cinelerra-5.0/cinelerra/fileffmpeg.C

   1
   2 #include <stdio.h>
   3 #include <stdint.h>
   4 #include <stdlib.h>
   5 #include <unistd.h>
   6 #include <string.h>
   7 // work around for __STDC_CONSTANT_MACROS
   8 #include <lzma.h>
   9
  10 #include "asset.h"
  11 #include "bcwindowbase.h"
  12 #include "bcprogressbox.h"
  13 #include "bitspopup.h"
  14 #include "ffmpeg.h"
  15 #include "filebase.h"
  16 #include "file.h"
  17 #include "fileffmpeg.h"
  18 #include "filesystem.h"
  19 #include "format.inc"
  20 #include "indexfile.h"
  21 #include "mutex.h"
  22 #include "preferences.h"
  23 #include "videodevice.inc"
  24
  25 FileFFMPEG::FileFFMPEG(Asset *asset, File *file)
  26   : FileBase(asset, file)
  27 {
  28         ff = 0;
  29         if(asset->format == FILE_UNKNOWN)
  30                 asset->format = FILE_FFMPEG;
  31 }
  32
  33 FileFFMPEG::~FileFFMPEG()
  34 {
  35         delete ff;
  36 }
  37
  38
  39 FFMpegConfigNum::FFMpegConfigNum(BC_Window *window,
  40                 int x, int y, char *title_text, int *output)
  41  : BC_TumbleTextBox(window, (int64_t)*output,
  42         (int64_t)-1, (int64_t)25000000, 100, y, 100)
  43 {
  44         this->window = window;
  45         this->x = x;  this->y = y;
  46         this->title_text = title_text;
  47         this->output = output;
  48 }
  49
  50 FFMpegConfigNum::~FFMpegConfigNum()
  51 {
  52 }
  53
  54 void FFMpegConfigNum::create_objects()
  55 {
  56         window->add_subwindow(title = new BC_Title(x, y, title_text));
  57         BC_TumbleTextBox::create_objects();
  58 }
  59
  60 int FFMpegConfigNum::handle_event()
  61 {
  62         *output = atol(get_text());
  63         return 1;
  64 }
  65
  66 FFMpegAudioNum::FFMpegAudioNum(BC_Window *window,
  67                 int x, int y, char *title_text, int *output)
  68  : FFMpegConfigNum(window, x, y, title_text, output)
  69 {
  70 }
  71
  72 int FFMpegAudioBitrate::handle_event()
  73 {
  74         int ret = FFMpegAudioNum::handle_event();
  75         return ret;
  76 }
  77
  78 FFMpegVideoNum::FFMpegVideoNum(BC_Window *window,
  79                 int x, int y, char *title_text, int *output)
  80  : FFMpegConfigNum(window, x, y, title_text, output)
  81 {
  82 }
  83
  84 int FFMpegVideoBitrate::handle_event()
  85 {
  86         int ret = FFMpegVideoNum::handle_event();
  87         Asset *asset = window()->asset;
  88         if( asset->ff_video_bitrate )
  89                 window()->quality->disable();
  90         else
  91                 window()->quality->enable();
  92         return ret;
  93 }
  94
  95 int FFMpegVideoQuality::handle_event()
  96 {
  97         int ret = FFMpegVideoNum::handle_event();
  98         Asset *asset = window()->asset;
  99         if( asset->ff_video_quality )
 100                 window()->bitrate->disable();
 101         else
 102                 window()->bitrate->enable();
 103         return ret;
 104 }
 105
 106 void FileFFMPEG::get_parameters(BC_WindowBase *parent_window,
 107                 Asset *asset, BC_WindowBase *&format_window,
 108                 int audio_options, int video_options)
 109 {
 110         if(audio_options) {
 111                 FFMPEGConfigAudio *window = new FFMPEGConfigAudio(parent_window, asset);
 112                 format_window = window;
 113                 window->create_objects();
 114                 window->run_window();
 115                 delete window;
 116         }
 117         else if(video_options) {
 118                 FFMPEGConfigVideo *window = new FFMPEGConfigVideo(parent_window, asset);
 119                 format_window = window;
 120                 window->create_objects();
 121                 window->run_window();
 122                 delete window;
 123         }
 124 }
 125
 126 int FileFFMPEG::check_sig(Asset *asset)
 127 {
 128         char *ptr = strstr(asset->path, ".pcm");
 129         if( ptr ) return 0;
 130         ptr = strstr(asset->path, ".raw");
 131         if( ptr ) return 0;
 132
 133         FFMPEG ffmpeg(0);
 134         int ret = !ffmpeg.init_decoder(asset->path) &&
 135                 !ffmpeg.open_decoder() ? 1 : 0;
 136         return ret;
 137 }
 138
 139 void FileFFMPEG::get_info(char *path, char *text, int len)
 140 {
 141         char *cp = text;
 142         FFMPEG ffmpeg(0);
 143         cp += sprintf(cp, _("file path: %s\n"), path);
 144         struct stat st;
 145         int ret = 0;
 146         if( stat(path, &st) < 0 ) {
 147                 cp += sprintf(cp, _(" err: %s\n"), strerror(errno));
 148                 ret = 1;
 149         }
 150         else {
 151                 cp += sprintf(cp, _("  %jd bytes\n"), st.st_size);
 152         }
 153         if( !ret ) ret = ffmpeg.init_decoder(path);
 154         if( !ret ) ret = ffmpeg.open_decoder();
 155         if( !ret ) {
 156                 cp += sprintf(cp, _("info:\n"));
 157                 ffmpeg.info(cp, len-(cp-text));
 158         }
 159         else
 160                 sprintf(cp, _("== open failed\n"));
 161 }
 162
 163 int FileFFMPEG::get_video_info(int track, int &pid, double &framerate,
 164                 int &width, int &height, char *title)
 165 {
 166         if( !ff ) return -1;
 167         pid = ff->ff_video_pid(track);
 168         framerate = ff->ff_frame_rate(track);
 169         width = ff->ff_video_width(track);
 170         height = ff->ff_video_height(track);
 171         if( title ) *title = 0;
 172         return 0;
 173 }
 174
 175 int FileFFMPEG::get_audio_for_video(int vstream, int astream, int64_t &channel_mask)
 176 {
 177         if( !ff ) return 1;
 178         return ff->ff_audio_for_video(vstream, astream, channel_mask);
 179 }
 180
 181 int FileFFMPEG::select_video_stream(Asset *asset, int vstream)
 182 {
 183         if( !ff || !asset->video_data ) return 1;
 184         asset->width = ff->ff_video_width(vstream);
 185         asset->height = ff->ff_video_height(vstream);
 186         asset->video_length = ff->ff_video_frames(vstream);
 187         asset->frame_rate = ff->ff_frame_rate(vstream);
 188         return 0;
 189 }
 190
 191 int FileFFMPEG::select_audio_stream(Asset *asset, int astream)
 192 {
 193         if( !ff || !asset->audio_data ) return 1;
 194         asset->sample_rate = ff->ff_sample_rate(astream);
 195         asset->audio_length = ff->ff_audio_samples(astream);
 196         return 0;
 197 }
 198
 199 int FileFFMPEG::open_file(int rd, int wr)
 200 {
 201         int result = 0;
 202         if( ff ) return 1;
 203         ff = new FFMPEG(this);
 204
 205         if( rd ) {
 206                 result = ff->init_decoder(asset->path);
 207                 if( !result ) result = ff->open_decoder();
 208                 if( !result ) {
 209                         int audio_channels = ff->ff_total_audio_channels();
 210                         if( audio_channels > 0 ) {
 211                                 asset->audio_data = 1;
 212                                 asset->channels = audio_channels;
 213                                 asset->sample_rate = ff->ff_sample_rate(0);
 214                                 asset->audio_length = ff->ff_audio_samples(0);
 215                         }
 216                         int video_layers = ff->ff_total_video_layers();
 217                         if( video_layers > 0 ) {
 218                                 asset->video_data = 1;
 219                                 if( !asset->layers ) asset->layers = video_layers;
 220                                 asset->actual_width = ff->ff_video_width(0);
 221                                 asset->actual_height = ff->ff_video_height(0);
 222                                 if( !asset->width ) asset->width = asset->actual_width;
 223                                 if( !asset->height ) asset->height = asset->actual_height;
 224                                 if( !asset->video_length ) asset->video_length = ff->ff_video_frames(0);
 225                                 if( !asset->frame_rate ) asset->frame_rate = ff->ff_frame_rate(0);
 226                         }
 227                         IndexState *index_state = asset->index_state;
 228                         index_state->read_markers(file->preferences->index_directory, asset->path);
 229                 }
 230         }
 231         else if( wr ) {
 232                 result = ff->init_encoder(asset->path);
 233                 // must be in this order or dvdauthor will fail
 234                 if( !result && asset->video_data )
 235                         result = ff->open_encoder("video", asset->vcodec);
 236                 if( !result && asset->audio_data )
 237                         result = ff->open_encoder("audio", asset->acodec);
 238         }
 239         return result;
 240 }
 241
 242 int FileFFMPEG::close_file()
 243 {
 244         delete ff;
 245         ff = 0;
 246         return 0;
 247 }
 248
 249
 250 int FileFFMPEG::write_samples(double **buffer, int64_t len)
 251 {
 252         if( !ff || len < 0 ) return -1;
 253         int stream = 0;
 254         int ret = ff->encode(stream, buffer, len);
 255         return ret;
 256 }
 257
 258 int FileFFMPEG::write_frames(VFrame ***frames, int len)
 259 {
 260         if( !ff ) return -1;
 261         int ret = 0, layer = 0;
 262         for(int i = 0; i < 1; i++) {
 263                 for(int j = 0; j < len && !ret; j++) {
 264                         VFrame *frame = frames[i][j];
 265                         ret = ff->encode(layer, frame);
 266                 }
 267         }
 268         return ret;
 269 }
 270
 271
 272 int FileFFMPEG::read_samples(double *buffer, int64_t len)
 273 {
 274         if( !ff || len < 0 ) return -1;
 275         int ch = file->current_channel;
 276         int64_t pos = file->current_sample;
 277         int ret = ff->decode(ch, pos, buffer, len);
 278         if( ret > 0 ) return 0;
 279         memset(buffer,0,len*sizeof(*buffer));
 280         return -1;
 281 }
 282
 283 int FileFFMPEG::read_frame(VFrame *frame)
 284 {
 285         if( !ff ) return -1;
 286         int layer = file->current_layer;
 287         int64_t pos = file->current_frame;
 288         int ret = ff->decode(layer, pos, frame);
 289         frame->set_status(ret);
 290         if( ret >= 0 ) return 0;
 291         frame->clear_frame();
 292         return -1;
 293 }
 294
 295
 296 int64_t FileFFMPEG::get_memory_usage()
 297 {
 298         return 0;
 299 }
 300
 301 int FileFFMPEG::colormodel_supported(int colormodel)
 302 {
 303         return colormodel;
 304 }
 305
 306 int FileFFMPEG::get_best_colormodel(Asset *asset, int driver)
 307 {
 308         switch(driver) {
 309         case PLAYBACK_X11:      return BC_RGB888;
 310         case PLAYBACK_X11_GL:   return BC_YUV888;
 311         }
 312         return BC_YUV420P;
 313 }
 314
 315 //======
 316
 317 FFMPEGConfigAudio::FFMPEGConfigAudio(BC_WindowBase *parent_window, Asset *asset)
 318  : BC_Window(_(PROGRAM_NAME ": Audio Preset"),
 319         parent_window->get_abs_cursor_x(1),
 320         parent_window->get_abs_cursor_y(1),
 321         420, 420)
 322 {
 323         this->parent_window = parent_window;
 324         this->asset = asset;
 325         preset_popup = 0;
 326
 327         bitrate = 0;
 328         audio_options = 0;
 329 }
 330
 331 FFMPEGConfigAudio::~FFMPEGConfigAudio()
 332 {
 333         lock_window("FFMPEGConfigAudio::~FFMPEGConfigAudio");
 334         if(preset_popup) delete preset_popup;
 335         presets.remove_all_objects();
 336         unlock_window();
 337 }
 338
 339 void FFMPEGConfigAudio::create_objects()
 340 {
 341         int x = 10, y = 10;
 342         lock_window("FFMPEGConfigAudio::create_objects");
 343
 344         FileSystem fs;
 345         char option_path[BCTEXTLEN];
 346         FFMPEG::set_option_path(option_path, "audio");
 347         fs.update(option_path);
 348         int total_files = fs.total_files();
 349         for(int i = 0; i < total_files; i++) {
 350                 const char *name = fs.get_entry(i)->get_name();
 351                 if( asset->fformat[0] != 0 ) {
 352                         const char *ext = strrchr(name,'.');
 353                         if( !ext ) continue;
 354                         if( strcmp(asset->fformat, ++ext) ) continue;
 355                 }
 356                 presets.append(new BC_ListBoxItem(name));
 357         }
 358
 359         if( asset->acodec[0] ) {
 360                 int k = presets.size();
 361                 while( --k >= 0 && strcmp(asset->acodec, presets[k]->get_text()) );
 362                 if( k < 0 ) asset->acodec[0] = 0;
 363         }
 364
 365         if( !asset->acodec[0] && presets.size() > 0 )
 366                 strcpy(asset->acodec, presets[0]->get_text());
 367
 368         add_tool(new BC_Title(x, y, _("Preset:")));
 369         y += 25;
 370         preset_popup = new FFMPEGConfigAudioPopup(this, x, y);
 371         preset_popup->create_objects();
 372
 373         y += 50;
 374         bitrate = new FFMpegAudioBitrate(this, x, y, _("Bitrate:"), &asset->ff_audio_bitrate);
 375         bitrate->create_objects();
 376         bitrate->set_increment(1000);
 377
 378         y += bitrate->get_h() + 10;
 379         add_subwindow(new BC_Title(x, y, _("Audio Options:")));
 380         y += 25;
 381         if( !asset->ff_audio_options[0] && asset->acodec[0] ) {
 382                 FFMPEG::set_option_path(option_path, "audio/%s", asset->acodec);
 383                 FFMPEG::load_options(option_path, asset->ff_audio_options,
 384                          sizeof(asset->ff_audio_options));
 385         }
 386         add_subwindow(audio_options = new FFAudioOptions(this, x, y, get_w()-x-20, 10,
 387                  sizeof(asset->ff_audio_options)-1, asset->ff_audio_options));
 388         add_subwindow(new BC_OKButton(this));
 389         show_window(1);
 390         bitrate->handle_event();
 391         unlock_window();
 392 }
 393
 394 int FFMPEGConfigAudio::close_event()
 395 {
 396         set_done(0);
 397         return 1;
 398 }
 399
 400
 401 FFAudioOptions::FFAudioOptions(FFMPEGConfigAudio *audio_popup,
 402         int x, int y, int w, int rows, int size, char *text)
 403  : BC_TextBox(x, y, w, rows, size, text)
 404 {
 405         this->audio_popup = audio_popup;
 406 }
 407
 408 int FFAudioOptions::handle_event()
 409 {
 410         strcpy(audio_popup->asset->ff_audio_options, get_text());
 411         return 1;
 412 }
 413
 414
 415 FFMPEGConfigAudioPopup::FFMPEGConfigAudioPopup(FFMPEGConfigAudio *popup, int x, int y)
 416  : BC_PopupTextBox(popup, &popup->presets, popup->asset->acodec, x, y, 300, 300)
 417 {
 418         this->popup = popup;
 419 }
 420
 421 int FFMPEGConfigAudioPopup::handle_event()
 422 {
 423         strcpy(popup->asset->acodec, get_text());
 424         Asset *asset = popup->asset;
 425         char option_path[BCTEXTLEN];
 426         FFMPEG::set_option_path(option_path, "audio/%s", asset->acodec);
 427         FFMPEG::load_options(option_path, asset->ff_audio_options,
 428                          sizeof(asset->ff_audio_options));
 429         popup->audio_options->update(asset->ff_audio_options);
 430         return 1;
 431 }
 432
 433
 434 FFMPEGConfigAudioToggle::FFMPEGConfigAudioToggle(FFMPEGConfigAudio *popup,
 435         char *title_text, int x, int y, int *output)
 436  : BC_CheckBox(x, y, *output, title_text)
 437 {
 438         this->popup = popup;
 439         this->output = output;
 440 }
 441 int FFMPEGConfigAudioToggle::handle_event()
 442 {
 443         *output = get_value();
 444         return 1;
 445 }
 446
 447
 448 //======
 449
 450 FFMPEGConfigVideo::FFMPEGConfigVideo(BC_WindowBase *parent_window, Asset *asset)
 451  : BC_Window(_(PROGRAM_NAME ": Video Preset"),
 452         parent_window->get_abs_cursor_x(1),
 453         parent_window->get_abs_cursor_y(1),
 454         420, 420)
 455 {
 456         this->parent_window = parent_window;
 457         this->asset = asset;
 458         preset_popup = 0;
 459
 460         bitrate = 0;
 461         quality = 0;
 462         video_options = 0;
 463 }
 464
 465 FFMPEGConfigVideo::~FFMPEGConfigVideo()
 466 {
 467         lock_window("FFMPEGConfigVideo::~FFMPEGConfigVideo");
 468         if(preset_popup) delete preset_popup;
 469         presets.remove_all_objects();
 470         unlock_window();
 471 }
 472
 473 void FFMPEGConfigVideo::create_objects()
 474 {
 475         int x = 10, y = 10;
 476         lock_window("FFMPEGConfigVideo::create_objects");
 477
 478         add_subwindow(new BC_Title(x, y, _("Compression:")));
 479         y += 25;
 480
 481         FileSystem fs;
 482         char option_path[BCTEXTLEN];
 483         FFMPEG::set_option_path(option_path, "video");
 484         fs.update(option_path);
 485         int total_files = fs.total_files();
 486         for(int i = 0; i < total_files; i++) {
 487                 const char *name = fs.get_entry(i)->get_name();
 488                 if( asset->fformat[0] != 0 ) {
 489                         const char *ext = strrchr(name,'.');
 490                         if( !ext ) continue;
 491                         if( strcmp(asset->fformat, ++ext) ) continue;
 492                 }
 493                 presets.append(new BC_ListBoxItem(name));
 494         }
 495
 496         if( asset->vcodec[0] ) {
 497                 int k = presets.size();
 498                 while( --k >= 0 && strcmp(asset->vcodec, presets[k]->get_text()) );
 499                 if( k < 0 ) asset->vcodec[0] = 0;
 500         }
 501
 502         if( !asset->vcodec[0] && presets.size() > 0 )
 503                 strcpy(asset->vcodec, presets[0]->get_text());
 504
 505         preset_popup = new FFMPEGConfigVideoPopup(this, x, y);
 506         preset_popup->create_objects();
 507
 508         if( asset->ff_video_bitrate && asset->ff_video_quality ) {
 509                 asset->ff_video_bitrate = 0;
 510                 asset->ff_video_quality = 0;
 511         }
 512
 513         y += 50;
 514         bitrate = new FFMpegVideoBitrate(this, x, y, _("Bitrate:"), &asset->ff_video_bitrate);
 515         bitrate->create_objects();
 516         bitrate->set_increment(100000);
 517         y += bitrate->get_h() + 5;
 518         quality = new FFMpegVideoQuality(this, x, y, _("Quality:"), &asset->ff_video_quality);
 519         quality->create_objects();
 520         quality->set_increment(1);
 521         quality->set_boundaries((int64_t)0, (int64_t)31);
 522
 523         y += quality->get_h() + 10;
 524         add_subwindow(new BC_Title(x, y, _("Video Options:")));
 525         y += 25;
 526         if( !asset->ff_video_options[0] && asset->vcodec[0] ) {
 527                 FFMPEG::set_option_path(option_path, "video/%s", asset->vcodec);
 528                 FFMPEG::load_options(option_path, asset->ff_video_options,
 529                          sizeof(asset->ff_video_options));
 530         }
 531         add_subwindow(video_options = new FFVideoOptions(this, x, y, get_w()-x-20, 10,
 532                  sizeof(asset->ff_video_options)-1, asset->ff_video_options));
 533
 534         add_subwindow(new BC_OKButton(this));
 535         show_window(1);
 536         if( asset->ff_video_bitrate )
 537                 quality->disable();
 538         if( asset->ff_video_quality )
 539                 bitrate->disable();
 540         unlock_window();
 541 }
 542
 543 int FFMPEGConfigVideo::close_event()
 544 {
 545         set_done(0);
 546         return 1;
 547 }
 548
 549
 550 FFVideoOptions::FFVideoOptions(FFMPEGConfigVideo *video_popup,
 551         int x, int y, int w, int rows, int size, char *text)
 552  : BC_TextBox(x, y, w, rows, size, text)
 553 {
 554         this->video_popup = video_popup;
 555 }
 556
 557 int FFVideoOptions::handle_event()
 558 {
 559         strcpy(video_popup->asset->ff_video_options, get_text());
 560         return 1;
 561 }
 562
 563
 564 FFMPEGConfigVideoPopup::FFMPEGConfigVideoPopup(FFMPEGConfigVideo *popup, int x, int y)
 565  : BC_PopupTextBox(popup, &popup->presets, popup->asset->vcodec, x, y, 300, 300)
 566 {
 567         this->popup = popup;
 568 }
 569
 570 int FFMPEGConfigVideoPopup::handle_event()
 571 {
 572         strcpy(popup->asset->vcodec, get_text());
 573         Asset *asset = popup->asset;
 574         char option_path[BCTEXTLEN];
 575         FFMPEG::set_option_path(option_path, "video/%s", asset->vcodec);
 576         FFMPEG::load_options(option_path, asset->ff_video_options,
 577                          sizeof(asset->ff_video_options));
 578         popup->video_options->update(asset->ff_video_options);
 579         return 1;
 580 }
 581
 582
 583 FFMPEGConfigVideoToggle::FFMPEGConfigVideoToggle(FFMPEGConfigVideo *popup,
 584         char *title_text, int x, int y, int *output)
 585  : BC_CheckBox(x, y, *output, title_text)
 586 {
 587         this->popup = popup;
 588         this->output = output;
 589 }
 590 int FFMPEGConfigVideoToggle::handle_event()
 591 {
 592         *output = get_value();
 593         return 1;
 594 }
 595
 596 FFMPEGScanProgress::FFMPEGScanProgress(const char *title, int64_t length, int64_t *position, int *canceled)
 597  : Thread(1, 0, 0)
 598 {
 599         strcpy(this->progress_title, title);
 600         this->length = length;
 601         this->position = position;
 602         this->canceled = canceled;
 603         done = 0;
 604         progress = 0;
 605         start();
 606 }
 607
 608 FFMPEGScanProgress::~FFMPEGScanProgress()
 609 {
 610         done = 1;
 611         cancel();
 612         join();
 613 }
 614
 615 void FFMPEGScanProgress::run()
 616 {
 617         BC_ProgressBox *progress = new BC_ProgressBox(-1, -1, progress_title, length);
 618         progress->start();
 619
 620         struct timeval start_time, now, then;
 621         gettimeofday(&start_time, 0);
 622         then = start_time;
 623
 624         while( !done ) {
 625                 if( progress->update(*position, 1) ) {
 626                         *canceled = done = 1;
 627                         break;
 628                 }
 629                 gettimeofday(&now, 0);
 630                 if(now.tv_sec - then.tv_sec >= 1) {
 631                         int64_t elapsed = now.tv_sec - start_time.tv_sec;
 632                         int64_t byte_rate = *position / elapsed;
 633                         int64_t eta = !byte_rate ? 0 : (length - *position) / byte_rate;
 634                         char string[BCTEXTLEN];
 635                         sprintf(string, "%s\nETA: " _LD "m" _LD "s",
 636                                 progress_title, eta / 60, eta % 60);
 637                         progress->update_title(string, 1);
 638                         then = now;
 639                 }
 640                 usleep(500000);
 641         }
 642
 643         progress->stop_progress();
 644         delete progress;
 645 }
 646
 647 int FileFFMPEG::get_index(char *index_path)
 648 {
 649         if( !ff ) return -1;
 650         if( !file->preferences->ffmpeg_marker_indecies ) return 1;
 651
 652         IndexState *index_state = asset->index_state;
 653         if( index_state->index_status != INDEX_NOTTESTED ) return 0;
 654         index_state->index_status = INDEX_BUILDING;
 655
 656         for( int aidx=0; aidx<ff->ffaudio.size(); ++aidx ) {
 657                 FFAudioStream *aud = ff->ffaudio[aidx];
 658                 index_state->add_audio_stream(aud->channels, aud->length);
 659         }
 660
 661         char progress_title[BCTEXTLEN];
 662         sprintf(progress_title, _("Creating %s\n"), index_path);
 663         FileSystem fs;
 664         int64_t file_bytes = fs.get_size(ff->fmt_ctx->filename);
 665         int64_t scan_position = 0;
 666         int canceled = 0;
 667         FFMPEGScanProgress scan_progress(progress_title, file_bytes, &scan_position, &canceled);
 668
 669         index_state->index_bytes = file_bytes;
 670         index_state->init_scan(file->preferences->index_size);
 671         if( ff->scan(index_state, &scan_position, &canceled) || canceled ) {
 672                 index_state->reset_index();
 673                 index_state->reset_markers();
 674                 return 1;
 675         }
 676         index_state->marker_status = MARKERS_READY;
 677         return index_state->create_index(index_path, asset);
 678 }
 679