gtk2_ardour/editor_audio_import.cc

   1 /*
   2     Copyright (C) 2000-2006 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <sys/types.h>
  21 #include <sys/stat.h>
  22 #include <sys/time.h>
  23 #include <errno.h>
  24 #include <unistd.h>
  25 #include <algorithm>
  26
  27 #include <sndfile.h>
  28
  29 #include "pbd/pthread_utils.h"
  30 #include "pbd/basename.h"
  31 #include "pbd/shortpath.h"
  32 #include "pbd/stateful_diff_command.h"
  33
  34 #include <gtkmm2ext/choice.h>
  35
  36 #include "ardour/session.h"
  37 #include "ardour/session_directory.h"
  38 #include "ardour/audioplaylist.h"
  39 #include "ardour/audioregion.h"
  40 #include "ardour/audio_diskstream.h"
  41 #include "ardour/midi_track.h"
  42 #include "ardour/midi_region.h"
  43 #include "ardour/utils.h"
  44 #include "ardour/audio_track.h"
  45 #include "ardour/audioplaylist.h"
  46 #include "ardour/audiofilesource.h"
  47 #include "ardour/region_factory.h"
  48 #include "ardour/source_factory.h"
  49 #include "ardour/session.h"
  50 #include "ardour/smf_source.h"
  51 #include "pbd/memento_command.h"
  52
  53 #include "ardour_ui.h"
  54 #include "editor.h"
  55 #include "sfdb_ui.h"
  56 #include "editing.h"
  57 #include "audio_time_axis.h"
  58 #include "midi_time_axis.h"
  59 #include "session_import_dialog.h"
  60 #include "utils.h"
  61 #include "gui_thread.h"
  62 #include "interthread_progress_window.h"
  63
  64 #include "i18n.h"
  65
  66 using namespace std;
  67 using namespace ARDOUR;
  68 using namespace PBD;
  69 using namespace Gtk;
  70 using namespace Gtkmm2ext;
  71 using namespace Editing;
  72 using std::string;
  73
  74 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
  75
  76 void
  77 Editor::add_external_audio_action (ImportMode mode_hint)
  78 {
  79         if (_session == 0) {
  80                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
  81                 msg.run ();
  82                 return;
  83         }
  84
  85         if (sfbrowser == 0) {
  86                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, 0, true, mode_hint);
  87         } else {
  88                 sfbrowser->set_mode (mode_hint);
  89         }
  90
  91         external_audio_dialog ();
  92 }
  93
  94 void
  95 Editor::external_audio_dialog ()
  96 {
  97         vector<string> paths;
  98         uint32_t track_cnt;
  99
 100         if (_session == 0) {
 101                 MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
 102                 msg.run ();
 103                 return;
 104         }
 105
 106         track_cnt = 0;
 107
 108         for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
 109                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
 110
 111                 if (!atv) {
 112                         continue;
 113                 } else if (atv->is_audio_track()) {
 114                         track_cnt++;
 115                 }
 116         }
 117
 118         if (sfbrowser == 0) {
 119                 sfbrowser = new SoundFileOmega (*this, _("Add Existing Media"), _session, track_cnt, true);
 120         } else {
 121                 sfbrowser->reset (track_cnt);
 122         }
 123
 124         sfbrowser->show_all ();
 125
 126
 127         bool keepRunning;
 128
 129         do {
 130                 keepRunning = false;
 131
 132                 int response = sfbrowser->run ();
 133
 134                 switch (response) {
 135                         case RESPONSE_APPLY:
 136                                 // leave the dialog open
 137                                 break;
 138
 139                         case RESPONSE_OK:
 140                                 sfbrowser->hide ();
 141                                 break;
 142
 143                         default:
 144                                 // cancel from the browser - we are done
 145                                 sfbrowser->hide ();
 146                                 return;
 147                 }
 148
 149                 /* lets do it */
 150
 151                 vector<string> upaths = sfbrowser->get_paths ();
 152                 for (vector<string>::iterator x = upaths.begin(); x != upaths.end(); ++x) {
 153                         paths.push_back (*x);
 154                 }
 155
 156                 ImportPosition pos = sfbrowser->get_position ();
 157                 ImportMode mode = sfbrowser->get_mode ();
 158                 ImportDisposition chns = sfbrowser->get_channel_disposition ();
 159                 framepos_t where;
 160
 161                 switch (pos) {
 162                         case ImportAtEditPoint:
 163                                 where = get_preferred_edit_position ();
 164                                 break;
 165                         case ImportAtTimestamp:
 166                                 where = -1;
 167                                 break;
 168                         case ImportAtPlayhead:
 169                                 where = playhead_cursor->current_frame;
 170                                 break;
 171                         case ImportAtStart:
 172                                 where = _session->current_start_frame();
 173                                 break;
 174                 }
 175
 176                 SrcQuality quality = sfbrowser->get_src_quality();
 177
 178
 179                 if (sfbrowser->copy_files_btn.get_active()) {
 180                         do_import (paths, chns, mode, quality, where);
 181                 } else {
 182                         do_embed (paths, chns, mode, where);
 183                 }
 184
 185                 if (response == RESPONSE_APPLY) {
 186                         sfbrowser->clear_selection ();
 187                         keepRunning = true;
 188                 }
 189
 190         } while (keepRunning);
 191 }
 192
 193 void
 194 Editor::session_import_dialog ()
 195 {
 196         SessionImportDialog dialog (_session);
 197         ensure_float (dialog);
 198         dialog.run ();
 199 }
 200
 201 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 202
 203 /**
 204  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
 205  *
 206  * all_or_nothing:
 207  *   true  = show "Update", "Import" and "Skip"
 208  *   false = show "Import", and "Cancel"
 209  *
 210  * Returns:
 211  *     0  To update an existing source of the same name
 212  *     1  To import/embed the file normally (make sure the new name will be unique)
 213  *     2  If the user wants to skip this file
 214  **/
 215 int
 216 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 217 {
 218         string wave_name (Glib::path_get_basename(path));
 219
 220         SourceMap all_sources = _session->get_sources();
 221         bool wave_name_exists = false;
 222
 223         for (SourceMap::iterator i = all_sources.begin(); i != all_sources.end(); ++i) {
 224                 string tmp (Glib::path_get_basename (i->second->path()));
 225                 if (tmp == wave_name) {
 226                         wave_name_exists = true;
 227                         break;
 228                 }
 229         }
 230
 231         int function = 1;
 232
 233         if (wave_name_exists) {
 234                 string message;
 235                 if (all_or_nothing) {
 236                         // updating is still disabled
 237                         //message = string_compose(_("The session already contains a source file named %1. Do you want to update that file (and thus all regions using the file) or import this file as a new file?"),wave_name);
 238                         message = string_compose (_("The session already contains a source file named %1.  Do you want to import %1 as a new file, or skip it?"), wave_name);
 239                 } else {
 240                         message = string_compose (_("The session already contains a source file named %1.  Do you want to import %2 as a new source, or skip it?"), wave_name, wave_name);
 241
 242                 }
 243                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 244
 245                 if (all_or_nothing) {
 246                         // disabled
 247                         //dialog.add_button("Update", 0);
 248                         dialog.add_button("Import", 1);
 249                         dialog.add_button("Skip",   2);
 250                 } else {
 251                         dialog.add_button("Import", 1);
 252                         dialog.add_button("Cancel", 2);
 253                 }
 254
 255                 //dialog.add_button("Skip all", 4); // All or rest?
 256
 257                 dialog.show();
 258
 259                 function = dialog.run ();
 260
 261                 dialog.hide();
 262         }
 263
 264         return function;
 265 }
 266
 267 boost::shared_ptr<AudioTrack>
 268 Editor::get_nth_selected_audio_track (int nth) const
 269 {
 270         AudioTimeAxisView* atv;
 271         TrackSelection::iterator x;
 272
 273         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 274
 275                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 276
 277                 if (!atv) {
 278                         continue;
 279                 } else if (atv->is_audio_track()) {
 280                         --nth;
 281                 }
 282         }
 283
 284         if (x == selection->tracks.end()) {
 285                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 286         } else {
 287                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 288         }
 289
 290         if (!atv || !atv->is_audio_track()) {
 291                 return boost::shared_ptr<AudioTrack>();
 292         }
 293
 294         return atv->audio_track();
 295 }
 296
 297 boost::shared_ptr<MidiTrack>
 298 Editor::get_nth_selected_midi_track (int nth) const
 299 {
 300         MidiTimeAxisView* mtv;
 301         TrackSelection::iterator x;
 302
 303         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 304
 305                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 306
 307                 if (!mtv) {
 308                         continue;
 309                 } else if (mtv->is_midi_track()) {
 310                         --nth;
 311                 }
 312         }
 313
 314         if (x == selection->tracks.end()) {
 315                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 316         } else {
 317                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 318         }
 319
 320         if (!mtv || !mtv->is_midi_track()) {
 321                 return boost::shared_ptr<MidiTrack>();
 322         }
 323
 324         return mtv->midi_track();
 325 }
 326
 327 void
 328 Editor::do_import (vector<string> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, 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         /* check for existing wholefile regions of the same name,
 512            which can happen when we import foo.wav but end up with foo-L.wav
 513            and foo-R.wav inside the session. this case doesn't trigger
 514            source name collisions, so we have to catch it at the region
 515            name level.
 516         */
 517
 518         string region_name = region_name_from_path (paths.front(), true, false);
 519
 520         if (RegionFactory::wholefile_region_by_name (region_name)) {
 521                 string message = string_compose ( _("You appear to have already imported this file, since a region called %1 already exists.\nDo you really want to import it again?"),
 522                                                   region_name);
 523                 MessageDialog dialog (message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_OK_CANCEL, true);
 524                 int ret;
 525
 526                 dialog.show ();
 527                 ret = dialog.run ();
 528                 dialog.hide ();
 529
 530                 if (ret != RESPONSE_OK) {
 531                         return -1;
 532                 }
 533
 534                 int l = 0;
 535
 536                 while (RegionFactory::region_by_name (region_name) && ++l < 999) {
 537                         region_name = bump_name_once (region_name, '.');
 538                 }
 539
 540                 if (l == 999) {
 541                         error << string_compose (_("Too many regions already named something like \"%1\""), paths.front()) << endmsg;
 542                         return -1;
 543                 }
 544         }
 545
 546         import_status.paths = paths;
 547         import_status.done = false;
 548         import_status.cancel = false;
 549         import_status.freeze = false;
 550         import_status.quality = quality;
 551         import_status.replace_existing_source = replace;
 552
 553         import_status.mode = mode;
 554         import_status.pos = pos;
 555         import_status.target_tracks = target_tracks;
 556         import_status.target_regions = target_regions;
 557         import_status.track = track;
 558         import_status.replace = replace;
 559
 560         set_canvas_cursor (wait_cursor);
 561         gdk_flush ();
 562
 563         /* start import thread for this spec. this will ultimately call Session::import_audiofiles()
 564            which, if successful, will add the files as regions to the region list. its up to us
 565            (the GUI) to direct additional steps after that.
 566         */
 567
 568         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 569         pthread_detach (import_status.thread);
 570
 571         while (!import_status.done && !import_status.cancel) {
 572                 gtk_main_iteration ();
 573         }
 574
 575         import_status.done = true;
 576
 577         int result = -1;
 578
 579         if (!import_status.cancel && !import_status.sources.empty()) {
 580                 result = add_sources (
 581                         import_status.paths,
 582                         import_status.sources,
 583                         import_status.pos,
 584                         import_status.mode,
 585                         import_status.target_regions,
 586                         import_status.target_tracks,
 587                         track, false
 588                         );
 589
 590                 /* update position from results */
 591
 592                 pos = import_status.pos;
 593         }
 594
 595         set_canvas_cursor (current_canvas_cursor);
 596         return result;
 597 }
 598
 599 int
 600 Editor::embed_sndfiles (vector<string> paths, bool multifile,
 601                         bool& check_sample_rate, ImportMode mode, framepos_t& pos, int target_regions, int target_tracks,
 602                         boost::shared_ptr<Track>& track)
 603 {
 604         boost::shared_ptr<AudioFileSource> source;
 605         SourceList sources;
 606         string linked_path;
 607         SoundFileInfo finfo;
 608         int ret = 0;
 609         string path_to_use;
 610
 611         set_canvas_cursor (wait_cursor);
 612         gdk_flush ();
 613
 614         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
 615
 616                 string path = *p;
 617
 618                 if (Config->get_try_link_for_embed()) {
 619
 620                         /* lets see if we can link it into the session */
 621
 622                         sys::path tmp = _session->session_directory().sound_path() / Glib::path_get_basename(path);
 623                         linked_path = tmp.to_string();
 624
 625                         path_to_use = linked_path;
 626
 627                         if (link (path.c_str(), linked_path.c_str()) == 0) {
 628
 629                                 /* there are many reasons why link(2) might have failed.
 630                                    but if it succeeds, we now have a link in the
 631                                    session sound dir that will protect against
 632                                    unlinking of the original path. nice.
 633                                 */
 634
 635                                 path = linked_path;
 636                                 path_to_use = Glib::path_get_basename (path);
 637
 638                         } else {
 639
 640                                 /* one possible reason is that its already linked */
 641
 642                                 if (errno == EEXIST) {
 643                                         struct stat sb;
 644
 645                                         if (stat (linked_path.c_str(), &sb) == 0) {
 646                                                 if (sb.st_nlink > 1) { // its a hard link, assume its the one we want
 647                                                         path = linked_path;
 648                                                         path_to_use = Glib::path_get_basename (path);
 649                                                 }
 650                                         }
 651                                 }
 652                         }
 653                 }
 654
 655                 /* note that we temporarily truncated _id at the colon */
 656
 657                 string error_msg;
 658
 659                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 660                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 661                         goto out;
 662                 }
 663
 664                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 665                         vector<string> choices;
 666
 667                         if (multifile) {
 668                                 choices.push_back (_("Cancel entire import"));
 669                                 choices.push_back (_("Don't embed it"));
 670                                 choices.push_back (_("Embed all without questions"));
 671
 672                                 Gtkmm2ext::Choice rate_choice (
 673                                         _("Sample rate"),
 674                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 675                                                         short_path (path, 40)),
 676                                         choices, false
 677                                         );
 678
 679                                 int resx = rate_choice.run ();
 680
 681                                 switch (resx) {
 682                                 case 0: /* stop a multi-file import */
 683                                         ret = -2;
 684                                         goto out;
 685                                 case 1: /* don't embed this one */
 686                                         ret = -1;
 687                                         goto out;
 688                                 case 2: /* do it, and the rest without asking */
 689                                         check_sample_rate = false;
 690                                         break;
 691                                 case 3: /* do it */
 692                                         break;
 693                                 default:
 694                                         ret = -2;
 695                                         goto out;
 696                                 }
 697                         } else {
 698                                 choices.push_back (_("Cancel"));
 699                                 choices.push_back (_("Embed it anyway"));
 700
 701                                 Gtkmm2ext::Choice rate_choice (
 702                                         _("Sample rate"),
 703                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 704                                         choices, false
 705                                         );
 706
 707                                 int resx = rate_choice.run ();
 708
 709                                 switch (resx) {
 710                                 case 0: /* don't import */
 711                                         ret = -1;
 712                                         goto out;
 713                                 case 1: /* do it */
 714                                         break;
 715                                 default:
 716                                         ret = -2;
 717                                         goto out;
 718                                 }
 719                         }
 720                 }
 721
 722                 set_canvas_cursor (wait_cursor);
 723
 724                 for (int n = 0; n < finfo.channels; ++n) {
 725                         try {
 726
 727                                 /* check if we have this thing embedded already */
 728
 729                                 boost::shared_ptr<Source> s;
 730
 731                                 if ((s = _session->source_by_path_and_channel (path, n)) == 0) {
 732
 733                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 734                                                 SourceFactory::createReadable (DataType::AUDIO, *_session,
 735                                                                                path_to_use, n,
 736                                                                                (mode == ImportAsTapeTrack
 737                                                                                 ? Source::Destructive
 738                                                                                 : Source::Flag (0)),
 739                                                                         true, true));
 740                                 } else {
 741                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 742                                 }
 743
 744                                 sources.push_back(source);
 745                         }
 746
 747                         catch (failed_constructor& err) {
 748                                 error << string_compose(_("could not open %1"), path) << endmsg;
 749                                 goto out;
 750                         }
 751
 752                         ARDOUR_UI::instance()->flush_pending ();
 753                 }
 754         }
 755
 756         if (sources.empty()) {
 757                 goto out;
 758         }
 759
 760         ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
 761
 762   out:
 763         set_canvas_cursor (current_canvas_cursor);
 764         return ret;
 765 }
 766
 767 int
 768 Editor::add_sources (vector<string> paths, SourceList& sources, framepos_t& pos, ImportMode mode,
 769                      int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
 770 {
 771         vector<boost::shared_ptr<Region> > regions;
 772         string region_name;
 773         uint32_t input_chan = 0;
 774         uint32_t output_chan = 0;
 775         bool use_timestamp;
 776
 777         use_timestamp = (pos == -1);
 778
 779         // kludge (for MIDI we're abusing "channel" for "track" here)
 780         if (SMFSource::safe_midi_file_extension (paths.front())) {
 781                 target_regions = -1;
 782         }
 783
 784         if (target_regions == 1) {
 785
 786                 /* take all the sources we have and package them up as a region */
 787
 788                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 789
 790                 /* we checked in import_sndfiles() that there were not too many */
 791
 792                 while (RegionFactory::region_by_name (region_name)) {
 793                         region_name = bump_name_once (region_name, '.');
 794                 }
 795
 796                 PropertyList plist;
 797
 798                 plist.add (ARDOUR::Properties::start, 0);
 799                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 800                 plist.add (ARDOUR::Properties::name, region_name);
 801                 plist.add (ARDOUR::Properties::layer, 0);
 802                 plist.add (ARDOUR::Properties::whole_file, true);
 803                 plist.add (ARDOUR::Properties::external, true);
 804
 805                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 806
 807                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 808                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 809                 }
 810
 811                 regions.push_back (r);
 812
 813
 814         } else if (target_regions == -1 || target_regions > 1) {
 815
 816                 /* take each source and create a region for each one */
 817
 818                 SourceList just_one;
 819                 SourceList::iterator x;
 820                 uint32_t n;
 821
 822                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 823
 824                         just_one.clear ();
 825                         just_one.push_back (*x);
 826
 827                         region_name = region_name_from_path ((*x)->path(), false, false, sources.size(), n);
 828
 829                         PropertyList plist;
 830
 831                         plist.add (ARDOUR::Properties::start, 0);
 832                         plist.add (ARDOUR::Properties::length, (*x)->length (pos));
 833                         plist.add (ARDOUR::Properties::name, region_name);
 834                         plist.add (ARDOUR::Properties::layer, 0);
 835                         plist.add (ARDOUR::Properties::whole_file, true);
 836                         plist.add (ARDOUR::Properties::external, true);
 837
 838                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 839
 840                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 841                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 842                         }
 843
 844                         regions.push_back (r);
 845                 }
 846         }
 847
 848         if (target_regions == 1) {
 849                 input_chan = regions.front()->n_channels();
 850         } else {
 851                 if (target_tracks == 1) {
 852                         input_chan = regions.size();
 853                 } else {
 854                         input_chan = 1;
 855                 }
 856         }
 857
 858         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 859                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 860         } else {
 861                 output_chan = input_chan;
 862         }
 863
 864         int n = 0;
 865         framepos_t rlen = 0;
 866
 867         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 868
 869                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 870
 871                 if (use_timestamp && ar) {
 872
 873                         /* get timestamp for this region */
 874
 875                         const boost::shared_ptr<Source> s (ar->sources().front());
 876                         const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 877
 878                         assert (as);
 879
 880                         if (as->natural_position() != 0) {
 881                                 pos = as->natural_position();
 882                         } else if (target_tracks == 1) {
 883                                 /* hmm, no timestamp available, put it after the previous region
 884                                  */
 885                                 if (n == 0) {
 886                                         pos = get_preferred_edit_position ();
 887                                 } else {
 888                                         pos += rlen;
 889                                 }
 890                         } else {
 891                                 pos = get_preferred_edit_position ();
 892                         }
 893
 894                 }
 895
 896                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track);
 897
 898                 rlen = (*r)->length();
 899
 900                 if (target_tracks != 1) {
 901                         track.reset ();
 902                 } else {
 903                         if (!use_timestamp || !ar) {
 904                                 /* line each one up right after the other */
 905                                 pos += (*r)->length();
 906                         }
 907                 }
 908         }
 909
 910         /* setup peak file building in another thread */
 911
 912         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 913                 SourceFactory::setup_peakfile (*x, true);
 914         }
 915
 916         return 0;
 917 }
 918
 919 int
 920 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, framepos_t& pos,
 921                                   ImportMode mode, boost::shared_ptr<Track>& existing_track)
 922 {
 923         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 924         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 925
 926         switch (mode) {
 927         case ImportAsRegion:
 928                 /* relax, its been done */
 929                 break;
 930
 931         case ImportToTrack:
 932         {
 933                 if (!existing_track) {
 934
 935                         if (ar) {
 936                                 existing_track = get_nth_selected_audio_track (0);
 937                         } else if (mr) {
 938                                 existing_track = get_nth_selected_midi_track (0);
 939                         }
 940
 941                         if (!existing_track) {
 942                                 return -1;
 943                         }
 944                 }
 945
 946                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 947                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 948                 begin_reversible_command (_("insert file"));
 949                 playlist->clear_changes ();
 950                 playlist->add_region (copy, pos);
 951                 _session->add_command (new StatefulDiffCommand (playlist));
 952                 commit_reversible_command ();
 953                 break;
 954         }
 955
 956         case ImportAsTrack:
 957         {
 958                 if (!existing_track) {
 959                         if (ar) {
 960                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
 961
 962                                 if (at.empty()) {
 963                                         return -1;
 964                                 }
 965
 966                                 existing_track = at.front();
 967                         } else if (mr) {
 968                                 list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (Normal, 0, 1));
 969
 970                                 if (mt.empty()) {
 971                                         return -1;
 972                                 }
 973
 974                                 existing_track = mt.front();
 975                         }
 976
 977                         existing_track->set_name (region->name());
 978                 }
 979
 980                 boost::shared_ptr<Region> copy (RegionFactory::create (region));
 981                 existing_track->playlist()->add_region (copy, pos);
 982                 break;
 983         }
 984
 985
 986         case ImportAsTapeTrack:
 987         {
 988                 if (!ar)
 989                         return -1;
 990
 991                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
 992                 if (!at.empty()) {
 993                         boost::shared_ptr<Region> copy (RegionFactory::create (region));
 994                         at.front()->set_name (basename_nosuffix (copy->name()));
 995                         at.front()->playlist()->add_region (copy, pos);
 996                 }
 997                 break;
 998         }
 999         }
1000
1001         return 0;
1002 }
1003
1004 void *
1005 Editor::_import_thread (void *arg)
1006 {
1007         SessionEvent::create_per_thread_pool ("import events", 64);
1008
1009         Editor *ed = (Editor *) arg;
1010         return ed->import_thread ();
1011 }
1012
1013 void *
1014 Editor::import_thread ()
1015 {
1016         _session->import_audiofiles (import_status);
1017         pthread_exit_pbd (0);
1018         /*NOTREACHED*/
1019         return 0;
1020 }