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