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 #ifdef HAVE_DV
  31 #include "libdv.h"
  32 #endif
  33 #include "libmjpeg.h"
  34 #include "maxchannels.h"
  35 #include "mwindow.h"
  36 #include "preferences.h"
  37 #include "theme.h"
  38 #include "videodevice.inc"
  39 #include <string.h>
  40 #include <unistd.h>
  41 #include <ctype.h>
  42
  43
  44 FormatTools::FormatTools(MWindow *mwindow,
  45                                 BC_WindowBase *window,
  46                                 Asset *asset)
  47 {
  48         this->mwindow = mwindow;
  49         this->window = window;
  50         this->asset = asset;
  51
  52         aparams_button = 0;
  53         vparams_button = 0;
  54         aparams_thread = 0;
  55         vparams_thread = 0;
  56         audio_switch = 0;
  57         video_switch = 0;
  58         path_textbox = 0;
  59         path_button = 0;
  60         path_recent = 0;
  61         format_title = 0;
  62         format_button = 0;
  63         format_text = 0;
  64         audio_title = 0;
  65         video_title = 0;
  66         labeled_files = 0;
  67         w = window->get_w();
  68
  69         recording = 0;
  70         use_brender = 0;
  71         do_audio = 0;
  72         do_video = 0;
  73         prompt_audio = 0;
  74         prompt_audio_channels = 0;
  75         prompt_video = 0;
  76         prompt_video_compression = 0;
  77         file_per_label = 0;
  78         locked_compressor = 0;
  79         video_driver = 0;
  80 }
  81
  82 FormatTools::~FormatTools()
  83 {
  84         delete path_recent;
  85 SET_TRACE
  86         delete path_button;
  87 SET_TRACE
  88         delete path_textbox;
  89 SET_TRACE
  90         delete format_button;
  91 SET_TRACE
  92
  93         if(aparams_button) delete aparams_button;
  94 SET_TRACE
  95         if(vparams_button) delete vparams_button;
  96 SET_TRACE
  97         if(aparams_thread) delete aparams_thread;
  98 SET_TRACE
  99         if(vparams_thread) delete vparams_thread;
 100 SET_TRACE
 101 }
 102
 103 void FormatTools::create_objects(
 104                 int &init_x, int &init_y,
 105                 int do_audio, int do_video,   // Include support for audio, video
 106                 int prompt_audio, int prompt_video, // Include checkbox for audio, video
 107                 int prompt_audio_channels,
 108                 int prompt_video_compression,
 109                 const char *locked_compressor,
 110                 int recording,
 111                 int *file_per_label,
 112                 int brender,
 113                 int horizontal_layout)
 114 {
 115         int x = init_x;
 116         int y = init_y;
 117         int ylev = init_y;
 118         int margin = mwindow->theme->widget_border;
 119
 120         this->locked_compressor = locked_compressor;
 121         this->recording = recording;
 122         this->use_brender = brender;
 123         this->do_audio = do_audio;
 124         this->do_video = do_video;
 125         this->prompt_audio = prompt_audio;
 126         this->prompt_audio_channels = prompt_audio_channels;
 127         this->prompt_video = prompt_video;
 128         this->prompt_video_compression = prompt_video_compression;
 129         this->file_per_label = file_per_label;
 130
 131 //printf("FormatTools::create_objects 1\n");
 132
 133         if(!recording)
 134         {
 135                 int px = x;
 136                 window->add_subwindow(path_textbox = new FormatPathText(px, y, this));
 137                 px += path_textbox->get_w() + 5;
 138                 path_recent = new BC_RecentList("PATH", mwindow->defaults,
 139                                         path_textbox, 10, px, y, 300, 100);
 140                 window->add_subwindow(path_recent);
 141                 path_recent->load_items(File::formattostr(asset->format));
 142                 px += path_recent->get_w();
 143                 window->add_subwindow(path_button = new BrowseButton(
 144                         mwindow->theme, window, path_textbox, px, y, asset->path,
 145                         _("Output to file"), _("Select a file to write to:"), 0));
 146
 147 // Set w for user.
 148                 w = MAX(w, 305);
 149                 y += path_textbox->get_h() + 10;
 150         }
 151         else
 152         {
 153 //              w = x + 305;
 154                 w = 305;
 155         }
 156
 157         x = init_x;
 158         window->add_subwindow(format_title = new BC_Title(x, y, _("File Format:")));
 159         x += format_title->get_w() + margin;
 160         window->add_subwindow(format_text = new BC_TextBox(x, y, 160, 1,
 161                 File::formattostr(asset->format)));
 162         x += format_text->get_w() + margin;
 163 //printf("FormatTools::create_objects %d %p\n", __LINE__, window);
 164         window->add_subwindow(format_button = new FormatFormat(x, y, this));
 165         format_button->create_objects();
 166         x += format_button->get_w() + 5;
 167         window->add_subwindow(ffmpeg_type = new FFMpegType(x, y, 70, 1, asset->fformat));
 168         FFMPEG::set_asset_format(asset, mwindow->edl, asset->fformat);
 169         x += ffmpeg_type->get_w();
 170         window->add_subwindow(format_ffmpeg = new FormatFFMPEG(x, y, this));
 171         format_ffmpeg->create_objects();
 172         x = init_x;
 173         y += format_button->get_h() + 10;
 174         if( do_audio ) {
 175                 window->add_subwindow(audio_title = new BC_Title(x, y, _("Audio:"), LARGEFONT,
 176                         BC_WindowBase::get_resources()->audiovideo_color));
 177                 x += audio_title->get_w() + margin;
 178                 window->add_subwindow(aparams_button = new FormatAParams(mwindow, this, x, y));
 179                 x += aparams_button->get_w() + margin;
 180                 if(prompt_audio) {
 181                         window->add_subwindow(audio_switch = new FormatAudio(x, y, this, asset->audio_data));
 182                 }
 183                 x = init_x;
 184                 ylev = y;
 185                 y += aparams_button->get_h() + 10;
 186
 187 //printf("FormatTools::create_objects 6\n");
 188                 aparams_thread = new FormatAThread(this);
 189         }
 190
 191 //printf("FormatTools::create_objects 7\n");
 192         if( do_video ) {
 193                 if( horizontal_layout && do_audio ) {
 194                         x += 370;
 195                         y = ylev;
 196                 }
 197
 198 //printf("FormatTools::create_objects 8\n");
 199                 window->add_subwindow(video_title = new BC_Title(x, y, _("Video:"), LARGEFONT,
 200                         BC_WindowBase::get_resources()->audiovideo_color));
 201                 x += video_title->get_w() + margin;
 202                 if(prompt_video_compression) {
 203                         window->add_subwindow(vparams_button = new FormatVParams(mwindow, this, x, y));
 204                         x += vparams_button->get_w() + margin;
 205                 }
 206
 207 //printf("FormatTools::create_objects 9\n");
 208                 if(prompt_video) {
 209                         window->add_subwindow(video_switch = new FormatVideo(x, y, this, asset->video_data));
 210                         y += video_switch->get_h();
 211                 }
 212                 else {
 213                         y += vparams_button->get_h();
 214                 }
 215
 216 //printf("FormatTools::create_objects 10\n");
 217                 y += 10;
 218                 vparams_thread = new FormatVThread(this);
 219         }
 220
 221 //printf("FormatTools::create_objects 11\n");
 222
 223         x = init_x;
 224         if( file_per_label ) {
 225                 labeled_files = new FormatFilePerLabel(this, x, y, file_per_label);
 226                 window->add_subwindow(labeled_files);
 227                 y += labeled_files->get_h() + 10;
 228         }
 229
 230 //printf("FormatTools::create_objects 12\n");
 231
 232         init_y = y;
 233         update_format();
 234 }
 235
 236 void FormatTools::update_driver(int driver)
 237 {
 238         this->video_driver = driver;
 239
 240         locked_compressor = 0;
 241         switch(driver)
 242         {
 243                 case CAPTURE_DVB:
 244                 case VIDEO4LINUX2MPEG:
 245 // Just give the user information about how the stream is going to be
 246 // stored but don't change the asset.
 247 // Want to be able to revert to user settings.
 248                         if(asset->format == FILE_MPEG) break;
 249                         asset->format = FILE_MPEG;
 250                         format_text->update(File::formattostr(asset->format));
 251                         asset->audio_data = 1;
 252                         asset->video_data = 1;
 253                         audio_switch->update(1);
 254                         video_switch->update(1);
 255                         break;
 256
 257                 case CAPTURE_IEC61883:
 258                 case CAPTURE_FIREWIRE:
 259                 case VIDEO4LINUX2JPEG:
 260                 case CAPTURE_JPEG_WEBCAM:
 261                         asset->format = FILE_FFMPEG;
 262                         format_text->update(File::formattostr(asset->format));
 263
 264                         switch(driver) {
 265 #ifdef HAVE_DV
 266                         case CAPTURE_IEC61883:
 267                         case CAPTURE_FIREWIRE:
 268                                 locked_compressor = (char*)CODEC_TAG_DVSD;
 269                                 break;
 270 #endif
 271                         case VIDEO4LINUX2JPEG:
 272                                 locked_compressor = (char*)CODEC_TAG_MJPEG;
 273                                 break;
 274
 275                         case CAPTURE_JPEG_WEBCAM:
 276                                 locked_compressor = (char*)CODEC_TAG_JPEG;
 277                                 break;
 278                         }
 279                         if( locked_compressor )
 280                                 strcpy(asset->vcodec, locked_compressor);
 281
 282                         audio_switch->update(asset->audio_data);
 283                         video_switch->update(asset->video_data);
 284                         break;
 285
 286                 default:
 287                         format_text->update(File::formattostr(asset->format));
 288                         audio_switch->update(asset->audio_data);
 289                         video_switch->update(asset->video_data);
 290                         break;
 291         }
 292         close_format_windows();
 293         update_format();
 294 }
 295
 296 void FormatTools::update_format()
 297 {
 298         if( do_audio && prompt_audio && audio_switch ) {
 299                 audio_switch->update(asset->audio_data);
 300                 if( File::renders_audio(asset) )
 301                         audio_switch->enable();
 302                 else
 303                         audio_switch->disable();
 304         }
 305         if( do_video && prompt_video && video_switch ) {
 306                 video_switch->update(asset->video_data);
 307                 if( File::renders_video(asset) )
 308                         video_switch->enable();
 309                 else
 310                         video_switch->disable();
 311         }
 312         if( asset->format == FILE_FFMPEG ) {
 313                 ffmpeg_type->show();
 314                 format_ffmpeg->show();
 315         }
 316         else {
 317                 ffmpeg_type->hide();
 318                 format_ffmpeg->hide();
 319         }
 320 }
 321
 322 int FormatTools::handle_event()
 323 {
 324         return 0;
 325 }
 326
 327 Asset* FormatTools::get_asset()
 328 {
 329         return asset;
 330 }
 331
 332 void FormatTools::update_extension()
 333 {
 334         const char *extension = File::get_tag(asset->format);
 335 // split multiple extensions
 336         ArrayList<const char*> extensions;
 337         int len = !extension ? -1 : strlen(extension);
 338         const char *extension_ptr = extension;
 339         for(int i = 0; i <= len; i++)
 340         {
 341                 if(extension[i] == '/' || extension[i] == 0)
 342                 {
 343                         extensions.append(extension_ptr);
 344                         extension_ptr = extension + i + 1;
 345                 }
 346         }
 347
 348         if(extensions.size())
 349         {
 350                 char *ptr = strrchr(asset->path, '.');
 351                 if(!ptr)
 352                 {
 353                         ptr = asset->path + strlen(asset->path);
 354                         *ptr = '.';
 355                 }
 356                 ptr++;
 357
 358 // test for equivalent extension
 359                 int need_extension = 1;
 360                 //int extension_len = 0;
 361                 for(int i = 0; i < extensions.size() && need_extension; i++)
 362                 {
 363                         char *ptr1 = ptr;
 364                         extension_ptr = extensions.get(i);
 365 // test an extension
 366                         need_extension = 0;
 367                         while(*ptr1 != 0 && *extension_ptr != 0 && *extension_ptr != '/')
 368                         {
 369                                 if(tolower(*ptr1) != tolower(*extension_ptr))
 370                                 {
 371                                         need_extension = 1;
 372                                         break;
 373                                 }
 374                                 ptr1++;
 375                                 extension_ptr++;
 376                         }
 377
 378                         if( (!*ptr1 && (*extension_ptr && *extension_ptr != '/')) ||
 379                             (*ptr1 && (!*extension_ptr || *extension_ptr == '/')) )
 380                                 need_extension = 1;
 381                 }
 382
 383 //printf("FormatTools::update_extension %d %d\n", __LINE__, need_extension);
 384 // copy extension
 385                 if(need_extension)
 386                 {
 387                         char *ptr1 = ptr;
 388                         extension_ptr = asset->format != FILE_FFMPEG ?
 389                                 extensions.get(0) : asset->fformat;
 390                         while(*extension_ptr != 0 && *extension_ptr != '/')
 391                                 *ptr1++ = *extension_ptr++;
 392                         *ptr1 = 0;
 393                 }
 394
 395                 int character1 = ptr - asset->path;
 396                 int character2 = strlen(asset->path);
 397 //              *(asset->path + character2) = 0;
 398                 if(path_textbox)
 399                 {
 400                         path_textbox->update(asset->path);
 401                         path_textbox->set_selection(character1, character2, character2);
 402                 }
 403         }
 404 }
 405
 406 void FormatTools::update(Asset *asset, int *file_per_label)
 407 {
 408         this->asset = asset;
 409         this->file_per_label = file_per_label;
 410         if( file_per_label ) labeled_files->update(file_per_label);
 411         if( path_textbox ) path_textbox->update(asset->path);
 412         format_text->update(File::formattostr(asset->format));
 413         update_format();
 414         close_format_windows();
 415 }
 416
 417 void FormatTools::close_format_windows()
 418 {
 419 // This is done in ~file
 420         if( aparams_thread ) {
 421                 if( aparams_thread->running() )
 422                         aparams_thread->file->close_window();
 423                 aparams_thread->join();
 424         }
 425         if( vparams_thread ) {
 426                 if( vparams_thread->running() )
 427                         vparams_thread->file->close_window();
 428                 vparams_thread->join();
 429         }
 430 }
 431
 432 int FormatTools::get_w()
 433 {
 434         return asset->format != FILE_FFMPEG ? w :
 435                 format_ffmpeg->get_x() + format_ffmpeg->get_w();
 436 }
 437
 438 void FormatTools::set_w(int w)
 439 {
 440         this->w = w;
 441 }
 442
 443 void FormatTools::reposition_window(int &init_x, int &init_y)
 444 {
 445         int x = init_x;
 446         int y = init_y;
 447
 448         if(path_textbox)
 449         {
 450                 int px = x;
 451                 path_textbox->reposition_window(px, y);
 452                 px += path_textbox->get_w() + 5;
 453                 path_recent->reposition_window(px, y);
 454                 px += path_recent->get_w() + 8;
 455                 path_button->reposition_window(px, y);
 456                 y += path_textbox->get_h() + 10;
 457         }
 458
 459         format_title->reposition_window(x, y);
 460         x += 90;
 461         format_text->reposition_window(x, y);
 462         x += format_text->get_w();
 463         format_button->reposition_window(x, y);
 464
 465         x = init_x;
 466         y += format_button->get_h() + 10;
 467
 468         if(do_audio)
 469         {
 470                 audio_title->reposition_window(x, y);
 471                 x += 80;
 472                 aparams_button->reposition_window(x, y);
 473                 x += aparams_button->get_w() + 10;
 474                 if(prompt_audio) audio_switch->reposition_window(x, y);
 475
 476                 x = init_x;
 477                 y += aparams_button->get_h() + 10;
 478         }
 479
 480
 481         if(do_video)
 482         {
 483                 video_title->reposition_window(x, y);
 484                 x += 80;
 485                 if(prompt_video_compression)
 486                 {
 487                         vparams_button->reposition_window(x, y);
 488                         x += vparams_button->get_w() + 10;
 489                 }
 490
 491                 if(prompt_video)
 492                 {
 493                         video_switch->reposition_window(x, y);
 494                         y += video_switch->get_h();
 495                 }
 496                 else
 497                 {
 498                         y += vparams_button->get_h();
 499                 }
 500
 501                 y += 10;
 502                 x = init_x;
 503         }
 504
 505         if( file_per_label ) {
 506                 labeled_files->reposition_window(x, y);
 507                 y += labeled_files->get_h() + 10;
 508         }
 509
 510         init_y = y;
 511 }
 512
 513
 514 int FormatTools::set_audio_options()
 515 {
 516 //      if(video_driver == CAPTURE_DVB)
 517 //      {
 518 //              return 0;
 519 //      }
 520
 521         if(!aparams_thread->running())
 522         {
 523                 aparams_thread->start();
 524         }
 525         else
 526         {
 527                 aparams_thread->file->raise_window();
 528         }
 529         return 0;
 530 }
 531
 532 int FormatTools::set_video_options()
 533 {
 534 //      if(video_driver == CAPTURE_DVB)
 535 //      {
 536 //              return 0;
 537 //      }
 538
 539         if(!vparams_thread->running())
 540         {
 541                 vparams_thread->start();
 542         }
 543         else
 544         {
 545                 vparams_thread->file->raise_window();
 546         }
 547
 548         return 0;
 549 }
 550
 551
 552
 553
 554
 555 FormatAParams::FormatAParams(MWindow *mwindow, FormatTools *format, int x, int y)
 556  : BC_Button(x, y, mwindow->theme->get_image_set("wrench"))
 557 {
 558         this->format = format;
 559         set_tooltip(_("Configure audio compression"));
 560 }
 561
 562 FormatAParams::~FormatAParams()
 563 {
 564 }
 565
 566 int FormatAParams::handle_event()
 567 {
 568         format->set_audio_options();
 569         format->handle_event();
 570         return 1;
 571 }
 572
 573
 574
 575
 576
 577 FormatVParams::FormatVParams(MWindow *mwindow, FormatTools *format, int x, int y)
 578  : BC_Button(x, y, mwindow->theme->get_image_set("wrench"))
 579 {
 580         this->format = format;
 581         set_tooltip(_("Configure video compression"));
 582 }
 583
 584 FormatVParams::~FormatVParams()
 585 {
 586 }
 587
 588 int FormatVParams::handle_event()
 589 {
 590         format->set_video_options();
 591         format->handle_event();
 592         return 1;
 593 }
 594
 595
 596
 597
 598
 599 FormatAThread::FormatAThread(FormatTools *format)
 600  : Thread(1, 0, 0)
 601 {
 602         this->format = format;
 603         file = new File;
 604         joined = 1;
 605 }
 606
 607 FormatAThread::~FormatAThread()
 608 {
 609         delete file;  file = 0;
 610         join();
 611 }
 612
 613 void FormatAThread::start()
 614 {
 615         join();
 616         joined = 0;
 617         Thread::start();
 618 }
 619
 620
 621 void FormatAThread::run()
 622 {
 623         file->get_options(format, 1, 0);
 624 }
 625
 626
 627
 628
 629 FormatVThread::FormatVThread(FormatTools *format)
 630  : Thread(1, 0, 0)
 631 {
 632         this->format = format;
 633         file = new File;
 634         joined = 1;
 635 }
 636
 637 FormatVThread::~FormatVThread()
 638 {
 639         delete file;  file = 0;
 640         join();
 641 }
 642
 643 void FormatVThread::start()
 644 {
 645         join();
 646         joined = 0;
 647         Thread::start();
 648 }
 649
 650 void FormatVThread::run()
 651 {
 652         file->get_options(format, 0, 1);
 653 }
 654
 655
 656
 657
 658
 659 FormatPathText::FormatPathText(int x, int y, FormatTools *format)
 660  : BC_TextBox(x, y, format->w - x -
 661                 2*format->mwindow->theme->get_image_set("wrench")[0]->get_w() - 20, 1,
 662         format->asset->path)
 663 {
 664         this->format = format;
 665 }
 666
 667 FormatPathText::~FormatPathText()
 668 {
 669 }
 670 int FormatPathText::handle_event()
 671 {
 672         calculate_suggestions();
 673         strcpy(format->asset->path, get_text());
 674         format->handle_event();
 675         return 1;
 676 }
 677
 678
 679
 680
 681 FormatAudio::FormatAudio(int x, int y, FormatTools *format, int default_)
 682  : BC_CheckBox(x,
 683         y,
 684         default_,
 685         (char*)(format->recording ? _("Record audio tracks") : _("Render audio tracks")))
 686 {
 687         this->format = format;
 688 }
 689
 690 FormatAudio::~FormatAudio() {}
 691 int FormatAudio::handle_event()
 692 {
 693         format->asset->audio_data = get_value();
 694         format->handle_event();
 695         return 1;
 696 }
 697
 698
 699 FormatVideo::FormatVideo(int x, int y, FormatTools *format, int default_)
 700  : BC_CheckBox(x,
 701         y,
 702         default_,
 703         (char*)(format->recording ? _("Record video tracks") : _("Render video tracks")))
 704 {
 705 this->format = format;
 706 }
 707
 708 FormatVideo::~FormatVideo() {}
 709 int FormatVideo::handle_event()
 710 {
 711         format->asset->video_data = get_value();
 712         format->handle_event();
 713         return 1;
 714 }
 715
 716
 717
 718
 719 FormatFormat::FormatFormat(int x, int y, FormatTools *format)
 720  : FormatPopup(x, y, format->do_audio, format->do_video, format->use_brender)
 721 {
 722         this->format = format;
 723 }
 724
 725 FormatFormat::~FormatFormat()
 726 {
 727 }
 728
 729 int FormatFormat::handle_event()
 730 {
 731         BC_ListBoxItem *selection = get_selection(0, 0);
 732         if( selection ) {
 733                 int new_format = File::strtoformat(get_selection(0, 0)->get_text());
 734 //              if(new_format != format->asset->format)
 735                 {
 736                         Asset *asset = format->asset;
 737                         asset->format = new_format;
 738                         asset->audio_data = File::renders_audio(asset);
 739                         asset->video_data = File::renders_video(asset);
 740                         asset->ff_audio_options[0] = 0;
 741                         asset->ff_video_options[0] = 0;
 742                         format->format_text->update(selection->get_text());
 743                         if( !format->use_brender )
 744                                 format->update_extension();
 745                         format->close_format_windows();
 746                         if (format->path_recent) format->path_recent->
 747                                 load_items(File::formattostr(format->asset->format));
 748                         format->update_format();
 749                 }
 750                 format->handle_event();
 751         }
 752         return 1;
 753 }
 754
 755
 756 FormatFFMPEG::FormatFFMPEG(int x, int y, FormatTools *format)
 757  : FFMPEGPopup(x, y)
 758 {
 759         this->format = format;
 760 }
 761
 762 FormatFFMPEG::~FormatFFMPEG()
 763 {
 764 }
 765
 766 int FormatFFMPEG::handle_event()
 767 {
 768         BC_ListBoxItem *selection = get_selection(0, 0);
 769         if( selection ) {
 770                 char *text = get_selection(0, 0)->get_text();
 771                 format->ffmpeg_type->update(text);
 772                 format->asset->ff_audio_options[0] = 0;
 773                 format->asset->ff_video_options[0] = 0;
 774                 FFMPEG::set_asset_format(format->asset, format->mwindow->edl, text);
 775                 format->update_extension();
 776                 format->close_format_windows();
 777                 format->update_format();
 778                 format->handle_event();
 779         }
 780         return 1;
 781 }
 782
 783
 784 FormatFilePerLabel::FormatFilePerLabel(FormatTools *format,
 785         int x, int y, int *output)
 786  : BC_CheckBox(x, y, *output, _("Create new file at each label"))
 787 {
 788         this->format = format;
 789         this->output = output;
 790 }
 791
 792 FormatFilePerLabel::~FormatFilePerLabel()
 793 {
 794 }
 795
 796 int FormatFilePerLabel::handle_event()
 797 {
 798         *output = get_value();
 799         format->handle_event();
 800         return 1;
 801 }
 802
 803 void FormatFilePerLabel::update(int *output)
 804 {
 805         this->output = output;
 806         set_value(*output ? 1 : 0);
 807 }
 808
 809