use autoconf/automake for configuration
[goodguy/history.git] / 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("Features5", "firefox file:///$CINELERRA_PATH/doc/Features5.pdf", 0));
379                 shbtn_prefs.append(new ShBtnPref("Online Help", "firefox https://cinelerra-cv.org/docs.php", 0));
380                 shbtn_prefs.append(new ShBtnPref("Orignal Manual", "firefox file:///$CINELERRA_PATH/doc/cinelerra.html", 0));
381                 shbtns_total = 0;
382         }
383         for( int i=0; i<shbtns_total; ++i ) {
384                 char name[BCTEXTLEN], commands[BCTEXTLEN];
385                 sprintf(string, "SHBTN%d_NAME", i);
386                 defaults->get(string, name);
387                 sprintf(string, "SHBTN%d_COMMANDS", i);
388                 defaults->get(string, commands);
389                 sprintf(string, "SHBTN%d_WARN", i);
390                 int warn = defaults->get(string, 0);
391                 shbtn_prefs.append(new ShBtnPref(name, commands, warn));
392         }
393
394 // Redo with the proper value of force_uniprocessor
395         processors = calculate_processors(0);
396         boundaries();
397         return 0;
398 }
399
400 int Preferences::save_defaults(BC_Hash *defaults)
401 {
402         char string[BCTEXTLEN];
403
404
405         defaults->update("USE_TIPWINDOW", use_tipwindow);
406         defaults->update("SCAN_COMMERCIALS", scan_commercials);
407         defaults->update("ANDROID_REMOTE", android_remote);
408         defaults->update("ANDROID_PIN", android_pin);
409         defaults->update("ANDROID_PORT", android_port);
410
411         defaults->update("CACHE_SIZE", cache_size);
412         defaults->update("INDEX_DIRECTORY", index_directory);
413         defaults->update("INDEX_SIZE", index_size);
414         defaults->update("INDEX_COUNT", index_count);
415         defaults->update("USE_THUMBNAILS", use_thumbnails);
416         defaults->update("KEYFRAME_RETICLE", keyframe_reticle);
417         defaults->update("TRAP_SIGSEGV", trap_sigsegv);
418         defaults->update("TRAP_SIGINTR", trap_sigintr);
419 //      defaults->update("GLOBAL_PLUGIN_DIR", global_plugin_dir);
420         defaults->update("THEME", theme);
421
422
423         for(int i = 0; i < MAXCHANNELS; i++)
424         {
425                 char string2[BCTEXTLEN];
426                 sprintf(string, "CHANNEL_POSITIONS%d", i);
427                 print_channels(string2, &channel_positions[i * MAXCHANNELS], i + 1);
428                 defaults->update(string, string2);
429         }
430
431         defaults->update("FORCE_UNIPROCESSOR", force_uniprocessor);
432         defaults->update("FFMPEG_EARLY_PROBE", ffmpeg_early_probe);
433         defaults->update("FFMPEG_MARKER_INDEXES", ffmpeg_marker_indexes);
434         defaults->update("WARN_INDEXES", warn_indexes);
435         brender_asset->save_defaults(defaults,
436                 "BRENDER_",
437                 1,
438                 1,
439                 1,
440                 0,
441                 0);
442         defaults->update("USE_BRENDER", use_brender);
443         defaults->update("BRENDER_FRAGMENT", brender_fragment);
444         defaults->update("USE_RENDERFARM", use_renderfarm);
445         defaults->update("LOCAL_RATE", local_rate);
446         defaults->update("RENDERFARM_PORT", renderfarm_port);
447         defaults->update("RENDERFARM_PREROLL", render_preroll);
448         defaults->update("BRENDER_PREROLL", brender_preroll);
449 //      defaults->update("RENDERFARM_VFS", renderfarm_vfs);
450         defaults->update("RENDERFARM_MOUNTPOINT", renderfarm_mountpoint);
451         defaults->update("RENDERFARM_JOBS_COUNT", renderfarm_job_count);
452         defaults->update("RENDERFARM_CONSOLIDATE", renderfarm_consolidate);
453         defaults->update("RENDERFARM_TOTAL", (int64_t)renderfarm_nodes.total);
454         for(int i = 0; i < renderfarm_nodes.total; i++)
455         {
456                 sprintf(string, "RENDERFARM_NODE%d", i);
457                 defaults->update(string, renderfarm_nodes.values[i]);
458                 sprintf(string, "RENDERFARM_PORT%d", i);
459                 defaults->update(string, renderfarm_ports.values[i]);
460                 sprintf(string, "RENDERFARM_ENABLED%d", i);
461                 defaults->update(string, renderfarm_enabled.values[i]);
462                 sprintf(string, "RENDERFARM_RATE%d", i);
463                 defaults->update(string, renderfarm_rate.values[i]);
464         }
465         defaults->update("SHBTNS_TOTAL", shbtn_prefs.size());
466         for( int i=0; i<shbtn_prefs.size(); ++i ) {
467                 ShBtnPref *pref = shbtn_prefs[i];
468                 sprintf(string, "SHBTN%d_NAME", i);
469                 defaults->update(string, pref->name);
470                 sprintf(string, "SHBTN%d_COMMANDS", i);
471                 defaults->update(string, pref->commands);
472                 sprintf(string, "SHBTN%d_WARN", i);
473                 defaults->update(string, pref->warn);
474         }
475         return 0;
476 }
477
478
479 void Preferences::add_node(const char *text, int port, int enabled, float rate)
480 {
481         if(text[0] == 0) return;
482
483         preferences_lock->lock("Preferences::add_node");
484         char *new_item = new char[strlen(text) + 1];
485         strcpy(new_item, text);
486         renderfarm_nodes.append(new_item);
487         renderfarm_nodes.set_array_delete();
488         renderfarm_ports.append(port);
489         renderfarm_enabled.append(enabled);
490         renderfarm_rate.append(rate);
491         preferences_lock->unlock();
492 }
493
494 void Preferences::delete_node(int number)
495 {
496         preferences_lock->lock("Preferences::delete_node");
497         if(number < renderfarm_nodes.total && number >= 0)
498         {
499                 delete [] renderfarm_nodes.values[number];
500                 renderfarm_nodes.remove_number(number);
501                 renderfarm_ports.remove_number(number);
502                 renderfarm_enabled.remove_number(number);
503                 renderfarm_rate.remove_number(number);
504         }
505         preferences_lock->unlock();
506 }
507
508 void Preferences::delete_nodes()
509 {
510         preferences_lock->lock("Preferences::delete_nodes");
511         for(int i = 0; i < renderfarm_nodes.total; i++)
512                 delete [] renderfarm_nodes.values[i];
513         renderfarm_nodes.remove_all();
514         renderfarm_ports.remove_all();
515         renderfarm_enabled.remove_all();
516         renderfarm_rate.remove_all();
517         preferences_lock->unlock();
518 }
519
520 void Preferences::reset_rates()
521 {
522         for(int i = 0; i < renderfarm_nodes.total; i++)
523         {
524                 renderfarm_rate.values[i] = 0.0;
525         }
526         local_rate = 0.0;
527 }
528
529 float Preferences::get_rate(int node)
530 {
531         if(node < 0)
532         {
533                 return local_rate;
534         }
535         else
536         {
537                 int total = 0;
538                 for(int i = 0; i < renderfarm_nodes.size(); i++)
539                 {
540                         if(renderfarm_enabled.get(i)) total++;
541                         if(total == node + 1)
542                         {
543                                 return renderfarm_rate.get(i);
544                         }
545                 }
546         }
547
548         return 0;
549 }
550
551 void Preferences::set_rate(float rate, int node)
552 {
553 //printf("Preferences::set_rate %f %d\n", rate, node);
554         if(node < 0)
555         {
556                 local_rate = rate;
557         }
558         else
559         {
560                 int total = 0;
561                 for(int i = 0; i < renderfarm_nodes.size(); i++)
562                 {
563                         if(renderfarm_enabled.get(i)) total++;
564                         if(total == node + 1)
565                         {
566                                 renderfarm_rate.set(i, rate);
567                                 return;
568                         }
569                 }
570         }
571 }
572
573 float Preferences::get_avg_rate(int use_master_node)
574 {
575         preferences_lock->lock("Preferences::get_avg_rate");
576         float total = 0.0;
577         if(renderfarm_rate.total)
578         {
579                 int enabled = 0;
580                 if(use_master_node)
581                 {
582                         if(EQUIV(local_rate, 0.0))
583                         {
584                                 preferences_lock->unlock();
585                                 return 0.0;
586                         }
587                         else
588                         {
589                                 enabled++;
590                                 total += local_rate;
591                         }
592                 }
593
594                 for(int i = 0; i < renderfarm_rate.total; i++)
595                 {
596                         if(renderfarm_enabled.values[i])
597                         {
598                                 enabled++;
599                                 total += renderfarm_rate.values[i];
600                                 if(EQUIV(renderfarm_rate.values[i], 0.0))
601                                 {
602                                         preferences_lock->unlock();
603                                         return 0.0;
604                                 }
605                         }
606                 }
607
608                 if(enabled)
609                         total /= enabled;
610                 else
611                         total = 0.0;
612         }
613         preferences_lock->unlock();
614
615         return total;
616 }
617
618 void Preferences::sort_nodes()
619 {
620         int done = 0;
621
622         while(!done)
623         {
624                 done = 1;
625                 for(int i = 0; i < renderfarm_nodes.total - 1; i++)
626                 {
627                         if(strcmp(renderfarm_nodes.values[i], renderfarm_nodes.values[i + 1]) > 0)
628                         {
629                                 char *temp = renderfarm_nodes.values[i];
630                                 int temp_port = renderfarm_ports.values[i];
631
632                                 renderfarm_nodes.values[i] = renderfarm_nodes.values[i + 1];
633                                 renderfarm_nodes.values[i + 1] = temp;
634
635                                 renderfarm_ports.values[i] = renderfarm_ports.values[i + 1];
636                                 renderfarm_ports.values[i + 1] = temp_port;
637
638                                 renderfarm_enabled.values[i] = renderfarm_enabled.values[i + 1];
639                                 renderfarm_enabled.values[i + 1] = temp_port;
640
641                                 renderfarm_rate.values[i] = renderfarm_rate.values[i + 1];
642                                 renderfarm_rate.values[i + 1] = temp_port;
643                                 done = 0;
644                         }
645                 }
646         }
647 }
648
649 void Preferences::edit_node(int number,
650         const char *new_text,
651         int new_port,
652         int new_enabled)
653 {
654         char *new_item = new char[strlen(new_text) + 1];
655         strcpy(new_item, new_text);
656
657         delete [] renderfarm_nodes.values[number];
658         renderfarm_nodes.values[number] = new_item;
659         renderfarm_ports.values[number] = new_port;
660         renderfarm_enabled.values[number] = new_enabled;
661 }
662
663 int Preferences::get_enabled_nodes()
664 {
665         int result = 0;
666         for(int i = 0; i < renderfarm_enabled.total; i++)
667                 if(renderfarm_enabled.values[i]) result++;
668         return result;
669 }
670
671 const char* Preferences::get_node_hostname(int number)
672 {
673         int total = 0;
674         for(int i = 0; i < renderfarm_nodes.total; i++)
675         {
676                 if(renderfarm_enabled.values[i])
677                 {
678                         if(total == number)
679                                 return renderfarm_nodes.values[i];
680                         else
681                                 total++;
682                 }
683         }
684         return "";
685 }
686
687 int Preferences::get_node_port(int number)
688 {
689         int total = 0;
690         for(int i = 0; i < renderfarm_ports.total; i++)
691         {
692                 if(renderfarm_enabled.values[i])
693                 {
694                         if(total == number)
695                                 return renderfarm_ports.values[i];
696                         else
697                                 total++;
698                 }
699         }
700         return -1;
701 }
702
703 int Preferences::get_asset_file_path(Asset *asset, char *path)
704 {
705         strcpy(path, asset->path);
706         int result = !access(path, R_OK) ? 0 : -1;
707         if( !result && asset->format == FILE_MPEG ) {
708                 char source_filename[BCTEXTLEN], index_filename[BCTEXTLEN];
709                 IndexFile::get_index_filename(source_filename,
710                         index_directory, index_filename, asset->path, ".toc");
711                 strcpy(path, index_filename);
712                 if( access(path, R_OK) )
713                         result = 1;
714         }
715 // result = 0, asset->path/toc exist, -1 no asset, 1 no toc
716         return result;
717 }
718
719
720 int Preferences::calculate_processors(int interactive)
721 {
722         if(force_uniprocessor && !interactive) return 1;
723         return BC_WindowBase::get_resources()->machine_cpus;
724 }
725