crikey/crikey.C

   1 /*
   2  * CINELERRA
   3  * Copyright (C) 1997-2015 Adam Williams <broadcast at earthling dot net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20
  21 #include<stdio.h>
  22 #include<stdint.h>
  23 #include<math.h>
  24 #include<string.h>
  25
  26 #include "arraylist.h"
  27 #include "bccmodels.h"
  28 #include "bccolors.h"
  29 #include "clip.h"
  30 #include "edlsession.h"
  31 #include "filexml.h"
  32 #include "crikey.h"
  33 #include "crikeywindow.h"
  34 #include "language.h"
  35 #include "vframe.h"
  36
  37 // chroma interpolated key, crikey
  38
  39 REGISTER_PLUGIN(CriKey)
  40
  41 #if 0
  42 void crikey_pgm(const char *fn,VFrame *vfrm)
  43 {
  44         FILE *fp = fopen(fn,"w");
  45         int w = vfrm->get_w(), h = vfrm->get_h();
  46         fprintf(fp,"P5\n%d %d\n255\n",w,h);
  47         fwrite(vfrm->get_data(),w,h,fp);
  48         fclose(fp);
  49 }
  50 #endif
  51
  52 CriKeyPoint::CriKeyPoint(int t, int e, float x, float y)
  53 {
  54         this->t = t;  this->e = e; this->x = x; this->y = y;
  55 }
  56 CriKeyPoint::~CriKeyPoint()
  57 {
  58 }
  59
  60 CriKeyConfig::CriKeyConfig()
  61 {
  62         color = 0x000000;
  63         threshold = 0.5f;
  64         draw_mode = DRAW_ALPHA;
  65         drag = 0;
  66         selected = 0;
  67 }
  68 CriKeyConfig::~CriKeyConfig()
  69 {
  70         points.remove_all_objects();
  71 }
  72
  73 int CriKeyConfig::equivalent(CriKeyConfig &that)
  74 {
  75         if( this->color != that.color ) return 0;
  76         if( !EQUIV(this->threshold, that.threshold) ) return 0;
  77         if( this->draw_mode != that.draw_mode ) return 0;
  78         if( this->drag != that.drag ) return 0;
  79         if( this->points.size() != that.points.size() ) return 0;
  80         for( int i=0, n=points.size(); i<n; ++i ) {
  81                 CriKeyPoint *ap = this->points[i], *bp = that.points[i];
  82                 if( ap->t != bp->t ) return 0;
  83                 if( ap->e != bp->e ) return 0;
  84                 if( !EQUIV(ap->x, bp->x) ) return 0;
  85                 if( !EQUIV(ap->y, bp->y) ) return 0;
  86         }
  87         return 1;
  88 }
  89
  90 void CriKeyConfig::copy_from(CriKeyConfig &that)
  91 {
  92         this->color = that.color;
  93         this->threshold = that.threshold;
  94         this->draw_mode = that.draw_mode;
  95         this->drag = that.drag;
  96         this->selected = that.selected;
  97
  98         points.remove_all_objects();
  99         for( int i=0,n=that.points.size(); i<n; ++i ) {
 100                 CriKeyPoint *pt = that.points[i];
 101                 add_point(pt->t, pt->e, pt->x, pt->y);
 102         }
 103 }
 104
 105 void CriKeyConfig::interpolate(CriKeyConfig &prev, CriKeyConfig &next,
 106                 long prev_frame, long next_frame, long current_frame)
 107 {
 108         this->color = prev.color;
 109         this->draw_mode = prev.draw_mode;
 110         this->drag = prev.drag;
 111         this->selected = prev.selected;
 112
 113         double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
 114         double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
 115         this->threshold = prev.threshold * prev_scale + next.threshold * next_scale;
 116  // interpolate rgb components
 117         float prev_target[3];  set_target(0, prev.color, prev_target);
 118         float next_target[3];  set_target(0, next.color, next_target);
 119         float target[3];
 120         for( int i=0; i<3; ++i )
 121                 target[i] = prev_target[i] * prev_scale + next_target[i] * next_scale;
 122         set_color(0, target, this->color);
 123
 124         points.remove_all_objects();
 125         int prev_sz = prev.points.size(), next_sz = next.points.size();
 126         for( int i=0; i<prev_sz; ++i ) {
 127                 CriKeyPoint *pt = prev.points[i], *nt = 0;
 128                 float x = pt->x, y = pt->y;
 129                 int k = next_sz;  // associated by tag id in next
 130                 while( --k >= 0 && pt->t != (nt=next.points[k])->t );
 131                 if( k >= 0 ) {
 132                         x = x * prev_scale + nt->x * next_scale;
 133                         y = y * prev_scale + nt->y * next_scale;
 134                 }
 135                 add_point(pt->t, pt->e, x, y);
 136         }
 137 }
 138
 139 void CriKeyConfig::limits()
 140 {
 141         bclamp(threshold, 0.0f, 1.0f);
 142         bclamp(draw_mode, 0, DRAW_MODES-1);
 143 }
 144
 145 int CriKeyConfig::add_point(int t, int e, float x, float y)
 146 {
 147         int k = points.size();
 148         if( t < 0 ) {
 149                 t = 0;
 150                 for( int i=k; --i>=0; ) {
 151                         int n = points[i]->t;
 152                         if( n >= t ) t = n + 1;
 153                 }
 154         }
 155         points.append(new CriKeyPoint(t, e, x, y));
 156         return k;
 157 }
 158
 159 void CriKeyConfig::del_point(int i)
 160 {
 161         points.remove_object_number(i);
 162 }
 163
 164
 165 class FillRegion
 166 {
 167         class segment { public: int y, lt, rt; };
 168         ArrayList<segment> stack;
 169
 170         void push(int y, int lt, int rt) {
 171                 segment &seg = stack.append();
 172                 seg.y = y;  seg.lt = lt;  seg.rt = rt;
 173         }
 174         void pop(int &y, int &lt, int &rt) {
 175                 segment &seg = stack.last();
 176                 y = seg.y;  lt = seg.lt;  rt = seg.rt;
 177                 stack.remove();
 178         }
 179
 180         int w, h;
 181         uint8_t *data, *mask;
 182         bool edge_pixel(uint8_t *dp) { return *dp; }
 183
 184 public:
 185         void fill(int x, int y);
 186         void run();
 187
 188         FillRegion(VFrame *d, VFrame *m);
 189 };
 190
 191 FillRegion::FillRegion(VFrame *d, VFrame *m)
 192 {
 193         w = d->get_w();
 194         h = d->get_h();
 195         data = d->get_data();
 196         mask = m->get_data();
 197 }
 198
 199 void FillRegion::fill(int x, int y)
 200 {
 201         push(y, x, x);
 202 }
 203
 204 void FillRegion::run()
 205 {
 206         while( stack.size() > 0 ) {
 207                 int y, ilt, irt;
 208                 pop(y, ilt, irt);
 209                 int ofs = y*w + ilt;
 210                 uint8_t *idp = data + ofs;
 211                 uint8_t *imp = mask + ofs;
 212                 for( int x=ilt; x<=irt; ++x,++imp,++idp ) {
 213                         if( !*imp ) continue;
 214                         *imp = 0;
 215                         if( edge_pixel(idp) ) continue;
 216                         int lt = x, rt = x;
 217                         uint8_t *ldp = idp, *lmp = imp;
 218                         for( int i=lt; --i>=0; ) {
 219                                 if( !*--lmp ) break;
 220                                 *lmp = 0;  lt = i;
 221                                 if( edge_pixel(--ldp) ) break;
 222                         }
 223                         uint8_t *rdp = idp, *rmp = imp;
 224                         for( int i=rt; ++i< w; rt=i,*rmp=0 ) {
 225                                 if( !*++rmp ) break;
 226                                 *rmp = 0;  rt = i;
 227                                 if( edge_pixel(++rdp) ) break;
 228                         }
 229                         if( y+1 <  h ) push(y+1, lt, rt);
 230                         if( y-1 >= 0 ) push(y-1, lt, rt);
 231                 }
 232         }
 233 }
 234
 235
 236 CriKey::CriKey(PluginServer *server)
 237  : PluginVClient(server)
 238 {
 239         engine = 0;
 240         msk = 0;
 241         dst = 0;
 242 }
 243
 244 CriKey::~CriKey()
 245 {
 246         delete engine;
 247         delete msk;
 248         delete dst;
 249 }
 250
 251 void CriKeyConfig::set_target(int is_yuv, int color, float *target)
 252 {
 253         float r = ((color>>16) & 0xff) / 255.0f;
 254         float g = ((color>> 8) & 0xff) / 255.0f;
 255         float b = ((color>> 0) & 0xff) / 255.0f;
 256         if( is_yuv ) {
 257                 float y, u, v;
 258                 YUV::yuv.rgb_to_yuv_f(r,g,b, y,u,v);
 259                 target[0] = y;
 260                 target[1] = u + 0.5f;
 261                 target[2] = v + 0.5f;
 262         }
 263         else {
 264                 target[0] = r;
 265                 target[1] = g;
 266                 target[2] = b;
 267         }
 268 }
 269 void CriKeyConfig::set_color(int is_yuv, float *target, int &color)
 270 {
 271         float r = target[0];
 272         float g = target[1];
 273         float b = target[2];
 274         if( is_yuv ) {
 275                 float y = r, u = g-0.5f, v = b-0.5f;
 276                 YUV::yuv.yuv_to_rgb_f(y,u,v, r,g,b);
 277         }
 278         int ir = r >= 1 ? 0xff : r < 0 ? 0 : (int)(r * 256);
 279         int ig = g >= 1 ? 0xff : g < 0 ? 0 : (int)(g * 256);
 280         int ib = b >= 1 ? 0xff : b < 0 ? 0 : (int)(b * 256);
 281         color = (ir << 16) | (ig << 8) | (ib << 0);
 282 }
 283
 284 void CriKey::get_color(int x, int y)
 285 {
 286         if( x < 0 || x >= w ) return;
 287         if( y < 0 || y >= h ) return;
 288         uint8_t **src_rows = src->get_rows();
 289         uint8_t *sp = src_rows[y] + x*bpp;
 290         if( is_float ) {
 291                 float *fp = (float *)sp;
 292                 for( int i=0; i<comp; ++i,++fp )
 293                         target[i] = *fp;
 294         }
 295         else {
 296                 float scale = 1./255;
 297                 for( int i=0; i<comp; ++i,++sp )
 298                         target[i] = *sp * scale;
 299         }
 300 }
 301
 302 const char* CriKey::plugin_title() { return N_("CriKey"); }
 303 int CriKey::is_realtime() { return 1; }
 304
 305 NEW_WINDOW_MACRO(CriKey, CriKeyWindow);
 306 LOAD_CONFIGURATION_MACRO(CriKey, CriKeyConfig)
 307
 308 int CriKey::new_point()
 309 {
 310         EDLSession *session = get_edlsession();
 311         float x = !session ? 0.f : session->output_w / 2.f;
 312         float y = !session ? 0.f : session->output_h / 2.f;
 313         return config.add_point(-1, 0, x, y);
 314 }
 315
 316 void CriKey::save_data(KeyFrame *keyframe)
 317 {
 318         FileXML output;
 319
 320 // cause data to be stored directly in text
 321         output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
 322
 323         output.tag.set_title("CRIKEY");
 324         output.tag.set_property("COLOR", config.color);
 325         output.tag.set_property("THRESHOLD", config.threshold);
 326         output.tag.set_property("DRAW_MODE", config.draw_mode);
 327         output.tag.set_property("DRAG", config.drag);
 328         output.tag.set_property("SELECTED", config.selected);
 329         output.append_tag();
 330         output.append_newline();
 331         output.tag.set_title("/CRIKEY");
 332         output.append_tag();
 333         output.append_newline();
 334         for( int i=0, n = config.points.size(); i<n; ++i ) {
 335                 CriKeyPoint *pt = config.points[i];
 336                 char point[BCSTRLEN];
 337                 sprintf(point,"/POINT_%d",pt->t);
 338                 output.tag.set_title(point+1);
 339                 output.tag.set_property("E", pt->e);
 340                 output.tag.set_property("X", pt->x);
 341                 output.tag.set_property("Y", pt->y);
 342                 output.append_tag();
 343                 output.tag.set_title(point+0);
 344                 output.append_tag();
 345                 output.append_newline();
 346         }
 347         output.terminate_string();
 348 }
 349
 350 void CriKey::read_data(KeyFrame *keyframe)
 351 {
 352         FileXML input;
 353         input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
 354         config.points.remove_all_objects();
 355         int result = 0;
 356
 357         while( !(result=input.read_tag()) ) {
 358                 if( input.tag.title_is("CRIKEY") ) {
 359                         config.color = input.tag.get_property("COLOR", config.color);
 360                         config.threshold = input.tag.get_property("THRESHOLD", config.threshold);
 361                         config.draw_mode = input.tag.get_property("DRAW_MODE", config.draw_mode);
 362                         config.drag = input.tag.get_property("DRAG", config.drag);
 363                         config.selected = input.tag.get_property("SELECTED", 0);
 364                         config.limits();
 365                 }
 366                 else if( !strncmp(input.tag.get_title(),"POINT_",6) ) {
 367                         int t = atoi(input.tag.get_title() + 6);
 368                         int e = input.tag.get_property("E", 0);
 369                         float x = input.tag.get_property("X", 0.f);
 370                         float y = input.tag.get_property("Y", 0.f);
 371                         config.add_point(t, e, x, y);
 372                 }
 373         }
 374
 375         if( !config.points.size() ) new_point();
 376 }
 377
 378 void CriKey::update_gui()
 379 {
 380         if( !thread ) return;
 381         if( !load_configuration() ) return;
 382         thread->window->lock_window("CriKey::update_gui");
 383         CriKeyWindow *window = (CriKeyWindow*)thread->window;
 384         window->update_gui();
 385         window->flush();
 386         thread->window->unlock_window();
 387 }
 388
 389 void CriKey::draw_alpha(VFrame *msk)
 390 {
 391         uint8_t **src_rows = src->get_rows();
 392         uint8_t **msk_rows = msk->get_rows();
 393         switch( color_model ) {
 394         case BC_RGB_FLOAT:
 395                 for( int y=0; y<h; ++y ) {
 396                         uint8_t *sp = src_rows[y], *mp = msk_rows[y];
 397                         for( int x=0; x<w; ++x,++mp,sp+=bpp ) {
 398                                 if( *mp ) continue;
 399                                 float *px = (float *)sp;
 400                                 px[0] = px[1] = px[2] = 0;
 401                         }
 402                 }
 403                 break;
 404         case BC_RGBA_FLOAT:
 405                 for( int y=0; y<h; ++y ) {
 406                         uint8_t *sp = src_rows[y], *mp = msk_rows[y];
 407                         for( int x=0; x<w; ++x,++mp,sp+=bpp ) {
 408                                 if( *mp ) continue;
 409                                 float *px = (float *)sp;
 410                                 px[3] = 0;
 411                         }
 412                 }
 413                 break;
 414         case BC_RGB888:
 415                 for( int y=0; y<h; ++y ) {
 416                         uint8_t *sp = src_rows[y], *mp = msk_rows[y];
 417                         for( int x=0; x<w; ++x,++mp,sp+=bpp ) {
 418                                 if( *mp ) continue;
 419                                 uint8_t *px = sp;
 420                                 px[0] = px[1] = px[2] = 0;
 421                         }
 422                 }
 423                 break;
 424         case BC_YUV888:
 425                 for( int y=0; y<h; ++y ) {
 426                         uint8_t *sp = src_rows[y], *mp = msk_rows[y];
 427                         for( int x=0; x<w; ++x,++mp,sp+=bpp ) {
 428                                 if( *mp ) continue;
 429                                 uint8_t *px = sp;
 430                                 px[0] = 0;
 431                                 px[1] = px[2] = 0x80;
 432                         }
 433                 }
 434                 break;
 435         case BC_RGBA8888:
 436         case BC_YUVA8888:
 437                 for( int y=0; y<h; ++y ) {
 438                         uint8_t *sp = src_rows[y], *mp = msk_rows[y];
 439                         for( int x=0; x<w; ++x,++mp,sp+=bpp ) {
 440                                 if( *mp ) continue;
 441                                 uint8_t *px = sp;
 442                                 px[3] = 0;
 443                         }
 444                 }
 445                 break;
 446         }
 447 }
 448
 449 void CriKey::draw_mask(VFrame *msk)
 450 {
 451         uint8_t **src_rows = src->get_rows();
 452         uint8_t **msk_rows = msk->get_rows();
 453         float scale = 1 / 255.0f;
 454         switch( color_model ) {
 455         case BC_RGB_FLOAT:
 456                 for( int y=0; y<h; ++y ) {
 457                         uint8_t *sp = src_rows[y], *mp = msk_rows[y];
 458                         for( int x=0; x<w; ++x,++mp,sp+=bpp ) {
 459                                 float a = *mp * scale;
 460                                 float *px = (float *)sp;
 461                                 px[0] = px[1] = px[2] = a;
 462                         }
 463                 }
 464                 break;
 465         case BC_RGBA_FLOAT:
 466                 for( int y=0; y<h; ++y ) {
 467                         uint8_t *sp = src_rows[y], *mp = msk_rows[y];
 468                         for( int x=0; x<w; ++x,++mp,sp+=bpp ) {
 469                                 float a = *mp * scale;
 470                                 float *px = (float *)sp;
 471                                 px[0] = px[1] = px[2] = a;
 472                                 px[3] = 1.0f;
 473                         }
 474                 }
 475                 break;
 476         case BC_RGB888:
 477                 for( int y=0; y<h; ++y ) {
 478                         uint8_t *sp = src_rows[y], *mp = msk_rows[y];
 479                         for( int x=0; x<w; ++x,++mp,sp+=bpp ) {
 480                                 float a = *mp * scale;
 481                                 uint8_t *px = sp;
 482                                 px[0] = px[1] = px[2] = a * 255;
 483                         }
 484                 }
 485                 break;
 486         case BC_RGBA8888:
 487                 for( int y=0; y<h; ++y ) {
 488                         uint8_t *sp = src_rows[y], *mp = msk_rows[y];
 489                         for( int x=0; x<w; ++x,++mp,sp+=bpp ) {
 490                                 float a = *mp * scale;
 491                                 uint8_t *px = sp;
 492                                 px[0] = px[1] = px[2] = a * 255;
 493                                 px[3] = 0xff;
 494                         }
 495                 }
 496                 break;
 497         case BC_YUV888:
 498                 for( int y=0; y<h; ++y ) {
 499                         uint8_t *sp = src_rows[y], *mp = msk_rows[y];
 500                         for( int x=0; x<w; ++x,++mp,sp+=bpp ) {
 501                                 float a = *mp * scale;
 502                                 uint8_t *px = sp;
 503                                 px[0] = a * 255;
 504                                 px[1] = px[2] = 0x80;
 505                         }
 506                 }
 507                 break;
 508         case BC_YUVA8888:
 509                 for( int y=0; y<h; ++y ) {
 510                         uint8_t *sp = src_rows[y], *mp = msk_rows[y];
 511                         for( int x=0; x<w; ++x,++mp,sp+=bpp ) {
 512                                 float a = *mp * scale;
 513                                 uint8_t *px = sp;
 514                                 px[0] = a * 255;
 515                                 px[1] = px[2] = 0x80;
 516                                 px[3] = 0xff;
 517                         }
 518                 }
 519                 break;
 520         }
 521 }
 522
 523 void CriKey::draw_point(VFrame *src, CriKeyPoint *pt)
 524 {
 525         int d = bmax(w,h) / 200 + 2;
 526         int r = d/2+1, x = pt->x, y = pt->y;
 527         src->draw_smooth(x-r,y+0, x-r, y-r, x+0,y-r);
 528         src->draw_smooth(x+0,y-r, x+r, y-r, x+r,y+0);
 529         src->draw_smooth(x+r,y+0, x+r, y+r, x+0,y+r);
 530         src->draw_smooth(x+0,y+r, x-r, y+r, x-r,y+0);
 531         if( pt->e ) {
 532                 src->set_pixel_color(RED);
 533                 src->draw_x(pt->x, pt->y, d);
 534         }
 535         else {
 536                 src->set_pixel_color(BLUE);
 537                 src->draw_t(pt->x, pt->y, d);
 538         }
 539 }
 540
 541 int CriKey::process_buffer(VFrame *frame, int64_t start_position, double frame_rate)
 542 {
 543         load_configuration();
 544         src = frame;
 545         w = src->get_w(), h = src->get_h();
 546         color_model = src->get_color_model();
 547         bpp = BC_CModels::calculate_pixelsize(color_model);
 548         comp = BC_CModels::components(color_model);
 549         if( comp > 3 ) comp = 3;
 550         is_yuv = BC_CModels::is_yuv(color_model);
 551         is_float = BC_CModels::is_float(color_model);
 552
 553         read_frame(src, 0, start_position, frame_rate, 0);
 554
 555         set_target(is_yuv, config.color, target);
 556
 557         if( dst && ( dst->get_w() != w || src->get_h() != h ) ) {
 558                 delete dst;  dst = 0;
 559         }
 560         if( !dst )
 561                 dst = new VFrame(w, h, BC_A8, 0);
 562         dst->clear_frame();
 563
 564         if( !engine )
 565                 engine = new CriKeyEngine(this,
 566                         PluginClient::get_project_smp() + 1,
 567                         PluginClient::get_project_smp() + 1);
 568         engine->process_packages();
 569 // copy fill btm/rt edges
 570         int w1 = w-1, h1 = h-1;
 571         uint8_t *dp = dst->get_data();
 572         if( w1 > 0 ) for( int y=0; y<h1; ++y,dp+=w ) dp[w1] = dp[w1-1];
 573         if( h1 > 0 ) for( int x=0; x<w; ++x ) dp[x] = dp[x-w];
 574 //crikey_pgm("/tmp/dst.pgm",dst);
 575
 576         if( config.draw_mode != DRAW_EDGE ) {
 577                 if( msk && ( msk->get_w() != w || msk->get_h() != h ) ) {
 578                         delete msk;  msk = 0;
 579                 }
 580                 if( !msk )
 581                         msk = new VFrame(w, h, BC_A8, 0);
 582                 memset(msk->get_data(), 0xff, msk->get_data_size());
 583
 584                 FillRegion fill_region(dst, msk);
 585                 for( int i=0, n=config.points.size(); i<n; ++i ) {
 586                         CriKeyPoint *pt = config.points[i];
 587                         if( !pt->e ) continue;
 588                         float x = pt->x, y = pt->y;
 589                         if( x >= 0 && x < w && y >= 0 && y < h )
 590                                 fill_region.fill(x, y);
 591                 }
 592                 fill_region.run();
 593
 594 //crikey_pgm("/tmp/msk.pgm",msk);
 595
 596                 if( config.draw_mode == DRAW_MASK )
 597                         draw_mask(msk);
 598                 else
 599                         draw_alpha(msk);
 600         }
 601         else
 602                 draw_mask(dst);
 603
 604         if( config.drag ) {
 605                 for( int i=0, n=config.points.size(); i<n; ++i ) {
 606                         CriKeyPoint *pt = config.points[i];
 607                         src->set_pixel_color(config.selected == i ? GREEN : WHITE);
 608                         draw_point(src, pt);
 609                 }
 610         }
 611         return 0;
 612 }
 613
 614
 615 void CriKeyEngine::init_packages()
 616 {
 617         int y = 0, h1 = plugin->h-1;
 618         for(int i = 0; i < get_total_packages(); ) {
 619                 CriKeyPackage *pkg = (CriKeyPackage*)get_package(i++);
 620                 pkg->y1 = y;
 621                 y = h1 * i / LoadServer::get_total_packages();
 622                 pkg->y2 = y;
 623         }
 624 }
 625
 626 LoadPackage* CriKeyEngine::new_package()
 627 {
 628         return new CriKeyPackage();
 629 }
 630
 631 LoadClient* CriKeyEngine::new_client()
 632 {
 633         return new CriKeyUnit(this);
 634 }
 635
 636 #define EDGE_MACRO(type, max, components, is_yuv) \
 637 { \
 638         uint8_t **src_rows = src->get_rows(); \
 639         int comps = MIN(components, 3); \
 640         float scale = 1.0f/max; \
 641         for( int y=y1; y<y2; ++y ) { \
 642                 uint8_t *row0 = src_rows[y], *row1 = src_rows[y+1]; \
 643                 uint8_t *outp = dst_rows[y]; \
 644                 for( int v,x=x1; x<x2; *outp++=v,++x,row0+=bpp,row1+=bpp ) { \
 645                         type *r0 = (type*)row0, *r1 = (type*)row1; \
 646                         float a00 = 0, a01 = 0, a10 = 0, a11 = 0; \
 647                         for( int i=0; i<comps; ++i,++r0,++r1 ) { \
 648                                 float t = target[i]; \
 649                                 a00 += fabs(t - r0[0]*scale); \
 650                                 a01 += fabs(t - r0[components]*scale); \
 651                                 a10 += fabs(t - r1[0]*scale); \
 652                                 a11 += fabs(t - r1[components]*scale); \
 653                         } \
 654                         v = 0; \
 655                         float a = bmin(bmin(a00, a01), bmin(a10, a11)); \
 656                         if( a > threshold ) continue; \
 657                         float b = bmax(bmax(a00, a01), bmax(a10, a11)); \
 658                         if( threshold >= b ) continue; \
 659                         v = 255; \
 660                 } \
 661         } \
 662 } break
 663
 664
 665 void CriKeyUnit::process_package(LoadPackage *package)
 666 {
 667         VFrame *src = server->plugin->src;
 668         int bpp = server->plugin->bpp;
 669         VFrame *dst = server->plugin->dst;
 670         uint8_t **dst_rows = dst->get_rows();
 671         float *target = server->plugin->target;
 672         float threshold = server->plugin->config.threshold;
 673         CriKeyPackage *pkg = (CriKeyPackage*)package;
 674         int x1 = 0, x2 = server->plugin->w-1;
 675         int y1 = pkg->y1, y2 = pkg->y2;
 676
 677         switch( src->get_color_model() ) {
 678         case BC_RGB_FLOAT:  EDGE_MACRO(float, 1, 3, 0);
 679         case BC_RGBA_FLOAT: EDGE_MACRO(float, 1, 4, 0);
 680         case BC_RGB888:     EDGE_MACRO(unsigned char, 0xff, 3, 0);
 681         case BC_YUV888:     EDGE_MACRO(unsigned char, 0xff, 3, 1);
 682         case BC_RGBA8888:   EDGE_MACRO(unsigned char, 0xff, 4, 0);
 683         case BC_YUVA8888:   EDGE_MACRO(unsigned char, 0xff, 4, 1);
 684         }
 685 }
 686