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 "shbtnprefs.h"
  37 #include "theme.h"
  38 #include "videoconfig.h"
  39 #include "videodevice.inc"
  40
  41 #include <string.h>
  42 #include <unistd.h>
  43 #include <sys/types.h>
  44 #include <sys/stat.h>
  45
  46
  47 //#define CLAMP(x, y, z) (x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x)))
  48
  49
  50
  51
  52
  53
  54 extern void get_exe_path(char *result);
  55
  56
  57
  58
  59
  60 Preferences::Preferences()
  61 {
  62 // Set defaults
  63         FileSystem fs;
  64
  65         preferences_lock = new Mutex("Preferences::preferences_lock");
  66
  67
  68
  69         get_exe_path(plugin_dir);
  70         strcat(plugin_dir,"/plugins");
  71
  72         sprintf(index_directory, BCASTDIR);
  73         if(strlen(index_directory))
  74                 fs.complete_path(index_directory);
  75         cache_size = 0xa00000;
  76         index_size = 0x300000;
  77         index_count = 100;
  78         use_thumbnails = 1;
  79         trap_sigsegv = 0;
  80         trap_sigintr = 0;
  81         theme[0] = 0;
  82         use_renderfarm = 0;
  83         force_uniprocessor = 0;
  84         renderfarm_port = DEAMON_PORT;
  85         render_preroll = 0.5;
  86         brender_preroll = 0;
  87         renderfarm_mountpoint[0] = 0;
  88         renderfarm_vfs = 0;
  89         renderfarm_job_count = 20;
  90         processors = calculate_processors(0);
  91         real_processors = calculate_processors(1);
  92         file_forking = 1;
  93         ffmpeg_early_probe = 0;
  94         warn_indecies = 1;
  95
  96 // Default brender asset
  97         brender_asset = new Asset;
  98         brender_asset->audio_data = 0;
  99         brender_asset->video_data = 1;
 100         sprintf(brender_asset->path, "/tmp/brender");
 101         brender_asset->format = FILE_JPEG_LIST;
 102         brender_asset->jpeg_quality = 80;
 103
 104         use_brender = 0;
 105         brender_fragment = 1;
 106         local_rate = 0.0;
 107
 108         use_tipwindow = 1;
 109         scan_commercials = 0;
 110
 111         android_remote = 0;
 112         android_port = 23432;
 113         strcpy(android_pin, "cinelerra");
 114
 115         for(int i = 0; i < MAXCHANNELS; i++)
 116         {
 117                 for(int j = 0; j < i + 1; j++)
 118                 {
 119                         int position = 180 - (360 * j / (i + 1));
 120                         while(position < 0) position += 360;
 121                         channel_positions[i * MAXCHANNELS + j] = position;
 122                 }
 123         }
 124 }
 125
 126 Preferences::~Preferences()
 127 {
 128         brender_asset->Garbage::remove_user();
 129         delete preferences_lock;
 130 }
 131
 132 void Preferences::copy_rates_from(Preferences *preferences)
 133 {
 134         preferences_lock->lock("Preferences::copy_rates_from");
 135 // Need to match node titles in case the order changed and in case
 136 // one of the nodes in the source is the master node.
 137         local_rate = preferences->local_rate;
 138
 139         for(int j = 0;
 140                 j < preferences->renderfarm_nodes.total;
 141                 j++)
 142         {
 143                 double new_rate = preferences->renderfarm_rate.values[j];
 144 // Put in the master node
 145                 if(preferences->renderfarm_nodes.values[j][0] == '/')
 146                 {
 147                         if(!EQUIV(new_rate, 0.0))
 148                                 local_rate = new_rate;
 149                 }
 150                 else
 151 // Search for local node and copy it to that node
 152                 if(!EQUIV(new_rate, 0.0))
 153                 {
 154                         for(int i = 0; i < renderfarm_nodes.total; i++)
 155                         {
 156                                 if(!strcmp(preferences->renderfarm_nodes.values[j], renderfarm_nodes.values[i]) &&
 157                                         preferences->renderfarm_ports.values[j] == renderfarm_ports.values[i])
 158                                 {
 159                                         renderfarm_rate.values[i] = new_rate;
 160                                         break;
 161                                 }
 162                         }
 163                 }
 164         }
 165
 166 //printf("Preferences::copy_rates_from 1 %f %f\n", local_rate, preferences->local_rate);
 167         preferences_lock->unlock();
 168 }
 169
 170 void Preferences::copy_from(Preferences *that)
 171 {
 172 // ================================= Performance ================================
 173         strcpy(index_directory, that->index_directory);
 174         index_size = that->index_size;
 175         index_count = that->index_count;
 176         use_thumbnails = that->use_thumbnails;
 177         strcpy(theme, that->theme);
 178
 179         use_tipwindow = that->use_tipwindow;
 180         scan_commercials = that->scan_commercials;
 181         android_remote = that->android_remote;
 182         android_port = that->android_port;
 183         strcpy(android_pin, that->android_pin);
 184         this->shbtn_prefs.remove_all_objects();
 185         for( int i=0; i<that->shbtn_prefs.size(); ++i )
 186                 this->shbtn_prefs.append(new ShBtnPref(*that->shbtn_prefs[i]));
 187         cache_size = that->cache_size;
 188         force_uniprocessor = that->force_uniprocessor;
 189         trap_sigsegv = that->trap_sigsegv;
 190         trap_sigintr = that->trap_sigintr;
 191         processors = that->processors;
 192         real_processors = that->real_processors;
 193         file_forking = that->file_forking;
 194         ffmpeg_early_probe = that->ffmpeg_early_probe;
 195         warn_indecies = that->warn_indecies;
 196         renderfarm_nodes.remove_all_objects();
 197         renderfarm_ports.remove_all();
 198         renderfarm_enabled.remove_all();
 199         renderfarm_rate.remove_all();
 200         local_rate = that->local_rate;
 201         for(int i = 0; i < that->renderfarm_nodes.size(); i++)
 202         {
 203                 add_node(that->renderfarm_nodes.get(i),
 204                         that->renderfarm_ports.get(i),
 205                         that->renderfarm_enabled.get(i),
 206                         that->renderfarm_rate.get(i));
 207         }
 208         use_renderfarm = that->use_renderfarm;
 209         renderfarm_port = that->renderfarm_port;
 210         render_preroll = that->render_preroll;
 211         brender_preroll = that->brender_preroll;
 212         renderfarm_job_count = that->renderfarm_job_count;
 213         renderfarm_vfs = that->renderfarm_vfs;
 214         strcpy(renderfarm_mountpoint, that->renderfarm_mountpoint);
 215         renderfarm_consolidate = that->renderfarm_consolidate;
 216         use_brender = that->use_brender;
 217         brender_fragment = that->brender_fragment;
 218         brender_asset->copy_from(that->brender_asset, 0);
 219
 220 // Check boundaries
 221
 222         FileSystem fs;
 223         if(strlen(index_directory))
 224         {
 225                 fs.complete_path(index_directory);
 226                 fs.add_end_slash(index_directory);
 227         }
 228
 229 //      if(strlen(global_plugin_dir))
 230 //      {
 231 //              fs.complete_path(global_plugin_dir);
 232 //              fs.add_end_slash(global_plugin_dir);
 233 //      }
 234 //
 235
 236 // Redo with the proper value of force_uniprocessor
 237         processors = calculate_processors(0);
 238         boundaries();
 239 }
 240
 241 void Preferences::boundaries()
 242 {
 243         renderfarm_job_count = MAX(renderfarm_job_count, 1);
 244         CLAMP(cache_size, MIN_CACHE_SIZE, MAX_CACHE_SIZE);
 245 }
 246
 247 Preferences& Preferences::operator=(Preferences &that)
 248 {
 249 printf("Preferences::operator=\n");
 250         copy_from(&that);
 251         return *this;
 252 }
 253
 254 void Preferences::print_channels(char *string,
 255         int *channel_positions,
 256         int channels)
 257 {
 258         char string3[BCTEXTLEN];
 259         string[0] = 0;
 260         for(int j = 0; j < channels; j++)
 261         {
 262                 sprintf(string3, "%d", channel_positions[j]);
 263                 strcat(string, string3);
 264                 if(j < channels - 1)
 265                         strcat(string, ",");
 266         }
 267 }
 268
 269 void Preferences::scan_channels(char *string,
 270         int *channel_positions,
 271         int channels)
 272 {
 273         char string2[BCTEXTLEN];
 274         int len = strlen(string);
 275         int current_channel = 0;
 276         for(int i = 0; i < len; i++)
 277         {
 278                 strcpy(string2, &string[i]);
 279                 for(int j = 0; j < BCTEXTLEN; j++)
 280                 {
 281                         if(string2[j] == ',' || string2[j] == 0)
 282                         {
 283                                 i += j;
 284                                 string2[j] = 0;
 285                                 break;
 286                         }
 287                 }
 288                 channel_positions[current_channel++] = atoi(string2);
 289                 if(current_channel >= channels) break;
 290         }
 291 }
 292
 293 int Preferences::load_defaults(BC_Hash *defaults)
 294 {
 295         char string[BCTEXTLEN];
 296
 297         use_tipwindow = defaults->get("USE_TIPWINDOW", use_tipwindow);
 298         scan_commercials = defaults->get("SCAN_COMMERCIALS", scan_commercials);
 299         android_remote = defaults->get("ANDROID_REMOTE", android_remote);
 300         android_port = defaults->get("ANDROID_PORT", android_port);
 301         defaults->get("ANDROID_PIN", android_pin);
 302         defaults->get("INDEX_DIRECTORY", index_directory);
 303         index_size = defaults->get("INDEX_SIZE", index_size);
 304         index_count = defaults->get("INDEX_COUNT", index_count);
 305         use_thumbnails = defaults->get("USE_THUMBNAILS", use_thumbnails);
 306         trap_sigsegv = defaults->get("TRAP_SIGSEGV", trap_sigsegv);
 307         trap_sigintr = defaults->get("TRAP_SIGINTR", trap_sigintr);
 308
 309 //      sprintf(global_plugin_dir, PLUGIN_DIR);
 310 //      defaults->get("GLOBAL_PLUGIN_DIR", global_plugin_dir);
 311 //      if(getenv("GLOBAL_PLUGIN_DIR"))
 312 //      {
 313 //              strcpy(global_plugin_dir, getenv("GLOBAL_PLUGIN_DIR"));
 314 //      }
 315
 316         strcpy(theme, DEFAULT_THEME);
 317         defaults->get("THEME", theme);
 318
 319         for(int i = 0; i < MAXCHANNELS; i++)
 320         {
 321                 char string2[BCTEXTLEN];
 322                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 323                 print_channels(string2,
 324                         &channel_positions[i * MAXCHANNELS],
 325                         i + 1);
 326
 327                 defaults->get(string, string2);
 328
 329                 scan_channels(string2,
 330                         &channel_positions[i * MAXCHANNELS],
 331                         i + 1);
 332         }
 333
 334         brender_asset->load_defaults(defaults,
 335                 "BRENDER_",
 336                 1,
 337                 1,
 338                 1,
 339                 0,
 340                 0);
 341
 342
 343
 344         force_uniprocessor = defaults->get("FORCE_UNIPROCESSOR", 0);
 345         file_forking = defaults->get("FILE_FORKING", 1);
 346         ffmpeg_early_probe = defaults->get("FFMPEG_EARLY_PROBE", 0);
 347         warn_indecies = defaults->get("WARN_INDECIES", 1);
 348         use_brender = defaults->get("USE_BRENDER", use_brender);
 349         brender_fragment = defaults->get("BRENDER_FRAGMENT", brender_fragment);
 350         cache_size = defaults->get("CACHE_SIZE", cache_size);
 351         local_rate = defaults->get("LOCAL_RATE", local_rate);
 352         use_renderfarm = defaults->get("USE_RENDERFARM", use_renderfarm);
 353         renderfarm_port = defaults->get("RENDERFARM_PORT", renderfarm_port);
 354         render_preroll = defaults->get("RENDERFARM_PREROLL", render_preroll);
 355         brender_preroll = defaults->get("BRENDER_PREROLL", brender_preroll);
 356         renderfarm_job_count = defaults->get("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
 357         renderfarm_consolidate = defaults->get("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
 358 //      renderfarm_vfs = defaults->get("RENDERFARM_VFS", renderfarm_vfs);
 359         defaults->get("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
 360         int renderfarm_total = defaults->get("RENDERFARM_TOTAL", 0);
 361
 362         for(int i = 0; i < renderfarm_total; i++)
 363         {
 364                 sprintf(string, "RENDERFARM_NODE%d", i);
 365                 char result[BCTEXTLEN];
 366                 int result_port = 0;
 367                 int result_enabled = 0;
 368                 float result_rate = 0.0;
 369
 370                 result[0] = 0;
 371                 defaults->get(string, result);
 372
 373                 sprintf(string, "RENDERFARM_PORT%d", i);
 374                 result_port = defaults->get(string, renderfarm_port);
 375
 376                 sprintf(string, "RENDERFARM_ENABLED%d", i);
 377                 result_enabled = defaults->get(string, result_enabled);
 378
 379                 sprintf(string, "RENDERFARM_RATE%d", i);
 380                 result_rate = defaults->get(string, result_rate);
 381
 382                 if(result[0] != 0)
 383                 {
 384                         add_node(result, result_port, result_enabled, result_rate);
 385                 }
 386         }
 387
 388         shbtn_prefs.remove_all_objects();
 389         int shbtns_total = defaults->get("SHBTNS_TOTAL", -1);
 390         if( shbtns_total < 0 ) {
 391                 shbtn_prefs.append(new ShBtnPref("manual", "firefox file:///$CINELERRA_PATH/manual.pdf", 0));
 392                 shbtn_prefs.append(new ShBtnPref("online help", "firefox http://cinelerra.org/help.php/", 0));
 393                 shbtns_total = 0;
 394         }
 395         for( int i=0; i<shbtns_total; ++i ) {
 396                 char name[BCTEXTLEN], commands[BCTEXTLEN];
 397                 sprintf(string, "SHBTN%d_NAME", i);
 398                 defaults->get(string, name);
 399                 sprintf(string, "SHBTN%d_COMMANDS", i);
 400                 defaults->get(string, commands);
 401                 sprintf(string, "SHBTN%d_WARN", i);
 402                 int warn = defaults->get(string, 0);
 403                 shbtn_prefs.append(new ShBtnPref(name, commands, warn));
 404         }
 405
 406 // Redo with the proper value of force_uniprocessor
 407         processors = calculate_processors(0);
 408         boundaries();
 409         return 0;
 410 }
 411
 412 int Preferences::save_defaults(BC_Hash *defaults)
 413 {
 414         char string[BCTEXTLEN];
 415
 416
 417         defaults->update("USE_TIPWINDOW", use_tipwindow);
 418         defaults->update("SCAN_COMMERCIALS", scan_commercials);
 419         defaults->update("ANDROID_REMOTE", android_remote);
 420         defaults->update("ANDROID_PIN", android_pin);
 421         defaults->update("ANDROID_PORT", android_port);
 422
 423         defaults->update("CACHE_SIZE", cache_size);
 424         defaults->update("INDEX_DIRECTORY", index_directory);
 425         defaults->update("INDEX_SIZE", index_size);
 426         defaults->update("INDEX_COUNT", index_count);
 427         defaults->update("USE_THUMBNAILS", use_thumbnails);
 428         defaults->update("TRAP_SIGSEGV", trap_sigsegv);
 429         defaults->update("TRAP_SIGINTR", trap_sigintr);
 430 //      defaults->update("GLOBAL_PLUGIN_DIR", global_plugin_dir);
 431         defaults->update("THEME", theme);
 432
 433
 434         for(int i = 0; i < MAXCHANNELS; i++)
 435         {
 436                 char string2[BCTEXTLEN];
 437                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 438                 print_channels(string2, &channel_positions[i * MAXCHANNELS], i + 1);
 439                 defaults->update(string, string2);
 440         }
 441
 442         defaults->update("FORCE_UNIPROCESSOR", force_uniprocessor);
 443         defaults->update("FILE_FORKING", file_forking);
 444         defaults->update("FFMPEG_EARLY_PROBE", ffmpeg_early_probe);
 445         defaults->update("WARN_INDECIES", warn_indecies);
 446         brender_asset->save_defaults(defaults,
 447                 "BRENDER_",
 448                 1,
 449                 1,
 450                 1,
 451                 0,
 452                 0);
 453         defaults->update("USE_BRENDER", use_brender);
 454         defaults->update("BRENDER_FRAGMENT", brender_fragment);
 455         defaults->update("USE_RENDERFARM", use_renderfarm);
 456         defaults->update("LOCAL_RATE", local_rate);
 457         defaults->update("RENDERFARM_PORT", renderfarm_port);
 458         defaults->update("RENDERFARM_PREROLL", render_preroll);
 459         defaults->update("BRENDER_PREROLL", brender_preroll);
 460 //      defaults->update("RENDERFARM_VFS", renderfarm_vfs);
 461         defaults->update("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
 462         defaults->update("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
 463         defaults->update("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
 464         defaults->update("RENDERFARM_TOTAL", (int64_t)renderfarm_nodes.total);
 465         for(int i = 0; i < renderfarm_nodes.total; i++)
 466         {
 467                 sprintf(string, "RENDERFARM_NODE%d", i);
 468                 defaults->update(string, renderfarm_nodes.values[i]);
 469                 sprintf(string, "RENDERFARM_PORT%d", i);
 470                 defaults->update(string, renderfarm_ports.values[i]);
 471                 sprintf(string, "RENDERFARM_ENABLED%d", i);
 472                 defaults->update(string, renderfarm_enabled.values[i]);
 473                 sprintf(string, "RENDERFARM_RATE%d", i);
 474                 defaults->update(string, renderfarm_rate.values[i]);
 475         }
 476         defaults->update("SHBTNS_TOTAL", shbtn_prefs.size());
 477         for( int i=0; i<shbtn_prefs.size(); ++i ) {
 478                 ShBtnPref *pref = shbtn_prefs[i];
 479                 sprintf(string, "SHBTN%d_NAME", i);
 480                 defaults->update(string, pref->name);
 481                 sprintf(string, "SHBTN%d_COMMANDS", i);
 482                 defaults->update(string, pref->commands);
 483                 sprintf(string, "SHBTN%d_WARN", i);
 484                 defaults->update(string, pref->warn);
 485         }
 486         return 0;
 487 }
 488
 489
 490 void Preferences::add_node(const char *text, int port, int enabled, float rate)
 491 {
 492         if(text[0] == 0) return;
 493
 494         preferences_lock->lock("Preferences::add_node");
 495         char *new_item = new char[strlen(text) + 1];
 496         strcpy(new_item, text);
 497         renderfarm_nodes.append(new_item);
 498         renderfarm_ports.append(port);
 499         renderfarm_enabled.append(enabled);
 500         renderfarm_rate.append(rate);
 501         preferences_lock->unlock();
 502 }
 503
 504 void Preferences::delete_node(int number)
 505 {
 506         preferences_lock->lock("Preferences::delete_node");
 507         if(number < renderfarm_nodes.total && number >= 0)
 508         {
 509                 delete [] renderfarm_nodes.values[number];
 510                 renderfarm_nodes.remove_number(number);
 511                 renderfarm_ports.remove_number(number);
 512                 renderfarm_enabled.remove_number(number);
 513                 renderfarm_rate.remove_number(number);
 514         }
 515         preferences_lock->unlock();
 516 }
 517
 518 void Preferences::delete_nodes()
 519 {
 520         preferences_lock->lock("Preferences::delete_nodes");
 521         for(int i = 0; i < renderfarm_nodes.total; i++)
 522                 delete [] renderfarm_nodes.values[i];
 523         renderfarm_nodes.remove_all();
 524         renderfarm_ports.remove_all();
 525         renderfarm_enabled.remove_all();
 526         renderfarm_rate.remove_all();
 527         preferences_lock->unlock();
 528 }
 529
 530 void Preferences::reset_rates()
 531 {
 532         for(int i = 0; i < renderfarm_nodes.total; i++)
 533         {
 534                 renderfarm_rate.values[i] = 0.0;
 535         }
 536         local_rate = 0.0;
 537 }
 538
 539 float Preferences::get_rate(int node)
 540 {
 541         if(node < 0)
 542         {
 543                 return local_rate;
 544         }
 545         else
 546         {
 547                 int total = 0;
 548                 for(int i = 0; i < renderfarm_nodes.size(); i++)
 549                 {
 550                         if(renderfarm_enabled.get(i)) total++;
 551                         if(total == node + 1)
 552                         {
 553                                 return renderfarm_rate.get(i);
 554                         }
 555                 }
 556         }
 557
 558         return 0;
 559 }
 560
 561 void Preferences::set_rate(float rate, int node)
 562 {
 563 //printf("Preferences::set_rate %f %d\n", rate, node);
 564         if(node < 0)
 565         {
 566                 local_rate = rate;
 567         }
 568         else
 569         {
 570                 int total = 0;
 571                 for(int i = 0; i < renderfarm_nodes.size(); i++)
 572                 {
 573                         if(renderfarm_enabled.get(i)) total++;
 574                         if(total == node + 1)
 575                         {
 576                                 renderfarm_rate.set(i, rate);
 577                                 return;
 578                         }
 579                 }
 580         }
 581 }
 582
 583 float Preferences::get_avg_rate(int use_master_node)
 584 {
 585         preferences_lock->lock("Preferences::get_avg_rate");
 586         float total = 0.0;
 587         if(renderfarm_rate.total)
 588         {
 589                 int enabled = 0;
 590                 if(use_master_node)
 591                 {
 592                         if(EQUIV(local_rate, 0.0))
 593                         {
 594                                 preferences_lock->unlock();
 595                                 return 0.0;
 596                         }
 597                         else
 598                         {
 599                                 enabled++;
 600                                 total += local_rate;
 601                         }
 602                 }
 603
 604                 for(int i = 0; i < renderfarm_rate.total; i++)
 605                 {
 606                         if(renderfarm_enabled.values[i])
 607                         {
 608                                 enabled++;
 609                                 total += renderfarm_rate.values[i];
 610                                 if(EQUIV(renderfarm_rate.values[i], 0.0))
 611                                 {
 612                                         preferences_lock->unlock();
 613                                         return 0.0;
 614                                 }
 615                         }
 616                 }
 617
 618                 if(enabled)
 619                         total /= enabled;
 620                 else
 621                         total = 0.0;
 622         }
 623         preferences_lock->unlock();
 624
 625         return total;
 626 }
 627
 628 void Preferences::sort_nodes()
 629 {
 630         int done = 0;
 631
 632         while(!done)
 633         {
 634                 done = 1;
 635                 for(int i = 0; i < renderfarm_nodes.total - 1; i++)
 636                 {
 637                         if(strcmp(renderfarm_nodes.values[i], renderfarm_nodes.values[i + 1]) > 0)
 638                         {
 639                                 char *temp = renderfarm_nodes.values[i];
 640                                 int temp_port = renderfarm_ports.values[i];
 641
 642                                 renderfarm_nodes.values[i] = renderfarm_nodes.values[i + 1];
 643                                 renderfarm_nodes.values[i + 1] = temp;
 644
 645                                 renderfarm_ports.values[i] = renderfarm_ports.values[i + 1];
 646                                 renderfarm_ports.values[i + 1] = temp_port;
 647
 648                                 renderfarm_enabled.values[i] = renderfarm_enabled.values[i + 1];
 649                                 renderfarm_enabled.values[i + 1] = temp_port;
 650
 651                                 renderfarm_rate.values[i] = renderfarm_rate.values[i + 1];
 652                                 renderfarm_rate.values[i + 1] = temp_port;
 653                                 done = 0;
 654                         }
 655                 }
 656         }
 657 }
 658
 659 void Preferences::edit_node(int number,
 660         const char *new_text,
 661         int new_port,
 662         int new_enabled)
 663 {
 664         char *new_item = new char[strlen(new_text) + 1];
 665         strcpy(new_item, new_text);
 666
 667         delete [] renderfarm_nodes.values[number];
 668         renderfarm_nodes.values[number] = new_item;
 669         renderfarm_ports.values[number] = new_port;
 670         renderfarm_enabled.values[number] = new_enabled;
 671 }
 672
 673 int Preferences::get_enabled_nodes()
 674 {
 675         int result = 0;
 676         for(int i = 0; i < renderfarm_enabled.total; i++)
 677                 if(renderfarm_enabled.values[i]) result++;
 678         return result;
 679 }
 680
 681 const char* Preferences::get_node_hostname(int number)
 682 {
 683         int total = 0;
 684         for(int i = 0; i < renderfarm_nodes.total; i++)
 685         {
 686                 if(renderfarm_enabled.values[i])
 687                 {
 688                         if(total == number)
 689                                 return renderfarm_nodes.values[i];
 690                         else
 691                                 total++;
 692                 }
 693         }
 694         return "";
 695 }
 696
 697 int Preferences::get_node_port(int number)
 698 {
 699         int total = 0;
 700         for(int i = 0; i < renderfarm_ports.total; i++)
 701         {
 702                 if(renderfarm_enabled.values[i])
 703                 {
 704                         if(total == number)
 705                                 return renderfarm_ports.values[i];
 706                         else
 707                                 total++;
 708                 }
 709         }
 710         return -1;
 711 }
 712
 713 int Preferences::get_asset_file_path(Asset *asset, char *path)
 714 {
 715         strcpy(path, asset->path);
 716         int result = access(path, R_OK);
 717         if( !result && asset->format == FILE_MPEG ) {
 718                 char source_filename[BCTEXTLEN];
 719                 char index_filename[BCTEXTLEN];
 720                 IndexFile::get_index_filename(source_filename,
 721                         index_directory, index_filename,
 722                         asset->path, ".toc");
 723                 struct stat st;
 724                 if( !access(index_filename, R_OK) &&
 725                     !stat(index_filename,&st) && st.st_size > 0 )
 726                 strcpy(path, index_filename);
 727         }
 728         return result;
 729 }
 730
 731
 732 int Preferences::calculate_processors(int interactive)
 733 {
 734         if(force_uniprocessor && !interactive) return 1;
 735         return BC_WindowBase::get_resources()->machine_cpus;
 736 }
 737