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 = _trackview.audio_track();
 241                         framepos_t const frame_pos = at->current_capture_start ();
 242                         double     const width     = ((at->mode() == Destructive) ? 2 : 0);
 243
 244                         create_rec_box(frame_pos, width);
 245
 246                 } else if (rec_active &&
 247                            (_trackview.session()->record_status() != Session::Recording ||
 248                             !_trackview.track()->record_enabled())) {
 249                         screen_update_connection.disconnect();
 250                         rec_active = false;
 251                         rec_updating = false;
 252                 }
 253
 254         } else {
 255
 256                 // cerr << "\tNOT rolling, rec_rects = " << rec_rects.size() << " rec_regions = " << rec_regions.size() << endl;
 257
 258                 if (!rec_rects.empty() || !rec_regions.empty()) {
 259
 260                         /* disconnect rapid update */
 261                         screen_update_connection.disconnect();
 262                         rec_data_ready_connections.drop_connections ();
 263                         rec_updating = false;
 264                         rec_active = false;
 265
 266                         /* remove temp regions */
 267
 268                         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); ) {
 269                                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp;
 270
 271                                 tmp = iter;
 272                                 ++tmp;
 273
 274                                 (*iter).first->drop_references ();
 275
 276                                 iter = tmp;
 277                         }
 278
 279                         rec_regions.clear();
 280
 281                         // cerr << "\tclear " << rec_rects.size() << " rec rects\n";
 282
 283                         /* transport stopped, clear boxes */
 284                         for (vector<RecBoxInfo>::iterator iter=rec_rects.begin(); iter != rec_rects.end(); ++iter) {
 285                                 RecBoxInfo &rect = (*iter);
 286                                 delete rect.rectangle;
 287                         }
 288
 289                         rec_rects.clear();
 290
 291                 }
 292         }
 293 }
 294
 295 void
 296 AudioStreamView::rec_peak_range_ready (framepos_t start, framecnt_t cnt, boost::weak_ptr<Source> weak_src)
 297 {
 298         ENSURE_GUI_THREAD (*this, &AudioStreamView::rec_peak_range_ready, start, cnt, weak_src)
 299
 300         boost::shared_ptr<Source> src (weak_src.lock());
 301
 302         if (!src) {
 303                 return;
 304         }
 305
 306         // this is called from the peak building thread
 307
 308         if (rec_data_ready_map.size() == 0 || start + cnt > last_rec_data_frame) {
 309                 last_rec_data_frame = start + cnt;
 310         }
 311
 312         rec_data_ready_map[src] = true;
 313
 314         if (rec_data_ready_map.size() == _trackview.track()->n_channels().n_audio()) {
 315                 update_rec_regions (start, cnt);
 316                 rec_data_ready_map.clear();
 317         }
 318 }
 319
 320 void
 321 AudioStreamView::update_rec_regions (framepos_t start, framecnt_t cnt)
 322 {
 323         if (!Config->get_show_waveforms_while_recording ()) {
 324                 return;
 325         }
 326
 327         uint32_t n = 0;
 328
 329         for (list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator iter = rec_regions.begin(); iter != rec_regions.end(); n++) {
 330
 331                 list<pair<boost::shared_ptr<Region>,RegionView*> >::iterator tmp = iter;
 332                 ++tmp;
 333
 334                 assert (n < rec_rects.size());
 335
 336                 if (!rec_rects[n].rectangle->visible()) {
 337                         /* rect already hidden, this region is done */
 338                         iter = tmp;
 339                         continue;
 340                 }
 341
 342                 boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(iter->first);
 343
 344                 if (!region) {
 345                         iter = tmp;
 346                         continue;
 347                 }
 348
 349                 framecnt_t origlen = region->length();
 350
 351                 if (region == rec_regions.back().first && rec_active) {
 352
 353                         if (last_rec_data_frame > region->start()) {
 354
 355                                 framecnt_t nlen = last_rec_data_frame - region->start();
 356
 357                                 if (nlen != region->length()) {
 358
 359                                         region->suspend_property_changes ();
 360                                         region->set_position (_trackview.track()->get_capture_start_frame(n));
 361                                         region->set_length (nlen);
 362                                         region->resume_property_changes ();
 363
 364                                         if (origlen == 1) {
 365                                                 /* our special initial length */
 366                                                 add_region_view_internal (region, false, true);
 367                                                 setup_new_rec_layer_time (region);
 368                                         }
 369
 370                                         check_record_layers (region, (region->position() - region->start() + start + cnt));
 371
 372                                         /* also update rect */
 373                                         ArdourCanvas::Rectangle * rect = rec_rects[n].rectangle;
 374                                         gdouble xend = _trackview.editor().sample_to_pixel (region->position() + region->length());
 375                                         rect->set_x1 (xend);
 376                                 }
 377
 378                         } else {
 379
 380                                 framecnt_t nlen = _trackview.track()->get_captured_frames(n);
 381
 382                                 if (nlen != region->length()) {
 383
 384                                         if (region->source_length(0) >= region->start() + nlen) {
 385
 386                                                 region->suspend_property_changes ();
 387                                                 region->set_position (_trackview.track()->get_capture_start_frame(n));
 388                                                 region->set_length (nlen);
 389                                                 region->resume_property_changes ();
 390
 391                                                 if (origlen == 1) {
 392                                                         /* our special initial length */
 393                                                         add_region_view_internal (region, false, true);
 394                                                 }
 395
 396                                                 /* also hide rect */
 397                                                 ArdourCanvas::Item * rect = rec_rects[n].rectangle;
 398                                                 rect->hide();
 399
 400                                         }
 401                                 }
 402                         }
 403                 }
 404
 405                 iter = tmp;
 406         }
 407 }
 408
 409 void
 410 AudioStreamView::show_all_fades ()
 411 {
 412         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 413                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 414                 if (arv) {
 415                         arv->set_fade_visibility (true);
 416                 }
 417         }
 418 }
 419
 420 void
 421 AudioStreamView::hide_all_fades ()
 422 {
 423         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 424                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 425                 if (arv) {
 426                         arv->set_fade_visibility (false);
 427                 }
 428         }
 429 }
 430
 431 /** Hide xfades for regions that overlap ar.
 432  *  @return Pair of lists; first is the AudioRegionViews that start xfades were hidden for,
 433  *  second is the AudioRegionViews that end xfades were hidden for.
 434  */
 435 pair<list<AudioRegionView*>, list<AudioRegionView*> >
 436 AudioStreamView::hide_xfades_with (boost::shared_ptr<AudioRegion> ar)
 437 {
 438         list<AudioRegionView*> start_hidden;
 439         list<AudioRegionView*> end_hidden;
 440
 441         for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
 442                 AudioRegionView* const arv = dynamic_cast<AudioRegionView*>(*i);
 443                 if (arv) {
 444                         switch (arv->region()->coverage (ar->position(), ar->last_frame())) {
 445                         case Evoral::OverlapNone:
 446                                 break;
 447                         default:
 448                                 if (arv->start_xfade_visible ()) {
 449                                         start_hidden.push_back (arv);
 450                                 }
 451                                 if (arv->end_xfade_visible ()) {
 452                                         end_hidden.push_back (arv);
 453                                 }
 454                                 arv->hide_xfades ();
 455                                 break;
 456                         }
 457                 }
 458         }
 459
 460         return make_pair (start_hidden, end_hidden);
 461 }
 462
 463 void
 464 AudioStreamView::color_handler ()
 465 {
 466         //case cAudioTrackBase:
 467         if (_trackview.is_track()) {
 468                 canvas_rect->set_fill_color (ARDOUR_UI::config()->color_mod ("audio track base", "audio track base"));
 469         }
 470
 471         //case cAudioBusBase:
 472         if (!_trackview.is_track()) {
 473                 if (Profile->get_sae() && _trackview.route()->is_master()) {
 474                         canvas_rect->set_fill_color (ARDOUR_UI::config()->color ("audio master bus base"));
 475                 } else {
 476                         canvas_rect->set_fill_color (ARDOUR_UI::config()->color_mod ("audio bus base", "audio bus base"));
 477                 }
 478         }
 479 }