cinelerra-5.1/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 Preferences::Preferences()
  50 {
  51 // Set defaults
  52         FileSystem fs;
  53
  54         preferences_lock = new Mutex("Preferences::preferences_lock");
  55
  56
  57
  58         get_exe_path(plugin_dir);
  59         strcat(plugin_dir,"/plugins");
  60
  61         sprintf(index_directory, BCASTDIR);
  62         if(strlen(index_directory))
  63                 fs.complete_path(index_directory);
  64         cache_size = 0x1000000;
  65         index_size = 0x400000;
  66         index_count = 500;
  67         use_thumbnails = 1;
  68         keyframe_reticle = HAIRLINE_DRAGGING;
  69         trap_sigsegv = 1;
  70         trap_sigintr = 1;
  71         theme[0] = 0;
  72         use_renderfarm = 0;
  73         force_uniprocessor = 0;
  74         renderfarm_port = DEAMON_PORT;
  75         render_preroll = 0.5;
  76         brender_preroll = 0;
  77         renderfarm_mountpoint[0] = 0;
  78         renderfarm_vfs = 0;
  79         renderfarm_job_count = 20;
  80         processors = calculate_processors(0);
  81         real_processors = calculate_processors(1);
  82         ffmpeg_early_probe = 0;
  83         ffmpeg_marker_indexes = 1;
  84         warn_indexes = 1;
  85
  86 // Default brender asset
  87         brender_asset = new Asset;
  88         brender_asset->audio_data = 0;
  89         brender_asset->video_data = 1;
  90         sprintf(brender_asset->path, "/tmp/brender");
  91         brender_asset->format = FILE_JPEG_LIST;
  92         brender_asset->jpeg_quality = 80;
  93
  94         use_brender = 0;
  95         brender_fragment = 1;
  96         local_rate = 0.0;
  97
  98         use_tipwindow = 1;
  99         scan_commercials = 0;
 100
 101         android_remote = 0;
 102         android_port = 23432;
 103         strcpy(android_pin, "cinelerra");
 104
 105         for(int i = 0; i < MAXCHANNELS; i++)
 106         {
 107                 for(int j = 0; j < i + 1; j++)
 108                 {
 109                         int position = 180 - (360 * j / (i + 1));
 110                         while(position < 0) position += 360;
 111                         channel_positions[i * MAXCHANNELS + j] = position;
 112                 }
 113         }
 114 }
 115
 116 Preferences::~Preferences()
 117 {
 118         brender_asset->Garbage::remove_user();
 119         shbtn_prefs.remove_all_objects();
 120         renderfarm_nodes.remove_all_objects();
 121         delete preferences_lock;
 122 }
 123
 124 void Preferences::copy_rates_from(Preferences *preferences)
 125 {
 126         preferences_lock->lock("Preferences::copy_rates_from");
 127 // Need to match node titles in case the order changed and in case
 128 // one of the nodes in the source is the master node.
 129         local_rate = preferences->local_rate;
 130
 131         for(int j = 0;
 132                 j < preferences->renderfarm_nodes.total;
 133                 j++)
 134         {
 135                 double new_rate = preferences->renderfarm_rate.values[j];
 136 // Put in the master node
 137                 if(preferences->renderfarm_nodes.values[j][0] == '/')
 138                 {
 139                         if(!EQUIV(new_rate, 0.0))
 140                                 local_rate = new_rate;
 141                 }
 142                 else
 143 // Search for local node and copy it to that node
 144                 if(!EQUIV(new_rate, 0.0))
 145                 {
 146                         for(int i = 0; i < renderfarm_nodes.total; i++)
 147                         {
 148                                 if(!strcmp(preferences->renderfarm_nodes.values[j], renderfarm_nodes.values[i]) &&
 149                                         preferences->renderfarm_ports.values[j] == renderfarm_ports.values[i])
 150                                 {
 151                                         renderfarm_rate.values[i] = new_rate;
 152                                         break;
 153                                 }
 154                         }
 155                 }
 156         }
 157
 158 //printf("Preferences::copy_rates_from 1 %f %f\n", local_rate, preferences->local_rate);
 159         preferences_lock->unlock();
 160 }
 161
 162 void Preferences::copy_from(Preferences *that)
 163 {
 164 // ================================= Performance ================================
 165         strcpy(index_directory, that->index_directory);
 166         index_size = that->index_size;
 167         index_count = that->index_count;
 168         use_thumbnails = that->use_thumbnails;
 169         keyframe_reticle = that->keyframe_reticle;
 170         strcpy(theme, that->theme);
 171
 172         use_tipwindow = that->use_tipwindow;
 173         scan_commercials = that->scan_commercials;
 174         android_remote = that->android_remote;
 175         android_port = that->android_port;
 176         strcpy(android_pin, that->android_pin);
 177         this->shbtn_prefs.remove_all_objects();
 178         for( int i=0; i<that->shbtn_prefs.size(); ++i )
 179                 this->shbtn_prefs.append(new ShBtnPref(*that->shbtn_prefs[i]));
 180         cache_size = that->cache_size;
 181         force_uniprocessor = that->force_uniprocessor;
 182         trap_sigsegv = that->trap_sigsegv;
 183         trap_sigintr = that->trap_sigintr;
 184         processors = that->processors;
 185         real_processors = that->real_processors;
 186         ffmpeg_early_probe = that->ffmpeg_early_probe;
 187         ffmpeg_marker_indexes = that->ffmpeg_marker_indexes;
 188         warn_indexes = that->warn_indexes;
 189         renderfarm_nodes.remove_all_objects();
 190         renderfarm_ports.remove_all();
 191         renderfarm_enabled.remove_all();
 192         renderfarm_rate.remove_all();
 193         local_rate = that->local_rate;
 194         for(int i = 0; i < that->renderfarm_nodes.size(); i++)
 195         {
 196                 add_node(that->renderfarm_nodes.get(i),
 197                         that->renderfarm_ports.get(i),
 198                         that->renderfarm_enabled.get(i),
 199                         that->renderfarm_rate.get(i));
 200         }
 201         use_renderfarm = that->use_renderfarm;
 202         renderfarm_port = that->renderfarm_port;
 203         render_preroll = that->render_preroll;
 204         brender_preroll = that->brender_preroll;
 205         renderfarm_job_count = that->renderfarm_job_count;
 206         renderfarm_vfs = that->renderfarm_vfs;
 207         strcpy(renderfarm_mountpoint, that->renderfarm_mountpoint);
 208         renderfarm_consolidate = that->renderfarm_consolidate;
 209         use_brender = that->use_brender;
 210         brender_fragment = that->brender_fragment;
 211         brender_asset->copy_from(that->brender_asset, 0);
 212
 213 // Check boundaries
 214
 215         FileSystem fs;
 216         if(strlen(index_directory))
 217         {
 218                 fs.complete_path(index_directory);
 219                 fs.add_end_slash(index_directory);
 220         }
 221
 222 //      if(strlen(global_plugin_dir))
 223 //      {
 224 //              fs.complete_path(global_plugin_dir);
 225 //              fs.add_end_slash(global_plugin_dir);
 226 //      }
 227 //
 228
 229 // Redo with the proper value of force_uniprocessor
 230         processors = calculate_processors(0);
 231         boundaries();
 232 }
 233
 234 void Preferences::boundaries()
 235 {
 236         renderfarm_job_count = MAX(renderfarm_job_count, 1);
 237         CLAMP(cache_size, MIN_CACHE_SIZE, MAX_CACHE_SIZE);
 238 }
 239
 240 Preferences& Preferences::operator=(Preferences &that)
 241 {
 242 printf("Preferences::operator=\n");
 243         copy_from(&that);
 244         return *this;
 245 }
 246
 247 void Preferences::print_channels(char *string,
 248         int *channel_positions,
 249         int channels)
 250 {
 251         char string3[BCTEXTLEN];
 252         string[0] = 0;
 253         for(int j = 0; j < channels; j++)
 254         {
 255                 sprintf(string3, "%d", channel_positions[j]);
 256                 strcat(string, string3);
 257                 if(j < channels - 1)
 258                         strcat(string, ",");
 259         }
 260 }
 261
 262 void Preferences::scan_channels(char *string,
 263         int *channel_positions,
 264         int channels)
 265 {
 266         char string2[BCTEXTLEN];
 267         int len = strlen(string);
 268         int current_channel = 0;
 269         for(int i = 0; i < len; i++)
 270         {
 271                 strcpy(string2, &string[i]);
 272                 for(int j = 0; j < BCTEXTLEN; j++)
 273                 {
 274                         if(string2[j] == ',' || string2[j] == 0)
 275                         {
 276                                 i += j;
 277                                 string2[j] = 0;
 278                                 break;
 279                         }
 280                 }
 281                 channel_positions[current_channel++] = atoi(string2);
 282                 if(current_channel >= channels) break;
 283         }
 284 }
 285
 286 int Preferences::load_defaults(BC_Hash *defaults)
 287 {
 288         char string[BCTEXTLEN];
 289
 290         use_tipwindow = defaults->get("USE_TIPWINDOW", use_tipwindow);
 291         scan_commercials = defaults->get("SCAN_COMMERCIALS", scan_commercials);
 292         android_remote = defaults->get("ANDROID_REMOTE", android_remote);
 293         android_port = defaults->get("ANDROID_PORT", android_port);
 294         defaults->get("ANDROID_PIN", android_pin);
 295         defaults->get("INDEX_DIRECTORY", index_directory);
 296         index_size = defaults->get("INDEX_SIZE", index_size);
 297         index_count = defaults->get("INDEX_COUNT", index_count);
 298         use_thumbnails = defaults->get("USE_THUMBNAILS", use_thumbnails);
 299         keyframe_reticle = defaults->get("KEYFRAME_RETICLE", keyframe_reticle);
 300         trap_sigsegv = defaults->get("TRAP_SIGSEGV", trap_sigsegv);
 301         trap_sigintr = defaults->get("TRAP_SIGINTR", trap_sigintr);
 302
 303         strcpy(theme, DEFAULT_THEME);
 304         defaults->get("THEME", theme);
 305
 306         for(int i = 0; i < MAXCHANNELS; i++)
 307         {
 308                 char string2[BCTEXTLEN];
 309                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 310                 print_channels(string2,
 311                         &channel_positions[i * MAXCHANNELS],
 312                         i + 1);
 313
 314                 defaults->get(string, string2);
 315
 316                 scan_channels(string2,
 317                         &channel_positions[i * MAXCHANNELS],
 318                         i + 1);
 319         }
 320
 321         brender_asset->load_defaults(defaults,
 322                 "BRENDER_",
 323                 1,
 324                 1,
 325                 1,
 326                 0,
 327                 0);
 328
 329
 330
 331         force_uniprocessor = defaults->get("FORCE_UNIPROCESSOR", force_uniprocessor);
 332         ffmpeg_early_probe = defaults->get("FFMPEG_EARLY_PROBE", ffmpeg_early_probe);
 333         ffmpeg_marker_indexes = defaults->get("FFMPEG_MARKER_INDEXES", ffmpeg_marker_indexes);
 334         warn_indexes = defaults->get("WARN_INDEXES", warn_indexes);
 335         use_brender = defaults->get("USE_BRENDER", use_brender);
 336         brender_fragment = defaults->get("BRENDER_FRAGMENT", brender_fragment);
 337         cache_size = defaults->get("CACHE_SIZE", cache_size);
 338         local_rate = defaults->get("LOCAL_RATE", local_rate);
 339         use_renderfarm = defaults->get("USE_RENDERFARM", use_renderfarm);
 340         renderfarm_port = defaults->get("RENDERFARM_PORT", renderfarm_port);
 341         render_preroll = defaults->get("RENDERFARM_PREROLL", render_preroll);
 342         brender_preroll = defaults->get("BRENDER_PREROLL", brender_preroll);
 343         renderfarm_job_count = defaults->get("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
 344         renderfarm_consolidate = defaults->get("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
 345 //      renderfarm_vfs = defaults->get("RENDERFARM_VFS", renderfarm_vfs);
 346         defaults->get("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
 347         int renderfarm_total = defaults->get("RENDERFARM_TOTAL", 0);
 348
 349         for(int i = 0; i < renderfarm_total; i++)
 350         {
 351                 sprintf(string, "RENDERFARM_NODE%d", i);
 352                 char result[BCTEXTLEN];
 353                 int result_port = 0;
 354                 int result_enabled = 0;
 355                 float result_rate = 0.0;
 356
 357                 result[0] = 0;
 358                 defaults->get(string, result);
 359
 360                 sprintf(string, "RENDERFARM_PORT%d", i);
 361                 result_port = defaults->get(string, renderfarm_port);
 362
 363                 sprintf(string, "RENDERFARM_ENABLED%d", i);
 364                 result_enabled = defaults->get(string, result_enabled);
 365
 366                 sprintf(string, "RENDERFARM_RATE%d", i);
 367                 result_rate = defaults->get(string, result_rate);
 368
 369                 if(result[0] != 0)
 370                 {
 371                         add_node(result, result_port, result_enabled, result_rate);
 372                 }
 373         }
 374
 375         shbtn_prefs.remove_all_objects();
 376         int shbtns_total = defaults->get("SHBTNS_TOTAL", -1);
 377         if( shbtns_total < 0 ) {
 378 //              shbtn_prefs.append(new ShBtnPref("manual", "firefox file:///$CINELERRA_PATH/manual.pdf", 0));
 379                 shbtn_prefs.append(new ShBtnPref("online help", "firefox https://cinelerra-cv.org/docs/cinelerra_cv_manual_en.html", 0));
 380                 shbtns_total = 0;
 381         }
 382         for( int i=0; i<shbtns_total; ++i ) {
 383                 char name[BCTEXTLEN], commands[BCTEXTLEN];
 384                 sprintf(string, "SHBTN%d_NAME", i);
 385                 defaults->get(string, name);
 386                 sprintf(string, "SHBTN%d_COMMANDS", i);
 387                 defaults->get(string, commands);
 388                 sprintf(string, "SHBTN%d_WARN", i);
 389                 int warn = defaults->get(string, 0);
 390                 shbtn_prefs.append(new ShBtnPref(name, commands, warn));
 391         }
 392
 393 // Redo with the proper value of force_uniprocessor
 394         processors = calculate_processors(0);
 395         boundaries();
 396         return 0;
 397 }
 398
 399 int Preferences::save_defaults(BC_Hash *defaults)
 400 {
 401         char string[BCTEXTLEN];
 402
 403
 404         defaults->update("USE_TIPWINDOW", use_tipwindow);
 405         defaults->update("SCAN_COMMERCIALS", scan_commercials);
 406         defaults->update("ANDROID_REMOTE", android_remote);
 407         defaults->update("ANDROID_PIN", android_pin);
 408         defaults->update("ANDROID_PORT", android_port);
 409
 410         defaults->update("CACHE_SIZE", cache_size);
 411         defaults->update("INDEX_DIRECTORY", index_directory);
 412         defaults->update("INDEX_SIZE", index_size);
 413         defaults->update("INDEX_COUNT", index_count);
 414         defaults->update("USE_THUMBNAILS", use_thumbnails);
 415         defaults->update("KEYFRAME_RETICLE", keyframe_reticle);
 416         defaults->update("TRAP_SIGSEGV", trap_sigsegv);
 417         defaults->update("TRAP_SIGINTR", trap_sigintr);
 418 //      defaults->update("GLOBAL_PLUGIN_DIR", global_plugin_dir);
 419         defaults->update("THEME", theme);
 420
 421
 422         for(int i = 0; i < MAXCHANNELS; i++)
 423         {
 424                 char string2[BCTEXTLEN];
 425                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 426                 print_channels(string2, &channel_positions[i * MAXCHANNELS], i + 1);
 427                 defaults->update(string, string2);
 428         }
 429
 430         defaults->update("FORCE_UNIPROCESSOR", force_uniprocessor);
 431         defaults->update("FFMPEG_EARLY_PROBE", ffmpeg_early_probe);
 432         defaults->update("FFMPEG_MARKER_INDEXES", ffmpeg_marker_indexes);
 433         defaults->update("WARN_INDEXES", warn_indexes);
 434         brender_asset->save_defaults(defaults,
 435                 "BRENDER_",
 436                 1,
 437                 1,
 438                 1,
 439                 0,
 440                 0);
 441         defaults->update("USE_BRENDER", use_brender);
 442         defaults->update("BRENDER_FRAGMENT", brender_fragment);
 443         defaults->update("USE_RENDERFARM", use_renderfarm);
 444         defaults->update("LOCAL_RATE", local_rate);
 445         defaults->update("RENDERFARM_PORT", renderfarm_port);
 446         defaults->update("RENDERFARM_PREROLL", render_preroll);
 447         defaults->update("BRENDER_PREROLL", brender_preroll);
 448 //      defaults->update("RENDERFARM_VFS", renderfarm_vfs);
 449         defaults->update("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
 450         defaults->update("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
 451         defaults->update("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
 452         defaults->update("RENDERFARM_TOTAL", (int64_t)renderfarm_nodes.total);
 453         for(int i = 0; i < renderfarm_nodes.total; i++)
 454         {
 455                 sprintf(string, "RENDERFARM_NODE%d", i);
 456                 defaults->update(string, renderfarm_nodes.values[i]);
 457                 sprintf(string, "RENDERFARM_PORT%d", i);
 458                 defaults->update(string, renderfarm_ports.values[i]);
 459                 sprintf(string, "RENDERFARM_ENABLED%d", i);
 460                 defaults->update(string, renderfarm_enabled.values[i]);
 461                 sprintf(string, "RENDERFARM_RATE%d", i);
 462                 defaults->update(string, renderfarm_rate.values[i]);
 463         }
 464         defaults->update("SHBTNS_TOTAL", shbtn_prefs.size());
 465         for( int i=0; i<shbtn_prefs.size(); ++i ) {
 466                 ShBtnPref *pref = shbtn_prefs[i];
 467                 sprintf(string, "SHBTN%d_NAME", i);
 468                 defaults->update(string, pref->name);
 469                 sprintf(string, "SHBTN%d_COMMANDS", i);
 470                 defaults->update(string, pref->commands);
 471                 sprintf(string, "SHBTN%d_WARN", i);
 472                 defaults->update(string, pref->warn);
 473         }
 474         return 0;
 475 }
 476
 477
 478 void Preferences::add_node(const char *text, int port, int enabled, float rate)
 479 {
 480         if(text[0] == 0) return;
 481
 482         preferences_lock->lock("Preferences::add_node");
 483         char *new_item = new char[strlen(text) + 1];
 484         strcpy(new_item, text);
 485         renderfarm_nodes.append(new_item);
 486         renderfarm_nodes.set_array_delete();
 487         renderfarm_ports.append(port);
 488         renderfarm_enabled.append(enabled);
 489         renderfarm_rate.append(rate);
 490         preferences_lock->unlock();
 491 }
 492
 493 void Preferences::delete_node(int number)
 494 {
 495         preferences_lock->lock("Preferences::delete_node");
 496         if(number < renderfarm_nodes.total && number >= 0)
 497         {
 498                 delete [] renderfarm_nodes.values[number];
 499                 renderfarm_nodes.remove_number(number);
 500                 renderfarm_ports.remove_number(number);
 501                 renderfarm_enabled.remove_number(number);
 502                 renderfarm_rate.remove_number(number);
 503         }
 504         preferences_lock->unlock();
 505 }
 506
 507 void Preferences::delete_nodes()
 508 {
 509         preferences_lock->lock("Preferences::delete_nodes");
 510         for(int i = 0; i < renderfarm_nodes.total; i++)
 511                 delete [] renderfarm_nodes.values[i];
 512         renderfarm_nodes.remove_all();
 513         renderfarm_ports.remove_all();
 514         renderfarm_enabled.remove_all();
 515         renderfarm_rate.remove_all();
 516         preferences_lock->unlock();
 517 }
 518
 519 void Preferences::reset_rates()
 520 {
 521         for(int i = 0; i < renderfarm_nodes.total; i++)
 522         {
 523                 renderfarm_rate.values[i] = 0.0;
 524         }
 525         local_rate = 0.0;
 526 }
 527
 528 float Preferences::get_rate(int node)
 529 {
 530         if(node < 0)
 531         {
 532                 return local_rate;
 533         }
 534         else
 535         {
 536                 int total = 0;
 537                 for(int i = 0; i < renderfarm_nodes.size(); i++)
 538                 {
 539                         if(renderfarm_enabled.get(i)) total++;
 540                         if(total == node + 1)
 541                         {
 542                                 return renderfarm_rate.get(i);
 543                         }
 544                 }
 545         }
 546
 547         return 0;
 548 }
 549
 550 void Preferences::set_rate(float rate, int node)
 551 {
 552 //printf("Preferences::set_rate %f %d\n", rate, node);
 553         if(node < 0)
 554         {
 555                 local_rate = rate;
 556         }
 557         else
 558         {
 559                 int total = 0;
 560                 for(int i = 0; i < renderfarm_nodes.size(); i++)
 561                 {
 562                         if(renderfarm_enabled.get(i)) total++;
 563                         if(total == node + 1)
 564                         {
 565                                 renderfarm_rate.set(i, rate);
 566                                 return;
 567                         }
 568                 }
 569         }
 570 }
 571
 572 float Preferences::get_avg_rate(int use_master_node)
 573 {
 574         preferences_lock->lock("Preferences::get_avg_rate");
 575         float total = 0.0;
 576         if(renderfarm_rate.total)
 577         {
 578                 int enabled = 0;
 579                 if(use_master_node)
 580                 {
 581                         if(EQUIV(local_rate, 0.0))
 582                         {
 583                                 preferences_lock->unlock();
 584                                 return 0.0;
 585                         }
 586                         else
 587                         {
 588                                 enabled++;
 589                                 total += local_rate;
 590                         }
 591                 }
 592
 593                 for(int i = 0; i < renderfarm_rate.total; i++)
 594                 {
 595                         if(renderfarm_enabled.values[i])
 596                         {
 597                                 enabled++;
 598                                 total += renderfarm_rate.values[i];
 599                                 if(EQUIV(renderfarm_rate.values[i], 0.0))
 600                                 {
 601                                         preferences_lock->unlock();
 602                                         return 0.0;
 603                                 }
 604                         }
 605                 }
 606
 607                 if(enabled)
 608                         total /= enabled;
 609                 else
 610                         total = 0.0;
 611         }
 612         preferences_lock->unlock();
 613
 614         return total;
 615 }
 616
 617 void Preferences::sort_nodes()
 618 {
 619         int done = 0;
 620
 621         while(!done)
 622         {
 623                 done = 1;
 624                 for(int i = 0; i < renderfarm_nodes.total - 1; i++)
 625                 {
 626                         if(strcmp(renderfarm_nodes.values[i], renderfarm_nodes.values[i + 1]) > 0)
 627                         {
 628                                 char *temp = renderfarm_nodes.values[i];
 629                                 int temp_port = renderfarm_ports.values[i];
 630
 631                                 renderfarm_nodes.values[i] = renderfarm_nodes.values[i + 1];
 632                                 renderfarm_nodes.values[i + 1] = temp;
 633
 634                                 renderfarm_ports.values[i] = renderfarm_ports.values[i + 1];
 635                                 renderfarm_ports.values[i + 1] = temp_port;
 636
 637                                 renderfarm_enabled.values[i] = renderfarm_enabled.values[i + 1];
 638                                 renderfarm_enabled.values[i + 1] = temp_port;
 639
 640                                 renderfarm_rate.values[i] = renderfarm_rate.values[i + 1];
 641                                 renderfarm_rate.values[i + 1] = temp_port;
 642                                 done = 0;
 643                         }
 644                 }
 645         }
 646 }
 647
 648 void Preferences::edit_node(int number,
 649         const char *new_text,
 650         int new_port,
 651         int new_enabled)
 652 {
 653         char *new_item = new char[strlen(new_text) + 1];
 654         strcpy(new_item, new_text);
 655
 656         delete [] renderfarm_nodes.values[number];
 657         renderfarm_nodes.values[number] = new_item;
 658         renderfarm_ports.values[number] = new_port;
 659         renderfarm_enabled.values[number] = new_enabled;
 660 }
 661
 662 int Preferences::get_enabled_nodes()
 663 {
 664         int result = 0;
 665         for(int i = 0; i < renderfarm_enabled.total; i++)
 666                 if(renderfarm_enabled.values[i]) result++;
 667         return result;
 668 }
 669
 670 const char* Preferences::get_node_hostname(int number)
 671 {
 672         int total = 0;
 673         for(int i = 0; i < renderfarm_nodes.total; i++)
 674         {
 675                 if(renderfarm_enabled.values[i])
 676                 {
 677                         if(total == number)
 678                                 return renderfarm_nodes.values[i];
 679                         else
 680                                 total++;
 681                 }
 682         }
 683         return "";
 684 }
 685
 686 int Preferences::get_node_port(int number)
 687 {
 688         int total = 0;
 689         for(int i = 0; i < renderfarm_ports.total; i++)
 690         {
 691                 if(renderfarm_enabled.values[i])
 692                 {
 693                         if(total == number)
 694                                 return renderfarm_ports.values[i];
 695                         else
 696                                 total++;
 697                 }
 698         }
 699         return -1;
 700 }
 701
 702 int Preferences::get_asset_file_path(Asset *asset, char *path)
 703 {
 704         strcpy(path, asset->path);
 705         int result = !access(path, R_OK) ? 0 : -1;
 706         if( !result && asset->format == FILE_MPEG ) {
 707                 char source_filename[BCTEXTLEN], index_filename[BCTEXTLEN];
 708                 IndexFile::get_index_filename(source_filename,
 709                         index_directory, index_filename, asset->path, ".toc");
 710                 strcpy(path, index_filename);
 711                 if( access(path, R_OK) )
 712                         result = 1;
 713         }
 714 // result = 0, asset->path/toc exist, -1 no asset, 1 no toc
 715         return result;
 716 }
 717
 718
 719 int Preferences::calculate_processors(int interactive)
 720 {
 721         if(force_uniprocessor && !interactive) return 1;
 722         return BC_WindowBase::get_resources()->machine_cpus;
 723 }
 724