cinelerra-5.1/cinelerra/pluginset.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 "edl.h"
  23 #include "edlsession.h"
  24 #include "filexml.h"
  25 #include "keyframe.h"
  26 #include "keyframes.h"
  27 #include "plugin.h"
  28 #include "pluginautos.h"
  29 #include "pluginset.h"
  30 #include "track.h"
  31 #include "transportque.inc"
  32
  33 #include <string.h>
  34
  35 PluginSet::PluginSet(EDL *edl, Track *track)
  36  : Edits(edl, track)
  37 {
  38         record = 1;
  39 }
  40
  41 PluginSet::~PluginSet()
  42 {
  43         while(last) delete last;
  44 }
  45
  46
  47 PluginSet& PluginSet::operator=(PluginSet& plugins)
  48 {
  49 printf("PluginSet::operator= 1\n");
  50         copy_from(&plugins);
  51         return *this;
  52 }
  53
  54 void PluginSet::copy_from(PluginSet *src)
  55 {
  56         while(last) delete last;
  57         for(Plugin *current = (Plugin*)src->first; current; current = (Plugin*)NEXT)
  58         {
  59                 Plugin *new_plugin;
  60                 append(new_plugin = (Plugin*)create_edit());
  61                 new_plugin->copy_from(current);
  62         }
  63         this->record = src->record;
  64 }
  65
  66 Plugin* PluginSet::get_first_plugin()
  67 {
  68 // Called when a new pluginset is added.
  69 // Get first non-silence plugin in the plugin set.
  70         for(Plugin *current = (Plugin*)first; current; current = (Plugin*)NEXT)
  71         {
  72                 if(current && current->plugin_type != PLUGIN_NONE)
  73                 {
  74                         return current;
  75                 }
  76         }
  77         return 0;
  78 }
  79
  80 int64_t PluginSet::plugin_change_duration(int64_t input_position,
  81         int64_t input_length,
  82         int reverse)
  83 {
  84         int result = input_length;
  85         Edit *current;
  86
  87         if(reverse)
  88         {
  89                 int input_start = input_position - input_length;
  90                 for(current = last; current; current = PREVIOUS)
  91                 {
  92                         int start = current->startproject;
  93                         int end = start + current->length;
  94                         if(end > input_start && end < input_position)
  95                         {
  96                                 result = input_position - end;
  97                                 return result;
  98                         }
  99                         else
 100                         if(start > input_start && start < input_position)
 101                         {
 102                                 result = input_position - start;
 103                                 return result;
 104                         }
 105                 }
 106         }
 107         else
 108         {
 109                 int input_end = input_position + input_length;
 110                 for(current = first; current; current = NEXT)
 111                 {
 112                         int start = current->startproject;
 113                         int end = start + current->length;
 114                         if(start > input_position && start < input_end)
 115                         {
 116                                 result = start - input_position;
 117                                 return result;
 118                         }
 119                         else
 120                         if(end > input_position && end < input_end)
 121                         {
 122                                 result = end - input_position;
 123                                 return result;
 124                         }
 125                 }
 126         }
 127         return input_length;
 128 }
 129
 130 void PluginSet::synchronize_params(PluginSet *plugin_set)
 131 {
 132         for(Plugin *this_plugin = (Plugin*)first, *that_plugin = (Plugin*)plugin_set->first;
 133                 this_plugin && that_plugin;
 134                 this_plugin = (Plugin*)this_plugin->next, that_plugin = (Plugin*)that_plugin->next)
 135         {
 136                 this_plugin->synchronize_params(that_plugin);
 137         }
 138 }
 139
 140 Plugin* PluginSet::insert_plugin(const char *title,
 141         int64_t unit_position,
 142         int64_t unit_length,
 143         int plugin_type,
 144         SharedLocation *shared_location,
 145         KeyFrame *default_keyframe,
 146         int do_optimize)
 147 {
 148         Plugin *plugin = (Plugin*)create_silence(unit_position, unit_position + unit_length);
 149         if(title) strcpy(plugin->title, title);
 150         if(shared_location) plugin->shared_location = *shared_location;
 151         plugin->plugin_type = plugin_type;
 152
 153         if(default_keyframe)
 154                 *plugin->keyframes->default_auto = *default_keyframe;
 155         plugin->keyframes->default_auto->position = unit_position;
 156
 157 // May delete the plugin we just added so not desirable while loading.
 158         if(do_optimize) optimize();
 159         return plugin;
 160 }
 161
 162 Edit* PluginSet::create_edit()
 163 {
 164         Plugin* result = new Plugin(edl, this, "");
 165         return result;
 166 }
 167
 168 Edit* PluginSet::insert_edit_after(Edit *previous_edit)
 169 {
 170         Plugin *current = new Plugin(edl, this, "");
 171         List<Edit>::insert_after(previous_edit, current);
 172         return (Edit*)current;
 173 }
 174
 175 KeyFrame *PluginSet::nearest_keyframe(int64_t pos, int dir)
 176 {
 177         Plugin *plugin = (Plugin*)editof(pos, dir, 0);
 178         if( !plugin ) return 0;
 179         KeyFrame *keyframe = (KeyFrame *)(dir == PLAY_FORWARD ?
 180                 plugin->keyframes->nearest_after(pos) :
 181                 plugin->keyframes->nearest_before(pos));
 182         return keyframe;
 183 }
 184
 185 int PluginSet::get_number()
 186 {
 187         return track->plugin_set.number_of(this);
 188 }
 189
 190 void PluginSet::clear(int64_t start, int64_t end, int edit_autos)
 191 {
 192         if(edit_autos)
 193         {
 194 // Clear keyframes
 195                 for(Plugin *current = (Plugin*)first;
 196                         current;
 197                         current = (Plugin*)NEXT)
 198                 {
 199                         current->keyframes->clear(start, end, 1);
 200                 }
 201         }
 202
 203 // Clear edits
 204         Edits::clear(start, end);
 205 }
 206
 207 //void PluginSet::clear_recursive(int64_t start, int64_t end)
 208 //{
 209 //printf("PluginSet::clear_recursive 1\n");
 210 //      clear(start, end, 1);
 211 //}
 212
 213 void PluginSet::shift_keyframes_recursive(int64_t position, int64_t length)
 214 {
 215 // Plugin keyframes are shifted in shift_effects
 216 }
 217
 218 void PluginSet::shift_effects_recursive(int64_t position, int64_t length, int edit_autos)
 219 {
 220 // Effects are shifted in length extension
 221 }
 222
 223
 224 void PluginSet::clear_keyframes(int64_t start, int64_t end)
 225 {
 226         for(Plugin *current = (Plugin*)first; current; current = (Plugin*)NEXT)
 227         {
 228                 current->clear_keyframes(start, end);
 229         }
 230 }
 231
 232 void PluginSet::copy_keyframes(int64_t start,
 233         int64_t end,
 234         FileXML *file,
 235         int default_only,
 236         int active_only)
 237 {
 238         file->tag.set_title("PLUGINSET");
 239         file->append_tag();
 240         file->append_newline();
 241
 242         for(Plugin *current = (Plugin*)first;
 243                 current;
 244                 current = (Plugin*)NEXT)
 245         {
 246                 current->copy_keyframes(start, end, file, default_only, active_only);
 247         }
 248
 249         file->tag.set_title("/PLUGINSET");
 250         file->append_tag();
 251         file->append_newline();
 252 }
 253
 254
 255 void PluginSet::paste_keyframes(int64_t start,
 256         int64_t length,
 257         FileXML *file,
 258         int default_only,
 259         int active_only)
 260 {
 261         int result = 0;
 262         int first_keyframe = 1;
 263         Plugin *current;
 264
 265
 266         while(!result)
 267         {
 268                 result = file->read_tag();
 269
 270                 if(!result)
 271                 {
 272                         if(file->tag.title_is("/PLUGINSET"))
 273                                 result = 1;
 274                         else
 275                         if(file->tag.title_is("KEYFRAME"))
 276                         {
 277                                 int64_t position = file->tag.get_property("POSITION", 0);
 278                                 if(first_keyframe && default_only)
 279                                 {
 280                                         position = start;
 281                                 }
 282                                 else
 283                                 {
 284                                         position += start;
 285                                 }
 286
 287 // Get plugin owning keyframe
 288                                 for(current = (Plugin*)last;
 289                                         current;
 290                                         current = (Plugin*)PREVIOUS)
 291                                 {
 292 // We want keyframes to exist beyond the end of the last plugin to
 293 // make editing intuitive, but it will always be possible to
 294 // paste keyframes from one plugin into an incompatible plugin.
 295                                         if(position >= current->startproject)
 296                                         {
 297                                                 KeyFrame *keyframe = 0;
 298                                                 if(file->tag.get_property("DEFAULT", 0) || default_only)
 299                                                 {
 300                                                         keyframe = (KeyFrame*)current->keyframes->default_auto;
 301                                                 }
 302                                                 else
 303                                                 if(!default_only)
 304                                                 {
 305                                                         keyframe =
 306                                                                 (KeyFrame*)current->keyframes->insert_auto(position);
 307                                                 }
 308
 309                                                 if(keyframe)
 310                                                 {
 311                                                         keyframe->load(file);
 312                                                         keyframe->position = position;
 313                                                 }
 314                                                 break;
 315                                         }
 316                                 }
 317
 318                                 first_keyframe = 0;
 319                         }
 320                 }
 321         }
 322 }
 323
 324 void PluginSet::shift_effects(int64_t start, int64_t length, int edit_autos)
 325 {
 326         for(Plugin *current = (Plugin*)first;
 327                 current;
 328                 current = (Plugin*)NEXT)
 329         {
 330 // Shift beginning of this effect
 331                 if(current->startproject >= start)
 332                 {
 333                         current->startproject += length;
 334                 }
 335                 else
 336 // Extend end of this effect.
 337 // In loading new files, the effect should extend to fill the entire track.
 338 // In muting, the effect must extend to fill the gap if another effect follows.
 339 // The user should use Settings->edit effects to disable this.
 340                 if(current->startproject + current->length >= start)
 341                 {
 342                         current->length += length;
 343                 }
 344
 345 // Shift keyframes in this effect.
 346 // If the default keyframe lands on the starting point, it must be shifted
 347 // since the effect start is shifted.
 348                 if(edit_autos && current->keyframes->default_auto->position >= start)
 349                         current->keyframes->default_auto->position += length;
 350
 351                 if(edit_autos) current->keyframes->paste_silence(start, start + length);
 352         }
 353 }
 354
 355 void PluginSet::copy(int64_t start, int64_t end, FileXML *file)
 356 {
 357         file->tag.set_title("PLUGINSET");
 358         file->tag.set_property("RECORD", record);
 359         file->append_tag();
 360         file->append_newline();
 361
 362         for(Plugin *current = (Plugin*)first; current; current = (Plugin*)NEXT)
 363         {
 364                 current->copy(start, end, file);
 365         }
 366
 367         file->tag.set_title("/PLUGINSET");
 368         file->append_tag();
 369         file->append_newline();
 370 }
 371
 372 void PluginSet::save(FileXML *file)
 373 {
 374         copy(0, length(), file);
 375 }
 376
 377 void PluginSet::load(FileXML *file, uint32_t load_flags)
 378 {
 379         int result = 0;
 380 // Current plugin being amended
 381         Plugin *plugin = (Plugin*)first;
 382         int64_t startproject = 0;
 383
 384         record = file->tag.get_property("RECORD", record);
 385         do{
 386                 result = file->read_tag();
 387
 388
 389                 if(!result)
 390                 {
 391                         if(file->tag.title_is("/PLUGINSET"))
 392                         {
 393                                 result = 1;
 394                         }
 395                         else
 396                         if(file->tag.title_is("PLUGIN"))
 397                         {
 398                                 int64_t length = file->tag.get_property("LENGTH", (int64_t)0);
 399                                 int plugin_type = file->tag.get_property("TYPE", 1);
 400                                 char title[BCTEXTLEN];
 401                                 title[0] = 0;
 402                                 file->tag.get_property("TITLE", title);
 403                                 Plugin::fix_plugin_title(title);
 404                                 SharedLocation shared_location;
 405                                 shared_location.load(file);
 406
 407
 408                                 if(load_flags & LOAD_EDITS)
 409                                 {
 410                                         plugin = insert_plugin(title,
 411                                                 startproject,
 412                                                 length,
 413                                                 plugin_type,
 414                                                 &shared_location,
 415                                                 0,
 416                                                 0);
 417                                         plugin->load(file);
 418                                         startproject += length;
 419                                 }
 420                                 else
 421                                 if(load_flags & LOAD_AUTOMATION)
 422                                 {
 423                                         if(plugin)
 424                                         {
 425                                                 plugin->load(file);
 426                                                 plugin = (Plugin*)plugin->next;
 427                                         }
 428                                 }
 429                         }
 430                 }
 431         } while(!result);
 432
 433         optimize();
 434 }
 435
 436 int PluginSet::optimize()
 437 {
 438         int result = 1;
 439         Plugin *current_edit;
 440
 441
 442 // Delete keyframes out of range
 443         for(current_edit = (Plugin*)first;
 444                 current_edit;
 445                 current_edit = (Plugin*)current_edit->next)
 446         {
 447                 current_edit->keyframes->default_auto->position = 0;
 448                 for(KeyFrame *current_keyframe = (KeyFrame*)current_edit->keyframes->last;
 449                         current_keyframe; )
 450                 {
 451                         KeyFrame *previous_keyframe = (KeyFrame*)current_keyframe->previous;
 452                         if(current_keyframe->position >
 453                                 current_edit->startproject + current_edit->length ||
 454                                 current_keyframe->position < current_edit->startproject)
 455                         {
 456                                 delete current_keyframe;
 457                         }
 458                         current_keyframe = previous_keyframe;
 459                 }
 460         }
 461
 462 // Insert silence between plugins
 463         for(Plugin *current = (Plugin*)last; current; current = (Plugin*)PREVIOUS)
 464         {
 465                 if(current->previous)
 466                 {
 467                         Plugin *previous = (Plugin*)PREVIOUS;
 468
 469                         if(current->startproject -
 470                                 previous->startproject -
 471                                 previous->length > 0)
 472                         {
 473                                 Plugin *new_plugin = (Plugin*)create_edit();
 474                                 insert_before(current, new_plugin);
 475                                 new_plugin->startproject = previous->startproject +
 476                                         previous->length;
 477                                 new_plugin->length = current->startproject -
 478                                         previous->startproject -
 479                                         previous->length;
 480                         }
 481                 }
 482                 else
 483                 if(current->startproject > 0)
 484                 {
 485                         Plugin *new_plugin = (Plugin*)create_edit();
 486                         insert_before(current, new_plugin);
 487                         new_plugin->length = current->startproject;
 488                 }
 489         }
 490
 491
 492 // delete 0 length plugins
 493         while(result)
 494         {
 495                 result = 0;
 496
 497                 for(current_edit = (Plugin*)first; !result && current_edit; ) {
 498                         Plugin* next = (Plugin*)current_edit->next;
 499                         if(current_edit->length == 0) {
 500                                 delete current_edit;
 501                                 result = 1;
 502                         }
 503                         current_edit = next;
 504                 }
 505
 506
 507 // merge identical plugins with same keyframes
 508                 for( current_edit = (Plugin*)first;
 509                         !result && current_edit && current_edit->next; ) {
 510                         Plugin *next_edit = (Plugin*)current_edit->next;
 511
 512 // plugins identical
 513                         if(next_edit->identical(current_edit)) {
 514                                 current_edit->length += next_edit->length;
 515 // Merge keyframes
 516                                 for(KeyFrame *source = (KeyFrame*)next_edit->keyframes->first;
 517                                         source;
 518                                         source = (KeyFrame*)source->next) {
 519                                         KeyFrame *dest = new KeyFrame(edl, current_edit->keyframes);
 520                                         dest->copy_from(source);
 521                                         current_edit->keyframes->append(dest);
 522                                 }
 523                                 remove(next_edit);
 524                                 result = 1;
 525                                 continue;
 526                         }
 527
 528                         current_edit = next_edit;
 529
 530 // delete last edit if 0 length or silence
 531                         if( last && (last->silence() || !last->length) ) {
 532                                 delete last;
 533                                 result = 1;
 534                         }
 535                 }
 536         }
 537
 538         return 0;
 539 }
 540
 541
 542
 543
 544
 545 void PluginSet::dump(FILE *fp)
 546 {
 547         fprintf(fp,"   PLUGIN_SET:\n");
 548         for(Plugin *current = (Plugin*)first; current; current =  (Plugin*)NEXT)
 549                 current->dump(fp);
 550 }