gtk2_ardour/audio_streamview.cc

   1 /*
   2  * Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
   3  * Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
   4  * Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
   5  * Copyright (C) 2007 Doug McLain <doug@nostar.net>
   6  * Copyright (C) 2014-2017 Robin Gareus <robin@gareus.org>
   7  * Copyright (C) 2015-2016 Nick Mainsbridge <mainsbridge@gmail.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  22  */
  23
  24 #include <cmath>
  25 #include <cassert>
  26 #include <utility>
  27
  28 #include <gtkmm.h>
  29
  30 #include <gtkmm2ext/gtk_ui.h>
  31
  32 #include "pbd/stacktrace.h"
  33
  34 #include "ardour/audioregion.h"
  35 #include "ardour/audiofilesource.h"
  36 #include "ardour/audio_track.h"
  37 #include "ardour/record_enable_control.h"
  38 #include "ardour/region_factory.h"
  39 #include "ardour/profile.h"
  40 #include "ardour/rc_configuration.h"
  41 #include "ardour/session.h"
  42
  43 #include "canvas/rectangle.h"
  44
  45 #include "audio_streamview.h"
  46 #include "audio_region_view.h"
  47 #include "tape_region_view.h"
  48 #include "audio_time_axis.h"
  49 #include "region_selection.h"
  50 #include "region_gain_line.h"
  51 #include "selection.h"
  52 #include "public_editor.h"
  53 #include "rgb_macros.h"
  54 #include "gui_thread.h"
  55 #include "ui_config.h"
  56
  57 #include "pbd/i18n.h"
  58
  59 using namespace std;
  60 using namespace ARDOUR;
  61 using namespace PBD;
  62 using namespace Editing;
  63
  64 AudioStreamView::AudioStreamView (AudioTimeAxisView& tv)
  65         : StreamView (tv)
  66 {
  67         color_handler ();
  68         _amplitude_above_axis = 1.0;
  69 }
  70
  71 int
  72 AudioStreamView::set_amplitude_above_axis (gdouble app)
  73 {
  74         RegionViewList::iterator i;
  75
  76         if (app < 1.0) {
  77                 return -1;
  78         }
  79
  80         _amplitude_above_axis = app;
  81
  82         for (i = region_views.begin(); i != region_views.end(); ++i) {
  83                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
  84                 if (arv)
  85                         arv->set_amplitude_above_axis (app);
  86         }
  87
  88         return 0;
  89 }
  90
  91 RegionView*
  92 AudioStreamView::create_region_view (boost::shared_ptr<Region> r, bool wait_for_waves, bool recording)
  93 {
  94         AudioRegionView *region_view = 0;
  95         boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
  96
  97         if (region == 0) {
  98                 return 0;
  99         }
 100
 101         switch (_trackview.audio_track()->mode()) {
 102
 103         case NonLayered:
 104         case Normal:
 105                 if (recording) {
 106                         region_view = new AudioRegionView (_canvas_group, _trackview, region,
 107                                                            _samples_per_pixel, region_color, recording, TimeAxisViewItem::Visibility(
 108                                                                    TimeAxisViewItem::ShowFrame |
 109                                                                    TimeAxisViewItem::HideFrameRight |
 110                                                                    TimeAxisViewItem::HideFrameLeft |
 111                                                                    TimeAxisViewItem::HideFrameTB));
 112                 } else {
 113                         region_view = new AudioRegionView (_canvas_group, _trackview, region,
 114                                         _samples_per_pixel, region_color);
 115                 }
 116                 break;
 117         case Destructive:
 118                 region_view = new TapeAudioRegionView (_canvas_group, _trackview, region,
 119                                                        _samples_per_pixel, region_color);
 120                 break;
 121         default:
 122                 fatal << string_compose (_("programming error: %1"), "illegal track mode in ::create_region_view()") << endmsg;
 123                 abort(); /*NOTREACHED*/
 124
 125         }
 126
 127         region_view->init (wait_for_waves);
 128         region_view->set_amplitude_above_axis(_amplitude_above_axis);
 129         region_view->set_height (child_height ());
 130
 131         /* if its the special single-sample length that we use for rec-regions, make it
 132            insensitive to events
 133         */
 134
 135         if (region->length() == 1) {
 136                 region_view->set_sensitive (false);
 137         }
 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         region_views.push_front (region_view);
 152
 153         /* catch region going away */
 154
 155         r->DropReferences.connect (*this, invalidator (*this), boost::bind (&AudioStreamView::remove_region_view, this, boost::weak_ptr<Region> (r)), gui_context());
 156
 157         RegionViewAdded (region_view);
 158
 159         return region_view;
 160 }
 161
 162 void
 163 AudioStreamView::redisplay_track ()
 164 {
 165         list<RegionView *>::iterator i;
 166
 167         // Flag region views as invalid and disable drawing
 168         for (i = region_views.begin(); i != region_views.end(); ++i) {
 169                 (*i)->set_valid (false);
 170                 (*i)->enable_display (false);
 171         }
 172
 173         // Add and display views, and flag them as valid
 174         if (_trackview.is_audio_track()) {
 175                 _trackview.track()->playlist()->foreach_region(
 176                         sigc::hide_return (sigc::mem_fun (*this, &StreamView::add_region_view))
 177                         );
 178         }
 179
 180         // Stack regions by layer, and remove invalid regions
 181         layer_regions();
 182 }
 183
 184 void
 185 AudioStreamView::setup_rec_box ()
 186 {
 187         //cerr << _trackview.name() << " streamview SRB region_views.size() = " << region_views.size() << endl;
 188
 189         if (!_trackview.session()->transport_stopped()) {
 190
 191                 // cerr << "\trolling\n";
 192
 193                 if (!rec_active &&
 194                     _trackview.session()->record_status() == Session::Recording &&
 195                     _trackview.track()->rec_enable_control()->get_value()) {
 196                         if (_trackview.audio_track()->mode() == Normal && UIConfiguration::instance().get_show_waveforms_while_recording() && rec_regions.size() == rec_rects.size()) {
 197
 198                                 /* add a new region, but don't bother if they set show-waveforms-while-recording mid-record */
 199
 200                                 SourceList sources;
 201
 202                                 rec_data_ready_connections.drop_connections ();
 203                                 boost::shared_ptr<AudioTrack> tr = _trackview.audio_track();
 204
 205                                 for (uint32_t n = 0; n < tr->n_channels().n_audio(); ++n) {
 206                                         boost::shared_ptr<AudioFileSource> src = tr->write_source (n);
 207                                         if (src) {
 208                                                 sources.push_back (src);
 209                                                 src->PeakRangeReady.connect (rec_data_ready_connections,
 210                                                                              invalidator (*this),
 211                                                                              boost::bind (&AudioStreamView::rec_peak_range_ready, this, _1, _2, boost::weak_ptr<Source>(src)),
 212                                                                              gui_context());
 213                                         }
 214                                 }
 215
 216                                 // handle multi
 217
 218                                 samplepos_t start = 0;
 219                                 if (rec_regions.size() > 0) {
 220                                         start = rec_regions.back().first->start()
 221                                                         + _trackview.track()->get_captured_samples(rec_regions.size()-1);
 222                                 }
 223
 224                                 PropertyList plist;
 225
 226                                 plist.add (Properties::start, start);
 227                                 plist.add (Properties::length, 1);
 228                                 plist.add (Properties::name, string());
 229                                 plist.add (Properties::layer, 0);
 230
 231                                 boost::shared_ptr<AudioRegion> region (
 232                                         boost::dynamic_pointer_cast<AudioRegion>(RegionFactory::create (sources, plist, false)));
 233
 234                                 assert(region);
 235                                 region->set_position (_trackview.session()->transport_sample());
 236                                 rec_regions.push_back (make_pair(region, (RegionView*) 0));
 237                         }
 238
 239                         /* start a new rec box */
 240
 241                         boost::shared_ptr<AudioTrack> at = _trackview.audio_track();
 242                         samplepos_t const sample_pos = at->current_capture_start ();
 243                         double     const width     = ((at->mode() == Destructive) ? 2 : 0);
 244
 245                         create_rec_box(sample_pos, width);
 246
 247                 } else if (rec_active &&
 248                            (_trackview.session()->record_status() != Session::Recording ||
 249                             !_trackview.track()->rec_enable_control()->get_value())) {
 250                         screen_update_connection.disconnect();
 251                         rec_active = false;
 252                         rec_updating = false;
 253                 }
 254
 255         } else {
 256
 257                 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
 258
 259                 if (!rec_rects.empty() || !rec_regions.empty()) {
 260
 261                         /* disconnect rapid update */
 262                         screen_update_connection.disconnect();
 263                         rec_data_ready_connections.drop_connections ();
 264                         rec_updating = false;
 265                         rec_active = false;
 266
 267                         /* remove temp regions */
 268
 269                         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
 270                                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 271
 272                                 tmp = iter;
 273                                 ++tmp;
 274
 275                                 (*iter).first->drop_references ();
 276
 277                                 iter = tmp;
 278                         }
 279
 280                         rec_regions.clear();
 281
 282                         // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
 283
 284                         /* transport stopped, clear boxes */
 285                         for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
 286                                 RecBoxInfo &rect = (*iter);
 287                                 delete rect.rectangle;
 288                         }
 289
 290                         rec_rects.clear();
 291
 292                 }
 293         }
 294 }
 295
 296 void
 297 AudioStreamView::rec_peak_range_ready (samplepos_t start, samplecnt_t cnt, boost::weak_ptr<Source> weak_src)
 298 {
 299         ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
 300
 301         boost::shared_ptr<Source> src (weak_src.lock());
 302
 303         if (!src) {
 304                 return;
 305         }
 306
 307         // this is called from the peak building thread
 308
 309         if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_sample) {
 310                 last_rec_data_sample = start + cnt;
 311         }
 312
 313         rec_data_ready_map[src] = true;
 314
 315         if (rec_data_ready_map.size() == _trackview.track()->n_channels().n_audio()) {
 316                 update_rec_regions (start, cnt);
 317                 rec_data_ready_map.clear();
 318         }
 319 }
 320
 321 void
 322 AudioStreamView::update_rec_regions (samplepos_t start, samplecnt_t cnt)
 323 {
 324         if (!UIConfiguration::instance().get_show_waveforms_while_recording ()) {
 325                 return;
 326         }
 327
 328         uint32_t n = 0;
 329
 330         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
 331
 332                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
 333                 ++tmp;
 334
 335                 assert (n < rec_rects.size());
 336
 337                 if (!rec_rects[n].rectangle->visible()) {
 338                         /* rect already hidden, this region is done */
 339                         iter = tmp;
 340                         continue;
 341                 }
 342
 343                 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
 344
 345                 if (!region) {
 346                         iter = tmp;
 347                         continue;
 348                 }
 349
 350                 samplecnt_t origlen = region->length();
 351
 352                 if (region == rec_regions.back().first && rec_active) {
 353
 354                         if (last_rec_data_sample > region->start()) {
 355
 356                                 samplecnt_t nlen = last_rec_data_sample - region->start();
 357
 358                                 if (nlen != region->length()) {
 359
 360                                         region->suspend_property_changes ();
 361                                         /* set non-musical position / length */
 362                                         region->set_position (_trackview.track()->get_capture_start_sample(n));
 363                                         region->set_length (nlen, 0);
 364                                         region->resume_property_changes ();
 365
 366                                         if (origlen == 1) {
 367                                                 /* our special initial length */
 368                                                 add_region_view_internal (region, false, true);
 369                                                 setup_new_rec_layer_time (region);
 370                                         }
 371
 372                                         check_record_layers (region, (region->position() - region->start() + start + cnt));
 373
 374                                         /* also update rect */
 375                                         ArdourCanvas::Rectangle * rect = rec_rects[n].rectangle;
 376                                         gdouble xend = _trackview.editor().sample_to_pixel (region->position() + region->length());
 377                                         rect->set_x1 (xend);
 378                                 }
 379
 380                         } else {
 381
 382                                 samplecnt_t nlen = _trackview.track()->get_captured_samples(n);
 383
 384                                 if (nlen != region->length()) {
 385
 386                                         if (region->source_length(0) >= region->start() + nlen) {
 387
 388                                                 region->suspend_property_changes ();
 389                                                 region->set_position (_trackview.track()->get_capture_start_sample(n));
 390                                                 region->set_length (nlen, 0);
 391                                                 region->resume_property_changes ();
 392
 393                                                 if (origlen == 1) {
 394                                                         /* our special initial length */
 395                                                         add_region_view_internal (region, false, true);
 396                                                 }
 397
 398                                                 /* also hide rect */
 399                                                 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
 400                                                 rect->hide();
 401
 402                                         }
 403                                 }
 404                         }
 405                 }
 406
 407                 iter = tmp;
 408         }
 409 }
 410
 411 void
 412 AudioStreamView::show_all_fades ()
 413 {
 414         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 415                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 416                 if (arv) {
 417                         arv->set_fade_visibility (true);
 418                 }
 419         }
 420 }
 421
 422 void
 423 AudioStreamView::hide_all_fades ()
 424 {
 425         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 426                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 427                 if (arv) {
 428                         arv->set_fade_visibility (false);
 429                 }
 430         }
 431 }
 432
 433 /** Hide xfades for regions that overlap ar.
 434  *  @return Pair of lists; first is the AudioRegionViews that start xfades were hidden for,
 435  *  second is the AudioRegionViews that end xfades were hidden for.
 436  */
 437 pair<list<AudioRegionView*>, list<AudioRegionView*> >
 438 AudioStreamView::hide_xfades_with (boost::shared_ptr<AudioRegion> ar)
 439 {
 440         list<AudioRegionView*> start_hidden;
 441         list<AudioRegionView*> end_hidden;
 442
 443         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 444                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 445                 if (arv) {
 446                         switch (arv->region()->coverage (ar->position(), ar->last_sample())) {
 447                         case Evoral::OverlapNone:
 448                                 break;
 449                         default:
 450                                 if (arv->start_xfade_visible ()) {
 451                                         start_hidden.push_back (arv);
 452                                 }
 453                                 if (arv->end_xfade_visible ()) {
 454                                         end_hidden.push_back (arv);
 455                                 }
 456                                 arv->hide_xfades ();
 457                                 break;
 458                         }
 459                 }
 460         }
 461
 462         return make_pair (start_hidden, end_hidden);
 463 }
 464
 465 void
 466 AudioStreamView::color_handler ()
 467 {
 468         //case cAudioTrackBase:
 469         if (_trackview.is_track()) {
 470                 canvas_rect->set_fill_color (UIConfiguration::instance().color_mod ("audio track base", "audio track base"));
 471         }
 472
 473         //case cAudioBusBase:
 474         if (!_trackview.is_track()) {
 475                 canvas_rect->set_fill_color (UIConfiguration::instance().color_mod ("audio bus base", "audio bus base"));
 476         }
 477 }
 478
 479 void
 480 AudioStreamView::set_selected_points (PointSelection& points)
 481 {
 482         for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 483                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 484                 if (arv && arv->get_gain_line ()) {
 485                         arv->get_gain_line ()->set_selected_points (points);
 486                 }
 487         }
 488 }