cinelerra-5.1/cinelerra/maskengine.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 "condition.h"
  24 #include "clip.h"
  25 #include "maskauto.h"
  26 #include "maskautos.h"
  27 #include "maskengine.h"
  28 #include "mutex.h"
  29 #include "transportque.inc"
  30 #include "vframe.h"
  31
  32 #include <math.h>
  33 #include <stdint.h>
  34 #include <string.h>
  35
  36 MaskPackage::MaskPackage()
  37 {
  38 }
  39
  40 MaskPackage::~MaskPackage()
  41 {
  42 }
  43
  44
  45
  46
  47
  48
  49
  50 MaskUnit::MaskUnit(MaskEngine *engine)
  51  : LoadClient(engine)
  52 {
  53         this->engine = engine;
  54         this->temp = 0;
  55 }
  56
  57
  58 MaskUnit::~MaskUnit()
  59 {
  60         if(temp) delete temp;
  61 }
  62
  63
  64 #define OVERSAMPLE 8
  65
  66 void MaskUnit::draw_line_clamped(VFrame *frame,
  67         int x1, int y1, int x2, int y2, unsigned char k)
  68 {
  69         int draw_x1, draw_y1;
  70         int draw_x2, draw_y2;
  71
  72         if(y2 < y1) {
  73                 draw_x1 = x2;  draw_y1 = y2;
  74                 draw_x2 = x1;  draw_y2 = y1;
  75         }
  76         else {
  77                 draw_x1 = x1;  draw_y1 = y1;
  78                 draw_x2 = x2;  draw_y2 = y2;
  79         }
  80
  81         unsigned char **rows = (unsigned char**)frame->get_rows();
  82
  83         if(draw_y2 != draw_y1) {
  84                 float slope = ((float)draw_x2 - draw_x1) / ((float)draw_y2 - draw_y1);
  85                 int w = frame->get_w() - 1;
  86                 int h = frame->get_h();
  87
  88                 for(float y = draw_y1; y < draw_y2; y++) {
  89                         if(y >= 0 && y < h) {
  90                                 int x = (int)((y - draw_y1) * slope + draw_x1);
  91                                 int y_i = (int)y;
  92                                 int x_i = CLIP(x, 0, w);
  93
  94                                 if(rows[y_i][x_i] == k)
  95                                         rows[y_i][x_i] = 0;
  96                                 else
  97                                         rows[y_i][x_i] = k;
  98                         }
  99                 }
 100         }
 101 }
 102
 103 void MaskUnit::blur_strip(double *val_p,
 104         double *val_m,
 105         double *dst,
 106         double *src,
 107         int size,
 108         int max)
 109 {
 110         double *sp_p = src;
 111         double *sp_m = src + size - 1;
 112         double *vp = val_p;
 113         double *vm = val_m + size - 1;
 114         double initial_p = sp_p[0];
 115         double initial_m = sp_m[0];
 116
 117 //printf("MaskUnit::blur_strip %d\n", size);
 118         for(int k = 0; k < size; k++)
 119         {
 120                 int terms = (k < 4) ? k : 4;
 121                 int l;
 122                 for(l = 0; l <= terms; l++)
 123                 {
 124                         *vp += n_p[l] * sp_p[-l] - d_p[l] * vp[-l];
 125                         *vm += n_m[l] * sp_m[l] - d_m[l] * vm[l];
 126                 }
 127
 128                 for( ; l <= 4; l++)
 129                 {
 130                         *vp += (n_p[l] - bd_p[l]) * initial_p;
 131                         *vm += (n_m[l] - bd_m[l]) * initial_m;
 132                 }
 133                 sp_p++;
 134                 sp_m--;
 135                 vp++;
 136                 vm--;
 137         }
 138
 139         for(int i = 0; i < size; i++)
 140         {
 141                 double sum = val_p[i] + val_m[i];
 142                 CLAMP(sum, 0, max);
 143                 dst[i] = sum;
 144         }
 145 }
 146
 147 void MaskUnit::do_feather(VFrame *output,
 148         VFrame *input,
 149         double feather,
 150         int start_y,
 151         int end_y,
 152         int start_x,
 153         int end_x)
 154 {
 155 //printf("MaskUnit::do_feather %f\n", feather);
 156 // Get constants
 157         double constants[8];
 158         double div;
 159         double std_dev = sqrt(-(double)(feather * feather) / (2 * log(1.0 / 255.0)));
 160         div = sqrt(2 * M_PI) * std_dev;
 161         constants[0] = -1.783 / std_dev;
 162         constants[1] = -1.723 / std_dev;
 163         constants[2] = 0.6318 / std_dev;
 164         constants[3] = 1.997  / std_dev;
 165         constants[4] = 1.6803 / div;
 166         constants[5] = 3.735 / div;
 167         constants[6] = -0.6803 / div;
 168         constants[7] = -0.2598 / div;
 169
 170         n_p[0] = constants[4] + constants[6];
 171         n_p[1] = exp(constants[1]) *
 172                                 (constants[7] * sin(constants[3]) -
 173                                 (constants[6] + 2 * constants[4]) * cos(constants[3])) +
 174                                 exp(constants[0]) *
 175                                 (constants[5] * sin(constants[2]) -
 176                                 (2 * constants[6] + constants[4]) * cos(constants[2]));
 177
 178         n_p[2] = 2 * exp(constants[0] + constants[1]) *
 179                                 ((constants[4] + constants[6]) * cos(constants[3]) *
 180                                 cos(constants[2]) - constants[5] *
 181                                 cos(constants[3]) * sin(constants[2]) -
 182                                 constants[7] * cos(constants[2]) * sin(constants[3])) +
 183                                 constants[6] * exp(2 * constants[0]) +
 184                                 constants[4] * exp(2 * constants[1]);
 185
 186         n_p[3] = exp(constants[1] + 2 * constants[0]) *
 187                                 (constants[7] * sin(constants[3]) -
 188                                 constants[6] * cos(constants[3])) +
 189                                 exp(constants[0] + 2 * constants[1]) *
 190                                 (constants[5] * sin(constants[2]) - constants[4] *
 191                                 cos(constants[2]));
 192         n_p[4] = 0.0;
 193
 194         d_p[0] = 0.0;
 195         d_p[1] = -2 * exp(constants[1]) * cos(constants[3]) -
 196                                 2 * exp(constants[0]) * cos(constants[2]);
 197
 198         d_p[2] = 4 * cos(constants[3]) * cos(constants[2]) *
 199                                 exp(constants[0] + constants[1]) +
 200                                 exp(2 * constants[1]) + exp (2 * constants[0]);
 201
 202         d_p[3] = -2 * cos(constants[2]) * exp(constants[0] + 2 * constants[1]) -
 203                                 2 * cos(constants[3]) * exp(constants[1] + 2 * constants[0]);
 204
 205         d_p[4] = exp(2 * constants[0] + 2 * constants[1]);
 206
 207         for(int i = 0; i < 5; i++) d_m[i] = d_p[i];
 208
 209         n_m[0] = 0.0;
 210         for(int i = 1; i <= 4; i++)
 211                 n_m[i] = n_p[i] - d_p[i] * n_p[0];
 212
 213         double sum_n_p, sum_n_m, sum_d;
 214         double a, b;
 215
 216         sum_n_p = 0.0;
 217         sum_n_m = 0.0;
 218         sum_d = 0.0;
 219         for(int i = 0; i < 5; i++)
 220         {
 221                 sum_n_p += n_p[i];
 222                 sum_n_m += n_m[i];
 223                 sum_d += d_p[i];
 224         }
 225
 226         a = sum_n_p / (1 + sum_d);
 227         b = sum_n_m / (1 + sum_d);
 228
 229         for(int i = 0; i < 5; i++)
 230         {
 231                 bd_p[i] = d_p[i] * a;
 232                 bd_m[i] = d_m[i] * b;
 233         }
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256 #define DO_FEATHER(type, max) \
 257 { \
 258         int frame_w = input->get_w(); \
 259         int frame_h = input->get_h(); \
 260         int size = MAX(frame_w, frame_h); \
 261         double *src = new double[size]; \
 262         double *dst = new double[size]; \
 263         double *val_p = new double[size]; \
 264         double *val_m = new double[size]; \
 265         type **in_rows = (type**)input->get_rows(); \
 266         type **out_rows = (type**)output->get_rows(); \
 267         int j; \
 268  \
 269 /* printf("DO_FEATHER 1\n"); */ \
 270         if(end_x > start_x) \
 271         { \
 272                 for(j = start_x; j < end_x; j++) \
 273                 { \
 274         /* printf("DO_FEATHER 1.1 %d\n", j); */ \
 275                         bzero(val_p, sizeof(double) * frame_h); \
 276                         bzero(val_m, sizeof(double) * frame_h); \
 277                         for(int k = 0; k < frame_h; k++) \
 278                         { \
 279                                 src[k] = (double)in_rows[k][j]; \
 280                         } \
 281          \
 282                         blur_strip(val_p, val_m, dst, src, frame_h, max); \
 283          \
 284                         for(int k = 0; k < frame_h; k++) \
 285                         { \
 286                                 out_rows[k][j] = (type)dst[k]; \
 287                         } \
 288                 } \
 289         } \
 290  \
 291         if(end_y > start_y) \
 292         { \
 293                 for(j = start_y; j < end_y; j++) \
 294                 { \
 295         /* printf("DO_FEATHER 2 %d\n", j); */ \
 296                         bzero(val_p, sizeof(double) * frame_w); \
 297                         bzero(val_m, sizeof(double) * frame_w); \
 298                         for(int k = 0; k < frame_w; k++) \
 299                         { \
 300                                 src[k] = (double)out_rows[j][k]; \
 301                         } \
 302          \
 303                         blur_strip(val_p, val_m, dst, src, frame_w, max); \
 304          \
 305                         for(int k = 0; k < frame_w; k++) \
 306                         { \
 307                                 out_rows[j][k] = (type)dst[k]; \
 308                         } \
 309                 } \
 310         } \
 311  \
 312 /* printf("DO_FEATHER 3\n"); */ \
 313  \
 314         delete [] src; \
 315         delete [] dst; \
 316         delete [] val_p; \
 317         delete [] val_m; \
 318 /* printf("DO_FEATHER 4\n"); */ \
 319 }
 320
 321
 322
 323
 324
 325
 326
 327
 328 //printf("do_feather %d\n", frame->get_color_model());
 329         switch(input->get_color_model())
 330         {
 331                 case BC_A8:
 332                         DO_FEATHER(unsigned char, 0xff);
 333                         break;
 334
 335                 case BC_A16:
 336                         DO_FEATHER(uint16_t, 0xffff);
 337                         break;
 338
 339                 case BC_A_FLOAT:
 340                         DO_FEATHER(float, 1);
 341                         break;
 342         }
 343
 344
 345
 346
 347 }
 348
 349 void MaskUnit::process_package(LoadPackage *package)
 350 {
 351         MaskPackage *ptr = (MaskPackage*)package;
 352
 353         if(engine->recalculate &&
 354                 engine->step == DO_MASK)
 355         {
 356                 VFrame *mask;
 357                 if(engine->feather > 0)
 358                         mask = engine->temp_mask;
 359                 else
 360                         mask = engine->mask;
 361
 362 SET_TRACE
 363 // Generated oversampling frame
 364                 int mask_w = mask->get_w();
 365                 //int mask_h = mask->get_h();
 366                 int oversampled_package_w = mask_w * OVERSAMPLE;
 367                 int oversampled_package_h = (ptr->end_y - ptr->start_y) * OVERSAMPLE;
 368 //printf("MaskUnit::process_package 1\n");
 369
 370 SET_TRACE
 371                 if(temp &&
 372                         (temp->get_w() != oversampled_package_w ||
 373                         temp->get_h() != oversampled_package_h)) {
 374                         delete temp;  temp = 0;
 375                 }
 376 //printf("MaskUnit::process_package 1\n");
 377
 378 SET_TRACE
 379                 if(!temp) {
 380                         temp = new VFrame(oversampled_package_w, oversampled_package_h, BC_A8, 0);
 381                 }
 382
 383 SET_TRACE
 384                 temp->clear_frame();
 385 //printf("MaskUnit::process_package 1 %d\n", engine->point_sets.total);
 386
 387 SET_TRACE
 388
 389 // Draw oversampled region of polygons on temp
 390                 for(int k = 0; k < engine->point_sets.total; k++)
 391                 {
 392                         int old_x, old_y;
 393                         unsigned char max = k + 1;
 394                         ArrayList<MaskPoint*> *points = engine->point_sets.values[k];
 395
 396                         if(points->total < 3) continue;
 397 //printf("MaskUnit::process_package 2 %d %d\n", k, points->total);
 398                         for(int i = 0; i < points->total; i++)
 399                         {
 400                                 MaskPoint *point1 = points->values[i];
 401                                 MaskPoint *point2 = (i >= points->total - 1) ?
 402                                         points->values[0] :
 403                                         points->values[i + 1];
 404
 405                                 float x, y;
 406                                 int segments = (int)(sqrt(SQR(point1->x - point2->x) + SQR(point1->y - point2->y)));
 407                                 if(point1->control_x2 == 0 &&
 408                                         point1->control_y2 == 0 &&
 409                                         point2->control_x1 == 0 &&
 410                                         point2->control_y1 == 0)
 411                                         segments = 1;
 412                                 float x0 = point1->x;
 413                                 float y0 = point1->y;
 414                                 float x1 = point1->x + point1->control_x2;
 415                                 float y1 = point1->y + point1->control_y2;
 416                                 float x2 = point2->x + point2->control_x1;
 417                                 float y2 = point2->y + point2->control_y1;
 418                                 float x3 = point2->x;
 419                                 float y3 = point2->y;
 420
 421                                 for(int j = 0; j <= segments; j++)
 422                                 {
 423                                         float t = (float)j / segments;
 424                                         float tpow2 = t * t;
 425                                         float tpow3 = t * t * t;
 426                                         float invt = 1 - t;
 427                                         float invtpow2 = invt * invt;
 428                                         float invtpow3 = invt * invt * invt;
 429
 430                                         x = (        invtpow3 * x0
 431                                                 + 3 * t     * invtpow2 * x1
 432                                                 + 3 * tpow2 * invt     * x2
 433                                                 +     tpow3            * x3);
 434                                         y = (        invtpow3 * y0
 435                                                 + 3 * t     * invtpow2 * y1
 436                                                 + 3 * tpow2 * invt     * y2
 437                                                 +     tpow3            * y3);
 438
 439                                         y -= ptr->start_y;
 440                                         x *= OVERSAMPLE;
 441                                         y *= OVERSAMPLE;
 442
 443                                         if(j > 0)
 444                                         {
 445                                                 draw_line_clamped(temp, old_x, old_y, (int)x, (int)y, max);
 446                                         }
 447
 448                                         old_x = (int)x;
 449                                         old_y = (int)y;
 450                                 }
 451                         }
 452
 453 SET_TRACE
 454 //printf("MaskUnit::process_package 1\n");
 455
 456
 457
 458
 459
 460 // Fill in the polygon in the horizontal direction
 461                         for(int i = 0; i < oversampled_package_h; i++)
 462                         {
 463                                 unsigned char *row = (unsigned char*)temp->get_rows()[i];
 464                                 int value = 0x0;
 465                                 int total = 0;
 466
 467                                 for(int j = 0; j < oversampled_package_w; j++)
 468                                         if(row[j] == max) total++;
 469
 470                                 if(total > 1)
 471                                 {
 472                                         if(total & 0x1) total--;
 473                                         for(int j = 0; j < oversampled_package_w; j++)
 474                                         {
 475                                                 if(row[j] == max && total > 0)
 476                                                 {
 477                                                         if(value)
 478                                                                 value = 0x0;
 479                                                         else
 480                                                                 value = max;
 481                                                         total--;
 482                                                 }
 483                                                 else
 484                                                 {
 485                                                         if(value) row[j] = value;
 486                                                 }
 487                                         }
 488                                 }
 489                         }
 490                 }
 491
 492
 493 SET_TRACE
 494
 495
 496
 497
 498
 499 #define DOWNSAMPLE(type, temp_type, value) \
 500 for(int i = 0; i < ptr->end_y - ptr->start_y; i++) \
 501 { \
 502         type *output_row = (type*)mask->get_rows()[i + ptr->start_y]; \
 503         unsigned char **input_rows = (unsigned char**)temp->get_rows() + i * OVERSAMPLE; \
 504  \
 505  \
 506         for(int j = 0; j < mask_w; j++) \
 507         { \
 508                 temp_type total = 0; \
 509  \
 510 /* Accumulate pixel */ \
 511                 for(int k = 0; k < OVERSAMPLE; k++) \
 512                 { \
 513                         unsigned char *input_vector = input_rows[k] + j * OVERSAMPLE; \
 514                         for(int l = 0; l < OVERSAMPLE; l++) \
 515                         { \
 516                                 total += (input_vector[l] ? value : 0); \
 517                         } \
 518                 } \
 519  \
 520 /* Divide pixel */ \
 521                 total /= OVERSAMPLE * OVERSAMPLE; \
 522  \
 523                 output_row[j] = total; \
 524         } \
 525 }
 526
 527 SET_TRACE
 528
 529 // Downsample polygon
 530                 switch(mask->get_color_model())
 531                 {
 532                         case BC_A8:
 533                         {
 534                                 unsigned char value;
 535                                 value = (int)((float)engine->value / 100 * 0xff);
 536                                 DOWNSAMPLE(unsigned char, int64_t, value);
 537                                 break;
 538                         }
 539
 540                         case BC_A16:
 541                         {
 542                                 uint16_t value;
 543                                 value = (int)((float)engine->value / 100 * 0xffff);
 544                                 DOWNSAMPLE(uint16_t, int64_t, value);
 545                                 break;
 546                         }
 547
 548                         case BC_A_FLOAT:
 549                         {
 550                                 float value;
 551                                 value = (float)engine->value / 100;
 552                                 DOWNSAMPLE(float, double, value);
 553                                 break;
 554                         }
 555                 }
 556         }
 557
 558 SET_TRACE
 559
 560 SET_TRACE
 561
 562         if(engine->step == DO_X_FEATHER)
 563         {
 564
 565                 if(engine->recalculate)
 566                 {
 567 // Feather polygon
 568                         if(engine->feather > 0) do_feather(engine->mask,
 569                                 engine->temp_mask,
 570                                 engine->feather,
 571                                 ptr->start_y,
 572                                 ptr->end_y,
 573                                 0,
 574                                 0);
 575                 }
 576 //printf("MaskUnit::process_package 3 %f\n", engine->feather);
 577         }
 578
 579         if(engine->step == DO_Y_FEATHER)
 580         {
 581                 if(engine->recalculate)
 582                 {
 583 // Feather polygon
 584                         if(engine->feather > 0) do_feather(engine->mask,
 585                                 engine->temp_mask,
 586                                 engine->feather,
 587                                 0,
 588                                 0,
 589                                 ptr->start_x,
 590                                 ptr->end_x);
 591                 }
 592         }
 593
 594         if(engine->step == DO_APPLY)
 595         {
 596 // Apply mask
 597                 int mask_w = engine->mask->get_w();
 598
 599
 600 #define APPLY_MASK_SUBTRACT_ALPHA(type, max, components, do_yuv) \
 601 { \
 602         type *output_row = (type*)engine->output->get_rows()[i]; \
 603         type *mask_row = (type*)engine->mask->get_rows()[i]; \
 604         int chroma_offset = (int)(max + 1) / 2; \
 605  \
 606         for(int j  = 0; j < mask_w; j++) \
 607         { \
 608                 if(components == 4) \
 609                 { \
 610                         output_row[j * 4 + 3] = output_row[j * 4 + 3] * (max - mask_row[j]) / max; \
 611                 } \
 612                 else \
 613                 { \
 614                         output_row[j * 3] = output_row[j * 3] * (max - mask_row[j]) / max; \
 615  \
 616                         output_row[j * 3 + 1] = output_row[j * 3 + 1] * (max - mask_row[j]) / max; \
 617                         output_row[j * 3 + 2] = output_row[j * 3 + 2] * (max - mask_row[j]) / max; \
 618  \
 619                         if(do_yuv) \
 620                         { \
 621                                 output_row[j * 3 + 1] += chroma_offset * mask_row[j] / max; \
 622                                 output_row[j * 3 + 2] += chroma_offset * mask_row[j] / max; \
 623                         } \
 624                 } \
 625         } \
 626 }
 627
 628 #define APPLY_MASK_MULTIPLY_ALPHA(type, max, components, do_yuv) \
 629 { \
 630         type *output_row = (type*)engine->output->get_rows()[i]; \
 631         type *mask_row = (type*)engine->mask->get_rows()[i]; \
 632         int chroma_offset = (int)(max + 1) / 2; \
 633  \
 634         for(int j  = 0; j < mask_w; j++) \
 635         { \
 636                 if(components == 4) \
 637                 { \
 638                         output_row[j * 4 + 3] = output_row[j * 4 + 3] * mask_row[j] / max; \
 639                 } \
 640                 else \
 641                 { \
 642                         output_row[j * 3] = output_row[j * 3] * mask_row[j] / max; \
 643  \
 644                         output_row[j * 3 + 1] = output_row[j * 3 + 1] * mask_row[j] / max; \
 645                         output_row[j * 3 + 2] = output_row[j * 3 + 2] * mask_row[j] / max; \
 646  \
 647                         if(do_yuv) \
 648                         { \
 649                                 output_row[j * 3 + 1] += chroma_offset * (max - mask_row[j]) / max; \
 650                                 output_row[j * 3 + 2] += chroma_offset * (max - mask_row[j]) / max; \
 651                         } \
 652                 } \
 653         } \
 654 }
 655
 656
 657
 658
 659 //printf("MaskUnit::process_package 1 %d\n", engine->mode);
 660                 for(int i = ptr->start_y; i < ptr->end_y; i++)
 661                 {
 662                         switch(engine->mode)
 663                         {
 664                                 case MASK_MULTIPLY_ALPHA:
 665                                         switch(engine->output->get_color_model())
 666                                         {
 667                                                 case BC_RGB888:
 668                                                         APPLY_MASK_MULTIPLY_ALPHA(unsigned char, 0xff, 3, 0);
 669                                                         break;
 670                                                 case BC_RGB_FLOAT:
 671                                                         APPLY_MASK_MULTIPLY_ALPHA(float, 1.0, 3, 0);
 672                                                         break;
 673                                                 case BC_YUV888:
 674                                                         APPLY_MASK_MULTIPLY_ALPHA(unsigned char, 0xff, 3, 1);
 675                                                         break;
 676                                                 case BC_RGBA_FLOAT:
 677                                                         APPLY_MASK_MULTIPLY_ALPHA(float, 1.0, 4, 0);
 678                                                         break;
 679                                                 case BC_YUVA8888:
 680                                                         APPLY_MASK_MULTIPLY_ALPHA(unsigned char, 0xff, 4, 1);
 681                                                         break;
 682                                                 case BC_RGBA8888:
 683                                                         APPLY_MASK_MULTIPLY_ALPHA(unsigned char, 0xff, 4, 0);
 684                                                         break;
 685                                                 case BC_RGB161616:
 686                                                         APPLY_MASK_MULTIPLY_ALPHA(uint16_t, 0xffff, 3, 0);
 687                                                         break;
 688                                                 case BC_YUV161616:
 689                                                         APPLY_MASK_MULTIPLY_ALPHA(uint16_t, 0xffff, 3, 1);
 690                                                         break;
 691                                                 case BC_YUVA16161616:
 692                                                         APPLY_MASK_MULTIPLY_ALPHA(uint16_t, 0xffff, 4, 1);
 693                                                         break;
 694                                                 case BC_RGBA16161616:
 695                                                         APPLY_MASK_MULTIPLY_ALPHA(uint16_t, 0xffff, 4, 0);
 696                                                         break;
 697                                         }
 698                                         break;
 699
 700                                 case MASK_SUBTRACT_ALPHA:
 701                                         switch(engine->output->get_color_model())
 702                                         {
 703                                                 case BC_RGB888:
 704                                                         APPLY_MASK_SUBTRACT_ALPHA(unsigned char, 0xff, 3, 0);
 705                                                         break;
 706                                                 case BC_RGB_FLOAT:
 707                                                         APPLY_MASK_SUBTRACT_ALPHA(float, 1.0, 3, 0);
 708                                                         break;
 709                                                 case BC_RGBA_FLOAT:
 710                                                         APPLY_MASK_SUBTRACT_ALPHA(float, 1.0, 4, 0);
 711                                                         break;
 712                                                 case BC_RGBA8888:
 713                                                         APPLY_MASK_SUBTRACT_ALPHA(unsigned char, 0xff, 4, 0);
 714                                                         break;
 715                                                 case BC_YUV888:
 716                                                         APPLY_MASK_SUBTRACT_ALPHA(unsigned char, 0xff, 3, 1);
 717                                                         break;
 718                                                 case BC_YUVA8888:
 719                                                         APPLY_MASK_SUBTRACT_ALPHA(unsigned char, 0xff, 4, 1);
 720                                                         break;
 721                                                 case BC_RGB161616:
 722                                                         APPLY_MASK_SUBTRACT_ALPHA(uint16_t, 0xffff, 3, 0);
 723                                                         break;
 724                                                 case BC_RGBA16161616:
 725                                                         APPLY_MASK_SUBTRACT_ALPHA(uint16_t, 0xffff, 4, 0);
 726                                                         break;
 727                                                 case BC_YUV161616:
 728                                                         APPLY_MASK_SUBTRACT_ALPHA(uint16_t, 0xffff, 3, 1);
 729                                                         break;
 730                                                 case BC_YUVA16161616:
 731                                                         APPLY_MASK_SUBTRACT_ALPHA(uint16_t, 0xffff, 4, 1);
 732                                                         break;
 733                                         }
 734                                         break;
 735                         }
 736                 }
 737         }
 738 }
 739
 740
 741
 742
 743
 744 MaskEngine::MaskEngine(int cpus)
 745  : LoadServer(cpus, cpus * OVERSAMPLE * 2)
 746 // : LoadServer(1, OVERSAMPLE * 2)
 747 {
 748         mask = 0;
 749 }
 750
 751 MaskEngine::~MaskEngine()
 752 {
 753         if(mask)
 754         {
 755                 delete mask;
 756                 delete temp_mask;
 757         }
 758
 759         for(int i = 0; i < point_sets.total; i++)
 760         {
 761                 ArrayList<MaskPoint*> *points = point_sets.values[i];
 762                 points->remove_all_objects();
 763         }
 764         point_sets.remove_all_objects();
 765 }
 766
 767 int MaskEngine::points_equivalent(ArrayList<MaskPoint*> *new_points,
 768         ArrayList<MaskPoint*> *points)
 769 {
 770 //printf("MaskEngine::points_equivalent %d %d\n", new_points->total, points->total);
 771         if(new_points->total != points->total) return 0;
 772
 773         for(int i = 0; i < new_points->total; i++)
 774         {
 775                 if(!(*new_points->values[i] == *points->values[i])) return 0;
 776         }
 777
 778         return 1;
 779 }
 780
 781 void MaskEngine::do_mask(VFrame *output,
 782         int64_t start_position_project,
 783         MaskAutos *keyframe_set,
 784         MaskAuto *keyframe,
 785         MaskAuto *default_auto)
 786 {
 787         int new_color_model = 0;
 788         recalculate = 0;
 789
 790         switch(output->get_color_model())
 791         {
 792                 case BC_RGB_FLOAT:
 793                 case BC_RGBA_FLOAT:
 794                         new_color_model = BC_A_FLOAT;
 795                         break;
 796
 797                 case BC_RGB888:
 798                 case BC_RGBA8888:
 799                 case BC_YUV888:
 800                 case BC_YUVA8888:
 801                         new_color_model = BC_A8;
 802                         break;
 803
 804                 case BC_RGB161616:
 805                 case BC_RGBA16161616:
 806                 case BC_YUV161616:
 807                 case BC_YUVA16161616:
 808                         new_color_model = BC_A16;
 809                         break;
 810         }
 811
 812 // Determine if recalculation is needed
 813 SET_TRACE
 814
 815         if(mask &&
 816                 (mask->get_w() != output->get_w() ||
 817                 mask->get_h() != output->get_h() ||
 818                 mask->get_color_model() != new_color_model))
 819         {
 820                 delete mask;
 821                 delete temp_mask;
 822                 mask = 0;
 823                 recalculate = 1;
 824         }
 825
 826         if(!recalculate)
 827         {
 828                 if(point_sets.total != keyframe_set->total_submasks(start_position_project,
 829                         PLAY_FORWARD))
 830                         recalculate = 1;
 831         }
 832
 833         if(!recalculate)
 834         {
 835                 for(int i = 0;
 836                         i < keyframe_set->total_submasks(start_position_project,
 837                                 PLAY_FORWARD) && !recalculate;
 838                         i++)
 839                 {
 840                         ArrayList<MaskPoint*> *new_points = new ArrayList<MaskPoint*>;
 841                         keyframe_set->get_points(new_points,
 842                                 i,
 843                                 start_position_project,
 844                                 PLAY_FORWARD);
 845                         if(!points_equivalent(new_points, point_sets.values[i])) recalculate = 1;
 846                         new_points->remove_all_objects();
 847                         delete new_points;
 848                 }
 849         }
 850
 851         int new_value = keyframe_set->get_value(start_position_project,
 852                 PLAY_FORWARD);
 853         float new_feather = keyframe_set->get_feather(start_position_project,
 854                 PLAY_FORWARD);
 855
 856         if(recalculate ||
 857                 !EQUIV(new_feather, feather) ||
 858                 !EQUIV(new_value, value))
 859         {
 860                 recalculate = 1;
 861                 if(!mask)
 862                 {
 863                         mask = new VFrame(output->get_w(), output->get_h(),
 864                                         new_color_model, 0);
 865                         temp_mask = new VFrame(output->get_w(), output->get_h(),
 866                                         new_color_model, 0);
 867                 }
 868                 if(new_feather > 0)
 869                         temp_mask->clear_frame();
 870                 else
 871                         mask->clear_frame();
 872
 873                 for(int i = 0; i < point_sets.total; i++)
 874                 {
 875                         ArrayList<MaskPoint*> *points = point_sets.values[i];
 876                         points->remove_all_objects();
 877                 }
 878                 point_sets.remove_all_objects();
 879
 880                 for(int i = 0;
 881                         i < keyframe_set->total_submasks(start_position_project,
 882                                 PLAY_FORWARD);
 883                         i++)
 884                 {
 885                         ArrayList<MaskPoint*> *new_points = new ArrayList<MaskPoint*>;
 886                         keyframe_set->get_points(new_points,
 887                                 i,
 888                                 start_position_project,
 889                                 PLAY_FORWARD);
 890                         point_sets.append(new_points);
 891                 }
 892         }
 893
 894
 895
 896         this->output = output;
 897         this->mode = default_auto->mode;
 898         this->feather = new_feather;
 899         this->value = new_value;
 900
 901
 902 // Run units
 903 SET_TRACE
 904         step = DO_MASK;
 905         process_packages();
 906         step = DO_Y_FEATHER;
 907         process_packages();
 908         step = DO_X_FEATHER;
 909         process_packages();
 910         step = DO_APPLY;
 911         process_packages();
 912 SET_TRACE
 913
 914
 915 }
 916
 917 void MaskEngine::init_packages()
 918 {
 919 SET_TRACE
 920 //printf("MaskEngine::init_packages 1\n");
 921         int x0 = 0, y0 = 0, i = 0, n = get_total_packages();
 922         int out_w = output->get_w(), out_h = output->get_h();
 923 SET_TRACE
 924         while( i < n ) {
 925                 MaskPackage *ptr = (MaskPackage*)get_package(i++);
 926                 int x1 = (out_w * i) / n, y1 = (out_h * i) / n;
 927                 ptr->start_x = x0;  ptr->end_x = x1;
 928                 ptr->start_y = y0;  ptr->end_y = y1;
 929                 x0 = x1;  y0 = y1;
 930         }
 931 SET_TRACE
 932 //printf("MaskEngine::init_packages 2\n");
 933 }
 934
 935 LoadClient* MaskEngine::new_client()
 936 {
 937         return new MaskUnit(this);
 938 }
 939
 940 LoadPackage* MaskEngine::new_package()
 941 {
 942         return new MaskPackage;
 943 }
 944