cinelerra-5.1/cinelerra/proxy.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2015 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 "assets.h"
  23 #include "bcsignals.h"
  24 #include "clip.h"
  25 #include "confirmsave.h"
  26 #include "cstrdup.h"
  27 #include "edl.h"
  28 #include "edlsession.h"
  29 #include "errorbox.h"
  30 #include "file.h"
  31 #include "filesystem.h"
  32 #include "formattools.h"
  33 #include "language.h"
  34 #include "mainprogress.h"
  35 #include "mainundo.h"
  36 #include "mutex.h"
  37 #include "mwindow.h"
  38 #include "mwindowgui.h"
  39 #include "overlayframe.h"
  40 #include "preferences.h"
  41 #include "proxy.h"
  42 #include "theme.h"
  43
  44 #define WIDTH 400
  45 #define HEIGHT 320
  46 #define MAX_SCALE 16
  47
  48 ProxyMenuItem::ProxyMenuItem(MWindow *mwindow)
  49  : BC_MenuItem(_("Proxy settings..."),  _("Alt-P"), 'p')
  50 {
  51         this->mwindow = mwindow;
  52         set_alt();
  53 }
  54
  55 void ProxyMenuItem::create_objects()
  56 {
  57         thread = new ProxyThread(mwindow);
  58 }
  59
  60 int ProxyMenuItem::handle_event()
  61 {
  62         mwindow->gui->unlock_window();
  63         thread->start();
  64         mwindow->gui->lock_window("ProxyMenuItem::handle_event");
  65
  66         return 1;
  67 }
  68
  69 ProxyThread::ProxyThread(MWindow *mwindow)
  70 {
  71         this->mwindow = mwindow;
  72         gui = 0;
  73         asset = new Asset;
  74         progress = 0;
  75         counter_lock = new Mutex("ProxyThread::counter_lock");
  76         bzero(size_text, sizeof(char*) * MAX_SIZES);
  77         bzero(size_factors, sizeof(int) * MAX_SIZES);
  78         total_sizes = 0;
  79 }
  80 ProxyThread::~ProxyThread()
  81 {
  82         for( int i=0; i<MAX_SIZES; ++i ) delete [] size_text[i];
  83 }
  84
  85 BC_Window* ProxyThread::new_gui()
  86 {
  87         asset->format = FILE_FFMPEG;
  88         asset->load_defaults(mwindow->defaults, "PROXY_", 1, 1, 0, 0, 0);
  89         mwindow->gui->lock_window("ProxyThread::new_gui");
  90         int x = mwindow->gui->get_abs_cursor_x(0) - WIDTH / 2;
  91         int y = mwindow->gui->get_abs_cursor_y(0) - HEIGHT / 2;
  92
  93         gui = new ProxyWindow(mwindow, this, x, y);
  94         gui->create_objects();
  95         mwindow->gui->unlock_window();
  96         return gui;
  97 }
  98
  99 void ProxyThread::scale_to_text(char *string, int scale)
 100 {
 101         strcpy(string, size_text[0]);
 102         for( int i = 0; i < total_sizes; i++ ) {
 103                 if( scale == size_factors[i] ) {
 104                         strcpy(string, size_text[i]);
 105                         break;
 106                 }
 107         }
 108 }
 109
 110
 111 void ProxyThread::calculate_sizes()
 112 {
 113         for( int i=1; i<total_sizes; ++i ) {
 114                 delete [] size_text[i];
 115                 size_text[i] = 0;
 116                 size_factors[i] = 0;
 117         }
 118         total_sizes = 1;
 119
 120         int orig_w = mwindow->edl->session->output_w * orig_scale;
 121         int orig_h = mwindow->edl->session->output_h * orig_scale;
 122
 123         if( !use_scaler ) {
 124                 for( int i=2; i<MAX_SCALE; ++i ) {
 125                         if( (orig_w % i) != 0 ) continue;
 126                         if( (orig_h % i) != 0 ) continue;
 127                         size_factors[total_sizes++] = i;
 128                 }
 129         }
 130         else {
 131                 size_factors[total_sizes++] = 2;   size_factors[total_sizes++] = 3;
 132                 size_factors[total_sizes++] = 8;   size_factors[total_sizes++] = 12;
 133                 size_factors[total_sizes++] = 16;  size_factors[total_sizes++] = 24;
 134                 size_factors[total_sizes++] = 32;  size_factors[total_sizes++] = 36;
 135         }
 136         for( int i=1; i<total_sizes; ++i ) {
 137                 char string[BCTEXTLEN];
 138                 sprintf(string, "1/%d", size_factors[i]);
 139                 size_text[i] = cstrdup(string);
 140         }
 141 }
 142
 143 void ProxyThread::handle_close_event(int result)
 144 {
 145         asset->save_defaults(mwindow->defaults, "PROXY_", 1, 1, 0, 0, 0);
 146
 147         if( !result )
 148                 to_proxy();
 149 }
 150
 151 void ProxyThread::to_proxy()
 152 {
 153 // test for new files
 154         ArrayList<char *> confirm_paths;
 155         confirm_paths.set_array_delete();
 156 // all proxy assets
 157         ArrayList<Indexable*> proxy_assets;
 158 // assets which must be created
 159         ArrayList<Asset*> needed_assets;
 160 // original assets
 161         ArrayList<Indexable*> orig_assets;
 162 // original assets which match the needed_assets
 163         ArrayList<Asset*> needed_orig_assets;
 164         Asset *proxy_asset = 0;
 165         Asset *orig_asset = 0;
 166
 167         mwindow->edl->Garbage::add_user();
 168         mwindow->save_backup();
 169         mwindow->undo->update_undo_before(_("proxy"), this);
 170
 171         EDL *&edl = mwindow->edl;
 172         EDLSession *&session = edl->session;
 173         Assets *&assets = edl->assets;
 174
 175 // revert project to original size from current size
 176 // remove all session proxy assets at the at the current proxy_scale
 177         if( session->proxy_scale > 1 ) {
 178                 orig_asset = assets->first;
 179                 for( ; orig_asset; orig_asset=orig_asset->next ) {
 180                         char new_path[BCTEXTLEN];
 181                         to_proxy_path(new_path, orig_asset, session->proxy_scale);
 182                         proxy_asset = assets->get_asset(new_path);
 183                         if( !proxy_asset ) continue;
 184 // test if proxy asset was already added to proxy_assets
 185                         int got_it = 0;
 186                         for( int i = 0; !got_it && i<proxy_assets.size(); ++i )
 187                                 got_it = !strcmp(proxy_assets[i]->path, new_path);
 188                         if( got_it ) continue;
 189 // add pointer to existing EDL asset if it exists
 190 // EDL won't delete it unless it's the same pointer.
 191                         proxy_assets.append(proxy_asset);
 192                         proxy_asset->Garbage::add_user();
 193                         orig_assets.append(orig_asset);
 194                         orig_asset->Garbage::add_user();
 195                 }
 196
 197 // convert from the proxy assets to the original assets
 198                 mwindow->set_proxy(0, 1, &proxy_assets, &orig_assets);
 199
 200 // remove the proxy assets
 201                 mwindow->remove_assets_from_project(0, 0, &proxy_assets, NULL);
 202                 for( int i=0; i<proxy_assets.size(); ++i )
 203                         proxy_assets.get(i)->Garbage::remove_user();
 204                 proxy_assets.remove_all();
 205                 for( int i = 0; i < orig_assets.size(); i++ )
 206                         orig_assets.get(i)->Garbage::remove_user();
 207                 orig_assets.remove_all();
 208         }
 209
 210 // convert to new size if not original size
 211         if( new_scale != 1 ) {
 212                 orig_asset = assets->first;
 213                 for( ; orig_asset; orig_asset=orig_asset->next ) {
 214                         if( !orig_asset->video_data ) continue;
 215                         char new_path[BCTEXTLEN];
 216                         to_proxy_path(new_path, orig_asset, new_scale);
 217 // add to proxy_assets & orig_assets if it isn't already there.
 218                         int got_it = 0;
 219                         for( int i = 0; !got_it && i<proxy_assets.size(); ++i )
 220                                 got_it = !strcmp(proxy_assets[i]->path, new_path);
 221                         if( !got_it ) {
 222                                 proxy_asset = new Asset;
 223 // new compression parameters
 224                                 proxy_asset->copy_format(asset, 0);
 225                                 proxy_asset->update_path(new_path);
 226                                 proxy_asset->audio_data = 0;
 227                                 proxy_asset->video_data = 1;
 228                                 proxy_asset->layers = 1;
 229                                 proxy_asset->width = orig_asset->width / new_scale;
 230                                 proxy_asset->actual_width = proxy_asset->width;
 231                                 proxy_asset->height = orig_asset->height / new_scale;
 232                                 proxy_asset->actual_height = proxy_asset->height;
 233                                 proxy_asset->frame_rate = orig_asset->frame_rate;
 234                                 proxy_asset->video_length = orig_asset->video_length;
 235                                 proxy_assets.append(proxy_asset);
 236                                 orig_asset->add_user();
 237                                 orig_assets.append(orig_asset);
 238                         }
 239
 240 // test if proxy file exists.
 241                         int exists = 0;
 242                         FILE *fd = fopen(new_path, "r");
 243                         if( fd ) {
 244                                 exists = 1;
 245                                 fclose(fd);
 246                                 FileSystem fs;
 247 // got it if proxy file is newer than original.
 248                                 got_it = fs.get_date(new_path) > fs.get_date(asset->path);
 249                         }
 250                         else
 251                                 got_it = 0;
 252
 253                         if( !got_it ) {
 254                                 if( exists ) // prompt user to overwrite
 255                                         confirm_paths.append(cstrdup(new_path));
 256
 257                                 needed_assets.append(proxy_asset);
 258                                 proxy_asset->add_user();
 259                                 needed_orig_assets.append(orig_asset);
 260                                 orig_asset->add_user();
 261 //printf("ProxyThread::handle_close_event %d %s\n", __LINE__, new_path);
 262                         }
 263                 }
 264
 265 // test for existing files
 266                 int result = 0;
 267                 if( confirm_paths.size() ) {
 268                         result = ConfirmSave::test_files(mwindow, &confirm_paths);
 269                         confirm_paths.remove_all_objects();
 270                 }
 271
 272                 if( !result ) {
 273                         int canceled = 0;
 274                         failed = 0;
 275
 276 // create proxy assets which don't already exist
 277                         if( needed_orig_assets.size() > 0 ) {
 278                                 int64_t total_len = 0;
 279                                 for( int i = 0; i < needed_orig_assets.size(); i++ )
 280                                         total_len += needed_orig_assets.get(i)->video_length;
 281 // start progress bar.  MWindow is locked inside this
 282                                 progress = mwindow->mainprogress->
 283                                         start_progress(_("Creating proxy files..."), total_len);
 284                                 total_rendered = 0;
 285
 286                                 ProxyFarm engine(mwindow, this,
 287                                         &needed_assets, &needed_orig_assets);
 288                                 engine.process_packages();
 289 printf("failed=%d canceled=%d\n", failed, progress->is_cancelled());
 290
 291 // stop progress bar
 292                                 canceled = progress->is_cancelled();
 293                                 progress->stop_progress();
 294                                 delete progress;  progress = 0;
 295
 296                                 if( failed && !canceled ) {
 297                                         int cx, cy;
 298                                         mwindow->gui->get_abs_cursor_xy(cx, cy, 1);
 299                                         ErrorBox error_box(PROGRAM_NAME ": Error", cx, cy);
 300                                         error_box.create_objects(_("Error making proxy."));
 301                                         error_box.raise_window();
 302                                         error_box.run_window();
 303                                 }
 304                         }
 305
 306 // resize project
 307                         if( !failed && !canceled ) {
 308                                 mwindow->set_proxy(use_scaler, new_scale, &orig_assets, &proxy_assets);
 309                         }
 310                 }
 311
 312                 for( int i = 0; i < proxy_assets.size(); i++ )
 313                         proxy_assets.get(i)->Garbage::remove_user();
 314                 for( int i = 0; i < orig_assets.size(); i++ )
 315                         orig_assets.get(i)->Garbage::remove_user();
 316                 for( int i = 0; i < needed_assets.size(); i++ )
 317                         needed_assets.get(i)->Garbage::remove_user();
 318                 for( int i = 0; i < needed_orig_assets.size(); i++ )
 319                         needed_orig_assets.get(i)->Garbage::remove_user();
 320         }
 321
 322         mwindow->undo->update_undo_after(_("proxy"), LOAD_ALL);
 323         mwindow->edl->Garbage::remove_user();
 324         mwindow->restart_brender();
 325
 326         mwindow->gui->lock_window("ProxyThread::to_proxy");
 327         mwindow->update_project(LOAD_ALL);
 328         mwindow->gui->unlock_window();
 329 }
 330
 331
 332 void ProxyThread::to_proxy_path(char *new_path, Asset *asset, int scale)
 333 {
 334         strcpy(new_path, asset->path);
 335         char prxy[BCTEXTLEN];
 336         sprintf(prxy, ".proxy%d", scale);
 337 // path is already a proxy
 338         if( strstr(new_path, prxy) ) return;
 339         int len = strlen(new_path);
 340 // insert proxy prxy
 341         char *ptr = strrchr(new_path, '.');
 342         if( ptr ) {
 343                 char *cp = new_path + len;
 344                 int n = strlen(prxy);
 345                 char *bp = cp + n;
 346                 for( *bp=0; cp>ptr; ) *--bp = *--cp;
 347                 for( cp= prxy+n; bp>ptr; ) *--bp = *--cp;
 348 //printf("ProxyThread::to_proxy_path %d %s %s\n", __LINE__, new_path), asset->path);
 349         }
 350         else
 351                 strcpy(new_path+len, prxy);
 352 }
 353
 354 void ProxyThread::from_proxy_path(char *new_path, Asset *asset, int scale)
 355 {
 356         char prxy[BCTEXTLEN];
 357         sprintf(prxy, ".proxy%d", scale);
 358         strcpy(new_path, asset->path);
 359         char *ptr = strstr(asset->path, prxy);
 360         if( !ptr ) return;
 361         int n = strlen(prxy);
 362         for( char *cp=ptr+n; --n>=0; ++ptr,++cp ) *ptr = *cp;
 363         *ptr = 0;
 364 }
 365
 366 void ProxyThread::update_progress()
 367 {
 368         counter_lock->lock();
 369         total_rendered++;
 370         counter_lock->unlock();
 371         progress->update(total_rendered);
 372 }
 373
 374 int ProxyThread::is_canceled()
 375 {
 376         return progress->is_cancelled();
 377 }
 378
 379
 380
 381 ProxyWindow::ProxyWindow(MWindow *mwindow, ProxyThread *thread, int x, int y)
 382  : BC_Window(_(PROGRAM_NAME ": Proxy settings"), x, y, WIDTH, HEIGHT,
 383                 -1, -1, 0, 0, 1)
 384 {
 385         this->mwindow = mwindow;
 386         this->thread = thread;
 387         format_tools = 0;
 388 }
 389
 390 ProxyWindow::~ProxyWindow()
 391 {
 392         lock_window("ProxyWindow::~ProxyWindow");
 393         delete format_tools;
 394         unlock_window();
 395 }
 396
 397
 398 void ProxyWindow::create_objects()
 399 {
 400         lock_window("ProxyWindow::create_objects");
 401
 402         int margin = mwindow->theme->widget_border;
 403         int x = margin;
 404         int y = margin;
 405         thread->use_scaler = mwindow->edl->session->proxy_use_scaler;
 406         thread->orig_scale = mwindow->edl->session->proxy_scale;
 407         thread->new_scale = thread->orig_scale;
 408
 409         BC_Title *text;
 410         add_subwindow(text = new BC_Title(x, y,
 411                 _("What size should the project\n"
 412                   "be scaled to for editing?")));
 413         y += text->get_h() * 2 + margin;
 414
 415         add_subwindow(text = new BC_Title(x, y, _("Scale factor:")));
 416         x += text->get_w() + margin;
 417
 418         thread->size_text[0] = cstrdup(_("Original size"));
 419         thread->size_factors[0] = 1;
 420         thread->total_sizes = 1;
 421         int popupmenu_w = BC_PopupMenu::calculate_w(get_text_width(MEDIUMFONT, thread->size_text[0]));
 422         add_subwindow(scale_factor = new ProxyMenu(mwindow, this, x, y, popupmenu_w, ""));
 423         scale_factor->update_sizes();
 424         x += scale_factor->get_w() + margin;
 425
 426         ProxyTumbler *tumbler;
 427         add_subwindow(tumbler = new ProxyTumbler(mwindow, this, x, y));
 428         y += tumbler->get_h() + margin;
 429         x = margin;
 430         add_subwindow(use_scaler = new ProxyUseScaler(mwindow, this, x, y));
 431         y += use_scaler->get_h() + margin;
 432         y += 25;
 433
 434         x = margin;
 435         add_subwindow(text = new BC_Title(x, y, _("New media dimensions: ")));
 436         x += text->get_w() + margin;
 437         add_subwindow(new_dimensions = new BC_Title(x, y, ""));
 438
 439         x = margin;
 440         y += new_dimensions->get_h() * 2 + margin;
 441
 442
 443         format_tools = new ProxyFormatTools(mwindow, this, thread->asset);
 444         format_tools->create_objects(x, y, 0, 1, 0, 0, 0, 1, 0, 1, // skip the path
 445                 0, 0);
 446
 447         update();
 448
 449         add_subwindow(new BC_OKButton(this));
 450         add_subwindow(new BC_CancelButton(this));
 451         show_window(1);
 452         unlock_window();
 453 }
 454
 455 ProxyFormatTools::ProxyFormatTools(MWindow *mwindow, ProxyWindow *pwindow, Asset *asset)
 456  : FormatTools(mwindow, pwindow, asset)
 457 {
 458         this->pwindow = pwindow;
 459 }
 460
 461 void ProxyFormatTools::update_format()
 462 {
 463         FormatTools::update_format();
 464         pwindow->use_scaler->update();
 465 }
 466
 467 void ProxyWindow::update()
 468 {
 469 // preview the new size
 470         char string[BCTEXTLEN];
 471 //printf("ProxyWindow::update %d %d %d %d %d\n",
 472 // __LINE__, mwindow->edl->session->output_w, mwindow->edl->session->output_h,
 473 // thread->orig_scale, thread->new_scale);
 474         int orig_w = mwindow->edl->session->output_w * thread->orig_scale;
 475         int orig_h = mwindow->edl->session->output_h * thread->orig_scale;
 476         sprintf(string, "%dx%d",
 477                 orig_w / thread->new_scale, orig_h / thread->new_scale);
 478         new_dimensions->update(string);
 479         thread->scale_to_text(string, thread->new_scale);
 480         scale_factor->set_text(string);
 481         use_scaler->update();
 482 }
 483
 484
 485 ProxyUseScaler::ProxyUseScaler(MWindow *mwindow, ProxyWindow *pwindow, int x, int y)
 486  : BC_CheckBox(x, y, pwindow->thread->use_scaler, _("Use scaler   (FFMPEG only)"))
 487 {
 488         this->mwindow = mwindow;
 489         this->pwindow = pwindow;
 490 }
 491
 492 void ProxyUseScaler::update()
 493 {
 494         ProxyThread *thread = pwindow->thread;
 495         if( thread->asset->format != FILE_FFMPEG ) thread->use_scaler = 0;
 496         BC_CheckBox::update(thread->use_scaler);
 497         int scaler_avail = thread->asset->format == FILE_FFMPEG ? 1 : 0;
 498         if( !scaler_avail &&  enabled ) disable();
 499         if( scaler_avail  && !enabled ) enable();
 500 }
 501
 502 int ProxyUseScaler::handle_event()
 503 {
 504         pwindow->thread->new_scale = 1;
 505         pwindow->thread->use_scaler = get_value();
 506         pwindow->scale_factor->update_sizes();
 507         pwindow->update();
 508         return 1;
 509 }
 510
 511
 512 ProxyMenu::ProxyMenu(MWindow *mwindow, ProxyWindow *pwindow,
 513                 int x, int y, int w, const char *text)
 514  : BC_PopupMenu(x, y, w, text, 1)
 515 {
 516         this->mwindow = mwindow;
 517         this->pwindow = pwindow;
 518 }
 519
 520 void ProxyMenu::update_sizes()
 521 {
 522         while( total_items() > 0 ) del_item(0);
 523         ProxyThread *thread = pwindow->thread;
 524         thread->calculate_sizes();
 525         for( int i=0; i < thread->total_sizes; i++ )
 526                 add_item(new BC_MenuItem(thread->size_text[i]));
 527 }
 528
 529 int ProxyMenu::handle_event()
 530 {
 531         for( int i = 0; i < pwindow->thread->total_sizes; i++ ) {
 532                 if( !strcmp(get_text(), pwindow->thread->size_text[i]) ) {
 533                         pwindow->thread->new_scale = pwindow->thread->size_factors[i];
 534                         if( pwindow->thread->new_scale == 1 )
 535                                 pwindow->thread->use_scaler = 0;
 536                         pwindow->update();
 537                         break;
 538                 }
 539         }
 540         return 1;
 541 }
 542
 543
 544 ProxyTumbler::ProxyTumbler(MWindow *mwindow, ProxyWindow *pwindow, int x, int y)
 545  : BC_Tumbler(x, y, 0)
 546 {
 547         this->mwindow = mwindow;
 548         this->pwindow = pwindow;
 549 }
 550
 551 int ProxyTumbler::handle_up_event()
 552 {
 553         if( pwindow->thread->new_scale > 1 ) {
 554                 int i;
 555                 for( i = 0; i < pwindow->thread->total_sizes; i++ ) {
 556                         if( pwindow->thread->new_scale == pwindow->thread->size_factors[i] ) {
 557                                 i--;
 558                                 pwindow->thread->new_scale = pwindow->thread->size_factors[i];
 559                                 pwindow->update();
 560                                 return 1;
 561                         }
 562                 }
 563         }
 564
 565         return 0;
 566 }
 567
 568 int ProxyTumbler::handle_down_event()
 569 {
 570         int i;
 571         for( i = 0; i < pwindow->thread->total_sizes - 1; i++ ) {
 572                 if( pwindow->thread->new_scale == pwindow->thread->size_factors[i] ) {
 573                         i++;
 574                         pwindow->thread->new_scale = pwindow->thread->size_factors[i];
 575                         pwindow->update();
 576                         return 1;
 577                 }
 578         }
 579
 580         return 0;
 581 }
 582
 583
 584 ProxyPackage::ProxyPackage()
 585  : LoadPackage()
 586 {
 587 }
 588
 589 ProxyClient::ProxyClient(MWindow *mwindow, ProxyThread *thread, ProxyFarm *server)
 590  : LoadClient(server)
 591 {
 592         this->mwindow = mwindow;
 593         this->thread = thread;
 594 }
 595
 596 void ProxyClient::process_package(LoadPackage *ptr)
 597 {
 598         ProxyPackage *package = (ProxyPackage*)ptr;
 599         if( thread->failed ) return;
 600
 601         File src_file;
 602         File dst_file;
 603         EDL *edl = mwindow->edl;
 604         Preferences *preferences = mwindow->preferences;
 605         int processors = 1;
 606
 607         int result;
 608         src_file.set_processors(processors);
 609         src_file.set_preload(edl->session->playback_preload);
 610         src_file.set_subtitle(edl->session->decode_subtitles ?
 611                 edl->session->subtitle_number : -1);
 612         src_file.set_interpolate_raw(edl->session->interpolate_raw);
 613         src_file.set_white_balance_raw(edl->session->white_balance_raw);
 614
 615 //printf("%s %s\n", package->orig_asset->path, package->proxy_asset->path);
 616
 617
 618         result = src_file.open_file(preferences, package->orig_asset, 1, 0);
 619         if( result ) {
 620 // go to the next asset if the reader fails
 621 //              thread->failed = 1;
 622                 return;
 623         }
 624
 625         dst_file.set_processors(processors);
 626         result = dst_file.open_file(preferences, package->proxy_asset, 0, 1);
 627         if( result ) {
 628                 thread->failed = 1;
 629                 return;
 630         }
 631
 632         dst_file.start_video_thread(1, edl->session->color_model,
 633                         processors > 1 ? 2 : 1, 0);
 634
 635         VFrame src_frame(0, -1,
 636                 package->orig_asset->width, package->orig_asset->height,
 637                 edl->session->color_model, -1);
 638
 639         OverlayFrame scaler(processors);
 640
 641         for( int64_t i = 0; i < package->orig_asset->video_length &&
 642              !thread->failed && !thread->is_canceled(); i++ ) {
 643                 src_file.set_video_position(i, 0);
 644                 result = src_file.read_frame(&src_frame);
 645 //printf("result=%d\n", result);
 646
 647                 if( result ) {
 648 // go to the next asset if the reader fails
 649 //                      thread->failed = 1;
 650                         break;
 651                 }
 652
 653 // have to write after getting the video buffer or it locks up
 654                 VFrame ***dst_frames = dst_file.get_video_buffer();
 655                 VFrame *dst_frame = dst_frames[0][0];
 656                 scaler.overlay(dst_frame, &src_frame,
 657                         0, 0, src_frame.get_w(), src_frame.get_h(),
 658                         0, 0, dst_frame->get_w(), dst_frame->get_h(),
 659                         1.0, TRANSFER_REPLACE, NEAREST_NEIGHBOR);
 660                 result = dst_file.write_video_buffer(1);
 661                 if( result ) {
 662 // only fail if the writer fails
 663                         thread->failed = 1;
 664                         break;
 665                 }
 666                 else {
 667                         thread->update_progress();
 668                 }
 669         }
 670 }
 671
 672
 673 ProxyFarm::ProxyFarm(MWindow *mwindow, ProxyThread *thread,
 674         ArrayList<Asset*> *proxy_assets, ArrayList<Asset*> *orig_assets)
 675  : LoadServer(MIN(mwindow->preferences->processors, proxy_assets->size()),
 676         proxy_assets->size())
 677 {
 678         this->mwindow = mwindow;
 679         this->thread = thread;
 680         this->proxy_assets = proxy_assets;
 681         this->orig_assets = orig_assets;
 682 }
 683
 684 void ProxyFarm::init_packages()
 685 {
 686         for( int i = 0; i < get_total_packages(); i++ ) {
 687         ProxyPackage *package = (ProxyPackage*)get_package(i);
 688         package->proxy_asset = proxy_assets->get(i);
 689                 package->orig_asset = orig_assets->get(i);
 690         }
 691 }
 692
 693 LoadClient* ProxyFarm::new_client()
 694 {
 695         return new ProxyClient(mwindow, thread, this);
 696 }
 697
 698 LoadPackage* ProxyFarm::new_package()
 699 {
 700         return new ProxyPackage;
 701 }
 702