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