libs/ardour/export_profile_manager.cc

   1 /*
   2     Copyright (C) 2008 Paul Davis
   3     Author: Sakari Bergen
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #include <cassert>
  22 #include <stdexcept>
  23
  24 #include <glibmm/fileutils.h>
  25
  26 #include "pbd/enumwriter.h"
  27 #include "pbd/xml++.h"
  28 #include "pbd/convert.h"
  29
  30 #include "ardour/export_profile_manager.h"
  31 #include "ardour/export_format_specification.h"
  32 #include "ardour/export_formats_search_path.h"
  33 #include "ardour/export_timespan.h"
  34 #include "ardour/export_channel_configuration.h"
  35 #include "ardour/export_filename.h"
  36 #include "ardour/export_preset.h"
  37 #include "ardour/export_handler.h"
  38 #include "ardour/export_failed.h"
  39 #include "ardour/filename_extensions.h"
  40 #include "ardour/route.h"
  41 #include "ardour/session.h"
  42 #include "ardour/broadcast_info.h"
  43
  44 #include "i18n.h"
  45
  46 using namespace std;
  47 using namespace Glib;
  48 using namespace PBD;
  49
  50 namespace ARDOUR
  51 {
  52
  53 ExportProfileManager::ExportProfileManager (Session & s, std::string xml_node_name)
  54   : xml_node_name (xml_node_name)
  55   , handler (s.get_export_handler())
  56   , session (s)
  57
  58   , session_range (new Location (s))
  59   , ranges (new LocationList ())
  60   , single_range_mode (false)
  61
  62   , format_list (new FormatList ())
  63 {
  64         /* Initialize path variables */
  65
  66         export_config_dir = user_config_directory();
  67         export_config_dir /= "export";
  68
  69         search_path += export_formats_search_path();
  70
  71         info << string_compose (_("Searching for export formats in %1"), search_path.to_string()) << endmsg;
  72
  73         /* create export config directory if necessary */
  74
  75         if (!sys::exists (export_config_dir)) {
  76                 sys::create_directory (export_config_dir);
  77         }
  78
  79         load_presets ();
  80         load_formats ();
  81
  82         /* Initialize all lists with an empty config */
  83
  84         XMLNodeList dummy;
  85         init_timespans (dummy);
  86         init_channel_configs (dummy);
  87         init_formats (dummy);
  88         init_filenames (dummy);
  89 }
  90
  91 ExportProfileManager::~ExportProfileManager ()
  92 {
  93         if (single_range_mode) { return; }
  94
  95         XMLNode * instant_xml (new XMLNode (xml_node_name));
  96         serialize_profile (*instant_xml);
  97         session.add_instant_xml (*instant_xml, false);
  98 }
  99
 100 void
 101 ExportProfileManager::load_profile ()
 102 {
 103         XMLNode * instant_node = session.instant_xml (xml_node_name);
 104         if (instant_node) {
 105                 set_state (*instant_node);
 106         } else {
 107                 XMLNode empty_node (xml_node_name);
 108                 set_state (empty_node);
 109         }
 110 }
 111
 112 void
 113 ExportProfileManager::prepare_for_export ()
 114 {
 115         TimespanListPtr ts_list = timespans.front()->timespans;
 116
 117         FormatStateList::const_iterator format_it;
 118         FilenameStateList::const_iterator filename_it;
 119
 120         // For each timespan
 121         for (TimespanList::iterator ts_it = ts_list->begin(); ts_it != ts_list->end(); ++ts_it) {
 122                 // ..., each format-filename pair
 123                 for (format_it = formats.begin(), filename_it = filenames.begin();
 124                      format_it != formats.end() && filename_it != filenames.end();
 125                      ++format_it, ++filename_it) {
 126
 127                         ExportFilenamePtr filename = (*filename_it)->filename;
 128 //                      filename->include_timespan = (ts_list->size() > 1); Disabled for now...
 129
 130                         boost::shared_ptr<BroadcastInfo> b;
 131                         if ((*format_it)->format->has_broadcast_info()) {
 132                                 b.reset (new BroadcastInfo);
 133                                 b->set_from_session (session, (*ts_it)->get_start());
 134                         }
 135
 136                         // ...and each channel config
 137                         filename->include_channel_config = (channel_configs.size() > 1);
 138                         for(ChannelConfigStateList::iterator cc_it = channel_configs.begin(); cc_it != channel_configs.end(); ++cc_it) {
 139                                 handler->add_export_config (*ts_it, (*cc_it)->config, (*format_it)->format, filename, b);
 140                         }
 141                 }
 142         }
 143 }
 144
 145 bool
 146 ExportProfileManager::load_preset (ExportPresetPtr preset)
 147 {
 148         bool ok = true;
 149
 150         current_preset = preset;
 151         if (!preset) { return false; }
 152
 153         XMLNode const * state;
 154         if ((state = preset->get_local_state())) {
 155                 set_local_state (*state);
 156         } else { ok = false; }
 157
 158         if ((state = preset->get_global_state())) {
 159                 if (!set_global_state (*state)) {
 160                         ok = false;
 161                 }
 162         } else { ok = false; }
 163
 164         return ok;
 165 }
 166
 167 void
 168 ExportProfileManager::load_presets ()
 169 {
 170         vector<sys::path> found = find_file (string_compose (X_("*%1"),export_preset_suffix));
 171
 172         for (vector<sys::path>::iterator it = found.begin(); it != found.end(); ++it) {
 173                 load_preset_from_disk (*it);
 174         }
 175 }
 176
 177 std::string
 178 ExportProfileManager::preset_filename (std::string const & preset_name)
 179 {
 180         string safe_name = legalize_for_path (preset_name);
 181         return export_config_dir.to_string() + "/" + safe_name + export_preset_suffix;
 182 }
 183
 184 ExportPresetPtr
 185 ExportProfileManager::new_preset (string const & name)
 186 {
 187         // Generate new ID and do regular save
 188         string filename = preset_filename (name);
 189         current_preset.reset (new ExportPreset (filename, session));
 190         preset_list.push_back (current_preset);
 191         return save_preset (name);
 192 }
 193
 194 ExportPresetPtr
 195 ExportProfileManager::save_preset (string const & name)
 196 {
 197         string filename = preset_filename (name);
 198
 199         if (!current_preset) {
 200                 current_preset.reset (new ExportPreset (filename, session));
 201                 preset_list.push_back (current_preset);
 202         }
 203
 204         XMLNode * global_preset = new XMLNode ("ExportPreset");
 205         XMLNode * local_preset = new XMLNode ("ExportPreset");
 206
 207         serialize_global_profile (*global_preset);
 208         serialize_local_profile (*local_preset);
 209
 210         current_preset->set_name (name);
 211         current_preset->set_global_state (*global_preset);
 212         current_preset->set_local_state (*local_preset);
 213
 214         current_preset->save (filename);
 215
 216         return current_preset;
 217 }
 218
 219 void
 220 ExportProfileManager::remove_preset ()
 221 {
 222         if (!current_preset) { return; }
 223
 224         for (PresetList::iterator it = preset_list.begin(); it != preset_list.end(); ++it) {
 225                 if (*it == current_preset) {
 226                         preset_list.erase (it);
 227                         break;
 228                 }
 229         }
 230
 231         FileMap::iterator it = preset_file_map.find (current_preset->id());
 232         if (it != preset_file_map.end()) {
 233                 sys::remove (it->second);
 234                 preset_file_map.erase (it);
 235         }
 236
 237         current_preset->remove_local();
 238         current_preset.reset();
 239 }
 240
 241 void
 242 ExportProfileManager::load_preset_from_disk (PBD::sys::path const & path)
 243 {
 244         ExportPresetPtr preset (new ExportPreset (path.to_string(), session));
 245
 246         /* Handle id to filename mapping and don't add duplicates to list */
 247
 248         FilePair pair (preset->id(), path);
 249         if (preset_file_map.insert (pair).second) {
 250                 preset_list.push_back (preset);
 251         }
 252 }
 253
 254 bool
 255 ExportProfileManager::set_state (XMLNode const & root)
 256 {
 257         return set_global_state (root) & set_local_state (root);
 258 }
 259
 260 bool
 261 ExportProfileManager::set_global_state (XMLNode const & root)
 262 {
 263         return init_filenames (root.children ("ExportFilename")) &
 264                init_formats (root.children ("ExportFormat"));
 265 }
 266
 267 bool
 268 ExportProfileManager::set_local_state (XMLNode const & root)
 269 {
 270         return init_timespans (root.children ("ExportTimespan")) &
 271                init_channel_configs (root.children ("ExportChannelConfiguration"));
 272 }
 273
 274 void
 275 ExportProfileManager::serialize_profile (XMLNode & root)
 276 {
 277         serialize_local_profile (root);
 278         serialize_global_profile (root);
 279 }
 280
 281 void
 282 ExportProfileManager::serialize_global_profile (XMLNode & root)
 283 {
 284         for (FormatStateList::iterator it = formats.begin(); it != formats.end(); ++it) {
 285                 root.add_child_nocopy (serialize_format (*it));
 286         }
 287
 288         for (FilenameStateList::iterator it = filenames.begin(); it != filenames.end(); ++it) {
 289                 root.add_child_nocopy ((*it)->filename->get_state());
 290         }
 291 }
 292
 293 void
 294 ExportProfileManager::serialize_local_profile (XMLNode & root)
 295 {
 296         for (TimespanStateList::iterator it = timespans.begin(); it != timespans.end(); ++it) {
 297                 root.add_child_nocopy (serialize_timespan (*it));
 298         }
 299
 300         for (ChannelConfigStateList::iterator it = channel_configs.begin(); it != channel_configs.end(); ++it) {
 301                 root.add_child_nocopy ((*it)->config->get_state());
 302         }
 303 }
 304
 305 std::vector<sys::path>
 306 ExportProfileManager::find_file (std::string const & pattern)
 307 {
 308         vector<sys::path> found;
 309
 310         Glib::PatternSpec pattern_spec (pattern);
 311         find_matching_files_in_search_path (search_path, pattern_spec, found);
 312
 313         return found;
 314 }
 315
 316 void
 317 ExportProfileManager::set_selection_range (framepos_t start, framepos_t end)
 318 {
 319
 320         if (start || end) {
 321                 selection_range.reset (new Location (session));
 322                 selection_range->set_name (_("Selection"));
 323                 selection_range->set (start, end);
 324         } else {
 325                 selection_range.reset();
 326         }
 327
 328         for (TimespanStateList::iterator it = timespans.begin(); it != timespans.end(); ++it) {
 329                 (*it)->selection_range = selection_range;
 330         }
 331 }
 332
 333 std::string
 334 ExportProfileManager::set_single_range (framepos_t start, framepos_t end, string name)
 335 {
 336         single_range_mode = true;
 337
 338         single_range.reset (new Location (session));
 339         single_range->set_name (name);
 340         single_range->set (start, end);
 341
 342         update_ranges ();
 343
 344         return single_range->id().to_s();
 345 }
 346
 347 bool
 348 ExportProfileManager::init_timespans (XMLNodeList nodes)
 349 {
 350         timespans.clear ();
 351         update_ranges ();
 352
 353         bool ok = true;
 354         for (XMLNodeList::const_iterator it = nodes.begin(); it != nodes.end(); ++it) {
 355                 TimespanStatePtr span = deserialize_timespan (**it);
 356                 if (span) {
 357                         timespans.push_back (span);
 358                 } else { ok = false; }
 359         }
 360
 361         if (timespans.empty()) {
 362                 TimespanStatePtr state (new TimespanState (session_range, selection_range, ranges));
 363                 timespans.push_back (state);
 364
 365                 // Add session as default selection
 366                 ExportTimespanPtr timespan = handler->add_timespan();
 367                 timespan->set_name (session_range->name());
 368                 timespan->set_range_id ("session");
 369                 timespan->set_range (session_range->start(), session_range->end());
 370                 state->timespans->push_back (timespan);
 371                 return false;
 372         }
 373
 374         return ok;
 375 }
 376
 377 ExportProfileManager::TimespanStatePtr
 378 ExportProfileManager::deserialize_timespan (XMLNode & root)
 379 {
 380         TimespanStatePtr state (new TimespanState (session_range, selection_range, ranges));
 381         XMLProperty const * prop;
 382
 383         XMLNodeList spans = root.children ("Range");
 384         for (XMLNodeList::iterator node_it = spans.begin(); node_it != spans.end(); ++node_it) {
 385
 386                 prop = (*node_it)->property ("id");
 387                 if (!prop) { continue; }
 388                 string id = prop->value();
 389
 390                 for (LocationList::iterator it = ranges->begin(); it != ranges->end(); ++it) {
 391                         if ((!id.compare ("session") && *it == session_range.get()) ||
 392                             (!id.compare ("selection") && *it == selection_range.get()) ||
 393                             (!id.compare ((*it)->id().to_s()))) {
 394                                 ExportTimespanPtr timespan = handler->add_timespan();
 395                                 timespan->set_name ((*it)->name());
 396                                 timespan->set_range_id (id);
 397                                 timespan->set_range ((*it)->start(), (*it)->end());
 398                                 state->timespans->push_back (timespan);
 399                         }
 400                 }
 401         }
 402
 403         if ((prop = root.property ("format"))) {
 404                 state->time_format = (TimeFormat) string_2_enum (prop->value(), TimeFormat);
 405         }
 406
 407         return state;
 408 }
 409
 410 XMLNode &
 411 ExportProfileManager::serialize_timespan (TimespanStatePtr state)
 412 {
 413         XMLNode & root = *(new XMLNode ("ExportTimespan"));
 414         XMLNode * span;
 415
 416         update_ranges ();
 417
 418         for (TimespanList::iterator it = state->timespans->begin(); it != state->timespans->end(); ++it) {
 419                 if ((span = root.add_child ("Range"))) {
 420                         span->add_property ("id", (*it)->range_id());
 421                 }
 422         }
 423
 424         root.add_property ("format", enum_2_string (state->time_format));
 425
 426         return root;
 427 }
 428
 429 void
 430 ExportProfileManager::update_ranges () {
 431         ranges->clear();
 432
 433         if (single_range_mode) {
 434                 ranges->push_back (single_range.get());
 435                 return;
 436         }
 437
 438         /* Session */
 439
 440         session_range->set_name (_("Session"));
 441         session_range->set (session.current_start_frame(), session.current_end_frame());
 442         ranges->push_back (session_range.get());
 443
 444         /* Selection */
 445
 446         if (selection_range) {
 447                 ranges->push_back (selection_range.get());
 448         }
 449
 450         /* ranges */
 451
 452         LocationList const & list (session.locations()->list());
 453         for (LocationList::const_iterator it = list.begin(); it != list.end(); ++it) {
 454                 if ((*it)->is_range_marker()) {
 455                         ranges->push_back (*it);
 456                 }
 457         }
 458 }
 459
 460 ExportProfileManager::ChannelConfigStatePtr
 461 ExportProfileManager::add_channel_config ()
 462 {
 463         ChannelConfigStatePtr ptr(new ChannelConfigState(handler->add_channel_config()));
 464         channel_configs.push_back(ptr);
 465         return ptr;
 466 }
 467
 468 bool
 469 ExportProfileManager::init_channel_configs (XMLNodeList nodes)
 470 {
 471         channel_configs.clear();
 472
 473         if (nodes.empty()) {
 474                 ChannelConfigStatePtr config (new ChannelConfigState (handler->add_channel_config()));
 475                 channel_configs.push_back (config);
 476
 477                 // Add master outs as default
 478                 IO* master_out = session.master_out()->output().get();
 479                 if (!master_out) { return false; }
 480
 481                 for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
 482                         PortExportChannel * channel = new PortExportChannel ();
 483                         channel->add_port (master_out->audio (n));
 484
 485                         ExportChannelPtr chan_ptr (channel);
 486                         config->config->register_channel (chan_ptr);
 487                 }
 488                 return false;
 489         }
 490
 491         for (XMLNodeList::const_iterator it = nodes.begin(); it != nodes.end(); ++it) {
 492                 ChannelConfigStatePtr config (new ChannelConfigState (handler->add_channel_config()));
 493                 config->config->set_state (**it);
 494                 channel_configs.push_back (config);
 495         }
 496
 497         return true;
 498 }
 499
 500 ExportProfileManager::FormatStatePtr
 501 ExportProfileManager::duplicate_format_state (FormatStatePtr state)
 502 {
 503         /* Note: The pointer in the new FormatState should point to the same format spec
 504                  as the original state's pointer. The spec itself should not be copied!   */
 505
 506         FormatStatePtr format (new FormatState (format_list, state->format));
 507         formats.push_back (format);
 508         return format;
 509 }
 510
 511 void
 512 ExportProfileManager::remove_format_state (FormatStatePtr state)
 513 {
 514         for (FormatStateList::iterator it = formats.begin(); it != formats.end(); ++it) {
 515                 if (*it == state) {
 516                         formats.erase (it);
 517                         return;
 518                 }
 519         }
 520 }
 521
 522 sys::path
 523 ExportProfileManager::save_format_to_disk (ExportFormatSpecPtr format)
 524 {
 525         // TODO filename character stripping
 526
 527         /* Get filename for file */
 528
 529         string new_name = format->name();
 530         new_name += export_format_suffix;
 531
 532         /* make sure its legal for the filesystem */
 533
 534         new_name = legalize_for_path (new_name);
 535
 536         sys::path new_path (export_config_dir);
 537         new_path /= new_name;
 538
 539         /* Check if format is on disk already */
 540         FileMap::iterator it;
 541         if ((it = format_file_map.find (format->id())) != format_file_map.end()) {
 542
 543                 /* Check if config is not in user config dir */
 544                 if (it->second.branch_path().to_string().compare (export_config_dir.to_string())) {
 545
 546                         /* Write new file */
 547
 548                         XMLTree tree (new_path.to_string());
 549                         tree.set_root (&format->get_state());
 550                         tree.write();
 551
 552                 } else {
 553
 554                         /* Update file and rename if necessary */
 555
 556                         XMLTree tree (it->second.to_string());
 557                         tree.set_root (&format->get_state());
 558                         tree.write();
 559
 560                         if (new_name.compare (it->second.leaf())) {
 561                                 sys::rename (it->second, new_path);
 562                         }
 563                 }
 564
 565                 it->second = new_path;
 566
 567         } else {
 568                 /* Write new file */
 569
 570                 XMLTree tree (new_path.to_string());
 571                 tree.set_root (&format->get_state());
 572                 tree.write();
 573         }
 574
 575         FormatListChanged ();
 576         return new_path;
 577 }
 578
 579 void
 580 ExportProfileManager::remove_format_profile (ExportFormatSpecPtr format)
 581 {
 582         for (FormatList::iterator it = format_list->begin(); it != format_list->end(); ++it) {
 583                 if (*it == format) {
 584                         format_list->erase (it);
 585                         break;
 586                 }
 587         }
 588
 589         FileMap::iterator it = format_file_map.find (format->id());
 590         if (it != format_file_map.end()) {
 591                 sys::remove (it->second);
 592                 format_file_map.erase (it);
 593         }
 594
 595         FormatListChanged ();
 596 }
 597
 598 ExportFormatSpecPtr
 599 ExportProfileManager::get_new_format (ExportFormatSpecPtr original)
 600 {
 601         ExportFormatSpecPtr format;
 602         if (original) {
 603                 format.reset (new ExportFormatSpecification (*original));
 604         } else {
 605                 format = handler->add_format();
 606                 format->set_name ("empty format");
 607         }
 608
 609         sys::path path = save_format_to_disk (format);
 610         FilePair pair (format->id(), path);
 611         format_file_map.insert (pair);
 612
 613         format_list->push_back (format);
 614         FormatListChanged ();
 615
 616         return format;
 617 }
 618
 619 bool
 620 ExportProfileManager::init_formats (XMLNodeList nodes)
 621 {
 622         formats.clear();
 623
 624         bool ok = true;
 625         for (XMLNodeList::const_iterator it = nodes.begin(); it != nodes.end(); ++it) {
 626                 FormatStatePtr format = deserialize_format (**it);
 627                 if (format) {
 628                         formats.push_back (format);
 629                 } else { ok = false; }
 630         }
 631
 632         if (formats.empty ()) {
 633                 FormatStatePtr format (new FormatState (format_list, ExportFormatSpecPtr ()));
 634                 formats.push_back (format);
 635                 return false;
 636         }
 637
 638         return ok;
 639 }
 640
 641 ExportProfileManager::FormatStatePtr
 642 ExportProfileManager::deserialize_format (XMLNode & root)
 643 {
 644         XMLProperty * prop;
 645         UUID id;
 646
 647         if ((prop = root.property ("id"))) {
 648                 id = prop->value();
 649         }
 650
 651         for (FormatList::iterator it = format_list->begin(); it != format_list->end(); ++it) {
 652                 if ((*it)->id() == id) {
 653                         return FormatStatePtr (new FormatState (format_list, *it));
 654                 }
 655         }
 656
 657         return FormatStatePtr ();
 658 }
 659
 660 XMLNode &
 661 ExportProfileManager::serialize_format (FormatStatePtr state)
 662 {
 663         XMLNode * root = new XMLNode ("ExportFormat");
 664
 665         string id = state->format ? state->format->id().to_s() : "";
 666         root->add_property ("id", id);
 667
 668         return *root;
 669 }
 670
 671 void
 672 ExportProfileManager::load_formats ()
 673 {
 674         vector<sys::path> found = find_file (string_compose ("*%1", export_format_suffix));
 675
 676         for (vector<sys::path>::iterator it = found.begin(); it != found.end(); ++it) {
 677                 load_format_from_disk (*it);
 678         }
 679 }
 680
 681 void
 682 ExportProfileManager::load_format_from_disk (PBD::sys::path const & path)
 683 {
 684         XMLTree const tree (path.to_string());
 685         ExportFormatSpecPtr format = handler->add_format (*tree.root());
 686
 687         /* Handle id to filename mapping and don't add duplicates to list */
 688
 689         FilePair pair (format->id(), path);
 690         if (format_file_map.insert (pair).second) {
 691                 format_list->push_back (format);
 692         }
 693
 694         FormatListChanged ();
 695 }
 696
 697 ExportProfileManager::FilenameStatePtr
 698 ExportProfileManager::duplicate_filename_state (FilenameStatePtr state)
 699 {
 700         FilenameStatePtr filename (new FilenameState (handler->add_filename_copy (state->filename)));
 701         filenames.push_back (filename);
 702         return filename;
 703 }
 704
 705 void
 706 ExportProfileManager::remove_filename_state (FilenameStatePtr state)
 707 {
 708         for (FilenameStateList::iterator it = filenames.begin(); it != filenames.end(); ++it) {
 709                 if (*it == state) {
 710                         filenames.erase (it);
 711                         return;
 712                 }
 713         }
 714 }
 715
 716 bool
 717 ExportProfileManager::init_filenames (XMLNodeList nodes)
 718 {
 719         filenames.clear ();
 720
 721         for (XMLNodeList::const_iterator it = nodes.begin(); it != nodes.end(); ++it) {
 722                 ExportFilenamePtr filename = handler->add_filename();
 723                 filename->set_state (**it);
 724                 filenames.push_back (FilenameStatePtr (new FilenameState (filename)));
 725         }
 726
 727         if (filenames.empty()) {
 728                 FilenameStatePtr filename (new FilenameState (handler->add_filename()));
 729                 filenames.push_back (filename);
 730                 return false;
 731         }
 732
 733         return true;
 734 }
 735
 736 boost::shared_ptr<ExportProfileManager::Warnings>
 737 ExportProfileManager::get_warnings ()
 738 {
 739         boost::shared_ptr<Warnings> warnings (new Warnings ());
 740
 741         ChannelConfigStatePtr channel_config_state;
 742         if (!channel_configs.empty ()) {
 743                 channel_config_state = channel_configs.front();
 744         }
 745
 746         TimespanStatePtr timespan_state = timespans.front();
 747
 748         /*** Check "global" config ***/
 749
 750         TimespanListPtr timespans = timespan_state->timespans;
 751
 752         ExportChannelConfigPtr channel_config;
 753         if (channel_config_state) {
 754                 channel_config = channel_config_state->config;
 755         }
 756
 757         /* Check Timespans are not empty */
 758
 759         if (timespans->empty()) {
 760                 warnings->errors.push_back (_("No timespan has been selected!"));
 761         }
 762
 763         if (channel_config_state == 0) {
 764                 warnings->errors.push_back (_("No channels have been selected!"));
 765         } else {
 766                 /* Check channel config ports */
 767                 if (!channel_config->all_channels_have_ports ()) {
 768                         warnings->warnings.push_back (_("Some channels are empty"));
 769                 }
 770         }
 771
 772         /*** Check files ***/
 773
 774         if (channel_config_state) {
 775                 FormatStateList::const_iterator format_it;
 776                 FilenameStateList::const_iterator filename_it;
 777                 for (format_it = formats.begin(), filename_it = filenames.begin();
 778                      format_it != formats.end() && filename_it != filenames.end();
 779                      ++format_it, ++filename_it) {
 780                         check_config (warnings, timespan_state, channel_config_state, *format_it, *filename_it);
 781                 }
 782         }
 783
 784         return warnings;
 785 }
 786
 787 void
 788 ExportProfileManager::check_config (boost::shared_ptr<Warnings> warnings,
 789                                     TimespanStatePtr timespan_state,
 790                                     ChannelConfigStatePtr channel_config_state,
 791                                     FormatStatePtr format_state,
 792                                     FilenameStatePtr filename_state)
 793 {
 794         TimespanListPtr timespans = timespan_state->timespans;
 795         ExportChannelConfigPtr channel_config = channel_config_state->config;
 796         ExportFormatSpecPtr format = format_state->format;
 797         ExportFilenamePtr filename = filename_state->filename;
 798
 799         /* Check format and maximum channel count */
 800         if (!format || !format->type()) {
 801                 warnings->errors.push_back (_("No format selected!"));
 802         } else if (!channel_config->get_n_chans()) {
 803                 warnings->errors.push_back (_("All channels are empty!"));
 804         } else if (!check_format (format, channel_config->get_n_chans())) {
 805                 warnings->errors.push_back (_("One or more of the selected formats is not compatible with this system!"));
 806         } else if (format->channel_limit() < channel_config->get_n_chans()) {
 807                 warnings->errors.push_back
 808                   (string_compose (_("%1 supports only %2 channels, but you have %3 channels in your channel configuration"),
 809                                      format->format_name(),
 810                                      format->channel_limit(),
 811                                      channel_config->get_n_chans()));
 812         }
 813
 814         if (!warnings->errors.empty()) { return; }
 815
 816         /* Check filenames */
 817
 818 //      filename->include_timespan = (timespans->size() > 1); Disabled for now...
 819
 820         for (std::list<ExportTimespanPtr>::iterator timespan_it = timespans->begin(); timespan_it != timespans->end(); ++timespan_it) {
 821                 filename->set_timespan (*timespan_it);
 822
 823                 if (channel_config->get_split()) {
 824                         filename->include_channel = true;
 825
 826                         for (uint32_t chan = 1; chan <= channel_config->get_n_chans(); ++chan) {
 827                                 filename->set_channel (chan);
 828
 829                                 string path = filename->get_path (format);
 830
 831                                 if (sys::exists (sys::path (path))) {
 832                                         warnings->conflicting_filenames.push_back (path);
 833                                 }
 834                         }
 835
 836                 } else {
 837                         string path = filename->get_path (format);
 838
 839                         if (sys::exists (sys::path (path))) {
 840                                 warnings->conflicting_filenames.push_back (path);
 841                         }
 842                 }
 843         }
 844 }
 845
 846 bool
 847 ExportProfileManager::check_format (ExportFormatSpecPtr format, uint32_t channels)
 848 {
 849         switch (format->type()) {
 850           case ExportFormatBase::T_Sndfile:
 851                 return check_sndfile_format (format, channels);
 852
 853           default:
 854                 throw ExportFailed (X_("Invalid format given for ExportFileFactory::check!"));
 855         }
 856 }
 857
 858 bool
 859 ExportProfileManager::check_sndfile_format (ExportFormatSpecPtr format, unsigned int channels)
 860 {
 861         SF_INFO sf_info;
 862         sf_info.channels = channels;
 863         sf_info.samplerate = format->sample_rate ();
 864         sf_info.format = format->format_id () | format->sample_format ();
 865
 866         return (sf_format_check (&sf_info) == SF_TRUE ? true : false);
 867 }
 868
 869 }; // namespace ARDOUR