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 "audiodevice.h"
  24 #include "bcsignals.h"
  25 #include "cache.h"
  26 #include "clip.h"
  27 #include "cstrdup.h"
  28 #include "edl.h"
  29 #include "edlsession.h"
  30 #include "errorbox.h"
  31 #include "file.h"
  32 #include "filesystem.h"
  33 #include "formattools.h"
  34 #include "language.h"
  35 #include "mainerror.h"
  36 #include "mainindexes.h"
  37 #include "mainprogress.h"
  38 #include "mainundo.h"
  39 #include "mutex.h"
  40 #include "mwindow.h"
  41 #include "mwindowgui.h"
  42 #include "overlayframe.h"
  43 #include "preferences.h"
  44 #include "proxy.h"
  45 #include "renderengine.h"
  46 #include "theme.h"
  47 #include "transportque.h"
  48 #include "vrender.h"
  49
  50 #define WIDTH xS(400)
  51 #define HEIGHT yS(330)
  52 #define MAX_SCALE 16
  53
  54 ProxyMenuItem::ProxyMenuItem(MWindow *mwindow)
  55  : BC_MenuItem(_("Proxy settings..."),  _("Alt-r"), 'r')
  56 {
  57         this->mwindow = mwindow;
  58         set_alt();
  59         dialog = 0;
  60 }
  61 ProxyMenuItem::~ProxyMenuItem()
  62 {
  63         delete dialog;
  64 }
  65
  66 void ProxyMenuItem::create_objects()
  67 {
  68         dialog = new ProxyDialog(mwindow);
  69 }
  70
  71 int ProxyMenuItem::handle_event()
  72 {
  73         mwindow->gui->unlock_window();
  74         dialog->start();
  75         mwindow->gui->lock_window("ProxyMenuItem::handle_event");
  76
  77         return 1;
  78 }
  79
  80 ProxyDialog::ProxyDialog(MWindow *mwindow)
  81 {
  82         this->mwindow = mwindow;
  83         gui = 0;
  84         asset = new Asset;
  85
  86 // quicker than some, not as good as others
  87         asset->format = FILE_FFMPEG;
  88         strcpy(asset->fformat, "mpeg");
  89         strcpy(asset->vcodec, "mpeg.mpeg");
  90         asset->ff_video_bitrate = 2000000;
  91         asset->video_data = 1;
  92
  93         bzero(size_text, sizeof(char*) * MAX_SIZES);
  94         bzero(size_factors, sizeof(int) * MAX_SIZES);
  95         size_text[0] = cstrdup(_("Original size"));
  96         size_factors[0] = 1;
  97         total_sizes = 1;
  98 }
  99
 100 ProxyDialog::~ProxyDialog()
 101 {
 102         close_window();
 103         for( int i=0; i<MAX_SIZES; ++i ) delete [] size_text[i];
 104         asset->remove_user();
 105 }
 106
 107 BC_Window* ProxyDialog::new_gui()
 108 {
 109         asset->format = FILE_FFMPEG;
 110         asset->load_defaults(mwindow->defaults, "PROXY_", 1, 1, 0, 0, 0);
 111         mwindow->gui->lock_window("ProxyDialog::new_gui");
 112         int cx, cy;
 113         mwindow->gui->get_abs_cursor(cx, cy);
 114         gui = new ProxyWindow(mwindow, this, cx - WIDTH/2, cy - HEIGHT/2);
 115         gui->create_objects();
 116         mwindow->gui->unlock_window();
 117         return gui;
 118 }
 119
 120 void ProxyDialog::scale_to_text(char *string, int scale)
 121 {
 122         strcpy(string, size_text[0]);
 123         for( int i = 0; i < total_sizes; i++ ) {
 124                 if( scale == size_factors[i] ) {
 125                         strcpy(string, size_text[i]);
 126                         break;
 127                 }
 128         }
 129 }
 130
 131
 132 void ProxyDialog::calculate_sizes()
 133 {
 134         for( int i=1; i<total_sizes; ++i ) {
 135                 delete [] size_text[i];
 136                 size_text[i] = 0;
 137                 size_factors[i] = 0;
 138         }
 139         total_sizes = 1;
 140
 141         if( !use_scaler ) {
 142 // w,h should stay even for yuv
 143                 int ow = orig_w, oh = orig_h;
 144                 if( BC_CModels::is_yuv(mwindow->edl->session->color_model) ) {
 145                         ow /= 2;  oh /= 2;
 146                 }
 147                 for( int i=2; i<MAX_SCALE; ++i ) {
 148                         if( (ow % i) != 0 ) continue;
 149                         if( (oh % i) != 0 ) continue;
 150                         size_factors[total_sizes++] = i;
 151                 }
 152         }
 153         else {
 154                 size_factors[total_sizes++] = 2;   size_factors[total_sizes++] = 3;
 155                 size_factors[total_sizes++] = 8;   size_factors[total_sizes++] = 12;
 156                 size_factors[total_sizes++] = 16;  size_factors[total_sizes++] = 24;
 157                 size_factors[total_sizes++] = 32;
 158         }
 159         for( int i=1; i<total_sizes; ++i ) {
 160                 char string[BCTEXTLEN];
 161                 sprintf(string, "1/%d", size_factors[i]);
 162                 size_text[i] = cstrdup(string);
 163         }
 164 }
 165
 166 void ProxyDialog::handle_close_event(int result)
 167 {
 168         if( result ) return;
 169         if( !File::renders_video(asset) ) {
 170                 eprintf(_("Specified format does not render video"));
 171                 return;
 172         }
 173         mwindow->edl->session->proxy_auto_scale = auto_scale;
 174         mwindow->edl->session->proxy_beep = beep;
 175         asset->save_defaults(mwindow->defaults, "PROXY_", 1, 1, 0, 0, 0);
 176         result = mwindow->to_proxy(asset, new_scale, use_scaler);
 177         if( result >= 0 && beep > 0 && new_scale != 1 ) {
 178                 if( !result ) {
 179                         mwindow->beep(4000., 0.5, beep);
 180                         usleep(250000);
 181                         mwindow->beep(1000., 0.5, beep);
 182                         usleep(250000);
 183                         mwindow->beep(4000., 0.5, beep);
 184                 }
 185                 else
 186                         mwindow->beep(2000., 2.0, beep);
 187         }
 188         mwindow->edl->session->proxy_disabled_scale = 1;
 189         mwindow->gui->lock_window("ProxyDialog::handle_close_event");
 190         mwindow->update_project(LOADMODE_REPLACE);
 191         mwindow->gui->unlock_window();
 192 }
 193
 194 void ProxyRender::to_proxy_path(char *new_path, Indexable *indexable, int scale)
 195 {
 196 // path is already a proxy
 197         if( strstr(indexable->path, ".proxy") ) return;
 198         if( !indexable->is_asset ) {
 199                 char *ifn = indexable->path, *cp = strrchr(ifn, '/');
 200                 if( cp ) ifn = cp+1;
 201                 char proxy_path[BCTEXTLEN];
 202                 File::getenv_path(proxy_path,
 203                         mwindow->preferences->nested_proxy_path);
 204                 sprintf(new_path, "%s/%s", proxy_path, ifn);
 205         }
 206         else
 207                 strcpy(new_path, indexable->path);
 208         char prxy[BCSTRLEN];
 209         int n = sprintf(prxy, ".proxy%d", scale);
 210 // insert proxy, path.sfx => path.proxy#-sfx.ext
 211         char *ep = new_path + strlen(new_path);
 212         char *sfx = strrchr(new_path, '.');
 213         if( sfx ) {
 214                 char *bp = ep, *cp = (ep += n);
 215                 while( --bp > sfx ) *--cp = *bp;
 216                 *--cp = '-';
 217         }
 218         else {
 219                 sfx = ep;  ep += n;
 220         }
 221         for( char *cp=prxy; --n>=0; ++cp ) *sfx++ = *cp;
 222         *ep++ = '.';
 223         const char *ext = indexable->get_video_frames() < 0 ?  "png" :
 224                 format_asset->format == FILE_FFMPEG ?
 225                         format_asset->fformat :
 226                         File::get_tag(format_asset->format);
 227         while( *ext ) *ep++ = *ext++;
 228         *ep = 0;
 229 //printf("ProxyRender::to_proxy_path %d %s %s\n", __LINE__, new_path), asset->path);
 230 }
 231
 232 int ProxyRender::from_proxy_path(char *new_path, Indexable *indexable, int scale)
 233 {
 234         char prxy[BCTEXTLEN];
 235         int n = sprintf(prxy, ".proxy%d", scale);
 236         strcpy(new_path, indexable->path);
 237         char *ptr = strstr(new_path, prxy);
 238         if( !ptr || (ptr[n] != '-' && ptr[n] != '.') ) return 1;
 239 // remove proxy, path.proxy#-sfx.ext => path.sfx
 240         char *ext = strrchr(ptr, '.');
 241         if( !ext ) ext = ptr + strlen(ptr);
 242         char *cp = ptr + n;
 243         for( *cp='.'; cp<ext; ++cp ) *ptr++ = *cp;
 244         *ptr = 0;
 245         return 0;
 246 }
 247
 248 ProxyRender::ProxyRender(MWindow *mwindow, Asset *format_asset, int asset_scale)
 249 {
 250         this->mwindow = mwindow;
 251         this->format_asset = format_asset;
 252         this->asset_scale = asset_scale;
 253         progress = 0;
 254         counter_lock = new Mutex("ProxyDialog::counter_lock");
 255         total_rendered = 0;
 256         failed = 0;  canceled = 0;
 257 }
 258
 259 ProxyRender::~ProxyRender()
 260 {
 261         delete progress;
 262         delete counter_lock;
 263
 264         for( int i=0,n=orig_idxbls.size(); i<n; ++i ) orig_idxbls[i]->remove_user();
 265         for( int i=0,n=orig_proxies.size(); i<n; ++i ) orig_proxies[i]->remove_user();
 266         for( int i=0,n=needed_idxbls.size(); i<n; ++i ) needed_idxbls[i]->remove_user();
 267         for( int i=0,n=needed_proxies.size(); i<n; ++i ) needed_proxies[i]->remove_user();
 268 }
 269
 270 Asset *ProxyRender::add_original(Indexable *idxbl, int new_scale)
 271 {
 272         if( !idxbl->have_video() ) return 0;
 273 // don't proxy proxies
 274         if( strstr(idxbl->path,".proxy") ) return 0;
 275         char new_path[BCTEXTLEN];
 276         to_proxy_path(new_path, idxbl, new_scale);
 277 // don't proxy if not readable, or proxy_path not writable
 278         if( idxbl->is_asset && access(idxbl->path, R_OK) ) return 0;
 279         int ret = access(new_path, W_OK);
 280         if( ret ) {
 281                 int fd = ::open(new_path,O_WRONLY);
 282                 if( fd < 0 ) fd = open(new_path,O_WRONLY+O_CREAT,0666);
 283                 if( fd >= 0 ) { close(fd);  ret = 0; }
 284         }
 285         if( ret ) {
 286                 eprintf(_("bad proxy path: %s\n"), new_path);
 287                 return 0;
 288         }
 289 // add to orig_idxbls & orig_proxies if it isn't already there.
 290         int got_it = 0;
 291         for( int i = 0; !got_it && i<orig_proxies.size(); ++i )
 292                 got_it = !strcmp(orig_proxies[i]->path, new_path);
 293         if( got_it ) return 0;
 294         Assets *edl_assets = mwindow->edl->assets;
 295         Asset *proxy = edl_assets->get_asset(new_path);
 296         if( !proxy ) {
 297                 proxy = new Asset(new_path);
 298 // new compression parameters
 299                 int64_t video_frames = idxbl->get_video_frames();
 300                 if( video_frames < 0 ) {
 301                         proxy->format = FILE_PNG;
 302                         proxy->png_use_alpha = 1;
 303                         proxy->video_length = -1;
 304                 }
 305                 else {
 306                         proxy->copy_format(format_asset, 0);
 307                         proxy->video_length = video_frames;
 308                 }
 309                 proxy->folder_no = AW_PROXY_FOLDER;
 310                 proxy->audio_data = 0;
 311                 proxy->video_data = 1;
 312                 proxy->layers = 1;
 313                 proxy->width = idxbl->get_w() / new_scale;
 314                 if( proxy->width & 1 ) ++proxy->width;
 315                 proxy->actual_width = proxy->width;
 316                 proxy->height = idxbl->get_h() / new_scale;
 317                 if( proxy->height & 1 ) ++proxy->height;
 318                 proxy->actual_height = proxy->height;
 319                 proxy->frame_rate = idxbl->get_frame_rate();
 320         }
 321         orig_proxies.append(proxy);
 322         idxbl->add_user();
 323         orig_idxbls.append(idxbl);
 324         return proxy;
 325 }
 326
 327 void ProxyRender::add_needed(Indexable *idxbl, Asset *proxy)
 328 {
 329         needed_idxbls.append(idxbl);
 330         idxbl->add_user();
 331         needed_proxies.append(proxy);
 332         proxy->add_user();
 333 }
 334
 335 void ProxyRender::update_progress()
 336 {
 337         counter_lock->lock();
 338         ++total_rendered;
 339         counter_lock->unlock();
 340         progress->update(total_rendered);
 341 }
 342
 343 int ProxyRender::is_canceled()
 344 {
 345         return progress->is_cancelled();
 346 }
 347
 348 int ProxyRender::create_needed_proxies(int new_scale)
 349 {
 350         if( !needed_proxies.size() ) return 0;
 351         total_rendered = 0;
 352         failed = 0;  canceled = 0;
 353
 354 // create proxy assets which don't already exist
 355         int64_t total_len = 0;
 356         for( int i = 0; i < needed_idxbls.size(); i++ ) {
 357                 total_len += needed_idxbls[i]->get_video_frames();
 358         }
 359
 360 // start progress bar.  MWindow is locked inside this
 361         progress = mwindow->mainprogress->
 362                 start_progress(_("Creating proxy files..."), total_len);
 363
 364         ProxyFarm engine(mwindow, this, &needed_idxbls, &needed_proxies);
 365         engine.process_packages();
 366 printf("proxy: failed=%d canceled=%d\n", failed, progress->is_cancelled());
 367
 368 // stop progress bar
 369         canceled = progress->is_cancelled();
 370         progress->stop_progress();
 371         delete progress;  progress = 0;
 372
 373         if( failed && !canceled ) {
 374                 eprintf(_("Error making proxy."));
 375         }
 376         return !failed && !canceled ? 0 : 1;
 377 }
 378
 379
 380 ProxyWindow::ProxyWindow(MWindow *mwindow, ProxyDialog *dialog, int x, int y)
 381  : BC_Window(_(PROGRAM_NAME ": Proxy settings"), x, y, WIDTH, HEIGHT,
 382                 -1, -1, 0, 0, 1)
 383 {
 384         this->mwindow = mwindow;
 385         this->dialog = dialog;
 386         format_tools = 0;
 387 }
 388
 389 ProxyWindow::~ProxyWindow()
 390 {
 391         lock_window("ProxyWindow::~ProxyWindow");
 392         delete format_tools;
 393         unlock_window();
 394 }
 395
 396
 397 void ProxyWindow::create_objects()
 398 {
 399         lock_window("ProxyWindow::create_objects");
 400         int margin = mwindow->theme->widget_border;
 401         int lmargin = margin + xS(10);
 402
 403         dialog->use_scaler = mwindow->edl->session->proxy_use_scaler;
 404         dialog->orig_scale = mwindow->edl->session->proxy_scale;
 405         dialog->auto_scale = mwindow->edl->session->proxy_auto_scale;
 406         dialog->beep = mwindow->edl->session->proxy_beep;
 407         dialog->new_scale = dialog->orig_scale;
 408         dialog->orig_w = mwindow->edl->session->output_w;
 409         dialog->orig_h = mwindow->edl->session->output_h;
 410         if( !dialog->use_scaler ) {
 411                 dialog->orig_w *= dialog->orig_scale;
 412                 dialog->orig_h *= dialog->orig_scale;
 413         }
 414
 415         int x = lmargin;
 416         int y = margin+yS(10);
 417         add_subwindow(use_scaler = new ProxyUseScaler(this, x, y));
 418         y += use_scaler->get_h() + margin;
 419
 420         BC_Title *text;
 421         add_subwindow(text = new BC_Title(x, y, _("Scale factor:")));
 422         x += text->get_w() + margin;
 423
 424         int popupmenu_w = BC_PopupMenu::calculate_w(get_text_width(MEDIUMFONT, dialog->size_text[0])+xS(15));
 425         add_subwindow(scale_factor = new ProxyMenu(mwindow, this, x, y, popupmenu_w, ""));
 426         scale_factor->update_sizes();
 427         x += scale_factor->get_w() + margin;
 428
 429         ProxyTumbler *tumbler;
 430         add_subwindow(tumbler = new ProxyTumbler(mwindow, this, x, y));
 431         y += tumbler->get_h() + margin;
 432
 433         x = lmargin;
 434         add_subwindow(text = new BC_Title(x, y, _("New media dimensions: ")));
 435         x += text->get_w() + margin;
 436         add_subwindow(new_dimensions = new BC_Title(x, y, ""));
 437         y += new_dimensions->get_h() + margin;
 438
 439         x = lmargin;
 440         add_subwindow(text = new BC_Title(x, y, _("Active Scale: ")));
 441         x += text->get_w() + margin;
 442         add_subwindow(active_scale = new BC_Title(x, y, ""));
 443         y += active_scale->get_h() + margin;
 444
 445         x = lmargin;  y += yS(25);
 446         format_tools = new ProxyFormatTools(mwindow, this, dialog->asset);
 447         format_tools->create_objects(x, y, 0, 1, 0, 0, 0, 1, 0, 1, // skip the path
 448                 0, 0);
 449
 450         x = lmargin;
 451         add_subwindow(auto_scale = new ProxyAutoScale(this, x, y));
 452         y += auto_scale->get_h() + margin;
 453         add_subwindow(beep_on_done = new ProxyBeepOnDone(this, x, y));
 454         x += beep_on_done->get_w() + margin + xS(10);
 455         add_subwindow(new BC_Title(x, y+yS(10), _("Beep on done volume")));
 456 //      y += beep_on_done->get_h() + margin;
 457
 458         update();
 459
 460         add_subwindow(new BC_OKButton(this));
 461         add_subwindow(new BC_CancelButton(this));
 462         show_window(1);
 463         unlock_window();
 464 }
 465
 466 ProxyFormatTools::ProxyFormatTools(MWindow *mwindow, ProxyWindow *pwindow, Asset *asset)
 467  : FormatTools(mwindow, pwindow, asset)
 468 {
 469         this->pwindow = pwindow;
 470 }
 471
 472 void ProxyFormatTools::update_format()
 473 {
 474         asset->save_defaults(mwindow->defaults, "PROXY_", 1, 1, 0, 0, 0);
 475         FormatTools::update_format();
 476         pwindow->use_scaler->update();
 477 }
 478
 479 void ProxyWindow::update()
 480 {
 481         char string[BCSTRLEN];
 482         int new_w = dialog->orig_w / dialog->new_scale;
 483         if( new_w & 1 ) ++new_w;
 484         int new_h = dialog->orig_h / dialog->new_scale;
 485         if( new_h & 1 ) ++new_h;
 486         sprintf(string, "%dx%d", new_w, new_h);
 487         new_dimensions->update(string);
 488         dialog->scale_to_text(string, dialog->new_scale);
 489         scale_factor->set_text(string);
 490         use_scaler->update();
 491         auto_scale->update();
 492         int scale = mwindow->edl->session->proxy_scale;
 493         if( scale == 1 ) scale = mwindow->edl->session->proxy_disabled_scale;
 494         sprintf(string, scale>1 ? "1/%d" : "%d", scale);
 495         active_scale->update(string);
 496 }
 497
 498
 499 ProxyUseScaler::ProxyUseScaler(ProxyWindow *pwindow, int x, int y)
 500  : BC_CheckBox(x, y, pwindow->dialog->use_scaler, _("Use scaler   (FFMPEG only)"))
 501 {
 502         this->pwindow = pwindow;
 503 }
 504
 505 void ProxyUseScaler::update()
 506 {
 507         ProxyDialog *dialog = pwindow->dialog;
 508         if( dialog->asset->format != FILE_FFMPEG ) dialog->use_scaler = 0;
 509         BC_CheckBox::update(dialog->use_scaler);
 510         int scaler_avail = dialog->asset->format == FILE_FFMPEG ? 1 : 0;
 511         if( !scaler_avail &&  enabled ) disable();
 512         if( scaler_avail  && !enabled ) enable();
 513 }
 514
 515 int ProxyUseScaler::handle_event()
 516 {
 517         pwindow->dialog->new_scale = 1;
 518         pwindow->dialog->use_scaler = get_value();
 519         pwindow->scale_factor->update_sizes();
 520         pwindow->update();
 521         return 1;
 522 }
 523
 524 ProxyAutoScale::ProxyAutoScale(ProxyWindow *pwindow, int x, int y)
 525  : BC_CheckBox(x, y, pwindow->dialog->auto_scale, _("Auto proxy/scale media loads"))
 526 {
 527         this->pwindow = pwindow;
 528 }
 529
 530 void ProxyAutoScale::update()
 531 {
 532         ProxyDialog *dialog = pwindow->dialog;
 533         if( dialog->new_scale == 1 ) dialog->auto_scale = 0;
 534         BC_CheckBox::update(dialog->auto_scale);
 535         int can_auto_proxy = dialog->new_scale != 1 ? 1 : 0;
 536         if( !can_auto_proxy &&  enabled ) disable();
 537         if( can_auto_proxy  && !enabled ) enable();
 538 }
 539
 540 int ProxyAutoScale::handle_event()
 541 {
 542         pwindow->dialog->auto_scale = get_value();
 543         pwindow->update();
 544         return 1;
 545 }
 546
 547 ProxyBeepOnDone::ProxyBeepOnDone(ProxyWindow *pwindow, int x, int y)
 548  : BC_FPot(x, y, pwindow->dialog->beep*100.f, 0.f, 100.f)
 549 {
 550         this->pwindow = pwindow;
 551 }
 552
 553 int ProxyBeepOnDone::handle_event()
 554 {
 555         pwindow->dialog->beep = get_value()/100.f;
 556         pwindow->update();
 557         return 1;
 558 }
 559
 560
 561 ProxyMenu::ProxyMenu(MWindow *mwindow, ProxyWindow *pwindow,
 562                 int x, int y, int w, const char *text)
 563  : BC_PopupMenu(x, y, w, text, 1)
 564 {
 565         this->mwindow = mwindow;
 566         this->pwindow = pwindow;
 567 }
 568
 569 void ProxyMenu::update_sizes()
 570 {
 571         while( total_items() > 0 ) del_item(0);
 572         ProxyDialog *dialog = pwindow->dialog;
 573         dialog->calculate_sizes();
 574         for( int i=0; i < dialog->total_sizes; i++ )
 575                 add_item(new BC_MenuItem(dialog->size_text[i]));
 576 }
 577
 578 int ProxyMenu::handle_event()
 579 {
 580         ProxyDialog *dialog = pwindow->dialog;
 581         for( int i = 0; i < dialog->total_sizes; i++ ) {
 582                 if( !strcmp(get_text(), pwindow->dialog->size_text[i]) ) {
 583                         dialog->new_scale = pwindow->dialog->size_factors[i];
 584                         pwindow->update();
 585                         break;
 586                 }
 587         }
 588         return 1;
 589 }
 590
 591
 592 ProxyTumbler::ProxyTumbler(MWindow *mwindow, ProxyWindow *pwindow, int x, int y)
 593  : BC_Tumbler(x, y, 0)
 594 {
 595         this->mwindow = mwindow;
 596         this->pwindow = pwindow;
 597 }
 598
 599 int ProxyTumbler::handle_up_event()
 600 {
 601         if( pwindow->dialog->new_scale > 1 ) {
 602                 int i;
 603                 for( i = 0; i < pwindow->dialog->total_sizes; i++ ) {
 604                         if( pwindow->dialog->new_scale == pwindow->dialog->size_factors[i] ) {
 605                                 i--;
 606                                 pwindow->dialog->new_scale = pwindow->dialog->size_factors[i];
 607                                 pwindow->update();
 608                                 return 1;
 609                         }
 610                 }
 611         }
 612
 613         return 0;
 614 }
 615
 616 int ProxyTumbler::handle_down_event()
 617 {
 618         int i;
 619         for( i = 0; i < pwindow->dialog->total_sizes - 1; i++ ) {
 620                 if( pwindow->dialog->new_scale == pwindow->dialog->size_factors[i] ) {
 621                         i++;
 622                         pwindow->dialog->new_scale = pwindow->dialog->size_factors[i];
 623                         pwindow->update();
 624                         return 1;
 625                 }
 626         }
 627
 628         return 0;
 629 }
 630
 631
 632
 633 ProxyPackage::ProxyPackage()
 634  : LoadPackage()
 635 {
 636 }
 637
 638 ProxyClient::ProxyClient(MWindow *mwindow,
 639                 ProxyRender *proxy_render, ProxyFarm *server)
 640  : LoadClient(server)
 641 {
 642         this->mwindow = mwindow;
 643         this->proxy_render = proxy_render;
 644         render_engine = 0;
 645         video_cache = 0;
 646         src_file = 0;
 647 }
 648 ProxyClient::~ProxyClient()
 649 {
 650         delete render_engine;
 651         delete video_cache;
 652         delete src_file;
 653 }
 654
 655 void ProxyClient::process_package(LoadPackage *ptr)
 656 {
 657         if( proxy_render->failed ) return;
 658         if( proxy_render->is_canceled() ) return;
 659
 660         EDL *edl = mwindow->edl;
 661         Preferences *preferences = mwindow->preferences;
 662         ProxyPackage *package = (ProxyPackage*)ptr;
 663         Indexable *orig = package->orig_idxbl;
 664         Asset *proxy = package->proxy_asset;
 665 //printf("%s %s\n", orig->path, proxy->path);
 666         VRender *vrender = 0;
 667         int jobs = proxy_render->needed_proxies.size();
 668         int processors = preferences->project_smp / jobs + 1, result = 0;
 669
 670 // each cpu should process at least about 1 MB, or it thrashes
 671         int size = edl->session->output_w * edl->session->output_h * 4;
 672         int cpus = size / 0x100000 + 1;
 673         if( processors > cpus ) processors = cpus;
 674
 675         if( orig->is_asset ) {
 676                 src_file = new File;
 677                 src_file->set_processors(processors);
 678                 src_file->set_preload(edl->session->playback_preload);
 679                 src_file->set_subtitle(edl->session->decode_subtitles ?
 680                         edl->session->subtitle_number : -1);
 681                 src_file->set_interpolate_raw(edl->session->interpolate_raw);
 682                 src_file->set_white_balance_raw(edl->session->white_balance_raw);
 683                 if( src_file->open_file(preferences, (Asset*)orig, 1, 0) != FILE_OK )
 684                         result = 1;
 685         }
 686         else {
 687                 TransportCommand command;
 688                 command.command = CURRENT_FRAME;
 689                 command.get_edl()->copy_all((EDL *)orig);
 690                 command.change_type = CHANGE_ALL;
 691                 command.realtime = 0;
 692                 render_engine = new RenderEngine(0, preferences, 0, 0);
 693                 render_engine->set_vcache(video_cache = new CICache(preferences));
 694                 render_engine->arm_command(&command);
 695                 if( !(vrender = render_engine->vrender) )
 696                         result = 1;
 697         }
 698         if( result ) {
 699 // go to the next asset if the reader fails
 700 //              proxy_render->failed = 1;
 701                 return;
 702         }
 703
 704         File dst_file;
 705         dst_file.set_processors(processors);
 706         result = dst_file.open_file(preferences, proxy, 0, 1);
 707         if( result ) {
 708                 proxy_render->failed = 1;
 709                 ::remove(proxy->path);
 710                 return;
 711         }
 712
 713         dst_file.start_video_thread(1, edl->session->color_model,
 714                         processors > 1 ? 2 : 1, 0);
 715
 716         int src_w = orig->get_w(), src_h = orig->get_h();
 717         VFrame src_frame(src_w,src_h, edl->session->color_model);
 718
 719         OverlayFrame scaler(processors);
 720         int64_t video_length = orig->get_video_frames();
 721         if( video_length < 0 ) video_length = 1;
 722
 723         for( int64_t i=0; i<video_length &&
 724              !proxy_render->failed && !proxy_render->is_canceled(); ++i ) {
 725                 if( orig->is_asset ) {
 726                         src_file->set_video_position(i, 0);
 727                         result = src_file->read_frame(&src_frame);
 728                 }
 729                 else
 730                         result = vrender->process_buffer(&src_frame, i, 0);
 731 //printf("result=%d\n", result);
 732
 733                 if( result ) {
 734 // go to the next asset if the reader fails
 735 //                      proxy_render->failed = 1;
 736                         break;
 737                 }
 738
 739 // have to write after getting the video buffer or it locks up
 740                 VFrame ***dst_frames = dst_file.get_video_buffer();
 741                 VFrame *dst_frame = dst_frames[0][0];
 742                 int dst_w = dst_frame->get_w(), dst_h = dst_frame->get_h();
 743                 scaler.overlay(dst_frame, &src_frame,
 744                         0,0, src_w,src_h, 0,0, dst_w,dst_h,
 745                         1.0, TRANSFER_REPLACE, NEAREST_NEIGHBOR);
 746                 result = dst_file.write_video_buffer(1);
 747                 if( result ) {
 748 // only fail if the writer fails
 749                         proxy_render->failed = 1;
 750                         break;
 751                 }
 752                 proxy_render->update_progress();
 753         }
 754         if( !proxy_render->failed && !proxy_render->is_canceled() ) {
 755                 Asset *asset = edl->assets->update(proxy);
 756                 asset->proxy_scale = proxy_render->asset_scale;
 757                 int scale = asset->proxy_scale;
 758                 if( !scale ) scale = 1;
 759                 asset->width = asset->actual_width * scale;
 760                 asset->height = asset->actual_height * scale;
 761                 mwindow->mainindexes->add_indexable(asset);
 762                 mwindow->mainindexes->start_build();
 763         }
 764         else
 765                 ::remove(proxy->path);
 766 }
 767
 768
 769 ProxyFarm::ProxyFarm(MWindow *mwindow, ProxyRender *proxy_render,
 770                 ArrayList<Indexable*> *orig_idxbls,
 771                 ArrayList<Asset*> *proxy_assets)
 772  : LoadServer(MIN(mwindow->preferences->processors, proxy_assets->size()),
 773         proxy_assets->size())
 774 {
 775         this->mwindow = mwindow;
 776         this->proxy_render = proxy_render;
 777         this->orig_idxbls = orig_idxbls;
 778         this->proxy_assets = proxy_assets;
 779 }
 780
 781 void ProxyFarm::init_packages()
 782 {
 783         for( int i = 0; i < get_total_packages(); i++ ) {
 784                 ProxyPackage *package = (ProxyPackage*)get_package(i);
 785                 package->proxy_asset = proxy_assets->get(i);
 786                 package->orig_idxbl = orig_idxbls->get(i);
 787         }
 788 }
 789
 790 LoadClient* ProxyFarm::new_client()
 791 {
 792         return new ProxyClient(mwindow, proxy_render, this);
 793 }
 794
 795 LoadPackage* ProxyFarm::new_package()
 796 {
 797         return new ProxyPackage;
 798 }
 799