gtk2_ardour/export_dialog.cc

   1 /*
   2     Copyright (C) 1999-2005 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18
  19 */
  20
  21 #include <unistd.h>
  22 #include <utility>
  23 #include <sys/stat.h>
  24 #include <fstream>
  25
  26 #include <samplerate.h>
  27
  28 #include <pbd/convert.h>
  29 #include <pbd/xml++.h>
  30
  31 #include <gtkmm2ext/utils.h>
  32 #include <gtkmm2ext/window_title.h>
  33
  34 #include <ardour/export.h>
  35 #include <ardour/sndfile_helpers.h>
  36 #include <ardour/audio_track.h>
  37 #include <ardour/audioregion.h>
  38 #include <ardour/audioengine.h>
  39 #include <ardour/gdither.h>
  40 #include <ardour/utils.h>
  41
  42 #include "export_dialog.h"
  43 #include "ardour_ui.h"
  44 #include "public_editor.h"
  45 #include "keyboard.h"
  46
  47 #include "i18n.h"
  48
  49 #define FRAME_NAME "BaseFrame"
  50
  51 using namespace std;
  52 using namespace ARDOUR;
  53 using namespace PBD;
  54 using namespace sigc;
  55 using namespace Gtk;
  56 using namespace Gtkmm2ext;
  57
  58 using PBD::internationalize;
  59
  60 static const gchar *sample_rates[] = {
  61         N_("22.05kHz"),
  62         N_("44.1kHz"),
  63         N_("48kHz"),
  64         N_("88.2kHz"),
  65         N_("96kHz"),
  66         N_("192kHz"),
  67         0
  68 };
  69
  70 static const gchar *src_quality[] = {
  71         N_("best"),
  72         N_("fastest"),
  73         N_("linear"),
  74         N_("better"),
  75         N_("intermediate"),
  76         0
  77 };
  78
  79 static const gchar *dither_types[] = {
  80         N_("None"),
  81         N_("Rectangular"),
  82         N_("Shaped Noise"),
  83         N_("Triangular"),
  84         0
  85 };
  86
  87 static const gchar* channel_strings[] = {
  88         N_("stereo"),
  89         N_("mono"),
  90         0
  91 };
  92
  93 static const gchar* cue_file_types[] = {
  94         N_("None"),
  95         N_("CUE"),
  96         N_("TOC"),
  97         0
  98 };
  99
 100 ExportDialog::ExportDialog(PublicEditor& e)
 101         : ArdourDialog ("export dialog"),
 102           editor (e),
 103           format_table (9, 2),
 104           format_frame (_("Format")),
 105           cue_file_label (_("CD Marker File Type"), 1.0, 0.5),
 106           channel_count_label (_("Channels"), 1.0, 0.5),
 107           header_format_label (_("File Type"), 1.0, 0.5),
 108           bitdepth_format_label (_("Sample Format"), 1.0, 0.5),
 109           endian_format_label (_("Sample Endianness"), 1.0, 0.5),
 110           sample_rate_label (_("Sample Rate"), 1.0, 0.5),
 111           src_quality_label (_("Conversion Quality"), 1.0, 0.5),
 112           dither_type_label (_("Dither Type"), 1.0, 0.5),
 113           cuefile_only_checkbox (_("Export CD Marker File Only")),
 114           file_browse_button (_("Browse")),
 115           track_selector_button (_("Specific tracks ..."))
 116 {
 117         guint32 n;
 118         guint32 len;
 119         guint32 maxlen;
 120
 121         session = 0;
 122         track_and_master_selection_allowed = true;
 123         channel_count_selection_allowed = true;
 124         export_cd_markers_allowed = true;
 125
 126         WindowTitle title(Glib::get_application_name());
 127         title += _("Export");
 128
 129         set_title (title.get_string());
 130         set_wmclass (X_("ardour_export"), "Ardour");
 131         set_name ("ExportWindow");
 132         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 133
 134         spec.running = false;
 135
 136         file_entry.set_name ("ExportFileNameEntry");
 137
 138         master_list = ListStore::create (exp_cols);
 139         master_selector.set_model (master_list);
 140
 141         master_selector.set_name ("ExportTrackSelector");
 142         master_selector.set_size_request (-1, 100);
 143         master_selector.append_column(_("Output"), exp_cols.output);
 144         master_selector.append_column_editable(_("Left"), exp_cols.left);
 145         master_selector.append_column_editable(_("Right"), exp_cols.right);
 146         master_selector.get_column(0)->set_min_width(100);
 147
 148         master_selector.get_column(1)->set_min_width(40);
 149         master_selector.get_column(1)->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
 150         master_selector.get_column(2)->set_min_width(40);
 151         master_selector.get_column(2)->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
 152         master_selector.get_selection()->set_mode (Gtk::SELECTION_NONE);
 153
 154         track_list = ListStore::create (exp_cols);
 155         track_selector.set_model (track_list);
 156
 157         track_selector.set_name ("ExportTrackSelector");
 158         track_selector.set_size_request (-1, 130);
 159         track_selector.append_column(_("Output"), exp_cols.output);
 160         track_selector.append_column_editable(_("Left"), exp_cols.left);
 161         track_selector.append_column_editable(_("Right"), exp_cols.right);
 162
 163         track_selector.get_column(0)->set_min_width(100);
 164         track_selector.get_column(1)->set_min_width(40);
 165         track_selector.get_column(1)->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
 166         track_selector.get_column(2)->set_min_width(40);
 167         track_selector.get_column(2)->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
 168         track_selector.get_selection()->set_mode (Gtk::SELECTION_NONE);
 169
 170         progress_bar.set_name ("ExportProgress");
 171
 172         format_frame.add (format_table);
 173         format_frame.set_name (FRAME_NAME);
 174
 175         track_scroll.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 176         master_scroll.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 177
 178         get_vbox()->pack_start (file_frame, false, false);
 179
 180         hpacker.set_spacing (5);
 181         hpacker.set_border_width (5);
 182         hpacker.pack_start (format_frame, false, false);
 183
 184         master_scroll.add (master_selector);
 185         track_scroll.add (track_selector);
 186
 187         master_scroll.set_size_request (220, 100);
 188         track_scroll.set_size_request (220, 100);
 189
 190         /* we may hide some of these later */
 191         track_vpacker.pack_start (master_scroll);
 192         track_vpacker.pack_start (track_scroll);
 193         track_vpacker.pack_start (track_selector_button, Gtk::PACK_EXPAND_PADDING);
 194
 195         hpacker.pack_start (track_vpacker);
 196
 197         get_vbox()->pack_start (hpacker);
 198
 199         track_selector_button.set_name ("EditorGTKButton");
 200         track_selector_button.signal_clicked().connect (mem_fun(*this, &ExportDialog::track_selector_button_click));
 201
 202         get_vbox()->pack_start (progress_bar, false, false);
 203
 204         Gtkmm2ext::set_size_request_to_display_given_text (file_entry, X_("Kg/quite/a/reasonable/size/for/files/i/think"), 5, 8);
 205
 206         file_hbox.set_spacing (5);
 207         file_hbox.set_border_width (5);
 208         file_hbox.pack_start (file_entry, true, true);
 209         file_hbox.pack_start (file_browse_button, false, false);
 210
 211         file_frame.add (file_hbox);
 212         file_frame.set_border_width (5);
 213         file_frame.set_name (FRAME_NAME);
 214
 215         /* pop_strings needs to be created on the stack because set_popdown_strings()
 216            takes a reference.
 217         */
 218
 219         vector<string> pop_strings = I18N(sample_rates);
 220         Gtkmm2ext::set_popdown_strings (sample_rate_combo, pop_strings);
 221         sample_rate_combo.set_active_text (pop_strings.front());
 222         pop_strings = I18N(src_quality);
 223         Gtkmm2ext::set_popdown_strings (src_quality_combo, pop_strings);
 224         src_quality_combo.set_active_text (pop_strings.front());
 225         pop_strings = I18N(dither_types);
 226         Gtkmm2ext::set_popdown_strings (dither_type_combo, pop_strings);
 227         dither_type_combo.set_active_text (pop_strings.front());
 228         pop_strings = I18N(channel_strings);
 229         Gtkmm2ext::set_popdown_strings (channel_count_combo, pop_strings);
 230         channel_count_combo.set_active_text (pop_strings.front());
 231         pop_strings = I18N((const char **) sndfile_header_formats_strings);
 232         Gtkmm2ext::set_popdown_strings (header_format_combo, pop_strings);
 233         header_format_combo.set_active_text (pop_strings.front());
 234         pop_strings = I18N((const char **) sndfile_bitdepth_formats_strings);
 235         Gtkmm2ext::set_popdown_strings (bitdepth_format_combo, pop_strings);
 236         bitdepth_format_combo.set_active_text (pop_strings.front());
 237         pop_strings = I18N((const char **) sndfile_endian_formats_strings);
 238         Gtkmm2ext::set_popdown_strings (endian_format_combo, pop_strings);
 239         endian_format_combo.set_active_text (pop_strings.front());
 240         pop_strings = I18N(cue_file_types);
 241         Gtkmm2ext::set_popdown_strings (cue_file_combo, pop_strings);
 242         cue_file_combo.set_active_text (pop_strings.front());
 243
 244         /* this will re-sensitized as soon as a non RIFF/WAV
 245            header format is chosen.
 246         */
 247
 248         endian_format_combo.set_sensitive (false);
 249
 250         /* determine longest strings at runtime */
 251
 252         maxlen = 0;
 253         const char *longest = X_("gl"); /* translators: one ascender, one descender */
 254         string longest_str;
 255
 256         for (n = 0; n < SNDFILE_HEADER_FORMATS; ++n) {
 257                 if ((len = strlen (sndfile_header_formats_strings[n])) > maxlen) {
 258                         maxlen = len;
 259                         longest = sndfile_header_formats_strings[n];
 260                 }
 261         }
 262
 263         for (n = 0; n < SNDFILE_BITDEPTH_FORMATS; ++n) {
 264                 if ((len = strlen (sndfile_bitdepth_formats_strings[n])) > maxlen) {
 265                         maxlen = len;
 266                         longest = sndfile_bitdepth_formats_strings[n];
 267                 }
 268         }
 269
 270         for (n = 0; n < SNDFILE_ENDIAN_FORMATS; ++n) {
 271                 if ((len = strlen (sndfile_endian_formats_strings[n])) > maxlen) {
 272                         maxlen = len;
 273                         longest = sndfile_endian_formats_strings[n];
 274                 }
 275         }
 276
 277         longest_str = longest;
 278
 279         /* force ascender + descender */
 280
 281         longest_str[0] = 'g';
 282         longest_str[1] = 'l';
 283
 284         //Gtkmm2ext::set_size_request_to_display_given_text (header_format_combo, longest_str.c_str(), 5+FUDGE, 5);
 285
 286         // TRANSLATORS: "slereg" is "stereo" with ascender and descender substituted
 287         //Gtkmm2ext::set_size_request_to_display_given_text (channel_count_combo, _("slereg"), 5+FUDGE, 5);
 288
 289 /*      header_format_combo.set_focus_on_click (true);
 290         bitdepth_format_combo.set_focus_on_click (true);
 291         endian_format_combo.set_focus_on_click (true);
 292         channel_count_combo.set_focus_on_click (true);
 293         src_quality_combo.set_focus_on_click (true);
 294         dither_type_combo.set_focus_on_click (true);
 295         sample_rate_combo.set_focus_on_click (true);
 296         cue_file_combo.set_focus_on_click (true);
 297 */
 298         dither_type_label.set_name ("ExportFormatLabel");
 299         sample_rate_label.set_name ("ExportFormatLabel");
 300         src_quality_label.set_name ("ExportFormatLabel");
 301         channel_count_label.set_name ("ExportFormatLabel");
 302         header_format_label.set_name ("ExportFormatLabel");
 303         bitdepth_format_label.set_name ("ExportFormatLabel");
 304         endian_format_label.set_name ("ExportFormatLabel");
 305         cue_file_label.set_name ("ExportFormatLabel");
 306
 307         header_format_combo.set_name ("ExportFormatDisplay");
 308         bitdepth_format_combo.set_name ("ExportFormatDisplay");
 309         endian_format_combo.set_name ("ExportFormatDisplay");
 310         channel_count_combo.set_name ("ExportFormatDisplay");
 311         dither_type_combo.set_name ("ExportFormatDisplay");
 312         src_quality_combo.set_name ("ExportFormatDisplay");
 313         sample_rate_combo.set_name ("ExportFormatDisplay");
 314         cue_file_combo.set_name ("ExportFormatDisplay");
 315
 316         cuefile_only_checkbox.set_name ("ExportCheckbox");
 317
 318         format_table.set_homogeneous (false);
 319         format_table.set_border_width (5);
 320         format_table.set_col_spacings (5);
 321         format_table.set_row_spacings (5);
 322
 323         format_table.attach (channel_count_label, 0, 1, 0, 1);
 324         format_table.attach (channel_count_combo, 1, 2, 0, 1);
 325
 326         format_table.attach (header_format_label, 0, 1, 1, 2);
 327         format_table.attach (header_format_combo, 1, 2, 1, 2);
 328
 329         format_table.attach (bitdepth_format_label, 0, 1, 2, 3);
 330         format_table.attach (bitdepth_format_combo, 1, 2, 2, 3);
 331
 332         format_table.attach (endian_format_label, 0, 1, 3, 4);
 333         format_table.attach (endian_format_combo, 1, 2, 3, 4);
 334
 335         format_table.attach (sample_rate_label, 0, 1, 4, 5);
 336         format_table.attach (sample_rate_combo, 1, 2, 4, 5);
 337
 338         format_table.attach (src_quality_label, 0, 1, 5, 6);
 339         format_table.attach (src_quality_combo, 1, 2, 5, 6);
 340
 341         format_table.attach (dither_type_label, 0, 1, 6, 7);
 342         format_table.attach (dither_type_combo, 1, 2, 6, 7);
 343
 344         format_table.attach (cue_file_label, 0, 1, 7, 8);
 345         format_table.attach (cue_file_combo, 1, 2, 7, 8);
 346         format_table.attach (cuefile_only_checkbox, 0, 2, 8, 9);
 347
 348         file_entry.set_name ("ExportFileDisplay");
 349
 350         signal_delete_event().connect (mem_fun(*this, &ExportDialog::window_closed));
 351
 352         cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
 353         cancel_button->signal_clicked().connect (mem_fun(*this, &ExportDialog::end_dialog));
 354         ok_button = add_button (_("Export"), RESPONSE_ACCEPT);
 355         ok_button->signal_clicked().connect (mem_fun(*this, &ExportDialog::do_export));
 356
 357         file_browse_button.set_name ("EditorGTKButton");
 358         file_browse_button.signal_clicked().connect (mem_fun(*this, &ExportDialog::browse));
 359
 360         channel_count_combo.signal_changed().connect (mem_fun(*this, &ExportDialog::channels_chosen));
 361         bitdepth_format_combo.signal_changed().connect (mem_fun(*this, &ExportDialog::bitdepth_chosen));
 362         header_format_combo.signal_changed().connect (mem_fun(*this, &ExportDialog::header_chosen));
 363         sample_rate_combo.signal_changed().connect (mem_fun(*this, &ExportDialog::sample_rate_chosen));
 364         cue_file_combo.signal_changed().connect (mem_fun(*this, &ExportDialog::cue_file_type_chosen));
 365 }
 366
 367 ExportDialog::~ExportDialog()
 368 {
 369 }
 370
 371 void
 372 ExportDialog::do_not_allow_track_and_master_selection()
 373 {
 374         track_and_master_selection_allowed = false;
 375         track_vpacker.set_no_show_all();
 376 }
 377
 378 void
 379 ExportDialog::do_not_allow_channel_count_selection()
 380 {
 381         channel_count_selection_allowed = false;
 382         channel_count_combo.set_no_show_all();
 383         channel_count_label.set_no_show_all();
 384 }
 385
 386 void
 387 ExportDialog::do_not_allow_export_cd_markers()
 388 {
 389         export_cd_markers_allowed = false;
 390         cue_file_label.set_no_show_all();
 391         cue_file_combo.set_no_show_all();
 392         cuefile_only_checkbox.set_no_show_all();
 393 }
 394
 395 void
 396 ExportDialog::connect_to_session (Session *s)
 397 {
 398         session = s;
 399         session->GoingAway.connect (mem_fun(*this, &Window::hide_all));
 400
 401         switch (session->frame_rate()) {
 402         case 22050:
 403                 sample_rate_combo.set_active_text (_("22.05kHz"));
 404                 break;
 405         case 44100:
 406                 sample_rate_combo.set_active_text (_("44.1kHz"));
 407                 break;
 408         case 48000:
 409                 sample_rate_combo.set_active_text (_("48kHz"));
 410                 break;
 411         case 88200:
 412                 sample_rate_combo.set_active_text (_("88.2kHz"));
 413                 break;
 414         case 96000:
 415                 sample_rate_combo.set_active_text (_("96kHz"));
 416                 break;
 417         case 192000:
 418                 sample_rate_combo.set_active_text (_("192kHz"));
 419                 break;
 420         default:
 421                 sample_rate_combo.set_active_text (_("44.1kHz"));
 422                 break;
 423         }
 424
 425         src_quality_combo.set_sensitive (false);
 426
 427         set_state();
 428 }
 429
 430 void
 431 ExportDialog::set_state()
 432 {
 433         XMLNode* node = session->instant_xml(X_("ExportDialog"), session->path());
 434         XMLProperty* prop;
 435
 436         if (node) {
 437
 438                 if ((prop = node->property (X_("sample_rate"))) != 0) {
 439                         sample_rate_combo.set_active_text(prop->value());
 440                 }
 441                 if ((prop = node->property (X_("src_quality"))) != 0) {
 442                         src_quality_combo.set_active_text(prop->value());
 443                 }
 444                 if ((prop = node->property (X_("dither_type"))) != 0) {
 445                         dither_type_combo.set_active_text(prop->value());
 446                 }
 447                 if ((prop = node->property (X_("channel_count"))) != 0) {
 448                         channel_count_combo.set_active_text(prop->value());
 449                 }
 450                 if ((prop = node->property (X_("header_format"))) != 0) {
 451                         header_format_combo.set_active_text(prop->value());
 452                 }
 453                 if ((prop = node->property (X_("bitdepth_format"))) != 0) {
 454                         bitdepth_format_combo.set_active_text(prop->value());
 455                 }
 456                 if ((prop = node->property (X_("endian_format"))) != 0) {
 457                         endian_format_combo.set_active_text(prop->value());
 458                 }
 459                 if ((prop = node->property (X_("filename"))) != 0) {
 460                         file_entry.set_text(prop->value());
 461                 }
 462                 if ((prop = node->property (X_("cue_file_type"))) != 0) {
 463                         cue_file_combo.set_active_text(prop->value());
 464                 }
 465         }
 466
 467         header_chosen ();
 468         bitdepth_chosen();
 469         channels_chosen();
 470         sample_rate_chosen();
 471
 472         if (session->master_out()) {
 473                 track_scroll.hide ();
 474         } else {
 475                 master_scroll.hide ();
 476                 track_selector_button.hide ();
 477         }
 478
 479         if (!node) {
 480                 return;
 481         }
 482
 483         if (session->master_out()) {
 484                 XMLNode* master = find_named_node(*node, (X_("Master")));
 485                 int nchns;
 486
 487                 if (!master) {
 488
 489                         /* default is to use all */
 490                         if (channel_count_combo.get_active_text() == _("mono")) {
 491                                 nchns = 1;
 492                         } else {
 493                                 nchns = 2;
 494                         }
 495
 496                         TreeModel::Children rows = master_selector.get_model()->children();
 497                         for (uint32_t r = 0; r < session->master_out()->n_outputs().get(DataType::AUDIO); ++r) {
 498                                 if (nchns == 2) {
 499                                         if (r % 2) {
 500                                                 rows[r][exp_cols.right] = true;
 501                                         } else {
 502                                                 rows[r][exp_cols.left] = true;
 503                                         }
 504                                 } else {
 505                                         rows[r][exp_cols.left] = true;
 506                                 }
 507                         }
 508
 509                 } else {
 510                         /* XXX use XML state */
 511                 }
 512         }
 513
 514         XMLNode* tracks = find_named_node(*node, (X_("Tracks")));
 515         if (!tracks) {
 516                 return;
 517         }
 518
 519         XMLNodeList track_list = tracks->children(X_("Track"));
 520         TreeModel::Children rows = track_selector.get_model()->children();
 521         TreeModel::Children::iterator ri = rows.begin();
 522         TreeModel::Row row;
 523
 524         for (XMLNodeIterator it = track_list.begin(); it != track_list.end(); ++it, ++ri) {
 525                 if (ri == rows.end()){
 526                         break;
 527                 }
 528
 529                 XMLNode* track = *it;
 530                 row = *ri;
 531
 532                 if ((prop = track->property(X_("channel1"))) != 0) {
 533                         if (prop->value() == X_("on")) {
 534                                 row[exp_cols.left] = true;
 535                         } else {
 536                                 row[exp_cols.left] = false;
 537                         }
 538                 }
 539
 540                 if ((prop = track->property(X_("channel2"))) != 0) {
 541                         if (prop->value() == X_("on")) {
 542                                 row[exp_cols.right] = true;
 543                         } else {
 544                                 row[exp_cols.right] = false;
 545                         }
 546                 }
 547         }
 548 }
 549
 550 void
 551 ExportDialog::save_state()
 552 {
 553         if (!session) {
 554                 return;
 555         }
 556
 557         XMLNode* node = new XMLNode(X_("ExportDialog"));
 558
 559         node->add_property(X_("sample_rate"), sample_rate_combo.get_active_text());
 560         node->add_property(X_("src_quality"), src_quality_combo.get_active_text());
 561         node->add_property(X_("dither_type"), dither_type_combo.get_active_text());
 562         node->add_property(X_("channel_count"), channel_count_combo.get_active_text());
 563         node->add_property(X_("header_format"), header_format_combo.get_active_text());
 564         node->add_property(X_("bitdepth_format"), bitdepth_format_combo.get_active_text());
 565         node->add_property(X_("endian_format"), endian_format_combo.get_active_text());
 566         node->add_property(X_("filename"), file_entry.get_text());
 567         node->add_property(X_("cue_file_type"), cue_file_combo.get_active_text());
 568
 569         XMLNode* tracks = new XMLNode(X_("Tracks"));
 570
 571         TreeModel::Children rows = track_selector.get_model()->children();
 572         TreeModel::Row row;
 573         for (TreeModel::Children::iterator ri = rows.begin(); ri != rows.end(); ++ri) {
 574                 XMLNode* track = new XMLNode(X_("Track"));
 575
 576                 row = *ri;
 577                 track->add_property(X_("channel1"), row[exp_cols.left] ? X_("on") : X_("off"));
 578                 track->add_property(X_("channel2"), row[exp_cols.right] ? X_("on") : X_("off"));
 579
 580                 tracks->add_child_nocopy(*track);
 581         }
 582         node->add_child_nocopy(*tracks);
 583
 584         session->add_instant_xml(*node, session->path());
 585 }
 586
 587 void
 588 ExportDialog::set_range (nframes_t start, nframes_t end)
 589 {
 590         spec.start_frame = start;
 591         spec.end_frame = end;
 592 }
 593
 594 gint
 595 ExportDialog::progress_timeout ()
 596 {
 597         progress_bar.set_fraction (spec.progress);
 598         return TRUE;
 599 }
 600
 601 void
 602 frames_to_cd_frames_string (char* buf, nframes_t when, nframes_t fr)
 603 {
 604
 605   long unsigned int remainder;
 606   int mins, secs, frames;
 607
 608         mins = when / (60 * fr);
 609         remainder = when - (mins * 60 * fr);
 610         secs = remainder / fr;
 611         remainder -= secs * fr;
 612         frames = remainder / (fr / 75);
 613         sprintf (buf, " %02d:%02d:%02d", mins, secs, frames);
 614
 615 }
 616
 617 struct LocationSortByStart {
 618     bool operator() (Location *a, Location *b) {
 619             return a->start() < b->start();
 620     }
 621 };
 622
 623 void
 624 ExportDialog::export_toc_file (Locations::LocationList& locations, const string& path)
 625 {
 626         if(!export_cd_markers_allowed){
 627                 return;
 628         }
 629
 630     string filepath = path + ".toc";
 631         ofstream out (filepath.c_str());
 632         long unsigned int last_end_time = spec.start_frame, last_start_time = spec.start_frame;
 633         int numtracks = 0;
 634         gchar buf[18];
 635
 636         if (!out) {
 637                 error << string_compose(_("Editor: cannot open \"%1\" as export file for CD toc file"), filepath) << endmsg;
 638                 return;
 639         }
 640         out << "CD_DA" << endl;
 641         out << "CD_TEXT {" << endl << "  LANGUAGE_MAP {" << endl << "    0 : EN" << endl << "  }" << endl;
 642         out << "  LANGUAGE 0 {" << endl << "    TITLE \"" << session->name() << "\"" << endl << "  }" << endl << "}" << endl;
 643
 644         Locations::LocationList::iterator i;
 645         Locations::LocationList temp;
 646
 647         for (i = locations.begin(); i != locations.end(); ++i) {
 648           if ((*i)->start() >= spec.start_frame && (*i)->end() <= spec.end_frame && (*i)->is_cd_marker() && !(*i)->is_end()) {
 649             temp.push_back (*i);
 650             if (!(*i)->is_mark()) {
 651               numtracks ++;
 652             }
 653           }
 654         }
 655
 656         if (numtracks == 0 ) {
 657                     /* the user supplied no track markers.
 658                        we now treat the session as one track.*/
 659
 660                     out << endl << "TRACK AUDIO" << endl;
 661
 662                     out << "COPY" << endl;
 663
 664                     out << "NO PRE_EMPHASIS" << endl;
 665
 666                     /* XXX add session properties for catalog etc.
 667                        (so far only the session name is used) */
 668
 669                     out << "CD_TEXT {" << endl << "  LANGUAGE 0 {" << endl << "     TITLE \"" << session->name() << "\"" << endl;
 670                     out << "  }" << endl << "}" << endl;
 671
 672                     out << "FILE \"" << path << "\" ";
 673                     out << "00:00:00 " ;
 674                     frames_to_cd_frames_string (buf, spec.end_frame - spec.start_frame, session->frame_rate());
 675                     out << buf << endl;
 676                     out << "START 00:00:00" << endl;
 677
 678                     last_start_time = spec.start_frame;
 679                     last_end_time = spec.end_frame;
 680         }
 681
 682         if (temp.size()) {
 683                 LocationSortByStart cmp;
 684                 temp.sort (cmp);
 685
 686                 for (i = temp.begin(); i != temp.end(); ++i) {
 687
 688                       if (!(*i)->is_mark()) {
 689                         /*this is a track */
 690                         out << endl << "TRACK AUDIO" << endl;
 691
 692                         if ((*i)->cd_info.find("scms") != (*i)->cd_info.end())  {
 693                           out << "NO ";
 694                         }
 695                         out << "COPY" << endl;
 696
 697                         if ((*i)->cd_info.find("preemph") != (*i)->cd_info.end())  {
 698                           out << "PRE_EMPHASIS" << endl;
 699                         } else {
 700                           out << "NO PRE_EMPHASIS" << endl;
 701                         }
 702
 703                         if ((*i)->cd_info.find("isrc") != (*i)->cd_info.end())  {
 704                           out << "ISRC \"" << (*i)->cd_info["isrc"] << "\"" << endl;
 705                         }
 706
 707                         out << "CD_TEXT {" << endl << "  LANGUAGE 0 {" << endl << "     TITLE \"" << (*i)->name() << "\"" << endl;
 708                         if ((*i)->cd_info.find("performer") != (*i)->cd_info.end()) {
 709                           out << "     PERFORMER \"" << (*i)->cd_info["performer"]  << "\"" << endl;
 710                         }
 711                         if ((*i)->cd_info.find("string_composer") != (*i)->cd_info.end()) {
 712                           out  << "     COMPOSER \"" << (*i)->cd_info["string_composer"] << "\"" << endl;
 713                         }
 714
 715                         if ((*i)->cd_info.find("isrc") != (*i)->cd_info.end()) {
 716                           out  << "     ISRC \"";
 717                           out << (*i)->cd_info["isrc"].substr(0,2) << "-";
 718                           out << (*i)->cd_info["isrc"].substr(2,3) << "-";
 719                           out << (*i)->cd_info["isrc"].substr(5,2) << "-";
 720                           out << (*i)->cd_info["isrc"].substr(7,5) << "\"" << endl;
 721                         }
 722
 723                         out << "  }" << endl << "}" << endl;
 724
 725                         frames_to_cd_frames_string (buf, last_end_time - spec.start_frame, session->frame_rate());
 726                         out << "FILE \"" << path << "\" " << buf;
 727
 728                         frames_to_cd_frames_string (buf, (*i)->end() - last_end_time, session->frame_rate());
 729                         out << buf << endl;
 730
 731                         frames_to_cd_frames_string (buf, (*i)->start() - last_end_time, session->frame_rate());
 732                         out << "START" << buf << endl;
 733
 734                         last_start_time = (*i)->start();
 735                         last_end_time = (*i)->end();
 736
 737
 738                       } else  if ((*i)->start() < last_end_time) {
 739                         /* this is an index within a track */
 740
 741                         frames_to_cd_frames_string (buf, (*i)->start() - last_start_time, session->frame_rate());
 742                         out << "INDEX" << buf << endl;
 743                       }
 744                 }
 745         }
 746
 747 }
 748
 749 void
 750 ExportDialog::export_cue_file (Locations::LocationList& locations, const string& path)
 751 {
 752         if(!export_cd_markers_allowed){
 753                 return;
 754         }
 755
 756     string filepath = path + ".cue";
 757         ofstream out (filepath.c_str());
 758         gchar buf[18];
 759         long unsigned int last_track_end = spec.start_frame;
 760         int numtracks = 0, tracknum = 0, indexnum = 0;
 761
 762         if (!out) {
 763                 error << string_compose(_("Editor: cannot open \"%1\" as export file for CD cue file"), filepath) << endmsg;
 764                 return;
 765         }
 766
 767         Locations::LocationList::iterator i;
 768         Locations::LocationList temp;
 769
 770         for (i = locations.begin(); i != locations.end(); ++i) {
 771                 if ((*i)->start() >= spec.start_frame && (*i)->end() <= spec.end_frame && (*i)->is_cd_marker() && !(*i)->is_end()) {
 772                         temp.push_back (*i);
 773                         if (!(*i)->is_mark()) {
 774                                 numtracks++;
 775                         }
 776                 }
 777         }
 778
 779         out << "REM Cue file generated by Ardour" << endl;
 780         out << "TITLE \"" << session->name() << "\"" << endl;
 781
 782         if ((header_format_combo.get_active_text() == N_("WAV"))) {
 783                   out << "FILE " << path  << " WAVE" << endl;
 784         } else {
 785                   out << "FILE " << path  << ' ' << (header_format_combo.get_active_text()) << endl;
 786         }
 787
 788         if (numtracks == 0) {
 789                     /* the user has supplied no track markers.
 790                        the entire export is treated as one track.
 791                     */
 792
 793                   numtracks++;
 794                   tracknum++;
 795                   indexnum = 0;
 796                   out << endl << "TRACK " << tracknum << " AUDIO" << endl;
 797                   out << "FLAGS " ;
 798
 799                   out << "DCP " << endl;
 800
 801                   /* use the session name*/
 802
 803                   if (session->name() != "") {
 804                     out << "TITLE \"" << session->name() << "\"" << endl;
 805                   }
 806
 807                   /* no pregap in this case */
 808
 809                   out << "INDEX 00 00:00:00" << endl;
 810                   indexnum++;
 811                   out << "INDEX 01 00:00:00" << endl;
 812                   indexnum++;
 813                   last_track_end = spec.end_frame;
 814         }
 815
 816         if (temp.size()) {
 817                 LocationSortByStart cmp;
 818                 temp.sort (cmp);
 819
 820                 for ( i = temp.begin(); i != temp.end(); ++i) {
 821
 822                     if (!(*i)->is_mark() && ((*i)->start() >= last_track_end)) {
 823                       /* this is a track and it doesn't start inside another one*/
 824
 825                       tracknum++;
 826                       indexnum = 0;
 827                       out << endl << "TRACK " << tracknum << " AUDIO" << endl;
 828                       out << "FLAGS " ;
 829
 830                       if ((*i)->cd_info.find("scms") != (*i)->cd_info.end())  {
 831                         out << "SCMS ";
 832                       } else {
 833                         out << "DCP ";
 834                       }
 835
 836                       if ((*i)->cd_info.find("preemph") != (*i)->cd_info.end())  {
 837                         out << "PRE";
 838                       }
 839                       out << endl;
 840
 841                       if ((*i)->cd_info.find("isrc") != (*i)->cd_info.end())  {
 842                         out << "ISRC " << (*i)->cd_info["isrc"] << endl;
 843
 844                       }
 845                       if ((*i)->name() != "") {
 846                         out << "TITLE \"" << (*i)->name() << "\"" << endl;
 847                       }
 848
 849                       if ((*i)->cd_info.find("performer") != (*i)->cd_info.end()) {
 850                         out << "PERFORMER \"" <<  (*i)->cd_info["performer"] << "\"" << endl;
 851                       }
 852
 853                       if ((*i)->cd_info.find("string_composer") != (*i)->cd_info.end()) {
 854                         out << "SONGWRITER \"" << (*i)->cd_info["string_composer"]  << "\"" << endl;
 855                       }
 856                         snprintf (buf, sizeof(buf), "INDEX %02d", indexnum);
 857                         out << buf;
 858                         frames_to_cd_frames_string (buf, last_track_end - spec.start_frame, session->frame_rate());
 859                         out << buf << endl;
 860                         indexnum++;
 861                         last_track_end = (*i)->end();
 862                     }
 863                     if ((tracknum > 0) && ((*i)->start() < last_track_end)) {
 864                       /*this is an index and it lies within a track*/
 865                       snprintf (buf, sizeof(buf), "INDEX %02d", indexnum);
 866                       out << buf;
 867                       frames_to_cd_frames_string (buf,(*i)->start() - spec.start_frame, session->frame_rate());
 868                       out << buf << endl;
 869                       indexnum++;
 870                     }
 871                 }
 872         }
 873
 874 }
 875
 876 void
 877 ExportDialog::do_export_cd_markers (const string& path,const string& cuefile_type)
 878 {
 879         if (cuefile_type == _("TOC")) {
 880                 session->locations()->apply (*this, &ExportDialog::export_toc_file, path);
 881         } else {
 882                 session->locations()->apply (*this, &ExportDialog::export_cue_file, path);
 883         }
 884 }
 885
 886
 887 void
 888 ExportDialog::do_export ()
 889 {
 890         string filepath = file_entry.get_text();
 891
 892         if(!is_filepath_valid(filepath)){
 893                 return;
 894         }
 895
 896         if (export_cd_markers_allowed) {
 897                 if (cue_file_combo.get_active_text () != _("None")) {
 898                         do_export_cd_markers (file_entry.get_text(), cue_file_combo.get_active_text ());
 899                 }
 900
 901                 if (cuefile_only_checkbox.get_active()) {
 902                         end_dialog ();
 903                         return;
 904                 }
 905         }
 906
 907         ok_button->set_sensitive(false);
 908         save_state();
 909
 910         set_modal (true);
 911
 912         // read user input into spec
 913         initSpec(filepath);
 914
 915         progress_connection = Glib::signal_timeout().connect (mem_fun(*this, &ExportDialog::progress_timeout), 100);
 916         cancel_label.set_text (_("Stop Export"));
 917
 918         export_audio_data();
 919
 920         progress_connection.disconnect ();
 921         end_dialog ();
 922 }
 923
 924 void
 925 ExportDialog::end_dialog ()
 926 {
 927         if (spec.running) {
 928                 spec.stop = true;
 929
 930                 while (spec.running) {
 931                         if (gtk_events_pending()) {
 932                                 gtk_main_iteration ();
 933                         } else {
 934                                 usleep (10000);
 935                         }
 936                 }
 937         }
 938
 939         session->finalize_audio_export ();
 940
 941         hide_all ();
 942
 943         set_modal (false);
 944         ok_button->set_sensitive(true);
 945 }
 946
 947 void
 948 ExportDialog::start_export ()
 949 {
 950         if (session == 0) {
 951                 return;
 952         }
 953
 954         /* If the filename hasn't been set before, use the
 955            current session's export directory as a default
 956            location for the export.
 957         */
 958
 959         if (file_entry.get_text().length() == 0) {
 960                 string dir = session->export_dir();
 961                 string::size_type last_slash;
 962
 963                 if ((last_slash = dir.find_last_of ('/')) != string::npos && last_slash != 0) {
 964                         dir = dir.substr (0, last_slash+1);
 965                 }
 966
 967                 if (!wants_dir()) {
 968                         dir = dir + "export.wav";
 969                 }
 970
 971                 file_entry.set_text (dir);
 972         }
 973
 974         progress_bar.set_fraction (0);
 975         cancel_label.set_text (_("Cancel"));
 976
 977         show_all ();
 978
 979         if (session->master_out()) {
 980                 track_scroll.hide ();
 981         } else {
 982                 master_scroll.hide ();
 983                 track_selector_button.hide ();
 984         }
 985 }
 986
 987 void
 988 ExportDialog::header_chosen ()
 989 {
 990         if (sndfile_header_format_from_string (header_format_combo.get_active_text ()) == SF_FORMAT_WAV) {
 991                 endian_format_combo.set_sensitive (false);
 992         } else {
 993                 endian_format_combo.set_sensitive (true);
 994         }
 995 }
 996
 997 void
 998 ExportDialog::bitdepth_chosen ()
 999 {
1000         int format = sndfile_bitdepth_format_from_string (bitdepth_format_combo.get_active_text ());
1001         switch (format) {
1002         case SF_FORMAT_PCM_24:
1003         case SF_FORMAT_PCM_32:
1004         case SF_FORMAT_FLOAT:
1005                 dither_type_combo.set_sensitive (false);
1006                 break;
1007
1008         default:
1009                 dither_type_combo.set_sensitive (true);
1010                 break;
1011         }
1012 }
1013
1014 void
1015 ExportDialog::cue_file_type_chosen ()
1016 {
1017         if (cue_file_combo.get_active_text () != "None") {
1018                 cuefile_only_checkbox.set_sensitive (true);
1019         } else {
1020                 cuefile_only_checkbox.set_active (false);
1021                 cuefile_only_checkbox.set_sensitive (false);
1022         }
1023 }
1024
1025 void
1026 ExportDialog::sample_rate_chosen ()
1027 {
1028         string sr_str = sample_rate_combo.get_active_text();
1029         nframes_t rate;
1030
1031         if (sr_str == N_("22.05kHz")) {
1032                 rate = 22050;
1033         } else if (sr_str == _("44.1kHz")) {
1034                 rate = 44100;
1035         } else if (sr_str == _("48kHz")) {
1036                 rate = 48000;
1037         } else if (sr_str == _("88.2kHz")) {
1038                 rate = 88200;
1039         } else if (sr_str == _("96kHz")) {
1040                 rate = 96000;
1041         } else if (sr_str == _("192kHz")) {
1042                 rate = 192000;
1043         } else {
1044                 rate = session->frame_rate();
1045         }
1046
1047         if (rate != session->frame_rate()) {
1048                 src_quality_combo.set_sensitive (true);
1049         } else {
1050                 src_quality_combo.set_sensitive (false);
1051         }
1052 }
1053
1054 void
1055 ExportDialog::channels_chosen ()
1056 {
1057         bool mono;
1058
1059         mono = (channel_count_combo.get_active_text() == _("mono"));
1060
1061         if (mono) {
1062                 track_selector.get_column(2)->set_visible(false);
1063                 track_selector.get_column(1)->set_title(_("Export"));
1064
1065                 if (session->master_out()) {
1066                         master_selector.get_column(2)->set_visible(false);
1067                         master_selector.get_column(1)->set_title(_("Export"));
1068                 }
1069
1070         } else {
1071                 track_selector.get_column(2)->set_visible(true);
1072                 track_selector.get_column(1)->set_title(_("Left"));
1073
1074                 if (session->master_out()) {
1075                         master_selector.get_column(2)->set_visible(true);
1076                         master_selector.get_column(1)->set_title(_("Left"));
1077                 }
1078         }
1079
1080         fill_lists();
1081 }
1082
1083 void
1084 ExportDialog::fill_lists ()
1085 {
1086         track_list->clear();
1087         master_list->clear();
1088
1089         boost::shared_ptr<Session::RouteList> routes = session->get_routes ();
1090
1091         for (Session::RouteList::iterator ri = routes->begin(); ri != routes->end(); ++ri) {
1092
1093                 boost::shared_ptr<Route> route = (*ri);
1094
1095                 if (route->hidden()) {
1096                         continue;
1097                 }
1098
1099                 for (uint32_t i=0; i < route->n_outputs().get(DataType::AUDIO); ++i) {
1100                         string name;
1101                         if (route->n_outputs().get(DataType::AUDIO) == 1) {
1102                                 name = route->name();
1103                         } else {
1104                                 name = string_compose("%1: out-%2", route->name(), i+1);
1105                         }
1106
1107                         if (route == session->master_out()) {
1108                                 TreeModel::iterator iter = master_list->append();
1109                                 TreeModel::Row row = *iter;
1110                                 row[exp_cols.output] = name;
1111                                 row[exp_cols.left] = false;
1112                                 row[exp_cols.right] = false;
1113                                 row[exp_cols.port] = route->output (i);
1114                         } else {
1115                                 TreeModel::iterator iter = track_list->append();
1116                                 TreeModel::Row row = *iter;
1117                                 row[exp_cols.output] = name;
1118                                 row[exp_cols.left] = false;
1119                                 row[exp_cols.right] = false;
1120                                 row[exp_cols.port] = route->output (i);
1121                         }
1122                 }
1123         }
1124 }
1125
1126
1127 bool
1128 ExportDialog::is_filepath_valid(string &filepath)
1129 {
1130         // sanity check file name first
1131
1132         struct stat statbuf;
1133
1134         if (filepath.empty()) {
1135                 string txt = _("Please enter a valid filename.");
1136                 MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
1137                 msg.run();
1138                 return false;
1139         }
1140
1141         // check if file exists already and warn
1142
1143         if (stat (filepath.c_str(), &statbuf) == 0) {
1144                 if (S_ISDIR (statbuf.st_mode)) {
1145                         string txt = _("Please specify a complete filename for the audio file.");
1146                         MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
1147                         msg.run();
1148                         return false;
1149                 }
1150                 else {
1151                         string txt = _("File already exists, do you want to overwrite it?");
1152                         MessageDialog msg (*this, txt, false, MESSAGE_QUESTION, BUTTONS_YES_NO, true);
1153                         if ((ResponseType) msg.run() == Gtk::RESPONSE_NO) {
1154                                 return false;
1155                         }
1156                 }
1157         }
1158
1159         // directory needs to exist and be writable
1160
1161         string dirpath = Glib::path_get_dirname (filepath);
1162         if (::access (dirpath.c_str(), W_OK) != 0) {
1163                 string txt = _("Cannot write file in: ") + dirpath;
1164                 MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
1165                 msg.run();
1166                 return false;
1167         }
1168
1169         return true;
1170 }
1171
1172 void
1173 ExportDialog::initSpec(string &filepath)
1174 {
1175         spec.path = filepath;
1176         spec.progress = 0;
1177         spec.running = true;
1178         spec.stop = false;
1179         spec.port_map.clear();
1180
1181         if (channel_count_combo.get_active_text() == _("mono")) {
1182                 spec.channels = 1;
1183         } else {
1184                 spec.channels = 2;
1185         }
1186
1187         spec.format = 0;
1188
1189         spec.format |= sndfile_header_format_from_string (header_format_combo.get_active_text ());
1190
1191         if ((spec.format & SF_FORMAT_WAV) == 0) {
1192                 /* RIFF/WAV specifies endianess */
1193                 spec.format |= sndfile_endian_format_from_string (endian_format_combo.get_active_text ());
1194         }
1195
1196         spec.format |= sndfile_bitdepth_format_from_string (bitdepth_format_combo.get_active_text ());
1197
1198         string sr_str = sample_rate_combo.get_active_text();
1199         if (sr_str == N_("22.05kHz")) {
1200                 spec.sample_rate = 22050;
1201         } else if (sr_str == _("44.1kHz")) {
1202                 spec.sample_rate = 44100;
1203         } else if (sr_str == _("48kHz")) {
1204                 spec.sample_rate = 48000;
1205         } else if (sr_str == _("88.2kHz")) {
1206                 spec.sample_rate = 88200;
1207         } else if (sr_str == _("96kHz")) {
1208                 spec.sample_rate = 96000;
1209         } else if (sr_str == _("192kHz")) {
1210                 spec.sample_rate = 192000;
1211         } else {
1212                 spec.sample_rate = session->frame_rate();
1213         }
1214
1215         string src_str = src_quality_combo.get_active_text();
1216         if (src_str == _("fastest")) {
1217                 spec.src_quality = SRC_ZERO_ORDER_HOLD;
1218         } else if (src_str == _("linear")) {
1219                 spec.src_quality = SRC_LINEAR;
1220         } else if (src_str == _("better")) {
1221                 spec.src_quality = SRC_SINC_FASTEST;
1222         } else if (src_str == _("intermediate")) {
1223                 spec.src_quality = SRC_SINC_MEDIUM_QUALITY;
1224         } else {
1225                 spec.src_quality = SRC_SINC_BEST_QUALITY;
1226         }
1227
1228         string dither_str = dither_type_combo.get_active_text();
1229         if (dither_str == _("None")) {
1230                 spec.dither_type = GDitherNone;
1231         } else if (dither_str == _("Rectangular")) {
1232                 spec.dither_type = GDitherRect;
1233         } else if (dither_str == _("Triangular")) {
1234                 spec.dither_type = GDitherTri;
1235         } else {
1236                 spec.dither_type = GDitherShaped;
1237         }
1238
1239         write_track_and_master_selection_to_spec();
1240 }
1241
1242
1243 void
1244 ExportDialog::write_track_and_master_selection_to_spec()
1245 {
1246         if(!track_and_master_selection_allowed){
1247                 return;
1248         }
1249
1250         uint32_t chan=0;
1251         Port *last_port = 0;
1252
1253         TreeModel::Children rows = master_selector.get_model()->children();
1254         TreeModel::Children::iterator ri;
1255         TreeModel::Row row;
1256         for (ri = rows.begin(); ri != rows.end(); ++ri) {
1257                 row = *ri;
1258                 Port* port = row[exp_cols.port];
1259
1260                 if (last_port != port) {
1261                         chan = 0;
1262                 }
1263
1264                 if (row[exp_cols.left]) {
1265                         spec.port_map[0].push_back (std::pair<Port*,uint32_t>(port, chan));
1266                 }
1267
1268                 if (spec.channels == 2) {
1269                         if (row[exp_cols.right]) {
1270                                 spec.port_map[1].push_back (std::pair<Port*,uint32_t>(port, chan));
1271                         }
1272                 }
1273         }
1274
1275         chan = 0;
1276         rows = track_selector.get_model()->children();
1277
1278         for (ri = rows.begin(); ri != rows.end(); ++ri) {
1279                 row = *ri;
1280
1281                 Port* port = row[exp_cols.port];
1282
1283                 if (last_port != port) {
1284                         chan = 0;
1285                 }
1286
1287                 if (row[exp_cols.left]) {
1288                         spec.port_map[0].push_back (std::pair<Port*,uint32_t>(port, chan));
1289                 }
1290
1291                 if (spec.channels == 2) {
1292                         if (row[exp_cols.right]) {
1293                                 spec.port_map[1].push_back (std::pair<Port*,uint32_t>(port, chan));
1294                         }
1295
1296                 }
1297
1298                 last_port = port;
1299                 ++chan;
1300         }
1301 }
1302
1303
1304 gint
1305 ExportDialog::window_closed (GdkEventAny *ignored)
1306 {
1307         end_dialog ();
1308         return TRUE;
1309 }
1310
1311 void
1312 ExportDialog::browse ()
1313 {
1314         FileChooserDialog dialog("Export to file", browse_action());
1315         dialog.set_transient_for(*this);
1316         dialog.set_filename (file_entry.get_text());
1317
1318         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1319         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1320
1321         int result = dialog.run();
1322
1323         if (result == Gtk::RESPONSE_OK) {
1324                 string filename = dialog.get_filename();
1325
1326                 if (filename.length()) {
1327                         file_entry.set_text (filename);
1328                 }
1329         }
1330 }
1331
1332 void
1333 ExportDialog::track_selector_button_click ()
1334 {
1335         if (track_scroll.is_visible ()) {
1336                 track_scroll.hide ();
1337         } else {
1338                 track_scroll.show_all ();
1339         }
1340 }