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 "ardour/smf_source.h"
  51 #include "pbd/memento_command.h"
  52
  53 #include "ardour_ui.h"
  54 #include "editor.h"
  55 #include "sfdb_ui.h"
  56 #include "editing.h"
  57 #include "audio_time_axis.h"
  58 #include "midi_time_axis.h"
  59 #include "session_import_dialog.h"
  60 #include "utils.h"
  61 #include "gui_thread.h"
  62 #include "interthread_progress_window.h"
  63
  64 #include "i18n.h"
  65
  66 using namespace std;
  67 using namespace ARDOUR;
  68 using namespace PBD;
  69 using namespace Gtk;
  70 using namespace Gtkmm2ext;
  71 using namespace Editing;
  72 using std::string;
  73
  74 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  75
  76 void
  77 Editor::add_external_audio_action (ImportMode mode_hint)
  78 {
  79         if (_session == 0) {
  80                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  81                 msg.run ();
  82                 return;
  83         }
  84
  85         if (sfbrowser == 0) {
  86                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, 0, true, mode_hint);
  87         } else {
  88                 sfbrowser->set_mode (mode_hint);
  89         }
  90
  91         external_audio_dialog ();
  92 }
  93
  94 void
  95 Editor::external_audio_dialog ()
  96 {
  97         vector<string> paths;
  98         uint32_t track_cnt;
  99
 100         if (_session == 0) {
 101                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
 102                 msg.run ();
 103                 return;
 104         }
 105
 106         track_cnt = 0;
 107
 108         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 109                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 110
 111                 if (!atv) {
 112                         continue;
 113                 } else if (atv->is_audio_track()) {
 114                         track_cnt++;
 115                 }
 116         }
 117
 118         if (sfbrowser == 0) {
 119                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, track_cnt, true);
 120         } else {
 121                 sfbrowser->reset (track_cnt);
 122         }
 123
 124         sfbrowser->show_all ();
 125
 126
 127         bool keepRunning;
 128
 129         do {
 130                 keepRunning = false;
 131
 132                 int response = sfbrowser->run ();
 133
 134                 switch (response) {
 135                         case RESPONSE_APPLY:
 136                                 // leave the dialog open
 137                                 break;
 138
 139                         case RESPONSE_OK:
 140                                 sfbrowser->hide ();
 141                                 break;
 142
 143                         default:
 144                                 // cancel from the browser - we are done
 145                                 sfbrowser->hide ();
 146                                 return;
 147                 }
 148
 149                 /* lets do it */
 150
 151                 vector<string> upaths = sfbrowser->get_paths ();
 152                 for (vector<string>::iterator x = upaths.begin(); x != upaths.end(); ++x) {
 153                         paths.push_back (*x);
 154                 }
 155
 156                 ImportPosition pos = sfbrowser->get_position ();
 157                 ImportMode mode = sfbrowser->get_mode ();
 158                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 159                 nframes64_t where;
 160
 161                 switch (pos) {
 162                         case ImportAtEditPoint:
 163                                 where = get_preferred_edit_position ();
 164                                 break;
 165                         case ImportAtTimestamp:
 166                                 where = -1;
 167                                 break;
 168                         case ImportAtPlayhead:
 169                                 where = playhead_cursor->current_frame;
 170                                 break;
 171                         case ImportAtStart:
 172                                 where = _session->current_start_frame();
 173                                 break;
 174                 }
 175
 176                 SrcQuality quality = sfbrowser->get_src_quality();
 177
 178
 179                 if (sfbrowser->copy_files_btn.get_active()) {
 180                         do_import (paths, chns, mode, quality, where);
 181                 } else {
 182                         do_embed (paths, chns, mode, where);
 183                 }
 184
 185                 if (response == RESPONSE_APPLY) {
 186                         sfbrowser->clear_selection ();
 187                         keepRunning = true;
 188                 }
 189
 190         } while (keepRunning);
 191 }
 192
 193 void
 194 Editor::session_import_dialog ()
 195 {
 196         SessionImportDialog dialog (_session);
 197         ensure_float (dialog);
 198         dialog.run ();
 199 }
 200
 201 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 202
 203 /**
 204  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
 205  *
 206  * all_or_nothing:
 207  *   true  = show "Update", "Import" and "Skip"
 208  *   false = show "Import", and "Cancel"
 209  *
 210  * Returns:
 211  *     0  To update an existing source of the same name
 212  *     1  To import/embed the file normally (make sure the new name will be unique)
 213  *     2  If the user wants to skip this file
 214  **/
 215 int
 216 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 217 {
 218         string wave_name (Glib::path_get_basename(path));
 219
 220         SourceMap all_sources = _session->get_sources();
 221         bool wave_name_exists = false;
 222
 223         for (SourceMap::iterator i = all_sources.begin(); i != all_sources.end(); ++i) {
 224                 string tmp (Glib::path_get_basename (i->second->path()));
 225                 if (tmp == wave_name) {
 226                         wave_name_exists = true;
 227                         break;
 228                 }
 229         }
 230
 231         int function = 1;
 232
 233         if (wave_name_exists) {
 234                 string message;
 235                 if (all_or_nothing) {
 236                         // updating is still disabled
 237                         //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);
 238                         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);
 239                 } else {
 240                         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);
 241
 242                 }
 243                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 244
 245                 if (all_or_nothing) {
 246                         // disabled
 247                         //dialog.add_button("Update", 0);
 248                         dialog.add_button("Import", 1);
 249                         dialog.add_button("Skip",   2);
 250                 } else {
 251                         dialog.add_button("Import", 1);
 252                         dialog.add_button("Cancel", 2);
 253                 }
 254
 255                 //dialog.add_button("Skip all", 4); // All or rest?
 256
 257                 dialog.show();
 258
 259                 function = dialog.run ();
 260
 261                 dialog.hide();
 262         }
 263
 264         return function;
 265 }
 266
 267 boost::shared_ptr<AudioTrack>
 268 Editor::get_nth_selected_audio_track (int nth) const
 269 {
 270         AudioTimeAxisView* atv;
 271         TrackSelection::iterator x;
 272
 273         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 274
 275                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 276
 277                 if (!atv) {
 278                         continue;
 279                 } else if (atv->is_audio_track()) {
 280                         --nth;
 281                 }
 282         }
 283
 284         if (x == selection->tracks.end()) {
 285                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 286         } else {
 287                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 288         }
 289
 290         if (!atv || !atv->is_audio_track()) {
 291                 return boost::shared_ptr<AudioTrack>();
 292         }
 293
 294         return atv->audio_track();
 295 }
 296
 297 boost::shared_ptr<MidiTrack>
 298 Editor::get_nth_selected_midi_track (int nth) const
 299 {
 300         MidiTimeAxisView* mtv;
 301         TrackSelection::iterator x;
 302
 303         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 304
 305                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 306
 307                 if (!mtv) {
 308                         continue;
 309                 } else if (mtv->is_midi_track()) {
 310                         --nth;
 311                 }
 312         }
 313
 314         if (x == selection->tracks.end()) {
 315                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 316         } else {
 317                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 318         }
 319
 320         if (!mtv || !mtv->is_midi_track()) {
 321                 return boost::shared_ptr<MidiTrack>();
 322         }
 323
 324         return mtv->midi_track();
 325 }
 326
 327 void
 328 Editor::do_import (vector<string> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 329 {
 330         boost::shared_ptr<Track> track;
 331         vector<string> to_import;
 332         int nth = 0;
 333         bool use_timestamp = (pos == -1);
 334
 335         current_interthread_info = &import_status;
 336         import_status.current = 1;
 337         import_status.total = paths.size ();
 338
 339         ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
 340
 341         if (chns == Editing::ImportMergeFiles) {
 342
 343                 /* create 1 region from all paths, add to 1 track,
 344                    ignore "track"
 345                 */
 346
 347                 bool cancel = false;
 348                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 349                         int check = check_whether_and_how_to_import(*a, false);
 350                         if (check == 2) {
 351                                 cancel = true;
 352                                 break;
 353                         }
 354                 }
 355
 356                 if (!cancel) {
 357                         import_sndfiles (paths, mode, quality, pos, 1, 1, track, false);
 358                 }
 359
 360         } else {
 361
 362                 bool replace = false;
 363                 bool ok = true;
 364
 365                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 366
 367                         const int check = check_whether_and_how_to_import (*a, true);
 368
 369                         switch (check) {
 370                         case 2:
 371                                 // user said skip
 372                                 continue;
 373                         case 0:
 374                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 375                                 /* NOTREACHED*/
 376                                 break;
 377                         case 1:
 378                                 replace = false;
 379                                 break;
 380                         default:
 381                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 382                                 /* NOTREACHED*/
 383                         }
 384
 385                         /* have to reset this for every file we handle */
 386
 387                         if (use_timestamp) {
 388                                 pos = -1;
 389                         }
 390
 391                         switch (chns) {
 392                         case Editing::ImportDistinctFiles:
 393
 394                                 to_import.clear ();
 395                                 to_import.push_back (*a);
 396
 397                                 if (mode == Editing::ImportToTrack) {
 398                                         track = get_nth_selected_audio_track (nth++);
 399                                 }
 400
 401                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace) == 0);
 402                                 break;
 403
 404                         case Editing::ImportDistinctChannels:
 405
 406                                 to_import.clear ();
 407                                 to_import.push_back (*a);
 408
 409                                 ok = (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, replace) == 0);
 410                                 break;
 411
 412                         case Editing::ImportSerializeFiles:
 413
 414                                 to_import.clear ();
 415                                 to_import.push_back (*a);
 416
 417                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace) == 0);
 418                                 break;
 419
 420                         case Editing::ImportMergeFiles:
 421                                 // Not entered, handled in earlier if() branch
 422                                 break;
 423                         }
 424                 }
 425         }
 426 }
 427
 428 void
 429 Editor::do_embed (vector<string> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 430 {
 431         boost::shared_ptr<Track> track;
 432         bool check_sample_rate = true;
 433         bool ok = false;
 434         vector<string> to_embed;
 435         bool multi = paths.size() > 1;
 436         int nth = 0;
 437
 438         switch (chns) {
 439         case Editing::ImportDistinctFiles:
 440                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 441
 442                         to_embed.clear ();
 443                         to_embed.push_back (*a);
 444
 445                         if (mode == Editing::ImportToTrack) {
 446                                 track = get_nth_selected_audio_track (nth++);
 447                         }
 448
 449                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 450                                 goto out;
 451                         }
 452                 }
 453                 break;
 454
 455         case Editing::ImportDistinctChannels:
 456                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 457
 458                         to_embed.clear ();
 459                         to_embed.push_back (*a);
 460
 461                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 462                                 goto out;
 463                         }
 464                 }
 465                 break;
 466
 467         case Editing::ImportMergeFiles:
 468                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 469                         goto out;
 470                 }
 471                 break;
 472
 473         case Editing::ImportSerializeFiles:
 474                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 475
 476                         to_embed.clear ();
 477                         to_embed.push_back (*a);
 478
 479                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 480                                 goto out;
 481                         }
 482                 }
 483                 break;
 484         }
 485
 486         ok = true;
 487
 488   out:
 489         if (ok) {
 490                 _session->save_state ("");
 491         }
 492 }
 493
 494 int
 495 Editor::import_sndfiles (vector<string> paths, ImportMode mode, SrcQuality quality, nframes64_t& pos,
 496                          int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool replace)
 497 {
 498         import_status.paths = paths;
 499         import_status.done = false;
 500         import_status.cancel = false;
 501         import_status.freeze = false;
 502         import_status.done = 0.0;
 503         import_status.quality = quality;
 504         import_status.replace_existing_source = replace;
 505
 506         import_status.mode = mode;
 507         import_status.pos = pos;
 508         import_status.target_tracks = target_tracks;
 509         import_status.target_regions = target_regions;
 510         import_status.track = track;
 511         import_status.replace = replace;
 512
 513         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 514         gdk_flush ();
 515
 516         /* start import thread for this spec. this will ultimately call Session::import_audiofiles()
 517            which, if successful, will add the files as regions to the region list. its up to us
 518            (the GUI) to direct additional steps after that.
 519         */
 520
 521         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 522         pthread_detach (import_status.thread);
 523
 524         while (!import_status.done && !import_status.cancel) {
 525                 gtk_main_iteration ();
 526         }
 527
 528         import_status.done = true;
 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<string> 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         string path_to_use;
 562
 563         track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 564         gdk_flush ();
 565
 566         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
 567
 568                 string 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<string> 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         string 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         // kludge (for MIDI we're abusing "channel" for "track" here)
 732         if (SMFSource::safe_midi_file_extension (paths.front())) {
 733                 target_regions = -1;
 734         }
 735
 736         if (target_regions == 1) {
 737
 738                 /* take all the sources we have and package them up as a region */
 739
 740                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 741
 742                 PropertyList plist;
 743
 744                 plist.add (ARDOUR::Properties::start, 0);
 745                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 746                 plist.add (ARDOUR::Properties::name, region_name);
 747                 plist.add (ARDOUR::Properties::layer, 0);
 748                 plist.add (ARDOUR::Properties::whole_file, true);
 749                 plist.add (ARDOUR::Properties::external, true);
 750
 751                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 752
 753                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 754                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 755                 }
 756
 757                 regions.push_back (r);
 758
 759
 760         } else if (target_regions == -1 || target_regions > 1) {
 761
 762                 /* take each source and create a region for each one */
 763
 764                 SourceList just_one;
 765                 SourceList::iterator x;
 766                 uint32_t n;
 767
 768                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 769
 770                         just_one.clear ();
 771                         just_one.push_back (*x);
 772
 773                         region_name = region_name_from_path ((*x)->path(), false, false, sources.size(), n);
 774
 775                         PropertyList plist;
 776
 777                         plist.add (ARDOUR::Properties::start, 0);
 778                         plist.add (ARDOUR::Properties::length, (*x)->length (pos));
 779                         plist.add (ARDOUR::Properties::name, region_name);
 780                         plist.add (ARDOUR::Properties::layer, 0);
 781                         plist.add (ARDOUR::Properties::whole_file, true);
 782                         plist.add (ARDOUR::Properties::external, true);
 783
 784                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 785
 786                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 787                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 788                         }
 789
 790                         regions.push_back (r);
 791                 }
 792         }
 793
 794         if (target_regions == 1) {
 795                 input_chan = regions.front()->n_channels();
 796         } else {
 797                 if (target_tracks == 1) {
 798                         input_chan = regions.size();
 799                 } else {
 800                         input_chan = 1;
 801                 }
 802         }
 803
 804         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 805                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 806         } else {
 807                 output_chan = input_chan;
 808         }
 809
 810         int n = 0;
 811         framepos_t rlen = 0;
 812
 813         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 814
 815                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 816
 817                 if (use_timestamp && ar) {
 818
 819                         cerr << "Using timestamp to place region " << (*r)->name() << endl;
 820
 821                         /* get timestamp for this region */
 822
 823                         const boost::shared_ptr<Source> s (ar->sources().front());
 824                         const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 825
 826                         assert (as);
 827
 828                         if (as->natural_position() != 0) {
 829                                 pos = as->natural_position();
 830                                 cerr << "\tgot " << pos << " from source TC info\n";
 831                         } else if (target_tracks == 1) {
 832                                 /* hmm, no timestamp available, put it after the previous region
 833                                  */
 834                                 if (n == 0) {
 835                                         pos = get_preferred_edit_position ();
 836                                         cerr << "\tno timestamp, first file, use edit pos = " << pos << endl;
 837                                 } else {
 838                                         pos += rlen;
 839                                         cerr << "\tpacked-sequence-shuffle to " << pos << endl;
 840                                 }
 841                         } else {
 842                                 pos = get_preferred_edit_position ();
 843                                 cerr << "\tmultitracks, using edit position = " << pos << endl;
 844                         }
 845
 846                 }
 847
 848                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 849
 850                 rlen = (*r)->length();
 851
 852                 if (target_tracks != 1) {
 853                         track.reset ();
 854                 } else {
 855                         if (!use_timestamp || !ar) {
 856                                 /* line each one up right after the other */
 857                                 pos += (*r)->length();
 858                         }
 859                 }
 860         }
 861
 862         /* setup peak file building in another thread */
 863
 864         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 865                 SourceFactory::setup_peakfile (*x, true);
 866         }
 867
 868         return 0;
 869 }
 870
 871 int
 872 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos,
 873                                   ImportMode mode, boost::shared_ptr<Track>& existing_track)
 874 {
 875         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 876         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 877
 878         switch (mode) {
 879         case ImportAsRegion:
 880                 /* relax, its been done */
 881                 break;
 882
 883         case ImportToTrack:
 884         {
 885                 if (!existing_track) {
 886
 887                         if (ar) {
 888                                 existing_track = get_nth_selected_audio_track (0);
 889                         } else if (mr) {
 890                                 existing_track = get_nth_selected_midi_track (0);
 891                         }
 892
 893                         if (!existing_track) {
 894                                 return -1;
 895                         }
 896                 }
 897
 898                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 899                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 900                 begin_reversible_command (_("insert file"));
 901                 playlist->clear_changes ();
 902                 playlist->add_region (copy, pos);
 903                 _session->add_command (new StatefulDiffCommand (playlist));
 904                 commit_reversible_command ();
 905                 break;
 906         }
 907
 908         case ImportAsTrack:
 909         {
 910                 if (!existing_track) {
 911                         if (ar) {
 912                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 913
 914                                 if (at.empty()) {
 915                                         return -1;
 916                                 }
 917
 918                                 existing_track = at.front();
 919                         } else if (mr) {
 920                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (Normal, 0, 1));
 921
 922                                 if (mt.empty()) {
 923                                         return -1;
 924                                 }
 925
 926                                 existing_track = mt.front();
 927                         }
 928
 929                         existing_track->set_name (region->name());
 930                 }
 931
 932                 boost::shared_ptr<Region> copy (RegionFactory::create (region));
 933                 existing_track->playlist()->add_region (copy, pos);
 934                 break;
 935         }
 936
 937
 938         case ImportAsTapeTrack:
 939         {
 940                 if (!ar)
 941                         return -1;
 942
 943                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 944                 if (!at.empty()) {
 945                         boost::shared_ptr<Region> copy (RegionFactory::create (region));
 946                         at.front()->set_name (basename_nosuffix (copy->name()));
 947                         at.front()->playlist()->add_region (copy, pos);
 948                 }
 949                 break;
 950         }
 951         }
 952
 953         return 0;
 954 }
 955
 956 void *
 957 Editor::_import_thread (void *arg)
 958 {
 959         SessionEvent::create_per_thread_pool ("import events", 64);
 960
 961         Editor *ed = (Editor *) arg;
 962         return ed->import_thread ();
 963 }
 964
 965 void *
 966 Editor::import_thread ()
 967 {
 968         _session->import_audiofiles (import_status);
 969         pthread_exit_pbd (0);
 970         /*NOTREACHED*/
 971         return 0;
 972 }