cinelerra-5.0/cinelerra/preferences.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "asset.h"
  23 #include "audioconfig.h"
  24 #include "audiodevice.inc"
  25 #include "bcmeter.inc"
  26 #include "bcsignals.h"
  27 #include "cache.inc"
  28 #include "clip.h"
  29 #include "bchash.h"
  30 #include "file.inc"
  31 #include "filesystem.h"
  32 #include "guicast.h"
  33 #include "indexfile.h"
  34 #include "mutex.h"
  35 #include "preferences.h"
  36 #include "theme.h"
  37 #include "videoconfig.h"
  38 #include "videodevice.inc"
  39
  40 #include <string.h>
  41 #include <unistd.h>
  42 #include <sys/types.h>
  43 #include <sys/stat.h>
  44
  45
  46 //#define CLAMP(x, y, z) (x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x)))
  47
  48
  49
  50
  51
  52
  53 extern void get_exe_path(char *result);
  54
  55
  56
  57
  58
  59 Preferences::Preferences()
  60 {
  61 // Set defaults
  62         FileSystem fs;
  63
  64         preferences_lock = new Mutex("Preferences::preferences_lock");
  65
  66
  67
  68         get_exe_path(plugin_dir);
  69         strcat(plugin_dir,"/plugins");
  70
  71         sprintf(index_directory, BCASTDIR);
  72         if(strlen(index_directory))
  73                 fs.complete_path(index_directory);
  74         cache_size = 0xa00000;
  75         index_size = 0x300000;
  76         index_count = 100;
  77         use_thumbnails = 1;
  78         trap_sigsegv = 0;
  79         trap_sigintr = 0;
  80         theme[0] = 0;
  81         use_renderfarm = 0;
  82         force_uniprocessor = 0;
  83         renderfarm_port = DEAMON_PORT;
  84         render_preroll = 0.5;
  85         brender_preroll = 0;
  86         renderfarm_mountpoint[0] = 0;
  87         renderfarm_vfs = 0;
  88         renderfarm_job_count = 20;
  89         processors = calculate_processors(0);
  90         real_processors = calculate_processors(1);
  91         file_forking = 1;
  92         ffmpeg_early_probe = 0;
  93         warn_indecies = 1;
  94
  95 // Default brender asset
  96         brender_asset = new Asset;
  97         brender_asset->audio_data = 0;
  98         brender_asset->video_data = 1;
  99         sprintf(brender_asset->path, "/tmp/brender");
 100         brender_asset->format = FILE_JPEG_LIST;
 101         brender_asset->jpeg_quality = 80;
 102
 103         use_brender = 0;
 104         brender_fragment = 1;
 105         local_rate = 0.0;
 106
 107         use_tipwindow = 1;
 108         scan_commercials = 0;
 109
 110         android_remote = 0;
 111         android_port = 23432;
 112         strcpy(android_pin, "cinelerra");
 113
 114         for(int i = 0; i < MAXCHANNELS; i++)
 115         {
 116                 for(int j = 0; j < i + 1; j++)
 117                 {
 118                         int position = 180 - (360 * j / (i + 1));
 119                         while(position < 0) position += 360;
 120                         channel_positions[i * MAXCHANNELS + j] = position;
 121                 }
 122         }
 123 }
 124
 125 Preferences::~Preferences()
 126 {
 127         brender_asset->Garbage::remove_user();
 128         delete preferences_lock;
 129 }
 130
 131 void Preferences::copy_rates_from(Preferences *preferences)
 132 {
 133         preferences_lock->lock("Preferences::copy_rates_from");
 134 // Need to match node titles in case the order changed and in case
 135 // one of the nodes in the source is the master node.
 136         local_rate = preferences->local_rate;
 137
 138         for(int j = 0;
 139                 j < preferences->renderfarm_nodes.total;
 140                 j++)
 141         {
 142                 double new_rate = preferences->renderfarm_rate.values[j];
 143 // Put in the master node
 144                 if(preferences->renderfarm_nodes.values[j][0] == '/')
 145                 {
 146                         if(!EQUIV(new_rate, 0.0))
 147                                 local_rate = new_rate;
 148                 }
 149                 else
 150 // Search for local node and copy it to that node
 151                 if(!EQUIV(new_rate, 0.0))
 152                 {
 153                         for(int i = 0; i < renderfarm_nodes.total; i++)
 154                         {
 155                                 if(!strcmp(preferences->renderfarm_nodes.values[j], renderfarm_nodes.values[i]) &&
 156                                         preferences->renderfarm_ports.values[j] == renderfarm_ports.values[i])
 157                                 {
 158                                         renderfarm_rate.values[i] = new_rate;
 159                                         break;
 160                                 }
 161                         }
 162                 }
 163         }
 164
 165 //printf("Preferences::copy_rates_from 1 %f %f\n", local_rate, preferences->local_rate);
 166         preferences_lock->unlock();
 167 }
 168
 169 void Preferences::copy_from(Preferences *that)
 170 {
 171 // ================================= Performance ================================
 172         strcpy(index_directory, that->index_directory);
 173         index_size = that->index_size;
 174         index_count = that->index_count;
 175         use_thumbnails = that->use_thumbnails;
 176         strcpy(theme, that->theme);
 177
 178         use_tipwindow = that->use_tipwindow;
 179         scan_commercials = that->scan_commercials;
 180         android_remote = that->android_remote;
 181         android_port = that->android_port;
 182         strcpy(android_pin, that->android_pin);
 183         cache_size = that->cache_size;
 184         force_uniprocessor = that->force_uniprocessor;
 185         trap_sigsegv = that->trap_sigsegv;
 186         trap_sigintr = that->trap_sigintr;
 187         processors = that->processors;
 188         real_processors = that->real_processors;
 189         file_forking = that->file_forking;
 190         ffmpeg_early_probe = that->ffmpeg_early_probe;
 191         warn_indecies = that->warn_indecies;
 192         renderfarm_nodes.remove_all_objects();
 193         renderfarm_ports.remove_all();
 194         renderfarm_enabled.remove_all();
 195         renderfarm_rate.remove_all();
 196         local_rate = that->local_rate;
 197         for(int i = 0; i < that->renderfarm_nodes.size(); i++)
 198         {
 199                 add_node(that->renderfarm_nodes.get(i),
 200                         that->renderfarm_ports.get(i),
 201                         that->renderfarm_enabled.get(i),
 202                         that->renderfarm_rate.get(i));
 203         }
 204         use_renderfarm = that->use_renderfarm;
 205         renderfarm_port = that->renderfarm_port;
 206         render_preroll = that->render_preroll;
 207         brender_preroll = that->brender_preroll;
 208         renderfarm_job_count = that->renderfarm_job_count;
 209         renderfarm_vfs = that->renderfarm_vfs;
 210         strcpy(renderfarm_mountpoint, that->renderfarm_mountpoint);
 211         renderfarm_consolidate = that->renderfarm_consolidate;
 212         use_brender = that->use_brender;
 213         brender_fragment = that->brender_fragment;
 214         brender_asset->copy_from(that->brender_asset, 0);
 215
 216 // Check boundaries
 217
 218         FileSystem fs;
 219         if(strlen(index_directory))
 220         {
 221                 fs.complete_path(index_directory);
 222                 fs.add_end_slash(index_directory);
 223         }
 224
 225 //      if(strlen(global_plugin_dir))
 226 //      {
 227 //              fs.complete_path(global_plugin_dir);
 228 //              fs.add_end_slash(global_plugin_dir);
 229 //      }
 230 //
 231
 232 // Redo with the proper value of force_uniprocessor
 233         processors = calculate_processors(0);
 234         boundaries();
 235 }
 236
 237 void Preferences::boundaries()
 238 {
 239         renderfarm_job_count = MAX(renderfarm_job_count, 1);
 240         CLAMP(cache_size, MIN_CACHE_SIZE, MAX_CACHE_SIZE);
 241 }
 242
 243 Preferences& Preferences::operator=(Preferences &that)
 244 {
 245 printf("Preferences::operator=\n");
 246         copy_from(&that);
 247         return *this;
 248 }
 249
 250 void Preferences::print_channels(char *string,
 251         int *channel_positions,
 252         int channels)
 253 {
 254         char string3[BCTEXTLEN];
 255         string[0] = 0;
 256         for(int j = 0; j < channels; j++)
 257         {
 258                 sprintf(string3, "%d", channel_positions[j]);
 259                 strcat(string, string3);
 260                 if(j < channels - 1)
 261                         strcat(string, ",");
 262         }
 263 }
 264
 265 void Preferences::scan_channels(char *string,
 266         int *channel_positions,
 267         int channels)
 268 {
 269         char string2[BCTEXTLEN];
 270         int len = strlen(string);
 271         int current_channel = 0;
 272         for(int i = 0; i < len; i++)
 273         {
 274                 strcpy(string2, &string[i]);
 275                 for(int j = 0; j < BCTEXTLEN; j++)
 276                 {
 277                         if(string2[j] == ',' || string2[j] == 0)
 278                         {
 279                                 i += j;
 280                                 string2[j] = 0;
 281                                 break;
 282                         }
 283                 }
 284                 channel_positions[current_channel++] = atoi(string2);
 285                 if(current_channel >= channels) break;
 286         }
 287 }
 288
 289 int Preferences::load_defaults(BC_Hash *defaults)
 290 {
 291         char string[BCTEXTLEN];
 292
 293         use_tipwindow = defaults->get("USE_TIPWINDOW", use_tipwindow);
 294         scan_commercials = defaults->get("SCAN_COMMERCIALS", scan_commercials);
 295         android_remote = defaults->get("ANDROID_REMOTE", android_remote);
 296         android_port = defaults->get("ANDROID_PORT", android_port);
 297         defaults->get("ANDROID_PIN", android_pin);
 298         defaults->get("INDEX_DIRECTORY", index_directory);
 299         index_size = defaults->get("INDEX_SIZE", index_size);
 300         index_count = defaults->get("INDEX_COUNT", index_count);
 301         use_thumbnails = defaults->get("USE_THUMBNAILS", use_thumbnails);
 302         trap_sigsegv = defaults->get("TRAP_SIGSEGV", trap_sigsegv);
 303         trap_sigintr = defaults->get("TRAP_SIGINTR", trap_sigintr);
 304
 305 //      sprintf(global_plugin_dir, PLUGIN_DIR);
 306 //      defaults->get("GLOBAL_PLUGIN_DIR", global_plugin_dir);
 307 //      if(getenv("GLOBAL_PLUGIN_DIR"))
 308 //      {
 309 //              strcpy(global_plugin_dir, getenv("GLOBAL_PLUGIN_DIR"));
 310 //      }
 311
 312         strcpy(theme, DEFAULT_THEME);
 313         defaults->get("THEME", theme);
 314
 315         for(int i = 0; i < MAXCHANNELS; i++)
 316         {
 317                 char string2[BCTEXTLEN];
 318                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 319                 print_channels(string2,
 320                         &channel_positions[i * MAXCHANNELS],
 321                         i + 1);
 322
 323                 defaults->get(string, string2);
 324
 325                 scan_channels(string2,
 326                         &channel_positions[i * MAXCHANNELS],
 327                         i + 1);
 328         }
 329
 330         brender_asset->load_defaults(defaults,
 331                 "BRENDER_",
 332                 1,
 333                 1,
 334                 1,
 335                 0,
 336                 0);
 337
 338
 339
 340         force_uniprocessor = defaults->get("FORCE_UNIPROCESSOR", 0);
 341         file_forking = defaults->get("FILE_FORKING", 1);
 342         ffmpeg_early_probe = defaults->get("FFMPEG_EARLY_PROBE", 0);
 343         warn_indecies = defaults->get("WARN_INDECIES", 1);
 344         use_brender = defaults->get("USE_BRENDER", use_brender);
 345         brender_fragment = defaults->get("BRENDER_FRAGMENT", brender_fragment);
 346         cache_size = defaults->get("CACHE_SIZE", cache_size);
 347         local_rate = defaults->get("LOCAL_RATE", local_rate);
 348         use_renderfarm = defaults->get("USE_RENDERFARM", use_renderfarm);
 349         renderfarm_port = defaults->get("RENDERFARM_PORT", renderfarm_port);
 350         render_preroll = defaults->get("RENDERFARM_PREROLL", render_preroll);
 351         brender_preroll = defaults->get("BRENDER_PREROLL", brender_preroll);
 352         renderfarm_job_count = defaults->get("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
 353         renderfarm_consolidate = defaults->get("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
 354 //      renderfarm_vfs = defaults->get("RENDERFARM_VFS", renderfarm_vfs);
 355         defaults->get("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
 356         int renderfarm_total = defaults->get("RENDERFARM_TOTAL", 0);
 357
 358         for(int i = 0; i < renderfarm_total; i++)
 359         {
 360                 sprintf(string, "RENDERFARM_NODE%d", i);
 361                 char result[BCTEXTLEN];
 362                 int result_port = 0;
 363                 int result_enabled = 0;
 364                 float result_rate = 0.0;
 365
 366                 result[0] = 0;
 367                 defaults->get(string, result);
 368
 369                 sprintf(string, "RENDERFARM_PORT%d", i);
 370                 result_port = defaults->get(string, renderfarm_port);
 371
 372                 sprintf(string, "RENDERFARM_ENABLED%d", i);
 373                 result_enabled = defaults->get(string, result_enabled);
 374
 375                 sprintf(string, "RENDERFARM_RATE%d", i);
 376                 result_rate = defaults->get(string, result_rate);
 377
 378                 if(result[0] != 0)
 379                 {
 380                         add_node(result, result_port, result_enabled, result_rate);
 381                 }
 382         }
 383
 384 // Redo with the proper value of force_uniprocessor
 385         processors = calculate_processors(0);
 386         boundaries();
 387         return 0;
 388 }
 389
 390 int Preferences::save_defaults(BC_Hash *defaults)
 391 {
 392         char string[BCTEXTLEN];
 393
 394
 395         defaults->update("USE_TIPWINDOW", use_tipwindow);
 396         defaults->update("SCAN_COMMERCIALS", scan_commercials);
 397         defaults->update("ANDROID_REMOTE", android_remote);
 398         defaults->update("ANDROID_PIN", android_pin);
 399         defaults->update("ANDROID_PORT", android_port);
 400
 401         defaults->update("CACHE_SIZE", cache_size);
 402         defaults->update("INDEX_DIRECTORY", index_directory);
 403         defaults->update("INDEX_SIZE", index_size);
 404         defaults->update("INDEX_COUNT", index_count);
 405         defaults->update("USE_THUMBNAILS", use_thumbnails);
 406         defaults->update("TRAP_SIGSEGV", trap_sigsegv);
 407         defaults->update("TRAP_SIGINTR", trap_sigintr);
 408 //      defaults->update("GLOBAL_PLUGIN_DIR", global_plugin_dir);
 409         defaults->update("THEME", theme);
 410
 411
 412         for(int i = 0; i < MAXCHANNELS; i++)
 413         {
 414                 char string2[BCTEXTLEN];
 415                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 416                 print_channels(string2, &channel_positions[i * MAXCHANNELS], i + 1);
 417                 defaults->update(string, string2);
 418         }
 419
 420         defaults->update("FORCE_UNIPROCESSOR", force_uniprocessor);
 421         defaults->update("FILE_FORKING", file_forking);
 422         defaults->update("FFMPEG_EARLY_PROBE", ffmpeg_early_probe);
 423         defaults->update("WARN_INDECIES", warn_indecies);
 424         brender_asset->save_defaults(defaults,
 425                 "BRENDER_",
 426                 1,
 427                 1,
 428                 1,
 429                 0,
 430                 0);
 431         defaults->update("USE_BRENDER", use_brender);
 432         defaults->update("BRENDER_FRAGMENT", brender_fragment);
 433         defaults->update("USE_RENDERFARM", use_renderfarm);
 434         defaults->update("LOCAL_RATE", local_rate);
 435         defaults->update("RENDERFARM_PORT", renderfarm_port);
 436         defaults->update("RENDERFARM_PREROLL", render_preroll);
 437         defaults->update("BRENDER_PREROLL", brender_preroll);
 438 //      defaults->update("RENDERFARM_VFS", renderfarm_vfs);
 439         defaults->update("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
 440         defaults->update("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
 441         defaults->update("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
 442         defaults->update("RENDERFARM_TOTAL", (int64_t)renderfarm_nodes.total);
 443         for(int i = 0; i < renderfarm_nodes.total; i++)
 444         {
 445                 sprintf(string, "RENDERFARM_NODE%d", i);
 446                 defaults->update(string, renderfarm_nodes.values[i]);
 447                 sprintf(string, "RENDERFARM_PORT%d", i);
 448                 defaults->update(string, renderfarm_ports.values[i]);
 449                 sprintf(string, "RENDERFARM_ENABLED%d", i);
 450                 defaults->update(string, renderfarm_enabled.values[i]);
 451                 sprintf(string, "RENDERFARM_RATE%d", i);
 452                 defaults->update(string, renderfarm_rate.values[i]);
 453         }
 454         return 0;
 455 }
 456
 457
 458 void Preferences::add_node(const char *text, int port, int enabled, float rate)
 459 {
 460         if(text[0] == 0) return;
 461
 462         preferences_lock->lock("Preferences::add_node");
 463         char *new_item = new char[strlen(text) + 1];
 464         strcpy(new_item, text);
 465         renderfarm_nodes.append(new_item);
 466         renderfarm_ports.append(port);
 467         renderfarm_enabled.append(enabled);
 468         renderfarm_rate.append(rate);
 469         preferences_lock->unlock();
 470 }
 471
 472 void Preferences::delete_node(int number)
 473 {
 474         preferences_lock->lock("Preferences::delete_node");
 475         if(number < renderfarm_nodes.total && number >= 0)
 476         {
 477                 delete [] renderfarm_nodes.values[number];
 478                 renderfarm_nodes.remove_number(number);
 479                 renderfarm_ports.remove_number(number);
 480                 renderfarm_enabled.remove_number(number);
 481                 renderfarm_rate.remove_number(number);
 482         }
 483         preferences_lock->unlock();
 484 }
 485
 486 void Preferences::delete_nodes()
 487 {
 488         preferences_lock->lock("Preferences::delete_nodes");
 489         for(int i = 0; i < renderfarm_nodes.total; i++)
 490                 delete [] renderfarm_nodes.values[i];
 491         renderfarm_nodes.remove_all();
 492         renderfarm_ports.remove_all();
 493         renderfarm_enabled.remove_all();
 494         renderfarm_rate.remove_all();
 495         preferences_lock->unlock();
 496 }
 497
 498 void Preferences::reset_rates()
 499 {
 500         for(int i = 0; i < renderfarm_nodes.total; i++)
 501         {
 502                 renderfarm_rate.values[i] = 0.0;
 503         }
 504         local_rate = 0.0;
 505 }
 506
 507 float Preferences::get_rate(int node)
 508 {
 509         if(node < 0)
 510         {
 511                 return local_rate;
 512         }
 513         else
 514         {
 515                 int total = 0;
 516                 for(int i = 0; i < renderfarm_nodes.size(); i++)
 517                 {
 518                         if(renderfarm_enabled.get(i)) total++;
 519                         if(total == node + 1)
 520                         {
 521                                 return renderfarm_rate.get(i);
 522                         }
 523                 }
 524         }
 525
 526         return 0;
 527 }
 528
 529 void Preferences::set_rate(float rate, int node)
 530 {
 531 //printf("Preferences::set_rate %f %d\n", rate, node);
 532         if(node < 0)
 533         {
 534                 local_rate = rate;
 535         }
 536         else
 537         {
 538                 int total = 0;
 539                 for(int i = 0; i < renderfarm_nodes.size(); i++)
 540                 {
 541                         if(renderfarm_enabled.get(i)) total++;
 542                         if(total == node + 1)
 543                         {
 544                                 renderfarm_rate.set(i, rate);
 545                                 return;
 546                         }
 547                 }
 548         }
 549 }
 550
 551 float Preferences::get_avg_rate(int use_master_node)
 552 {
 553         preferences_lock->lock("Preferences::get_avg_rate");
 554         float total = 0.0;
 555         if(renderfarm_rate.total)
 556         {
 557                 int enabled = 0;
 558                 if(use_master_node)
 559                 {
 560                         if(EQUIV(local_rate, 0.0))
 561                         {
 562                                 preferences_lock->unlock();
 563                                 return 0.0;
 564                         }
 565                         else
 566                         {
 567                                 enabled++;
 568                                 total += local_rate;
 569                         }
 570                 }
 571
 572                 for(int i = 0; i < renderfarm_rate.total; i++)
 573                 {
 574                         if(renderfarm_enabled.values[i])
 575                         {
 576                                 enabled++;
 577                                 total += renderfarm_rate.values[i];
 578                                 if(EQUIV(renderfarm_rate.values[i], 0.0))
 579                                 {
 580                                         preferences_lock->unlock();
 581                                         return 0.0;
 582                                 }
 583                         }
 584                 }
 585
 586                 if(enabled)
 587                         total /= enabled;
 588                 else
 589                         total = 0.0;
 590         }
 591         preferences_lock->unlock();
 592
 593         return total;
 594 }
 595
 596 void Preferences::sort_nodes()
 597 {
 598         int done = 0;
 599
 600         while(!done)
 601         {
 602                 done = 1;
 603                 for(int i = 0; i < renderfarm_nodes.total - 1; i++)
 604                 {
 605                         if(strcmp(renderfarm_nodes.values[i], renderfarm_nodes.values[i + 1]) > 0)
 606                         {
 607                                 char *temp = renderfarm_nodes.values[i];
 608                                 int temp_port = renderfarm_ports.values[i];
 609
 610                                 renderfarm_nodes.values[i] = renderfarm_nodes.values[i + 1];
 611                                 renderfarm_nodes.values[i + 1] = temp;
 612
 613                                 renderfarm_ports.values[i] = renderfarm_ports.values[i + 1];
 614                                 renderfarm_ports.values[i + 1] = temp_port;
 615
 616                                 renderfarm_enabled.values[i] = renderfarm_enabled.values[i + 1];
 617                                 renderfarm_enabled.values[i + 1] = temp_port;
 618
 619                                 renderfarm_rate.values[i] = renderfarm_rate.values[i + 1];
 620                                 renderfarm_rate.values[i + 1] = temp_port;
 621                                 done = 0;
 622                         }
 623                 }
 624         }
 625 }
 626
 627 void Preferences::edit_node(int number,
 628         const char *new_text,
 629         int new_port,
 630         int new_enabled)
 631 {
 632         char *new_item = new char[strlen(new_text) + 1];
 633         strcpy(new_item, new_text);
 634
 635         delete [] renderfarm_nodes.values[number];
 636         renderfarm_nodes.values[number] = new_item;
 637         renderfarm_ports.values[number] = new_port;
 638         renderfarm_enabled.values[number] = new_enabled;
 639 }
 640
 641 int Preferences::get_enabled_nodes()
 642 {
 643         int result = 0;
 644         for(int i = 0; i < renderfarm_enabled.total; i++)
 645                 if(renderfarm_enabled.values[i]) result++;
 646         return result;
 647 }
 648
 649 const char* Preferences::get_node_hostname(int number)
 650 {
 651         int total = 0;
 652         for(int i = 0; i < renderfarm_nodes.total; i++)
 653         {
 654                 if(renderfarm_enabled.values[i])
 655                 {
 656                         if(total == number)
 657                                 return renderfarm_nodes.values[i];
 658                         else
 659                                 total++;
 660                 }
 661         }
 662         return "";
 663 }
 664
 665 int Preferences::get_node_port(int number)
 666 {
 667         int total = 0;
 668         for(int i = 0; i < renderfarm_ports.total; i++)
 669         {
 670                 if(renderfarm_enabled.values[i])
 671                 {
 672                         if(total == number)
 673                                 return renderfarm_ports.values[i];
 674                         else
 675                                 total++;
 676                 }
 677         }
 678         return -1;
 679 }
 680
 681 int Preferences::get_asset_file_path(Asset *asset, char *path)
 682 {
 683         strcpy(path, asset->path);
 684         int result = access(path, R_OK);
 685         if( !result && asset->format == FILE_MPEG ) {
 686                 char source_filename[BCTEXTLEN];
 687                 char index_filename[BCTEXTLEN];
 688                 IndexFile::get_index_filename(source_filename,
 689                         index_directory, index_filename,
 690                         asset->path, ".toc");
 691                 struct stat st;
 692                 if( !access(index_filename, R_OK) &&
 693                     !stat(index_filename,&st) && st.st_size > 0 )
 694                 strcpy(path, index_filename);
 695         }
 696         return result;
 697 }
 698
 699
 700 int Preferences::calculate_processors(int interactive)
 701 {
 702         if(force_uniprocessor && !interactive) return 1;
 703         return BC_WindowBase::get_resources()->machine_cpus;
 704 }
 705