cinelerra-5.1/cinelerra/edit.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 "assets.h"
  24 #include "bcsignals.h"
  25 #include "clip.h"
  26 #include "edit.h"
  27 #include "edits.h"
  28 #include "edl.h"
  29 #include "edlsession.h"
  30 #include "filexml.h"
  31 #include "filesystem.h"
  32 #include "labels.h"
  33 #include "localsession.h"
  34 #include "plugin.h"
  35 #include "mainsession.h"
  36 #include "strack.h"
  37 #include "trackcanvas.h"
  38 #include "tracks.h"
  39 #include "transition.h"
  40 #include <string.h>
  41
  42
  43 Edit::Edit()
  44 {
  45         reset();
  46 }
  47
  48 Edit::Edit(EDL *edl, Track *track)
  49 {
  50         reset();
  51         this->edl = edl;
  52         this->track = track;
  53         if(track) this->edits = track->edits;
  54         id = EDL::next_id();
  55 }
  56
  57 Edit::Edit(EDL *edl, Edits *edits)
  58 {
  59         reset();
  60         this->edl = edl;
  61         this->edits = edits;
  62         if(edits) this->track = edits->track;
  63         id = EDL::next_id();
  64 }
  65
  66 Edit::~Edit()
  67 {
  68 //printf("Edit::~Edit 1\n");
  69         if(transition) delete transition;
  70 //printf("Edit::~Edit 2\n");
  71 }
  72
  73 void Edit::reset()
  74 {
  75         edl = 0;
  76         track = 0;
  77         edits = 0;
  78         startsource = 0;
  79         startproject = 0;
  80         length = 0;
  81         asset = 0;
  82         transition = 0;
  83         channel = 0;
  84         user_title[0] = 0;
  85         nested_edl = 0;
  86         is_plugin = 0;
  87         is_selected = 0;
  88         hard_left = 0;
  89         hard_right = 0;
  90         color = 0;
  91         group_id = 0;
  92 }
  93
  94 Indexable* Edit::get_source()
  95 {
  96         if(asset) return asset;
  97         if(nested_edl) return nested_edl;
  98         return 0;
  99 }
 100
 101 int Edit::copy(int64_t start,
 102         int64_t end,
 103         FileXML *file,
 104         const char *output_path)
 105 {
 106 // variables
 107 //printf("Edit::copy 1\n");
 108
 109         int64_t endproject = startproject + length;
 110         int result;
 111
 112         if((startproject >= start && startproject <= end) ||  // startproject in range
 113                  (endproject <= end && endproject >= start) ||     // endproject in range
 114                  (startproject <= start && endproject >= end))    // range in project
 115         {
 116 // edit is in range
 117                 int64_t startproject_in_selection = startproject; // start of edit in selection in project
 118                 int64_t startsource_in_selection = startsource; // start of source in selection in source
 119                 //int64_t endsource_in_selection = startsource + length; // end of source in selection
 120                 int64_t length_in_selection = length;             // length of edit in selection
 121 //printf("Edit::copy 2\n");
 122
 123                 if(startproject < start)
 124                 {         // start is after start of edit in project
 125                         int64_t length_difference = start - startproject;
 126
 127                         startsource_in_selection += length_difference;
 128                         startproject_in_selection += length_difference;
 129                         length_in_selection -= length_difference;
 130                 }
 131 //printf("Edit::copy 3\n");
 132
 133                 if(endproject > end)
 134                 {         // end is before end of edit in project
 135                         length_in_selection = end - startproject_in_selection;
 136                 }
 137
 138 //printf("Edit::copy 4\n");
 139                 if(file)    // only if not counting
 140                 {
 141                         file->tag.set_title("EDIT");
 142                         file->tag.set_property("STARTSOURCE", startsource_in_selection);
 143                         file->tag.set_property("CHANNEL", (int64_t)channel);
 144                         file->tag.set_property("LENGTH", length_in_selection);
 145                         file->tag.set_property("HARD_LEFT", hard_left);
 146                         file->tag.set_property("HARD_RIGHT", hard_right);
 147                         file->tag.set_property("COLOR", color);
 148                         file->tag.set_property("GROUP_ID", group_id);
 149                         if(user_title[0]) file->tag.set_property("USER_TITLE", user_title);
 150 //printf("Edit::copy 5\n");
 151
 152                         copy_properties_derived(file, length_in_selection);
 153
 154                         file->append_tag();
 155 //                      file->append_newline();
 156 //printf("Edit::copy 6\n");
 157
 158                         if(nested_edl)
 159                         {
 160                                 file->tag.set_title("NESTED_EDL");
 161                                 file->tag.set_property("SRC", nested_edl->path);
 162                                 file->append_tag();
 163                                 file->tag.set_title("/NESTED_EDL");
 164                                 file->append_tag();
 165                                 file->append_newline();
 166                         }
 167
 168                         if(asset)
 169                         {
 170 //printf("Edit::copy 6 %s\n", asset->path);
 171                                 char stored_path[BCTEXTLEN];
 172                                 char asset_directory[BCTEXTLEN];
 173                                 char output_directory[BCTEXTLEN];
 174                                 FileSystem fs;
 175
 176 //printf("Edit::copy %d %s\n", __LINE__, asset->path);
 177                                 fs.extract_dir(asset_directory, asset->path);
 178 //printf("Edit::copy %d %s\n", __LINE__, asset->path);
 179
 180                                 if(output_path)
 181                                         fs.extract_dir(output_directory, output_path);
 182                                 else
 183                                         output_directory[0] = 0;
 184 //printf("Edit::copy %s, %s %s, %s\n", asset->path, asset_directory, output_path, output_directory);
 185
 186                                 if(output_path && !strcmp(asset_directory, output_directory))
 187                                         fs.extract_name(stored_path, asset->path);
 188                                 else
 189                                         strcpy(stored_path, asset->path);
 190
 191                                 file->tag.set_title("FILE");
 192                                 file->tag.set_property("SRC", stored_path);
 193                                 file->append_tag();
 194                                 file->tag.set_title("/FILE");
 195                                 file->append_tag();
 196                         }
 197
 198                         if(transition && startsource_in_selection == startsource)
 199                         {
 200                                 transition->save_xml(file);
 201                         }
 202
 203 //printf("Edit::copy 7\n");
 204                         file->tag.set_title("/EDIT");
 205                         file->append_tag();
 206                         file->append_newline();
 207 //printf("Edit::copy 8\n");
 208                 }
 209 //printf("Edit::copy 9\n");
 210                 result = 1;
 211         }
 212         else
 213         {
 214                 result = 0;
 215         }
 216 //printf("Edit::copy 10\n");
 217         return result;
 218 }
 219
 220
 221 int64_t Edit::get_source_end(int64_t default_)
 222 {
 223         return default_;
 224 }
 225
 226 void Edit::insert_transition(char *title)
 227 {
 228 //printf("Edit::insert_transition this=%p title=%p title=%s\n", this, title, title);
 229         delete transition;
 230         transition = new Transition(edl, this, title,
 231                 track->to_units(edl->session->default_transition_length, 1));
 232 }
 233
 234 void Edit::detach_transition()
 235 {
 236         if(transition) delete transition;
 237         transition = 0;
 238 }
 239
 240 int Edit::silence()
 241 {
 242         return (track->data_type != TRACK_SUBTITLE ?
 243                 asset || nested_edl :
 244                 *((SEdit *)this)->get_text()) ? 0 : 1;
 245 }
 246
 247 void Edit::set_selected(int v)
 248 {
 249         if( group_id )
 250                 edl->tracks->set_group_selected(group_id, v);
 251         else
 252                 is_selected = v >= 0 ? v : !is_selected ? 1 : 0;
 253 }
 254
 255 void Edit::copy_from(Edit *edit)
 256 {
 257         this->nested_edl = edl->nested_edls.get_nested(edit->nested_edl);
 258         this->asset = edl->assets->update(edit->asset);
 259         this->startsource = edit->startsource;
 260         this->startproject = edit->startproject;
 261         this->length = edit->length;
 262         this->hard_left = edit->hard_left;
 263         this->hard_right = edit->hard_right;
 264         this->color = edit->color;
 265         this->group_id = edit->group_id;
 266         strcpy (this->user_title, edit->user_title);
 267
 268         if(edit->transition)
 269         {
 270                 if(!transition) transition = new Transition(edl,
 271                         this,
 272                         edit->transition->title,
 273                         edit->transition->length);
 274                 *this->transition = *edit->transition;
 275         }
 276         this->channel = edit->channel;
 277 }
 278
 279 void Edit::equivalent_output(Edit *edit, int64_t *result)
 280 {
 281 // End of edit changed
 282         if(startproject + length != edit->startproject + edit->length)
 283         {
 284                 int64_t new_length = MIN(startproject + length,
 285                         edit->startproject + edit->length);
 286                 if(*result < 0 || new_length < *result)
 287                         *result = new_length;
 288         }
 289
 290         if(
 291 // Different nested EDLs
 292                 (edit->nested_edl && !nested_edl) ||
 293                 (!edit->nested_edl && nested_edl) ||
 294 // Different assets
 295                 (edit->asset == 0 && asset != 0) ||
 296                 (edit->asset != 0 && asset == 0) ||
 297 // different transitions
 298                 (edit->transition == 0 && transition != 0) ||
 299                 (edit->transition != 0 && transition == 0) ||
 300 // Position changed
 301                 (startproject != edit->startproject) ||
 302                 (startsource != edit->startsource) ||
 303 // Transition changed
 304                 (transition && edit->transition &&
 305                         !transition->identical(edit->transition)) ||
 306 // Asset changed
 307                 (asset && edit->asset &&
 308                         !asset->equivalent(*edit->asset, 1, 1, edl)) ||
 309 // Nested EDL changed
 310                 (nested_edl && edit->nested_edl &&
 311                         strcmp(nested_edl->path, edit->nested_edl->path))
 312                 )
 313         {
 314 // Start of edit changed
 315                 if(*result < 0 || startproject < *result) *result = startproject;
 316         }
 317 }
 318
 319
 320 Edit& Edit::operator=(Edit& edit)
 321 {
 322 //printf("Edit::operator= called\n");
 323         copy_from(&edit);
 324         return *this;
 325 }
 326
 327 void Edit::synchronize_params(Edit *edit)
 328 {
 329         copy_from(edit);
 330 }
 331
 332
 333 // Comparison for ResourcePixmap drawing
 334 int Edit::identical(Edit &edit)
 335 {
 336         int result = (this->nested_edl == edit.nested_edl &&
 337                 this->asset == edit.asset &&
 338                 this->startsource == edit.startsource &&
 339                 this->startproject == edit.startproject &&
 340                 this->length == edit.length &&
 341                 this->transition == edit.transition &&
 342                 this->channel == edit.channel);
 343         return result;
 344 }
 345
 346 int Edit::operator==(Edit &edit)
 347 {
 348         return identical(edit);
 349 }
 350
 351 double Edit::frames_per_picon()
 352 {
 353         return Units::round(picon_w()) / frame_w();
 354 }
 355
 356 double Edit::frame_w()
 357 {
 358         return track->from_units(1) *
 359                 edl->session->sample_rate /
 360                 edl->local_session->zoom_sample;
 361 }
 362
 363 double Edit::picon_w()
 364 {
 365         int w = 0, h = 0;
 366         if(asset) {
 367                 w = asset->width;
 368                 h = asset->height;
 369         }
 370         else if(nested_edl) {
 371                 w = nested_edl->session->output_w;
 372                 h = nested_edl->session->output_h;
 373         }
 374         return w>0 && h>0 ? ((double)edl->local_session->zoom_track*w)/h : 0;
 375 }
 376
 377 int Edit::picon_h()
 378 {
 379         return edl->local_session->zoom_track;
 380 }
 381
 382
 383 int Edit::dump(FILE *fp)
 384 {
 385         fprintf(fp,"     EDIT %p\n", this); fflush(fp);
 386         fprintf(fp,"      nested_edl=%p %s asset=%p %s\n",
 387                 nested_edl,
 388                 nested_edl ? nested_edl->path : "",
 389                 asset,
 390                 asset ? asset->path : "");
 391         fflush(fp);
 392         fprintf(fp,"      channel %d, color %08x, group_id %d, is_selected %d\n",
 393                 channel, color, group_id, is_selected);
 394         if(transition)
 395         {
 396                 fprintf(fp,"      TRANSITION %p\n", transition);
 397                 transition->dump(fp);
 398         }
 399         fprintf(fp,"      startsource %jd startproject %jd hard lt/rt %d/%d length %jd\n",
 400                 startsource, startproject, hard_left, hard_right, length); fflush(fp);
 401         return 0;
 402 }
 403
 404 int Edit::load_properties(FileXML *file, int64_t &startproject)
 405 {
 406         startsource = file->tag.get_property("STARTSOURCE", (int64_t)0);
 407         length = file->tag.get_property("LENGTH", (int64_t)0);
 408         hard_left = file->tag.get_property("HARD_LEFT", (int64_t)0);
 409         hard_right = file->tag.get_property("HARD_RIGHT", (int64_t)0);
 410         color = file->tag.get_property("COLOR", 0);
 411         group_id = file->tag.get_property("GROUP_ID", group_id);
 412         user_title[0] = 0;
 413         file->tag.get_property("USER_TITLE", user_title);
 414         this->startproject = startproject;
 415         load_properties_derived(file);
 416         return 0;
 417 }
 418
 419 void Edit::shift(int64_t difference)
 420 {
 421         startproject += difference;
 422 }
 423
 424
 425 int Edit::shift_start(int edit_mode, int64_t newposition, int64_t oldposition,
 426         int edit_edits, int edit_labels, int edit_plugins, int edit_autos,
 427         Edits *trim_edits)
 428 {
 429         int64_t startproject = this->startproject;
 430         int64_t startsource = this->startsource;
 431         int64_t length = this->length;
 432         int64_t source_len = get_source_end(startsource + length);
 433         int64_t cut_length = newposition - oldposition;
 434         source_len -= cut_length;
 435
 436         switch( edit_mode ) {
 437         case MOVE_EDGE:
 438                 startproject += cut_length;
 439                 startsource += cut_length;
 440                 length -= cut_length;
 441                 break;
 442         case MOVE_MEDIA:
 443                 startsource += cut_length;
 444                 break;
 445         case MOVE_EDGE_MEDIA:
 446                 startproject += cut_length;
 447                 length -= cut_length;
 448                 break;
 449         }
 450
 451         if( startproject < 0 ) {
 452                 startsource += startproject;
 453                 length += startproject;
 454                 startproject = 0;
 455         }
 456         if( startsource < 0 )
 457                 startsource = 0;
 458         if( length > source_len )
 459                 length = source_len;
 460         if( length < 0 )
 461                 length = 0;
 462
 463         int64_t start = this->startproject;
 464         int64_t end = start + this->length;
 465         if( edit_labels ) {
 466                 double cut_len = track->from_units(cut_length);
 467                 double start_pos = edits->track->from_units(start);
 468                 edits->edl->labels->insert(start_pos, cut_len);
 469                 double end_pos = edits->track->from_units(end);
 470                 edits->edl->labels->insert(end_pos + cut_len, -cut_len);
 471         }
 472         if( edit_autos ) {
 473                 edits->shift_keyframes_recursive(start, cut_length);
 474                 edits->shift_keyframes_recursive(end + cut_length, -cut_length);
 475         }
 476         if( edit_plugins ) {
 477                 edits->shift_effects_recursive(start, cut_length, 1);
 478                 edits->shift_effects_recursive(end + cut_length, -cut_length, 1);
 479         }
 480         if( !edit_edits && startproject < start ) {
 481                 edits->clear(startproject, start);
 482                 cut_length = start - startproject;
 483                 for( Edit *edit=next; edit; edit=edit->next )
 484                         edit->startproject += cut_length;
 485         }
 486
 487         this->startproject = startproject;
 488         this->startsource = startsource;
 489         this->length = length;
 490
 491         return 0;
 492 }
 493
 494 int Edit::shift_end(int edit_mode, int64_t newposition, int64_t oldposition,
 495         int edit_edits, int edit_labels, int edit_plugins, int edit_autos,
 496         Edits *trim_edits)
 497 {
 498         int64_t startproject = this->startproject;
 499         int64_t startsource = this->startsource;
 500         int64_t length = this->length;
 501         int64_t source_len = get_source_end(startsource + length);
 502         int64_t cut_length = newposition - oldposition;
 503         source_len += cut_length;
 504
 505         switch( edit_mode ) {
 506         case MOVE_EDGE:
 507                 length += cut_length;
 508                 break;
 509         case MOVE_MEDIA:
 510                 startsource += cut_length;
 511                 break;
 512         case MOVE_EDGE_MEDIA:
 513                 startsource -= cut_length;
 514                 length += cut_length;
 515                 break;
 516         }
 517         if( startproject < 0 ) {
 518                 startsource += startproject;
 519                 length += startproject;
 520                 startproject = 0;
 521         }
 522         if( startsource < 0 )
 523                 startsource = 0;
 524         if( length > source_len )
 525                 length = source_len;
 526         if( length < 0 )
 527                 length = 0;
 528
 529         int64_t start = this->startproject;
 530         int64_t end = start + this->length;
 531         if( edit_labels ) {
 532                 double cut_len = track->from_units(cut_length);
 533                 double end_pos = edits->track->from_units(end);
 534                 if( cut_len < 0 )
 535                         edits->edl->labels->clear(end_pos + cut_len, end_pos, 1);
 536                 else
 537                         edits->edl->labels->insert(end_pos, cut_len);
 538         }
 539         Track *track = edits->track;
 540         if( cut_length < 0 )
 541                 track->clear(end+cut_length, end,
 542                         0, 0, edit_autos, edit_plugins, trim_edits);
 543         else if( cut_length > 0 ) {
 544                 if( edit_autos )
 545                         track->shift_keyframes(end, cut_length);
 546                 if( edit_plugins )
 547                         track->shift_effects(end, cut_length, 1, trim_edits);
 548         }
 549
 550         int64_t new_end = startproject + length;
 551         if( edit_edits ) {
 552                 cut_length = new_end - end;
 553                 for( Edit* edit=next; edit; edit=edit->next )
 554                         edit->startproject += cut_length;
 555         }
 556         else if( new_end > end )
 557                 edits->clear(end, new_end);
 558
 559         this->startproject = startproject;
 560         this->startsource = startsource;
 561         this->length = length;
 562
 563         return 0;
 564 }
 565
 566
 567 int Edit::popup_transition(float view_start, float zoom_units, int cursor_x, int cursor_y)
 568 {
 569         int64_t left, right, left_unit, right_unit;
 570         if(!transition) return 0;
 571         get_handle_parameters(left, right, left_unit, right_unit, view_start, zoom_units);
 572
 573         if(cursor_x > left && cursor_x < right)
 574         {
 575 //              transition->popup_transition(cursor_x, cursor_y);
 576                 return 1;
 577         }
 578         return 0;
 579 }
 580
 581 int Edit::select_handle(float view_start, float zoom_units, int cursor_x, int cursor_y, int64_t &selection)
 582 {
 583         int64_t left, right, left_unit, right_unit;
 584         get_handle_parameters(left, right, left_unit, right_unit, view_start, zoom_units);
 585
 586         int64_t pixel1, pixel2;
 587         pixel1 = left;
 588         pixel2 = pixel1 + 10;
 589
 590 // test left edit
 591 // cursor_x is faked in acanvas
 592         if(cursor_x >= pixel1 && cursor_x <= pixel2)
 593         {
 594                 selection = left_unit;
 595                 return 1;     // left handle
 596         }
 597
 598         //int64_t endproject = startproject + length;
 599         pixel2 = right;
 600         pixel1 = pixel2 - 10;
 601
 602 // test right edit
 603         if(cursor_x >= pixel1 && cursor_x <= pixel2)
 604         {
 605                 selection = right_unit;
 606                 return 2;     // right handle
 607         }
 608         return 0;
 609 }
 610
 611 void Edit::get_title(char *title)
 612 {
 613         if( user_title[0] ) {
 614                 strcpy(title, user_title);
 615                 return;
 616         }
 617         Indexable *idxbl = asset ? (Indexable*)asset : (Indexable*)nested_edl;
 618         if( !idxbl ) {
 619                 title[0] = 0;
 620                 return;
 621         }
 622         FileSystem fs;
 623         fs.extract_name(title, idxbl->path);
 624         if( asset || track->data_type == TRACK_AUDIO ) {
 625                 char number[BCSTRLEN];
 626                 sprintf(number, " #%d", channel + 1);
 627                 strcat(title, number);
 628         }
 629 }
 630