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