cinelerra-5.1/cinelerra/formattools.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2010-2013 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "asset.h"
  23 #include "bcsignals.h"
  24 #include "clip.h"
  25 #include "guicast.h"
  26 #include "file.h"
  27 #include "filesystem.h"
  28 #include "formattools.h"
  29 #include "language.h"
  30 #include "libdv.h"
  31 #include "libmjpeg.h"
  32 #include "maxchannels.h"
  33 #include "mwindow.h"
  34 #include "preferences.h"
  35 #include "theme.h"
  36 #include "videodevice.inc"
  37 #include <string.h>
  38 #include <unistd.h>
  39 #include <ctype.h>
  40
  41
  42 FormatTools::FormatTools(MWindow *mwindow,
  43                                 BC_WindowBase *window,
  44                                 Asset *asset)
  45 {
  46         this->mwindow = mwindow;
  47         this->window = window;
  48         this->asset = asset;
  49         this->plugindb = mwindow->plugindb;
  50
  51         aparams_button = 0;
  52         vparams_button = 0;
  53         aparams_thread = 0;
  54         vparams_thread = 0;
  55         audio_switch = 0;
  56         video_switch = 0;
  57         path_textbox = 0;
  58         path_button = 0;
  59         path_recent = 0;
  60         format_title = 0;
  61         format_button = 0;
  62         format_text = 0;
  63         audio_title = 0;
  64         video_title = 0;
  65         labeled_files = 0;
  66         w = window->get_w();
  67
  68         recording = 0;
  69         use_brender = 0;
  70         do_audio = 0;
  71         do_video = 0;
  72         prompt_audio = 0;
  73         prompt_audio_channels = 0;
  74         prompt_video = 0;
  75         prompt_video_compression = 0;
  76         file_per_label = 0;
  77         locked_compressor = 0;
  78         video_driver = 0;
  79 }
  80
  81 FormatTools::~FormatTools()
  82 {
  83         delete path_recent;
  84 SET_TRACE
  85         delete path_button;
  86 SET_TRACE
  87         delete path_textbox;
  88 SET_TRACE
  89         delete format_button;
  90 SET_TRACE
  91
  92         if(aparams_button) delete aparams_button;
  93 SET_TRACE
  94         if(vparams_button) delete vparams_button;
  95 SET_TRACE
  96         if(aparams_thread) delete aparams_thread;
  97 SET_TRACE
  98         if(vparams_thread) delete vparams_thread;
  99 SET_TRACE
 100 }
 101
 102 void FormatTools::create_objects(
 103                 int &init_x, int &init_y,
 104                 int do_audio, int do_video,   // Include support for audio, video
 105                 int prompt_audio, int prompt_video, // Include checkbox for audio, video
 106                 int prompt_audio_channels,
 107                 int prompt_video_compression,
 108                 const char *locked_compressor,
 109                 int recording,
 110                 int *file_per_label,
 111                 int brender,
 112                 int horizontal_layout)
 113 {
 114         int x = init_x;
 115         int y = init_y;
 116         int ylev = init_y;
 117         int margin = mwindow->theme->widget_border;
 118
 119         this->locked_compressor = locked_compressor;
 120         this->recording = recording;
 121         this->use_brender = brender;
 122         this->do_audio = do_audio;
 123         this->do_video = do_video;
 124         this->prompt_audio = prompt_audio;
 125         this->prompt_audio_channels = prompt_audio_channels;
 126         this->prompt_video = prompt_video;
 127         this->prompt_video_compression = prompt_video_compression;
 128         this->file_per_label = file_per_label;
 129
 130 //printf("FormatTools::create_objects 1\n");
 131
 132         if(!recording)
 133         {
 134                 int px = x;
 135                 window->add_subwindow(path_textbox = new FormatPathText(px, y, this));
 136                 px += path_textbox->get_w() + 5;
 137                 path_recent = new BC_RecentList("PATH", mwindow->defaults,
 138                                         path_textbox, 10, px, y, 300, 100);
 139                 window->add_subwindow(path_recent);
 140                 path_recent->load_items(File::formattostr(asset->format));
 141                 px += path_recent->get_w();
 142                 window->add_subwindow(path_button = new BrowseButton(
 143                         mwindow->theme, window, path_textbox, px, y, asset->path,
 144                         _("Output to file"), _("Select a file to write to:"), 0));
 145
 146 // Set w for user.
 147                 w = MAX(w, 305);
 148                 y += path_textbox->get_h() + 10;
 149         }
 150         else
 151         {
 152 //              w = x + 305;
 153                 w = 305;
 154         }
 155
 156         x = init_x;
 157         window->add_subwindow(format_title = new BC_Title(x, y, _("File Format:")));
 158         x += format_title->get_w() + margin;
 159         window->add_subwindow(format_text = new BC_TextBox(x, y, 160, 1,
 160                 File::formattostr(asset->format)));
 161         x += format_text->get_w() + margin;
 162 //printf("FormatTools::create_objects %d %p\n", __LINE__, window);
 163         window->add_subwindow(format_button = new FormatFormat(x, y, this));
 164         format_button->create_objects();
 165         x += format_button->get_w() + 5;
 166         window->add_subwindow(ffmpeg_type = new FFMpegType(x, y, 70, 1, asset->fformat));
 167         FFMPEG::set_asset_format(asset, asset->fformat);
 168         x += ffmpeg_type->get_w();
 169         window->add_subwindow(format_ffmpeg = new FormatFFMPEG(x, y, this));
 170         format_ffmpeg->create_objects();
 171         x = init_x;
 172         y += format_button->get_h() + 10;
 173         if( do_audio ) {
 174                 window->add_subwindow(audio_title = new BC_Title(x, y, _("Audio:"), LARGEFONT,
 175                         BC_WindowBase::get_resources()->audiovideo_color));
 176                 x += audio_title->get_w() + margin;
 177                 window->add_subwindow(aparams_button = new FormatAParams(mwindow, this, x, y));
 178                 x += aparams_button->get_w() + margin;
 179                 if(prompt_audio) {
 180                         window->add_subwindow(audio_switch = new FormatAudio(x, y, this, asset->audio_data));
 181                 }
 182                 x = init_x;
 183                 ylev = y;
 184                 y += aparams_button->get_h() + 10;
 185
 186 //printf("FormatTools::create_objects 6\n");
 187                 aparams_thread = new FormatAThread(this);
 188         }
 189
 190 //printf("FormatTools::create_objects 7\n");
 191         if( do_video ) {
 192                 if( horizontal_layout && do_audio ) {
 193                         x += 370;
 194                         y = ylev;
 195                 }
 196
 197 //printf("FormatTools::create_objects 8\n");
 198                 window->add_subwindow(video_title = new BC_Title(x, y, _("Video:"), LARGEFONT,
 199                         BC_WindowBase::get_resources()->audiovideo_color));
 200                 x += video_title->get_w() + margin;
 201                 if(prompt_video_compression) {
 202                         window->add_subwindow(vparams_button = new FormatVParams(mwindow, this, x, y));
 203                         x += vparams_button->get_w() + margin;
 204                 }
 205
 206 //printf("FormatTools::create_objects 9\n");
 207                 if(prompt_video) {
 208                         window->add_subwindow(video_switch = new FormatVideo(x, y, this, asset->video_data));
 209                         y += video_switch->get_h();
 210                 }
 211                 else {
 212                         y += vparams_button->get_h();
 213                 }
 214
 215 //printf("FormatTools::create_objects 10\n");
 216                 y += 10;
 217                 vparams_thread = new FormatVThread(this);
 218         }
 219
 220 //printf("FormatTools::create_objects 11\n");
 221
 222         x = init_x;
 223         if( file_per_label ) {
 224                 labeled_files = new FormatFilePerLabel(this, x, y, file_per_label);
 225                 window->add_subwindow(labeled_files);
 226                 y += labeled_files->get_h() + 10;
 227         }
 228
 229 //printf("FormatTools::create_objects 12\n");
 230
 231         init_y = y;
 232         update_format();
 233 }
 234
 235 void FormatTools::update_driver(int driver)
 236 {
 237         this->video_driver = driver;
 238
 239         locked_compressor = 0;
 240         switch(driver)
 241         {
 242                 case CAPTURE_DVB:
 243                 case VIDEO4LINUX2MPEG:
 244 // Just give the user information about how the stream is going to be
 245 // stored but don't change the asset.
 246 // Want to be able to revert to user settings.
 247                         if(asset->format == FILE_MPEG) break;
 248                         asset->format = FILE_MPEG;
 249                         format_text->update(File::formattostr(asset->format));
 250                         asset->audio_data = 1;
 251                         asset->video_data = 1;
 252                         audio_switch->update(1);
 253                         video_switch->update(1);
 254                         break;
 255
 256                 case CAPTURE_IEC61883:
 257                 case CAPTURE_FIREWIRE:
 258                 case VIDEO4LINUX2JPEG:
 259                 case CAPTURE_JPEG_WEBCAM:
 260                         asset->format = FILE_FFMPEG;
 261                         format_text->update(File::formattostr(asset->format));
 262
 263                         switch(driver) {
 264                         case CAPTURE_IEC61883:
 265                         case CAPTURE_FIREWIRE:
 266                                 locked_compressor = (char*)CODEC_TAG_DVSD;
 267                                 break;
 268
 269                         case VIDEO4LINUX2JPEG:
 270                                 locked_compressor = (char*)CODEC_TAG_MJPEG;
 271                                 break;
 272
 273                         case CAPTURE_JPEG_WEBCAM:
 274                                 locked_compressor = (char*)CODEC_TAG_JPEG;
 275                                 break;
 276                         }
 277                         if( locked_compressor )
 278                                 strcpy(asset->vcodec, locked_compressor);
 279
 280                         audio_switch->update(asset->audio_data);
 281                         video_switch->update(asset->video_data);
 282                         break;
 283
 284                 default:
 285                         format_text->update(File::formattostr(asset->format));
 286                         audio_switch->update(asset->audio_data);
 287                         video_switch->update(asset->video_data);
 288                         break;
 289         }
 290         close_format_windows();
 291         update_format();
 292 }
 293
 294 void FormatTools::update_format()
 295 {
 296         if( do_audio && prompt_audio && audio_switch ) {
 297                 audio_switch->update(asset->audio_data);
 298                 if( File::renders_audio(asset) )
 299                         audio_switch->enable();
 300                 else
 301                         audio_switch->disable();
 302         }
 303         if( do_video && prompt_video && video_switch ) {
 304                 video_switch->update(asset->video_data);
 305                 if( File::renders_video(asset) )
 306                         video_switch->enable();
 307                 else
 308                         video_switch->disable();
 309         }
 310         if( asset->format == FILE_FFMPEG ) {
 311                 ffmpeg_type->show();
 312                 format_ffmpeg->show();
 313         }
 314         else {
 315                 ffmpeg_type->hide();
 316                 format_ffmpeg->hide();
 317         }
 318 }
 319
 320 int FormatTools::handle_event()
 321 {
 322         return 0;
 323 }
 324
 325 Asset* FormatTools::get_asset()
 326 {
 327         return asset;
 328 }
 329
 330 void FormatTools::update_extension()
 331 {
 332         const char *extension = File::get_tag(asset->format);
 333 // split multiple extensions
 334         ArrayList<const char*> extensions;
 335         int len = !extension ? -1 : strlen(extension);
 336         const char *extension_ptr = extension;
 337         for(int i = 0; i <= len; i++)
 338         {
 339                 if(extension[i] == '/' || extension[i] == 0)
 340                 {
 341                         extensions.append(extension_ptr);
 342                         extension_ptr = extension + i + 1;
 343                 }
 344         }
 345
 346         if(extensions.size())
 347         {
 348                 char *ptr = strrchr(asset->path, '.');
 349                 if(!ptr)
 350                 {
 351                         ptr = asset->path + strlen(asset->path);
 352                         *ptr = '.';
 353                 }
 354                 ptr++;
 355
 356 // test for equivalent extension
 357                 int need_extension = 1;
 358                 //int extension_len = 0;
 359                 for(int i = 0; i < extensions.size() && need_extension; i++)
 360                 {
 361                         char *ptr1 = ptr;
 362                         extension_ptr = extensions.get(i);
 363 // test an extension
 364                         need_extension = 0;
 365                         while(*ptr1 != 0 && *extension_ptr != 0 && *extension_ptr != '/')
 366                         {
 367                                 if(tolower(*ptr1) != tolower(*extension_ptr))
 368                                 {
 369                                         need_extension = 1;
 370                                         break;
 371                                 }
 372                                 ptr1++;
 373                                 extension_ptr++;
 374                         }
 375
 376                         if(*ptr1 == 0 &&
 377                                 *extension_ptr != 0 &&
 378                                 *extension_ptr != '/')
 379                                 need_extension = 1;
 380                 }
 381
 382 //printf("FormatTools::update_extension %d %d\n", __LINE__, need_extension);
 383 // copy extension
 384                 if(need_extension)
 385                 {
 386                         char *ptr1 = ptr;
 387                         extension_ptr = asset->format != FILE_FFMPEG ?
 388                                 extensions.get(0) : asset->fformat;
 389                         while(*extension_ptr != 0 && *extension_ptr != '/')
 390                                 *ptr1++ = *extension_ptr++;
 391                         *ptr1 = 0;
 392                 }
 393
 394                 int character1 = ptr - asset->path;
 395                 int character2 = strlen(asset->path);
 396 //              *(asset->path + character2) = 0;
 397                 if(path_textbox)
 398                 {
 399                         path_textbox->update(asset->path);
 400                         path_textbox->set_selection(character1, character2, character2);
 401                 }
 402         }
 403 }
 404
 405 void FormatTools::update(Asset *asset, int *file_per_label)
 406 {
 407         this->asset = asset;
 408         this->file_per_label = file_per_label;
 409         if( file_per_label ) labeled_files->update(file_per_label);
 410         if( path_textbox ) path_textbox->update(asset->path);
 411         format_text->update(File::formattostr(asset->format));
 412         update_format();
 413         close_format_windows();
 414 }
 415
 416 void FormatTools::close_format_windows()
 417 {
 418 // This is done in ~file
 419         if( aparams_thread ) {
 420                 if( aparams_thread->running() )
 421                         aparams_thread->file->close_window();
 422                 aparams_thread->join();
 423         }
 424         if( vparams_thread ) {
 425                 if( vparams_thread->running() )
 426                         vparams_thread->file->close_window();
 427                 vparams_thread->join();
 428         }
 429 }
 430
 431 int FormatTools::get_w()
 432 {
 433         return asset->format != FILE_FFMPEG ? w :
 434                 format_ffmpeg->get_x() + format_ffmpeg->get_w();
 435 }
 436
 437 void FormatTools::set_w(int w)
 438 {
 439         this->w = w;
 440 }
 441
 442 void FormatTools::reposition_window(int &init_x, int &init_y)
 443 {
 444         int x = init_x;
 445         int y = init_y;
 446
 447         if(path_textbox)
 448         {
 449                 int px = x;
 450                 path_textbox->reposition_window(px, y);
 451                 px += path_textbox->get_w() + 5;
 452                 path_recent->reposition_window(px, y);
 453                 px += path_recent->get_w() + 8;
 454                 path_button->reposition_window(px, y);
 455                 y += path_textbox->get_h() + 10;
 456         }
 457
 458         format_title->reposition_window(x, y);
 459         x += 90;
 460         format_text->reposition_window(x, y);
 461         x += format_text->get_w();
 462         format_button->reposition_window(x, y);
 463
 464         x = init_x;
 465         y += format_button->get_h() + 10;
 466
 467         if(do_audio)
 468         {
 469                 audio_title->reposition_window(x, y);
 470                 x += 80;
 471                 aparams_button->reposition_window(x, y);
 472                 x += aparams_button->get_w() + 10;
 473                 if(prompt_audio) audio_switch->reposition_window(x, y);
 474
 475                 x = init_x;
 476                 y += aparams_button->get_h() + 10;
 477         }
 478
 479
 480         if(do_video)
 481         {
 482                 video_title->reposition_window(x, y);
 483                 x += 80;
 484                 if(prompt_video_compression)
 485                 {
 486                         vparams_button->reposition_window(x, y);
 487                         x += vparams_button->get_w() + 10;
 488                 }
 489
 490                 if(prompt_video)
 491                 {
 492                         video_switch->reposition_window(x, y);
 493                         y += video_switch->get_h();
 494                 }
 495                 else
 496                 {
 497                         y += vparams_button->get_h();
 498                 }
 499
 500                 y += 10;
 501                 x = init_x;
 502         }
 503
 504         if( file_per_label ) {
 505                 labeled_files->reposition_window(x, y);
 506                 y += labeled_files->get_h() + 10;
 507         }
 508
 509         init_y = y;
 510 }
 511
 512
 513 int FormatTools::set_audio_options()
 514 {
 515 //      if(video_driver == CAPTURE_DVB)
 516 //      {
 517 //              return 0;
 518 //      }
 519
 520         if(!aparams_thread->running())
 521         {
 522                 aparams_thread->start();
 523         }
 524         else
 525         {
 526                 aparams_thread->file->raise_window();
 527         }
 528         return 0;
 529 }
 530
 531 int FormatTools::set_video_options()
 532 {
 533 //      if(video_driver == CAPTURE_DVB)
 534 //      {
 535 //              return 0;
 536 //      }
 537
 538         if(!vparams_thread->running())
 539         {
 540                 vparams_thread->start();
 541         }
 542         else
 543         {
 544                 vparams_thread->file->raise_window();
 545         }
 546
 547         return 0;
 548 }
 549
 550
 551
 552
 553
 554 FormatAParams::FormatAParams(MWindow *mwindow, FormatTools *format, int x, int y)
 555  : BC_Button(x, y, mwindow->theme->get_image_set("wrench"))
 556 {
 557         this->format = format;
 558         set_tooltip(_("Configure audio compression"));
 559 }
 560
 561 FormatAParams::~FormatAParams()
 562 {
 563 }
 564
 565 int FormatAParams::handle_event()
 566 {
 567         format->set_audio_options();
 568         format->handle_event();
 569         return 1;
 570 }
 571
 572
 573
 574
 575
 576 FormatVParams::FormatVParams(MWindow *mwindow, FormatTools *format, int x, int y)
 577  : BC_Button(x, y, mwindow->theme->get_image_set("wrench"))
 578 {
 579         this->format = format;
 580         set_tooltip(_("Configure video compression"));
 581 }
 582
 583 FormatVParams::~FormatVParams()
 584 {
 585 }
 586
 587 int FormatVParams::handle_event()
 588 {
 589         format->set_video_options();
 590         format->handle_event();
 591         return 1;
 592 }
 593
 594
 595
 596
 597
 598 FormatAThread::FormatAThread(FormatTools *format)
 599  : Thread(1, 0, 0)
 600 {
 601         this->format = format;
 602         file = new File;
 603         joined = 1;
 604 }
 605
 606 FormatAThread::~FormatAThread()
 607 {
 608         delete file;  file = 0;
 609         join();
 610 }
 611
 612 void FormatAThread::start()
 613 {
 614         join();
 615         joined = 0;
 616         Thread::start();
 617 }
 618
 619
 620 void FormatAThread::run()
 621 {
 622         file->get_options(format, 1, 0);
 623 }
 624
 625
 626
 627
 628 FormatVThread::FormatVThread(FormatTools *format)
 629  : Thread(1, 0, 0)
 630 {
 631         this->format = format;
 632         file = new File;
 633         joined = 1;
 634 }
 635
 636 FormatVThread::~FormatVThread()
 637 {
 638         delete file;  file = 0;
 639         join();
 640 }
 641
 642 void FormatVThread::start()
 643 {
 644         join();
 645         joined = 0;
 646         Thread::start();
 647 }
 648
 649 void FormatVThread::run()
 650 {
 651         file->get_options(format, 0, 1);
 652 }
 653
 654
 655
 656
 657
 658 FormatPathText::FormatPathText(int x, int y, FormatTools *format)
 659  : BC_TextBox(x, y, format->w - x -
 660                 2*format->mwindow->theme->get_image_set("wrench")[0]->get_w() - 20, 1,
 661         format->asset->path)
 662 {
 663         this->format = format;
 664 }
 665
 666 FormatPathText::~FormatPathText()
 667 {
 668 }
 669 int FormatPathText::handle_event()
 670 {
 671         calculate_suggestions();
 672         strcpy(format->asset->path, get_text());
 673         format->handle_event();
 674         return 1;
 675 }
 676
 677
 678
 679
 680 FormatAudio::FormatAudio(int x, int y, FormatTools *format, int default_)
 681  : BC_CheckBox(x,
 682         y,
 683         default_,
 684         (char*)(format->recording ? _("Record audio tracks") : _("Render audio tracks")))
 685 {
 686         this->format = format;
 687 }
 688
 689 FormatAudio::~FormatAudio() {}
 690 int FormatAudio::handle_event()
 691 {
 692         format->asset->audio_data = get_value();
 693         format->handle_event();
 694         return 1;
 695 }
 696
 697
 698 FormatVideo::FormatVideo(int x, int y, FormatTools *format, int default_)
 699  : BC_CheckBox(x,
 700         y,
 701         default_,
 702         (char*)(format->recording ? _("Record video tracks") : _("Render video tracks")))
 703 {
 704 this->format = format;
 705 }
 706
 707 FormatVideo::~FormatVideo() {}
 708 int FormatVideo::handle_event()
 709 {
 710         format->asset->video_data = get_value();
 711         format->handle_event();
 712         return 1;
 713 }
 714
 715
 716
 717
 718 FormatFormat::FormatFormat(int x, int y, FormatTools *format)
 719  : FormatPopup(x, y, format->do_audio, format->do_video, format->use_brender)
 720 {
 721         this->format = format;
 722 }
 723
 724 FormatFormat::~FormatFormat()
 725 {
 726 }
 727
 728 int FormatFormat::handle_event()
 729 {
 730         BC_ListBoxItem *selection = get_selection(0, 0);
 731         if( selection ) {
 732                 int new_format = File::strtoformat(get_selection(0, 0)->get_text());
 733 //              if(new_format != format->asset->format)
 734                 {
 735                         Asset *asset = format->asset;
 736                         asset->format = new_format;
 737                         asset->audio_data = File::renders_audio(asset);
 738                         asset->video_data = File::renders_video(asset);
 739                         asset->ff_audio_options[0] = 0;
 740                         asset->ff_video_options[0] = 0;
 741                         format->format_text->update(selection->get_text());
 742                         if( !format->use_brender )
 743                                 format->update_extension();
 744                         format->close_format_windows();
 745                         if (format->path_recent) format->path_recent->
 746                                 load_items(File::formattostr(format->asset->format));
 747                         format->update_format();
 748                 }
 749                 format->handle_event();
 750         }
 751         return 1;
 752 }
 753
 754
 755 FormatFFMPEG::FormatFFMPEG(int x, int y, FormatTools *format)
 756  : FFMPEGPopup(format->plugindb, x, y)
 757 {
 758         this->format = format;
 759 }
 760
 761 FormatFFMPEG::~FormatFFMPEG()
 762 {
 763 }
 764
 765 int FormatFFMPEG::handle_event()
 766 {
 767         BC_ListBoxItem *selection = get_selection(0, 0);
 768         if( selection ) {
 769                 char *text = get_selection(0, 0)->get_text();
 770                 format->ffmpeg_type->update(text);
 771                 format->asset->ff_audio_options[0] = 0;
 772                 format->asset->ff_video_options[0] = 0;
 773                 FFMPEG::set_asset_format(format->asset, text);
 774                 format->update_extension();
 775                 format->close_format_windows();
 776                 format->update_format();
 777                 format->handle_event();
 778         }
 779         return 1;
 780 }
 781
 782
 783 FormatFilePerLabel::FormatFilePerLabel(FormatTools *format,
 784         int x, int y, int *output)
 785  : BC_CheckBox(x, y, *output, _("Create new file at each label"))
 786 {
 787         this->format = format;
 788         this->output = output;
 789 }
 790
 791 FormatFilePerLabel::~FormatFilePerLabel()
 792 {
 793 }
 794
 795 int FormatFilePerLabel::handle_event()
 796 {
 797         *output = get_value();
 798         format->handle_event();
 799         return 1;
 800 }
 801
 802 void FormatFilePerLabel::update(int *output)
 803 {
 804         this->output = output;
 805         set_value(*output ? 1 : 0);
 806 }
 807
 808