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.h"
  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 // initial plugin path from build -DPLUGIN_DIR="..."
  58         sprintf(plugin_dir, "%s/", File::get_plugin_path());
  59         sprintf(index_directory, "%s/", File::get_config_path());
  60         if(strlen(index_directory))
  61                 fs.complete_path(index_directory);
  62         cache_size = 0x1000000;
  63         index_size = 0x400000;
  64         index_count = 500;
  65         use_thumbnails = 1;
  66         keyframe_reticle = HAIRLINE_DRAGGING;
  67         trap_sigsegv = 1;
  68         trap_sigintr = 1;
  69         theme[0] = 0;
  70         use_renderfarm = 0;
  71         force_uniprocessor = 0;
  72         renderfarm_port = DEAMON_PORT;
  73         render_preroll = 0.5;
  74         brender_preroll = 0;
  75         renderfarm_mountpoint[0] = 0;
  76         renderfarm_vfs = 0;
  77         renderfarm_job_count = 20;
  78         project_smp = processors = calculate_processors(0);
  79         real_processors = calculate_processors(1);
  80         ffmpeg_early_probe = 0;
  81         ffmpeg_marker_indexes = 1;
  82         warn_indexes = 1;
  83         warn_version = 1;
  84         popupmenu_btnup = 1;
  85         dvd_yuv420p_interlace = 0;
  86
  87 // Default brender asset
  88         brender_asset = new Asset;
  89         brender_asset->audio_data = 0;
  90         brender_asset->video_data = 1;
  91         sprintf(brender_asset->path, "/tmp/brender");
  92         brender_asset->format = FILE_JPEG_LIST;
  93         brender_asset->jpeg_quality = 80;
  94
  95         use_brender = 0;
  96         brender_fragment = 1;
  97         local_rate = 0.0;
  98
  99         use_tipwindow = 1;
 100         scan_commercials = 0;
 101
 102         android_remote = 0;
 103         android_port = 23432;
 104         strcpy(android_pin, "cinelerra");
 105
 106         for(int i = 0; i < MAXCHANNELS; i++)
 107         {
 108                 for(int j = 0; j < i + 1; j++)
 109                 {
 110                         int position = 180 - (360 * j / (i + 1));
 111                         while(position < 0) position += 360;
 112                         channel_positions[i * MAXCHANNELS + j] = position;
 113                 }
 114         }
 115 }
 116
 117 Preferences::~Preferences()
 118 {
 119         brender_asset->Garbage::remove_user();
 120         shbtn_prefs.remove_all_objects();
 121         renderfarm_nodes.remove_all_objects();
 122         delete preferences_lock;
 123 }
 124
 125 void Preferences::copy_rates_from(Preferences *preferences)
 126 {
 127         preferences_lock->lock("Preferences::copy_rates_from");
 128 // Need to match node titles in case the order changed and in case
 129 // one of the nodes in the source is the master node.
 130         local_rate = preferences->local_rate;
 131
 132         for(int j = 0;
 133                 j < preferences->renderfarm_nodes.total;
 134                 j++)
 135         {
 136                 double new_rate = preferences->renderfarm_rate.values[j];
 137 // Put in the master node
 138                 if(preferences->renderfarm_nodes.values[j][0] == '/')
 139                 {
 140                         if(!EQUIV(new_rate, 0.0))
 141                                 local_rate = new_rate;
 142                 }
 143                 else
 144 // Search for local node and copy it to that node
 145                 if(!EQUIV(new_rate, 0.0))
 146                 {
 147                         for(int i = 0; i < renderfarm_nodes.total; i++)
 148                         {
 149                                 if(!strcmp(preferences->renderfarm_nodes.values[j], renderfarm_nodes.values[i]) &&
 150                                         preferences->renderfarm_ports.values[j] == renderfarm_ports.values[i])
 151                                 {
 152                                         renderfarm_rate.values[i] = new_rate;
 153                                         break;
 154                                 }
 155                         }
 156                 }
 157         }
 158
 159 //printf("Preferences::copy_rates_from 1 %f %f\n", local_rate, preferences->local_rate);
 160         preferences_lock->unlock();
 161 }
 162
 163 void Preferences::copy_from(Preferences *that)
 164 {
 165 // ================================= Performance ================================
 166         strcpy(index_directory, that->index_directory);
 167         index_size = that->index_size;
 168         index_count = that->index_count;
 169         use_thumbnails = that->use_thumbnails;
 170         keyframe_reticle = that->keyframe_reticle;
 171         strcpy(theme, that->theme);
 172
 173         use_tipwindow = that->use_tipwindow;
 174         scan_commercials = that->scan_commercials;
 175         android_remote = that->android_remote;
 176         android_port = that->android_port;
 177         strcpy(android_pin, that->android_pin);
 178         this->shbtn_prefs.remove_all_objects();
 179         for( int i=0; i<that->shbtn_prefs.size(); ++i )
 180                 this->shbtn_prefs.append(new ShBtnPref(*that->shbtn_prefs[i]));
 181         cache_size = that->cache_size;
 182         project_smp = that->project_smp;
 183         force_uniprocessor = that->force_uniprocessor;
 184         trap_sigsegv = that->trap_sigsegv;
 185         trap_sigintr = that->trap_sigintr;
 186         processors = that->processors;
 187         real_processors = that->real_processors;
 188         ffmpeg_early_probe = that->ffmpeg_early_probe;
 189         ffmpeg_marker_indexes = that->ffmpeg_marker_indexes;
 190         warn_indexes = that->warn_indexes;
 191         warn_version = that->warn_version;
 192         popupmenu_btnup = that->popupmenu_btnup;
 193         dvd_yuv420p_interlace = that->dvd_yuv420p_interlace;
 194         renderfarm_nodes.remove_all_objects();
 195         renderfarm_ports.remove_all();
 196         renderfarm_enabled.remove_all();
 197         renderfarm_rate.remove_all();
 198         local_rate = that->local_rate;
 199         for(int i = 0; i < that->renderfarm_nodes.size(); i++)
 200         {
 201                 add_node(that->renderfarm_nodes.get(i),
 202                         that->renderfarm_ports.get(i),
 203                         that->renderfarm_enabled.get(i),
 204                         that->renderfarm_rate.get(i));
 205         }
 206         use_renderfarm = that->use_renderfarm;
 207         renderfarm_port = that->renderfarm_port;
 208         render_preroll = that->render_preroll;
 209         brender_preroll = that->brender_preroll;
 210         renderfarm_job_count = that->renderfarm_job_count;
 211         renderfarm_vfs = that->renderfarm_vfs;
 212         strcpy(renderfarm_mountpoint, that->renderfarm_mountpoint);
 213         renderfarm_consolidate = that->renderfarm_consolidate;
 214         use_brender = that->use_brender;
 215         brender_fragment = that->brender_fragment;
 216         brender_asset->copy_from(that->brender_asset, 0);
 217
 218 // Check boundaries
 219
 220         FileSystem fs;
 221         if(strlen(index_directory))
 222         {
 223                 fs.complete_path(index_directory);
 224                 fs.add_end_slash(index_directory);
 225         }
 226
 227 //      if(strlen(global_plugin_dir))
 228 //      {
 229 //              fs.complete_path(global_plugin_dir);
 230 //              fs.add_end_slash(global_plugin_dir);
 231 //      }
 232 //
 233
 234 // Redo with the proper value of force_uniprocessor
 235         processors = calculate_processors(0);
 236         boundaries();
 237 }
 238
 239 void Preferences::boundaries()
 240 {
 241         renderfarm_job_count = MAX(renderfarm_job_count, 1);
 242         CLAMP(cache_size, MIN_CACHE_SIZE, MAX_CACHE_SIZE);
 243 }
 244
 245 Preferences& Preferences::operator=(Preferences &that)
 246 {
 247 printf("Preferences::operator=\n");
 248         copy_from(&that);
 249         return *this;
 250 }
 251
 252 void Preferences::print_channels(char *string,
 253         int *channel_positions,
 254         int channels)
 255 {
 256         char string3[BCTEXTLEN];
 257         string[0] = 0;
 258         for(int j = 0; j < channels; j++)
 259         {
 260                 sprintf(string3, "%d", channel_positions[j]);
 261                 strcat(string, string3);
 262                 if(j < channels - 1)
 263                         strcat(string, ",");
 264         }
 265 }
 266
 267 void Preferences::scan_channels(char *string,
 268         int *channel_positions,
 269         int channels)
 270 {
 271         char string2[BCTEXTLEN];
 272         int len = strlen(string);
 273         int current_channel = 0;
 274         for(int i = 0; i < len; i++)
 275         {
 276                 strcpy(string2, &string[i]);
 277                 for(int j = 0; j < BCTEXTLEN; j++)
 278                 {
 279                         if(string2[j] == ',' || string2[j] == 0)
 280                         {
 281                                 i += j;
 282                                 string2[j] = 0;
 283                                 break;
 284                         }
 285                 }
 286                 channel_positions[current_channel++] = atoi(string2);
 287                 if(current_channel >= channels) break;
 288         }
 289 }
 290
 291 int Preferences::load_defaults(BC_Hash *defaults)
 292 {
 293         char string[BCTEXTLEN];
 294
 295         use_tipwindow = defaults->get("USE_TIPWINDOW", use_tipwindow);
 296         scan_commercials = defaults->get("SCAN_COMMERCIALS", scan_commercials);
 297         android_remote = defaults->get("ANDROID_REMOTE", android_remote);
 298         android_port = defaults->get("ANDROID_PORT", android_port);
 299         defaults->get("ANDROID_PIN", android_pin);
 300         defaults->get("INDEX_DIRECTORY", index_directory);
 301         index_size = defaults->get("INDEX_SIZE", index_size);
 302         index_count = defaults->get("INDEX_COUNT", index_count);
 303         use_thumbnails = defaults->get("USE_THUMBNAILS", use_thumbnails);
 304         keyframe_reticle = defaults->get("KEYFRAME_RETICLE", keyframe_reticle);
 305         trap_sigsegv = defaults->get("TRAP_SIGSEGV", trap_sigsegv);
 306         trap_sigintr = defaults->get("TRAP_SIGINTR", trap_sigintr);
 307
 308         strcpy(theme, DEFAULT_THEME);
 309         defaults->get("THEME", theme);
 310
 311         for(int i = 0; i < MAXCHANNELS; i++)
 312         {
 313                 char string2[BCTEXTLEN];
 314                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 315                 print_channels(string2,
 316                         &channel_positions[i * MAXCHANNELS],
 317                         i + 1);
 318
 319                 defaults->get(string, string2);
 320
 321                 scan_channels(string2,
 322                         &channel_positions[i * MAXCHANNELS],
 323                         i + 1);
 324         }
 325
 326         brender_asset->load_defaults(defaults,
 327                 "BRENDER_",
 328                 1,
 329                 1,
 330                 1,
 331                 0,
 332                 0);
 333
 334
 335
 336         project_smp = defaults->get("PROJECT_SMP", project_smp);
 337         force_uniprocessor = defaults->get("FORCE_UNIPROCESSOR", force_uniprocessor);
 338         ffmpeg_early_probe = defaults->get("FFMPEG_EARLY_PROBE", ffmpeg_early_probe);
 339         ffmpeg_marker_indexes = defaults->get("FFMPEG_MARKER_INDEXES", ffmpeg_marker_indexes);
 340         warn_indexes = defaults->get("WARN_INDEXES", warn_indexes);
 341         warn_version = defaults->get("WARN_VERSION", warn_version);
 342         popupmenu_btnup = defaults->get("POPUPMENU_BTNUP", popupmenu_btnup);
 343         dvd_yuv420p_interlace = defaults->get("DVD_YUV420P_INTERLACE", dvd_yuv420p_interlace);
 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         shbtn_prefs.remove_all_objects();
 385         int shbtns_total = defaults->get("SHBTNS_TOTAL", -1);
 386         if( shbtns_total < 0 ) {
 387                 shbtn_prefs.append(new ShBtnPref("Features5", "firefox file://$CIN_DAT/doc/Features5.pdf", 0));
 388                 shbtn_prefs.append(new ShBtnPref("Online Help", "firefox https://cinelerra-cv.org/docs.php", 0));
 389                 shbtn_prefs.append(new ShBtnPref("Orignal Manual", "firefox file://$CIN_DAT/doc/cinelerra.html", 0));
 390                 shbtns_total = 0;
 391         }
 392         for( int i=0; i<shbtns_total; ++i ) {
 393                 char name[BCTEXTLEN], commands[BCTEXTLEN];
 394                 sprintf(string, "SHBTN%d_NAME", i);
 395                 defaults->get(string, name);
 396                 sprintf(string, "SHBTN%d_COMMANDS", i);
 397                 defaults->get(string, commands);
 398                 sprintf(string, "SHBTN%d_WARN", i);
 399                 int warn = defaults->get(string, 0);
 400                 shbtn_prefs.append(new ShBtnPref(name, commands, warn));
 401         }
 402
 403 // Redo with the proper value of force_uniprocessor
 404         processors = calculate_processors(0);
 405         boundaries();
 406         return 0;
 407 }
 408
 409 int Preferences::save_defaults(BC_Hash *defaults)
 410 {
 411         char string[BCTEXTLEN];
 412
 413
 414         defaults->update("USE_TIPWINDOW", use_tipwindow);
 415         defaults->update("SCAN_COMMERCIALS", scan_commercials);
 416         defaults->update("ANDROID_REMOTE", android_remote);
 417         defaults->update("ANDROID_PIN", android_pin);
 418         defaults->update("ANDROID_PORT", android_port);
 419
 420         defaults->update("CACHE_SIZE", cache_size);
 421         defaults->update("INDEX_DIRECTORY", index_directory);
 422         defaults->update("INDEX_SIZE", index_size);
 423         defaults->update("INDEX_COUNT", index_count);
 424         defaults->update("USE_THUMBNAILS", use_thumbnails);
 425         defaults->update("KEYFRAME_RETICLE", keyframe_reticle);
 426         defaults->update("TRAP_SIGSEGV", trap_sigsegv);
 427         defaults->update("TRAP_SIGINTR", trap_sigintr);
 428 //      defaults->update("GLOBAL_PLUGIN_DIR", global_plugin_dir);
 429         defaults->update("THEME", theme);
 430
 431
 432         for(int i = 0; i < MAXCHANNELS; i++)
 433         {
 434                 char string2[BCTEXTLEN];
 435                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 436                 print_channels(string2, &channel_positions[i * MAXCHANNELS], i + 1);
 437                 defaults->update(string, string2);
 438         }
 439
 440         defaults->update("PROJECT_SMP", project_smp);
 441         defaults->update("FORCE_UNIPROCESSOR", force_uniprocessor);
 442         defaults->update("FFMPEG_EARLY_PROBE", ffmpeg_early_probe);
 443         defaults->update("FFMPEG_MARKER_INDEXES", ffmpeg_marker_indexes);
 444         defaults->update("WARN_INDEXES", warn_indexes);
 445         defaults->update("WARN_VERSION", warn_version);
 446         defaults->update("POPUPMENU_BTNUP", popupmenu_btnup);
 447         defaults->update("DVD_YUV420P_INTERLACE", dvd_yuv420p_interlace);
 448         brender_asset->save_defaults(defaults,
 449                 "BRENDER_",
 450                 1,
 451                 1,
 452                 1,
 453                 0,
 454                 0);
 455         defaults->update("USE_BRENDER", use_brender);
 456         defaults->update("BRENDER_FRAGMENT", brender_fragment);
 457         defaults->update("USE_RENDERFARM", use_renderfarm);
 458         defaults->update("LOCAL_RATE", local_rate);
 459         defaults->update("RENDERFARM_PORT", renderfarm_port);
 460         defaults->update("RENDERFARM_PREROLL", render_preroll);
 461         defaults->update("BRENDER_PREROLL", brender_preroll);
 462 //      defaults->update("RENDERFARM_VFS", renderfarm_vfs);
 463         defaults->update("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
 464         defaults->update("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
 465         defaults->update("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
 466         defaults->update("RENDERFARM_TOTAL", (int64_t)renderfarm_nodes.total);
 467         for(int i = 0; i < renderfarm_nodes.total; i++)
 468         {
 469                 sprintf(string, "RENDERFARM_NODE%d", i);
 470                 defaults->update(string, renderfarm_nodes.values[i]);
 471                 sprintf(string, "RENDERFARM_PORT%d", i);
 472                 defaults->update(string, renderfarm_ports.values[i]);
 473                 sprintf(string, "RENDERFARM_ENABLED%d", i);
 474                 defaults->update(string, renderfarm_enabled.values[i]);
 475                 sprintf(string, "RENDERFARM_RATE%d", i);
 476                 defaults->update(string, renderfarm_rate.values[i]);
 477         }
 478         defaults->update("SHBTNS_TOTAL", shbtn_prefs.size());
 479         for( int i=0; i<shbtn_prefs.size(); ++i ) {
 480                 ShBtnPref *pref = shbtn_prefs[i];
 481                 sprintf(string, "SHBTN%d_NAME", i);
 482                 defaults->update(string, pref->name);
 483                 sprintf(string, "SHBTN%d_COMMANDS", i);
 484                 defaults->update(string, pref->commands);
 485                 sprintf(string, "SHBTN%d_WARN", i);
 486                 defaults->update(string, pref->warn);
 487         }
 488         return 0;
 489 }
 490
 491
 492 void Preferences::add_node(const char *text, int port, int enabled, float rate)
 493 {
 494         if(text[0] == 0) return;
 495
 496         preferences_lock->lock("Preferences::add_node");
 497         char *new_item = new char[strlen(text) + 1];
 498         strcpy(new_item, text);
 499         renderfarm_nodes.append(new_item);
 500         renderfarm_nodes.set_array_delete();
 501         renderfarm_ports.append(port);
 502         renderfarm_enabled.append(enabled);
 503         renderfarm_rate.append(rate);
 504         preferences_lock->unlock();
 505 }
 506
 507 void Preferences::delete_node(int number)
 508 {
 509         preferences_lock->lock("Preferences::delete_node");
 510         if(number < renderfarm_nodes.total && number >= 0)
 511         {
 512                 delete [] renderfarm_nodes.values[number];
 513                 renderfarm_nodes.remove_number(number);
 514                 renderfarm_ports.remove_number(number);
 515                 renderfarm_enabled.remove_number(number);
 516                 renderfarm_rate.remove_number(number);
 517         }
 518         preferences_lock->unlock();
 519 }
 520
 521 void Preferences::delete_nodes()
 522 {
 523         preferences_lock->lock("Preferences::delete_nodes");
 524         for(int i = 0; i < renderfarm_nodes.total; i++)
 525                 delete [] renderfarm_nodes.values[i];
 526         renderfarm_nodes.remove_all();
 527         renderfarm_ports.remove_all();
 528         renderfarm_enabled.remove_all();
 529         renderfarm_rate.remove_all();
 530         preferences_lock->unlock();
 531 }
 532
 533 void Preferences::reset_rates()
 534 {
 535         for(int i = 0; i < renderfarm_nodes.total; i++)
 536         {
 537                 renderfarm_rate.values[i] = 0.0;
 538         }
 539         local_rate = 0.0;
 540 }
 541
 542 float Preferences::get_rate(int node)
 543 {
 544         if(node < 0)
 545         {
 546                 return local_rate;
 547         }
 548         else
 549         {
 550                 int total = 0;
 551                 for(int i = 0; i < renderfarm_nodes.size(); i++)
 552                 {
 553                         if(renderfarm_enabled.get(i)) total++;
 554                         if(total == node + 1)
 555                         {
 556                                 return renderfarm_rate.get(i);
 557                         }
 558                 }
 559         }
 560
 561         return 0;
 562 }
 563
 564 void Preferences::set_rate(float rate, int node)
 565 {
 566 //printf("Preferences::set_rate %f %d\n", rate, node);
 567         if(node < 0)
 568         {
 569                 local_rate = rate;
 570         }
 571         else
 572         {
 573                 int total = 0;
 574                 for(int i = 0; i < renderfarm_nodes.size(); i++)
 575                 {
 576                         if(renderfarm_enabled.get(i)) total++;
 577                         if(total == node + 1)
 578                         {
 579                                 renderfarm_rate.set(i, rate);
 580                                 return;
 581                         }
 582                 }
 583         }
 584 }
 585
 586 float Preferences::get_avg_rate(int use_master_node)
 587 {
 588         preferences_lock->lock("Preferences::get_avg_rate");
 589         float total = 0.0;
 590         if(renderfarm_rate.total)
 591         {
 592                 int enabled = 0;
 593                 if(use_master_node)
 594                 {
 595                         if(EQUIV(local_rate, 0.0))
 596                         {
 597                                 preferences_lock->unlock();
 598                                 return 0.0;
 599                         }
 600                         else
 601                         {
 602                                 enabled++;
 603                                 total += local_rate;
 604                         }
 605                 }
 606
 607                 for(int i = 0; i < renderfarm_rate.total; i++)
 608                 {
 609                         if(renderfarm_enabled.values[i])
 610                         {
 611                                 enabled++;
 612                                 total += renderfarm_rate.values[i];
 613                                 if(EQUIV(renderfarm_rate.values[i], 0.0))
 614                                 {
 615                                         preferences_lock->unlock();
 616                                         return 0.0;
 617                                 }
 618                         }
 619                 }
 620
 621                 if(enabled)
 622                         total /= enabled;
 623                 else
 624                         total = 0.0;
 625         }
 626         preferences_lock->unlock();
 627
 628         return total;
 629 }
 630
 631 void Preferences::sort_nodes()
 632 {
 633         int done = 0;
 634
 635         while(!done)
 636         {
 637                 done = 1;
 638                 for(int i = 0; i < renderfarm_nodes.total - 1; i++)
 639                 {
 640                         if(strcmp(renderfarm_nodes.values[i], renderfarm_nodes.values[i + 1]) > 0)
 641                         {
 642                                 char *temp = renderfarm_nodes.values[i];
 643                                 int temp_port = renderfarm_ports.values[i];
 644
 645                                 renderfarm_nodes.values[i] = renderfarm_nodes.values[i + 1];
 646                                 renderfarm_nodes.values[i + 1] = temp;
 647
 648                                 renderfarm_ports.values[i] = renderfarm_ports.values[i + 1];
 649                                 renderfarm_ports.values[i + 1] = temp_port;
 650
 651                                 renderfarm_enabled.values[i] = renderfarm_enabled.values[i + 1];
 652                                 renderfarm_enabled.values[i + 1] = temp_port;
 653
 654                                 renderfarm_rate.values[i] = renderfarm_rate.values[i + 1];
 655                                 renderfarm_rate.values[i + 1] = temp_port;
 656                                 done = 0;
 657                         }
 658                 }
 659         }
 660 }
 661
 662 void Preferences::edit_node(int number,
 663         const char *new_text,
 664         int new_port,
 665         int new_enabled)
 666 {
 667         char *new_item = new char[strlen(new_text) + 1];
 668         strcpy(new_item, new_text);
 669
 670         delete [] renderfarm_nodes.values[number];
 671         renderfarm_nodes.values[number] = new_item;
 672         renderfarm_ports.values[number] = new_port;
 673         renderfarm_enabled.values[number] = new_enabled;
 674 }
 675
 676 int Preferences::get_enabled_nodes()
 677 {
 678         int result = 0;
 679         for(int i = 0; i < renderfarm_enabled.total; i++)
 680                 if(renderfarm_enabled.values[i]) result++;
 681         return result;
 682 }
 683
 684 const char* Preferences::get_node_hostname(int number)
 685 {
 686         int total = 0;
 687         for(int i = 0; i < renderfarm_nodes.total; i++)
 688         {
 689                 if(renderfarm_enabled.values[i])
 690                 {
 691                         if(total == number)
 692                                 return renderfarm_nodes.values[i];
 693                         else
 694                                 total++;
 695                 }
 696         }
 697         return "";
 698 }
 699
 700 int Preferences::get_node_port(int number)
 701 {
 702         int total = 0;
 703         for(int i = 0; i < renderfarm_ports.total; i++)
 704         {
 705                 if(renderfarm_enabled.values[i])
 706                 {
 707                         if(total == number)
 708                                 return renderfarm_ports.values[i];
 709                         else
 710                                 total++;
 711                 }
 712         }
 713         return -1;
 714 }
 715
 716 int Preferences::get_asset_file_path(Asset *asset, char *path)
 717 {
 718         strcpy(path, asset->path);
 719         int result = !access(path, R_OK) ? 0 : -1;
 720         if( !result && ( asset->format == FILE_MPEG ||
 721                 asset->format == FILE_VMPEG || asset->format == FILE_AMPEG ) ) {
 722                 char source_filename[BCTEXTLEN], index_filename[BCTEXTLEN];
 723                 IndexFile::get_index_filename(source_filename,
 724                         index_directory, index_filename, asset->path, ".toc");
 725                 strcpy(path, index_filename);
 726                 if( access(path, R_OK) )
 727                         result = 1;
 728         }
 729 // result = 0, asset->path/toc exist, -1 no asset, 1 no toc
 730         return result;
 731 }
 732
 733
 734 int Preferences::calculate_processors(int interactive)
 735 {
 736         if(force_uniprocessor && !interactive) return 1;
 737         return BC_WindowBase::get_resources()->machine_cpus;
 738 }
 739