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 "cursor_context.h"
  50 #include "editor.h"
  51 #include "sfdb_ui.h"
  52 #include "editing.h"
  53 #include "audio_time_axis.h"
  54 #include "midi_time_axis.h"
  55 #include "session_import_dialog.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 "pbd/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 (_("Add Existing Media"), _session, 0, 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 (_("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 void
 136 Editor::session_import_dialog ()
 137 {
 138         SessionImportDialog dialog (_session);
 139         dialog.run ();
 140 }
 141
 142 typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
 143
 144 /**
 145  * Updating is still disabled, see note in libs/ardour/import.cc Session::import_files()
 146  *
 147  * all_or_nothing:
 148  *   true  = show "Update", "Import" and "Skip"
 149  *   false = show "Import", and "Cancel"
 150  *
 151  * Returns:
 152  *     0  To update an existing source of the same name
 153  *     1  To import/embed the file normally (make sure the new name will be unique)
 154  *     2  If the user wants to skip this file
 155  **/
 156 int
 157 Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
 158 {
 159         string wave_name (Glib::path_get_basename(path));
 160
 161         bool already_exists = false;
 162         uint32_t existing;
 163
 164         if ((existing = _session->count_sources_by_origin (path)) > 0) {
 165                 already_exists = true;
 166         }
 167
 168         int function = 1;
 169
 170         if (already_exists) {
 171                 string message;
 172                 if (all_or_nothing) {
 173                         // updating is still disabled
 174                         //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);
 175                         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);
 176                 } else {
 177                         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);
 178
 179                 }
 180                 MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
 181
 182                 if (all_or_nothing) {
 183                         // disabled
 184                         //dialog.add_button("Update", 0);
 185                         dialog.add_button("Import", 1);
 186                         dialog.add_button("Skip",   2);
 187                 } else {
 188                         dialog.add_button("Import", 1);
 189                         dialog.add_button("Cancel", 2);
 190                 }
 191
 192                 //dialog.add_button("Skip all", 4); // All or rest?
 193
 194                 dialog.show();
 195
 196                 function = dialog.run ();
 197
 198                 dialog.hide();
 199         }
 200
 201         return function;
 202 }
 203
 204 boost::shared_ptr<AudioTrack>
 205 Editor::get_nth_selected_audio_track (int nth) const
 206 {
 207         AudioTimeAxisView* atv;
 208         TrackSelection::iterator x;
 209
 210         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 211
 212                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 213
 214                 if (!atv) {
 215                         continue;
 216                 } else if (atv->is_audio_track()) {
 217                         --nth;
 218                 }
 219         }
 220
 221         if (x == selection->tracks.end()) {
 222                 atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
 223         } else {
 224                 atv = dynamic_cast<AudioTimeAxisView*>(*x);
 225         }
 226
 227         if (!atv || !atv->is_audio_track()) {
 228                 return boost::shared_ptr<AudioTrack>();
 229         }
 230
 231         return atv->audio_track();
 232 }
 233
 234 boost::shared_ptr<MidiTrack>
 235 Editor::get_nth_selected_midi_track (int nth) const
 236 {
 237         MidiTimeAxisView* mtv;
 238         TrackSelection::iterator x;
 239
 240         for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 241
 242                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 243
 244                 if (!mtv) {
 245                         continue;
 246                 } else if (mtv->is_midi_track()) {
 247                         --nth;
 248                 }
 249         }
 250
 251         if (x == selection->tracks.end()) {
 252                 mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
 253         } else {
 254                 mtv = dynamic_cast<MidiTimeAxisView*>(*x);
 255         }
 256
 257         if (!mtv || !mtv->is_midi_track()) {
 258                 return boost::shared_ptr<MidiTrack>();
 259         }
 260
 261         return mtv->midi_track();
 262 }
 263
 264 void
 265 Editor::do_import (vector<string>        paths,
 266                    ImportDisposition     disposition,
 267                    ImportMode            mode,
 268                    SrcQuality            quality,
 269                    MidiTrackNameSource   midi_track_name_source,
 270                    MidiTempoMapDisposition smf_tempo_disposition,
 271                    framepos_t&           pos,
 272                    ARDOUR::PluginInfoPtr instrument)
 273 {
 274         boost::shared_ptr<Track> track;
 275         vector<string> to_import;
 276         int nth = 0;
 277         bool use_timestamp = (pos == -1);
 278
 279         current_interthread_info = &import_status;
 280         import_status.current = 1;
 281         import_status.total = paths.size ();
 282         import_status.all_done = false;
 283         import_status.midi_track_name_source = midi_track_name_source;
 284
 285         ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
 286
 287         bool ok = true;
 288
 289         if (disposition == Editing::ImportMergeFiles) {
 290
 291                 /* create 1 region from all paths, add to 1 track,
 292                    ignore "track"
 293                 */
 294
 295                 bool cancel = false;
 296                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 297                         int check = check_whether_and_how_to_import(*a, false);
 298                         if (check == 2) {
 299                                 cancel = true;
 300                                 break;
 301                         }
 302                 }
 303
 304                 if (cancel) {
 305                         ok = false;
 306                 } else {
 307                         ipw.show ();
 308                         ok = (import_sndfiles (paths, disposition, mode, quality, pos, 1, 1, track, false, instrument) == 0);
 309                         import_status.sources.clear();
 310                 }
 311
 312         } else {
 313
 314                 bool replace = false;
 315
 316                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 317
 318                         const int check = check_whether_and_how_to_import (*a, true);
 319
 320                         switch (check) {
 321                         case 2:
 322                                 // user said skip
 323                                 continue;
 324                         case 0:
 325                                 fatal << "Updating existing sources should be disabled!" << endmsg;
 326                                 abort(); /* NOTREACHED*/
 327                                 break;
 328                         case 1:
 329                                 replace = false;
 330                                 break;
 331                         default:
 332                                 fatal << "Illegal return " << check <<  " from check_whether_and_how_to_import()!" << endmsg;
 333                                 abort(); /* NOTREACHED*/
 334                         }
 335
 336                         /* have to reset this for every file we handle */
 337
 338                         if (use_timestamp) {
 339                                 pos = -1;
 340                         }
 341
 342                         ipw.show ();
 343
 344                         switch (disposition) {
 345                         case Editing::ImportDistinctFiles:
 346
 347                                 to_import.clear ();
 348                                 to_import.push_back (*a);
 349
 350                                 if (mode == Editing::ImportToTrack) {
 351                                         track = get_nth_selected_audio_track (nth++);
 352                                 }
 353
 354                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, -1, track, replace, instrument) == 0);
 355                                 import_status.sources.clear();
 356                                 break;
 357
 358                         case Editing::ImportDistinctChannels:
 359
 360                                 to_import.clear ();
 361                                 to_import.push_back (*a);
 362
 363                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, -1, -1, track, replace, instrument) == 0);
 364                                 import_status.sources.clear();
 365                                 break;
 366
 367                         case Editing::ImportSerializeFiles:
 368
 369                                 to_import.clear ();
 370                                 to_import.push_back (*a);
 371
 372                                 ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, 1, track, replace, instrument) == 0);
 373                                 import_status.sources.clear();
 374                                 break;
 375
 376                         case Editing::ImportMergeFiles:
 377                                 // Not entered, handled in earlier if() branch
 378                                 break;
 379                         }
 380                 }
 381         }
 382
 383         if (ok) {
 384                 _session->save_state ("");
 385         }
 386
 387         import_status.all_done = true;
 388 }
 389
 390 void
 391 Editor::do_embed (vector<string> paths, ImportDisposition import_as, ImportMode mode, framepos_t& pos, ARDOUR::PluginInfoPtr instrument)
 392 {
 393         boost::shared_ptr<Track> track;
 394         bool check_sample_rate = true;
 395         bool ok = false;
 396         vector<string> to_embed;
 397         bool multi = paths.size() > 1;
 398         int nth = 0;
 399         bool use_timestamp = (pos == -1);
 400
 401         switch (import_as) {
 402         case Editing::ImportDistinctFiles:
 403                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 404
 405                         /* have to reset this for every file we handle */
 406                         if (use_timestamp) {
 407                                 pos = -1;
 408                         }
 409
 410                         to_embed.clear ();
 411                         to_embed.push_back (*a);
 412
 413                         if (mode == Editing::ImportToTrack) {
 414                                 track = get_nth_selected_audio_track (nth++);
 415                         }
 416
 417                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, -1, track, instrument) < -1) {
 418                                 goto out;
 419                         }
 420                 }
 421                 break;
 422
 423         case Editing::ImportDistinctChannels:
 424                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 425
 426                         /* have to reset this for every file we handle */
 427                         if (use_timestamp) {
 428                                 pos = -1;
 429                         }
 430
 431                         to_embed.clear ();
 432                         to_embed.push_back (*a);
 433
 434                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, -1, -1, track, instrument) < -1) {
 435                                 goto out;
 436                         }
 437                 }
 438                 break;
 439
 440         case Editing::ImportMergeFiles:
 441                 if (embed_sndfiles (paths, multi, check_sample_rate, import_as, mode, pos, 1, 1, track, instrument) < -1) {
 442                         goto out;
 443                 }
 444                 break;
 445
 446         case Editing::ImportSerializeFiles:
 447                 for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
 448
 449                         /* have to reset this for every file we handle */
 450                         if (use_timestamp) {
 451                                 pos = -1;
 452                         }
 453
 454                         to_embed.clear ();
 455                         to_embed.push_back (*a);
 456
 457                         if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, 1, track, instrument) < -1) {
 458                                 goto out;
 459                         }
 460                 }
 461                 break;
 462         }
 463
 464         ok = true;
 465
 466   out:
 467         if (ok) {
 468                 _session->save_state ("");
 469         }
 470 }
 471
 472 int
 473 Editor::import_sndfiles (vector<string>            paths,
 474                          ImportDisposition         disposition,
 475                          ImportMode                mode,
 476                          SrcQuality                quality,
 477                          framepos_t&               pos,
 478                          int                       target_regions,
 479                          int                       target_tracks,
 480                          boost::shared_ptr<Track>& track,
 481                          bool                      replace,
 482                          ARDOUR::PluginInfoPtr     instrument)
 483 {
 484         import_status.paths = paths;
 485         import_status.done = false;
 486         import_status.cancel = false;
 487         import_status.freeze = false;
 488         import_status.quality = quality;
 489         import_status.replace_existing_source = replace;
 490         import_status.split_midi_channels = (disposition == Editing::ImportDistinctChannels);
 491
 492         import_status.mode = mode;
 493         import_status.pos = pos;
 494         import_status.target_tracks = target_tracks;
 495         import_status.target_regions = target_regions;
 496         import_status.track = track;
 497         import_status.replace = replace;
 498
 499         CursorContext::Handle cursor_ctx = CursorContext::create(*this, _cursors->wait);
 500         gdk_flush ();
 501
 502         /* start import thread for this spec. this will ultimately call Session::import_files()
 503            which, if successful, will add the files as regions to the region list. its up to us
 504            (the GUI) to direct additional steps after that.
 505         */
 506
 507         pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
 508         pthread_detach (import_status.thread);
 509
 510         while (!import_status.done && !import_status.cancel) {
 511                 gtk_main_iteration ();
 512         }
 513
 514         // wait for thread to terminate
 515         while (!import_status.done) {
 516                 gtk_main_iteration ();
 517         }
 518
 519         int result = -1;
 520
 521         if (!import_status.cancel && !import_status.sources.empty()) {
 522                 result = add_sources (
 523                         import_status.paths,
 524                         import_status.sources,
 525                         import_status.pos,
 526                         disposition,
 527                         import_status.mode,
 528                         import_status.target_regions,
 529                         import_status.target_tracks,
 530                         track, false, instrument
 531                         );
 532
 533                 /* update position from results */
 534
 535                 pos = import_status.pos;
 536         }
 537
 538         return result;
 539 }
 540
 541 int
 542 Editor::embed_sndfiles (vector<string>            paths,
 543                         bool                      multifile,
 544                         bool&                     check_sample_rate,
 545                         ImportDisposition         disposition,
 546                         ImportMode                mode,
 547                         framepos_t&               pos,
 548                         int                       target_regions,
 549                         int                       target_tracks,
 550                         boost::shared_ptr<Track>& track,
 551                         ARDOUR::PluginInfoPtr     instrument)
 552 {
 553         boost::shared_ptr<AudioFileSource> source;
 554         SourceList sources;
 555         string linked_path;
 556         SoundFileInfo finfo;
 557
 558         CursorContext::Handle cursor_ctx = CursorContext::create(*this, _cursors->wait);
 559         gdk_flush ();
 560
 561         for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
 562
 563                 string path = *p;
 564                 string error_msg;
 565
 566                 /* note that we temporarily truncated _id at the colon */
 567
 568                 if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
 569                         error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
 570                         return -3;
 571                 }
 572
 573                 if (check_sample_rate  && (finfo.samplerate != (int) _session->frame_rate())) {
 574                         vector<string> choices;
 575
 576                         if (multifile) {
 577                                 choices.push_back (_("Cancel entire import"));
 578                                 choices.push_back (_("Don't embed it"));
 579                                 choices.push_back (_("Embed all without questions"));
 580
 581                                 Gtkmm2ext::Choice rate_choice (
 582                                         _("Sample rate"),
 583                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
 584                                                         short_path (path, 40)),
 585                                         choices, false
 586                                         );
 587
 588                                 int resx = rate_choice.run ();
 589
 590                                 switch (resx) {
 591                                 case 0: /* stop a multi-file import */
 592                                         return -2;
 593                                 case 1: /* don't embed this one */
 594                                         return -1;
 595                                 case 2: /* do it, and the rest without asking */
 596                                         check_sample_rate = false;
 597                                         break;
 598                                 case 3: /* do it */
 599                                         break;
 600                                 default:
 601                                         return -2;
 602                                 }
 603                         } else {
 604                                 choices.push_back (_("Cancel"));
 605                                 choices.push_back (_("Embed it anyway"));
 606
 607                                 Gtkmm2ext::Choice rate_choice (
 608                                         _("Sample rate"),
 609                                         string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
 610                                         choices, false
 611                                         );
 612
 613                                 int resx = rate_choice.run ();
 614
 615                                 switch (resx) {
 616                                 case 0: /* don't import */
 617                                         return -1;
 618                                 case 1: /* do it */
 619                                         break;
 620                                 default:
 621                                         return -2;
 622                                 }
 623                         }
 624                 }
 625
 626                 for (int n = 0; n < finfo.channels; ++n) {
 627
 628                         try {
 629
 630                                 /* check if we have this thing embedded already */
 631
 632                                 boost::shared_ptr<Source> s;
 633
 634                                 if ((s = _session->audio_source_by_path_and_channel (path, n)) == 0) {
 635
 636                                         source = boost::dynamic_pointer_cast<AudioFileSource> (
 637                                                 SourceFactory::createExternal (DataType::AUDIO, *_session,
 638                                                                                path, n,
 639                                                                                (mode == ImportAsTapeTrack
 640                                                                                 ? Source::Destructive
 641                                                                                 : Source::Flag (0)),
 642                                                                         true, true));
 643                                 } else {
 644                                         source = boost::dynamic_pointer_cast<AudioFileSource> (s);
 645                                 }
 646
 647                                 sources.push_back(source);
 648                         }
 649
 650                         catch (failed_constructor& err) {
 651                                 error << string_compose(_("could not open %1"), path) << endmsg;
 652                                 return -3;
 653                         }
 654
 655                         gtk_main_iteration();
 656                 }
 657         }
 658
 659         if (!sources.empty()) {
 660                 return add_sources (paths, sources, pos, disposition, mode, target_regions, target_tracks, track, true, instrument);
 661         }
 662
 663         return 0;
 664 }
 665
 666 int
 667 Editor::add_sources (vector<string>            paths,
 668                      SourceList&               sources,
 669                      framepos_t&               pos,
 670                      ImportDisposition         disposition,
 671                      ImportMode                mode,
 672                      int                       target_regions,
 673                      int                       target_tracks,
 674                      boost::shared_ptr<Track>& track,
 675                      bool                      /*add_channel_suffix*/,
 676                      ARDOUR::PluginInfoPtr     instrument)
 677 {
 678         vector<boost::shared_ptr<Region> > regions;
 679         string region_name;
 680         uint32_t input_chan = 0;
 681         uint32_t output_chan = 0;
 682         bool use_timestamp;
 683         vector<string> track_names;
 684
 685         use_timestamp = (pos == -1);
 686
 687         // kludge (for MIDI we're abusing "channel" for "track" here)
 688         if (SMFSource::safe_midi_file_extension (paths.front())) {
 689                 target_regions = -1;
 690         }
 691
 692         if (target_regions == 1) {
 693
 694                 /* take all the sources we have and package them up as a region */
 695
 696                 region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
 697
 698                 /* we checked in import_sndfiles() that there were not too many */
 699
 700                 while (RegionFactory::region_by_name (region_name)) {
 701                         region_name = bump_name_once (region_name, '.');
 702                 }
 703
 704                 PropertyList plist;
 705
 706                 plist.add (ARDOUR::Properties::start, 0);
 707                 plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
 708                 plist.add (ARDOUR::Properties::name, region_name);
 709                 plist.add (ARDOUR::Properties::layer, 0);
 710                 plist.add (ARDOUR::Properties::whole_file, true);
 711                 plist.add (ARDOUR::Properties::external, true);
 712
 713                 boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
 714
 715                 if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 716                         boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
 717                 }
 718
 719                 regions.push_back (r);
 720
 721                 /* if we're creating a new track, name it after the cleaned-up
 722                  * and "merged" region name.
 723                  */
 724
 725                 track_names.push_back (region_name);
 726
 727         } else if (target_regions == -1 || target_regions > 1) {
 728
 729                 /* take each source and create a region for each one */
 730
 731                 SourceList just_one;
 732                 SourceList::iterator x;
 733                 uint32_t n;
 734
 735                 for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 736
 737                         just_one.clear ();
 738                         just_one.push_back (*x);
 739
 740                         boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (*x);
 741
 742                         if (sources.size() > 1 && disposition == ImportDistinctChannels) {
 743
 744                                 /* generate a per-channel region name so that things work as
 745                                  * intended
 746                                  */
 747
 748                                 string path;
 749
 750                                 if (fs) {
 751                                         region_name = basename_nosuffix (fs->path());
 752                                 } else {
 753                                         region_name = (*x)->name();
 754                                 }
 755
 756                                 if (sources.size() == 2) {
 757                                         if (n == 0) {
 758                                                 region_name += "-L";
 759                                         } else {
 760                                                 region_name += "-R";
 761                                         }
 762                                 } else if (sources.size() > 2) {
 763                                         region_name += string_compose ("-%1", n+1);
 764                                 }
 765
 766                                 track_names.push_back (region_name);
 767
 768                         } else {
 769                                 if (fs) {
 770                                         region_name = region_name_from_path (fs->path(), false, false, sources.size(), n);
 771                                 } else {
 772                                         region_name = (*x)->name();
 773                                 }
 774
 775                                 if (SMFSource::safe_midi_file_extension (paths.front())) {
 776                                         string track_name = string_compose ("%1-t%2", PBD::basename_nosuffix (fs->path()), (n + 1));
 777                                         track_names.push_back (track_name);
 778                                 } else {
 779                                         track_names.push_back (PBD::basename_nosuffix (paths[n]));
 780                                 }
 781                         }
 782
 783                         PropertyList plist;
 784
 785                         /* Fudge region length to ensure it is non-zero; make it 1 beat at 120bpm
 786                            for want of a better idea.  It can't be too small, otherwise if this
 787                            is a MIDI region the conversion from frames -> beats -> frames will
 788                            round it back down to 0 again.
 789                         */
 790                         framecnt_t len = (*x)->length (pos);
 791                         if (len == 0) {
 792                                 len = (60.0 / 120.0) * _session->frame_rate ();
 793                         }
 794
 795                         plist.add (ARDOUR::Properties::start, 0);
 796                         plist.add (ARDOUR::Properties::length, len);
 797                         plist.add (ARDOUR::Properties::name, region_name);
 798                         plist.add (ARDOUR::Properties::layer, 0);
 799                         plist.add (ARDOUR::Properties::whole_file, true);
 800                         plist.add (ARDOUR::Properties::external, true);
 801
 802                         boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
 803
 804                         if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
 805                                 boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
 806                         }
 807
 808                         regions.push_back (r);
 809                 }
 810         }
 811
 812         if (target_regions == 1) {
 813                 input_chan = regions.front()->n_channels();
 814         } else {
 815                 if (target_tracks == 1) {
 816                         input_chan = regions.size();
 817                 } else {
 818                         input_chan = 1;
 819                 }
 820         }
 821
 822         if (Config->get_output_auto_connect() & AutoConnectMaster) {
 823                 output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
 824         } else {
 825                 output_chan = input_chan;
 826         }
 827
 828         int n = 0;
 829         framepos_t rlen = 0;
 830
 831         begin_reversible_command (Operations::insert_file);
 832
 833         /* we only use tracks names when importing to new tracks, but we
 834          * require that one is defined for every region, just to keep
 835          * the API simpler.
 836          */
 837         assert (regions.size() == track_names.size());
 838
 839         for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
 840                 boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
 841
 842                 if (use_timestamp) {
 843                         if (ar) {
 844
 845                                 /* get timestamp for this region */
 846
 847                                 const boost::shared_ptr<Source> s (ar->sources().front());
 848                                 const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
 849
 850                                 assert (as);
 851
 852                                 if (as->natural_position() != 0) {
 853                                         pos = as->natural_position();
 854                                 } else if (target_tracks == 1) {
 855                                         /* hmm, no timestamp available, put it after the previous region
 856                                          */
 857                                         if (n == 0) {
 858                                                 pos = get_preferred_edit_position ();
 859                                         } else {
 860                                                 pos += rlen;
 861                                         }
 862                                 } else {
 863                                         pos = get_preferred_edit_position ();
 864                                 }
 865                         } else {
 866                                 /* should really get first position in MIDI file, but for now, use edit position*/
 867                                 pos = get_preferred_edit_position ();
 868                         }
 869                 }
 870
 871                 finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track, track_names[n], instrument);
 872
 873                 rlen = (*r)->length();
 874
 875                 if (target_tracks != 1) {
 876                         track.reset ();
 877                 } else {
 878                         if (!use_timestamp || !ar) {
 879                                 /* line each one up right after the other */
 880                                 pos += (*r)->length();
 881                         }
 882                 }
 883         }
 884
 885         commit_reversible_command ();
 886
 887         /* setup peak file building in another thread */
 888
 889         for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
 890                 SourceFactory::setup_peakfile (*x, true);
 891         }
 892
 893         return 0;
 894 }
 895
 896 int
 897 Editor::finish_bringing_in_material (boost::shared_ptr<Region> region,
 898                                      uint32_t                  in_chans,
 899                                      uint32_t                  out_chans,
 900                                      framepos_t&               pos,
 901                                      ImportMode                mode,
 902                                      boost::shared_ptr<Track>& existing_track,
 903                                      const string&             new_track_name,
 904                                      ARDOUR::PluginInfoPtr     instrument)
 905 {
 906         boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
 907         boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
 908
 909         switch (mode) {
 910         case ImportAsRegion:
 911                 /* relax, its been done */
 912                 break;
 913
 914         case ImportToTrack:
 915         {
 916                 if (!existing_track) {
 917
 918                         if (ar) {
 919                                 existing_track = get_nth_selected_audio_track (0);
 920                         } else if (mr) {
 921                                 existing_track = get_nth_selected_midi_track (0);
 922                         }
 923
 924                         if (!existing_track) {
 925                                 return -1;
 926                         }
 927                 }
 928
 929                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 930                 boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
 931                 playlist->clear_changes ();
 932                 playlist->add_region (copy, pos);
 933                 if (Config->get_edit_mode() == Ripple)
 934                         playlist->ripple (pos, copy->length(), copy);
 935
 936                 _session->add_command (new StatefulDiffCommand (playlist));
 937                 break;
 938         }
 939
 940         case ImportAsTrack:
 941         {
 942                 if (!existing_track) {
 943                         if (ar) {
 944                                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, 0, 1, string(), PresentationInfo::max_order, Normal));
 945
 946                                 if (at.empty()) {
 947                                         return -1;
 948                                 }
 949                                 if (Config->get_strict_io ()) {
 950                                         for (list<boost::shared_ptr<AudioTrack> >::iterator i = at.begin(); i != at.end(); ++i) {
 951                                                 (*i)->set_strict_io (true);
 952                                         }
 953                                 }
 954
 955                                 existing_track = at.front();
 956                         } else if (mr) {
 957                                 list<boost::shared_ptr<MidiTrack> > mt (
 958                                         _session->new_midi_track (ChanCount (DataType::MIDI, 1),
 959                                                                   ChanCount (DataType::MIDI, 1),
 960                                                                   instrument, (Plugin::PresetRecord*) 0,
 961                                                                   (RouteGroup*) 0,
 962                                                                   1,
 963                                                                   string(),
 964                                                                   PresentationInfo::max_order));
 965
 966                                 if (mt.empty()) {
 967                                         return -1;
 968                                 }
 969                                 if (Config->get_strict_io ()) {
 970                                         for (list<boost::shared_ptr<MidiTrack> >::iterator i = mt.begin(); i != mt.end(); ++i) {
 971                                                 (*i)->set_strict_io (true);
 972                                         }
 973                                 }
 974
 975                                 // TODO set strict_io from preferences
 976                                 existing_track = mt.front();
 977                         }
 978
 979                         if (!new_track_name.empty()) {
 980                                 existing_track->set_name (new_track_name);
 981                         } else {
 982                                 existing_track->set_name (region->name());
 983                         }
 984                 }
 985
 986                 boost::shared_ptr<Playlist> playlist = existing_track->playlist();
 987                 boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
 988                 playlist->clear_changes ();
 989                 playlist->add_region (copy, pos);
 990                 _session->add_command (new StatefulDiffCommand (playlist));
 991                 break;
 992         }
 993
 994         case ImportAsTapeTrack:
 995         {
 996                 if (!ar) {
 997                         return -1;
 998                 }
 999
1000                 list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, 0, 1, string(), PresentationInfo::max_order, Destructive));
1001                 if (!at.empty()) {
1002                         boost::shared_ptr<Playlist> playlist = at.front()->playlist();
1003                         boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
1004                         playlist->clear_changes ();
1005                         playlist->add_region (copy, pos);
1006                         _session->add_command (new StatefulDiffCommand (playlist));
1007                 }
1008                 if (Config->get_strict_io ()) {
1009                         for (list<boost::shared_ptr<AudioTrack> >::iterator i = at.begin(); i != at.end(); ++i) {
1010                                 (*i)->set_strict_io (true);
1011                         }
1012                 }
1013                 break;
1014         }
1015         }
1016
1017         return 0;
1018 }
1019
1020 void *
1021 Editor::_import_thread (void *arg)
1022 {
1023         SessionEvent::create_per_thread_pool ("import events", 64);
1024
1025         Editor *ed = (Editor *) arg;
1026         return ed->import_thread ();
1027 }
1028
1029 void *
1030 Editor::import_thread ()
1031 {
1032         _session->import_files (import_status);
1033         return 0;
1034 }