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/audio_track.h"
  37 #include "ardour/audiofilesource.h"
  38 #include "ardour/audioregion.h"
  39 #include "ardour/midi_region.h"
  40 #include "ardour/midi_track.h"
  41 #include "ardour/operations.h"
  42 #include "ardour/region_factory.h"
  43 #include "ardour/smf_source.h"
  44 #include "ardour/source_factory.h"
  45 #include "ardour/utils.h"
  46 #include "pbd/memento_command.h"
  47
  48 #include "ardour_ui.h"
  49 #include "editor.h"
  50 #include "sfdb_ui.h"
  51 #include "editing.h"
  52 #include "audio_time_axis.h"
  53 #include "midi_time_axis.h"
  54 #include "session_import_dialog.h"
  55 #include "utils.h"
  56 #include "gui_thread.h"
  57 #include "interthread_progress_window.h"
  58 #include "mouse_cursors.h"
  59 #include "editor_cursors.h"
  60
  61 #include "i18n.h"
  62
  63 using namespace std;
  64 using namespace ARDOUR;
  65 using namespace PBD;
  66 using namespace Gtk;
  67 using namespace Gtkmm2ext;
  68 using namespace Editing;
  69 using std::string;
  70
  71 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  72
  73 void
  74 Editor::add_external_audio_action (ImportMode mode_hint)
  75 {
  76         if (_session == 0) {
  77                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  78                 msg.run ();
  79                 return;
  80         }
  81
  82         if (sfbrowser == 0) {
  83                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, 0, true, mode_hint);
  84         } else {
  85                 sfbrowser->set_mode (mode_hint);
  86         }
  87
  88         external_audio_dialog ();
  89 }
  90
  91 void
  92 Editor::external_audio_dialog ()
  93 {
  94         vector<string> paths;
  95         uint32_t audio_track_cnt;
  96         uint32_t midi_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         audio_track_cnt = 0;
 105         midi_track_cnt = 0;
 106
 107         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 108                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 109
 110                 if (atv) {
 111                         if (atv->is_audio_track()) {
 112                                 audio_track_cnt++;
 113                         }
 114
 115                 } else {
 116                         MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 117
 118                         if (mtv) {
 119                                 if (mtv->is_midi_track()) {
 120                                         midi_track_cnt++;
 121                                 }
 122                         }
 123                 }
 124         }
 125
 126         if (sfbrowser == 0) {
 127                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, audio_track_cnt, midi_track_cnt, true);
 128         } else {
 129                 sfbrowser->reset (audio_track_cnt, midi_track_cnt);
 130         }
 131
 132         sfbrowser->show_all ();
 133
 134
 135         bool keepRunning;
 136
 137         do {
 138                 keepRunning = false;
 139
 140                 int response = sfbrowser->run ();
 141
 142                 switch (response) {
 143                         case RESPONSE_APPLY:
 144                                 // leave the dialog open
 145                                 break;
 146
 147                         case RESPONSE_OK:
 148                                 sfbrowser->hide ();
 149                                 break;
 150
 151                         default:
 152                                 // cancel from the browser - we are done
 153                                 sfbrowser->hide ();
 154                                 return;
 155                 }
 156
 157                 /* lets do it */
 158
 159                 vector<string> upaths = sfbrowser->get_paths ();
 160                 for (vector<string>::iterator x = upaths.begin(); x != upaths.end(); ++x) {
 161                         paths.push_back (*x);
 162                 }
 163
 164                 ImportPosition pos = sfbrowser->get_position ();
 165                 ImportMode mode = sfbrowser->get_mode ();
 166                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 167                 framepos_t where;
 168
 169                 switch (pos) {
 170                         case ImportAtEditPoint:
 171                                 where = get_preferred_edit_position ();
 172                                 break;
 173                         case ImportAtTimestamp:
 174                                 where = -1;
 175                                 break;
 176                         case ImportAtPlayhead:
 177                                 where = playhead_cursor->current_frame;
 178                                 break;
 179                         case ImportAtStart:
 180                                 where = _session->current_start_frame();
 181                                 break;
 182                 }
 183
 184                 SrcQuality quality = sfbrowser->get_src_quality();
 185
 186
 187                 if (sfbrowser->copy_files_btn.get_active()) {
 188                         do_import (paths, chns, mode, quality, where);
 189                 } else {
 190                         do_embed (paths, chns, mode, where);
 191                 }
 192
 193                 if (response == RESPONSE_APPLY) {
 194                         sfbrowser->clear_selection ();
 195                         keepRunning = true;
 196                 }
 197
 198         } while (keepRunning);
 199 }
 200
 201 void
 202 Editor::session_import_dialog ()
 203 {
 204         SessionImportDialog dialog (_session);
 205         ensure_float (dialog);
 206         dialog.run ();
 207 }
 208
 209 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 210
 211 /**
 212  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_files()
 213  *
 214  * all_or_nothing:
 215  *   true  = show "Update", "Import" and "Skip"
 216  *   false = show "Import", and "Cancel"
 217  *
 218  * Returns:
 219  *     0  To update an existing source of the same name
 220  *     1  To import/embed the file normally (make sure the new name will be unique)
 221  *     2  If the user wants to skip this file
 222  **/
 223 int
 224 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 225 {
 226         string wave_name (Glib::path_get_basename(path));
 227
 228         SourceMap all_sources = _session->get_sources();
 229         bool already_exists = false;
 230         uint32_t existing;
 231
 232         if ((existing = _session->count_sources_by_origin (path)) > 0) {
 233                 already_exists = true;
 234         }
 235
 236         int function = 1;
 237
 238         if (already_exists) {
 239                 string message;
 240                 if (all_or_nothing) {
 241                         // updating is still disabled
 242                         //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);
 243                         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);
 244                 } else {
 245                         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);
 246
 247                 }
 248                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 249
 250                 if (all_or_nothing) {
 251                         // disabled
 252                         //dialog.add_button("Update", 0);
 253                         dialog.add_button("Import", 1);
 254                         dialog.add_button("Skip",   2);
 255                 } else {
 256                         dialog.add_button("Import", 1);
 257                         dialog.add_button("Cancel", 2);
 258                 }
 259
 260                 //dialog.add_button("Skip all", 4); // All or rest?
 261
 262                 dialog.show();
 263
 264                 function = dialog.run ();
 265
 266                 dialog.hide();
 267         }
 268
 269         return function;
 270 }
 271
 272 boost::shared_ptr<AudioTrack>
 273 Editor::get_nth_selected_audio_track (int nth) const
 274 {
 275         AudioTimeAxisView* atv;
 276         TrackSelection::iterator x;
 277
 278         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 279
 280                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 281
 282                 if (!atv) {
 283                         continue;
 284                 } else if (atv->is_audio_track()) {
 285                         --nth;
 286                 }
 287         }
 288
 289         if (x == selection->tracks.end()) {
 290                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 291         } else {
 292                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 293         }
 294
 295         if (!atv || !atv->is_audio_track()) {
 296                 return boost::shared_ptr<AudioTrack>();
 297         }
 298
 299         return atv->audio_track();
 300 }
 301
 302 boost::shared_ptr<MidiTrack>
 303 Editor::get_nth_selected_midi_track (int nth) const
 304 {
 305         MidiTimeAxisView* mtv;
 306         TrackSelection::iterator x;
 307
 308         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 309
 310                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 311
 312                 if (!mtv) {
 313                         continue;
 314                 } else if (mtv->is_midi_track()) {
 315                         --nth;
 316                 }
 317         }
 318
 319         if (x == selection->tracks.end()) {
 320                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 321         } else {
 322                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 323         }
 324
 325         if (!mtv || !mtv->is_midi_track()) {
 326                 return boost::shared_ptr<MidiTrack>();
 327         }
 328
 329         return mtv->midi_track();
 330 }
 331
 332 void
 333 Editor::do_import (vector<string> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, framepos_t& pos)
 334 {
 335         boost::shared_ptr<Track> track;
 336         vector<string> to_import;
 337         int nth = 0;
 338         bool use_timestamp = (pos == -1);
 339
 340         current_interthread_info = &import_status;
 341         import_status.current = 1;
 342         import_status.total = paths.size ();
 343         import_status.all_done = false;
 344
 345         ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
 346
 347         bool ok = true;
 348
 349         if (chns == Editing::ImportMergeFiles) {
 350
 351                 /* create 1 region from all paths, add to 1 track,
 352                    ignore "track"
 353                 */
 354
 355                 bool cancel = false;
 356                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 357                         int check = check_whether_and_how_to_import(*a, false);
 358                         if (check == 2) {
 359                                 cancel = true;
 360                                 break;
 361                         }
 362                 }
 363
 364                 if (cancel) {
 365                         ok = false;
 366                 } else {
 367                         ipw.show ();
 368                         ok = (import_sndfiles (paths, mode, quality, pos, 1, 1, track, false) == 0);
 369                 }
 370
 371         } else {
 372
 373                 bool replace = false;
 374
 375                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 376
 377                         const int check = check_whether_and_how_to_import (*a, true);
 378
 379                         switch (check) {
 380                         case 2:
 381                                 // user said skip
 382                                 continue;
 383                         case 0:
 384                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 385                                 /* NOTREACHED*/
 386                                 break;
 387                         case 1:
 388                                 replace = false;
 389                                 break;
 390                         default:
 391                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 392                                 /* NOTREACHED*/
 393                         }
 394
 395                         /* have to reset this for every file we handle */
 396
 397                         if (use_timestamp) {
 398                                 pos = -1;
 399                         }
 400
 401                         ipw.show ();
 402
 403                         switch (chns) {
 404                         case Editing::ImportDistinctFiles:
 405
 406                                 to_import.clear ();
 407                                 to_import.push_back (*a);
 408
 409                                 if (mode == Editing::ImportToTrack) {
 410                                         track = get_nth_selected_audio_track (nth++);
 411                                 }
 412
 413                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace) == 0);
 414                                 break;
 415
 416                         case Editing::ImportDistinctChannels:
 417
 418                                 to_import.clear ();
 419                                 to_import.push_back (*a);
 420
 421                                 ok = (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, replace) == 0);
 422                                 break;
 423
 424                         case Editing::ImportSerializeFiles:
 425
 426                                 to_import.clear ();
 427                                 to_import.push_back (*a);
 428
 429                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace) == 0);
 430                                 break;
 431
 432                         case Editing::ImportMergeFiles:
 433                                 // Not entered, handled in earlier if() branch
 434                                 break;
 435                         }
 436                 }
 437         }
 438
 439         if (ok) {
 440                 _session->save_state ("");
 441         }
 442
 443         import_status.all_done = true;
 444 }
 445
 446 void
 447 Editor::do_embed (vector<string> paths, ImportDisposition chns, ImportMode mode, framepos_t& pos)
 448 {
 449         boost::shared_ptr<Track> track;
 450         bool check_sample_rate = true;
 451         bool ok = false;
 452         vector<string> to_embed;
 453         bool multi = paths.size() > 1;
 454         int nth = 0;
 455         bool use_timestamp = (pos == -1);
 456
 457         switch (chns) {
 458         case Editing::ImportDistinctFiles:
 459                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 460
 461                         /* have to reset this for every file we handle */
 462                         if (use_timestamp) {
 463                                 pos = -1;
 464                         }
 465
 466                         to_embed.clear ();
 467                         to_embed.push_back (*a);
 468
 469                         if (mode == Editing::ImportToTrack) {
 470                                 track = get_nth_selected_audio_track (nth++);
 471                         }
 472
 473                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
 474                                 goto out;
 475                         }
 476                 }
 477                 break;
 478
 479         case Editing::ImportDistinctChannels:
 480                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 481
 482                         /* have to reset this for every file we handle */
 483                         if (use_timestamp) {
 484                                 pos = -1;
 485                         }
 486
 487                         to_embed.clear ();
 488                         to_embed.push_back (*a);
 489
 490                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
 491                                 goto out;
 492                         }
 493                 }
 494                 break;
 495
 496         case Editing::ImportMergeFiles:
 497                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 498                         goto out;
 499                 }
 500                 break;
 501
 502         case Editing::ImportSerializeFiles:
 503                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 504
 505                         /* have to reset this for every file we handle */
 506                         if (use_timestamp) {
 507                                 pos = -1;
 508                         }
 509
 510                         to_embed.clear ();
 511                         to_embed.push_back (*a);
 512
 513                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 514                                 goto out;
 515                         }
 516                 }
 517                 break;
 518         }
 519
 520         ok = true;
 521
 522   out:
 523         if (ok) {
 524                 _session->save_state ("");
 525         }
 526 }
 527
 528 int
 529 Editor::import_sndfiles (vector<string> paths, ImportMode mode, SrcQuality quality, framepos_t& pos,
 530                          int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool replace)
 531 {
 532         import_status.paths = paths;
 533         import_status.done = false;
 534         import_status.cancel = false;
 535         import_status.freeze = false;
 536         import_status.quality = quality;
 537         import_status.replace_existing_source = replace;
 538
 539         import_status.mode = mode;
 540         import_status.pos = pos;
 541         import_status.target_tracks = target_tracks;
 542         import_status.target_regions = target_regions;
 543         import_status.track = track;
 544         import_status.replace = replace;
 545
 546         set_canvas_cursor (_cursors->wait);
 547         gdk_flush ();
 548
 549         /* start import thread for this spec. this will ultimately call Session::import_files()
 550            which, if successful, will add the files as regions to the region list. its up to us
 551            (the GUI) to direct additional steps after that.
 552         */
 553
 554         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 555         pthread_detach (import_status.thread);
 556
 557         while (!import_status.done && !import_status.cancel) {
 558                 gtk_main_iteration ();
 559         }
 560
 561         import_status.done = true;
 562
 563         int result = -1;
 564
 565         if (!import_status.cancel && !import_status.sources.empty()) {
 566                 result = add_sources (
 567                         import_status.paths,
 568                         import_status.sources,
 569                         import_status.pos,
 570                         import_status.mode,
 571                         import_status.target_regions,
 572                         import_status.target_tracks,
 573                         track, false
 574                         );
 575
 576                 /* update position from results */
 577
 578                 pos = import_status.pos;
 579         }
 580
 581         set_canvas_cursor (current_canvas_cursor);
 582         return result;
 583 }
 584
 585 int
 586 Editor::embed_sndfiles (vector<string> paths, bool multifile,
 587                         bool& check_sample_rate, ImportMode mode, framepos_t& pos, int target_regions, int target_tracks,
 588                         boost::shared_ptr<Track>& track)
 589 {
 590         boost::shared_ptr<AudioFileSource> source;
 591         SourceList sources;
 592         string linked_path;
 593         SoundFileInfo finfo;
 594         int ret = 0;
 595
 596         set_canvas_cursor (_cursors->wait);
 597         gdk_flush ();
 598
 599         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
 600
 601                 string path = *p;
 602                 string error_msg;
 603
 604                 /* note that we temporarily truncated _id at the colon */
 605
 606                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 607                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 608                         goto out;
 609                 }
 610
 611                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 612                         vector<string> choices;
 613
 614                         if (multifile) {
 615                                 choices.push_back (_("Cancel entire import"));
 616                                 choices.push_back (_("Don't embed it"));
 617                                 choices.push_back (_("Embed all without questions"));
 618
 619                                 Gtkmm2ext::Choice rate_choice (
 620                                         _("Sample rate"),
 621                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 622                                                         short_path (path, 40)),
 623                                         choices, false
 624                                         );
 625
 626                                 int resx = rate_choice.run ();
 627
 628                                 switch (resx) {
 629                                 case 0: /* stop a multi-file import */
 630                                         ret = -2;
 631                                         goto out;
 632                                 case 1: /* don't embed this one */
 633                                         ret = -1;
 634                                         goto out;
 635                                 case 2: /* do it, and the rest without asking */
 636                                         check_sample_rate = false;
 637                                         break;
 638                                 case 3: /* do it */
 639                                         break;
 640                                 default:
 641                                         ret = -2;
 642                                         goto out;
 643                                 }
 644                         } else {
 645                                 choices.push_back (_("Cancel"));
 646                                 choices.push_back (_("Embed it anyway"));
 647
 648                                 Gtkmm2ext::Choice rate_choice (
 649                                         _("Sample rate"),
 650                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 651                                         choices, false
 652                                         );
 653
 654                                 int resx = rate_choice.run ();
 655
 656                                 switch (resx) {
 657                                 case 0: /* don't import */
 658                                         ret = -1;
 659                                         goto out;
 660                                 case 1: /* do it */
 661                                         break;
 662                                 default:
 663                                         ret = -2;
 664                                         goto out;
 665                                 }
 666                         }
 667                 }
 668
 669                 set_canvas_cursor (_cursors->wait);
 670
 671                 for (int n = 0; n < finfo.channels; ++n) {
 672                         try {
 673
 674                                 /* check if we have this thing embedded already */
 675
 676                                 boost::shared_ptr<Source> s;
 677
 678                                 if ((s = _session->source_by_path_and_channel (path, n)) == 0) {
 679
 680                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 681                                                 SourceFactory::createReadable (DataType::AUDIO, *_session,
 682                                                                                path, n,
 683                                                                                (mode == ImportAsTapeTrack
 684                                                                                 ? Source::Destructive
 685                                                                                 : Source::Flag (0)),
 686                                                                         true, true));
 687                                 } else {
 688                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 689                                 }
 690
 691                                 sources.push_back(source);
 692                         }
 693
 694                         catch (failed_constructor& err) {
 695                                 error << string_compose(_("could not open %1"), path) << endmsg;
 696                                 goto out;
 697                         }
 698
 699                         ARDOUR_UI::instance()->flush_pending ();
 700                 }
 701         }
 702
 703         if (sources.empty()) {
 704                 goto out;
 705         }
 706
 707         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 708
 709   out:
 710         set_canvas_cursor (current_canvas_cursor);
 711         return ret;
 712 }
 713
 714 int
 715 Editor::add_sources (vector<string> paths, SourceList& sources, framepos_t& pos, ImportMode mode,
 716                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 717 {
 718         vector<boost::shared_ptr<Region> > regions;
 719         string region_name;
 720         uint32_t input_chan = 0;
 721         uint32_t output_chan = 0;
 722         bool use_timestamp;
 723
 724         use_timestamp = (pos == -1);
 725
 726         // kludge (for MIDI we're abusing "channel" for "track" here)
 727         if (SMFSource::safe_midi_file_extension (paths.front())) {
 728                 target_regions = -1;
 729         }
 730
 731         if (target_regions == 1) {
 732
 733                 /* take all the sources we have and package them up as a region */
 734
 735                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 736
 737                 /* we checked in import_sndfiles() that there were not too many */
 738
 739                 while (RegionFactory::region_by_name (region_name)) {
 740                         region_name = bump_name_once (region_name, '.');
 741                 }
 742
 743                 PropertyList plist;
 744
 745                 plist.add (ARDOUR::Properties::start, 0);
 746                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 747                 plist.add (ARDOUR::Properties::name, region_name);
 748                 plist.add (ARDOUR::Properties::layer, 0);
 749                 plist.add (ARDOUR::Properties::whole_file, true);
 750                 plist.add (ARDOUR::Properties::external, true);
 751
 752                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 753
 754                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 755                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 756                 }
 757
 758                 regions.push_back (r);
 759
 760
 761         } else if (target_regions == -1 || target_regions > 1) {
 762
 763                 /* take each source and create a region for each one */
 764
 765                 SourceList just_one;
 766                 SourceList::iterator x;
 767                 uint32_t n;
 768
 769                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 770
 771                         just_one.clear ();
 772                         just_one.push_back (*x);
 773
 774                         boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (*x);
 775
 776                         if (fs) {
 777                                 region_name = region_name_from_path (fs->path(), false, false, sources.size(), n);
 778                         } else{
 779                                 region_name = (*x)->name();
 780                         }
 781
 782                         PropertyList plist;
 783
 784                         /* Fudge region length to ensure it is non-zero; make it 1 beat at 120bpm
 785                            for want of a better idea.  It can't be too small, otherwise if this
 786                            is a MIDI region the conversion from frames -> beats -> frames will
 787                            round it back down to 0 again.
 788                         */
 789                         framecnt_t len = (*x)->length (pos);
 790                         if (len == 0) {
 791                                 len = (60.0 / 120.0) * _session->frame_rate ();
 792                         }
 793
 794                         plist.add (ARDOUR::Properties::start, 0);
 795                         plist.add (ARDOUR::Properties::length, len);
 796                         plist.add (ARDOUR::Properties::name, region_name);
 797                         plist.add (ARDOUR::Properties::layer, 0);
 798                         plist.add (ARDOUR::Properties::whole_file, true);
 799                         plist.add (ARDOUR::Properties::external, true);
 800
 801                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 802
 803                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 804                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 805                         }
 806
 807                         regions.push_back (r);
 808                 }
 809         }
 810
 811         if (target_regions == 1) {
 812                 input_chan = regions.front()->n_channels();
 813         } else {
 814                 if (target_tracks == 1) {
 815                         input_chan = regions.size();
 816                 } else {
 817                         input_chan = 1;
 818                 }
 819         }
 820
 821         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 822                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 823         } else {
 824                 output_chan = input_chan;
 825         }
 826
 827         int n = 0;
 828         framepos_t rlen = 0;
 829
 830         begin_reversible_command (Operations::insert_file);
 831
 832         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 833                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 834
 835                 if (use_timestamp) {
 836                         if (ar) {
 837
 838                                 /* get timestamp for this region */
 839
 840                                 const boost::shared_ptr<Source> s (ar->sources().front());
 841                                 const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 842
 843                                 assert (as);
 844
 845                                 if (as->natural_position() != 0) {
 846                                         pos = as->natural_position();
 847                                 } else if (target_tracks == 1) {
 848                                         /* hmm, no timestamp available, put it after the previous region
 849                                          */
 850                                         if (n == 0) {
 851                                                 pos = get_preferred_edit_position ();
 852                                         } else {
 853                                                 pos += rlen;
 854                                         }
 855                                 } else {
 856                                         pos = get_preferred_edit_position ();
 857                                 }
 858                         } else {
 859                                 /* should really get first position in MIDI file, but for now, use edit position*/
 860                                 pos = get_preferred_edit_position ();
 861                         }
 862                 }
 863
 864
 865                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 866
 867                 rlen = (*r)->length();
 868
 869                 if (target_tracks != 1) {
 870                         track.reset ();
 871                 } else {
 872                         if (!use_timestamp || !ar) {
 873                                 /* line each one up right after the other */
 874                                 pos += (*r)->length();
 875                         }
 876                 }
 877         }
 878
 879         commit_reversible_command ();
 880
 881         /* setup peak file building in another thread */
 882
 883         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 884                 SourceFactory::setup_peakfile (*x, true);
 885         }
 886
 887         return 0;
 888 }
 889
 890 int
 891 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, framepos_t& pos,
 892                                      ImportMode mode, boost::shared_ptr<Track>& existing_track)
 893 {
 894         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 895         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 896
 897         switch (mode) {
 898         case ImportAsRegion:
 899                 /* relax, its been done */
 900                 break;
 901
 902         case ImportToTrack:
 903         {
 904                 if (!existing_track) {
 905
 906                         if (ar) {
 907                                 existing_track = get_nth_selected_audio_track (0);
 908                         } else if (mr) {
 909                                 existing_track = get_nth_selected_midi_track (0);
 910                         }
 911
 912                         if (!existing_track) {
 913                                 return -1;
 914                         }
 915                 }
 916
 917                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 918                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 919                 playlist->clear_changes ();
 920                 playlist->add_region (copy, pos);
 921                 _session->add_command (new StatefulDiffCommand (playlist));
 922                 break;
 923         }
 924
 925         case ImportAsTrack:
 926         {
 927                 if (!existing_track) {
 928                         if (ar) {
 929                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 930
 931                                 if (at.empty()) {
 932                                         return -1;
 933                                 }
 934
 935                                 existing_track = at.front();
 936                         } else if (mr) {
 937                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (boost::shared_ptr<PluginInfo>(), Normal, 0, 1));
 938
 939                                 if (mt.empty()) {
 940                                         return -1;
 941                                 }
 942
 943                                 existing_track = mt.front();
 944                         }
 945
 946                         existing_track->set_name (region->name());
 947                 }
 948
 949                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 950                 boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 951                 playlist->clear_changes ();
 952                 playlist->add_region (copy, pos);
 953                 _session->add_command (new StatefulDiffCommand (playlist));
 954                 break;
 955         }
 956
 957         case ImportAsTapeTrack:
 958         {
 959                 if (!ar) {
 960                         return -1;
 961                 }
 962
 963                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 964                 if (!at.empty()) {
 965                         boost::shared_ptr<Playlist> playlist = at.front()->playlist();
 966                         boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 967                         playlist->clear_changes ();
 968                         playlist->add_region (copy, pos);
 969                         _session->add_command (new StatefulDiffCommand (playlist));
 970                 }
 971                 break;
 972         }
 973         }
 974
 975         return 0;
 976 }
 977
 978 void *
 979 Editor::_import_thread (void *arg)
 980 {
 981         SessionEvent::create_per_thread_pool ("import events", 64);
 982
 983         Editor *ed = (Editor *) arg;
 984         return ed->import_thread ();
 985 }
 986
 987 void *
 988 Editor::import_thread ()
 989 {
 990         _session->import_files (import_status);
 991         pthread_exit_pbd (0);
 992         /*NOTREACHED*/
 993         return 0;
 994 }