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