // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
 346
 347                         /* transport stopped, clear boxes */
 348                         for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
 349                                 RecBoxInfo &rect = (*iter);
 350                                 delete rect.rectangle;
 351                         }
 352
 353                         rec_rects.clear();
 354
 355                 }
 356         }
 357 }
 358
 359 void
 360 AudioStreamView::rec_peak_range_ready (framepos_t start, framecnt_t cnt, boost::weak_ptr<Source> weak_src)
 361 {
 362         ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
 363
 364         boost::shared_ptr<Source> src (weak_src.lock());
 365
 366         if (!src) {
 367                 return;
 368         }
 369
 370         // this is called from the peak building thread
 371
 372         if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_frame) {
 373                 last_rec_data_frame = start + cnt;
 374         }
 375
 376         rec_data_ready_map[src] = true;
 377
 378         if (rec_data_ready_map.size() == _trackview.track()->n_channels().n_audio()) {
 379                 update_rec_regions (start, cnt);
 380                 rec_data_ready_map.clear();
 381         }
 382 }
 383
 384 void
 385 AudioStreamView::update_rec_regions (framepos_t start, framecnt_t cnt)
 386 {
 387         if (!Config->get_show_waveforms_while_recording ()) {
 388                 return;
 389         }
 390
 391         uint32_t n = 0;
 392
 393         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
 394
 395                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
 396                 ++tmp;
 397
 398                 assert (n < rec_rects.size());
 399
 400                 if (!rec_rects[n].rectangle->visible()) {
 401                         /* rect already hidden, this region is done */
 402                         iter = tmp;
 403                         continue;
 404                 }
 405
 406                 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
 407
 408                 if (!region) {
 409                         iter = tmp;
 410                         continue;
 411                 }
 412
 413                 framecnt_t origlen = region->length();
 414
 415                 if (region == rec_regions.back().first && rec_active) {
 416
 417                         if (last_rec_data_frame > region->start()) {
 418
 419                                 framecnt_t nlen = last_rec_data_frame - region->start();
 420
 421                                 if (nlen != region->length()) {
 422
 423                                         region->suspend_property_changes ();
 424                                         region->set_position (_trackview.track()->get_capture_start_frame(n));
 425                                         region->set_length (nlen);
 426                                         region->resume_property_changes ();
 427
 428                                         if (origlen == 1) {
 429                                                 /* our special initial length */
 430                                                 add_region_view_internal (region, false, true);
 431                                                 setup_new_rec_layer_time (region);
 432                                         }
 433
 434                                         check_record_layers (region, (region->position() - region->start() + start + cnt));
 435
 436                                         /* also update rect */
 437                                         ArdourCanvas::Rectangle * rect = rec_rects[n].rectangle;
 438                                         gdouble xend = _trackview.editor().sample_to_pixel (region->position() + region->length());
 439                                         rect->set_x1 (xend);
 440                                 }
 441
 442                         } else {
 443
 444                                 framecnt_t nlen = _trackview.track()->get_captured_frames(n);
 445
 446                                 if (nlen != region->length()) {
 447
 448                                         if (region->source_length(0) >= region->start() + nlen) {
 449
 450                                                 region->suspend_property_changes ();
 451                                                 region->set_position (_trackview.track()->get_capture_start_frame(n));
 452                                                 region->set_length (nlen);
 453                                                 region->resume_property_changes ();
 454
 455                                                 if (origlen == 1) {
 456                                                         /* our special initial length */
 457                                                         add_region_view_internal (region, false, true);
 458                                                 }
 459
 460                                                 /* also hide rect */
 461                                                 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
 462                                                 rect->hide();
 463
 464                                         }
 465                                 }
 466                         }
 467                 }
 468
 469                 iter = tmp;
 470         }
 471 }
 472
 473 void
 474 AudioStreamView::show_all_fades ()
 475 {
 476         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 477                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 478                 if (arv) {
 479                         arv->set_fade_visibility (true);
 480                 }
 481         }
 482 }
 483
 484 void
 485 AudioStreamView::hide_all_fades ()
 486 {
 487         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 488                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 489                 if (arv) {
 490                         arv->set_fade_visibility (false);
 491                 }
 492         }
 493 }
 494
 495 /** Hide xfades for regions that overlap ar.
 496  *  @return Pair of lists; first is the AudioRegionViews that start xfades were hidden for,
 497  *  second is the AudioRegionViews that end xfades were hidden for.
 498  */
 499 pair<list<AudioRegionView*>, list<AudioRegionView*> >
 500 AudioStreamView::hide_xfades_with (boost::shared_ptr<AudioRegion> ar)
 501 {
 502         list<AudioRegionView*> start_hidden;
 503         list<AudioRegionView*> end_hidden;
 504
 505         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 506                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 507                 if (arv) {
 508                         switch (arv->region()->coverage (ar->position(), ar->last_frame())) {
 509                         case Evoral::OverlapNone:
 510                                 break;
 511                         default:
 512                                 if (arv->start_xfade_visible ()) {
 513                                         start_hidden.push_back (arv);
 514                                 }
 515                                 if (arv->end_xfade_visible ()) {
 516                                         end_hidden.push_back (arv);
 517                                 }
 518                                 arv->hide_xfades ();
 519                                 break;
 520                         }
 521                 }
 522         }
 523
 524         return make_pair (start_hidden, end_hidden);
 525 }
 526
 527 void
 528 AudioStreamView::color_handler ()
 529 {
 530         //case cAudioTrackBase:
 531         if (_trackview.is_track()) {
 532                 canvas_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_AudioTrackBase());
 533         }
 534
 535         //case cAudioBusBase:
 536         if (!_trackview.is_track()) {
 537                 if (Profile->get_sae() && _trackview.route()->is_master()) {
 538                         canvas_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_AudioMasterBusBase());
 539                 } else {
 540                         canvas_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_AudioBusBase());
 541                 }
 542         }
 543 }