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 #include "mouse_cursors.h"
  64 #include "editor_cursors.h"
  65
  66 #include "i18n.h"
  67
  68 using namespace std;
  69 using namespace ARDOUR;
  70 using namespace PBD;
  71 using namespace Gtk;
  72 using namespace Gtkmm2ext;
  73 using namespace Editing;
  74 using std::string;
  75
  76 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  77
  78 void
  79 Editor::add_external_audio_action (ImportMode mode_hint)
  80 {
  81         if (_session == 0) {
  82                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  83                 msg.run ();
  84                 return;
  85         }
  86
  87         if (sfbrowser == 0) {
  88                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, 0, true, mode_hint);
  89         } else {
  90                 sfbrowser->set_mode (mode_hint);
  91         }
  92
  93         external_audio_dialog ();
  94 }
  95
  96 void
  97 Editor::external_audio_dialog ()
  98 {
  99         vector<string> paths;
 100         uint32_t track_cnt;
 101
 102         if (_session == 0) {
 103                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
 104                 msg.run ();
 105                 return;
 106         }
 107
 108         track_cnt = 0;
 109
 110         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 111                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 112
 113                 if (!atv) {
 114                         continue;
 115                 } else if (atv->is_audio_track()) {
 116                         track_cnt++;
 117                 }
 118         }
 119
 120         if (sfbrowser == 0) {
 121                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, track_cnt, true);
 122         } else {
 123                 sfbrowser->reset (track_cnt);
 124         }
 125
 126         sfbrowser->show_all ();
 127
 128
 129         bool keepRunning;
 130
 131         do {
 132                 keepRunning = false;
 133
 134                 int response = sfbrowser->run ();
 135
 136                 switch (response) {
 137                         case RESPONSE_APPLY:
 138                                 // leave the dialog open
 139                                 break;
 140
 141                         case RESPONSE_OK:
 142                                 sfbrowser->hide ();
 143                                 break;
 144
 145                         default:
 146                                 // cancel from the browser - we are done
 147                                 sfbrowser->hide ();
 148                                 return;
 149                 }
 150
 151                 /* lets do it */
 152
 153                 vector<string> upaths = sfbrowser->get_paths ();
 154                 for (vector<string>::iterator x = upaths.begin(); x != upaths.end(); ++x) {
 155                         paths.push_back (*x);
 156                 }
 157
 158                 ImportPosition pos = sfbrowser->get_position ();
 159                 ImportMode mode = sfbrowser->get_mode ();
 160                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 161                 framepos_t where;
 162
 163                 switch (pos) {
 164                         case ImportAtEditPoint:
 165                                 where = get_preferred_edit_position ();
 166                                 break;
 167                         case ImportAtTimestamp:
 168                                 where = -1;
 169                                 break;
 170                         case ImportAtPlayhead:
 171                                 where = playhead_cursor->current_frame;
 172                                 break;
 173                         case ImportAtStart:
 174                                 where = _session->current_start_frame();
 175                                 break;
 176                 }
 177
 178                 SrcQuality quality = sfbrowser->get_src_quality();
 179
 180
 181                 if (sfbrowser->copy_files_btn.get_active()) {
 182                         do_import (paths, chns, mode, quality, where);
 183                 } else {
 184                         do_embed (paths, chns, mode, where);
 185                 }
 186
 187                 if (response == RESPONSE_APPLY) {
 188                         sfbrowser->clear_selection ();
 189                         keepRunning = true;
 190                 }
 191
 192         } while (keepRunning);
 193 }
 194
 195 void
 196 Editor::session_import_dialog ()
 197 {
 198         SessionImportDialog dialog (_session);
 199         ensure_float (dialog);
 200         dialog.run ();
 201 }
 202
 203 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 204
 205 /**
 206  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
 207  *
 208  * all_or_nothing:
 209  *   true  = show "Update", "Import" and "Skip"
 210  *   false = show "Import", and "Cancel"
 211  *
 212  * Returns:
 213  *     0  To update an existing source of the same name
 214  *     1  To import/embed the file normally (make sure the new name will be unique)
 215  *     2  If the user wants to skip this file
 216  **/
 217 int
 218 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 219 {
 220         string wave_name (Glib::path_get_basename(path));
 221
 222         SourceMap all_sources = _session->get_sources();
 223         bool already_exists = false;
 224         uint32_t existing;
 225
 226         if ((existing = _session->count_sources_by_origin (path)) > 0) {
 227                 already_exists = true;
 228         }
 229
 230         int function = 1;
 231
 232         if (already_exists) {
 233                 string message;
 234                 if (all_or_nothing) {
 235                         // updating is still disabled
 236                         //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);
 237                         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);
 238                 } else {
 239                         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);
 240
 241                 }
 242                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 243
 244                 if (all_or_nothing) {
 245                         // disabled
 246                         //dialog.add_button("Update", 0);
 247                         dialog.add_button("Import", 1);
 248                         dialog.add_button("Skip",   2);
 249                 } else {
 250                         dialog.add_button("Import", 1);
 251                         dialog.add_button("Cancel", 2);
 252                 }
 253
 254                 //dialog.add_button("Skip all", 4); // All or rest?
 255
 256                 dialog.show();
 257
 258                 function = dialog.run ();
 259
 260                 dialog.hide();
 261         }
 262
 263         return function;
 264 }
 265
 266 boost::shared_ptr<AudioTrack>
 267 Editor::get_nth_selected_audio_track (int nth) const
 268 {
 269         AudioTimeAxisView* atv;
 270         TrackSelection::iterator x;
 271
 272         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 273
 274                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 275
 276                 if (!atv) {
 277                         continue;
 278                 } else if (atv->is_audio_track()) {
 279                         --nth;
 280                 }
 281         }
 282
 283         if (x == selection->tracks.end()) {
 284                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 285         } else {
 286                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 287         }
 288
 289         if (!atv || !atv->is_audio_track()) {
 290                 return boost::shared_ptr<AudioTrack>();
 291         }
 292
 293         return atv->audio_track();
 294 }
 295
 296 boost::shared_ptr<MidiTrack>
 297 Editor::get_nth_selected_midi_track (int nth) const
 298 {
 299         MidiTimeAxisView* mtv;
 300         TrackSelection::iterator x;
 301
 302         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 303
 304                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 305
 306                 if (!mtv) {
 307                         continue;
 308                 } else if (mtv->is_midi_track()) {
 309                         --nth;
 310                 }
 311         }
 312
 313         if (x == selection->tracks.end()) {
 314                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 315         } else {
 316                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 317         }
 318
 319         if (!mtv || !mtv->is_midi_track()) {
 320                 return boost::shared_ptr<MidiTrack>();
 321         }
 322
 323         return mtv->midi_track();
 324 }
 325
 326 void
 327 Editor::do_import (vector<string> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, framepos_t& pos)
 328 {
 329         boost::shared_ptr<Track> track;
 330         vector<string> to_import;
 331         int nth = 0;
 332         bool use_timestamp = (pos == -1);
 333
 334         current_interthread_info = &import_status;
 335         import_status.current = 1;
 336         import_status.total = paths.size ();
 337         import_status.all_done = false;
 338
 339         ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
 340
 341         bool ok = true;
 342
 343         if (chns == Editing::ImportMergeFiles) {
 344
 345                 /* create 1 region from all paths, add to 1 track,
 346                    ignore "track"
 347                 */
 348
 349                 bool cancel = false;
 350                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 351                         int check = check_whether_and_how_to_import(*a, false);
 352                         if (check == 2) {
 353                                 cancel = true;
 354                                 break;
 355                         }
 356                 }
 357
 358                 if (cancel) {
 359                         ok = false;
 360                 } else {
 361                         ipw.show ();
 362                         ok = (import_sndfiles (paths, mode, quality, pos, 1, 1, track, false) == 0);
 363                 }
 364
 365         } else {
 366
 367                 bool replace = false;
 368
 369                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 370
 371                         const int check = check_whether_and_how_to_import (*a, true);
 372
 373                         switch (check) {
 374                         case 2:
 375                                 // user said skip
 376                                 continue;
 377                         case 0:
 378                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 379                                 /* NOTREACHED*/
 380                                 break;
 381                         case 1:
 382                                 replace = false;
 383                                 break;
 384                         default:
 385                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 386                                 /* NOTREACHED*/
 387                         }
 388
 389                         /* have to reset this for every file we handle */
 390
 391                         if (use_timestamp) {
 392                                 pos = -1;
 393                         }
 394
 395                         ipw.show ();
 396
 397                         switch (chns) {
 398                         case Editing::ImportDistinctFiles:
 399
 400                                 to_import.clear ();
 401                                 to_import.push_back (*a);
 402
 403                                 if (mode == Editing::ImportToTrack) {
 404                                         track = get_nth_selected_audio_track (nth++);
 405                                 }
 406
 407                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace) == 0);
 408                                 break;
 409
 410                         case Editing::ImportDistinctChannels:
 411
 412                                 to_import.clear ();
 413                                 to_import.push_back (*a);
 414
 415                                 ok = (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, replace) == 0);
 416                                 break;
 417
 418                         case Editing::ImportSerializeFiles:
 419
 420                                 to_import.clear ();
 421                                 to_import.push_back (*a);
 422
 423                                 ok = (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace) == 0);
 424                                 break;
 425
 426                         case Editing::ImportMergeFiles:
 427                                 // Not entered, handled in earlier if() branch
 428                                 break;
 429                         }
 430                 }
 431         }
 432
 433         if (ok) {
 434                 _session->save_state ("");
 435         }
 436
 437         import_status.all_done = true;
 438 }
 439
 440 void
 441 Editor::do_embed (vector<string> paths, ImportDisposition chns, ImportMode mode, framepos_t& pos)
 442 {
 443         boost::shared_ptr<Track> track;
 444         bool check_sample_rate = true;
 445         bool ok = false;
 446         vector<string> to_embed;
 447         bool multi = paths.size() > 1;
 448         int nth = 0;
 449
 450         switch (chns) {
 451         case Editing::ImportDistinctFiles:
 452                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 453
 454                         to_embed.clear ();
 455                         to_embed.push_back (*a);
 456
 457                         if (mode == Editing::ImportToTrack) {
 458                                 track = get_nth_selected_audio_track (nth++);
 459                         }
 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::ImportDistinctChannels:
 468                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 469
 470                         to_embed.clear ();
 471                         to_embed.push_back (*a);
 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::ImportMergeFiles:
 480                 if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 481                         goto out;
 482                 }
 483                 break;
 484
 485         case Editing::ImportSerializeFiles:
 486                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 487
 488                         to_embed.clear ();
 489                         to_embed.push_back (*a);
 490
 491                         if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
 492                                 goto out;
 493                         }
 494                 }
 495                 break;
 496         }
 497
 498         ok = true;
 499
 500   out:
 501         if (ok) {
 502                 _session->save_state ("");
 503         }
 504 }
 505
 506 int
 507 Editor::import_sndfiles (vector<string> paths, ImportMode mode, SrcQuality quality, framepos_t& pos,
 508                          int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool replace)
 509 {
 510         import_status.paths = paths;
 511         import_status.done = false;
 512         import_status.cancel = false;
 513         import_status.freeze = false;
 514         import_status.quality = quality;
 515         import_status.replace_existing_source = replace;
 516
 517         import_status.mode = mode;
 518         import_status.pos = pos;
 519         import_status.target_tracks = target_tracks;
 520         import_status.target_regions = target_regions;
 521         import_status.track = track;
 522         import_status.replace = replace;
 523
 524         set_canvas_cursor (_cursors->wait);
 525         gdk_flush ();
 526
 527         /* start import thread for this spec. this will ultimately call Session::import_audiofiles()
 528            which, if successful, will add the files as regions to the region list. its up to us
 529            (the GUI) to direct additional steps after that.
 530         */
 531
 532         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 533         pthread_detach (import_status.thread);
 534
 535         while (!import_status.done && !import_status.cancel) {
 536                 gtk_main_iteration ();
 537         }
 538
 539         import_status.done = true;
 540
 541         int result = -1;
 542
 543         if (!import_status.cancel && !import_status.sources.empty()) {
 544                 result = add_sources (
 545                         import_status.paths,
 546                         import_status.sources,
 547                         import_status.pos,
 548                         import_status.mode,
 549                         import_status.target_regions,
 550                         import_status.target_tracks,
 551                         track, false
 552                         );
 553
 554                 /* update position from results */
 555
 556                 pos = import_status.pos;
 557         }
 558
 559         set_canvas_cursor (current_canvas_cursor);
 560         return result;
 561 }
 562
 563 int
 564 Editor::embed_sndfiles (vector<string> paths, bool multifile,
 565                         bool& check_sample_rate, ImportMode mode, framepos_t& pos, int target_regions, int target_tracks,
 566                         boost::shared_ptr<Track>& track)
 567 {
 568         boost::shared_ptr<AudioFileSource> source;
 569         SourceList sources;
 570         string linked_path;
 571         SoundFileInfo finfo;
 572         int ret = 0;
 573
 574         set_canvas_cursor (_cursors->wait);
 575         gdk_flush ();
 576
 577         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
 578
 579                 string path = *p;
 580                 string error_msg;
 581
 582                 /* note that we temporarily truncated _id at the colon */
 583
 584                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 585                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 586                         goto out;
 587                 }
 588
 589                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 590                         vector<string> choices;
 591
 592                         if (multifile) {
 593                                 choices.push_back (_("Cancel entire import"));
 594                                 choices.push_back (_("Don't embed it"));
 595                                 choices.push_back (_("Embed all without questions"));
 596
 597                                 Gtkmm2ext::Choice rate_choice (
 598                                         _("Sample rate"),
 599                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 600                                                         short_path (path, 40)),
 601                                         choices, false
 602                                         );
 603
 604                                 int resx = rate_choice.run ();
 605
 606                                 switch (resx) {
 607                                 case 0: /* stop a multi-file import */
 608                                         ret = -2;
 609                                         goto out;
 610                                 case 1: /* don't embed this one */
 611                                         ret = -1;
 612                                         goto out;
 613                                 case 2: /* do it, and the rest without asking */
 614                                         check_sample_rate = false;
 615                                         break;
 616                                 case 3: /* do it */
 617                                         break;
 618                                 default:
 619                                         ret = -2;
 620                                         goto out;
 621                                 }
 622                         } else {
 623                                 choices.push_back (_("Cancel"));
 624                                 choices.push_back (_("Embed it anyway"));
 625
 626                                 Gtkmm2ext::Choice rate_choice (
 627                                         _("Sample rate"),
 628                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 629                                         choices, false
 630                                         );
 631
 632                                 int resx = rate_choice.run ();
 633
 634                                 switch (resx) {
 635                                 case 0: /* don't import */
 636                                         ret = -1;
 637                                         goto out;
 638                                 case 1: /* do it */
 639                                         break;
 640                                 default:
 641                                         ret = -2;
 642                                         goto out;
 643                                 }
 644                         }
 645                 }
 646
 647                 set_canvas_cursor (_cursors->wait);
 648
 649                 for (int n = 0; n < finfo.channels; ++n) {
 650                         try {
 651
 652                                 /* check if we have this thing embedded already */
 653
 654                                 boost::shared_ptr<Source> s;
 655
 656                                 if ((s = _session->source_by_path_and_channel (path, n)) == 0) {
 657
 658                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 659                                                 SourceFactory::createReadable (DataType::AUDIO, *_session,
 660                                                                                path, n,
 661                                                                                (mode == ImportAsTapeTrack
 662                                                                                 ? Source::Destructive
 663                                                                                 : Source::Flag (0)),
 664                                                                         true, true));
 665                                 } else {
 666                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 667                                 }
 668
 669                                 sources.push_back(source);
 670                         }
 671
 672                         catch (failed_constructor& err) {
 673                                 error << string_compose(_("could not open %1"), path) << endmsg;
 674                                 goto out;
 675                         }
 676
 677                         ARDOUR_UI::instance()->flush_pending ();
 678                 }
 679         }
 680
 681         if (sources.empty()) {
 682                 goto out;
 683         }
 684
 685         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 686
 687   out:
 688         set_canvas_cursor (current_canvas_cursor);
 689         return ret;
 690 }
 691
 692 int
 693 Editor::add_sources (vector<string> paths, SourceList& sources, framepos_t& pos, ImportMode mode,
 694                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 695 {
 696         vector<boost::shared_ptr<Region> > regions;
 697         string region_name;
 698         uint32_t input_chan = 0;
 699         uint32_t output_chan = 0;
 700         bool use_timestamp;
 701
 702         use_timestamp = (pos == -1);
 703
 704         // kludge (for MIDI we're abusing "channel" for "track" here)
 705         if (SMFSource::safe_midi_file_extension (paths.front())) {
 706                 target_regions = -1;
 707         }
 708
 709         if (target_regions == 1) {
 710
 711                 /* take all the sources we have and package them up as a region */
 712
 713                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 714
 715                 /* we checked in import_sndfiles() that there were not too many */
 716
 717                 while (RegionFactory::region_by_name (region_name)) {
 718                         region_name = bump_name_once (region_name, '.');
 719                 }
 720
 721                 PropertyList plist;
 722
 723                 plist.add (ARDOUR::Properties::start, 0);
 724                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 725                 plist.add (ARDOUR::Properties::name, region_name);
 726                 plist.add (ARDOUR::Properties::layer, 0);
 727                 plist.add (ARDOUR::Properties::whole_file, true);
 728                 plist.add (ARDOUR::Properties::external, true);
 729
 730                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 731
 732                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 733                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 734                 }
 735
 736                 regions.push_back (r);
 737
 738
 739         } else if (target_regions == -1 || target_regions > 1) {
 740
 741                 /* take each source and create a region for each one */
 742
 743                 SourceList just_one;
 744                 SourceList::iterator x;
 745                 uint32_t n;
 746
 747                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 748
 749                         just_one.clear ();
 750                         just_one.push_back (*x);
 751
 752                         region_name = region_name_from_path ((*x)->path(), false, false, sources.size(), n);
 753
 754                         PropertyList plist;
 755
 756                         plist.add (ARDOUR::Properties::start, 0);
 757                         plist.add (ARDOUR::Properties::length, (*x)->length (pos));
 758                         plist.add (ARDOUR::Properties::name, region_name);
 759                         plist.add (ARDOUR::Properties::layer, 0);
 760                         plist.add (ARDOUR::Properties::whole_file, true);
 761                         plist.add (ARDOUR::Properties::external, true);
 762
 763                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 764
 765                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 766                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 767                         }
 768
 769                         regions.push_back (r);
 770                 }
 771         }
 772
 773         if (target_regions == 1) {
 774                 input_chan = regions.front()->n_channels();
 775         } else {
 776                 if (target_tracks == 1) {
 777                         input_chan = regions.size();
 778                 } else {
 779                         input_chan = 1;
 780                 }
 781         }
 782
 783         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 784                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 785         } else {
 786                 output_chan = input_chan;
 787         }
 788
 789         int n = 0;
 790         framepos_t rlen = 0;
 791
 792         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 793                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 794
 795                 if (use_timestamp && ar) {
 796
 797                         /* get timestamp for this region */
 798
 799                         const boost::shared_ptr<Source> s (ar->sources().front());
 800                         const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 801
 802                         assert (as);
 803
 804                         if (as->natural_position() != 0) {
 805                                 pos = as->natural_position();
 806                         } else if (target_tracks == 1) {
 807                                 /* hmm, no timestamp available, put it after the previous region
 808                                  */
 809                                 if (n == 0) {
 810                                         pos = get_preferred_edit_position ();
 811                                 } else {
 812                                         pos += rlen;
 813                                 }
 814                         } else {
 815                                 pos = get_preferred_edit_position ();
 816                         }
 817
 818                 }
 819
 820                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 821
 822                 rlen = (*r)->length();
 823
 824                 if (target_tracks != 1) {
 825                         track.reset ();
 826                 } else {
 827                         if (!use_timestamp || !ar) {
 828                                 /* line each one up right after the other */
 829                                 pos += (*r)->length();
 830                         }
 831                 }
 832         }
 833
 834         /* setup peak file building in another thread */
 835
 836         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 837                 SourceFactory::setup_peakfile (*x, true);
 838         }
 839
 840         return 0;
 841 }
 842
 843 int
 844 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, framepos_t& pos,
 845                                   ImportMode mode, boost::shared_ptr<Track>& existing_track)
 846 {
 847         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 848         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 849
 850         switch (mode) {
 851         case ImportAsRegion:
 852                 /* relax, its been done */
 853                 break;
 854
 855         case ImportToTrack:
 856         {
 857                 if (!existing_track) {
 858
 859                         if (ar) {
 860                                 existing_track = get_nth_selected_audio_track (0);
 861                         } else if (mr) {
 862                                 existing_track = get_nth_selected_midi_track (0);
 863                         }
 864
 865                         if (!existing_track) {
 866                                 return -1;
 867                         }
 868                 }
 869
 870                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 871                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 872                 begin_reversible_command (_("insert file"));
 873                 playlist->clear_changes ();
 874                 playlist->add_region (copy, pos);
 875                 _session->add_command (new StatefulDiffCommand (playlist));
 876                 commit_reversible_command ();
 877                 break;
 878         }
 879
 880         case ImportAsTrack:
 881         {
 882                 if (!existing_track) {
 883                         if (ar) {
 884                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 885
 886                                 if (at.empty()) {
 887                                         return -1;
 888                                 }
 889
 890                                 existing_track = at.front();
 891                         } else if (mr) {
 892                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (Normal, 0, 1));
 893
 894                                 if (mt.empty()) {
 895                                         return -1;
 896                                 }
 897
 898                                 existing_track = mt.front();
 899                         }
 900
 901                         existing_track->set_name (region->name());
 902                 }
 903
 904                 boost::shared_ptr<Region> copy (RegionFactory::create (region));
 905                 existing_track->playlist()->add_region (copy, pos);
 906                 break;
 907         }
 908
 909
 910         case ImportAsTapeTrack:
 911         {
 912                 if (!ar)
 913                         return -1;
 914
 915                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 916                 if (!at.empty()) {
 917                         boost::shared_ptr<Region> copy (RegionFactory::create (region));
 918                         at.front()->set_name (basename_nosuffix (copy->name()));
 919                         at.front()->playlist()->add_region (copy, pos);
 920                 }
 921                 break;
 922         }
 923         }
 924
 925         return 0;
 926 }
 927
 928 void *
 929 Editor::_import_thread (void *arg)
 930 {
 931         SessionEvent::create_per_thread_pool ("import events", 64);
 932
 933         Editor *ed = (Editor *) arg;
 934         return ed->import_thread ();
 935 }
 936
 937 void *
 938 Editor::import_thread ()
 939 {
 940         _session->import_audiofiles (import_status);
 941         pthread_exit_pbd (0);
 942         /*NOTREACHED*/
 943         return 0;
 944 }