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 "region_gain_line.h"
  45 #include "selection.h"
  46 #include "public_editor.h"
  47 #include "rgb_macros.h"
  48 #include "gui_thread.h"
  49 #include "ui_config.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 ::create_region_view()") << endmsg;
 117                 abort(); /*NOTREACHED*/
 118
 119         }
 120
 121         region_view->init (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         region_views.push_front (region_view);
 146
 147         /* catch region going away */
 148
 149         r->DropReferences.connect (*this, invalidator (*this), boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
 150
 151         RegionViewAdded (region_view);
 152
 153         return region_view;
 154 }
 155
 156 void
 157 AudioStreamView::redisplay_track ()
 158 {
 159         list<RegionView *>::iterator i;
 160
 161         // Flag region views as invalid and disable drawing
 162         for (i = region_views.begin(); i != region_views.end(); ++i) {
 163                 (*i)->set_valid (false);
 164                 (*i)->enable_display (false);
 165         }
 166
 167         // Add and display views, and flag them as valid
 168         if (_trackview.is_audio_track()) {
 169                 _trackview.track()->playlist()->foreach_region(
 170                         sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
 171                         );
 172         }
 173
 174         // Stack regions by layer, and remove invalid regions
 175         layer_regions();
 176 }
 177
 178 void
 179 AudioStreamView::setup_rec_box ()
 180 {
 181         //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
 182
 183         if (_trackview.session()->transport_rolling()) {
 184
 185                 // cerr << "\trolling\n";
 186
 187                 if (!rec_active &&
 188                     _trackview.session()->record_status() == Session::Recording &&
 189                     _trackview.track()->record_enabled()) {
 190                         if (_trackview.audio_track()->mode() == Normal && UIConfiguration::instance().get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
 191
 192                                 /* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
 193
 194                                 SourceList sources;
 195
 196                                 rec_data_ready_connections.drop_connections ();
 197                                 boost::shared_ptr<AudioTrack> tr = _trackview.audio_track();
 198
 199                                 for (uint32_t n = 0; n < tr->n_channels().n_audio(); ++n) {
 200                                         boost::shared_ptr<AudioFileSource> src = tr->write_source (n);
 201                                         if (src) {
 202                                                 sources.push_back (src);
 203                                                 src->PeakRangeReady.connect (rec_data_ready_connections,
 204                                                                              invalidator (*this),
 205                                                                              boost::bind (&AudioStreamView::rec_peak_range_ready, this, _1, _2, boost::weak_ptr<Source>(src)),
 206                                                                              gui_context());
 207                                         }
 208                                 }
 209
 210                                 // handle multi
 211
 212                                 framepos_t start = 0;
 213                                 if (rec_regions.size() > 0) {
 214                                         start = rec_regions.back().first->start()
 215                                                         + _trackview.track()->get_captured_frames(rec_regions.size()-1);
 216                                 }
 217
 218                                 PropertyList plist;
 219
 220                                 plist.add (Properties::start, start);
 221                                 plist.add (Properties::length, 1);
 222                                 plist.add (Properties::name, string());
 223                                 plist.add (Properties::layer, 0);
 224
 225                                 boost::shared_ptr<AudioRegion> region (
 226                                         boost::dynamic_pointer_cast<AudioRegion>(RegionFactory::create (sources, plist, false)));
 227
 228                                 assert(region);
 229                                 region->set_position (_trackview.session()->transport_frame());
 230                                 rec_regions.push_back (make_pair(region, (RegionView*) 0));
 231                         }
 232
 233                         /* start a new rec box */
 234
 235                         boost::shared_ptr<AudioTrack> at = _trackview.audio_track();
 236                         framepos_t const frame_pos = at->current_capture_start ();
 237                         double     const width     = ((at->mode() == Destructive) ? 2 : 0);
 238
 239                         create_rec_box(frame_pos, width);
 240
 241                 } else if (rec_active &&
 242                            (_trackview.session()->record_status() != Session::Recording ||
 243                             !_trackview.track()->record_enabled())) {
 244                         screen_update_connection.disconnect();
 245                         rec_active = false;
 246                         rec_updating = false;
 247                 }
 248
 249         } else {
 250
 251                 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
 252
 253                 if (!rec_rects.empty() || !rec_regions.empty()) {
 254
 255                         /* disconnect rapid update */
 256                         screen_update_connection.disconnect();
 257                         rec_data_ready_connections.drop_connections ();
 258                         rec_updating = false;
 259                         rec_active = false;
 260
 261                         /* remove temp regions */
 262
 263                         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
 264                                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 265
 266                                 tmp = iter;
 267                                 ++tmp;
 268
 269                                 (*iter).first->drop_references ();
 270
 271                                 iter = tmp;
 272                         }
 273
 274                         rec_regions.clear();
 275
 276                         // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
 277
 278                         /* transport stopped, clear boxes */
 279                         for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
 280                                 RecBoxInfo &rect = (*iter);
 281                                 delete rect.rectangle;
 282                         }
 283
 284                         rec_rects.clear();
 285
 286                 }
 287         }
 288 }
 289
 290 void
 291 AudioStreamView::rec_peak_range_ready (framepos_t start, framecnt_t cnt, boost::weak_ptr<Source> weak_src)
 292 {
 293         ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
 294
 295         boost::shared_ptr<Source> src (weak_src.lock());
 296
 297         if (!src) {
 298                 return;
 299         }
 300
 301         // this is called from the peak building thread
 302
 303         if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_frame) {
 304                 last_rec_data_frame = start + cnt;
 305         }
 306
 307         rec_data_ready_map[src] = true;
 308
 309         if (rec_data_ready_map.size() == _trackview.track()->n_channels().n_audio()) {
 310                 update_rec_regions (start, cnt);
 311                 rec_data_ready_map.clear();
 312         }
 313 }
 314
 315 void
 316 AudioStreamView::update_rec_regions (framepos_t start, framecnt_t cnt)
 317 {
 318         if (!UIConfiguration::instance().get_show_waveforms_while_recording ()) {
 319                 return;
 320         }
 321
 322         uint32_t n = 0;
 323
 324         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
 325
 326                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
 327                 ++tmp;
 328
 329                 assert (n < rec_rects.size());
 330
 331                 if (!rec_rects[n].rectangle->visible()) {
 332                         /* rect already hidden, this region is done */
 333                         iter = tmp;
 334                         continue;
 335                 }
 336
 337                 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
 338
 339                 if (!region) {
 340                         iter = tmp;
 341                         continue;
 342                 }
 343
 344                 framecnt_t origlen = region->length();
 345
 346                 if (region == rec_regions.back().first && rec_active) {
 347
 348                         if (last_rec_data_frame > region->start()) {
 349
 350                                 framecnt_t nlen = last_rec_data_frame - region->start();
 351
 352                                 if (nlen != region->length()) {
 353
 354                                         region->suspend_property_changes ();
 355                                         region->set_position (_trackview.track()->get_capture_start_frame(n));
 356                                         region->set_length (nlen);
 357                                         region->resume_property_changes ();
 358
 359                                         if (origlen == 1) {
 360                                                 /* our special initial length */
 361                                                 add_region_view_internal (region, false, true);
 362                                                 setup_new_rec_layer_time (region);
 363                                         }
 364
 365                                         check_record_layers (region, (region->position() - region->start() + start + cnt));
 366
 367                                         /* also update rect */
 368                                         ArdourCanvas::Rectangle * rect = rec_rects[n].rectangle;
 369                                         gdouble xend = _trackview.editor().sample_to_pixel (region->position() + region->length());
 370                                         rect->set_x1 (xend);
 371                                 }
 372
 373                         } else {
 374
 375                                 framecnt_t nlen = _trackview.track()->get_captured_frames(n);
 376
 377                                 if (nlen != region->length()) {
 378
 379                                         if (region->source_length(0) >= region->start() + nlen) {
 380
 381                                                 region->suspend_property_changes ();
 382                                                 region->set_position (_trackview.track()->get_capture_start_frame(n));
 383                                                 region->set_length (nlen);
 384                                                 region->resume_property_changes ();
 385
 386                                                 if (origlen == 1) {
 387                                                         /* our special initial length */
 388                                                         add_region_view_internal (region, false, true);
 389                                                 }
 390
 391                                                 /* also hide rect */
 392                                                 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
 393                                                 rect->hide();
 394
 395                                         }
 396                                 }
 397                         }
 398                 }
 399
 400                 iter = tmp;
 401         }
 402 }
 403
 404 void
 405 AudioStreamView::show_all_fades ()
 406 {
 407         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 408                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 409                 if (arv) {
 410                         arv->set_fade_visibility (true);
 411                 }
 412         }
 413 }
 414
 415 void
 416 AudioStreamView::hide_all_fades ()
 417 {
 418         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 419                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 420                 if (arv) {
 421                         arv->set_fade_visibility (false);
 422                 }
 423         }
 424 }
 425
 426 /** Hide xfades for regions that overlap ar.
 427  *  @return Pair of lists; first is the AudioRegionViews that start xfades were hidden for,
 428  *  second is the AudioRegionViews that end xfades were hidden for.
 429  */
 430 pair<list<AudioRegionView*>, list<AudioRegionView*> >
 431 AudioStreamView::hide_xfades_with (boost::shared_ptr<AudioRegion> ar)
 432 {
 433         list<AudioRegionView*> start_hidden;
 434         list<AudioRegionView*> end_hidden;
 435
 436         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 437                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 438                 if (arv) {
 439                         switch (arv->region()->coverage (ar->position(), ar->last_frame())) {
 440                         case Evoral::OverlapNone:
 441                                 break;
 442                         default:
 443                                 if (arv->start_xfade_visible ()) {
 444                                         start_hidden.push_back (arv);
 445                                 }
 446                                 if (arv->end_xfade_visible ()) {
 447                                         end_hidden.push_back (arv);
 448                                 }
 449                                 arv->hide_xfades ();
 450                                 break;
 451                         }
 452                 }
 453         }
 454
 455         return make_pair (start_hidden, end_hidden);
 456 }
 457
 458 void
 459 AudioStreamView::color_handler ()
 460 {
 461         //case cAudioTrackBase:
 462         if (_trackview.is_track()) {
 463                 canvas_rect->set_fill_color (UIConfiguration::instance().color_mod ("audio track base", "audio track base"));
 464         }
 465
 466         //case cAudioBusBase:
 467         if (!_trackview.is_track()) {
 468                 if (Profile->get_sae() && _trackview.route()->is_master()) {
 469                         canvas_rect->set_fill_color (UIConfiguration::instance().color ("audio master bus base"));
 470                 } else {
 471                         canvas_rect->set_fill_color (UIConfiguration::instance().color_mod ("audio bus base", "audio bus base"));
 472                 }
 473         }
 474 }
 475
 476 void
 477 AudioStreamView::set_selected_points (PointSelection& points)
 478 {
 479         for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 480                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 481                 if (arv && arv->get_gain_line ()) {
 482                         arv->get_gain_line ()->set_selected_points (points);
 483                 }
 484         }
 485 }