cinelerra-5.0/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 "bcsignals.h"
  23 #include "edl.h"
  24 #include "edlsession.h"
  25 #include "filexml.h"
  26 #include "keyframe.h"
  27 #include "keyframes.h"
  28 #include "plugin.h"
  29 #include "pluginautos.h"
  30 #include "pluginset.h"
  31 #include "track.h"
  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*)paste_silence(unit_position,
 149                 unit_position + unit_length);
 150
 151
 152         if(title) strcpy(plugin->title, title);
 153
 154         if(shared_location) plugin->shared_location = *shared_location;
 155
 156         plugin->plugin_type = plugin_type;
 157
 158         if(default_keyframe)
 159                 *plugin->keyframes->default_auto = *default_keyframe;
 160         plugin->keyframes->default_auto->position = unit_position;
 161
 162 // May delete the plugin we just added so not desirable while loading.
 163         if(do_optimize) optimize();
 164         return plugin;
 165 }
 166
 167 Edit* PluginSet::create_edit()
 168 {
 169         Plugin* result = new Plugin(edl, this, "");
 170         return result;
 171 }
 172
 173 Edit* PluginSet::insert_edit_after(Edit *previous_edit)
 174 {
 175         Plugin *current = new Plugin(edl, this, "");
 176         List<Edit>::insert_after(previous_edit, current);
 177         return (Edit*)current;
 178 }
 179
 180
 181 int PluginSet::get_number()
 182 {
 183         return track->plugin_set.number_of(this);
 184 }
 185
 186 void PluginSet::clear(int64_t start, int64_t end, int edit_autos)
 187 {
 188         if(edit_autos)
 189         {
 190 // Clear keyframes
 191                 for(Plugin *current = (Plugin*)first;
 192                         current;
 193                         current = (Plugin*)NEXT)
 194                 {
 195                         current->keyframes->clear(start, end, 1);
 196                 }
 197         }
 198
 199 // Clear edits
 200         Edits::clear(start, end);
 201 }
 202
 203 //void PluginSet::clear_recursive(int64_t start, int64_t end)
 204 //{
 205 //printf("PluginSet::clear_recursive 1\n");
 206 //      clear(start, end, 1);
 207 //}
 208
 209 void PluginSet::shift_keyframes_recursive(int64_t position, int64_t length)
 210 {
 211 // Plugin keyframes are shifted in shift_effects
 212 }
 213
 214 void PluginSet::shift_effects_recursive(int64_t position, int64_t length, int edit_autos)
 215 {
 216 // Effects are shifted in length extension
 217 }
 218
 219
 220 void PluginSet::clear_keyframes(int64_t start, int64_t end)
 221 {
 222         for(Plugin *current = (Plugin*)first; current; current = (Plugin*)NEXT)
 223         {
 224                 current->clear_keyframes(start, end);
 225         }
 226 }
 227
 228 void PluginSet::copy_keyframes(int64_t start,
 229         int64_t end,
 230         FileXML *file,
 231         int default_only,
 232         int active_only)
 233 {
 234         file->tag.set_title("PLUGINSET");
 235         file->append_tag();
 236         file->append_newline();
 237
 238         for(Plugin *current = (Plugin*)first;
 239                 current;
 240                 current = (Plugin*)NEXT)
 241         {
 242                 current->copy_keyframes(start, end, file, default_only, active_only);
 243         }
 244
 245         file->tag.set_title("/PLUGINSET");
 246         file->append_tag();
 247         file->append_newline();
 248 }
 249
 250
 251 void PluginSet::paste_keyframes(int64_t start,
 252         int64_t length,
 253         FileXML *file,
 254         int default_only,
 255         int active_only)
 256 {
 257         int result = 0;
 258         int first_keyframe = 1;
 259         Plugin *current;
 260
 261
 262         while(!result)
 263         {
 264                 result = file->read_tag();
 265
 266                 if(!result)
 267                 {
 268                         if(file->tag.title_is("/PLUGINSET"))
 269                                 result = 1;
 270                         else
 271                         if(file->tag.title_is("KEYFRAME"))
 272                         {
 273                                 int64_t position = file->tag.get_property("POSITION", 0);
 274                                 if(first_keyframe && default_only)
 275                                 {
 276                                         position = start;
 277                                 }
 278                                 else
 279                                 {
 280                                         position += start;
 281                                 }
 282
 283 // Get plugin owning keyframe
 284                                 for(current = (Plugin*)last;
 285                                         current;
 286                                         current = (Plugin*)PREVIOUS)
 287                                 {
 288 // We want keyframes to exist beyond the end of the last plugin to
 289 // make editing intuitive, but it will always be possible to
 290 // paste keyframes from one plugin into an incompatible plugin.
 291                                         if(position >= current->startproject)
 292                                         {
 293                                                 KeyFrame *keyframe = 0;
 294                                                 if(file->tag.get_property("DEFAULT", 0) || default_only)
 295                                                 {
 296                                                         keyframe = (KeyFrame*)current->keyframes->default_auto;
 297                                                 }
 298                                                 else
 299                                                 if(!default_only)
 300                                                 {
 301                                                         keyframe =
 302                                                                 (KeyFrame*)current->keyframes->insert_auto(position);
 303                                                 }
 304
 305                                                 if(keyframe)
 306                                                 {
 307                                                         keyframe->load(file);
 308                                                         keyframe->position = position;
 309                                                 }
 310                                                 break;
 311                                         }
 312                                 }
 313
 314                                 first_keyframe = 0;
 315                         }
 316                 }
 317         }
 318 }
 319
 320 void PluginSet::shift_effects(int64_t start, int64_t length, int edit_autos)
 321 {
 322         for(Plugin *current = (Plugin*)first;
 323                 current;
 324                 current = (Plugin*)NEXT)
 325         {
 326 // Shift beginning of this effect
 327                 if(current->startproject >= start)
 328                 {
 329                         current->startproject += length;
 330                 }
 331                 else
 332 // Extend end of this effect.
 333 // In loading new files, the effect should extend to fill the entire track.
 334 // In muting, the effect must extend to fill the gap if another effect follows.
 335 // The user should use Settings->edit effects to disable this.
 336                 if(current->startproject + current->length >= start)
 337                 {
 338                         current->length += length;
 339                 }
 340
 341 // Shift keyframes in this effect.
 342 // If the default keyframe lands on the starting point, it must be shifted
 343 // since the effect start is shifted.
 344                 if(edit_autos && current->keyframes->default_auto->position >= start)
 345                         current->keyframes->default_auto->position += length;
 346
 347                 if(edit_autos) current->keyframes->paste_silence(start, start + length);
 348         }
 349 }
 350
 351 void PluginSet::copy(int64_t start, int64_t end, FileXML *file)
 352 {
 353         file->tag.set_title("PLUGINSET");
 354         file->tag.set_property("RECORD", record);
 355         file->append_tag();
 356         file->append_newline();
 357
 358         for(Plugin *current = (Plugin*)first; current; current = (Plugin*)NEXT)
 359         {
 360                 current->copy(start, end, file);
 361         }
 362
 363         file->tag.set_title("/PLUGINSET");
 364         file->append_tag();
 365         file->append_newline();
 366 }
 367
 368 void PluginSet::save(FileXML *file)
 369 {
 370         copy(0, length(), file);
 371 }
 372
 373 void PluginSet::load(FileXML *file, uint32_t load_flags)
 374 {
 375         int result = 0;
 376 // Current plugin being amended
 377         Plugin *plugin = (Plugin*)first;
 378         int64_t startproject = 0;
 379
 380         record = file->tag.get_property("RECORD", record);
 381         do{
 382                 result = file->read_tag();
 383
 384
 385                 if(!result)
 386                 {
 387                         if(file->tag.title_is("/PLUGINSET"))
 388                         {
 389                                 result = 1;
 390                         }
 391                         else
 392                         if(file->tag.title_is("PLUGIN"))
 393                         {
 394                                 int64_t length = file->tag.get_property("LENGTH", (int64_t)0);
 395                                 int plugin_type = file->tag.get_property("TYPE", 1);
 396                                 char title[BCTEXTLEN];
 397                                 title[0] = 0;
 398                                 file->tag.get_property("TITLE", title);
 399                                 SharedLocation shared_location;
 400                                 shared_location.load(file);
 401
 402
 403                                 if(load_flags & LOAD_EDITS)
 404                                 {
 405                                         plugin = insert_plugin(title,
 406                                                 startproject,
 407                                                 length,
 408                                                 plugin_type,
 409                                                 &shared_location,
 410                                                 0,
 411                                                 0);
 412                                         plugin->load(file);
 413                                         startproject += length;
 414                                 }
 415                                 else
 416                                 if(load_flags & LOAD_AUTOMATION)
 417                                 {
 418                                         if(plugin)
 419                                         {
 420                                                 plugin->load(file);
 421                                                 plugin = (Plugin*)plugin->next;
 422                                         }
 423                                 }
 424                         }
 425                 }
 426         }while(!result);
 427 }
 428
 429
 430
 431 int PluginSet::optimize()
 432 {
 433         int result = 1;
 434         Plugin *current_edit;
 435
 436
 437 // Delete keyframes out of range
 438         for(current_edit = (Plugin*)first;
 439                 current_edit;
 440                 current_edit = (Plugin*)current_edit->next)
 441         {
 442                 current_edit->keyframes->default_auto->position = 0;
 443                 for(KeyFrame *current_keyframe = (KeyFrame*)current_edit->keyframes->last;
 444                         current_keyframe; )
 445                 {
 446                         KeyFrame *previous_keyframe = (KeyFrame*)current_keyframe->previous;
 447                         if(current_keyframe->position >
 448                                 current_edit->startproject + current_edit->length ||
 449                                 current_keyframe->position < current_edit->startproject)
 450                         {
 451                                 delete current_keyframe;
 452                         }
 453                         current_keyframe = previous_keyframe;
 454                 }
 455         }
 456
 457 // Insert silence between plugins
 458         for(Plugin *current = (Plugin*)last; current; current = (Plugin*)PREVIOUS)
 459         {
 460                 if(current->previous)
 461                 {
 462                         Plugin *previous = (Plugin*)PREVIOUS;
 463
 464                         if(current->startproject -
 465                                 previous->startproject -
 466                                 previous->length > 0)
 467                         {
 468                                 Plugin *new_plugin = (Plugin*)create_edit();
 469                                 insert_before(current, new_plugin);
 470                                 new_plugin->startproject = previous->startproject +
 471                                         previous->length;
 472                                 new_plugin->length = current->startproject -
 473                                         previous->startproject -
 474                                         previous->length;
 475                         }
 476                 }
 477                 else
 478                 if(current->startproject > 0)
 479                 {
 480                         Plugin *new_plugin = (Plugin*)create_edit();
 481                         insert_before(current, new_plugin);
 482                         new_plugin->length = current->startproject;
 483                 }
 484         }
 485
 486
 487 // delete 0 length plugins
 488         while(result)
 489         {
 490                 result = 0;
 491
 492                 for(current_edit = (Plugin*)first;
 493                         current_edit && !result; )
 494                 {
 495                         if(current_edit->length == 0)
 496                         {
 497                                 Plugin* next = (Plugin*)current_edit->next;
 498                                 delete current_edit;
 499                                 result = 1;
 500                                 current_edit = next;
 501                         }
 502                         else
 503                                 current_edit = (Plugin*)current_edit->next;
 504                 }
 505
 506
 507 // merge identical plugins with same keyframes
 508                 for(current_edit = (Plugin*)first;
 509                         current_edit && current_edit->next && !result; )
 510                 {
 511                         Plugin *next_edit = (Plugin*)current_edit->next;
 512
 513
 514 // plugins identical
 515                         if(next_edit->identical(current_edit))
 516                 {
 517                         current_edit->length += next_edit->length;
 518 // Merge keyframes
 519                                 for(KeyFrame *source = (KeyFrame*)next_edit->keyframes->first;
 520                                         source;
 521                                         source = (KeyFrame*)source->next)
 522                                 {
 523                                         KeyFrame *dest = new KeyFrame(edl, current_edit->keyframes);
 524                                         *dest = *source;
 525                                         current_edit->keyframes->append(dest);
 526                                 }
 527                         remove(next_edit);
 528                         result = 1;
 529                 }
 530
 531                 current_edit = (Plugin*)current_edit->next;
 532                 }
 533
 534 // delete last edit if 0 length or silence
 535                 if(last)
 536                 {
 537                         if(last->silence() || !last->length)
 538                         {
 539                                 delete last;
 540                                 result = 1;
 541                         }
 542                 }
 543         }
 544
 545         return 0;
 546 }
 547
 548
 549
 550
 551
 552 void PluginSet::dump(FILE *fp)
 553 {
 554         fprintf(fp,"   PLUGIN_SET:\n");
 555         for(Plugin *current = (Plugin*)first; current; current =  (Plugin*)NEXT)
 556                 current->dump(fp);
 557 }