gtk2_ardour/editor_audio_import.cc

   1 /*
   2     Copyright (C) 2000-2006 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
  20 #include <sys/types.h>
  21 #include <sys/stat.h>
  22 #include <sys/time.h>
  23 #include <errno.h>
  24 #include <unistd.h>
  25
  26 #include <sndfile.h>
  27
  28 #include <pbd/pthread_utils.h>
  29 #include <pbd/basename.h>
  30 #include <pbd/shortpath.h>
  31
  32 #include <gtkmm2ext/choice.h>
  33 #include <gtkmm2ext/window_title.h>
  34
  35 #include <ardour/session.h>
  36 #include <ardour/session_directory.h>
  37 #include <ardour/audioplaylist.h>
  38 #include <ardour/audioregion.h>
  39 #include <ardour/audio_diskstream.h>
  40 #include <ardour/utils.h>
  41 #include <ardour/audio_track.h>
  42 #include <ardour/audioplaylist.h>
  43 #include <ardour/audiofilesource.h>
  44 #include <ardour/region_factory.h>
  45 #include <ardour/source_factory.h>
  46 #include <pbd/memento_command.h>
  47
  48 #include "ardour_ui.h"
  49 #include "editor.h"
  50 #include "sfdb_ui.h"
  51 #include "editing.h"
  52 #include "audio_time_axis.h"
  53 #include "utils.h"
  54
  55 #include "i18n.h"
  56
  57 using namespace std;
  58 using namespace ARDOUR;
  59 using namespace PBD;
  60 using namespace sigc;
  61 using namespace Gtk;
  62 using namespace Gtkmm2ext;
  63 using namespace Editing;
  64 using Glib::ustring;
  65
  66 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  67
  68 void
  69 Editor::add_external_audio_action (ImportMode mode_hint)
  70 {
  71         if (session == 0) {
  72                 MessageDialog msg (0, _("You can't import or embed an audiofile until you have a session loaded."));
  73                 msg.run ();
  74                 return;
  75         }
  76
  77         if (sfbrowser == 0) {
  78                 sfbrowser = new SoundFileOmega (*this, _("Add existing audio"), session, 0, true, mode_hint);
  79         } else {
  80                 sfbrowser->set_mode (mode_hint);
  81         }
  82
  83         external_audio_dialog ();
  84 }
  85
  86 void
  87 Editor::external_audio_dialog ()
  88 {
  89         vector<Glib::ustring> paths;
  90         uint32_t track_cnt;
  91
  92         if (session == 0) {
  93                 MessageDialog msg (0, _("You can't import or embed an audiofile until you have a session loaded."));
  94                 msg.run ();
  95                 return;
  96         }
  97
  98         track_cnt = 0;
  99
 100         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 101                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 102
 103                 if (!atv) {
 104                         continue;
 105                 } else if (atv->is_audio_track()) {
 106                         track_cnt++;
 107                 }
 108         }
 109
 110         if (sfbrowser == 0) {
 111                 sfbrowser = new SoundFileOmega (*this, _("Add existing audio"), session, track_cnt, true);
 112         } else {
 113                 sfbrowser->reset (track_cnt);
 114         }
 115
 116         sfbrowser->show_all ();
 117
 118   again:
 119         int response = sfbrowser->run ();
 120
 121         switch (response) {
 122         case RESPONSE_APPLY:
 123                 // leave the dialog open
 124                 break;
 125
 126         case RESPONSE_OK:
 127                 sfbrowser->hide ();
 128                 break;
 129
 130         default:
 131                 // cancel from the browser - we are done
 132                 sfbrowser->hide ();
 133                 return;
 134         }
 135
 136         /* lets do it */
 137
 138         paths = sfbrowser->get_paths ();
 139
 140         ImportPosition pos = sfbrowser->get_position ();
 141         ImportMode mode = sfbrowser->get_mode ();
 142         ImportDisposition chns = sfbrowser->get_channel_disposition ();
 143         nframes64_t where;
 144
 145         switch (pos) {
 146         case ImportAtEditCursor:
 147                 where = get_preferred_edit_position ();
 148                 break;
 149         case ImportAtTimestamp:
 150                 where = -1;
 151                 break;
 152         case ImportAtPlayhead:
 153                 where = playhead_cursor->current_frame;
 154                 break;
 155         case ImportAtStart:
 156                 where = session->current_start_frame();
 157                 break;
 158         }
 159
 160         if (where < 0) {
 161                 return;
 162         }
 163
 164         SrcQuality quality = sfbrowser->get_src_quality();
 165
 166         if (sfbrowser->copy_files_btn.get_active()) {
 167                 do_import (paths, chns, mode, quality, where);
 168         } else {
 169                 do_embed (paths, chns, mode, where);
 170         }
 171
 172         if (response == RESPONSE_APPLY) {
 173                 sfbrowser->clear_selection ();
 174                 goto again;
 175         }
 176 }
 177
 178 boost::shared_ptr<AudioTrack>
 179 Editor::get_nth_selected_audio_track (int nth) const
 180 {
 181         AudioTimeAxisView* atv;
 182         TrackSelection::iterator x;
 183
 184         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 185
 186                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 187
 188                 if (!atv) {
 189                         continue;
 190                 } else if (atv->is_audio_track()) {
 191                         --nth;
 192                 }
 193         }
 194
 195         if (x == selection->tracks.end()) {
 196                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 197         } else {
 198                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 199         }
 200
 201         if (!atv || !atv->is_audio_track()) {
 202                 return boost::shared_ptr<AudioTrack>();
 203         }
 204
 205         return atv->audio_track();
 206 }
 207
 208 void
 209 Editor::do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 210 {
 211         boost::shared_ptr<AudioTrack> track;
 212         vector<ustring> to_import;
 213         bool ok = false;
 214         int nth = 0;
 215
 216         if (interthread_progress_window == 0) {
 217                 build_interthread_progress_window ();
 218         }
 219
 220         switch (chns) {
 221         case Editing::ImportDistinctFiles:
 222                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 223
 224                         to_import.clear ();
 225                         to_import.push_back (*a);
 226
 227                         if (mode == Editing::ImportToTrack) {
 228                                 track = get_nth_selected_audio_track (nth++);
 229                         }
 230
 231                         if (import_sndfiles (to_import, mode, quality, pos, 1, -1, track)) {
 232                                 goto out;
 233                         }
 234
 235                 }
 236                 break;
 237
 238         case Editing::ImportDistinctChannels:
 239                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 240
 241                         to_import.clear ();
 242                         to_import.push_back (*a);
 243
 244                         if (import_sndfiles (to_import, mode, quality, pos, -1, -1, track)) {
 245                                 goto out;
 246                         }
 247
 248                 }
 249                 break;
 250
 251         case Editing::ImportMergeFiles:
 252                 /* create 1 region from all paths, add to 1 track,
 253                    ignore "track"
 254                 */
 255                 if (import_sndfiles (paths, mode, quality, pos, 1, 1, track)) {
 256                         goto out;
 257                 }
 258                 break;
 259
 260         case Editing::ImportSerializeFiles:
 261                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 262
 263                         to_import.clear ();
 264                         to_import.push_back (*a);
 265
 266                         /* create 1 region from this path, add to 1 track,
 267                            reuse "track" across paths
 268                         */
 269
 270                         if (import_sndfiles (to_import, mode, quality, pos, 1, 1, track)) {
 271                                 goto out;
 272                         }
 273
 274                 }
 275                 break;
 276         }
 277
 278         ok = true;
 279
 280   out:
 281         if (ok) {
 282                 session->save_state ("");
 283         }
 284
 285         interthread_progress_window->hide_all ();
 286 }
 287
 288 bool
 289 Editor::idle_do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 290 {
 291         _do_embed (paths, chns, mode, pos);
 292         return false;
 293 }
 294
 295 void
 296 Editor::do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 297 {
 298 #ifdef GTKOSX
 299         Glib::signal_idle().connect (bind (mem_fun (*this, &Editor::idle_do_embed), paths, chns, mode, pos));
 300 #else
 301         _do_embed (paths, chns, mode, pos);
 302 #endif
 303 }
 304
 305 void
 306 Editor::_do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 307 {
 308         boost::shared_ptr<AudioTrack> track;
 309         bool check_sample_rate = true;
 310         bool ok = false;
 311         vector<ustring> to_embed;
 312         bool multi = paths.size() > 1;
 313         int nth = 0;
 314
 315         switch (chns) {
 316         case Editing::ImportDistinctFiles:
 317                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 318
 319                         to_embed.clear ();
 320                         to_embed.push_back (*a);
 321
 322                         if (mode == Editing::ImportToTrack) {
 323                                 track = get_nth_selected_audio_track (nth++);
 324                         }
 325
 326                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 327                                 goto out;
 328                         }
 329                 }
 330                 break;
 331
 332         case Editing::ImportDistinctChannels:
 333                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 334
 335                         to_embed.clear ();
 336                         to_embed.push_back (*a);
 337
 338                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 339                                 goto out;
 340                         }
 341                 }
 342                 break;
 343
 344         case Editing::ImportMergeFiles:
 345                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 346                         goto out;
 347                 }
 348         break;
 349
 350         case Editing::ImportSerializeFiles:
 351                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 352
 353                         to_embed.clear ();
 354                         to_embed.push_back (*a);
 355
 356                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 357                                 goto out;
 358                         }
 359                 }
 360                 break;
 361         }
 362
 363         ok = true;
 364
 365   out:
 366         if (ok) {
 367                 session->save_state ("");
 368         }
 369 }
 370
 371 int
 372 Editor::import_sndfiles (vector<ustring> paths, ImportMode mode, SrcQuality quality, nframes64_t& pos,
 373                          int target_regions, int target_tracks, boost::shared_ptr<AudioTrack>& track)
 374 {
 375         WindowTitle title = string_compose (_("importing %1"), paths.front());
 376
 377         interthread_progress_window->set_title (title.get_string());
 378         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
 379         interthread_progress_window->show_all ();
 380         interthread_progress_bar.set_fraction (0.0f);
 381         interthread_cancel_label.set_text (_("Cancel Import"));
 382         current_interthread_info = &import_status;
 383
 384         import_status.paths = paths;
 385         import_status.done = false;
 386         import_status.cancel = false;
 387         import_status.freeze = false;
 388         import_status.done = 0.0;
 389         import_status.quality = quality;
 390
 391         interthread_progress_connection = Glib::signal_timeout().connect
 392                 (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
 393
 394         track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 395         ARDOUR_UI::instance()->flush_pending ();
 396
 397         /* start import thread for this spec. this will ultimately call Session::import_audiofile()
 398            and if successful will add the file(s) as a region to the session region list.
 399         */
 400
 401         pthread_create_and_store ("import", &import_status.thread, 0, _import_thread, this);
 402         pthread_detach (import_status.thread);
 403
 404         while (!(import_status.done || import_status.cancel)) {
 405                 gtk_main_iteration ();
 406         }
 407
 408         interthread_progress_window->hide ();
 409
 410         import_status.done = true;
 411         interthread_progress_connection.disconnect ();
 412
 413         /* import thread finished - see if we should build a new track */
 414
 415         boost::shared_ptr<AudioRegion> r;
 416
 417         if (import_status.cancel || import_status.sources.empty()) {
 418                 goto out;
 419         }
 420
 421         if (add_sources (paths, import_status.sources, pos, mode, target_regions, target_tracks, track, false) == 0) {
 422                 session->save_state ("");
 423         }
 424
 425   out:
 426         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
 427         return 0;
 428 }
 429
 430 int
 431 Editor::embed_sndfiles (vector<Glib::ustring> paths, bool multifile,
 432                         bool& check_sample_rate, ImportMode mode, nframes64_t& pos, int target_regions, int target_tracks,
 433                         boost::shared_ptr<AudioTrack>& track)
 434 {
 435         boost::shared_ptr<AudioFileSource> source;
 436         SourceList sources;
 437         string linked_path;
 438         SoundFileInfo finfo;
 439         int ret = 0;
 440
 441         track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 442         ARDOUR_UI::instance()->flush_pending ();
 443
 444         for (vector<Glib::ustring>::iterator p = paths.begin(); p != paths.end(); ++p) {
 445
 446                 ustring path = *p;
 447
 448                 /* lets see if we can link it into the session */
 449
 450                 sys::path tmp = session->session_directory().sound_path() / Glib::path_get_basename(path);
 451                 linked_path = tmp.to_string();
 452
 453                 if (link (path.c_str(), linked_path.c_str()) == 0) {
 454
 455                         /* there are many reasons why link(2) might have failed.
 456                            but if it succeeds, we now have a link in the
 457                            session sound dir that will protect against
 458                            unlinking of the original path. nice.
 459                         */
 460
 461                         path = linked_path;
 462
 463                 } else {
 464
 465                         /* one possible reason is that its already linked */
 466
 467                         if (errno == EEXIST) {
 468                                 struct stat sb;
 469
 470                                 if (stat (linked_path.c_str(), &sb) == 0) {
 471                                         if (sb.st_nlink > 1) { // its a hard link, assume its the one we want
 472                                                 path = linked_path;
 473                                         }
 474                                 }
 475                         }
 476                 }
 477
 478                 /* note that we temporarily truncated _id at the colon */
 479
 480                 string error_msg;
 481
 482                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 483                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 484                         goto out;
 485                 }
 486
 487                 if (check_sample_rate  && (finfo.samplerate != (int) session->frame_rate())) {
 488                         vector<string> choices;
 489
 490                         if (multifile) {
 491                                 choices.push_back (_("Cancel entire import"));
 492                                 choices.push_back (_("Don't embed it"));
 493                                 choices.push_back (_("Embed all without questions"));
 494
 495                                 Gtkmm2ext::Choice rate_choice (
 496                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 497                                                         short_path (path, 40)),
 498                                         choices, false);
 499
 500                                 int resx = rate_choice.run ();
 501
 502                                 switch (resx) {
 503                                 case 0: /* stop a multi-file import */
 504                                         ret = -2;
 505                                         goto out;
 506                                 case 1: /* don't embed this one */
 507                                         ret = -1;
 508                                         goto out;
 509                                 case 2: /* do it, and the rest without asking */
 510                                         check_sample_rate = false;
 511                                         break;
 512                                 case 3: /* do it */
 513                                         break;
 514                                 default:
 515                                         ret = -2;
 516                                         goto out;
 517                                 }
 518                         } else {
 519                                 choices.push_back (_("Cancel"));
 520                                 choices.push_back (_("Embed it anyway"));
 521
 522                                 Gtkmm2ext::Choice rate_choice (
 523                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 524                                         choices, false);
 525
 526                                 int resx = rate_choice.run ();
 527
 528                                 switch (resx) {
 529                                 case 0: /* don't import */
 530                                         ret = -1;
 531                                         goto out;
 532                                 case 1: /* do it */
 533                                         break;
 534                                 default:
 535                                         ret = -2;
 536                                         goto out;
 537                                 }
 538                         }
 539                 }
 540
 541                 track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 542
 543                 for (int n = 0; n < finfo.channels; ++n) {
 544                         try {
 545
 546                                 /* check if we have this thing embedded already */
 547
 548                                 boost::shared_ptr<Source> s;
 549
 550                                 if ((s = session->source_by_path_and_channel (path, n)) == 0) {
 551                                         source = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createReadable
 552                                                                                                (DataType::AUDIO, *session, path,  n,
 553                                                                                                 (mode == ImportAsTapeTrack ?
 554                                                                                                  AudioFileSource::Destructive :
 555                                                                                                  AudioFileSource::Flag (0)),
 556                                                                                                 true, true));
 557                                 } else {
 558                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 559                                 }
 560
 561                                 sources.push_back(source);
 562                         }
 563
 564                         catch (failed_constructor& err) {
 565                                 error << string_compose(_("could not open %1"), path) << endmsg;
 566                                 goto out;
 567                         }
 568
 569                         ARDOUR_UI::instance()->flush_pending ();
 570                 }
 571         }
 572
 573         if (sources.empty()) {
 574                 goto out;
 575         }
 576
 577         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 578
 579   out:
 580         track_canvas.get_window()->set_cursor (*current_canvas_cursor);
 581         return ret;
 582 }
 583
 584 int
 585 Editor::add_sources (vector<Glib::ustring> paths, SourceList& sources, nframes64_t& pos, ImportMode mode,
 586                      int target_regions, int target_tracks, boost::shared_ptr<AudioTrack>& track, bool add_channel_suffix)
 587 {
 588         vector<boost::shared_ptr<AudioRegion> > regions;
 589         ustring region_name;
 590         uint32_t input_chan = 0;
 591         uint32_t output_chan = 0;
 592
 593         if (pos == -1) { // "use timestamp"
 594                 if (sources[0]->natural_position() != 0) {
 595                         pos = sources[0]->natural_position();
 596                 } else {
 597                         // XXX is this the best alternative ?
 598                         pos = get_preferred_edit_position ();
 599                 }
 600         }
 601
 602         if (target_regions == 1) {
 603
 604                 /* take all the sources we have and package them up as a region */
 605
 606                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 607
 608                 regions.push_back (boost::dynamic_pointer_cast<AudioRegion>
 609                                    (RegionFactory::create (sources, 0, sources[0]->length(), region_name, 0,
 610                                                            Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External))));
 611
 612         } else if (target_regions == -1) {
 613
 614                 /* take each source and create a region for each one */
 615
 616                 SourceList just_one;
 617                 SourceList::iterator x;
 618                 uint32_t n;
 619
 620                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 621
 622                         just_one.clear ();
 623                         just_one.push_back (*x);
 624
 625                         boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (*x);
 626
 627                         region_name = region_name_from_path (afs->path(), false, true, sources.size(), n);
 628
 629                         regions.push_back (boost::dynamic_pointer_cast<AudioRegion>
 630                                            (RegionFactory::create (just_one, 0, (*x)->length(), region_name, 0,
 631                                                                    Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External))));
 632
 633                 }
 634         }
 635
 636         if (target_regions == 1) {
 637                 input_chan = regions.front()->n_channels();
 638         } else {
 639                 if (target_tracks == 1) {
 640                         input_chan = regions.size();
 641                 } else {
 642                         input_chan = 1;
 643                 }
 644         }
 645
 646         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 647                 output_chan = (session->master_out() ? session->master_out()->n_inputs().n_audio() : input_chan);
 648         } else {
 649                 output_chan = input_chan;
 650         }
 651
 652         int n = 0;
 653
 654         for (vector<boost::shared_ptr<AudioRegion> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 655
 656                 finish_bringing_in_audio (*r, input_chan, output_chan, pos, mode, track);
 657
 658                 if (target_tracks != 1) {
 659                         track.reset ();
 660                 } else {
 661                         pos += (*r)->length();
 662                 }
 663         }
 664
 665         /* setup peak file building in another thread */
 666
 667         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 668                 SourceFactory::setup_peakfile (*x, true);
 669         }
 670
 671         return 0;
 672 }
 673
 674 int
 675 Editor::finish_bringing_in_audio (boost::shared_ptr<AudioRegion> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos,
 676                                   ImportMode mode, boost::shared_ptr<AudioTrack>& existing_track)
 677 {
 678         switch (mode) {
 679         case ImportAsRegion:
 680                 /* relax, its been done */
 681                 break;
 682
 683         case ImportToTrack:
 684         {
 685                 if (!existing_track) {
 686
 687                         existing_track = get_nth_selected_audio_track (0);
 688
 689                         if (!existing_track) {
 690                                 return -1;
 691                         }
 692                 }
 693
 694                 boost::shared_ptr<Playlist> playlist = existing_track->diskstream()->playlist();
 695                 boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 696                 begin_reversible_command (_("insert sndfile"));
 697                 XMLNode &before = playlist->get_state();
 698                 playlist->add_region (copy, pos);
 699                 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
 700                 commit_reversible_command ();
 701                 break;
 702         }
 703
 704         case ImportAsTrack:
 705         {
 706                 if (!existing_track) {
 707                         list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Normal, 1));
 708
 709                         if (at.empty()) {
 710                                 return -1;
 711                         }
 712
 713                         existing_track = at.front();
 714                         existing_track->set_name (region->name());
 715                 }
 716
 717                 boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 718                 existing_track->diskstream()->playlist()->add_region (copy, pos);
 719                 break;
 720         }
 721
 722
 723         case ImportAsTapeTrack:
 724         {
 725                 list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Destructive));
 726                 if (!at.empty()) {
 727                         boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
 728                         at.front()->set_name (basename_nosuffix (copy->name()));
 729                         at.front()->diskstream()->playlist()->add_region (copy, pos);
 730                 }
 731                 break;
 732         }
 733         }
 734
 735         return 0;
 736 }
 737
 738 void *
 739 Editor::_import_thread (void *arg)
 740 {
 741         PBD::ThreadCreated (pthread_self(), X_("Import"));
 742
 743         Editor *ed = (Editor *) arg;
 744         return ed->import_thread ();
 745 }
 746
 747 void *
 748 Editor::import_thread ()
 749 {
 750         session->import_audiofile (import_status);
 751         pthread_exit_pbd (0);
 752         /*NOTREACHED*/
 753         return 0;
 754 }
 755
 756 gint
 757 Editor::import_progress_timeout (void *arg)
 758 {
 759         interthread_progress_label.set_text (import_status.doing_what);
 760
 761         if (import_status.freeze) {
 762                 interthread_cancel_button.set_sensitive(false);
 763         } else {
 764                 interthread_cancel_button.set_sensitive(true);
 765         }
 766
 767         if (import_status.doing_what == "building peak files") {
 768                 interthread_progress_bar.pulse ();
 769                 return FALSE;
 770         } else {
 771                 interthread_progress_bar.set_fraction (import_status.progress);
 772         }
 773
 774         return !(import_status.done || import_status.cancel);
 775 }
 776