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