libs/ardour/export_format_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 "ardour/export_format_manager.h"
  22
  23 #include "ardour/export_format_specification.h"
  24 #include "ardour/export_format_compatibility.h"
  25
  26 #include "i18n.h"
  27
  28 using std::string;
  29
  30 namespace ARDOUR
  31 {
  32
  33 ExportFormatManager::ExportFormatManager (ExportFormatSpecPtr specification) :
  34   pending_selection_change (false),
  35   universal_set (new ExportFormatBase ())
  36 {
  37         current_selection = specification;
  38
  39         init_compatibilities ();
  40         init_qualities ();
  41         init_formats ();
  42         init_sample_rates ();
  43
  44         prev_description = current_selection->description();
  45 }
  46
  47 ExportFormatManager::~ExportFormatManager ()
  48 {
  49
  50 }
  51
  52 void
  53 ExportFormatManager::init_compatibilities ()
  54 {
  55         ExportFormatCompatibilityPtr c_ptr;
  56
  57         c_ptr.reset (new ExportFormatCompatibility (_("CD")));
  58         c_ptr->add_sample_rate (ExportFormatBase::SR_44_1);
  59         c_ptr->add_format_id (ExportFormatBase::F_WAV);
  60         c_ptr->add_format_id (ExportFormatBase::F_AIFF);
  61         c_ptr->add_quality (ExportFormatBase::Q_LosslessLinear);
  62         c_ptr->add_sample_format (ExportFormatBase::SF_16);
  63         c_ptr->add_endianness (ExportFormatBase::E_FileDefault);
  64         add_compatibility (c_ptr);
  65
  66         c_ptr.reset (new ExportFormatCompatibility (_("DVD-A")));
  67         c_ptr->add_sample_rate (ExportFormatBase::SR_44_1);
  68         c_ptr->add_sample_rate (ExportFormatBase::SR_48);
  69         c_ptr->add_sample_rate (ExportFormatBase::SR_88_2);
  70         c_ptr->add_sample_rate (ExportFormatBase::SR_96);
  71         c_ptr->add_sample_rate (ExportFormatBase::SR_192);
  72         c_ptr->add_format_id (ExportFormatBase::F_WAV);
  73         c_ptr->add_format_id (ExportFormatBase::F_AIFF);
  74         c_ptr->add_quality (ExportFormatBase::Q_LosslessLinear);
  75         c_ptr->add_sample_format (ExportFormatBase::SF_16);
  76         c_ptr->add_sample_format (ExportFormatBase::SF_24);
  77         c_ptr->add_endianness (ExportFormatBase::E_FileDefault);
  78         add_compatibility (c_ptr);
  79
  80         c_ptr.reset (new ExportFormatCompatibility (_("iPod")));
  81         c_ptr->add_sample_rate (ExportFormatBase::SR_44_1);
  82         c_ptr->add_sample_rate (ExportFormatBase::SR_48);
  83         c_ptr->add_format_id (ExportFormatBase::F_WAV);
  84         c_ptr->add_format_id (ExportFormatBase::F_AIFF);
  85         c_ptr->add_quality (ExportFormatBase::Q_LosslessLinear);
  86         c_ptr->add_sample_format (ExportFormatBase::SF_16);
  87         c_ptr->add_sample_format (ExportFormatBase::SF_24);
  88         c_ptr->add_endianness (ExportFormatBase::E_FileDefault);
  89         add_compatibility (c_ptr);
  90
  91         c_ptr.reset (new ExportFormatCompatibility (_("Something else")));
  92         c_ptr->add_sample_rate (ExportFormatBase::SR_44_1);
  93         c_ptr->add_sample_rate (ExportFormatBase::SR_48);
  94         c_ptr->add_format_id (ExportFormatBase::F_WAV);
  95         c_ptr->add_format_id (ExportFormatBase::F_AIFF);
  96         c_ptr->add_format_id (ExportFormatBase::F_AU);
  97         c_ptr->add_format_id (ExportFormatBase::F_FLAC);
  98         c_ptr->add_quality (ExportFormatBase::Q_LosslessLinear);
  99         c_ptr->add_quality (ExportFormatBase::Q_LosslessCompression);
 100         c_ptr->add_sample_format (ExportFormatBase::SF_16);
 101         c_ptr->add_sample_format (ExportFormatBase::SF_24);
 102         c_ptr->add_sample_format (ExportFormatBase::SF_32);
 103         c_ptr->add_endianness (ExportFormatBase::E_FileDefault);
 104         add_compatibility (c_ptr);
 105 }
 106
 107 void
 108 ExportFormatManager::init_qualities ()
 109 {
 110         add_quality (QualityPtr (new QualityState (ExportFormatBase::Q_Any, _("Any"))));
 111         add_quality (QualityPtr (new QualityState (ExportFormatBase::Q_LosslessLinear, _("Lossless (linear PCM)"))));
 112         add_quality (QualityPtr (new QualityState (ExportFormatBase::Q_LossyCompression, _("Lossy compression"))));
 113         add_quality (QualityPtr (new QualityState (ExportFormatBase::Q_LosslessCompression, _("Lossless compression"))));
 114 }
 115
 116 void
 117 ExportFormatManager::init_formats ()
 118 {
 119         ExportFormatPtr f_ptr;
 120         ExportFormatLinear * fl_ptr;
 121
 122         f_ptr.reset (fl_ptr = new ExportFormatLinear ("AIFF", ExportFormatBase::F_AIFF));
 123         fl_ptr->add_sample_format (ExportFormatBase::SF_U8);
 124         fl_ptr->add_sample_format (ExportFormatBase::SF_8);
 125         fl_ptr->add_sample_format (ExportFormatBase::SF_16);
 126         fl_ptr->add_sample_format (ExportFormatBase::SF_24);
 127         fl_ptr->add_sample_format (ExportFormatBase::SF_32);
 128         fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
 129         fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
 130         fl_ptr->add_endianness (ExportFormatBase::E_Big);
 131         fl_ptr->set_default_sample_format (ExportFormatBase::SF_16);
 132         fl_ptr->set_extension ("aiff");
 133         add_format (f_ptr);
 134
 135         f_ptr.reset (fl_ptr = new ExportFormatLinear ("AU", ExportFormatBase::F_AU));
 136         fl_ptr->add_sample_format (ExportFormatBase::SF_8);
 137         fl_ptr->add_sample_format (ExportFormatBase::SF_16);
 138         fl_ptr->add_sample_format (ExportFormatBase::SF_24);
 139         fl_ptr->add_sample_format (ExportFormatBase::SF_32);
 140         fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
 141         fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
 142         fl_ptr->set_default_sample_format (ExportFormatBase::SF_16);
 143         fl_ptr->set_extension ("au");
 144         add_format (f_ptr);
 145
 146         f_ptr.reset (new ExportFormatBWF ());
 147         add_format (f_ptr);
 148
 149         f_ptr.reset (fl_ptr = new ExportFormatLinear ("IRCAM", ExportFormatBase::F_IRCAM));
 150         fl_ptr->add_sample_format (ExportFormatBase::SF_16);
 151         fl_ptr->add_sample_format (ExportFormatBase::SF_24);
 152         fl_ptr->add_sample_format (ExportFormatBase::SF_32);
 153         fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
 154         fl_ptr->set_default_sample_format (ExportFormatBase::SF_24);
 155         fl_ptr->set_extension ("sf");
 156         add_format (f_ptr);
 157
 158         f_ptr.reset (fl_ptr = new ExportFormatLinear ("WAV", ExportFormatBase::F_WAV));
 159         fl_ptr->add_sample_format (ExportFormatBase::SF_U8);
 160         fl_ptr->add_sample_format (ExportFormatBase::SF_16);
 161         fl_ptr->add_sample_format (ExportFormatBase::SF_24);
 162         fl_ptr->add_sample_format (ExportFormatBase::SF_32);
 163         fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
 164         fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
 165         fl_ptr->add_endianness (ExportFormatBase::E_Little);
 166         fl_ptr->set_default_sample_format (ExportFormatBase::SF_16);
 167         fl_ptr->set_extension ("wav");
 168         add_format (f_ptr);
 169
 170         f_ptr.reset (fl_ptr = new ExportFormatLinear ("W64", ExportFormatBase::F_W64));
 171         fl_ptr->add_sample_format (ExportFormatBase::SF_U8);
 172         fl_ptr->add_sample_format (ExportFormatBase::SF_16);
 173         fl_ptr->add_sample_format (ExportFormatBase::SF_24);
 174         fl_ptr->add_sample_format (ExportFormatBase::SF_32);
 175         fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
 176         fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
 177         fl_ptr->set_default_sample_format (ExportFormatBase::SF_Double);
 178         fl_ptr->set_extension ("w64");
 179         add_format (f_ptr);
 180
 181         f_ptr.reset (fl_ptr = new ExportFormatLinear ("CAF", ExportFormatBase::F_CAF));
 182         fl_ptr->add_sample_format (ExportFormatBase::SF_U8);
 183         fl_ptr->add_sample_format (ExportFormatBase::SF_16);
 184         fl_ptr->add_sample_format (ExportFormatBase::SF_24);
 185         fl_ptr->add_sample_format (ExportFormatBase::SF_32);
 186         fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
 187         fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
 188         fl_ptr->set_default_sample_format (ExportFormatBase::SF_Float);
 189         fl_ptr->set_extension ("caf");
 190         add_format (f_ptr);
 191
 192         f_ptr.reset (fl_ptr = new ExportFormatLinear ("RAW", ExportFormatBase::F_RAW));
 193         fl_ptr->add_sample_format (ExportFormatBase::SF_U8);
 194         fl_ptr->add_sample_format (ExportFormatBase::SF_8);
 195         fl_ptr->add_sample_format (ExportFormatBase::SF_16);
 196         fl_ptr->add_sample_format (ExportFormatBase::SF_24);
 197         fl_ptr->add_sample_format (ExportFormatBase::SF_32);
 198         fl_ptr->add_sample_format (ExportFormatBase::SF_Float);
 199         fl_ptr->add_sample_format (ExportFormatBase::SF_Double);
 200         fl_ptr->set_default_sample_format (ExportFormatBase::SF_Float);
 201         fl_ptr->set_extension ("raw");
 202         add_format (f_ptr);
 203
 204         try {
 205                 f_ptr.reset (new ExportFormatOggVorbis ());
 206                 add_format (f_ptr);
 207         } catch (ExportFormatIncompatible & e) {}
 208
 209         try {
 210                 f_ptr.reset (new ExportFormatFLAC ());
 211                 add_format (f_ptr);
 212         } catch (ExportFormatIncompatible & e) {}
 213 }
 214
 215 void
 216 ExportFormatManager::init_sample_rates ()
 217 {
 218         add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_Session, _("Session rate"))));
 219         add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_8, "8 kHz")));
 220         add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_22_05, "22,05 kHz")));
 221         add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_44_1, "44,1 kHz")));
 222         add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_48, "48 kHz")));
 223         add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_88_2, "88,2 kHz")));
 224         add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_96, "96 kHz")));
 225         add_sample_rate (SampleRatePtr (new SampleRateState (ExportFormatBase::SR_192, "192 kHz")));
 226 }
 227
 228 void
 229 ExportFormatManager::add_compatibility (ExportFormatCompatibilityPtr ptr)
 230 {
 231         compatibilities.push_back (ptr);
 232         ptr->SelectChanged.connect_same_thread (*this,
 233                                                 boost::bind (&ExportFormatManager::change_compatibility_selection,
 234                                                              this, _1, WeakExportFormatCompatibilityPtr (ptr)));
 235 }
 236
 237 void
 238 ExportFormatManager::add_quality (QualityPtr ptr)
 239 {
 240         ptr->SelectChanged.connect_same_thread (*this, boost::bind (&ExportFormatManager::change_quality_selection, this, _1, WeakQualityPtr (ptr)));
 241         qualities.push_back (ptr);
 242 }
 243
 244 void
 245 ExportFormatManager::add_format (ExportFormatPtr ptr)
 246 {
 247         formats.push_back (ptr);
 248         ptr->SelectChanged.connect_same_thread (*this, boost::bind (&ExportFormatManager::change_format_selection, this, _1, WeakExportFormatPtr (ptr)));
 249         universal_set = universal_set->get_union (*ptr);
 250
 251         /* Encoding options */
 252
 253         boost::shared_ptr<HasSampleFormat> hsf;
 254
 255         if ((hsf = boost::dynamic_pointer_cast<HasSampleFormat> (ptr))) {
 256                 hsf->SampleFormatSelectChanged.connect_same_thread (*this, boost::bind (&ExportFormatManager::change_sample_format_selection, this, _1, _2));
 257                 hsf->DitherTypeSelectChanged.connect_same_thread (*this, boost::bind (&ExportFormatManager::change_dither_type_selection, this, _1, _2));
 258         }
 259 }
 260
 261 void
 262 ExportFormatManager::add_sample_rate (SampleRatePtr ptr)
 263 {
 264         ptr->SelectChanged.connect_same_thread (*this, boost::bind (&ExportFormatManager::change_sample_rate_selection, this, _1, WeakSampleRatePtr (ptr)));
 265         sample_rates.push_back (ptr);
 266 }
 267
 268 void
 269 ExportFormatManager::set_name (string name)
 270 {
 271         current_selection->set_name (name);
 272         check_for_description_change ();
 273 }
 274
 275 void
 276 ExportFormatManager::select_src_quality (ExportFormatBase::SRCQuality value)
 277 {
 278         current_selection->set_src_quality (value);
 279         check_for_description_change ();
 280 }
 281
 282 void
 283 ExportFormatManager::select_with_cue (bool value)
 284 {
 285         current_selection->set_with_cue (value);
 286         check_for_description_change ();
 287 }
 288
 289 void
 290 ExportFormatManager::select_with_toc (bool value)
 291 {
 292         current_selection->set_with_toc (value);
 293         check_for_description_change ();
 294 }
 295
 296 void
 297 ExportFormatManager::select_with_mp4chaps (bool value)
 298 {
 299         current_selection->set_with_mp4chaps (value);
 300         check_for_description_change ();
 301 }
 302
 303 void
 304 ExportFormatManager::set_command (std::string command)
 305 {
 306         current_selection->set_command (command);
 307         check_for_description_change ();
 308 }
 309
 310 void
 311 ExportFormatManager::select_trim_beginning (bool value)
 312 {
 313         current_selection->set_trim_beginning (value);
 314         check_for_description_change ();
 315 }
 316
 317 void
 318 ExportFormatManager::select_silence_beginning (AnyTime const & time)
 319 {
 320         current_selection->set_silence_beginning (time);
 321         check_for_description_change ();
 322 }
 323
 324 void
 325 ExportFormatManager::select_trim_end (bool value)
 326 {
 327         current_selection->set_trim_end (value);
 328         check_for_description_change ();
 329 }
 330
 331 void
 332 ExportFormatManager::select_silence_end (AnyTime const & time)
 333 {
 334         current_selection->set_silence_end (time);
 335         check_for_description_change ();
 336 }
 337
 338 void
 339 ExportFormatManager::select_normalize (bool value)
 340 {
 341         current_selection->set_normalize (value);
 342         check_for_description_change ();
 343 }
 344
 345 void
 346 ExportFormatManager::select_normalize_target (float value)
 347 {
 348         current_selection->set_normalize_target (value);
 349         check_for_description_change ();
 350 }
 351
 352 void
 353 ExportFormatManager::select_tagging (bool tag)
 354 {
 355         current_selection->set_tag (tag);
 356         check_for_description_change ();
 357 }
 358
 359 void
 360 ExportFormatManager::change_compatibility_selection (bool select, WeakExportFormatCompatibilityPtr const & compat)
 361 {
 362         bool do_selection_changed = !pending_selection_change;
 363         if (!pending_selection_change) {
 364                 pending_selection_change = true;
 365         }
 366
 367         ExportFormatCompatibilityPtr ptr = compat.lock();
 368
 369         if (ptr && select) {
 370                 select_compatibility (ptr);
 371         }
 372
 373         if (do_selection_changed) {
 374                 selection_changed ();
 375         }
 376 }
 377
 378 void
 379 ExportFormatManager::change_quality_selection (bool select, WeakQualityPtr const & quality)
 380 {
 381         QualityPtr ptr = quality.lock ();
 382
 383         if (!ptr) {
 384                 return;
 385         }
 386
 387         if (select) {
 388                 select_quality (ptr);
 389         } else if (ptr->quality == current_selection->quality()) {
 390                 ptr.reset();
 391                 select_quality (ptr);
 392         }
 393 }
 394
 395 void
 396 ExportFormatManager::change_format_selection (bool select, WeakExportFormatPtr const & format)
 397 {
 398         ExportFormatPtr ptr = format.lock();
 399
 400         if (!ptr) {
 401                 return;
 402         }
 403
 404         if (select) {
 405                 select_format (ptr);
 406         } else if (ptr->get_format_id() == current_selection->format_id()) {
 407                 ptr.reset();
 408                 select_format (ptr);
 409         }
 410 }
 411
 412 void
 413 ExportFormatManager::change_sample_rate_selection (bool select, WeakSampleRatePtr const & rate)
 414 {
 415         SampleRatePtr ptr = rate.lock();
 416
 417         if (!ptr) {
 418                 return;
 419         }
 420
 421         if (select) {
 422                 select_sample_rate (ptr);
 423         } else if (ptr->rate == current_selection->sample_rate()) {
 424                 ptr.reset();
 425                 select_sample_rate (ptr);
 426         }
 427 }
 428
 429 void
 430 ExportFormatManager::change_sample_format_selection (bool select, WeakSampleFormatPtr const & format)
 431 {
 432         SampleFormatPtr ptr = format.lock();
 433
 434         if (!ptr) {
 435                 return;
 436         }
 437
 438         if (select) {
 439                 select_sample_format (ptr);
 440         } else if (ptr->format == current_selection->sample_format()) {
 441                 ptr.reset();
 442                 select_sample_format (ptr);
 443         }
 444 }
 445
 446 void
 447 ExportFormatManager::change_dither_type_selection (bool select, WeakDitherTypePtr const & type)
 448 {
 449         DitherTypePtr ptr = type.lock();
 450
 451         if (!ptr) {
 452                 return;
 453         }
 454
 455         if (select) {
 456                 select_dither_type (ptr);
 457         } else if (ptr->type == current_selection->dither_type()) {
 458                 ptr.reset();
 459                 select_dither_type (ptr);
 460         }
 461 }
 462
 463 void
 464 ExportFormatManager::select_compatibility (WeakExportFormatCompatibilityPtr const & /*compat*/)
 465 {
 466         /* Calculate compatibility intersection for the selection */
 467
 468         ExportFormatBasePtr compat_intersect = get_compatibility_intersection ();
 469
 470         /* Unselect incompatible items */
 471
 472         boost::shared_ptr<ExportFormatBase> select_intersect;
 473
 474         select_intersect = compat_intersect->get_intersection (*current_selection);
 475         if (select_intersect->qualities_empty()) {
 476                 select_quality (QualityPtr());
 477         }
 478
 479         select_intersect = compat_intersect->get_intersection (*current_selection);
 480         if (select_intersect->formats_empty()) {
 481                 select_format (ExportFormatPtr());
 482         }
 483
 484         select_intersect = compat_intersect->get_intersection (*current_selection);
 485         if (select_intersect->sample_rates_empty()) {
 486                 select_sample_rate (SampleRatePtr());
 487         }
 488
 489         select_intersect = compat_intersect->get_intersection (*current_selection);
 490         if (select_intersect->sample_formats_empty()) {
 491                 select_sample_format (SampleFormatPtr());
 492         }
 493 }
 494
 495 void
 496 ExportFormatManager::select_quality (QualityPtr const & quality)
 497 {
 498         bool do_selection_changed = !pending_selection_change;
 499         if (!pending_selection_change) {
 500                 pending_selection_change = true;
 501         }
 502
 503         if (quality) {
 504                 current_selection->set_quality (quality->quality);
 505
 506                 /* Deselect format if it is incompatible */
 507
 508                 ExportFormatPtr format = get_selected_format();
 509                 if (format && !format->has_quality (quality->quality)) {
 510                         format->set_selected (false);
 511                 }
 512
 513         } else {
 514                 current_selection->set_quality (ExportFormatBase::Q_None);
 515
 516                 QualityPtr current_quality = get_selected_quality();
 517                 if (current_quality) {
 518                         current_quality->set_selected (false);
 519                 }
 520
 521                 /* Note:
 522                  * A quality is never explicitly deselected without also deselecting the format
 523                  * so we don't need to deselect the format here.
 524                  * doing so causes extra complications
 525                  */
 526         }
 527
 528         if (do_selection_changed) {
 529                 selection_changed ();
 530         }
 531 }
 532
 533 void
 534 ExportFormatManager::select_format (ExportFormatPtr const & format)
 535 {
 536         bool do_selection_changed = !pending_selection_change;
 537         if (!pending_selection_change) {
 538                 pending_selection_change = true;
 539         }
 540
 541         current_selection->set_format (format);
 542
 543         if (format) {
 544
 545                 /* Slect right quality for format */
 546
 547                 ExportFormatBase::Quality quality = format->get_quality();
 548                 for (QualityList::iterator it = qualities.begin (); it != qualities.end (); ++it) {
 549                         if ((*it)->quality == quality) {
 550                                 (*it)->set_selected (true);
 551                         } else {
 552                                 (*it)->set_selected (false);
 553                         }
 554                 }
 555
 556                 /* Handle sample formats */
 557
 558                 ExportFormatBase::SampleFormat format_to_select;
 559                 if (format->sample_format_is_compatible (current_selection->sample_format())) {
 560                         format_to_select = current_selection->sample_format();
 561                 } else {
 562                         format_to_select = format->default_sample_format();
 563                 }
 564
 565                 boost::shared_ptr<HasSampleFormat> hsf;
 566                 if ((hsf = boost::dynamic_pointer_cast<HasSampleFormat> (format))) {
 567                         SampleFormatList sample_formats = hsf->get_sample_formats();
 568                         for (SampleFormatList::iterator it = sample_formats.begin (); it != sample_formats.end (); ++it) {
 569                                 if ((*it)->format == format_to_select) {
 570                                         (*it)->set_selected (true);
 571                                 } else {
 572                                         (*it)->set_selected (false);
 573                                 }
 574                         }
 575                 }
 576
 577                 current_selection->set_sample_format (format_to_select);
 578
 579         } else {
 580                 ExportFormatPtr current_format = get_selected_format ();
 581                 if (current_format) {
 582                         current_format->set_selected (false);
 583                 }
 584         }
 585
 586         if (do_selection_changed) {
 587                 selection_changed ();
 588         }
 589 }
 590
 591 void
 592 ExportFormatManager::select_sample_rate (SampleRatePtr const & rate)
 593 {
 594
 595         bool do_selection_changed = !pending_selection_change;
 596         if (!pending_selection_change) {
 597                 pending_selection_change = true;
 598         }
 599
 600         if (rate) {
 601                 current_selection->set_sample_rate (rate->rate);
 602         } else {
 603                 current_selection->set_sample_rate (ExportFormatBase::SR_None);
 604
 605                 SampleRatePtr current_rate = get_selected_sample_rate();
 606                 if (current_rate) {
 607                         current_rate->set_selected (false);
 608                 }
 609         }
 610
 611         if (do_selection_changed) {
 612                 selection_changed ();
 613         }
 614 }
 615
 616 void
 617 ExportFormatManager::select_sample_format (SampleFormatPtr const & format)
 618 {
 619
 620         bool do_selection_changed = !pending_selection_change;
 621         if (!pending_selection_change) {
 622                 pending_selection_change = true;
 623         }
 624
 625         if (format) {
 626                 current_selection->set_sample_format (format->format);
 627         } else {
 628                 current_selection->set_sample_format (ExportFormatBase::SF_None);
 629
 630                 SampleFormatPtr current_format = get_selected_sample_format();
 631                 if (current_format) {
 632                         current_format->set_selected (false);
 633                 }
 634         }
 635
 636         if (do_selection_changed) {
 637                 selection_changed ();
 638         }
 639 }
 640
 641 void
 642 ExportFormatManager::select_dither_type (DitherTypePtr const & type)
 643 {
 644
 645         bool do_selection_changed = !pending_selection_change;
 646         if (!pending_selection_change) {
 647                 pending_selection_change = true;
 648         }
 649
 650         if (type) {
 651                 current_selection->set_dither_type (type->type);
 652         } else {
 653                 current_selection->set_dither_type (ExportFormatBase::D_None);
 654         }
 655
 656         if (do_selection_changed) {
 657                 selection_changed ();
 658         }
 659 }
 660
 661 void
 662 ExportFormatManager::selection_changed ()
 663 {
 664         /* Get a list of incompatible compatibility selections */
 665
 666         CompatList incompatibles;
 667         for (CompatList::iterator it = compatibilities.begin(); it != compatibilities.end(); ++it) {
 668                 if (!current_selection->is_compatible_with (**it)) {
 669                         incompatibles.push_back (*it);
 670                 }
 671         }
 672
 673         /* Deselect them */
 674
 675         for (CompatList::iterator it = incompatibles.begin(); it != incompatibles.end(); ++it) {
 676                 (*it)->set_selected (false);
 677         }
 678
 679         /* Mark compatibility for everything necessary */
 680
 681         std::set<ExportFormatBase::Quality> compatible_qualities;
 682         ExportFormatBasePtr compat_intersect = get_compatibility_intersection ();
 683         ExportFormatCompatibility global_compat (*compat_intersect);
 684
 685         for (FormatList::iterator it = formats.begin(); it != formats.end(); ++it) {
 686                 if ((*it)->set_compatibility_state (global_compat)) {
 687                         compatible_qualities.insert ((*it)->get_quality());
 688                 }
 689         }
 690
 691         bool any_quality_compatible = true;
 692         for (QualityList::iterator it = qualities.begin(); it != qualities.end(); ++it) {
 693                 if (compatible_qualities.find((*it)->quality) != compatible_qualities.end()) {
 694                         (*it)->set_compatible (true);
 695
 696                 } else {
 697                         (*it)->set_compatible (false);
 698
 699                         if ((*it)->quality != ExportFormatBase::Q_Any) {
 700                                 any_quality_compatible = false;
 701                         }
 702                 }
 703         }
 704
 705         if (any_quality_compatible) {
 706                 for (QualityList::iterator it = qualities.begin(); it != qualities.end(); ++it) {
 707                         if ((*it)->quality == ExportFormatBase::Q_Any) {
 708                                 (*it)->set_compatible (true);
 709                                 break;
 710                         }
 711                 }
 712         }
 713
 714         for (SampleRateList::iterator it = sample_rates.begin(); it != sample_rates.end(); ++it) {
 715                 if (compat_intersect->has_sample_rate ((*it)->rate)) {
 716                         (*it)->set_compatible (true);
 717                 } else {
 718                         (*it)->set_compatible (false);
 719                 }
 720         }
 721
 722         boost::shared_ptr<HasSampleFormat> hsf;
 723         if ((hsf = boost::dynamic_pointer_cast<HasSampleFormat> (get_selected_format()))) {
 724
 725                 SampleFormatList sf_list = hsf->get_sample_formats();
 726                 for (SampleFormatList::iterator it = sf_list.begin(); it != sf_list.end(); ++it) {
 727                         if (compat_intersect->has_sample_format ((*it)->format)) {
 728                                 (*it)->set_compatible (true);
 729                         } else {
 730                                 (*it)->set_compatible (false);
 731                         }
 732                 }
 733
 734         }
 735
 736         /* Signal completeness and possible description change */
 737
 738         CompleteChanged (current_selection->is_complete());
 739         check_for_description_change ();
 740
 741         /* Reset pending state */
 742
 743         pending_selection_change = false;
 744 }
 745
 746 void
 747 ExportFormatManager::check_for_description_change ()
 748 {
 749         std::string new_description = current_selection->description();
 750         if (new_description == prev_description) { return; }
 751
 752         prev_description = new_description;
 753         DescriptionChanged();
 754 }
 755
 756 ExportFormatManager::QualityPtr
 757 ExportFormatManager::get_selected_quality ()
 758 {
 759         for (QualityList::iterator it = qualities.begin(); it != qualities.end(); ++it) {
 760                 if ((*it)->selected()) {
 761                         return *it;
 762                 }
 763         }
 764
 765         return QualityPtr();
 766 }
 767
 768 ExportFormatPtr
 769 ExportFormatManager::get_selected_format ()
 770 {
 771         ExportFormatPtr format;
 772
 773         for (FormatList::iterator it = formats.begin(); it != formats.end(); ++it) {
 774                 if ((*it)->selected()) {
 775                         return *it;
 776                 }
 777         }
 778
 779         return format;
 780 }
 781
 782 ExportFormatManager::SampleRatePtr
 783 ExportFormatManager::get_selected_sample_rate ()
 784 {
 785         for (SampleRateList::iterator it = sample_rates.begin(); it != sample_rates.end(); ++it) {
 786                 if ((*it)->selected()) {
 787                         return *it;
 788                 }
 789         }
 790
 791         return SampleRatePtr();
 792 }
 793
 794 ExportFormatManager::SampleFormatPtr
 795 ExportFormatManager::get_selected_sample_format ()
 796 {
 797         boost::shared_ptr<HasSampleFormat> hsf;
 798
 799         if ((hsf = boost::dynamic_pointer_cast<HasSampleFormat> (get_selected_format()))) {
 800                 return hsf->get_selected_sample_format ();
 801         } else {
 802                 return SampleFormatPtr ();
 803         }
 804 }
 805
 806
 807 ExportFormatBasePtr
 808 ExportFormatManager::get_compatibility_intersection ()
 809 {
 810         ExportFormatBasePtr compat_intersect = universal_set;
 811
 812         for (CompatList::iterator it = compatibilities.begin(); it != compatibilities.end(); ++it) {
 813                 if ((*it)->selected ()) {
 814                         compat_intersect = compat_intersect->get_intersection (**it);
 815                 }
 816         }
 817
 818         return compat_intersect;
 819 }
 820
 821 }; // namespace ARDOUR