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