4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
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.
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.
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
22 #include "bcsignals.h"
23 #include "condition.h"
26 #include "maskautos.h"
27 #include "maskengine.h"
29 #include "transportque.inc"
36 MaskPackage::MaskPackage()
40 MaskPackage::~MaskPackage()
50 MaskUnit::MaskUnit(MaskEngine *engine)
53 this->engine = engine;
81 void MaskUnit::draw_line_clamped(VFrame *frame,
108 unsigned char **rows = (unsigned char**)frame->get_rows();
110 if(draw_y2 != draw_y1)
112 float slope = ((float)draw_x2 - draw_x1) / ((float)draw_y2 - draw_y1);
113 int w = frame->get_w() - 1;
114 int h = frame->get_h();
116 for(float y = draw_y1; y < draw_y2; y++)
120 int x = (int)((y - draw_y1) * slope + draw_x1);
122 int x_i = CLIP(x, 0, w);
124 if(rows[y_i][x_i] == k)
133 void MaskUnit::blur_strip(double *val_p,
141 double *sp_m = src + size - 1;
143 double *vm = val_m + size - 1;
144 double initial_p = sp_p[0];
145 double initial_m = sp_m[0];
147 //printf("MaskUnit::blur_strip %d\n", size);
148 for(int k = 0; k < size; k++)
150 int terms = (k < 4) ? k : 4;
152 for(l = 0; l <= terms; l++)
154 *vp += n_p[l] * sp_p[-l] - d_p[l] * vp[-l];
155 *vm += n_m[l] * sp_m[l] - d_m[l] * vm[l];
160 *vp += (n_p[l] - bd_p[l]) * initial_p;
161 *vm += (n_m[l] - bd_m[l]) * initial_m;
169 for(int i = 0; i < size; i++)
171 double sum = val_p[i] + val_m[i];
177 void MaskUnit::do_feather(VFrame *output,
185 //printf("MaskUnit::do_feather %f\n", feather);
189 double std_dev = sqrt(-(double)(feather * feather) / (2 * log(1.0 / 255.0)));
190 div = sqrt(2 * M_PI) * std_dev;
191 constants[0] = -1.783 / std_dev;
192 constants[1] = -1.723 / std_dev;
193 constants[2] = 0.6318 / std_dev;
194 constants[3] = 1.997 / std_dev;
195 constants[4] = 1.6803 / div;
196 constants[5] = 3.735 / div;
197 constants[6] = -0.6803 / div;
198 constants[7] = -0.2598 / div;
200 n_p[0] = constants[4] + constants[6];
201 n_p[1] = exp(constants[1]) *
202 (constants[7] * sin(constants[3]) -
203 (constants[6] + 2 * constants[4]) * cos(constants[3])) +
205 (constants[5] * sin(constants[2]) -
206 (2 * constants[6] + constants[4]) * cos(constants[2]));
208 n_p[2] = 2 * exp(constants[0] + constants[1]) *
209 ((constants[4] + constants[6]) * cos(constants[3]) *
210 cos(constants[2]) - constants[5] *
211 cos(constants[3]) * sin(constants[2]) -
212 constants[7] * cos(constants[2]) * sin(constants[3])) +
213 constants[6] * exp(2 * constants[0]) +
214 constants[4] * exp(2 * constants[1]);
216 n_p[3] = exp(constants[1] + 2 * constants[0]) *
217 (constants[7] * sin(constants[3]) -
218 constants[6] * cos(constants[3])) +
219 exp(constants[0] + 2 * constants[1]) *
220 (constants[5] * sin(constants[2]) - constants[4] *
225 d_p[1] = -2 * exp(constants[1]) * cos(constants[3]) -
226 2 * exp(constants[0]) * cos(constants[2]);
228 d_p[2] = 4 * cos(constants[3]) * cos(constants[2]) *
229 exp(constants[0] + constants[1]) +
230 exp(2 * constants[1]) + exp (2 * constants[0]);
232 d_p[3] = -2 * cos(constants[2]) * exp(constants[0] + 2 * constants[1]) -
233 2 * cos(constants[3]) * exp(constants[1] + 2 * constants[0]);
235 d_p[4] = exp(2 * constants[0] + 2 * constants[1]);
237 for(int i = 0; i < 5; i++) d_m[i] = d_p[i];
240 for(int i = 1; i <= 4; i++)
241 n_m[i] = n_p[i] - d_p[i] * n_p[0];
243 double sum_n_p, sum_n_m, sum_d;
249 for(int i = 0; i < 5; i++)
256 a = sum_n_p / (1 + sum_d);
257 b = sum_n_m / (1 + sum_d);
259 for(int i = 0; i < 5; i++)
261 bd_p[i] = d_p[i] * a;
262 bd_m[i] = d_m[i] * b;
286 #define DO_FEATHER(type, max) \
288 int frame_w = input->get_w(); \
289 int frame_h = input->get_h(); \
290 int size = MAX(frame_w, frame_h); \
291 double *src = new double[size]; \
292 double *dst = new double[size]; \
293 double *val_p = new double[size]; \
294 double *val_m = new double[size]; \
295 type **in_rows = (type**)input->get_rows(); \
296 type **out_rows = (type**)output->get_rows(); \
299 /* printf("DO_FEATHER 1\n"); */ \
300 if(end_x > start_x) \
302 for(j = start_x; j < end_x; j++) \
304 /* printf("DO_FEATHER 1.1 %d\n", j); */ \
305 bzero(val_p, sizeof(double) * frame_h); \
306 bzero(val_m, sizeof(double) * frame_h); \
307 for(int k = 0; k < frame_h; k++) \
309 src[k] = (double)in_rows[k][j]; \
312 blur_strip(val_p, val_m, dst, src, frame_h, max); \
314 for(int k = 0; k < frame_h; k++) \
316 out_rows[k][j] = (type)dst[k]; \
321 if(end_y > start_y) \
323 for(j = start_y; j < end_y; j++) \
325 /* printf("DO_FEATHER 2 %d\n", j); */ \
326 bzero(val_p, sizeof(double) * frame_w); \
327 bzero(val_m, sizeof(double) * frame_w); \
328 for(int k = 0; k < frame_w; k++) \
330 src[k] = (double)out_rows[j][k]; \
333 blur_strip(val_p, val_m, dst, src, frame_w, max); \
335 for(int k = 0; k < frame_w; k++) \
337 out_rows[j][k] = (type)dst[k]; \
342 /* printf("DO_FEATHER 3\n"); */ \
348 /* printf("DO_FEATHER 4\n"); */ \
358 //printf("do_feather %d\n", frame->get_color_model());
359 switch(input->get_color_model())
362 DO_FEATHER(unsigned char, 0xff);
366 DO_FEATHER(uint16_t, 0xffff);
370 DO_FEATHER(float, 1);
379 void MaskUnit::process_package(LoadPackage *package)
381 MaskPackage *ptr = (MaskPackage*)package;
383 if(engine->recalculate &&
384 engine->step == DO_MASK)
387 if(engine->feather > 0)
388 mask = engine->temp_mask;
393 // Generated oversampling frame
394 int mask_w = mask->get_w();
395 //int mask_h = mask->get_h();
396 int oversampled_package_w = mask_w * OVERSAMPLE;
397 int oversampled_package_h = (ptr->end_y - ptr->start_y) * OVERSAMPLE;
398 //printf("MaskUnit::process_package 1\n");
402 (temp->get_w() != oversampled_package_w ||
403 temp->get_h() != oversampled_package_h))
408 //printf("MaskUnit::process_package 1\n");
415 oversampled_package_w,
416 oversampled_package_h,
423 //printf("MaskUnit::process_package 1 %d\n", engine->point_sets.total);
427 // Draw oversampled region of polygons on temp
428 for(int k = 0; k < engine->point_sets.total; k++)
431 unsigned char max = k + 1;
432 ArrayList<MaskPoint*> *points = engine->point_sets.values[k];
434 if(points->total < 3) continue;
435 //printf("MaskUnit::process_package 2 %d %d\n", k, points->total);
436 for(int i = 0; i < points->total; i++)
438 MaskPoint *point1 = points->values[i];
439 MaskPoint *point2 = (i >= points->total - 1) ?
441 points->values[i + 1];
444 int segments = (int)(sqrt(SQR(point1->x - point2->x) + SQR(point1->y - point2->y)));
445 if(point1->control_x2 == 0 &&
446 point1->control_y2 == 0 &&
447 point2->control_x1 == 0 &&
448 point2->control_y1 == 0)
450 float x0 = point1->x;
451 float y0 = point1->y;
452 float x1 = point1->x + point1->control_x2;
453 float y1 = point1->y + point1->control_y2;
454 float x2 = point2->x + point2->control_x1;
455 float y2 = point2->y + point2->control_y1;
456 float x3 = point2->x;
457 float y3 = point2->y;
459 for(int j = 0; j <= segments; j++)
461 float t = (float)j / segments;
463 float tpow3 = t * t * t;
465 float invtpow2 = invt * invt;
466 float invtpow3 = invt * invt * invt;
469 + 3 * t * invtpow2 * x1
470 + 3 * tpow2 * invt * x2
473 + 3 * t * invtpow2 * y1
474 + 3 * tpow2 * invt * y2
483 draw_line_clamped(temp, old_x, old_y, (int)x, (int)y, max);
492 //printf("MaskUnit::process_package 1\n");
498 // Fill in the polygon in the horizontal direction
499 for(int i = 0; i < oversampled_package_h; i++)
501 unsigned char *row = (unsigned char*)temp->get_rows()[i];
505 for(int j = 0; j < oversampled_package_w; j++)
506 if(row[j] == max) total++;
510 if(total & 0x1) total--;
511 for(int j = 0; j < oversampled_package_w; j++)
513 if(row[j] == max && total > 0)
523 if(value) row[j] = value;
537 #define DOWNSAMPLE(type, temp_type, value) \
538 for(int i = 0; i < ptr->end_y - ptr->start_y; i++) \
540 type *output_row = (type*)mask->get_rows()[i + ptr->start_y]; \
541 unsigned char **input_rows = (unsigned char**)temp->get_rows() + i * OVERSAMPLE; \
544 for(int j = 0; j < mask_w; j++) \
546 temp_type total = 0; \
548 /* Accumulate pixel */ \
549 for(int k = 0; k < OVERSAMPLE; k++) \
551 unsigned char *input_vector = input_rows[k] + j * OVERSAMPLE; \
552 for(int l = 0; l < OVERSAMPLE; l++) \
554 total += (input_vector[l] ? value : 0); \
559 total /= OVERSAMPLE * OVERSAMPLE; \
561 output_row[j] = total; \
567 // Downsample polygon
568 switch(mask->get_color_model())
573 value = (int)((float)engine->value / 100 * 0xff);
574 DOWNSAMPLE(unsigned char, int64_t, value);
581 value = (int)((float)engine->value / 100 * 0xffff);
582 DOWNSAMPLE(uint16_t, int64_t, value);
589 value = (float)engine->value / 100;
590 DOWNSAMPLE(float, double, value);
600 if(engine->step == DO_X_FEATHER)
603 if(engine->recalculate)
606 if(engine->feather > 0) do_feather(engine->mask,
614 //printf("MaskUnit::process_package 3 %f\n", engine->feather);
617 if(engine->step == DO_Y_FEATHER)
619 if(engine->recalculate)
622 if(engine->feather > 0) do_feather(engine->mask,
632 if(engine->step == DO_APPLY)
635 int mask_w = engine->mask->get_w();
638 #define APPLY_MASK_SUBTRACT_ALPHA(type, max, components, do_yuv) \
640 type *output_row = (type*)engine->output->get_rows()[i]; \
641 type *mask_row = (type*)engine->mask->get_rows()[i]; \
642 int chroma_offset = (int)(max + 1) / 2; \
644 for(int j = 0; j < mask_w; j++) \
646 if(components == 4) \
648 output_row[j * 4 + 3] = output_row[j * 4 + 3] * (max - mask_row[j]) / max; \
652 output_row[j * 3] = output_row[j * 3] * (max - mask_row[j]) / max; \
654 output_row[j * 3 + 1] = output_row[j * 3 + 1] * (max - mask_row[j]) / max; \
655 output_row[j * 3 + 2] = output_row[j * 3 + 2] * (max - mask_row[j]) / max; \
659 output_row[j * 3 + 1] += chroma_offset * mask_row[j] / max; \
660 output_row[j * 3 + 2] += chroma_offset * mask_row[j] / max; \
666 #define APPLY_MASK_MULTIPLY_ALPHA(type, max, components, do_yuv) \
668 type *output_row = (type*)engine->output->get_rows()[i]; \
669 type *mask_row = (type*)engine->mask->get_rows()[i]; \
670 int chroma_offset = (int)(max + 1) / 2; \
672 for(int j = 0; j < mask_w; j++) \
674 if(components == 4) \
676 output_row[j * 4 + 3] = output_row[j * 4 + 3] * mask_row[j] / max; \
680 output_row[j * 3] = output_row[j * 3] * mask_row[j] / max; \
682 output_row[j * 3 + 1] = output_row[j * 3 + 1] * mask_row[j] / max; \
683 output_row[j * 3 + 2] = output_row[j * 3 + 2] * mask_row[j] / max; \
687 output_row[j * 3 + 1] += chroma_offset * (max - mask_row[j]) / max; \
688 output_row[j * 3 + 2] += chroma_offset * (max - mask_row[j]) / max; \
697 //printf("MaskUnit::process_package 1 %d\n", engine->mode);
698 for(int i = ptr->start_y; i < ptr->end_y; i++)
702 case MASK_MULTIPLY_ALPHA:
703 switch(engine->output->get_color_model())
706 APPLY_MASK_MULTIPLY_ALPHA(unsigned char, 0xff, 3, 0);
709 APPLY_MASK_MULTIPLY_ALPHA(float, 1.0, 3, 0);
712 APPLY_MASK_MULTIPLY_ALPHA(unsigned char, 0xff, 3, 1);
715 APPLY_MASK_MULTIPLY_ALPHA(float, 1.0, 4, 0);
718 APPLY_MASK_MULTIPLY_ALPHA(unsigned char, 0xff, 4, 1);
721 APPLY_MASK_MULTIPLY_ALPHA(unsigned char, 0xff, 4, 0);
724 APPLY_MASK_MULTIPLY_ALPHA(uint16_t, 0xffff, 3, 0);
727 APPLY_MASK_MULTIPLY_ALPHA(uint16_t, 0xffff, 3, 1);
729 case BC_YUVA16161616:
730 APPLY_MASK_MULTIPLY_ALPHA(uint16_t, 0xffff, 4, 1);
732 case BC_RGBA16161616:
733 APPLY_MASK_MULTIPLY_ALPHA(uint16_t, 0xffff, 4, 0);
738 case MASK_SUBTRACT_ALPHA:
739 switch(engine->output->get_color_model())
742 APPLY_MASK_SUBTRACT_ALPHA(unsigned char, 0xff, 3, 0);
745 APPLY_MASK_SUBTRACT_ALPHA(float, 1.0, 3, 0);
748 APPLY_MASK_SUBTRACT_ALPHA(float, 1.0, 4, 0);
751 APPLY_MASK_SUBTRACT_ALPHA(unsigned char, 0xff, 4, 0);
754 APPLY_MASK_SUBTRACT_ALPHA(unsigned char, 0xff, 3, 1);
757 APPLY_MASK_SUBTRACT_ALPHA(unsigned char, 0xff, 4, 1);
760 APPLY_MASK_SUBTRACT_ALPHA(uint16_t, 0xffff, 3, 0);
762 case BC_RGBA16161616:
763 APPLY_MASK_SUBTRACT_ALPHA(uint16_t, 0xffff, 4, 0);
766 APPLY_MASK_SUBTRACT_ALPHA(uint16_t, 0xffff, 3, 1);
768 case BC_YUVA16161616:
769 APPLY_MASK_SUBTRACT_ALPHA(uint16_t, 0xffff, 4, 1);
782 MaskEngine::MaskEngine(int cpus)
783 : LoadServer(cpus, cpus * OVERSAMPLE * 2)
784 // : LoadServer(1, OVERSAMPLE * 2)
789 MaskEngine::~MaskEngine()
797 for(int i = 0; i < point_sets.total; i++)
799 ArrayList<MaskPoint*> *points = point_sets.values[i];
800 points->remove_all_objects();
802 point_sets.remove_all_objects();
805 int MaskEngine::points_equivalent(ArrayList<MaskPoint*> *new_points,
806 ArrayList<MaskPoint*> *points)
808 //printf("MaskEngine::points_equivalent %d %d\n", new_points->total, points->total);
809 if(new_points->total != points->total) return 0;
811 for(int i = 0; i < new_points->total; i++)
813 if(!(*new_points->values[i] == *points->values[i])) return 0;
819 void MaskEngine::do_mask(VFrame *output,
820 int64_t start_position_project,
821 MaskAutos *keyframe_set,
823 MaskAuto *default_auto)
825 int new_color_model = 0;
828 switch(output->get_color_model())
832 new_color_model = BC_A_FLOAT;
839 new_color_model = BC_A8;
843 case BC_RGBA16161616:
845 case BC_YUVA16161616:
846 new_color_model = BC_A16;
850 // Determine if recalculation is needed
854 (mask->get_w() != output->get_w() ||
855 mask->get_h() != output->get_h() ||
856 mask->get_color_model() != new_color_model))
866 if(point_sets.total != keyframe_set->total_submasks(start_position_project,
874 i < keyframe_set->total_submasks(start_position_project,
875 PLAY_FORWARD) && !recalculate;
878 ArrayList<MaskPoint*> *new_points = new ArrayList<MaskPoint*>;
879 keyframe_set->get_points(new_points,
881 start_position_project,
883 if(!points_equivalent(new_points, point_sets.values[i])) recalculate = 1;
884 new_points->remove_all_objects();
889 int new_value = keyframe_set->get_value(start_position_project,
891 float new_feather = keyframe_set->get_feather(start_position_project,
895 !EQUIV(new_feather, feather) ||
896 !EQUIV(new_value, value))
907 temp_mask = new VFrame(0,
915 temp_mask->clear_frame();
919 for(int i = 0; i < point_sets.total; i++)
921 ArrayList<MaskPoint*> *points = point_sets.values[i];
922 points->remove_all_objects();
924 point_sets.remove_all_objects();
927 i < keyframe_set->total_submasks(start_position_project,
931 ArrayList<MaskPoint*> *new_points = new ArrayList<MaskPoint*>;
932 keyframe_set->get_points(new_points,
934 start_position_project,
936 point_sets.append(new_points);
942 this->output = output;
943 this->mode = default_auto->mode;
944 this->feather = new_feather;
945 this->value = new_value;
963 void MaskEngine::init_packages()
966 //printf("MaskEngine::init_packages 1\n");
967 int division = (int)((float)output->get_h() / (get_total_packages() / 2) + 0.5);
968 if(division < 1) division = 1;
971 for(int i = 0; i < get_total_packages(); i++)
973 MaskPackage *ptr = (MaskPackage*)get_package(i);
975 ptr->start_y = output->get_h() * i / get_total_packages();
976 ptr->end_y = output->get_h() * (i + 1) / get_total_packages();
978 ptr->start_x = output->get_w() * i / get_total_packages();
979 ptr->end_x = output->get_w() * (i + 1) / get_total_packages();
982 //printf("MaskEngine::init_packages 2\n");
985 LoadClient* MaskEngine::new_client()
987 return new MaskUnit(this);
990 LoadPackage* MaskEngine::new_package()
992 return new MaskPackage;