4 * Copyright (C) 1997-2012 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
27 #include "findobjwindow.h"
29 #include "overlayframe.h"
31 #include "pluginserver.h"
38 REGISTER_PLUGIN(FindObjMain)
40 FindObjConfig::FindObjConfig()
45 void FindObjConfig::reset()
47 algorithm = NO_ALGORITHM;
49 mode = MODE_QUADRILATERAL;
56 draw_scene_border = 0;
58 draw_object_border = 0;
59 draw_replace_border = 0;
60 object_x = 50; object_y = 50;
61 object_w = 100; object_h = 100;
63 scene_x = 50; scene_y = 50;
64 scene_w = 100; scene_h = 100;
66 replace_x = 50; replace_y = 50;
67 replace_w = 100; replace_h = 100;
68 replace_dx = 0; replace_dy = 0;
76 void FindObjConfig::boundaries()
78 bclamp(object_x, 0, 100); bclamp(object_y, 0, 100);
79 bclamp(object_w, 0, 100); bclamp(object_h, 0, 100);
80 bclamp(scene_x, 0, 100); bclamp(scene_y, 0, 100);
81 bclamp(scene_w, 0, 100); bclamp(scene_h, 0, 100);
82 bclamp(object_layer, MIN_LAYER, MAX_LAYER);
83 bclamp(replace_layer, MIN_LAYER, MAX_LAYER);
84 bclamp(scene_layer, MIN_LAYER, MAX_LAYER);
85 bclamp(blend, MIN_BLEND, MAX_BLEND);
88 int FindObjConfig::equivalent(FindObjConfig &that)
91 algorithm == that.algorithm &&
92 use_flann == that.use_flann &&
94 aspect == that.aspect &&
95 scale == that.scale &&
96 translate == that.translate &&
97 rotate == that.rotate &&
98 draw_keypoints == that.draw_keypoints &&
99 draw_match == that.draw_match &&
100 draw_scene_border == that.draw_scene_border &&
101 replace_object == that.replace_object &&
102 draw_object_border == that.draw_object_border &&
103 draw_replace_border == that.draw_replace_border &&
104 object_x == that.object_x && object_y == that.object_y &&
105 object_w == that.object_w && object_h == that.object_h &&
106 drag_object == that.drag_object &&
107 scene_x == that.scene_x && scene_y == that.scene_y &&
108 scene_w == that.scene_w && scene_h == that.scene_h &&
109 drag_scene == that.drag_scene &&
110 replace_x == that.replace_x && replace_y == that.replace_y &&
111 replace_w == that.replace_w && replace_h == that.replace_h &&
112 replace_dx == that.replace_dx && replace_dy == that.replace_dy &&
113 drag_replace == that.drag_replace &&
114 object_layer == that.object_layer &&
115 replace_layer == that.replace_layer &&
116 scene_layer == that.scene_layer &&
121 void FindObjConfig::copy_from(FindObjConfig &that)
123 algorithm = that.algorithm;
124 use_flann = that.use_flann;
126 aspect = that.aspect;
128 translate = that.translate;
129 rotate = that.rotate;
130 draw_keypoints = that.draw_keypoints;
131 draw_match = that.draw_match;
132 draw_scene_border = that.draw_scene_border;
133 replace_object = that.replace_object;
134 draw_object_border = that.draw_object_border;
135 draw_replace_border = that.draw_replace_border;
136 object_x = that.object_x; object_y = that.object_y;
137 object_w = that.object_w; object_h = that.object_h;
138 drag_object = that.drag_object;
139 scene_x = that.scene_x; scene_y = that.scene_y;
140 scene_w = that.scene_w; scene_h = that.scene_h;
141 drag_scene = that.drag_scene;
142 replace_x = that.replace_x; replace_y = that.replace_y;
143 replace_w = that.replace_w; replace_h = that.replace_h;
144 replace_dx = that.replace_dx; replace_dy = that.replace_dy;
145 drag_replace = that.drag_replace;
146 object_layer = that.object_layer;
147 replace_layer = that.replace_layer;
148 scene_layer = that.scene_layer;
152 void FindObjConfig::interpolate(FindObjConfig &prev, FindObjConfig &next,
153 int64_t prev_frame, int64_t next_frame, int64_t current_frame)
159 FindObjMain::FindObjMain(PluginServer *server)
160 : PluginVClient(server)
167 object = scene = replace = 0;
168 object_x = object_y = 0;
169 object_w = object_h = 0;
170 scene_x = scene_y = 0;
171 scene_w = scene_h = 0;
176 match_x1 = 0; match_y1 = 0;
177 match_x2 = 0; match_y2 = 0;
178 match_x3 = 0; match_y3 = 0;
179 match_x4 = 0; match_y4 = 0;
180 shape_x1 = 0; shape_y1 = 0;
181 shape_x2 = 0; shape_y2 = 0;
182 shape_x3 = 0; shape_y3 = 0;
183 shape_x4 = 0; shape_y4 = 0;
184 out_x1 = 0; out_y1 = 0;
185 out_x2 = 0; out_y2 = 0;
186 out_x3 = 0; out_y3 = 0;
187 out_x4 = 0; out_y4 = 0;
192 FindObjMain::~FindObjMain()
198 const char* FindObjMain::plugin_title() { return N_("FindObj"); }
199 int FindObjMain::is_realtime() { return 1; }
200 int FindObjMain::is_multichannel() { return 1; }
202 NEW_WINDOW_MACRO(FindObjMain, FindObjWindow)
203 LOAD_CONFIGURATION_MACRO(FindObjMain, FindObjConfig)
205 void FindObjMain::update_gui()
207 if( !thread ) return;
208 if( !load_configuration() ) return;
209 FindObjWindow *window = (FindObjWindow*)thread->window;
210 window->lock_window("FindObjMain::update_gui");
211 window->update_gui();
213 window->unlock_window();
216 void FindObjMain::save_data(KeyFrame *keyframe)
220 // cause data to be stored directly in text
221 output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
222 output.tag.set_title("FINDOBJ");
223 output.tag.set_property("ALGORITHM", config.algorithm);
224 output.tag.set_property("USE_FLANN", config.use_flann);
225 output.tag.set_property("MODE", config.mode);
226 output.tag.set_property("ASPECT", config.aspect);
227 output.tag.set_property("SCALE", config.scale);
228 output.tag.set_property("TRANSLATE", config.translate);
229 output.tag.set_property("ROTATE", config.rotate);
230 output.tag.set_property("DRAG_OBJECT", config.drag_object);
231 output.tag.set_property("OBJECT_X", config.object_x);
232 output.tag.set_property("OBJECT_Y", config.object_y);
233 output.tag.set_property("OBJECT_W", config.object_w);
234 output.tag.set_property("OBJECT_H", config.object_h);
235 output.tag.set_property("DRAG_SCENE", config.drag_scene);
236 output.tag.set_property("SCENE_X", config.scene_x);
237 output.tag.set_property("SCENE_Y", config.scene_y);
238 output.tag.set_property("SCENE_W", config.scene_w);
239 output.tag.set_property("SCENE_H", config.scene_h);
240 output.tag.set_property("DRAG_REPLACE", config.drag_replace);
241 output.tag.set_property("REPLACE_X", config.replace_x);
242 output.tag.set_property("REPLACE_Y", config.replace_y);
243 output.tag.set_property("REPLACE_W", config.replace_w);
244 output.tag.set_property("REPLACE_H", config.replace_h);
245 output.tag.set_property("REPLACE_DX", config.replace_dx);
246 output.tag.set_property("REPLACE_DY", config.replace_dy);
247 output.tag.set_property("DRAW_KEYPOINTS", config.draw_keypoints);
248 output.tag.set_property("DRAW_MATCH", config.draw_match);
249 output.tag.set_property("DRAW_SCENE_BORDER", config.draw_scene_border);
250 output.tag.set_property("REPLACE_OBJECT", config.replace_object);
251 output.tag.set_property("DRAW_OBJECT_BORDER", config.draw_object_border);
252 output.tag.set_property("DRAW_REPLACE_BORDER", config.draw_replace_border);
253 output.tag.set_property("OBJECT_LAYER", config.object_layer);
254 output.tag.set_property("REPLACE_LAYER", config.replace_layer);
255 output.tag.set_property("SCENE_LAYER", config.scene_layer);
256 output.tag.set_property("BLEND", config.blend);
258 output.tag.set_title("/FINDOBJ");
260 output.append_newline();
261 output.terminate_string();
264 void FindObjMain::read_data(KeyFrame *keyframe)
268 input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
272 while( !(result = input.read_tag()) ) {
273 if( input.tag.title_is("FINDOBJ") ) {
274 config.algorithm = input.tag.get_property("ALGORITHM", config.algorithm);
275 config.use_flann = input.tag.get_property("USE_FLANN", config.use_flann);
276 config.mode = input.tag.get_property("MODE", config.mode);
277 config.aspect = input.tag.get_property("ASPECT", config.aspect);
278 config.scale = input.tag.get_property("SCALE", config.scale);
279 config.translate = input.tag.get_property("TRANSLATE", config.translate);
280 config.rotate = input.tag.get_property("ROTATE", config.rotate);
281 config.object_x = input.tag.get_property("OBJECT_X", config.object_x);
282 config.object_y = input.tag.get_property("OBJECT_Y", config.object_y);
283 config.object_w = input.tag.get_property("OBJECT_W", config.object_w);
284 config.object_h = input.tag.get_property("OBJECT_H", config.object_h);
285 config.drag_object = input.tag.get_property("DRAG_OBJECT", config.drag_object);
286 config.scene_x = input.tag.get_property("SCENE_X", config.scene_x);
287 config.scene_y = input.tag.get_property("SCENE_Y", config.scene_y);
288 config.scene_w = input.tag.get_property("SCENE_W", config.scene_w);
289 config.scene_h = input.tag.get_property("SCENE_H", config.scene_h);
290 config.drag_scene = input.tag.get_property("DRAG_SCENE", config.drag_scene);
291 config.replace_x = input.tag.get_property("REPLACE_X", config.replace_x);
292 config.replace_y = input.tag.get_property("REPLACE_Y", config.replace_y);
293 config.replace_w = input.tag.get_property("REPLACE_W", config.replace_w);
294 config.replace_h = input.tag.get_property("REPLACE_H", config.replace_h);
295 config.replace_dx = input.tag.get_property("REPLACE_DX", config.replace_dx);
296 config.replace_dy = input.tag.get_property("REPLACE_DY", config.replace_dy);
297 config.drag_replace = input.tag.get_property("DRAG_REPLACE", config.drag_replace);
298 config.draw_keypoints = input.tag.get_property("DRAW_KEYPOINTS", config.draw_keypoints);
299 config.draw_match = input.tag.get_property("DRAW_MATCH", config.draw_match);
300 config.draw_scene_border = input.tag.get_property("DRAW_SCENE_BORDER", config.draw_scene_border);
301 config.replace_object = input.tag.get_property("REPLACE_OBJECT", config.replace_object);
302 config.draw_object_border = input.tag.get_property("DRAW_OBJECT_BORDER", config.draw_object_border);
303 config.draw_replace_border = input.tag.get_property("DRAW_REPLACE_BORDER", config.draw_replace_border);
304 config.object_layer = input.tag.get_property("OBJECT_LAYER", config.object_layer);
305 config.replace_layer = input.tag.get_property("REPLACE_LAYER", config.replace_layer);
306 config.scene_layer = input.tag.get_property("SCENE_LAYER", config.scene_layer);
307 config.blend = input.tag.get_property("BLEND", config.blend);
314 void FindObjMain::draw_line(VFrame *vframe, int x1, int y1, int x2, int y2)
316 vframe->draw_line(x1, y1, x2, y2);
319 void FindObjMain::draw_quad(VFrame *vframe,
320 int x1, int y1, int x2, int y2,
321 int x3, int y3, int x4, int y4)
323 int r = bmin(vframe->get_w(), vframe->get_h()) / 200 + 1;
324 for( int i=r; --i>0; ) {
325 draw_line(vframe, x1+i, y1+i, x2, y2);
326 draw_line(vframe, x1-i, y1-i, x2, y2);
327 draw_line(vframe, x2+i, y2+i, x3, y3);
328 draw_line(vframe, x2-i, y2-i, x3, y3);
329 draw_line(vframe, x3+i, y3+i, x4, y4);
330 draw_line(vframe, x3-i, y3-i, x4, y4);
331 draw_line(vframe, x4+i, y4+i, x1, y1);
332 draw_line(vframe, x4-i, y4-i, x1, y1);
334 draw_line(vframe, x1, y1, x2, y2);
335 draw_line(vframe, x2, y2, x3, y3);
336 draw_line(vframe, x3, y3, x4, y4);
337 draw_line(vframe, x4, y4, x1, y1);
340 void FindObjMain::draw_point(VFrame *vframe, int x1, int y1)
342 int r = bmin(vframe->get_w(), vframe->get_h()) / 200 + 1;
343 for( int i=r; --i>0; )
344 draw_circle(vframe, x1, y1, i);
347 void FindObjMain::draw_rect(VFrame *vframe, int x1, int y1, int x2, int y2)
349 int r = bmin(vframe->get_w(), vframe->get_h()) / 200 + 1;
350 for( int i=r; --i>0; ) {
352 draw_line(vframe, x1, y1, x2, y1);
353 draw_line(vframe, x2, y1, x2, y2);
354 draw_line(vframe, x2, y2, x1, y2);
355 draw_line(vframe, x1, y2, x1, y1);
360 void FindObjMain::draw_circle(VFrame *vframe, int x, int y, int r)
362 int x1 = x-r, x2 = x+r;
363 int y1 = y-r, y2 = y+r;
364 vframe->draw_smooth(x1,y, x1,y1, x,y1);
365 vframe->draw_smooth(x,y1, x2,y1, x2,y);
366 vframe->draw_smooth(x2,y, x2,y2, x,y2);
367 vframe->draw_smooth(x,y2, x1,y2, x1,y);
370 void FindObjMain::filter_matches(ptV &p1, ptV &p2, double ratio)
372 DMatches::iterator it;
373 for( it=pairs.begin(); it!=pairs.end(); ++it ) {
375 if( m.size() == 2 && m[0].distance < m[1].distance*ratio ) {
376 p1.push_back(obj_keypts[m[0].queryIdx].pt);
377 p2.push_back(scn_keypts[m[0].trainIdx].pt);
382 void FindObjMain::to_mat(Mat &mat, int mcols, int mrows,
383 VFrame *inp, int ix,int iy, BC_CModel mcolor_model)
385 int mcomp = BC_CModels::components(mcolor_model);
386 int mbpp = BC_CModels::calculate_pixelsize(mcolor_model);
387 int psz = mbpp / mcomp;
388 int mdepth = psz < 2 ? CV_8U : CV_16U;
389 if( mat.dims != 2 || mat.depth() != mdepth || mat.channels() != mcomp ||
390 mat.cols != mcols || mat.rows != mrows ) {
394 int type = CV_MAKETYPE(mdepth, mcomp);
395 mat.create(mrows, mcols, type);
397 uint8_t *mat_rows[mrows];
398 for( int y=0; y<mrows; ++y ) mat_rows[y] = mat.ptr(y);
399 uint8_t **inp_rows = inp->get_rows();
400 int ibpl = inp->get_bytes_per_line(), obpl = mcols * mbpp;
401 int icolor_model = inp->get_color_model();
402 BC_CModels::transfer(mat_rows, mcolor_model, 0,0, mcols,mrows, obpl,
403 inp_rows, icolor_model, ix,iy, mcols,mrows, ibpl, 0);
404 // VFrame vfrm(mat_rows[0], -1, mcols,mrows, mcolor_model, mat_rows[1]-mat_rows[0]);
405 // static int vfrm_no = 0; char vfn[64]; sprintf(vfn,"/tmp/dat/%06d.png", vfrm_no++);
406 // vfrm.write_png(vfn);
409 void FindObjMain::detect(Mat &mat, KeyPointV &keypts,Mat &descrs)
414 detector->detectAndCompute(mat, noArray(), keypts, descrs);
415 } catch(std::exception e) { printf(_("detector exception: %s\n"), e.what()); }
418 void FindObjMain::match()
422 matcher->knnMatch(obj_descrs, scn_descrs, pairs, 2);
423 } catch(std::exception e) { printf(_("match execption: %s\n"), e.what()); }
426 Ptr<DescriptorMatcher> FindObjMain::flann_kdtree_matcher()
428 const Ptr<flann::IndexParams>& indexParams =
429 makePtr<flann::KDTreeIndexParams>(5);
430 const Ptr<flann::SearchParams>& searchParams =
431 makePtr<flann::SearchParams>();
432 return makePtr<FlannBasedMatcher>(indexParams, searchParams);
434 Ptr<DescriptorMatcher> FindObjMain::flann_lshidx_matcher()
435 { // table_number = 6#12, key_size = 12#20, multi_probe_level = 1#2
436 const Ptr<flann::IndexParams>& indexParams =
437 makePtr<flann::LshIndexParams>(6, 12, 1);
438 const Ptr<flann::SearchParams>& searchParams =
439 makePtr<flann::SearchParams>();
440 return makePtr<FlannBasedMatcher>(indexParams, searchParams);
442 Ptr<DescriptorMatcher> FindObjMain::bf_matcher_norm_l2()
444 return BFMatcher::create(NORM_L2);
446 Ptr<DescriptorMatcher> FindObjMain::bf_matcher_norm_hamming()
448 return BFMatcher::create(NORM_HAMMING);
452 void FindObjMain::set_sift()
455 detector = SIFT::create();
456 matcher = config.use_flann ?
457 flann_kdtree_matcher() : bf_matcher_norm_l2();
461 void FindObjMain::set_surf()
464 detector = SURF::create(800);
465 matcher = config.use_flann ?
466 flann_kdtree_matcher() : bf_matcher_norm_l2();
470 void FindObjMain::set_orb()
473 detector = ORB::create();
474 matcher = config.use_flann ?
475 flann_lshidx_matcher() : bf_matcher_norm_hamming();
479 void FindObjMain::set_akaze()
482 detector = AKAZE::create();
483 matcher = config.use_flann ?
484 flann_lshidx_matcher() : bf_matcher_norm_hamming();
488 void FindObjMain::set_brisk()
491 detector = BRISK::create();
492 matcher = config.use_flann ?
493 flann_lshidx_matcher() : bf_matcher_norm_hamming();
498 void FindObjMain::process_match()
500 if( config.algorithm == NO_ALGORITHM ) return;
502 if( detector.empty() ) {
503 switch( config.algorithm ) {
505 case ALGORITHM_SIFT: set_sift(); break;
508 case ALGORITHM_SURF: set_surf(); break;
511 case ALGORITHM_ORB: set_orb(); break;
514 case ALGORITHM_AKAZE: set_akaze(); break;
517 case ALGORITHM_BRISK: set_brisk(); break;
520 obj_keypts.clear(); obj_descrs.release();
521 to_mat(object_mat, object_w,object_h, object, object_x,object_y, cvmodel);
522 detect(object_mat, obj_keypts, obj_descrs);
523 //printf("detect obj %d features\n", (int)obj_keypts.size());
526 to_mat(scene_mat, scene_w,scene_h, scene, scene_x,scene_y, cvmodel);
527 detect(scene_mat, scn_keypts, scn_descrs);
528 //printf("detect scn %d features\n", (int)scn_keypts.size());
531 filter_matches(p1, p2);
532 if( p1.size() < 4 ) return;
533 Mat H = findHomography(p1, p2, RANSAC, 5.0);
534 if( !H.dims || !H.rows || !H.cols ) {
535 //printf("fail, size p1=%d,p2=%d\n",(int)p1.size(),(int)p2.size());
540 float out_x1 = 0, out_x2 = object_w;
541 float out_y1 = 0, out_y2 = object_h;
542 src.push_back(Point2f(out_x1,out_y1));
543 src.push_back(Point2f(out_x2,out_y1));
544 src.push_back(Point2f(out_x2,out_y2));
545 src.push_back(Point2f(out_x1,out_y2));
546 perspectiveTransform(src, dst, H);
548 match_x1 = dst[0].x + scene_x; match_y1 = dst[0].y + scene_y;
549 match_x2 = dst[1].x + scene_x; match_y2 = dst[1].y + scene_y;
550 match_x3 = dst[2].x + scene_x; match_y3 = dst[2].y + scene_y;
551 match_x4 = dst[3].x + scene_x; match_y4 = dst[3].y + scene_y;
555 static double area(float x1, float y1, float x2, float y2,
556 float x3, float y3, float x4, float y4)
557 { // quadrelateral area, sign is +ccw,-cw, use abs
558 double dx1 = x3-x1, dy1 = y3-y1;
559 double dx2 = x4-x2, dy2 = y4-y2;
560 return 0.5 * (dx1 * dy2 - dx2 * dy1);
562 static double dist(float x1,float y1, float x2, float y2)
564 double dx = x2-x1, dy = y2-y1;
565 return sqrt(dx*dx + dy*dy);
567 static int intersects(double x1, double y1, double x2, double y2,
568 double x3, double y3, double x4, double y4)
570 double dx12 = x2 - x1, dy12 = y2 - y1;
571 double dx34 = x4 - x3, dy34 = y4 - y3;
572 double d = dx12*dy34 - dx34*dy12;
573 if( !d ) return 0; // parallel
574 double dx13 = x3 - x1, dy13 = y3 - y1;
575 double u = (dx13*dy34 - dx34*dy13) / d;
576 if( u < 0 || u > 1 ) return 0;
577 double v = (dx13*dy12 - dx12*dy13) / d;
578 if( v < 0 || v > 1 ) return 0;
583 * 4---------3 1---------2
584 * |0,h w,h| |0,0 w,0|
586 * |0,0 w,0| |0,h w,h|
587 * 1---------2 1---------2
588 * pt locations screen pts
590 void FindObjMain::reshape()
592 if( config.mode == MODE_NONE ) return;
593 const double pi = M_PI;
594 double x1 = match_x1, y1 = match_y1;
595 double x2 = match_x2, y2 = match_y2;
596 double x3 = match_x3, y3 = match_y3;
597 double x4 = match_x4, y4 = match_y4;
598 double ia = area(x1,y1, x2,y2, x3,y3, x4,y4);
600 double cx = (x1 + x2 + x3 + x4) / 4;
601 double cy = (y1 + y2 + y3 + y4) / 4;
603 x1 -= cx; x2 -= cx; x3 -= cx; x4 -= cx;
604 y1 -= cy; y2 -= cy; y3 -= cy; y4 -= cy;
606 if( intersects(x1,y1, x2,y2, x3,y3, x4,y4) ) {
607 double x = x2, y = y2;
611 else if( intersects(x1,y1, x4,y4, x3,y3, x2,y2) ) {
612 double x = x4, y = y4;
617 // rotation, if mode is quad: reverse rotate
619 if( (config.mode == MODE_QUADRILATERAL) ^ (config.rotate != 0) ) {
621 double cx12 = (x1 + x2) / 2, cy12 = (y1 + y2) / 2;
622 double cx23 = (x2 + x3) / 2, cy23 = (y2 + y3) / 2;
623 double cx34 = (x3 + x4) / 2, cy34 = (y3 + y4) / 2;
624 double cx41 = (x4 + x1) / 2, cy41 = (y4 + y1) / 2;
625 double vx = cx34 - cx12, vy = cy34 - cy12;
626 double hx = cx23 - cx41, hy = cy23 - cy41;
627 double v = atan2(vy, vx);
628 double h = atan2(hy, hx);
629 r = (h + v - pi/2) / 2;
630 if( config.mode != MODE_QUADRILATERAL ) r = -r;
633 double a = dist(x1,y1, x3,y3) / 2;
634 double b = dist(x2,y2, x4,y4) / 2;
635 if( config.mode == MODE_SQUARE ||
636 config.mode == MODE_RECTANGLE )
639 double a1 = atan2(y1, x1);
640 double a2 = atan2(y2, x2);
641 double a3 = atan2(y3, x3);
642 double a4 = atan2(y4, x4);
644 double a12 = a2 - a1, a23 = a3 - a2;
645 double a34 = a4 - a3, a41 = a1 - a4;
646 double dt = (a12 - a23 + a34 - a41)/4;
648 if( ia < 0 ) { ia = -ia; dt = -dt; r = -r; }
649 switch( config.mode ) {
654 case MODE_PARALLELOGRAM: {
655 double t = -(pi+dt)/2;
656 x1 = a*cos(t); y1 = a*sin(t); t += dt;
657 x2 = b*cos(t); y2 = b*sin(t); t += pi - dt;
658 x3 = a*cos(t); y3 = a*sin(t); t += dt;
659 x4 = b*cos(t); y4 = b*sin(t); }
660 case MODE_QUADRILATERAL:
664 if( !config.aspect ) {
665 double cx12 = (x1 + x2) / 2, cy12 = (y1 + y2) / 2;
666 double cx23 = (x2 + x3) / 2, cy23 = (y2 + y3) / 2;
667 double cx34 = (x3 + x4) / 2, cy34 = (y3 + y4) / 2;
668 double cx41 = (x4 + x1) / 2, cy41 = (y4 + y1) / 2;
669 double iw = dist(cx41,cy41, cx23,cy23);
670 double ih = dist(cx12,cy12, cx34,cy34);
671 double ow = object_w, oh = object_h;
672 double sx = iw && ih ? sqrt((ih*ow)/(iw*oh)) : 1;
673 double sy = sx ? 1 / sx : 1;
674 x1 *= sx; x2 *= sx; x3 *= sx; x4 *= sx;
675 y1 *= sy; y2 *= sy; y3 *= sy; y4 *= sy;
679 double ct = cos(r), st = sin(r), x, y;
680 x = x1*ct + y1*st; y = y1*ct - x1*st; x1 = x; y1 = y;
681 x = x2*ct + y2*st; y = y2*ct - x2*st; x2 = x; y2 = y;
682 x = x3*ct + y3*st; y = y3*ct - x3*st; x3 = x; y3 = y;
683 x = x4*ct + y4*st; y = y4*ct - x4*st; x4 = x; y4 = y;
686 ia = !config.scale ? object_w * object_h : ia;
687 double oa = abs(area(x1,y1, x2,y2, x3,y3, x4,y4));
688 double sf = oa ? sqrt(ia / oa) : 0;
689 x1 *= sf; x2 *= sf; x3 *= sf; x4 *= sf;
690 y1 *= sf; y2 *= sf; y3 *= sf; y4 *= sf;
692 double ox = !config.translate ? object_x + object_w/2. : cx;
693 double oy = !config.translate ? object_y + object_h/2. : cy;
694 x1 += ox; x2 += ox; x3 += ox; x4 += ox;
695 y1 += oy; y2 += oy; y3 += oy; y4 += oy;
697 shape_x1 = x1; shape_y1 = y1;
698 shape_x2 = x2; shape_y2 = y2;
699 shape_x3 = x3; shape_y3 = y3;
700 shape_x4 = x4; shape_y4 = y4;
703 int FindObjMain::process_buffer(VFrame **frame, int64_t start_position, double frame_rate)
705 int prev_algorithm = config.algorithm;
706 int prev_use_flann = config.use_flann;
708 if( load_configuration() )
711 if( prev_algorithm != config.algorithm ||
712 prev_use_flann != config.use_flann ) {
717 object_layer = config.object_layer;
718 scene_layer = config.scene_layer;
719 replace_layer = config.replace_layer;
720 Track *track = server->plugin->track;
724 int max_layer = PluginClient::get_total_buffers() - 1;
725 object_layer = bclip(config.object_layer, 0, max_layer);
726 scene_layer = bclip(config.scene_layer, 0, max_layer);
727 replace_layer = bclip(config.replace_layer, 0, max_layer);
729 int cfg_w = (int)(w * config.object_w / 100.);
730 int cfg_h = (int)(h * config.object_h / 100.);
731 int cfg_x1 = (int)(w * config.object_x / 100. - cfg_w / 2);
732 int cfg_y1 = (int)(h * config.object_y / 100. - cfg_h / 2);
733 int cfg_x2 = cfg_x1 + cfg_w;
734 int cfg_y2 = cfg_y1 + cfg_h;
735 bclamp(cfg_x1, 0, w); object_x = cfg_x1;
736 bclamp(cfg_y1, 0, h); object_y = cfg_y1;
737 bclamp(cfg_x2, 0, w); object_w = cfg_x2 - cfg_x1;
738 bclamp(cfg_y2, 0, h); object_h = cfg_y2 - cfg_y1;
740 cfg_w = (int)(w * config.scene_w / 100.);
741 cfg_h = (int)(h * config.scene_h / 100.);
742 cfg_x1 = (int)(w * config.scene_x / 100. - cfg_w / 2);
743 cfg_y1 = (int)(h * config.scene_y / 100. - cfg_h / 2);
744 cfg_x2 = cfg_x1 + cfg_w;
745 cfg_y2 = cfg_y1 + cfg_h;
746 bclamp(cfg_x1, 0, w); scene_x = cfg_x1;
747 bclamp(cfg_y1, 0, h); scene_y = cfg_y1;
748 bclamp(cfg_x2, 0, w); scene_w = cfg_x2 - cfg_x1;
749 bclamp(cfg_y2, 0, h); scene_h = cfg_y2 - cfg_y1;
751 cfg_w = (int)(w * config.replace_w / 100.);
752 cfg_h = (int)(h * config.replace_h / 100.);
753 cfg_x1 = (int)(w * config.replace_x / 100. - cfg_w / 2);
754 cfg_y1 = (int)(h * config.replace_y / 100. - cfg_h / 2);
755 cfg_x2 = cfg_x1 + cfg_w;
756 cfg_y2 = cfg_y1 + cfg_h;
757 bclamp(cfg_x1, 0, w); replace_x = cfg_x1;
758 bclamp(cfg_y1, 0, h); replace_y = cfg_y1;
759 bclamp(cfg_x2, 0, w); replace_w = cfg_x2 - cfg_x1;
760 bclamp(cfg_y2, 0, h); replace_h = cfg_y2 - cfg_y1;
762 int cfg_dx = (int)(w * config.replace_dx / 100.);
763 int cfg_dy = (int)(h * config.replace_dy / 100.);
764 bclamp(cfg_dx, -h, h); replace_dx = cfg_dx;
765 bclamp(cfg_dy, -w, w); replace_dy = cfg_dy;
767 // Read in the input frames
768 for( int i = 0; i < PluginClient::get_total_buffers(); i++ ) {
769 read_frame(frame[i], i, start_position, frame_rate, 0);
772 object = frame[object_layer];
773 scene = frame[scene_layer];
774 replace = frame[replace_layer];
776 shape_x1 = out_x1; shape_y1 = out_y1;
777 shape_x2 = out_x2; shape_y2 = out_y2;
778 shape_x3 = out_x3; shape_y3 = out_y3;
779 shape_x4 = out_x4; shape_y4 = out_y4;
781 if( scene_w > 0 && scene_h > 0 && object_w > 0 && object_h > 0 ) {
786 double w0 = init_border ? 1. : config.blend/100., w1 = 1. - w0;
788 out_x1 = shape_x1*w0 + out_x1*w1; out_y1 = shape_y1*w0 + out_y1*w1;
789 out_x2 = shape_x2*w0 + out_x2*w1; out_y2 = shape_y2*w0 + out_y2*w1;
790 out_x3 = shape_x3*w0 + out_x3*w1; out_y3 = shape_y3*w0 + out_y3*w1;
791 out_x4 = shape_x4*w0 + out_x4*w1; out_y4 = shape_y4*w0 + out_y4*w1;
792 // Replace object in the scene layer
793 if( config.replace_object ) {
794 int cpus1 = get_project_smp() + 1;
796 affine = new AffineEngine(cpus1, cpus1);
798 overlayer = new OverlayFrame(cpus1);
799 VFrame *temp = new_temp(w, h, scene->get_color_model());
801 affine->set_in_viewport(replace_x, replace_y, replace_w, replace_h);
802 float ix1 = replace_x, ix2 = ix1 + replace_w;
803 float iy1 = replace_y, iy2 = iy1 + replace_h;
804 float dx = replace_dx, dy = replace_dy;
805 float ox1 = out_x1+dx, ox2 = out_x2+dx, ox3 = out_x3+dx, ox4 = out_x4+dx;
806 float oy1 = out_y1-dy, oy2 = out_y2-dy, oy3 = out_y3-dy, oy4 = out_y4-dy;
807 affine->set_matrix(ix1,iy1, ix2,iy2, ox1,oy1, ox2,oy2, ox4,oy4, ox3,oy3);
808 affine->process(temp, replace, 0,
809 AffineEngine::TRANSFORM, 0,0, 100,0, 100,100, 0,100, 1);
810 overlayer->overlay(scene, temp, 0,0, w,h, 0,0, w,h,
811 1, TRANSFER_NORMAL, NEAREST_NEIGHBOR);
815 int wh = (w+h)>>8, ss = 1; while( wh>>=1 ) ss<<=1;
816 if( config.draw_scene_border ) {
817 scene->set_stiple(ss*2);
818 scene->set_pixel_color(WHITE);
819 draw_rect(scene, scene_x, scene_y, scene_x+scene_w, scene_y+scene_h);
821 if( config.draw_object_border ) {
822 scene->set_stiple(ss*3);
823 scene->set_pixel_color(YELLOW);
824 draw_rect(scene, object_x, object_y, object_x+object_w, object_y+object_h);
826 if( config.draw_replace_border ) {
827 scene->set_stiple(ss*3);
828 scene->set_pixel_color(GREEN);
829 draw_rect(scene, replace_x, replace_y, replace_x+replace_w, replace_y+replace_h);
831 scene->set_stiple(0);
832 if( config.draw_keypoints ) {
833 scene->set_pixel_color(GREEN);
834 for( int i=0,n=obj_keypts.size(); i<n; ++i ) {
835 Point2f &pt = obj_keypts[i].pt;
836 int r = obj_keypts[i].size * 1.2/9 * 2;
837 int x = pt.x + object_x, y = pt.y + object_y;
838 draw_circle(scene, x, y, r);
840 scene->set_pixel_color(RED);
841 for( int i=0,n=scn_keypts.size(); i<n; ++i ) {
842 Point2f &pt = scn_keypts[i].pt;
843 int r = scn_keypts[i].size * 1.2/9 * 2;
844 int x = pt.x + scene_x, y = pt.y + scene_y;
845 draw_circle(scene, x, y, r);
848 if( config.draw_match ) {
849 scene->set_pixel_color(BLUE);
850 draw_quad(scene, match_x1, match_y1, match_x2, match_y2,
851 match_x3, match_y3, match_x4, match_y4);
852 scene->set_pixel_color(LTGREEN);
853 draw_point(scene, match_x1, match_y1);
857 if( config.drag_scene ) {
858 scene->set_pixel_color(WHITE);
859 DragCheckBox::draw_boundary(scene, scene_x, scene_y, scene_w, scene_h);
861 if( config.drag_object ) {
862 scene->set_pixel_color(YELLOW);
863 DragCheckBox::draw_boundary(scene, object_x, object_y, object_w, object_h);
865 if( config.drag_replace ) {
866 scene->set_pixel_color(GREEN);
867 DragCheckBox::draw_boundary(scene, replace_x, replace_y, replace_w, replace_h);
871 scene->set_pixel_color(BLACK);
872 scene->set_stiple(0);