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 "ardour/operations.h"
  52 #include "pbd/memento_command.h"
  53
  54 #include "ardour_ui.h"
  55 #include "editor.h"
  56 #include "sfdb_ui.h"
  57 #include "editing.h"
  58 #include "audio_time_axis.h"
  59 #include "midi_time_axis.h"
  60 #include "session_import_dialog.h"
  61 #include "utils.h"
  62 #include "gui_thread.h"
  63 #include "interthread_progress_window.h"
  64 #include "mouse_cursors.h"
  65 #include "editor_cursors.h"
  66
  67 #include "i18n.h"
  68
  69 using namespace std;
  70 using namespace ARDOUR;
  71 using namespace PBD;
  72 using namespace Gtk;
  73 using namespace Gtkmm2ext;
  74 using namespace Editing;
  75 using std::string;
  76
  77 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  78
  79 void
  80 Editor::add_external_audio_action (ImportMode mode_hint)
  81 {
  82         if (_session == 0) {
  83                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  84                 msg.run ();
  85                 return;
  86         }
  87
  88         if (sfbrowser == 0) {
  89                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, 0, true, mode_hint);
  90         } else {
  91                 sfbrowser->set_mode (mode_hint);
  92         }
  93
  94         external_audio_dialog ();
  95 }
  96
  97 void
  98 Editor::external_audio_dialog ()
  99 {
 100         vector<string> paths;
 101         uint32_t track_cnt;
 102
 103         if (_session == 0) {
 104                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
 105                 msg.run ();
 106                 return;
 107         }
 108
 109         track_cnt = 0;
 110
 111         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 112                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 113
 114                 if (!atv) {
 115                         continue;
 116                 } else if (atv->is_audio_track()) {
 117                         track_cnt++;
 118                 }
 119         }
 120
 121         if (sfbrowser == 0) {
 122                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, track_cnt, true);
 123         } else {
 124                 sfbrowser->reset (track_cnt);
 125         }
 126
 127         sfbrowser->show_all ();
 128
 129
 130         bool keepRunning;
 131
 132         do {
 133                 keepRunning = false;
 134
 135                 int response = sfbrowser->run ();
 136
 137                 switch (response) {
 138                         case RESPONSE_APPLY:
 139                                 // leave the dialog open
 140                                 break;
 141
 142                         case RESPONSE_OK:
 143                                 sfbrowser->hide ();
 144                                 break;
 145
 146                         default:
 147                                 // cancel from the browser - we are done
 148                                 sfbrowser->hide ();
 149                                 return;
 150                 }
 151
 152                 /* lets do it */
 153
 154                 vector<string> upaths = sfbrowser->get_paths ();
 155                 for (vector<string>::iterator x = upaths.begin(); x != upaths.end(); ++x) {
 156                         paths.push_back (*x);
 157                 }
 158
 159                 ImportPosition pos = sfbrowser->get_position ();
 160                 ImportMode mode = sfbrowser->get_mode ();
 161                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 162                 framepos_t where;
 163
 164                 switch (pos) {
 165                         case ImportAtEditPoint:
 166                                 where = get_preferred_edit_position ();
 167                                 break;
 168                         case ImportAtTimestamp:
 169                                 where = -1;
 170                                 break;
 171                         case ImportAtPlayhead:
 172                                 where = playhead_cursor->current_frame;
 173                                 break;
 174                         case ImportAtStart:
 175                                 where = _session->current_start_frame();
 176                                 break;
 177                 }
 178
 179                 SrcQuality quality = sfbrowser->get_src_quality();
 180
 181
 182                 if (sfbrowser->copy_files_btn.get_active()) {
 183                         do_import (paths, chns, mode, quality, where);
 184                 } else {
 185                         do_embed (paths, chns, mode, where);
 186                 }
 187
 188                 if (response == RESPONSE_APPLY) {
 189                         sfbrowser->clear_selection ();
 190                         keepRunning = true;
 191                 }
 192
 193         } while (keepRunning);
 194 }
 195
 196 void
 197 Editor::session_import_dialog ()
 198 {
 199         SessionImportDialog dialog (_session);
 200         ensure_float (dialog);
 201         dialog.run ();
 202 }
 203
 204 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 205
 206 /**
 207  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
 208  *
 209  * all_or_nothing:
 210  *   true  = show "Update", "Import" and "Skip"
 211  *   false = show "Import", and "Cancel"
 212  *
 213  * Returns:
 214  *     0  To update an existing source of the same name
 215  *     1  To import/embed the file normally (make sure the new name will be unique)
 216  *     2  If the user wants to skip this file
 217  **/
 218 int
 219 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 220 {
 221         string wave_name (Glib::path_get_basename(path));
 222
 223         SourceMap all_sources = _session->get_sources();
 224         bool already_exists = false;
 225         uint32_t existing;
 226
 227         if ((existing = _session->count_sources_by_origin (path)) > 0) {
 228                 already_exists = true;
 229         }
 230
 231         int function = 1;
 232
 233         if (already_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, framepos_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         import_status.all_done = false;
 339
 340         ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
 341
 342         bool ok = true;
 343
 344         if (chns == Editing::ImportMergeFiles) {
 345
 346                 /* create 1 region from all paths, add to 1 track,
 347                    ignore "track"
 348                 */
 349
 350                 bool cancel = false;
 351                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 352                         int check = check_whether_and_how_to_import(*a, false);
 353                         if (check == 2) {
 354                                 cancel = true;
 355                                 break;
 356                         }
 357                 }
 358
 359                 if (cancel) {
 360                         ok = false;
 361                 } else {
 362                         ipw.show ();
 363                         ok = (import_sndfiles (paths, mode, quality, pos, 1, 1, track, false) == 0);
 364                 }
 365
 366         } else {
 367
 368                 bool replace = false;
 369
 370                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 371
 372                         const int check = check_whether_and_how_to_import (*a, true);
 373
 374                         switch (check) {
 375                         case 2:
 376                                 // user said skip
 377                                 continue;
 378                         case 0:
 379                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 380                                 /* NOTREACHED*/
 381                                 break;
 382                         case 1:
 383                                 replace = false;
 384                                 break;
 385                         default:
 386                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 387                                 /* NOTREACHED*/
 388                         }
 389
 390                         /* have to reset this for every file we handle */
 391
 392                         if (use_timestamp) {
 393                                 pos = -1;
 394                         }
 395
 396                         ipw.show ();
 397
 398                         switch (chns) {
 399                         case Editing::ImportDistinctFiles:
 400
 401                                 to_import.clear ();
 402                                 to_import.push_back (*a);
 403
 404                                 if (mode == Editing::ImportToTrack) {
 405                                         track = get_nth_selected_audio_track (nth++);
 406                                 }
 407
 408                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace) == 0);
 409                                 break;
 410
 411                         case Editing::ImportDistinctChannels:
 412
 413                                 to_import.clear ();
 414                                 to_import.push_back (*a);
 415
 416                                 ok = (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, replace) == 0);
 417                                 break;
 418
 419                         case Editing::ImportSerializeFiles:
 420
 421                                 to_import.clear ();
 422                                 to_import.push_back (*a);
 423
 424                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace) == 0);
 425                                 break;
 426
 427                         case Editing::ImportMergeFiles:
 428                                 // Not entered, handled in earlier if() branch
 429                                 break;
 430                         }
 431                 }
 432         }
 433
 434         if (ok) {
 435                 _session->save_state ("");
 436         }
 437
 438         import_status.all_done = true;
 439 }
 440
 441 void
 442 Editor::do_embed (vector<string> paths, ImportDisposition chns, ImportMode mode, framepos_t& pos)
 443 {
 444         boost::shared_ptr<Track> track;
 445         bool check_sample_rate = true;
 446         bool ok = false;
 447         vector<string> to_embed;
 448         bool multi = paths.size() > 1;
 449         int nth = 0;
 450
 451         switch (chns) {
 452         case Editing::ImportDistinctFiles:
 453                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 454
 455                         to_embed.clear ();
 456                         to_embed.push_back (*a);
 457
 458                         if (mode == Editing::ImportToTrack) {
 459                                 track = get_nth_selected_audio_track (nth++);
 460                         }
 461
 462                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 463                                 goto out;
 464                         }
 465                 }
 466                 break;
 467
 468         case Editing::ImportDistinctChannels:
 469                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 470
 471                         to_embed.clear ();
 472                         to_embed.push_back (*a);
 473
 474                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 475                                 goto out;
 476                         }
 477                 }
 478                 break;
 479
 480         case Editing::ImportMergeFiles:
 481                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 482                         goto out;
 483                 }
 484                 break;
 485
 486         case Editing::ImportSerializeFiles:
 487                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 488
 489                         to_embed.clear ();
 490                         to_embed.push_back (*a);
 491
 492                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 493                                 goto out;
 494                         }
 495                 }
 496                 break;
 497         }
 498
 499         ok = true;
 500
 501   out:
 502         if (ok) {
 503                 _session->save_state ("");
 504         }
 505 }
 506
 507 int
 508 Editor::import_sndfiles (vector<string> paths, ImportMode mode, SrcQuality quality, framepos_t& pos,
 509                          int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool replace)
 510 {
 511         import_status.paths = paths;
 512         import_status.done = false;
 513         import_status.cancel = false;
 514         import_status.freeze = false;
 515         import_status.quality = quality;
 516         import_status.replace_existing_source = replace;
 517
 518         import_status.mode = mode;
 519         import_status.pos = pos;
 520         import_status.target_tracks = target_tracks;
 521         import_status.target_regions = target_regions;
 522         import_status.track = track;
 523         import_status.replace = replace;
 524
 525         set_canvas_cursor (_cursors->wait);
 526         gdk_flush ();
 527
 528         /* start import thread for this spec. this will ultimately call Session::import_audiofiles()
 529            which, if successful, will add the files as regions to the region list. its up to us
 530            (the GUI) to direct additional steps after that.
 531         */
 532
 533         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 534         pthread_detach (import_status.thread);
 535
 536         while (!import_status.done && !import_status.cancel) {
 537                 gtk_main_iteration ();
 538         }
 539
 540         import_status.done = true;
 541
 542         int result = -1;
 543
 544         if (!import_status.cancel && !import_status.sources.empty()) {
 545                 result = add_sources (
 546                         import_status.paths,
 547                         import_status.sources,
 548                         import_status.pos,
 549                         import_status.mode,
 550                         import_status.target_regions,
 551                         import_status.target_tracks,
 552                         track, false
 553                         );
 554
 555                 /* update position from results */
 556
 557                 pos = import_status.pos;
 558         }
 559
 560         set_canvas_cursor (current_canvas_cursor);
 561         return result;
 562 }
 563
 564 int
 565 Editor::embed_sndfiles (vector<string> paths, bool multifile,
 566                         bool& check_sample_rate, ImportMode mode, framepos_t& pos, int target_regions, int target_tracks,
 567                         boost::shared_ptr<Track>& track)
 568 {
 569         boost::shared_ptr<AudioFileSource> source;
 570         SourceList sources;
 571         string linked_path;
 572         SoundFileInfo finfo;
 573         int ret = 0;
 574
 575         set_canvas_cursor (_cursors->wait);
 576         gdk_flush ();
 577
 578         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
 579
 580                 string path = *p;
 581                 string error_msg;
 582
 583                 /* note that we temporarily truncated _id at the colon */
 584
 585                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 586                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 587                         goto out;
 588                 }
 589
 590                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 591                         vector<string> choices;
 592
 593                         if (multifile) {
 594                                 choices.push_back (_("Cancel entire import"));
 595                                 choices.push_back (_("Don't embed it"));
 596                                 choices.push_back (_("Embed all without questions"));
 597
 598                                 Gtkmm2ext::Choice rate_choice (
 599                                         _("Sample rate"),
 600                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 601                                                         short_path (path, 40)),
 602                                         choices, false
 603                                         );
 604
 605                                 int resx = rate_choice.run ();
 606
 607                                 switch (resx) {
 608                                 case 0: /* stop a multi-file import */
 609                                         ret = -2;
 610                                         goto out;
 611                                 case 1: /* don't embed this one */
 612                                         ret = -1;
 613                                         goto out;
 614                                 case 2: /* do it, and the rest without asking */
 615                                         check_sample_rate = false;
 616                                         break;
 617                                 case 3: /* do it */
 618                                         break;
 619                                 default:
 620                                         ret = -2;
 621                                         goto out;
 622                                 }
 623                         } else {
 624                                 choices.push_back (_("Cancel"));
 625                                 choices.push_back (_("Embed it anyway"));
 626
 627                                 Gtkmm2ext::Choice rate_choice (
 628                                         _("Sample rate"),
 629                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 630                                         choices, false
 631                                         );
 632
 633                                 int resx = rate_choice.run ();
 634
 635                                 switch (resx) {
 636                                 case 0: /* don't import */
 637                                         ret = -1;
 638                                         goto out;
 639                                 case 1: /* do it */
 640                                         break;
 641                                 default:
 642                                         ret = -2;
 643                                         goto out;
 644                                 }
 645                         }
 646                 }
 647
 648                 set_canvas_cursor (_cursors->wait);
 649
 650                 for (int n = 0; n < finfo.channels; ++n) {
 651                         try {
 652
 653                                 /* check if we have this thing embedded already */
 654
 655                                 boost::shared_ptr<Source> s;
 656
 657                                 if ((s = _session->source_by_path_and_channel (path, n)) == 0) {
 658
 659                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 660                                                 SourceFactory::createReadable (DataType::AUDIO, *_session,
 661                                                                                path, n,
 662                                                                                (mode == ImportAsTapeTrack
 663                                                                                 ? Source::Destructive
 664                                                                                 : Source::Flag (0)),
 665                                                                         true, true));
 666                                 } else {
 667                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 668                                 }
 669
 670                                 sources.push_back(source);
 671                         }
 672
 673                         catch (failed_constructor& err) {
 674                                 error << string_compose(_("could not open %1"), path) << endmsg;
 675                                 goto out;
 676                         }
 677
 678                         ARDOUR_UI::instance()->flush_pending ();
 679                 }
 680         }
 681
 682         if (sources.empty()) {
 683                 goto out;
 684         }
 685
 686         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 687
 688   out:
 689         set_canvas_cursor (current_canvas_cursor);
 690         return ret;
 691 }
 692
 693 int
 694 Editor::add_sources (vector<string> paths, SourceList& sources, framepos_t& pos, ImportMode mode,
 695                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 696 {
 697         vector<boost::shared_ptr<Region> > regions;
 698         string region_name;
 699         uint32_t input_chan = 0;
 700         uint32_t output_chan = 0;
 701         bool use_timestamp;
 702
 703         use_timestamp = (pos == -1);
 704
 705         // kludge (for MIDI we're abusing "channel" for "track" here)
 706         if (SMFSource::safe_midi_file_extension (paths.front())) {
 707                 target_regions = -1;
 708         }
 709
 710         if (target_regions == 1) {
 711
 712                 /* take all the sources we have and package them up as a region */
 713
 714                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 715
 716                 /* we checked in import_sndfiles() that there were not too many */
 717
 718                 while (RegionFactory::region_by_name (region_name)) {
 719                         region_name = bump_name_once (region_name, '.');
 720                 }
 721
 722                 PropertyList plist;
 723
 724                 plist.add (ARDOUR::Properties::start, 0);
 725                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 726                 plist.add (ARDOUR::Properties::name, region_name);
 727                 plist.add (ARDOUR::Properties::layer, 0);
 728                 plist.add (ARDOUR::Properties::whole_file, true);
 729                 plist.add (ARDOUR::Properties::external, true);
 730
 731                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 732
 733                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 734                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 735                 }
 736
 737                 regions.push_back (r);
 738
 739
 740         } else if (target_regions == -1 || target_regions > 1) {
 741
 742                 /* take each source and create a region for each one */
 743
 744                 SourceList just_one;
 745                 SourceList::iterator x;
 746                 uint32_t n;
 747
 748                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 749
 750                         just_one.clear ();
 751                         just_one.push_back (*x);
 752
 753                         boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (*x);
 754
 755                         if (fs) {
 756                                 region_name = region_name_from_path (fs->path(), false, false, sources.size(), n);
 757                         } else{
 758                                 region_name = (*x)->name();
 759                         }
 760
 761                         PropertyList plist;
 762
 763                         /* Fudge region length to ensure it is non-zero */
 764                         framecnt_t len = (*x)->length (pos);
 765                         if (len == 0) {
 766                                 len = 1;
 767                         }
 768
 769                         plist.add (ARDOUR::Properties::start, 0);
 770                         plist.add (ARDOUR::Properties::length, len);
 771                         plist.add (ARDOUR::Properties::name, region_name);
 772                         plist.add (ARDOUR::Properties::layer, 0);
 773                         plist.add (ARDOUR::Properties::whole_file, true);
 774                         plist.add (ARDOUR::Properties::external, true);
 775
 776                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 777
 778                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 779                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 780                         }
 781
 782                         regions.push_back (r);
 783                 }
 784         }
 785
 786         if (target_regions == 1) {
 787                 input_chan = regions.front()->n_channels();
 788         } else {
 789                 if (target_tracks == 1) {
 790                         input_chan = regions.size();
 791                 } else {
 792                         input_chan = 1;
 793                 }
 794         }
 795
 796         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 797                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 798         } else {
 799                 output_chan = input_chan;
 800         }
 801
 802         int n = 0;
 803         framepos_t rlen = 0;
 804
 805         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 806                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 807
 808                 if (use_timestamp) {
 809                         if (ar) {
 810
 811                                 /* get timestamp for this region */
 812
 813                                 const boost::shared_ptr<Source> s (ar->sources().front());
 814                                 const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 815
 816                                 assert (as);
 817
 818                                 if (as->natural_position() != 0) {
 819                                         pos = as->natural_position();
 820                                 } else if (target_tracks == 1) {
 821                                         /* hmm, no timestamp available, put it after the previous region
 822                                          */
 823                                         if (n == 0) {
 824                                                 pos = get_preferred_edit_position ();
 825                                         } else {
 826                                                 pos += rlen;
 827                                         }
 828                                 } else {
 829                                         pos = get_preferred_edit_position ();
 830                                 }
 831                         } else {
 832                                 /* should really get first position in MIDI file, but for now, use edit position*/
 833                                 pos = get_preferred_edit_position ();
 834                         }
 835                 }
 836
 837
 838                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 839
 840                 rlen = (*r)->length();
 841
 842                 if (target_tracks != 1) {
 843                         track.reset ();
 844                 } else {
 845                         if (!use_timestamp || !ar) {
 846                                 /* line each one up right after the other */
 847                                 pos += (*r)->length();
 848                         }
 849                 }
 850         }
 851
 852         /* setup peak file building in another thread */
 853
 854         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 855                 SourceFactory::setup_peakfile (*x, true);
 856         }
 857
 858         return 0;
 859 }
 860
 861 int
 862 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, framepos_t& pos,
 863                                   ImportMode mode, boost::shared_ptr<Track>& existing_track)
 864 {
 865         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 866         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 867
 868         switch (mode) {
 869         case ImportAsRegion:
 870                 /* relax, its been done */
 871                 break;
 872
 873         case ImportToTrack:
 874         {
 875                 if (!existing_track) {
 876
 877                         if (ar) {
 878                                 existing_track = get_nth_selected_audio_track (0);
 879                         } else if (mr) {
 880                                 existing_track = get_nth_selected_midi_track (0);
 881                         }
 882
 883                         if (!existing_track) {
 884                                 return -1;
 885                         }
 886                 }
 887
 888                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 889                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 890                 begin_reversible_command (Operations::insert_file);
 891                 playlist->clear_changes ();
 892                 playlist->add_region (copy, pos);
 893                 _session->add_command (new StatefulDiffCommand (playlist));
 894                 commit_reversible_command ();
 895                 break;
 896         }
 897
 898         case ImportAsTrack:
 899         {
 900                 if (!existing_track) {
 901                         if (ar) {
 902                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 903
 904                                 if (at.empty()) {
 905                                         return -1;
 906                                 }
 907
 908                                 existing_track = at.front();
 909                         } else if (mr) {
 910                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (Normal, 0, 1));
 911
 912                                 if (mt.empty()) {
 913                                         return -1;
 914                                 }
 915
 916                                 existing_track = mt.front();
 917                         }
 918
 919                         existing_track->set_name (region->name());
 920                 }
 921
 922                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 923                 boost::shared_ptr<Region> copy (RegionFactory::create (region));
 924                 begin_reversible_command (Operations::insert_file);
 925                 playlist->clear_changes ();
 926                 playlist->add_region (copy, pos);
 927                 _session->add_command (new StatefulDiffCommand (playlist));
 928                 commit_reversible_command ();
 929                 break;
 930         }
 931
 932         case ImportAsTapeTrack:
 933         {
 934                 if (!ar) {
 935                         return -1;
 936                 }
 937
 938                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 939                 if (!at.empty()) {
 940                         boost::shared_ptr<Playlist> playlist = at.front()->playlist();
 941                         boost::shared_ptr<Region> copy (RegionFactory::create (region));
 942                         begin_reversible_command (Operations::insert_file);
 943                         playlist->clear_changes ();
 944                         playlist->add_region (copy, pos);
 945                         _session->add_command (new StatefulDiffCommand (playlist));
 946                         commit_reversible_command ();
 947                 }
 948                 break;
 949         }
 950         }
 951
 952         return 0;
 953 }
 954
 955 void *
 956 Editor::_import_thread (void *arg)
 957 {
 958         SessionEvent::create_per_thread_pool ("import events", 64);
 959
 960         Editor *ed = (Editor *) arg;
 961         return ed->import_thread ();
 962 }
 963
 964 void *
 965 Editor::import_thread ()
 966 {
 967         _session->import_audiofiles (import_status);
 968         pthread_exit_pbd (0);
 969         /*NOTREACHED*/
 970         return 0;
 971 }