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         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         force_uniprocessor = that->force_uniprocessor;
 183         trap_sigsegv = that->trap_sigsegv;
 184         trap_sigintr = that->trap_sigintr;
 185         processors = that->processors;
 186         real_processors = that->real_processors;
 187         ffmpeg_early_probe = that->ffmpeg_early_probe;
 188         ffmpeg_marker_indexes = that->ffmpeg_marker_indexes;
 189         warn_indexes = that->warn_indexes;
 190         warn_version = that->warn_version;
 191         popupmenu_btnup = that->popupmenu_btnup;
 192         dvd_yuv420p_interlace = that->dvd_yuv420p_interlace;
 193         renderfarm_nodes.remove_all_objects();
 194         renderfarm_ports.remove_all();
 195         renderfarm_enabled.remove_all();
 196         renderfarm_rate.remove_all();
 197         local_rate = that->local_rate;
 198         for(int i = 0; i < that->renderfarm_nodes.size(); i++)
 199         {
 200                 add_node(that->renderfarm_nodes.get(i),
 201                         that->renderfarm_ports.get(i),
 202                         that->renderfarm_enabled.get(i),
 203                         that->renderfarm_rate.get(i));
 204         }
 205         use_renderfarm = that->use_renderfarm;
 206         renderfarm_port = that->renderfarm_port;
 207         render_preroll = that->render_preroll;
 208         brender_preroll = that->brender_preroll;
 209         renderfarm_job_count = that->renderfarm_job_count;
 210         renderfarm_vfs = that->renderfarm_vfs;
 211         strcpy(renderfarm_mountpoint, that->renderfarm_mountpoint);
 212         renderfarm_consolidate = that->renderfarm_consolidate;
 213         use_brender = that->use_brender;
 214         brender_fragment = that->brender_fragment;
 215         brender_asset->copy_from(that->brender_asset, 0);
 216
 217 // Check boundaries
 218
 219         FileSystem fs;
 220         if(strlen(index_directory))
 221         {
 222                 fs.complete_path(index_directory);
 223                 fs.add_end_slash(index_directory);
 224         }
 225
 226 //      if(strlen(global_plugin_dir))
 227 //      {
 228 //              fs.complete_path(global_plugin_dir);
 229 //              fs.add_end_slash(global_plugin_dir);
 230 //      }
 231 //
 232
 233 // Redo with the proper value of force_uniprocessor
 234         processors = calculate_processors(0);
 235         boundaries();
 236 }
 237
 238 void Preferences::boundaries()
 239 {
 240         renderfarm_job_count = MAX(renderfarm_job_count, 1);
 241         CLAMP(cache_size, MIN_CACHE_SIZE, MAX_CACHE_SIZE);
 242 }
 243
 244 Preferences& Preferences::operator=(Preferences &that)
 245 {
 246 printf("Preferences::operator=\n");
 247         copy_from(&that);
 248         return *this;
 249 }
 250
 251 void Preferences::print_channels(char *string,
 252         int *channel_positions,
 253         int channels)
 254 {
 255         char string3[BCTEXTLEN];
 256         string[0] = 0;
 257         for(int j = 0; j < channels; j++)
 258         {
 259                 sprintf(string3, "%d", channel_positions[j]);
 260                 strcat(string, string3);
 261                 if(j < channels - 1)
 262                         strcat(string, ",");
 263         }
 264 }
 265
 266 void Preferences::scan_channels(char *string,
 267         int *channel_positions,
 268         int channels)
 269 {
 270         char string2[BCTEXTLEN];
 271         int len = strlen(string);
 272         int current_channel = 0;
 273         for(int i = 0; i < len; i++)
 274         {
 275                 strcpy(string2, &string[i]);
 276                 for(int j = 0; j < BCTEXTLEN; j++)
 277                 {
 278                         if(string2[j] == ',' || string2[j] == 0)
 279                         {
 280                                 i += j;
 281                                 string2[j] = 0;
 282                                 break;
 283                         }
 284                 }
 285                 channel_positions[current_channel++] = atoi(string2);
 286                 if(current_channel >= channels) break;
 287         }
 288 }
 289
 290 int Preferences::load_defaults(BC_Hash *defaults)
 291 {
 292         char string[BCTEXTLEN];
 293
 294         use_tipwindow = defaults->get("USE_TIPWINDOW", use_tipwindow);
 295         scan_commercials = defaults->get("SCAN_COMMERCIALS", scan_commercials);
 296         android_remote = defaults->get("ANDROID_REMOTE", android_remote);
 297         android_port = defaults->get("ANDROID_PORT", android_port);
 298         defaults->get("ANDROID_PIN", android_pin);
 299         defaults->get("INDEX_DIRECTORY", index_directory);
 300         index_size = defaults->get("INDEX_SIZE", index_size);
 301         index_count = defaults->get("INDEX_COUNT", index_count);
 302         use_thumbnails = defaults->get("USE_THUMBNAILS", use_thumbnails);
 303         keyframe_reticle = defaults->get("KEYFRAME_RETICLE", keyframe_reticle);
 304         trap_sigsegv = defaults->get("TRAP_SIGSEGV", trap_sigsegv);
 305         trap_sigintr = defaults->get("TRAP_SIGINTR", trap_sigintr);
 306
 307         strcpy(theme, DEFAULT_THEME);
 308         defaults->get("THEME", theme);
 309
 310         for(int i = 0; i < MAXCHANNELS; i++)
 311         {
 312                 char string2[BCTEXTLEN];
 313                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 314                 print_channels(string2,
 315                         &channel_positions[i * MAXCHANNELS],
 316                         i + 1);
 317
 318                 defaults->get(string, string2);
 319
 320                 scan_channels(string2,
 321                         &channel_positions[i * MAXCHANNELS],
 322                         i + 1);
 323         }
 324
 325         brender_asset->load_defaults(defaults,
 326                 "BRENDER_",
 327                 1,
 328                 1,
 329                 1,
 330                 0,
 331                 0);
 332
 333
 334
 335         force_uniprocessor = defaults->get("FORCE_UNIPROCESSOR", force_uniprocessor);
 336         ffmpeg_early_probe = defaults->get("FFMPEG_EARLY_PROBE", ffmpeg_early_probe);
 337         ffmpeg_marker_indexes = defaults->get("FFMPEG_MARKER_INDEXES", ffmpeg_marker_indexes);
 338         warn_indexes = defaults->get("WARN_INDEXES", warn_indexes);
 339         warn_version = defaults->get("WARN_VERSION", warn_version);
 340         popupmenu_btnup = defaults->get("POPUPMENU_BTNUP", popupmenu_btnup);
 341         dvd_yuv420p_interlace = defaults->get("DVD_YUV420P_INTERLACE", dvd_yuv420p_interlace);
 342         use_brender = defaults->get("USE_BRENDER", use_brender);
 343         brender_fragment = defaults->get("BRENDER_FRAGMENT", brender_fragment);
 344         cache_size = defaults->get("CACHE_SIZE", cache_size);
 345         local_rate = defaults->get("LOCAL_RATE", local_rate);
 346         use_renderfarm = defaults->get("USE_RENDERFARM", use_renderfarm);
 347         renderfarm_port = defaults->get("RENDERFARM_PORT", renderfarm_port);
 348         render_preroll = defaults->get("RENDERFARM_PREROLL", render_preroll);
 349         brender_preroll = defaults->get("BRENDER_PREROLL", brender_preroll);
 350         renderfarm_job_count = defaults->get("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
 351         renderfarm_consolidate = defaults->get("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
 352 //      renderfarm_vfs = defaults->get("RENDERFARM_VFS", renderfarm_vfs);
 353         defaults->get("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
 354         int renderfarm_total = defaults->get("RENDERFARM_TOTAL", 0);
 355
 356         for(int i = 0; i < renderfarm_total; i++)
 357         {
 358                 sprintf(string, "RENDERFARM_NODE%d", i);
 359                 char result[BCTEXTLEN];
 360                 int result_port = 0;
 361                 int result_enabled = 0;
 362                 float result_rate = 0.0;
 363
 364                 result[0] = 0;
 365                 defaults->get(string, result);
 366
 367                 sprintf(string, "RENDERFARM_PORT%d", i);
 368                 result_port = defaults->get(string, renderfarm_port);
 369
 370                 sprintf(string, "RENDERFARM_ENABLED%d", i);
 371                 result_enabled = defaults->get(string, result_enabled);
 372
 373                 sprintf(string, "RENDERFARM_RATE%d", i);
 374                 result_rate = defaults->get(string, result_rate);
 375
 376                 if(result[0] != 0)
 377                 {
 378                         add_node(result, result_port, result_enabled, result_rate);
 379                 }
 380         }
 381
 382         shbtn_prefs.remove_all_objects();
 383         int shbtns_total = defaults->get("SHBTNS_TOTAL", -1);
 384         if( shbtns_total < 0 ) {
 385                 shbtn_prefs.append(new ShBtnPref("Features5", "firefox file://$CIN_DAT/doc/Features5.pdf", 0));
 386                 shbtn_prefs.append(new ShBtnPref("Online Help", "firefox https://cinelerra-cv.org/docs.php", 0));
 387                 shbtn_prefs.append(new ShBtnPref("Orignal Manual", "firefox file://$CIN_DAT/doc/cinelerra.html", 0));
 388                 shbtns_total = 0;
 389         }
 390         for( int i=0; i<shbtns_total; ++i ) {
 391                 char name[BCTEXTLEN], commands[BCTEXTLEN];
 392                 sprintf(string, "SHBTN%d_NAME", i);
 393                 defaults->get(string, name);
 394                 sprintf(string, "SHBTN%d_COMMANDS", i);
 395                 defaults->get(string, commands);
 396                 sprintf(string, "SHBTN%d_WARN", i);
 397                 int warn = defaults->get(string, 0);
 398                 shbtn_prefs.append(new ShBtnPref(name, commands, warn));
 399         }
 400
 401 // Redo with the proper value of force_uniprocessor
 402         processors = calculate_processors(0);
 403         boundaries();
 404         return 0;
 405 }
 406
 407 int Preferences::save_defaults(BC_Hash *defaults)
 408 {
 409         char string[BCTEXTLEN];
 410
 411
 412         defaults->update("USE_TIPWINDOW", use_tipwindow);
 413         defaults->update("SCAN_COMMERCIALS", scan_commercials);
 414         defaults->update("ANDROID_REMOTE", android_remote);
 415         defaults->update("ANDROID_PIN", android_pin);
 416         defaults->update("ANDROID_PORT", android_port);
 417
 418         defaults->update("CACHE_SIZE", cache_size);
 419         defaults->update("INDEX_DIRECTORY", index_directory);
 420         defaults->update("INDEX_SIZE", index_size);
 421         defaults->update("INDEX_COUNT", index_count);
 422         defaults->update("USE_THUMBNAILS", use_thumbnails);
 423         defaults->update("KEYFRAME_RETICLE", keyframe_reticle);
 424         defaults->update("TRAP_SIGSEGV", trap_sigsegv);
 425         defaults->update("TRAP_SIGINTR", trap_sigintr);
 426 //      defaults->update("GLOBAL_PLUGIN_DIR", global_plugin_dir);
 427         defaults->update("THEME", theme);
 428
 429
 430         for(int i = 0; i < MAXCHANNELS; i++)
 431         {
 432                 char string2[BCTEXTLEN];
 433                 sprintf(string, "CHANNEL_POSITIONS%d", i);
 434                 print_channels(string2, &channel_positions[i * MAXCHANNELS], i + 1);
 435                 defaults->update(string, string2);
 436         }
 437
 438         defaults->update("FORCE_UNIPROCESSOR", force_uniprocessor);
 439         defaults->update("FFMPEG_EARLY_PROBE", ffmpeg_early_probe);
 440         defaults->update("FFMPEG_MARKER_INDEXES", ffmpeg_marker_indexes);
 441         defaults->update("WARN_INDEXES", warn_indexes);
 442         defaults->update("WARN_VERSION", warn_version);
 443         defaults->update("POPUPMENU_BTNUP", popupmenu_btnup);
 444         defaults->update("DVD_YUV420P_INTERLACE", dvd_yuv420p_interlace);
 445         brender_asset->save_defaults(defaults,
 446                 "BRENDER_",
 447                 1,
 448                 1,
 449                 1,
 450                 0,
 451                 0);
 452         defaults->update("USE_BRENDER", use_brender);
 453         defaults->update("BRENDER_FRAGMENT", brender_fragment);
 454         defaults->update("USE_RENDERFARM", use_renderfarm);
 455         defaults->update("LOCAL_RATE", local_rate);
 456         defaults->update("RENDERFARM_PORT", renderfarm_port);
 457         defaults->update("RENDERFARM_PREROLL", render_preroll);
 458         defaults->update("BRENDER_PREROLL", brender_preroll);
 459 //      defaults->update("RENDERFARM_VFS", renderfarm_vfs);
 460         defaults->update("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
 461         defaults->update("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
 462         defaults->update("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
 463         defaults->update("RENDERFARM_TOTAL", (int64_t)renderfarm_nodes.total);
 464         for(int i = 0; i < renderfarm_nodes.total; i++)
 465         {
 466                 sprintf(string, "RENDERFARM_NODE%d", i);
 467                 defaults->update(string, renderfarm_nodes.values[i]);
 468                 sprintf(string, "RENDERFARM_PORT%d", i);
 469                 defaults->update(string, renderfarm_ports.values[i]);
 470                 sprintf(string, "RENDERFARM_ENABLED%d", i);
 471                 defaults->update(string, renderfarm_enabled.values[i]);
 472                 sprintf(string, "RENDERFARM_RATE%d", i);
 473                 defaults->update(string, renderfarm_rate.values[i]);
 474         }
 475         defaults->update("SHBTNS_TOTAL", shbtn_prefs.size());
 476         for( int i=0; i<shbtn_prefs.size(); ++i ) {
 477                 ShBtnPref *pref = shbtn_prefs[i];
 478                 sprintf(string, "SHBTN%d_NAME", i);
 479                 defaults->update(string, pref->name);
 480                 sprintf(string, "SHBTN%d_COMMANDS", i);
 481                 defaults->update(string, pref->commands);
 482                 sprintf(string, "SHBTN%d_WARN", i);
 483                 defaults->update(string, pref->warn);
 484         }
 485         return 0;
 486 }
 487
 488
 489 void Preferences::add_node(const char *text, int port, int enabled, float rate)
 490 {
 491         if(text[0] == 0) return;
 492
 493         preferences_lock->lock("Preferences::add_node");
 494         char *new_item = new char[strlen(text) + 1];
 495         strcpy(new_item, text);
 496         renderfarm_nodes.append(new_item);
 497         renderfarm_nodes.set_array_delete();
 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) ? 0 : -1;
 717         if( !result && ( asset->format == FILE_MPEG ||
 718                 asset->format == FILE_VMPEG || asset->format == FILE_AMPEG ) ) {
 719                 char source_filename[BCTEXTLEN], index_filename[BCTEXTLEN];
 720                 IndexFile::get_index_filename(source_filename,
 721                         index_directory, index_filename, asset->path, ".toc");
 722                 strcpy(path, index_filename);
 723                 if( access(path, R_OK) )
 724                         result = 1;
 725         }
 726 // result = 0, asset->path/toc exist, -1 no asset, 1 no toc
 727         return result;
 728 }
 729
 730
 731 int Preferences::calculate_processors(int interactive)
 732 {
 733         if(force_uniprocessor && !interactive) return 1;
 734         return BC_WindowBase::get_resources()->machine_cpus;
 735 }
 736