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 ys10 = yS(10);
 116         int x = init_x;
 117         int y = init_y;
 118         int ylev = init_y;
 119         int margin = mwindow->theme->widget_border;
 120
 121         this->locked_compressor = locked_compressor;
 122         this->recording = recording;
 123         this->use_brender = brender;
 124         this->do_audio = do_audio;
 125         this->do_video = do_video;
 126         this->prompt_audio = prompt_audio;
 127         this->prompt_audio_channels = prompt_audio_channels;
 128         this->prompt_video = prompt_video;
 129         this->prompt_video_compression = prompt_video_compression;
 130         this->file_per_label = file_per_label;
 131
 132
 133         if(asset->format == FILE_UNKNOWN)
 134                 asset->format = FILE_FFMPEG;
 135 //printf("FormatTools::create_objects 1\n");
 136
 137         if(!recording)
 138         {
 139                 int px = x;
 140                 window->add_subwindow(path_textbox = new FormatPathText(px, y, this));
 141                 px += path_textbox->get_w() + 5;
 142                 path_recent = new BC_RecentList("PATH", mwindow->defaults,
 143                                         path_textbox, 10, px, y, xS(300), yS(100));
 144                 window->add_subwindow(path_recent);
 145                 path_recent->load_items(File::formattostr(asset->format));
 146                 px += path_recent->get_w();
 147                 window->add_subwindow(path_button = new BrowseButton(
 148                         mwindow->theme, window, path_textbox, px, y, asset->path,
 149                         _("Output to file"), _("Select a file to write to:"), 0));
 150
 151 // Set w for user.
 152                 w = MAX(w, xS(305));
 153                 y += path_textbox->get_h() + ys10;
 154         }
 155         else
 156         {
 157 //              w = x + xS(305);
 158                 w = xS(305);
 159         }
 160
 161         x = init_x;
 162         window->add_subwindow(format_title = new BC_Title(x, y, _("File Format:")));
 163         x += format_title->get_w() + margin;
 164         window->add_subwindow(format_text = new BC_TextBox(x, y, xS(160), 1,
 165                 File::formattostr(asset->format)));
 166         x += format_text->get_w() + margin;
 167 //printf("FormatTools::create_objects %d %p\n", __LINE__, window);
 168         window->add_subwindow(format_button = new FormatFormat(x, y, this));
 169         format_button->create_objects();
 170         x += format_button->get_w() + 5;
 171         window->add_subwindow(ffmpeg_type = new FFMpegType(x, y, xS(70), 1, asset->fformat));
 172         FFMPEG::set_asset_format(asset, mwindow->edl, asset->fformat);
 173         x += ffmpeg_type->get_w();
 174         window->add_subwindow(format_ffmpeg = new FormatFFMPEG(x, y, this));
 175         format_ffmpeg->create_objects();
 176         x = init_x;
 177         y += format_button->get_h() + ys10;
 178         if( do_audio ) {
 179                 window->add_subwindow(audio_title = new BC_Title(x, y, _("Audio:"), LARGEFONT,
 180                         BC_WindowBase::get_resources()->audiovideo_color));
 181                 x += audio_title->get_w() + margin;
 182                 window->add_subwindow(aparams_button = new FormatAParams(mwindow, this, x, y));
 183                 x += aparams_button->get_w() + margin;
 184                 if(prompt_audio) {
 185                         window->add_subwindow(audio_switch = new FormatAudio(x, y, this, asset->audio_data));
 186                 }
 187                 x = init_x;
 188                 ylev = y;
 189                 y += aparams_button->get_h() + ys10;
 190
 191 //printf("FormatTools::create_objects 6\n");
 192                 aparams_thread = new FormatAThread(this);
 193         }
 194
 195 //printf("FormatTools::create_objects 7\n");
 196         if( do_video ) {
 197                 if( horizontal_layout && do_audio ) {
 198                         x += xS(370);
 199                         y = ylev;
 200                 }
 201
 202 //printf("FormatTools::create_objects 8\n");
 203                 window->add_subwindow(video_title = new BC_Title(x, y, _("Video:"), LARGEFONT,
 204                         BC_WindowBase::get_resources()->audiovideo_color));
 205                 x += video_title->get_w() + margin;
 206                 if(prompt_video_compression) {
 207                         window->add_subwindow(vparams_button = new FormatVParams(mwindow, this, x, y));
 208                         x += vparams_button->get_w() + margin;
 209                 }
 210
 211 //printf("FormatTools::create_objects 9\n");
 212                 if(prompt_video) {
 213                         window->add_subwindow(video_switch = new FormatVideo(x, y, this, asset->video_data));
 214                         y += video_switch->get_h();
 215                 }
 216                 else {
 217                         y += vparams_button->get_h();
 218                 }
 219
 220 //printf("FormatTools::create_objects 10\n");
 221                 y += ys10;
 222                 vparams_thread = new FormatVThread(this);
 223         }
 224
 225 //printf("FormatTools::create_objects 11\n");
 226
 227         x = init_x;
 228         if( file_per_label ) {
 229                 labeled_files = new FormatFilePerLabel(this, x, y, file_per_label);
 230                 window->add_subwindow(labeled_files);
 231                 y += labeled_files->get_h() + ys10;
 232         }
 233
 234 //printf("FormatTools::create_objects 12\n");
 235
 236         init_y = y;
 237         update_format();
 238 }
 239
 240 void FormatTools::update_driver(int driver)
 241 {
 242         this->video_driver = driver;
 243
 244         locked_compressor = 0;
 245         switch(driver)
 246         {
 247                 case CAPTURE_DVB:
 248                 case VIDEO4LINUX2MPEG:
 249 // Just give the user information about how the stream is going to be
 250 // stored but don't change the asset.
 251 // Want to be able to revert to user settings.
 252                         if(asset->format == FILE_MPEG) break;
 253                         asset->format = FILE_MPEG;
 254                         format_text->update(File::formattostr(asset->format));
 255                         asset->audio_data = 1;
 256                         asset->video_data = 1;
 257                         audio_switch->update(1);
 258                         video_switch->update(1);
 259                         break;
 260
 261                 case CAPTURE_IEC61883:
 262                 case CAPTURE_FIREWIRE:
 263                 case VIDEO4LINUX2JPEG:
 264                 case CAPTURE_JPEG_WEBCAM:
 265                         asset->format = FILE_FFMPEG;
 266                         format_text->update(File::formattostr(asset->format));
 267
 268                         switch(driver) {
 269 #ifdef HAVE_DV
 270                         case CAPTURE_IEC61883:
 271                         case CAPTURE_FIREWIRE:
 272                                 locked_compressor = (char*)CODEC_TAG_DVSD;
 273                                 break;
 274 #endif
 275                         case VIDEO4LINUX2JPEG:
 276                                 locked_compressor = (char*)CODEC_TAG_MJPEG;
 277                                 break;
 278
 279                         case CAPTURE_JPEG_WEBCAM:
 280                                 locked_compressor = (char*)CODEC_TAG_JPEG;
 281                                 break;
 282                         }
 283                         if( locked_compressor )
 284                                 strcpy(asset->vcodec, locked_compressor);
 285
 286                         audio_switch->update(asset->audio_data);
 287                         video_switch->update(asset->video_data);
 288                         break;
 289
 290                 default:
 291                         format_text->update(File::formattostr(asset->format));
 292                         audio_switch->update(asset->audio_data);
 293                         video_switch->update(asset->video_data);
 294                         break;
 295         }
 296         close_format_windows();
 297         update_format();
 298 }
 299
 300 void FormatTools::update_format()
 301 {
 302         if( do_audio && prompt_audio && audio_switch ) {
 303                 audio_switch->update(asset->audio_data);
 304                 if( File::renders_audio(asset) )
 305                         audio_switch->enable();
 306                 else
 307                         audio_switch->disable();
 308         }
 309         if( do_video && prompt_video && video_switch ) {
 310                 video_switch->update(asset->video_data);
 311                 if( File::renders_video(asset) )
 312                         video_switch->enable();
 313                 else
 314                         video_switch->disable();
 315         }
 316         if( asset->format == FILE_FFMPEG ) {
 317                 ffmpeg_type->show();
 318                 format_ffmpeg->show();
 319         }
 320         else {
 321                 ffmpeg_type->hide();
 322                 format_ffmpeg->hide();
 323         }
 324 }
 325
 326 int FormatTools::handle_event()
 327 {
 328         return 0;
 329 }
 330
 331 Asset* FormatTools::get_asset()
 332 {
 333         return asset;
 334 }
 335
 336 void FormatTools::update_extension()
 337 {
 338         const char *extension = File::get_tag(asset->format);
 339 // split multiple extensions
 340         ArrayList<const char*> extensions;
 341         int len = !extension ? -1 : strlen(extension);
 342         const char *extension_ptr = extension;
 343         for(int i = 0; i <= len; i++)
 344         {
 345                 if(extension[i] == '/' || extension[i] == 0)
 346                 {
 347                         extensions.append(extension_ptr);
 348                         extension_ptr = extension + i + 1;
 349                 }
 350         }
 351
 352         if(extensions.size())
 353         {
 354                 char *ptr = strrchr(asset->path, '.');
 355                 if(!ptr)
 356                 {
 357                         ptr = asset->path + strlen(asset->path);
 358                         *ptr = '.';
 359                 }
 360                 ptr++;
 361
 362 // test for equivalent extension
 363                 int need_extension = 1;
 364                 //int extension_len = 0;
 365                 for(int i = 0; i < extensions.size() && need_extension; i++)
 366                 {
 367                         char *ptr1 = ptr;
 368                         extension_ptr = extensions.get(i);
 369 // test an extension
 370                         need_extension = 0;
 371                         while(*ptr1 != 0 && *extension_ptr != 0 && *extension_ptr != '/')
 372                         {
 373                                 if(tolower(*ptr1) != tolower(*extension_ptr))
 374                                 {
 375                                         need_extension = 1;
 376                                         break;
 377                                 }
 378                                 ptr1++;
 379                                 extension_ptr++;
 380                         }
 381
 382                         if( (!*ptr1 && (*extension_ptr && *extension_ptr != '/')) ||
 383                             (*ptr1 && (!*extension_ptr || *extension_ptr == '/')) )
 384                                 need_extension = 1;
 385                 }
 386
 387 //printf("FormatTools::update_extension %d %d\n", __LINE__, need_extension);
 388 // copy extension
 389                 if(need_extension)
 390                 {
 391                         char *ptr1 = ptr;
 392 // change "qt" to "mov" since ffmpeg does not know qt
 393                         extension_ptr = asset->format != FILE_FFMPEG ? extensions.get(0) :
 394                                 !strcmp(asset->fformat, "qt" ) ||
 395                                 !strcmp(asset->fformat, "pro" ) ? "mov" : asset->fformat ;
 396                         while(*extension_ptr != 0 && *extension_ptr != '/')
 397                                 *ptr1++ = *extension_ptr++;
 398                         *ptr1 = 0;
 399                 }
 400
 401                 int character1 = ptr - asset->path;
 402                 int character2 = strlen(asset->path);
 403 //              *(asset->path + character2) = 0;
 404                 if(path_textbox)
 405                 {
 406                         path_textbox->update(asset->path);
 407                         path_textbox->set_selection(character1, character2, character2);
 408                 }
 409         }
 410 }
 411
 412 void FormatTools::update(Asset *asset, int *file_per_label)
 413 {
 414         this->asset = asset;
 415         this->file_per_label = file_per_label;
 416         if( file_per_label ) labeled_files->update(file_per_label);
 417         if( path_textbox ) path_textbox->update(asset->path);
 418         format_text->update(File::formattostr(asset->format));
 419         update_format();
 420         close_format_windows();
 421 }
 422
 423 void FormatTools::close_format_windows()
 424 {
 425 // This is done in ~file
 426         if( aparams_thread ) {
 427                 if( aparams_thread->running() )
 428                         aparams_thread->file->close_window();
 429                 aparams_thread->join();
 430         }
 431         if( vparams_thread ) {
 432                 if( vparams_thread->running() )
 433                         vparams_thread->file->close_window();
 434                 vparams_thread->join();
 435         }
 436 }
 437
 438 int FormatTools::get_w()
 439 {
 440         return asset->format != FILE_FFMPEG ? w :
 441                 format_ffmpeg->get_x() + format_ffmpeg->get_w();
 442 }
 443
 444 void FormatTools::set_w(int w)
 445 {
 446         this->w = w;
 447 }
 448
 449 void FormatTools::reposition_window(int &init_x, int &init_y)
 450 {
 451         int xs10 = xS(10), xs80 = xS(80);
 452         int ys10 = yS(10);
 453         int x = init_x;
 454         int y = init_y;
 455
 456         if(path_textbox)
 457         {
 458                 int px = x;
 459                 path_textbox->reposition_window(px, y);
 460                 px += path_textbox->get_w() + xS(5);
 461                 path_recent->reposition_window(px, y);
 462                 px += path_recent->get_w() + xS(8);
 463                 path_button->reposition_window(px, y);
 464                 y += path_textbox->get_h() + ys10;
 465         }
 466
 467         format_title->reposition_window(x, y);
 468         x += xS(90);
 469         format_text->reposition_window(x, y);
 470         x += format_text->get_w();
 471         format_button->reposition_window(x, y);
 472         x += format_button->get_w() + 5;
 473         ffmpeg_type->reposition_window(x, y);
 474         x += ffmpeg_type->get_w();
 475         format_ffmpeg->reposition_window(x, y);
 476
 477         x = init_x;
 478         y += format_button->get_h() + ys10;
 479
 480         if(do_audio)
 481         {
 482                 audio_title->reposition_window(x, y);
 483                 x += xs80;
 484                 aparams_button->reposition_window(x, y);
 485                 x += aparams_button->get_w() + xs10;
 486                 if(prompt_audio) audio_switch->reposition_window(x, y);
 487
 488                 x = init_x;
 489                 y += aparams_button->get_h() + ys10;
 490         }
 491
 492
 493         if(do_video)
 494         {
 495                 video_title->reposition_window(x, y);
 496                 x += xs80;
 497                 if(prompt_video_compression)
 498                 {
 499                         vparams_button->reposition_window(x, y);
 500                         x += vparams_button->get_w() + xs10;
 501                 }
 502
 503                 if(prompt_video)
 504                 {
 505                         video_switch->reposition_window(x, y);
 506                         y += video_switch->get_h();
 507                 }
 508                 else
 509                 {
 510                         y += vparams_button->get_h();
 511                 }
 512
 513                 y += ys10;
 514                 x = init_x;
 515         }
 516
 517         if( file_per_label ) {
 518                 labeled_files->reposition_window(x, y);
 519                 y += labeled_files->get_h() + ys10;
 520         }
 521
 522         init_y = y;
 523 }
 524
 525
 526 int FormatTools::set_audio_options()
 527 {
 528 //      if(video_driver == CAPTURE_DVB)
 529 //      {
 530 //              return 0;
 531 //      }
 532
 533         if(!aparams_thread->running())
 534         {
 535                 aparams_thread->start();
 536         }
 537         else
 538         {
 539                 aparams_thread->file->raise_window();
 540         }
 541         return 0;
 542 }
 543
 544 int FormatTools::set_video_options()
 545 {
 546 //      if(video_driver == CAPTURE_DVB)
 547 //      {
 548 //              return 0;
 549 //      }
 550
 551         if(!vparams_thread->running())
 552         {
 553                 vparams_thread->start();
 554         }
 555         else
 556         {
 557                 vparams_thread->file->raise_window();
 558         }
 559
 560         return 0;
 561 }
 562
 563
 564
 565
 566
 567 FormatAParams::FormatAParams(MWindow *mwindow, FormatTools *format, int x, int y)
 568  : BC_Button(x, y, mwindow->theme->get_image_set("wrench"))
 569 {
 570         this->format = format;
 571         set_tooltip(_("Configure audio compression"));
 572 }
 573
 574 FormatAParams::~FormatAParams()
 575 {
 576 }
 577
 578 int FormatAParams::handle_event()
 579 {
 580         format->set_audio_options();
 581         format->handle_event();
 582         return 1;
 583 }
 584
 585
 586
 587
 588
 589 FormatVParams::FormatVParams(MWindow *mwindow, FormatTools *format, int x, int y)
 590  : BC_Button(x, y, mwindow->theme->get_image_set("wrench"))
 591 {
 592         this->format = format;
 593         set_tooltip(_("Configure video compression"));
 594 }
 595
 596 FormatVParams::~FormatVParams()
 597 {
 598 }
 599
 600 int FormatVParams::handle_event()
 601 {
 602         format->set_video_options();
 603         format->handle_event();
 604         return 1;
 605 }
 606
 607
 608
 609
 610
 611 FormatAThread::FormatAThread(FormatTools *format)
 612  : Thread(1, 0, 0)
 613 {
 614         this->format = format;
 615         file = new File;
 616         joined = 1;
 617 }
 618
 619 FormatAThread::~FormatAThread()
 620 {
 621         delete file;  file = 0;
 622         join();
 623 }
 624
 625 void FormatAThread::start()
 626 {
 627         join();
 628         joined = 0;
 629         Thread::start();
 630 }
 631
 632
 633 void FormatAThread::run()
 634 {
 635         file->get_options(format, 1, 0);
 636 }
 637
 638
 639
 640
 641 FormatVThread::FormatVThread(FormatTools *format)
 642  : Thread(1, 0, 0)
 643 {
 644         this->format = format;
 645         file = new File;
 646         joined = 1;
 647 }
 648
 649 FormatVThread::~FormatVThread()
 650 {
 651         delete file;  file = 0;
 652         join();
 653 }
 654
 655 void FormatVThread::start()
 656 {
 657         join();
 658         joined = 0;
 659         Thread::start();
 660 }
 661
 662 void FormatVThread::run()
 663 {
 664         file->get_options(format, 0, 1);
 665 }
 666
 667
 668
 669
 670
 671 FormatPathText::FormatPathText(int x, int y, FormatTools *format)
 672  : BC_TextBox(x, y, format->w - x -
 673                 2*format->mwindow->theme->get_image_set("wrench")[0]->get_w() - xS(20), 1,
 674         format->asset->path)
 675 {
 676         this->format = format;
 677 }
 678
 679 FormatPathText::~FormatPathText()
 680 {
 681 }
 682 int FormatPathText::handle_event()
 683 {
 684         calculate_suggestions();
 685         strcpy(format->asset->path, get_text());
 686         format->handle_event();
 687         return 1;
 688 }
 689
 690
 691
 692
 693 FormatAudio::FormatAudio(int x, int y, FormatTools *format, int default_)
 694  : BC_CheckBox(x,
 695         y,
 696         default_,
 697         (char*)(format->recording ? _("Record audio tracks") : _("Render audio tracks")))
 698 {
 699         this->format = format;
 700 }
 701
 702 FormatAudio::~FormatAudio() {}
 703 int FormatAudio::handle_event()
 704 {
 705         format->asset->audio_data = get_value();
 706         format->handle_event();
 707         return 1;
 708 }
 709
 710
 711 FormatVideo::FormatVideo(int x, int y, FormatTools *format, int default_)
 712  : BC_CheckBox(x,
 713         y,
 714         default_,
 715         (char*)(format->recording ? _("Record video tracks") : _("Render video tracks")))
 716 {
 717 this->format = format;
 718 }
 719
 720 FormatVideo::~FormatVideo() {}
 721 int FormatVideo::handle_event()
 722 {
 723         format->asset->video_data = get_value();
 724         format->handle_event();
 725         return 1;
 726 }
 727
 728
 729
 730
 731 FormatFormat::FormatFormat(int x, int y, FormatTools *format)
 732  : FormatPopup(x, y, format->do_audio, format->do_video, format->use_brender)
 733 {
 734         this->format = format;
 735 }
 736
 737 FormatFormat::~FormatFormat()
 738 {
 739 }
 740
 741 int FormatFormat::handle_event()
 742 {
 743         BC_ListBoxItem *selection = get_selection(0, 0);
 744         if( selection ) {
 745                 int new_format = File::strtoformat(get_selection(0, 0)->get_text());
 746 //              if(new_format != format->asset->format)
 747                 {
 748                         Asset *asset = format->asset;
 749                         asset->format = new_format;
 750                         asset->audio_data = File::renders_audio(asset);
 751                         asset->video_data = File::renders_video(asset);
 752                         asset->ff_audio_options[0] = 0;
 753                         asset->ff_video_options[0] = 0;
 754                         asset->ff_format_options[0] = 0;
 755                         format->format_text->update(selection->get_text());
 756                         if( !format->use_brender )
 757                                 format->update_extension();
 758                         format->close_format_windows();
 759                         if (format->path_recent) format->path_recent->
 760                                 load_items(File::formattostr(format->asset->format));
 761                         format->update_format();
 762                 }
 763                 format->handle_event();
 764         }
 765         return 1;
 766 }
 767
 768
 769 FormatFFMPEG::FormatFFMPEG(int x, int y, FormatTools *format)
 770  : FFMPEGPopup(x, y)
 771 {
 772         this->format = format;
 773 }
 774
 775 FormatFFMPEG::~FormatFFMPEG()
 776 {
 777 }
 778
 779 int FormatFFMPEG::handle_event()
 780 {
 781         BC_ListBoxItem *selection = get_selection(0, 0);
 782         if( selection ) {
 783                 const char *text = get_selection(0, 0)->get_text();
 784                 format->ffmpeg_type->update(text);
 785 // forces options load defaults
 786                 format->asset->ff_audio_options[0] = 0;
 787                 format->asset->ff_video_options[0] = 0;
 788                 format->asset->ff_format_options[0] = 0;
 789                 FFMPEG::set_asset_format(format->asset, format->mwindow->edl, text);
 790                 format->update_extension();
 791                 format->close_format_windows();
 792                 format->update_format();
 793                 format->handle_event();
 794         }
 795         return 1;
 796 }
 797
 798
 799 FormatFilePerLabel::FormatFilePerLabel(FormatTools *format,
 800         int x, int y, int *output)
 801  : BC_CheckBox(x, y, *output, _("Create new file at each label"))
 802 {
 803         this->format = format;
 804         this->output = output;
 805 }
 806
 807 FormatFilePerLabel::~FormatFilePerLabel()
 808 {
 809 }
 810
 811 int FormatFilePerLabel::handle_event()
 812 {
 813         *output = get_value();
 814         format->handle_event();
 815         return 1;
 816 }
 817
 818 void FormatFilePerLabel::update(int *output)
 819 {
 820         this->output = output;
 821         set_value(*output ? 1 : 0);
 822 }
 823
 824