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 #include <algorithm>
  26
  27 #include <sndfile.h>
  28
  29 #include "pbd/pthread_utils.h"
  30 #include "pbd/basename.h"
  31 #include "pbd/shortpath.h"
  32 #include "pbd/stateful_diff_command.h"
  33
  34 #include <gtkmm2ext/choice.h>
  35
  36 #include "ardour/session.h"
  37 #include "ardour/session_directory.h"
  38 #include "ardour/audioplaylist.h"
  39 #include "ardour/audioregion.h"
  40 #include "ardour/audio_diskstream.h"
  41 #include "ardour/midi_track.h"
  42 #include "ardour/midi_region.h"
  43 #include "ardour/utils.h"
  44 #include "ardour/audio_track.h"
  45 #include "ardour/audioplaylist.h"
  46 #include "ardour/audiofilesource.h"
  47 #include "ardour/region_factory.h"
  48 #include "ardour/source_factory.h"
  49 #include "ardour/session.h"
  50 #include "pbd/memento_command.h"
  51
  52 #include "ardour_ui.h"
  53 #include "editor.h"
  54 #include "sfdb_ui.h"
  55 #include "editing.h"
  56 #include "audio_time_axis.h"
  57 #include "midi_time_axis.h"
  58 #include "session_import_dialog.h"
  59 #include "utils.h"
  60 #include "gui_thread.h"
  61
  62 #include "i18n.h"
  63
  64 using namespace std;
  65 using namespace ARDOUR;
  66 using namespace PBD;
  67 using namespace Gtk;
  68 using namespace Gtkmm2ext;
  69 using namespace Editing;
  70 using Glib::ustring;
  71
  72 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  73
  74 void
  75 Editor::add_external_audio_action (ImportMode mode_hint)
  76 {
  77         if (_session == 0) {
  78                 MessageDialog msg (_("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 Media"), _session, 0, true, mode_hint);
  85         } else {
  86                 sfbrowser->set_mode (mode_hint);
  87         }
  88
  89         external_audio_dialog ();
  90 }
  91
  92 void
  93 Editor::external_audio_dialog ()
  94 {
  95         vector<Glib::ustring> paths;
  96         uint32_t track_cnt;
  97
  98         if (_session == 0) {
  99                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
 100                 msg.run ();
 101                 return;
 102         }
 103
 104         track_cnt = 0;
 105
 106         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 107                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 108
 109                 if (!atv) {
 110                         continue;
 111                 } else if (atv->is_audio_track()) {
 112                         track_cnt++;
 113                 }
 114         }
 115
 116         if (sfbrowser == 0) {
 117                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, track_cnt, true);
 118         } else {
 119                 sfbrowser->reset (track_cnt);
 120         }
 121
 122         sfbrowser->show_all ();
 123
 124
 125         bool keepRunning;
 126
 127         do {
 128                 keepRunning = false;
 129
 130                 int response = sfbrowser->run ();
 131
 132                 switch (response) {
 133                         case RESPONSE_APPLY:
 134                                 // leave the dialog open
 135                                 break;
 136
 137                         case RESPONSE_OK:
 138                                 sfbrowser->hide ();
 139                                 break;
 140
 141                         default:
 142                                 // cancel from the browser - we are done
 143                                 sfbrowser->hide ();
 144                                 return;
 145                 }
 146
 147                 /* lets do it */
 148
 149                 paths = sfbrowser->get_paths ();
 150
 151                 ImportPosition pos = sfbrowser->get_position ();
 152                 ImportMode mode = sfbrowser->get_mode ();
 153                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 154                 nframes64_t where;
 155
 156                 switch (pos) {
 157                         case ImportAtEditPoint:
 158                                 where = get_preferred_edit_position ();
 159                                 break;
 160                         case ImportAtTimestamp:
 161                                 where = -1;
 162                                 break;
 163                         case ImportAtPlayhead:
 164                                 where = playhead_cursor->current_frame;
 165                                 break;
 166                         case ImportAtStart:
 167                                 where = _session->current_start_frame();
 168                                 break;
 169                 }
 170
 171                 SrcQuality quality = sfbrowser->get_src_quality();
 172
 173
 174                 if (sfbrowser->copy_files_btn.get_active()) {
 175                         do_import (paths, chns, mode, quality, where);
 176                 } else {
 177                         do_embed (paths, chns, mode, where);
 178                 }
 179
 180                 if (response == RESPONSE_APPLY) {
 181                         sfbrowser->clear_selection ();
 182                         keepRunning = true;
 183                 }
 184
 185         } while (keepRunning);
 186 }
 187
 188 void
 189 Editor::session_import_dialog ()
 190 {
 191         SessionImportDialog dialog (_session);
 192         ensure_float (dialog);
 193         dialog.run ();
 194 }
 195
 196 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 197
 198 /**
 199  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
 200  *
 201  * all_or_nothing:
 202  *   true  = show "Update", "Import" and "Skip"
 203  *   false = show "Import", and "Cancel"
 204  *
 205  * Returns:
 206  *     0  To update an existing source of the same name
 207  *     1  To import/embed the file normally (make sure the new name will be unique)
 208  *     2  If the user wants to skip this file
 209  **/
 210 int
 211 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 212 {
 213         string wave_name (Glib::path_get_basename(path));
 214
 215         SourceMap all_sources = _session->get_sources();
 216         bool wave_name_exists = false;
 217
 218         for (SourceMap::iterator i = all_sources.begin(); i != all_sources.end(); ++i) {
 219                 string tmp (Glib::path_get_basename (i->second->path()));
 220                 if (tmp == wave_name) {
 221                         wave_name_exists = true;
 222                         break;
 223                 }
 224         }
 225
 226         int function = 1;
 227
 228         if (wave_name_exists) {
 229                 string message;
 230                 if (all_or_nothing) {
 231                         // updating is still disabled
 232                         //message = string_compose(_("The session already contains a source file named %1. Do you want to update that file (and thus all regions using the file) or import this file as a new file?"),wave_name);
 233                         message = string_compose (_("The session already contains a source file named %1.  Do you want to import %1 as a new file, or skip it?"), wave_name);
 234                 } else {
 235                         message = string_compose (_("The session already contains a source file named %1.  Do you want to import %2 as a new source, or skip it?"), wave_name, wave_name);
 236
 237                 }
 238                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 239
 240                 if (all_or_nothing) {
 241                         // disabled
 242                         //dialog.add_button("Update", 0);
 243                         dialog.add_button("Import", 1);
 244                         dialog.add_button("Skip",   2);
 245                 } else {
 246                         dialog.add_button("Import", 1);
 247                         dialog.add_button("Cancel", 2);
 248                 }
 249
 250                 //dialog.add_button("Skip all", 4); // All or rest?
 251
 252                 dialog.show();
 253
 254                 function = dialog.run ();
 255
 256                 dialog.hide();
 257         }
 258
 259         return function;
 260 }
 261
 262 boost::shared_ptr<AudioTrack>
 263 Editor::get_nth_selected_audio_track (int nth) const
 264 {
 265         AudioTimeAxisView* atv;
 266         TrackSelection::iterator x;
 267
 268         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 269
 270                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 271
 272                 if (!atv) {
 273                         continue;
 274                 } else if (atv->is_audio_track()) {
 275                         --nth;
 276                 }
 277         }
 278
 279         if (x == selection->tracks.end()) {
 280                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 281         } else {
 282                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 283         }
 284
 285         if (!atv || !atv->is_audio_track()) {
 286                 return boost::shared_ptr<AudioTrack>();
 287         }
 288
 289         return atv->audio_track();
 290 }
 291
 292 boost::shared_ptr<MidiTrack>
 293 Editor::get_nth_selected_midi_track (int nth) const
 294 {
 295         MidiTimeAxisView* mtv;
 296         TrackSelection::iterator x;
 297
 298         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 299
 300                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 301
 302                 if (!mtv) {
 303                         continue;
 304                 } else if (mtv->is_midi_track()) {
 305                         --nth;
 306                 }
 307         }
 308
 309         if (x == selection->tracks.end()) {
 310                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 311         } else {
 312                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 313         }
 314
 315         if (!mtv || !mtv->is_midi_track()) {
 316                 return boost::shared_ptr<MidiTrack>();
 317         }
 318
 319         return mtv->midi_track();
 320 }
 321
 322 void
 323 Editor::do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 324 {
 325         boost::shared_ptr<Track> track;
 326         vector<ustring> to_import;
 327         int nth = 0;
 328
 329         if (interthread_progress_window == 0) {
 330                 build_interthread_progress_window ();
 331         }
 332
 333         if (chns == Editing::ImportMergeFiles) {
 334
 335                 /* create 1 region from all paths, add to 1 track,
 336                    ignore "track"
 337                 */
 338
 339                 bool cancel = false;
 340                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 341                         int check = check_whether_and_how_to_import(*a, false);
 342                         if (check == 2) {
 343                                 cancel = true;
 344                                 break;
 345                         }
 346                 }
 347
 348                 if (!cancel) {
 349                         import_sndfiles (paths, mode, quality, pos, 1, 1, track, false, paths.size());
 350                 }
 351
 352         } else {
 353
 354                 bool replace = false;
 355                 bool ok = true;
 356                 vector<ustring>::size_type total = paths.size();
 357
 358                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 359
 360                         const int check = check_whether_and_how_to_import (*a, true);
 361
 362                         switch (check) {
 363                         case 2:
 364                                 // user said skip
 365                                 continue;
 366                         case 0:
 367                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 368                                 /* NOTREACHED*/
 369                                 break;
 370                         case 1:
 371                                 replace = false;
 372                                 break;
 373                         default:
 374                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 375                                 /* NOTREACHED*/
 376                         }
 377
 378                         switch (chns) {
 379                         case Editing::ImportDistinctFiles:
 380
 381                                 to_import.clear ();
 382                                 to_import.push_back (*a);
 383
 384                                 if (mode == Editing::ImportToTrack) {
 385                                         track = get_nth_selected_audio_track (nth++);
 386                                 }
 387
 388                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace, total) == 0);
 389                                 break;
 390
 391                         case Editing::ImportDistinctChannels:
 392
 393                                 to_import.clear ();
 394                                 to_import.push_back (*a);
 395
 396                                 ok = (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, replace, total) == 0);
 397                                 break;
 398
 399                         case Editing::ImportSerializeFiles:
 400
 401                                 to_import.clear ();
 402                                 to_import.push_back (*a);
 403
 404                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace, total) == 0);
 405                                 break;
 406
 407                         case Editing::ImportMergeFiles:
 408                                 // Not entered, handled in earlier if() branch
 409                                 break;
 410                         }
 411                 }
 412         }
 413
 414         interthread_progress_window->hide_all ();
 415 }
 416
 417 void
 418 Editor::do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 419 {
 420         boost::shared_ptr<Track> track;
 421         bool check_sample_rate = true;
 422         bool ok = false;
 423         vector<ustring> to_embed;
 424         bool multi = paths.size() > 1;
 425         int nth = 0;
 426
 427         switch (chns) {
 428         case Editing::ImportDistinctFiles:
 429                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 430
 431                         to_embed.clear ();
 432                         to_embed.push_back (*a);
 433
 434                         if (mode == Editing::ImportToTrack) {
 435                                 track = get_nth_selected_audio_track (nth++);
 436                         }
 437
 438                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 439                                 goto out;
 440                         }
 441                 }
 442                 break;
 443
 444         case Editing::ImportDistinctChannels:
 445                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 446
 447                         to_embed.clear ();
 448                         to_embed.push_back (*a);
 449
 450                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 451                                 goto out;
 452                         }
 453                 }
 454                 break;
 455
 456         case Editing::ImportMergeFiles:
 457                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 458                         goto out;
 459                 }
 460                 break;
 461
 462         case Editing::ImportSerializeFiles:
 463                 for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 464
 465                         to_embed.clear ();
 466                         to_embed.push_back (*a);
 467
 468                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 469                                 goto out;
 470                         }
 471                 }
 472                 break;
 473         }
 474
 475         ok = true;
 476
 477   out:
 478         if (ok) {
 479                 _session->save_state ("");
 480         }
 481 }
 482
 483 int
 484 Editor::import_sndfiles (vector<ustring> paths, ImportMode mode, SrcQuality quality, nframes64_t& pos,
 485                          int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool replace, uint32_t total)
 486 {
 487         interthread_progress_window->set_title (string_compose (_("Importing %1"), paths.front()));
 488         interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
 489         interthread_progress_bar.set_fraction (0.0f);
 490         interthread_cancel_label.set_text (_("Cancel Import"));
 491         current_interthread_info = &import_status;
 492
 493         import_status.paths = paths;
 494         import_status.done = false;
 495         import_status.cancel = false;
 496         import_status.freeze = false;
 497         import_status.done = 0.0;
 498         import_status.quality = quality;
 499         import_status.replace_existing_source = replace;
 500         import_status.total = total;
 501
 502         import_status.mode = mode;
 503         import_status.pos = pos;
 504         import_status.target_tracks = target_tracks;
 505         import_status.target_regions = target_regions;
 506         import_status.track = track;
 507         import_status.replace = replace;
 508         interthread_progress_connection = Glib::signal_timeout().connect
 509                 (sigc::bind (sigc::mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 500);
 510
 511         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 512         gdk_flush ();
 513
 514         /* start import thread for this spec. this will ultimately call Session::import_audiofiles()
 515            which, if successful, will add the files as regions to the region list. its up to us
 516            (the GUI) to direct additional steps after that.
 517         */
 518
 519         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 520         pthread_detach (import_status.thread);
 521
 522         while (!import_status.done && !import_status.cancel) {
 523                 gtk_main_iteration ();
 524         }
 525
 526         interthread_progress_window->hide ();
 527         import_status.done = true;
 528         interthread_progress_connection.disconnect ();
 529
 530         if (!import_status.cancel && !import_status.sources.empty()) {
 531                 if (add_sources (import_status.paths,
 532                                  import_status.sources,
 533                                  import_status.pos,
 534                                  import_status.mode,
 535                                  import_status.target_regions,
 536                                  import_status.target_tracks,
 537                                  track, false) == 0) {
 538                         _session->save_state ("");
 539                 }
 540
 541                 /* update position from results */
 542
 543                 pos = import_status.pos;
 544         }
 545
 546
 547         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 548         return 0;
 549 }
 550
 551 int
 552 Editor::embed_sndfiles (vector<Glib::ustring> paths, bool multifile,
 553                         bool& check_sample_rate, ImportMode mode, nframes64_t& pos, int target_regions, int target_tracks,
 554                         boost::shared_ptr<Track>& track)
 555 {
 556         boost::shared_ptr<AudioFileSource> source;
 557         SourceList sources;
 558         string linked_path;
 559         SoundFileInfo finfo;
 560         int ret = 0;
 561         Glib::ustring path_to_use;
 562
 563         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 564         gdk_flush ();
 565
 566         for (vector<Glib::ustring>::iterator p = paths.begin(); p != paths.end(); ++p) {
 567
 568                 ustring path = *p;
 569
 570                 if (Config->get_try_link_for_embed()) {
 571
 572                         /* lets see if we can link it into the session */
 573
 574                         sys::path tmp = _session->session_directory().sound_path() / Glib::path_get_basename(path);
 575                         linked_path = tmp.to_string();
 576
 577                         path_to_use = linked_path;
 578
 579                         if (link (path.c_str(), linked_path.c_str()) == 0) {
 580
 581                                 /* there are many reasons why link(2) might have failed.
 582                                    but if it succeeds, we now have a link in the
 583                                    session sound dir that will protect against
 584                                    unlinking of the original path. nice.
 585                                 */
 586
 587                                 path = linked_path;
 588                                 path_to_use = Glib::path_get_basename (path);
 589
 590                         } else {
 591
 592                                 /* one possible reason is that its already linked */
 593
 594                                 if (errno == EEXIST) {
 595                                         struct stat sb;
 596
 597                                         if (stat (linked_path.c_str(), &sb) == 0) {
 598                                                 if (sb.st_nlink > 1) { // its a hard link, assume its the one we want
 599                                                         path = linked_path;
 600                                                         path_to_use = Glib::path_get_basename (path);
 601                                                 }
 602                                         }
 603                                 }
 604                         }
 605                 }
 606
 607                 /* note that we temporarily truncated _id at the colon */
 608
 609                 string error_msg;
 610
 611                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 612                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 613                         goto out;
 614                 }
 615
 616                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 617                         vector<string> choices;
 618
 619                         if (multifile) {
 620                                 choices.push_back (_("Cancel entire import"));
 621                                 choices.push_back (_("Don't embed it"));
 622                                 choices.push_back (_("Embed all without questions"));
 623
 624                                 Gtkmm2ext::Choice rate_choice (
 625                                         _("Sample rate"),
 626                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 627                                                         short_path (path, 40)),
 628                                         choices, false
 629                                         );
 630
 631                                 int resx = rate_choice.run ();
 632
 633                                 switch (resx) {
 634                                 case 0: /* stop a multi-file import */
 635                                         ret = -2;
 636                                         goto out;
 637                                 case 1: /* don't embed this one */
 638                                         ret = -1;
 639                                         goto out;
 640                                 case 2: /* do it, and the rest without asking */
 641                                         check_sample_rate = false;
 642                                         break;
 643                                 case 3: /* do it */
 644                                         break;
 645                                 default:
 646                                         ret = -2;
 647                                         goto out;
 648                                 }
 649                         } else {
 650                                 choices.push_back (_("Cancel"));
 651                                 choices.push_back (_("Embed it anyway"));
 652
 653                                 Gtkmm2ext::Choice rate_choice (
 654                                         _("Sample rate"),
 655                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 656                                         choices, false
 657                                         );
 658
 659                                 int resx = rate_choice.run ();
 660
 661                                 switch (resx) {
 662                                 case 0: /* don't import */
 663                                         ret = -1;
 664                                         goto out;
 665                                 case 1: /* do it */
 666                                         break;
 667                                 default:
 668                                         ret = -2;
 669                                         goto out;
 670                                 }
 671                         }
 672                 }
 673
 674                 track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 675
 676                 for (int n = 0; n < finfo.channels; ++n) {
 677                         try {
 678
 679                                 /* check if we have this thing embedded already */
 680
 681                                 boost::shared_ptr<Source> s;
 682
 683                                 if ((s = _session->source_by_path_and_channel (path, n)) == 0) {
 684
 685                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 686                                                 SourceFactory::createReadable (DataType::AUDIO, *_session,
 687                                                                                path_to_use, n,
 688                                                                                (mode == ImportAsTapeTrack
 689                                                                                 ? Source::Destructive
 690                                                                                 : Source::Flag (0)),
 691                                                                         true, true));
 692                                 } else {
 693                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 694                                 }
 695
 696                                 sources.push_back(source);
 697                         }
 698
 699                         catch (failed_constructor& err) {
 700                                 error << string_compose(_("could not open %1"), path) << endmsg;
 701                                 goto out;
 702                         }
 703
 704                         ARDOUR_UI::instance()->flush_pending ();
 705                 }
 706         }
 707
 708         if (sources.empty()) {
 709                 goto out;
 710         }
 711
 712         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 713
 714   out:
 715         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 716         return ret;
 717 }
 718
 719 int
 720 Editor::add_sources (vector<Glib::ustring> paths, SourceList& sources, nframes64_t& pos, ImportMode mode,
 721                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 722 {
 723         vector<boost::shared_ptr<Region> > regions;
 724         ustring region_name;
 725         uint32_t input_chan = 0;
 726         uint32_t output_chan = 0;
 727         bool use_timestamp;
 728
 729         use_timestamp = (pos == -1);
 730
 731         if (use_timestamp) {
 732                 if (sources[0]->natural_position() != 0) {
 733                         pos = sources[0]->natural_position();
 734                 } else {
 735                         pos = get_preferred_edit_position ();
 736                 }
 737         }
 738
 739         // kludge (for MIDI we're abusing "channel" for "track" here)
 740         if (paths.front().rfind(".mid") != Glib::ustring::npos)
 741                 target_regions = -1;
 742
 743         if (target_regions == 1) {
 744
 745                 /* take all the sources we have and package them up as a region */
 746
 747                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 748
 749                 PropertyList plist;
 750
 751                 plist.add (ARDOUR::Properties::start, 0);
 752                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 753                 plist.add (ARDOUR::Properties::name, region_name);
 754                 plist.add (ARDOUR::Properties::layer, 0);
 755                 plist.add (ARDOUR::Properties::whole_file, true);
 756                 plist.add (ARDOUR::Properties::external, true);
 757
 758                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 759
 760                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 761                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 762                 }
 763
 764                 regions.push_back (r);
 765
 766
 767         } else if (target_regions == -1 || target_regions > 1) {
 768
 769                 /* take each source and create a region for each one */
 770
 771                 SourceList just_one;
 772                 SourceList::iterator x;
 773                 uint32_t n;
 774
 775                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 776
 777                         just_one.clear ();
 778                         just_one.push_back (*x);
 779
 780                         region_name = region_name_from_path ((*x)->path(), false, false, sources.size(), n);
 781
 782                         PropertyList plist;
 783
 784                         plist.add (ARDOUR::Properties::start, 0);
 785                         plist.add (ARDOUR::Properties::length, (*x)->length (pos));
 786                         plist.add (ARDOUR::Properties::name, region_name);
 787                         plist.add (ARDOUR::Properties::layer, 0);
 788                         plist.add (ARDOUR::Properties::whole_file, true);
 789                         plist.add (ARDOUR::Properties::external, true);
 790
 791                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 792
 793                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 794                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 795                         }
 796
 797                         regions.push_back (r);
 798                 }
 799         }
 800
 801         if (target_regions == 1) {
 802                 input_chan = regions.front()->n_channels();
 803         } else {
 804                 if (target_tracks == 1) {
 805                         input_chan = regions.size();
 806                 } else {
 807                         input_chan = 1;
 808                 }
 809         }
 810
 811         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 812                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 813         } else {
 814                 output_chan = input_chan;
 815         }
 816
 817         int n = 0;
 818
 819         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 820
 821                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 822
 823                 if (target_tracks != 1) {
 824                         track.reset ();
 825                 } else {
 826                         pos += (*r)->length();
 827                 }
 828         }
 829
 830         /* setup peak file building in another thread */
 831
 832         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 833                 SourceFactory::setup_peakfile (*x, true);
 834         }
 835
 836         return 0;
 837 }
 838
 839 int
 840 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos,
 841                                   ImportMode mode, boost::shared_ptr<Track>& existing_track)
 842 {
 843         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 844         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 845
 846         switch (mode) {
 847         case ImportAsRegion:
 848                 /* relax, its been done */
 849                 break;
 850
 851         case ImportToTrack:
 852         {
 853                 if (!existing_track) {
 854
 855                         if (ar) {
 856                                 existing_track = get_nth_selected_audio_track (0);
 857                         } else if (mr) {
 858                                 existing_track = get_nth_selected_midi_track (0);
 859                         }
 860
 861                         if (!existing_track) {
 862                                 return -1;
 863                         }
 864                 }
 865
 866                 boost::shared_ptr<Playlist> playlist = existing_track->diskstream()->playlist();
 867                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 868                 begin_reversible_command (_("insert file"));
 869                 playlist->clear_history ();
 870                 playlist->add_region (copy, pos);
 871                 _session->add_command (new StatefulDiffCommand (playlist));
 872                 commit_reversible_command ();
 873                 break;
 874         }
 875
 876         case ImportAsTrack:
 877         {
 878                 if (!existing_track) {
 879                         if (ar) {
 880                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 881
 882                                 if (at.empty()) {
 883                                         return -1;
 884                                 }
 885
 886                                 existing_track = at.front();
 887                         } else if (mr) {
 888                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (Normal, 0, 1));
 889
 890                                 if (mt.empty()) {
 891                                         return -1;
 892                                 }
 893
 894                                 existing_track = mt.front();
 895                         }
 896
 897                         existing_track->set_name (region->name());
 898                 }
 899
 900                 boost::shared_ptr<Region> copy (RegionFactory::create (region));
 901                 existing_track->diskstream()->playlist()->add_region (copy, pos);
 902                 break;
 903         }
 904
 905
 906         case ImportAsTapeTrack:
 907         {
 908                 if (!ar)
 909                         return -1;
 910
 911                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 912                 if (!at.empty()) {
 913                         boost::shared_ptr<Region> copy (RegionFactory::create (region));
 914                         at.front()->set_name (basename_nosuffix (copy->name()));
 915                         at.front()->diskstream()->playlist()->add_region (copy, pos);
 916                 }
 917                 break;
 918         }
 919         }
 920
 921         return 0;
 922 }
 923
 924 void *
 925 Editor::_import_thread (void *arg)
 926 {
 927         SessionEvent::create_per_thread_pool ("import events", 64);
 928
 929         Editor *ed = (Editor *) arg;
 930         return ed->import_thread ();
 931 }
 932
 933 void *
 934 Editor::import_thread ()
 935 {
 936         _session->import_audiofiles (import_status);
 937         pthread_exit_pbd (0);
 938         /*NOTREACHED*/
 939         return 0;
 940 }
 941
 942 gint
 943 Editor::import_progress_timeout (void */*arg*/)
 944 {
 945         bool reset = false;
 946
 947         if (!interthread_progress_window->is_visible()) {
 948                 interthread_progress_window->show_all ();
 949                 reset = true;
 950         }
 951
 952         interthread_progress_label.set_text (import_status.doing_what);
 953
 954         if (import_status.freeze) {
 955                 interthread_cancel_button.set_sensitive(false);
 956         } else {
 957                 interthread_cancel_button.set_sensitive(true);
 958         }
 959
 960         if (import_status.doing_what == "building peak files") {
 961                 interthread_progress_bar.pulse ();
 962                 return FALSE;
 963         } else {
 964                 float val = import_status.progress;
 965                 interthread_progress_bar.set_fraction (min (max (0.0f, val), 1.0f));
 966         }
 967
 968         if (reset) {
 969
 970                 /* the window is now visible, speed up the updates */
 971
 972                 interthread_progress_connection.disconnect ();
 973                 interthread_progress_connection = Glib::signal_timeout().connect
 974                         (sigc::bind (sigc::mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
 975                 return false;
 976         } else {
 977                 return !(import_status.done || import_status.cancel);
 978         }
 979 }
 980