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
  55
  56
  57
  58 Preferences::Preferences()
  59 {
  60 // Set defaults
  61         FileSystem fs;
  62
  63         preferences_lock = new Mutex("Preferences::preferences_lock");
  64
  65
  66
  67         get_exe_path(plugin_dir);
  68         strcat(plugin_dir,"/plugins");
  69
  70         sprintf(index_directory, BCASTDIR);
  71         if(strlen(index_directory))
  72                 fs.complete_path(index_directory);
  73         cache_size = 0x1000000;
  74         index_size = 0x400000;
  75         index_count = 100;
  76         use_thumbnails = 1;
  77         trap_sigsegv = 1;
  78         trap_sigintr = 1;
  79         theme[0] = 0;
  80         use_renderfarm = 0;
  81         force_uniprocessor = 0;
  82         renderfarm_port = DEAMON_PORT;
  83         render_preroll = 0.5;
  84         brender_preroll = 0;
  85         renderfarm_mountpoint[0] = 0;
  86         renderfarm_vfs = 0;
  87         renderfarm_job_count = 20;
  88         processors = calculate_processors(0);
  89         real_processors = calculate_processors(1);
  90         file_forking = 0;
  91         ffmpeg_early_probe = 0;
  92         ffmpeg_marker_indecies = 1;
  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         shbtn_prefs.remove_all_objects();
 129         renderfarm_nodes.remove_all_objects();
 130         delete preferences_lock;
 131 }
 132
 133 void Preferences::copy_rates_from(Preferences *preferences)
 134 {
 135         preferences_lock->lock("Preferences::copy_rates_from");
 136 // Need to match node titles in case the order changed and in case
 137 // one of the nodes in the source is the master node.
 138         local_rate = preferences->local_rate;
 139
 140         for(int j = 0;
 141                 j < preferences->renderfarm_nodes.total;
 142                 j++)
 143         {
 144                 double new_rate = preferences->renderfarm_rate.values[j];
 145 // Put in the master node
 146                 if(preferences->renderfarm_nodes.values[j][0] == '/')
 147                 {
 148                         if(!EQUIV(new_rate, 0.0))
 149                                 local_rate = new_rate;
 150                 }
 151                 else
 152 // Search for local node and copy it to that node
 153                 if(!EQUIV(new_rate, 0.0))
 154                 {
 155                         for(int i = 0; i < renderfarm_nodes.total; i++)
 156                         {
 157                                 if(!strcmp(preferences->renderfarm_nodes.values[j], renderfarm_nodes.values[i]) &&
 158                                         preferences->renderfarm_ports.values[j] == renderfarm_ports.values[i])
 159                                 {
 160                                         renderfarm_rate.values[i] = new_rate;
 161                                         break;
 162                                 }
 163                         }
 164                 }
 165         }
 166
 167 //printf("Preferences::copy_rates_from 1 %f %f\n", local_rate, preferences->local_rate);
 168         preferences_lock->unlock();
 169 }
 170
 171 void Preferences::copy_from(Preferences *that)
 172 {
 173 // ================================= Performance ================================
 174         strcpy(index_directory, that->index_directory);
 175         index_size = that->index_size;
 176         index_count = that->index_count;
 177         use_thumbnails = that->use_thumbnails;
 178         strcpy(theme, that->theme);
 179
 180         use_tipwindow = that->use_tipwindow;
 181         scan_commercials = that->scan_commercials;
 182         android_remote = that->android_remote;
 183         android_port = that->android_port;
 184         strcpy(android_pin, that->android_pin);
 185         this->shbtn_prefs.remove_all_objects();
 186         for( int i=0; i<that->shbtn_prefs.size(); ++i )
 187                 this->shbtn_prefs.append(new ShBtnPref(*that->shbtn_prefs[i]));
 188         cache_size = that->cache_size;
 189         force_uniprocessor = that->force_uniprocessor;
 190         trap_sigsegv = that->trap_sigsegv;
 191         trap_sigintr = that->trap_sigintr;
 192         processors = that->processors;
 193         real_processors = that->real_processors;
 194         file_forking = that->file_forking;
 195         ffmpeg_early_probe = that->ffmpeg_early_probe;
 196         ffmpeg_marker_indecies = that->ffmpeg_marker_indecies;
 197         warn_indecies = that->warn_indecies;
 198         renderfarm_nodes.remove_all_objects();
 199         renderfarm_ports.remove_all();
 200         renderfarm_enabled.remove_all();
 201         renderfarm_rate.remove_all();
 202         local_rate = that->local_rate;
 203         for(int i = 0; i < that->renderfarm_nodes.size(); i++)
 204         {
 205                 add_node(that->renderfarm_nodes.get(i),
 206                         that->renderfarm_ports.get(i),
 207                         that->renderfarm_enabled.get(i),
 208                         that->renderfarm_rate.get(i));
 209         }
 210         use_renderfarm = that->use_renderfarm;
 211         renderfarm_port = that->renderfarm_port;
 212         render_preroll = that->render_preroll;
 213         brender_preroll = that->brender_preroll;
 214         renderfarm_job_count = that->renderfarm_job_count;
 215         renderfarm_vfs = that->renderfarm_vfs;
 216         strcpy(renderfarm_mountpoint, that->renderfarm_mountpoint);
 217         renderfarm_consolidate = that->renderfarm_consolidate;
 218         use_brender = that->use_brender;
 219         brender_fragment = that->brender_fragment;
 220         brender_asset->copy_from(that->brender_asset, 0);
 221
 222 // Check boundaries
 223
 224         FileSystem fs;
 225         if(strlen(index_directory))
 226         {
 227                 fs.complete_path(index_directory);
 228                 fs.add_end_slash(index_directory);
 229         }
 230
 231 //      if(strlen(global_plugin_dir))
 232 //      {
 233 //              fs.complete_path(global_plugin_dir);
 234 //              fs.add_end_slash(global_plugin_dir);
 235 //      }
 236 //
 237
 238 // Redo with the proper value of force_uniprocessor
 239         processors = calculate_processors(0);
 240         boundaries();
 241 }
 242
 243 void Preferences::boundaries()
 244 {
 245         renderfarm_job_count = MAX(renderfarm_job_count, 1);
 246         CLAMP(cache_size, MIN_CACHE_SIZE, MAX_CACHE_SIZE);
 247 }
 248
 249 Preferences& Preferences::operator=(Preferences &that)
 250 {
 251 printf("Preferences::operator=\n");
 252         copy_from(&that);
 253         return *this;
 254 }
 255
 256 void Preferences::print_channels(char *string,
 257         int *channel_positions,
 258         int channels)
 259 {
 260         char string3[BCTEXTLEN];
 261         string[0] = 0;
 262         for(int j = 0; j < channels; j++)
 263         {
 264                 sprintf(string3, "%d", channel_positions[j]);
 265                 strcat(string, string3);
 266                 if(j < channels - 1)
 267                         strcat(string, ",");
 268         }
 269 }
 270
 271 void Preferences::scan_channels(char *string,
 272         int *channel_positions,
 273         int channels)
 274 {
 275         char string2[BCTEXTLEN];
 276         int len = strlen(string);
 277         int current_channel = 0;
 278         for(int i = 0; i < len; i++)
 279         {
 280                 strcpy(string2, &string[i]);
 281                 for(int j = 0; j < BCTEXTLEN; j++)
 282                 {
 283                         if(string2[j] == ',' || string2[j] == 0)
 284                         {
 285                                 i += j;
 286                                 string2[j] = 0;
 287                                 break;
 288                         }
 289                 }
 290                 channel_positions[current_channel++] = atoi(string2);
 291                 if(current_channel >= channels) break;
 292         }
 293 }
 294
 295 int Preferences::load_defaults(BC_Hash *defaults)
 296 {
 297         char string[BCTEXTLEN];
 298
 299         use_tipwindow = defaults->get("USE_TIPWINDOW", use_tipwindow);
 300         scan_commercials = defaults->get("SCAN_COMMERCIALS", scan_commercials);
 301         android_remote = defaults->get("ANDROID_REMOTE", android_remote);
 302         android_port = defaults->get("ANDROID_PORT", android_port);
 303         defaults->get("ANDROID_PIN", android_pin);
 304         defaults->get("INDEX_DIRECTORY", index_directory);
 305         index_size = defaults->get("INDEX_SIZE", index_size);
 306         index_count = defaults->get("INDEX_COUNT", index_count);
 307         use_thumbnails = defaults->get("USE_THUMBNAILS", use_thumbnails);
 308         trap_sigsegv = defaults->get("TRAP_SIGSEGV", trap_sigsegv);
 309         trap_sigintr = defaults->get("TRAP_SIGINTR", trap_sigintr);
 310
 311 //      sprintf(global_plugin_dir, PLUGIN_DIR);
 312 //      defaults->get("GLOBAL_PLUGIN_DIR", global_plugin_dir);
 313 //      if(getenv("GLOBAL_PLUGIN_DIR"))
 314 //      {
 315 //              strcpy(global_plugin_dir, getenv("GLOBAL_PLUGIN_DIR"));
 316 //      }
 317
 318         strcpy(theme, DEFAULT_THEME);
 319         defaults->get("THEME", theme);
 320
 321         for(int i = 0; i < MAXCHANNELS; i++)
 322         {
 323                 char string2[BCTEXTLEN];
 324                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 325                 print_channels(string2,
 326                         &channel_positions[i * MAXCHANNELS],
 327                         i + 1);
 328
 329                 defaults->get(string, string2);
 330
 331                 scan_channels(string2,
 332                         &channel_positions[i * MAXCHANNELS],
 333                         i + 1);
 334         }
 335
 336         brender_asset->load_defaults(defaults,
 337                 "BRENDER_",
 338                 1,
 339                 1,
 340                 1,
 341                 0,
 342                 0);
 343
 344
 345
 346         force_uniprocessor = defaults->get("FORCE_UNIPROCESSOR", force_uniprocessor);
 347         file_forking = defaults->get("FILE_FORKING", file_forking);
 348         ffmpeg_early_probe = defaults->get("FFMPEG_EARLY_PROBE", ffmpeg_early_probe);
 349         ffmpeg_marker_indecies = defaults->get("FFMPEG_MARKER_INDECIES", ffmpeg_marker_indecies);
 350         warn_indecies = defaults->get("WARN_INDECIES", warn_indecies);
 351         use_brender = defaults->get("USE_BRENDER", use_brender);
 352         brender_fragment = defaults->get("BRENDER_FRAGMENT", brender_fragment);
 353         cache_size = defaults->get("CACHE_SIZE", cache_size);
 354         local_rate = defaults->get("LOCAL_RATE", local_rate);
 355         use_renderfarm = defaults->get("USE_RENDERFARM", use_renderfarm);
 356         renderfarm_port = defaults->get("RENDERFARM_PORT", renderfarm_port);
 357         render_preroll = defaults->get("RENDERFARM_PREROLL", render_preroll);
 358         brender_preroll = defaults->get("BRENDER_PREROLL", brender_preroll);
 359         renderfarm_job_count = defaults->get("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
 360         renderfarm_consolidate = defaults->get("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
 361 //      renderfarm_vfs = defaults->get("RENDERFARM_VFS", renderfarm_vfs);
 362         defaults->get("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
 363         int renderfarm_total = defaults->get("RENDERFARM_TOTAL", 0);
 364
 365         for(int i = 0; i < renderfarm_total; i++)
 366         {
 367                 sprintf(string, "RENDERFARM_NODE%d", i);
 368                 char result[BCTEXTLEN];
 369                 int result_port = 0;
 370                 int result_enabled = 0;
 371                 float result_rate = 0.0;
 372
 373                 result[0] = 0;
 374                 defaults->get(string, result);
 375
 376                 sprintf(string, "RENDERFARM_PORT%d", i);
 377                 result_port = defaults->get(string, renderfarm_port);
 378
 379                 sprintf(string, "RENDERFARM_ENABLED%d", i);
 380                 result_enabled = defaults->get(string, result_enabled);
 381
 382                 sprintf(string, "RENDERFARM_RATE%d", i);
 383                 result_rate = defaults->get(string, result_rate);
 384
 385                 if(result[0] != 0)
 386                 {
 387                         add_node(result, result_port, result_enabled, result_rate);
 388                 }
 389         }
 390
 391         shbtn_prefs.remove_all_objects();
 392         int shbtns_total = defaults->get("SHBTNS_TOTAL", -1);
 393         if( shbtns_total < 0 ) {
 394                 shbtn_prefs.append(new ShBtnPref("manual", "firefox file:///$CINELERRA_PATH/manual.pdf", 0));
 395                 shbtn_prefs.append(new ShBtnPref("online help", "firefox http://cinelerra.org/help.php/", 0));
 396                 shbtns_total = 0;
 397         }
 398         for( int i=0; i<shbtns_total; ++i ) {
 399                 char name[BCTEXTLEN], commands[BCTEXTLEN];
 400                 sprintf(string, "SHBTN%d_NAME", i);
 401                 defaults->get(string, name);
 402                 sprintf(string, "SHBTN%d_COMMANDS", i);
 403                 defaults->get(string, commands);
 404                 sprintf(string, "SHBTN%d_WARN", i);
 405                 int warn = defaults->get(string, 0);
 406                 shbtn_prefs.append(new ShBtnPref(name, commands, warn));
 407         }
 408
 409 // Redo with the proper value of force_uniprocessor
 410         processors = calculate_processors(0);
 411         boundaries();
 412         return 0;
 413 }
 414
 415 int Preferences::save_defaults(BC_Hash *defaults)
 416 {
 417         char string[BCTEXTLEN];
 418
 419
 420         defaults->update("USE_TIPWINDOW", use_tipwindow);
 421         defaults->update("SCAN_COMMERCIALS", scan_commercials);
 422         defaults->update("ANDROID_REMOTE", android_remote);
 423         defaults->update("ANDROID_PIN", android_pin);
 424         defaults->update("ANDROID_PORT", android_port);
 425
 426         defaults->update("CACHE_SIZE", cache_size);
 427         defaults->update("INDEX_DIRECTORY", index_directory);
 428         defaults->update("INDEX_SIZE", index_size);
 429         defaults->update("INDEX_COUNT", index_count);
 430         defaults->update("USE_THUMBNAILS", use_thumbnails);
 431         defaults->update("TRAP_SIGSEGV", trap_sigsegv);
 432         defaults->update("TRAP_SIGINTR", trap_sigintr);
 433 //      defaults->update("GLOBAL_PLUGIN_DIR", global_plugin_dir);
 434         defaults->update("THEME", theme);
 435
 436
 437         for(int i = 0; i < MAXCHANNELS; i++)
 438         {
 439                 char string2[BCTEXTLEN];
 440                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 441                 print_channels(string2, &channel_positions[i * MAXCHANNELS], i + 1);
 442                 defaults->update(string, string2);
 443         }
 444
 445         defaults->update("FORCE_UNIPROCESSOR", force_uniprocessor);
 446         defaults->update("FILE_FORKING", file_forking);
 447         defaults->update("FFMPEG_EARLY_PROBE", ffmpeg_early_probe);
 448         defaults->update("FFMPEG_MARKER_INDECIES", ffmpeg_marker_indecies);
 449         defaults->update("WARN_INDECIES", warn_indecies);
 450         brender_asset->save_defaults(defaults,
 451                 "BRENDER_",
 452                 1,
 453                 1,
 454                 1,
 455                 0,
 456                 0);
 457         defaults->update("USE_BRENDER", use_brender);
 458         defaults->update("BRENDER_FRAGMENT", brender_fragment);
 459         defaults->update("USE_RENDERFARM", use_renderfarm);
 460         defaults->update("LOCAL_RATE", local_rate);
 461         defaults->update("RENDERFARM_PORT", renderfarm_port);
 462         defaults->update("RENDERFARM_PREROLL", render_preroll);
 463         defaults->update("BRENDER_PREROLL", brender_preroll);
 464 //      defaults->update("RENDERFARM_VFS", renderfarm_vfs);
 465         defaults->update("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
 466         defaults->update("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
 467         defaults->update("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
 468         defaults->update("RENDERFARM_TOTAL", (int64_t)renderfarm_nodes.total);
 469         for(int i = 0; i < renderfarm_nodes.total; i++)
 470         {
 471                 sprintf(string, "RENDERFARM_NODE%d", i);
 472                 defaults->update(string, renderfarm_nodes.values[i]);
 473                 sprintf(string, "RENDERFARM_PORT%d", i);
 474                 defaults->update(string, renderfarm_ports.values[i]);
 475                 sprintf(string, "RENDERFARM_ENABLED%d", i);
 476                 defaults->update(string, renderfarm_enabled.values[i]);
 477                 sprintf(string, "RENDERFARM_RATE%d", i);
 478                 defaults->update(string, renderfarm_rate.values[i]);
 479         }
 480         defaults->update("SHBTNS_TOTAL", shbtn_prefs.size());
 481         for( int i=0; i<shbtn_prefs.size(); ++i ) {
 482                 ShBtnPref *pref = shbtn_prefs[i];
 483                 sprintf(string, "SHBTN%d_NAME", i);
 484                 defaults->update(string, pref->name);
 485                 sprintf(string, "SHBTN%d_COMMANDS", i);
 486                 defaults->update(string, pref->commands);
 487                 sprintf(string, "SHBTN%d_WARN", i);
 488                 defaults->update(string, pref->warn);
 489         }
 490         return 0;
 491 }
 492
 493
 494 void Preferences::add_node(const char *text, int port, int enabled, float rate)
 495 {
 496         if(text[0] == 0) return;
 497
 498         preferences_lock->lock("Preferences::add_node");
 499         char *new_item = new char[strlen(text) + 1];
 500         strcpy(new_item, text);
 501         renderfarm_nodes.append(new_item);
 502         renderfarm_ports.append(port);
 503         renderfarm_enabled.append(enabled);
 504         renderfarm_rate.append(rate);
 505         preferences_lock->unlock();
 506 }
 507
 508 void Preferences::delete_node(int number)
 509 {
 510         preferences_lock->lock("Preferences::delete_node");
 511         if(number < renderfarm_nodes.total && number >= 0)
 512         {
 513                 delete [] renderfarm_nodes.values[number];
 514                 renderfarm_nodes.remove_number(number);
 515                 renderfarm_ports.remove_number(number);
 516                 renderfarm_enabled.remove_number(number);
 517                 renderfarm_rate.remove_number(number);
 518         }
 519         preferences_lock->unlock();
 520 }
 521
 522 void Preferences::delete_nodes()
 523 {
 524         preferences_lock->lock("Preferences::delete_nodes");
 525         for(int i = 0; i < renderfarm_nodes.total; i++)
 526                 delete [] renderfarm_nodes.values[i];
 527         renderfarm_nodes.remove_all();
 528         renderfarm_ports.remove_all();
 529         renderfarm_enabled.remove_all();
 530         renderfarm_rate.remove_all();
 531         preferences_lock->unlock();
 532 }
 533
 534 void Preferences::reset_rates()
 535 {
 536         for(int i = 0; i < renderfarm_nodes.total; i++)
 537         {
 538                 renderfarm_rate.values[i] = 0.0;
 539         }
 540         local_rate = 0.0;
 541 }
 542
 543 float Preferences::get_rate(int node)
 544 {
 545         if(node < 0)
 546         {
 547                 return local_rate;
 548         }
 549         else
 550         {
 551                 int total = 0;
 552                 for(int i = 0; i < renderfarm_nodes.size(); i++)
 553                 {
 554                         if(renderfarm_enabled.get(i)) total++;
 555                         if(total == node + 1)
 556                         {
 557                                 return renderfarm_rate.get(i);
 558                         }
 559                 }
 560         }
 561
 562         return 0;
 563 }
 564
 565 void Preferences::set_rate(float rate, int node)
 566 {
 567 //printf("Preferences::set_rate %f %d\n", rate, node);
 568         if(node < 0)
 569         {
 570                 local_rate = rate;
 571         }
 572         else
 573         {
 574                 int total = 0;
 575                 for(int i = 0; i < renderfarm_nodes.size(); i++)
 576                 {
 577                         if(renderfarm_enabled.get(i)) total++;
 578                         if(total == node + 1)
 579                         {
 580                                 renderfarm_rate.set(i, rate);
 581                                 return;
 582                         }
 583                 }
 584         }
 585 }
 586
 587 float Preferences::get_avg_rate(int use_master_node)
 588 {
 589         preferences_lock->lock("Preferences::get_avg_rate");
 590         float total = 0.0;
 591         if(renderfarm_rate.total)
 592         {
 593                 int enabled = 0;
 594                 if(use_master_node)
 595                 {
 596                         if(EQUIV(local_rate, 0.0))
 597                         {
 598                                 preferences_lock->unlock();
 599                                 return 0.0;
 600                         }
 601                         else
 602                         {
 603                                 enabled++;
 604                                 total += local_rate;
 605                         }
 606                 }
 607
 608                 for(int i = 0; i < renderfarm_rate.total; i++)
 609                 {
 610                         if(renderfarm_enabled.values[i])
 611                         {
 612                                 enabled++;
 613                                 total += renderfarm_rate.values[i];
 614                                 if(EQUIV(renderfarm_rate.values[i], 0.0))
 615                                 {
 616                                         preferences_lock->unlock();
 617                                         return 0.0;
 618                                 }
 619                         }
 620                 }
 621
 622                 if(enabled)
 623                         total /= enabled;
 624                 else
 625                         total = 0.0;
 626         }
 627         preferences_lock->unlock();
 628
 629         return total;
 630 }
 631
 632 void Preferences::sort_nodes()
 633 {
 634         int done = 0;
 635
 636         while(!done)
 637         {
 638                 done = 1;
 639                 for(int i = 0; i < renderfarm_nodes.total - 1; i++)
 640                 {
 641                         if(strcmp(renderfarm_nodes.values[i], renderfarm_nodes.values[i + 1]) > 0)
 642                         {
 643                                 char *temp = renderfarm_nodes.values[i];
 644                                 int temp_port = renderfarm_ports.values[i];
 645
 646                                 renderfarm_nodes.values[i] = renderfarm_nodes.values[i + 1];
 647                                 renderfarm_nodes.values[i + 1] = temp;
 648
 649                                 renderfarm_ports.values[i] = renderfarm_ports.values[i + 1];
 650                                 renderfarm_ports.values[i + 1] = temp_port;
 651
 652                                 renderfarm_enabled.values[i] = renderfarm_enabled.values[i + 1];
 653                                 renderfarm_enabled.values[i + 1] = temp_port;
 654
 655                                 renderfarm_rate.values[i] = renderfarm_rate.values[i + 1];
 656                                 renderfarm_rate.values[i + 1] = temp_port;
 657                                 done = 0;
 658                         }
 659                 }
 660         }
 661 }
 662
 663 void Preferences::edit_node(int number,
 664         const char *new_text,
 665         int new_port,
 666         int new_enabled)
 667 {
 668         char *new_item = new char[strlen(new_text) + 1];
 669         strcpy(new_item, new_text);
 670
 671         delete [] renderfarm_nodes.values[number];
 672         renderfarm_nodes.values[number] = new_item;
 673         renderfarm_ports.values[number] = new_port;
 674         renderfarm_enabled.values[number] = new_enabled;
 675 }
 676
 677 int Preferences::get_enabled_nodes()
 678 {
 679         int result = 0;
 680         for(int i = 0; i < renderfarm_enabled.total; i++)
 681                 if(renderfarm_enabled.values[i]) result++;
 682         return result;
 683 }
 684
 685 const char* Preferences::get_node_hostname(int number)
 686 {
 687         int total = 0;
 688         for(int i = 0; i < renderfarm_nodes.total; i++)
 689         {
 690                 if(renderfarm_enabled.values[i])
 691                 {
 692                         if(total == number)
 693                                 return renderfarm_nodes.values[i];
 694                         else
 695                                 total++;
 696                 }
 697         }
 698         return "";
 699 }
 700
 701 int Preferences::get_node_port(int number)
 702 {
 703         int total = 0;
 704         for(int i = 0; i < renderfarm_ports.total; i++)
 705         {
 706                 if(renderfarm_enabled.values[i])
 707                 {
 708                         if(total == number)
 709                                 return renderfarm_ports.values[i];
 710                         else
 711                                 total++;
 712                 }
 713         }
 714         return -1;
 715 }
 716
 717 int Preferences::get_asset_file_path(Asset *asset, char *path)
 718 {
 719         strcpy(path, asset->path);
 720         int result = access(path, R_OK);
 721         if( !result && asset->format == FILE_MPEG ) {
 722                 char source_filename[BCTEXTLEN];
 723                 char index_filename[BCTEXTLEN];
 724                 IndexFile::get_index_filename(source_filename,
 725                         index_directory, index_filename,
 726                         asset->path, ".toc");
 727                 struct stat st;
 728                 if( !access(index_filename, R_OK) &&
 729                     !stat(index_filename,&st) && st.st_size > 0 )
 730                 strcpy(path, index_filename);
 731         }
 732         return result;
 733 }
 734
 735
 736 int Preferences::calculate_processors(int interactive)
 737 {
 738         if(force_uniprocessor && !interactive) return 1;
 739         return BC_WindowBase::get_resources()->machine_cpus;
 740 }
 741