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 400
  51 #define HEIGHT 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         bzero(size_text, sizeof(char*) * MAX_SIZES);
  86         bzero(size_factors, sizeof(int) * MAX_SIZES);
  87         size_text[0] = cstrdup(_("Original size"));
  88         size_factors[0] = 1;
  89         total_sizes = 1;
  90 }
  91
  92 ProxyDialog::~ProxyDialog()
  93 {
  94         close_window();
  95         for( int i=0; i<MAX_SIZES; ++i ) delete [] size_text[i];
  96         asset->remove_user();
  97 }
  98
  99 BC_Window* ProxyDialog::new_gui()
 100 {
 101         asset->format = FILE_FFMPEG;
 102         asset->load_defaults(mwindow->defaults, "PROXY_", 1, 1, 0, 0, 0);
 103         mwindow->gui->lock_window("ProxyDialog::new_gui");
 104         int cx, cy;
 105         mwindow->gui->get_abs_cursor(cx, cy);
 106         gui = new ProxyWindow(mwindow, this, cx - WIDTH/2, cy - HEIGHT/2);
 107         gui->create_objects();
 108         mwindow->gui->unlock_window();
 109         return gui;
 110 }
 111
 112 void ProxyDialog::scale_to_text(char *string, int scale)
 113 {
 114         strcpy(string, size_text[0]);
 115         for( int i = 0; i < total_sizes; i++ ) {
 116                 if( scale == size_factors[i] ) {
 117                         strcpy(string, size_text[i]);
 118                         break;
 119                 }
 120         }
 121 }
 122
 123
 124 void ProxyDialog::calculate_sizes()
 125 {
 126         for( int i=1; i<total_sizes; ++i ) {
 127                 delete [] size_text[i];
 128                 size_text[i] = 0;
 129                 size_factors[i] = 0;
 130         }
 131         total_sizes = 1;
 132
 133         int orig_w = mwindow->edl->session->output_w * orig_scale;
 134         int orig_h = mwindow->edl->session->output_h * orig_scale;
 135
 136         if( !use_scaler ) {
 137 // w,h should stay even for yuv
 138                 int ow = orig_w, oh = orig_h;
 139                 if( BC_CModels::is_yuv(mwindow->edl->session->color_model) ) {
 140                         ow /= 2;  oh /= 2;
 141                 }
 142                 for( int i=2; i<MAX_SCALE; ++i ) {
 143                         if( (ow % i) != 0 ) continue;
 144                         if( (oh % i) != 0 ) continue;
 145                         size_factors[total_sizes++] = i;
 146                 }
 147         }
 148         else {
 149                 size_factors[total_sizes++] = 2;   size_factors[total_sizes++] = 3;
 150                 size_factors[total_sizes++] = 8;   size_factors[total_sizes++] = 12;
 151                 size_factors[total_sizes++] = 16;  size_factors[total_sizes++] = 24;
 152                 size_factors[total_sizes++] = 32;
 153         }
 154         for( int i=1; i<total_sizes; ++i ) {
 155                 char string[BCTEXTLEN];
 156                 sprintf(string, "1/%d", size_factors[i]);
 157                 size_text[i] = cstrdup(string);
 158         }
 159 }
 160
 161 void ProxyDialog::handle_close_event(int result)
 162 {
 163         if( result ) return;
 164         mwindow->edl->session->proxy_use_scaler = use_scaler;
 165         mwindow->edl->session->proxy_auto_scale = auto_scale;
 166         mwindow->edl->session->proxy_beep = beep;
 167         mwindow->edl->session->proxy_disabled_scale = 1;
 168         asset->save_defaults(mwindow->defaults, "PROXY_", 1, 1, 0, 0, 0);
 169         result = mwindow->to_proxy(asset, new_scale);
 170         if( result >= 0 && beep && new_scale != 1 ) {
 171                 static struct { double freq, secs, gain; }
 172                     tone[2] = { { 2000., 1.5, 0.5 }, { 4000., 0.25, 0.5 } };
 173                 int i = result > 0 ? 0 : 1;
 174                 mwindow->beep(tone[i].freq, tone[i].secs, tone[i].gain);
 175         }
 176 }
 177
 178 void ProxyRender::to_proxy_path(char *new_path, Indexable *indexable, int scale)
 179 {
 180 // path is already a proxy
 181         if( strstr(indexable->path, ".proxy") ) return;
 182         strcpy(new_path, indexable->path);
 183         char prxy[BCSTRLEN];
 184         int n = sprintf(prxy, ".proxy%d", scale);
 185 // insert proxy, path.sfx => path.proxy#-sfx.ext
 186         char *ep = new_path + strlen(new_path);
 187         char *sfx = strrchr(new_path, '.');
 188         if( sfx ) {
 189                 char *bp = ep, *cp = (ep += n);
 190                 while( --bp > sfx ) *--cp = *bp;
 191                 *--cp = '-';
 192         }
 193         else {
 194                 sfx = ep;  ep += n;
 195         }
 196         for( char *cp=prxy; --n>=0; ++cp ) *sfx++ = *cp;
 197         const char *ext = format_asset->format == FILE_FFMPEG ?
 198                 format_asset->fformat : File::get_tag(format_asset->format);
 199         *ep++ = '.';
 200         while( *ext ) *ep++ = *ext++;
 201         *ep = 0;
 202 //printf("ProxyRender::to_proxy_path %d %s %s\n", __LINE__, new_path), asset->path);
 203 }
 204
 205 int ProxyRender::from_proxy_path(char *new_path, Indexable *indexable, int scale)
 206 {
 207         char prxy[BCTEXTLEN];
 208         int n = sprintf(prxy, ".proxy%d", scale);
 209         strcpy(new_path, indexable->path);
 210         char *ptr = strstr(new_path, prxy);
 211         if( !ptr || (ptr[n] != '-' && ptr[n] != '.') ) return 1;
 212 // remove proxy, path.proxy#-sfx.ext => path.sfx
 213         char *ext = strrchr(ptr, '.');
 214         if( !ext ) ext = ptr + strlen(ptr);
 215         char *cp = ptr + n;
 216         for( *cp='.'; cp<ext; ++cp ) *ptr++ = *cp;
 217         *ptr = 0;
 218         return 0;
 219 }
 220
 221 ProxyRender::ProxyRender(MWindow *mwindow, Asset *format_asset)
 222 {
 223         this->mwindow = mwindow;
 224         this->format_asset = format_asset;
 225         progress = 0;
 226         counter_lock = new Mutex("ProxyDialog::counter_lock");
 227         total_rendered = 0;
 228         failed = 0;  canceled = 0;
 229 }
 230
 231 ProxyRender::~ProxyRender()
 232 {
 233         delete progress;
 234         delete counter_lock;
 235
 236         for( int i=0,n=orig_idxbls.size(); i<n; ++i ) orig_idxbls[i]->remove_user();
 237         for( int i=0,n=orig_proxies.size(); i<n; ++i ) orig_proxies[i]->remove_user();
 238         for( int i=0,n=needed_idxbls.size(); i<n; ++i ) needed_idxbls[i]->remove_user();
 239         for( int i=0,n=needed_proxies.size(); i<n; ++i ) needed_proxies[i]->remove_user();
 240 }
 241
 242 Asset *ProxyRender::add_original(Indexable *idxbl, int new_scale)
 243 {
 244         if( !idxbl->have_video() ) return 0;
 245         if( idxbl->get_video_frames() <= 0 ) return 0;
 246 // don't proxy proxies
 247         if( strstr(idxbl->path,".proxy") ) return 0;
 248         char new_path[BCTEXTLEN];
 249         to_proxy_path(new_path, idxbl, new_scale);
 250 // don't proxy if not readable
 251         if( idxbl->is_asset && access(idxbl->path, R_OK) ) return 0;
 252 // add to orig_idxbls & orig_proxies if it isn't already there.
 253         int got_it = 0;
 254         for( int i = 0; !got_it && i<orig_proxies.size(); ++i )
 255                 got_it = !strcmp(orig_proxies[i]->path, new_path);
 256         if( got_it ) return 0;
 257         Assets *edl_assets = mwindow->edl->assets;
 258         Asset *proxy = edl_assets->get_asset(new_path);
 259         if( !proxy ) {
 260                 proxy = new Asset(new_path);
 261 // new compression parameters
 262                 proxy->copy_format(format_asset, 0);
 263                 proxy->awindow_folder = AW_PROXY_FOLDER;
 264                 proxy->audio_data = 0;
 265                 proxy->video_data = 1;
 266                 proxy->layers = 1;
 267                 proxy->width = idxbl->get_w() / new_scale;
 268                 if( proxy->width & 1 ) ++proxy->width;
 269                 proxy->actual_width = proxy->width;
 270                 proxy->height = idxbl->get_h() / new_scale;
 271                 if( proxy->height & 1 ) ++proxy->height;
 272                 proxy->actual_height = proxy->height;
 273                 proxy->frame_rate = idxbl->get_frame_rate();
 274                 proxy->video_length = idxbl->get_video_frames();
 275                 edl_assets->append(proxy);
 276         }
 277         proxy->add_user();
 278         orig_proxies.append(proxy);
 279         idxbl->add_user();
 280         orig_idxbls.append(idxbl);
 281         return proxy;
 282 }
 283
 284 void ProxyRender::add_needed(Indexable *idxbl, Asset *proxy)
 285 {
 286         needed_idxbls.append(idxbl);
 287         idxbl->add_user();
 288         needed_proxies.append(proxy);
 289         proxy->add_user();
 290 }
 291
 292 void ProxyRender::update_progress()
 293 {
 294         counter_lock->lock();
 295         ++total_rendered;
 296         counter_lock->unlock();
 297         progress->update(total_rendered);
 298 }
 299
 300 int ProxyRender::is_canceled()
 301 {
 302         return progress->is_cancelled();
 303 }
 304
 305 int ProxyRender::create_needed_proxies(int new_scale)
 306 {
 307         if( !needed_proxies.size() ) return 0;
 308         total_rendered = 0;
 309         failed = 0;  canceled = 0;
 310
 311 // create proxy assets which don't already exist
 312         int64_t total_len = 0;
 313         for( int i = 0; i < needed_idxbls.size(); i++ ) {
 314                 total_len += needed_idxbls[i]->get_video_frames();
 315         }
 316
 317 // start progress bar.  MWindow is locked inside this
 318         progress = mwindow->mainprogress->
 319                 start_progress(_("Creating proxy files..."), total_len);
 320
 321         ProxyFarm engine(mwindow, this, &needed_idxbls, &needed_proxies);
 322         engine.process_packages();
 323 printf("failed=%d canceled=%d\n", failed, progress->is_cancelled());
 324
 325 // stop progress bar
 326         canceled = progress->is_cancelled();
 327         progress->stop_progress();
 328         delete progress;  progress = 0;
 329
 330         if( failed && !canceled ) {
 331                 eprintf("Error making proxy.");
 332         }
 333         return !failed && !canceled ? 0 : 1;
 334 }
 335
 336
 337 ProxyWindow::ProxyWindow(MWindow *mwindow, ProxyDialog *dialog, int x, int y)
 338  : BC_Window(_(PROGRAM_NAME ": Proxy settings"), x, y, WIDTH, HEIGHT,
 339                 -1, -1, 0, 0, 1)
 340 {
 341         this->mwindow = mwindow;
 342         this->dialog = dialog;
 343         format_tools = 0;
 344 }
 345
 346 ProxyWindow::~ProxyWindow()
 347 {
 348         lock_window("ProxyWindow::~ProxyWindow");
 349         delete format_tools;
 350         unlock_window();
 351 }
 352
 353
 354 void ProxyWindow::create_objects()
 355 {
 356         lock_window("ProxyWindow::create_objects");
 357         int margin = mwindow->theme->widget_border;
 358
 359         dialog->use_scaler = mwindow->edl->session->proxy_use_scaler;
 360         dialog->orig_scale = mwindow->edl->session->proxy_scale;
 361         dialog->auto_scale = mwindow->edl->session->proxy_auto_scale;
 362         dialog->beep = mwindow->edl->session->proxy_beep;
 363         dialog->new_scale = dialog->orig_scale;
 364
 365         int x = margin;
 366         int y = margin+10;
 367         add_subwindow(use_scaler = new ProxyUseScaler(this, x, y));
 368         y += use_scaler->get_h() + margin;
 369
 370         BC_Title *text;
 371         add_subwindow(text = new BC_Title(x, y, _("Scale factor:")));
 372         x += text->get_w() + margin;
 373
 374         int popupmenu_w = BC_PopupMenu::calculate_w(get_text_width(MEDIUMFONT, dialog->size_text[0]));
 375         add_subwindow(scale_factor = new ProxyMenu(mwindow, this, x, y, popupmenu_w, ""));
 376         scale_factor->update_sizes();
 377         x += scale_factor->get_w() + margin;
 378
 379         ProxyTumbler *tumbler;
 380         add_subwindow(tumbler = new ProxyTumbler(mwindow, this, x, y));
 381         y += tumbler->get_h() + margin;
 382
 383         x = margin;
 384         add_subwindow(text = new BC_Title(x, y, _("New media dimensions: ")));
 385         x += text->get_w() + margin;
 386         add_subwindow(new_dimensions = new BC_Title(x, y, ""));
 387         y += new_dimensions->get_h() + margin;
 388
 389         x = margin;
 390         add_subwindow(text = new BC_Title(x, y, _("Active Scale: ")));
 391         x += text->get_w() + margin;
 392         add_subwindow(active_scale = new BC_Title(x, y, ""));
 393         y += active_scale->get_h() + margin;
 394
 395         x = margin;  y += 25;
 396         format_tools = new ProxyFormatTools(mwindow, this, dialog->asset);
 397         format_tools->create_objects(x, y, 0, 1, 0, 0, 0, 1, 0, 1, // skip the path
 398                 0, 0);
 399
 400         x = margin;
 401         add_subwindow(auto_scale = new ProxyAutoScale(this, x, y));
 402         y += auto_scale->get_h() + margin;
 403         add_subwindow(beep_on_done = new ProxyBeepOnDone(this, x, y));
 404         y += beep_on_done->get_h() + margin;
 405
 406         update();
 407
 408         add_subwindow(new BC_OKButton(this));
 409         add_subwindow(new BC_CancelButton(this));
 410         show_window(1);
 411         unlock_window();
 412 }
 413
 414 ProxyFormatTools::ProxyFormatTools(MWindow *mwindow, ProxyWindow *pwindow, Asset *asset)
 415  : FormatTools(mwindow, pwindow, asset)
 416 {
 417         this->pwindow = pwindow;
 418 }
 419
 420 void ProxyFormatTools::update_format()
 421 {
 422         FormatTools::update_format();
 423         pwindow->use_scaler->update();
 424 }
 425
 426 void ProxyWindow::update()
 427 {
 428         char string[BCSTRLEN];
 429         int orig_w = mwindow->edl->session->output_w * dialog->orig_scale;
 430         int orig_h = mwindow->edl->session->output_h * dialog->orig_scale;
 431         int new_w = orig_w / dialog->new_scale;
 432         if( new_w & 1 ) ++new_w;
 433         int new_h = orig_h / dialog->new_scale;
 434         if( new_h & 1 ) ++new_h;
 435         sprintf(string, "%dx%d", new_w, new_h);
 436         new_dimensions->update(string);
 437         dialog->scale_to_text(string, dialog->new_scale);
 438         scale_factor->set_text(string);
 439         use_scaler->update();
 440         auto_scale->update();
 441         int scale = mwindow->edl->session->proxy_scale;
 442         if( scale == 1 ) scale = mwindow->edl->session->proxy_disabled_scale;
 443         sprintf(string, scale>1 ? "1/%d" : "%d", scale);
 444         active_scale->update(string);
 445 }
 446
 447
 448 ProxyUseScaler::ProxyUseScaler(ProxyWindow *pwindow, int x, int y)
 449  : BC_CheckBox(x, y, pwindow->dialog->use_scaler, _("Use scaler   (FFMPEG only)"))
 450 {
 451         this->pwindow = pwindow;
 452 }
 453
 454 void ProxyUseScaler::update()
 455 {
 456         ProxyDialog *dialog = pwindow->dialog;
 457         if( dialog->asset->format != FILE_FFMPEG ) dialog->use_scaler = 0;
 458         BC_CheckBox::update(dialog->use_scaler);
 459         int scaler_avail = dialog->asset->format == FILE_FFMPEG ? 1 : 0;
 460         if( !scaler_avail &&  enabled ) disable();
 461         if( scaler_avail  && !enabled ) enable();
 462 }
 463
 464 int ProxyUseScaler::handle_event()
 465 {
 466         pwindow->dialog->use_scaler = get_value();
 467         pwindow->scale_factor->update_sizes();
 468         pwindow->update();
 469         return 1;
 470 }
 471
 472 ProxyAutoScale::ProxyAutoScale(ProxyWindow *pwindow, int x, int y)
 473  : BC_CheckBox(x, y, pwindow->dialog->auto_scale, _("Auto proxy/scale media loads"))
 474 {
 475         this->pwindow = pwindow;
 476 }
 477
 478 void ProxyAutoScale::update()
 479 {
 480         ProxyDialog *dialog = pwindow->dialog;
 481         if( dialog->new_scale == 1 ) dialog->auto_scale = 0;
 482         BC_CheckBox::update(dialog->auto_scale);
 483         int can_auto_proxy = dialog->new_scale != 1 ? 1 : 0;
 484         if( !can_auto_proxy &&  enabled ) disable();
 485         if( can_auto_proxy  && !enabled ) enable();
 486 }
 487
 488 int ProxyAutoScale::handle_event()
 489 {
 490         pwindow->dialog->auto_scale = get_value();
 491         pwindow->update();
 492         return 1;
 493 }
 494
 495 ProxyBeepOnDone::ProxyBeepOnDone(ProxyWindow *pwindow, int x, int y)
 496  : BC_CheckBox(x, y, pwindow->dialog->beep, _("Beep on done"))
 497 {
 498         this->pwindow = pwindow;
 499 }
 500
 501 int ProxyBeepOnDone::handle_event()
 502 {
 503         pwindow->dialog->beep = get_value();
 504         pwindow->update();
 505         return 1;
 506 }
 507
 508
 509 ProxyMenu::ProxyMenu(MWindow *mwindow, ProxyWindow *pwindow,
 510                 int x, int y, int w, const char *text)
 511  : BC_PopupMenu(x, y, w, text, 1)
 512 {
 513         this->mwindow = mwindow;
 514         this->pwindow = pwindow;
 515 }
 516
 517 void ProxyMenu::update_sizes()
 518 {
 519         while( total_items() > 0 ) del_item(0);
 520         ProxyDialog *dialog = pwindow->dialog;
 521         dialog->calculate_sizes();
 522         for( int i=0; i < dialog->total_sizes; i++ )
 523                 add_item(new BC_MenuItem(dialog->size_text[i]));
 524 }
 525
 526 int ProxyMenu::handle_event()
 527 {
 528         ProxyDialog *dialog = pwindow->dialog;
 529         for( int i = 0; i < dialog->total_sizes; i++ ) {
 530                 if( !strcmp(get_text(), pwindow->dialog->size_text[i]) ) {
 531                         dialog->new_scale = pwindow->dialog->size_factors[i];
 532                         if( dialog->new_scale == 1 ) dialog->use_scaler = 0;
 533                         pwindow->update();
 534                         break;
 535                 }
 536         }
 537         return 1;
 538 }
 539
 540
 541 ProxyTumbler::ProxyTumbler(MWindow *mwindow, ProxyWindow *pwindow, int x, int y)
 542  : BC_Tumbler(x, y, 0)
 543 {
 544         this->mwindow = mwindow;
 545         this->pwindow = pwindow;
 546 }
 547
 548 int ProxyTumbler::handle_up_event()
 549 {
 550         if( pwindow->dialog->new_scale > 1 ) {
 551                 int i;
 552                 for( i = 0; i < pwindow->dialog->total_sizes; i++ ) {
 553                         if( pwindow->dialog->new_scale == pwindow->dialog->size_factors[i] ) {
 554                                 i--;
 555                                 pwindow->dialog->new_scale = pwindow->dialog->size_factors[i];
 556                                 pwindow->update();
 557                                 return 1;
 558                         }
 559                 }
 560         }
 561
 562         return 0;
 563 }
 564
 565 int ProxyTumbler::handle_down_event()
 566 {
 567         int i;
 568         for( i = 0; i < pwindow->dialog->total_sizes - 1; i++ ) {
 569                 if( pwindow->dialog->new_scale == pwindow->dialog->size_factors[i] ) {
 570                         i++;
 571                         pwindow->dialog->new_scale = pwindow->dialog->size_factors[i];
 572                         pwindow->update();
 573                         return 1;
 574                 }
 575         }
 576
 577         return 0;
 578 }
 579
 580
 581
 582 ProxyPackage::ProxyPackage()
 583  : LoadPackage()
 584 {
 585 }
 586
 587 ProxyClient::ProxyClient(MWindow *mwindow,
 588                 ProxyRender *proxy_render, ProxyFarm *server)
 589  : LoadClient(server)
 590 {
 591         this->mwindow = mwindow;
 592         this->proxy_render = proxy_render;
 593         render_engine = 0;
 594         video_cache = 0;
 595         src_file = 0;
 596 }
 597 ProxyClient::~ProxyClient()
 598 {
 599         delete render_engine;
 600         delete video_cache;
 601         delete src_file;
 602 }
 603
 604 void ProxyClient::process_package(LoadPackage *ptr)
 605 {
 606         if( proxy_render->failed ) return;
 607         if( proxy_render->is_canceled() ) return;
 608
 609         EDL *edl = mwindow->edl;
 610         Preferences *preferences = mwindow->preferences;
 611         ProxyPackage *package = (ProxyPackage*)ptr;
 612         Indexable *orig = package->orig_idxbl;
 613         Asset *proxy = package->proxy_asset;
 614 //printf("%s %s\n", orig->path, proxy->path);
 615         VRender *vrender = 0;
 616         int jobs = proxy_render->needed_proxies.size();
 617         int processors = preferences->project_smp / jobs + 1, result = 0;
 618
 619         if( orig->is_asset ) {
 620                 src_file = new File;
 621                 src_file->set_processors(processors);
 622                 src_file->set_preload(edl->session->playback_preload);
 623                 src_file->set_subtitle(edl->session->decode_subtitles ?
 624                         edl->session->subtitle_number : -1);
 625                 src_file->set_interpolate_raw(edl->session->interpolate_raw);
 626                 src_file->set_white_balance_raw(edl->session->white_balance_raw);
 627                 if( src_file->open_file(preferences, (Asset*)orig, 1, 0) != FILE_OK )
 628                         result = 1;
 629         }
 630         else {
 631                 TransportCommand command;
 632                 command.command = CURRENT_FRAME;
 633                 command.get_edl()->copy_all((EDL *)orig);
 634                 command.change_type = CHANGE_ALL;
 635                 command.realtime = 0;
 636                 render_engine = new RenderEngine(0, preferences, 0, 0);
 637                 render_engine->set_vcache(video_cache = new CICache(preferences));
 638                 render_engine->arm_command(&command);
 639                 if( !(vrender = render_engine->vrender) )
 640                         result = 1;
 641         }
 642         if( result ) {
 643 // go to the next asset if the reader fails
 644 //              proxy_render->failed = 1;
 645                 return;
 646         }
 647
 648         File dst_file;
 649         dst_file.set_processors(processors);
 650         result = dst_file.open_file(preferences, proxy, 0, 1);
 651         if( result ) {
 652                 proxy_render->failed = 1;
 653                 return;
 654         }
 655
 656         dst_file.start_video_thread(1, edl->session->color_model,
 657                         processors > 1 ? 2 : 1, 0);
 658
 659         int src_w = orig->get_w(), src_h = orig->get_h();
 660         VFrame src_frame(src_w,src_h, edl->session->color_model);
 661
 662         OverlayFrame scaler(processors);
 663
 664         for( int64_t i=0, length=orig->get_video_frames(); i<length &&
 665              !proxy_render->failed && !proxy_render->is_canceled(); ++i ) {
 666                 if( orig->is_asset ) {
 667                         src_file->set_video_position(i, 0);
 668                         result = src_file->read_frame(&src_frame);
 669                 }
 670                 else
 671                         result = vrender->process_buffer(&src_frame, i, 0);
 672 //printf("result=%d\n", result);
 673
 674                 if( result ) {
 675 // go to the next asset if the reader fails
 676 //                      proxy_render->failed = 1;
 677                         break;
 678                 }
 679
 680 // have to write after getting the video buffer or it locks up
 681                 VFrame ***dst_frames = dst_file.get_video_buffer();
 682                 VFrame *dst_frame = dst_frames[0][0];
 683                 int dst_w = dst_frame->get_w(), dst_h = dst_frame->get_h();
 684                 scaler.overlay(dst_frame, &src_frame,
 685                         0,0, src_w,src_h, 0,0, dst_w,dst_h,
 686                         1.0, TRANSFER_REPLACE, NEAREST_NEIGHBOR);
 687                 result = dst_file.write_video_buffer(1);
 688                 if( result ) {
 689 // only fail if the writer fails
 690                         proxy_render->failed = 1;
 691                         break;
 692                 }
 693                 proxy_render->update_progress();
 694         }
 695         if( !proxy_render->failed && !proxy_render->is_canceled() ) {
 696                 Asset *asset = mwindow->edl->assets->update(proxy);
 697                 mwindow->mainindexes->add_next_asset(0, asset);
 698                 mwindow->mainindexes->start_build();
 699         }
 700 }
 701
 702
 703 ProxyFarm::ProxyFarm(MWindow *mwindow, ProxyRender *proxy_render,
 704                 ArrayList<Indexable*> *orig_idxbls,
 705                 ArrayList<Asset*> *proxy_assets)
 706  : LoadServer(MIN(mwindow->preferences->processors, proxy_assets->size()),
 707         proxy_assets->size())
 708 {
 709         this->mwindow = mwindow;
 710         this->proxy_render = proxy_render;
 711         this->orig_idxbls = orig_idxbls;
 712         this->proxy_assets = proxy_assets;
 713 }
 714
 715 void ProxyFarm::init_packages()
 716 {
 717         for( int i = 0; i < get_total_packages(); i++ ) {
 718                 ProxyPackage *package = (ProxyPackage*)get_package(i);
 719                 package->proxy_asset = proxy_assets->get(i);
 720                 package->orig_idxbl = orig_idxbls->get(i);
 721         }
 722 }
 723
 724 LoadClient* ProxyFarm::new_client()
 725 {
 726         return new ProxyClient(mwindow, proxy_render, this);
 727 }
 728
 729 LoadPackage* ProxyFarm::new_package()
 730 {
 731         return new ProxyPackage;
 732 }
 733
 734
 735 ProxyBeep::ProxyBeep(MWindow *mwindow)
 736  : Thread(1, 0, 0)
 737 {
 738         this->mwindow = mwindow;
 739         audio = new AudioDevice(mwindow);
 740         playing_audio = 0;
 741         interrupted = -1;
 742 }
 743
 744 ProxyBeep::~ProxyBeep()
 745 {
 746         stop(0);
 747         delete audio;
 748 }
 749
 750 void ProxyBeep::run()
 751 {
 752         int channels = 2;
 753         int64_t bfrsz = BEEP_SAMPLE_RATE;
 754         EDL *edl = mwindow->edl;
 755         EDLSession *session = edl->session;
 756         AudioOutConfig *aconfig = session->playback_config->aconfig;
 757         audio->open_output(aconfig, BEEP_SAMPLE_RATE, bfrsz, channels, 0);
 758         audio->start_playback();
 759
 760         double out0[bfrsz], out1[bfrsz], *out[2] = { out0, out1 };
 761         const double two_pi = 2*M_PI;
 762         int64_t audio_len = BEEP_SAMPLE_RATE * secs;
 763         const double dt = two_pi * freq/BEEP_SAMPLE_RATE;
 764         double th = 0;
 765
 766         audio_pos = 0;
 767         playing_audio = 1;
 768         while( !interrupted ) {
 769                 int len = audio_len - audio_pos;
 770                 if( len <= 0 ) break;
 771                 if( len > bfrsz ) len = bfrsz;
 772                 int k = audio_pos;
 773                 for( int i=0; i<len; ++i,++k,th+=dt ) {
 774                         double t = th - two_pi;
 775                         if( t >= 0 ) th = t;
 776                         out0[i] = out1[i] = sin(th) * gain;
 777                 }
 778                 audio->write_buffer(out, channels, len);
 779                 audio_pos = k;
 780         }
 781
 782         if( !interrupted )
 783                 audio->set_last_buffer();
 784         audio->stop_audio(interrupted ? 0 : 1);
 785         playing_audio = 0;
 786
 787         audio->close_all();
 788 }
 789
 790 void ProxyBeep::start()
 791 {
 792         if( running() ) return;
 793         audio_pos = -1;
 794         interrupted = 0;
 795         Thread::start();
 796 }
 797
 798 void ProxyBeep::stop(int wait)
 799 {
 800         if( running() && !interrupted ) {
 801                 interrupted = 1;
 802                 audio->stop_audio(wait);
 803         }
 804         Thread::join();
 805 }
 806
 807 void ProxyBeep::tone(double freq, double secs, double gain)
 808 {
 809         stop(0);
 810         this->freq = freq;
 811         this->secs = secs;
 812         this->gain = gain;
 813         start();
 814 }
 815