cinelerra-5.1/plugins/unsharp/unsharp.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 "bcdisplayinfo.h"
  23 #include "clip.h"
  24 #include "bchash.h"
  25 #include "bcsignals.h"
  26 #include "filexml.h"
  27 #include "keyframe.h"
  28 #include "language.h"
  29 #include "unsharp.h"
  30 #include "unsharpwindow.h"
  31
  32
  33 #include <errno.h>
  34 #include <unistd.h>
  35
  36 REGISTER_PLUGIN(UnsharpMain)
  37
  38
  39
  40 UnsharpConfig::UnsharpConfig()
  41 {
  42         radius = 5;
  43         amount = 0.5;
  44         threshold = 0;
  45 }
  46
  47 int UnsharpConfig::equivalent(UnsharpConfig &that)
  48 {
  49         return EQUIV(radius, that.radius) &&
  50                 EQUIV(amount, that.amount) &&
  51                 threshold == that.threshold;
  52 }
  53
  54 void UnsharpConfig::copy_from(UnsharpConfig &that)
  55 {
  56         radius = that.radius;
  57         amount = that.amount;
  58         threshold = that.threshold;
  59 }
  60
  61 void UnsharpConfig::interpolate(UnsharpConfig &prev,
  62         UnsharpConfig &next,
  63         int64_t prev_frame,
  64         int64_t next_frame,
  65         int64_t current_frame)
  66 {
  67         double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
  68         double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
  69         this->radius = prev.radius * prev_scale + next.radius * next_scale;
  70         this->amount = prev.amount * prev_scale + next.amount * next_scale;
  71         this->threshold = (int)(prev.threshold * prev_scale + next.threshold * next_scale);
  72 }
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92 UnsharpMain::UnsharpMain(PluginServer *server)
  93  : PluginVClient(server)
  94 {
  95
  96         engine = 0;
  97 }
  98
  99 UnsharpMain::~UnsharpMain()
 100 {
 101
 102         delete engine;
 103 }
 104
 105 const char* UnsharpMain::plugin_title() { return N_("Unsharp"); }
 106 int UnsharpMain::is_realtime() { return 1; }
 107
 108
 109 NEW_WINDOW_MACRO(UnsharpMain, UnsharpWindow)
 110
 111 LOAD_CONFIGURATION_MACRO(UnsharpMain, UnsharpConfig)
 112
 113
 114
 115 void UnsharpMain::update_gui()
 116 {
 117         if(thread)
 118         {
 119                 if(load_configuration())
 120                 {
 121                         thread->window->lock_window("UnsharpMain::update_gui");
 122                         ((UnsharpWindow*)thread->window)->update();
 123                         thread->window->unlock_window();
 124                 }
 125         }
 126 }
 127
 128
 129
 130
 131 void UnsharpMain::save_data(KeyFrame *keyframe)
 132 {
 133         FileXML output;
 134
 135 // cause data to be stored directly in text
 136         output.set_shared_output(keyframe->xbuf);
 137         output.tag.set_title("UNSHARP");
 138
 139         output.tag.set_property("RADIUS", config.radius);
 140         output.tag.set_property("AMOUNT", config.amount);
 141         output.tag.set_property("THRESHOLD", config.threshold);
 142         output.append_tag();
 143         output.tag.set_title("/UNSHARP");
 144         output.append_tag();
 145         output.append_newline();
 146         output.terminate_string();
 147 }
 148
 149 void UnsharpMain::read_data(KeyFrame *keyframe)
 150 {
 151         FileXML input;
 152
 153         input.set_shared_input(keyframe->xbuf);
 154
 155         int result = 0;
 156
 157         while(!result)
 158         {
 159                 result = input.read_tag();
 160
 161                 if(!result)
 162                 {
 163                         if(input.tag.title_is("UNSHARP"))
 164                         {
 165                                 config.radius = input.tag.get_property("RADIUS", config.radius);
 166                                 config.amount = input.tag.get_property("AMOUNT", config.amount);
 167                                 config.threshold = input.tag.get_property("THRESHOLD", config.threshold);
 168                         }
 169                 }
 170         }
 171 }
 172
 173
 174
 175
 176
 177
 178
 179 int UnsharpMain::process_buffer(VFrame *frame,
 180         int64_t start_position,
 181         double frame_rate)
 182 {
 183         /*int need_reconfigure =*/ load_configuration();
 184
 185         if(!engine) engine = new UnsharpEngine(this,
 186                 get_project_smp() + 1, get_project_smp() + 1);
 187         read_frame(frame, 0, get_source_position(), get_framerate(), 0);
 188         engine->do_unsharp(frame);
 189         return 0;
 190 }
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203 UnsharpPackage::UnsharpPackage()
 204  : LoadPackage()
 205 {
 206 }
 207
 208
 209
 210
 211
 212
 213 UnsharpUnit::UnsharpUnit(UnsharpEngine *server,
 214         UnsharpMain *plugin)
 215  : LoadClient(server)
 216 {
 217         this->plugin = plugin;
 218         this->server = server;
 219         temp = 0;
 220 }
 221
 222 UnsharpUnit::~UnsharpUnit()
 223 {
 224         delete temp;
 225 }
 226
 227
 228 // Derived from the Gimp.
 229 // In the original file it says
 230 //
 231 // Copyright (C) 1999 Winston Chang
 232 //                    <winstonc@cs.wisc.edu>
 233 //                    <winston@stdout.org>
 234 //
 235 // Adapted for Cinelerra by Heroine Virtual Ltd.
 236
 237 static int calculate_convolution_matrix(double radius, double **cmatrix)
 238 {
 239         radius = fabs(radius) + 1.0;
 240         double std_dev = radius;
 241         radius = std_dev * 2;
 242         int matrix_length = (int)(2 * ceil(radius - 0.5) + 1);
 243         matrix_length = MAX(1, matrix_length);
 244 //      int matrix_midpoint = matrix_length / 2 + 1;
 245         (*cmatrix) = new double[matrix_length];
 246
 247 // Top right of matrix
 248         for(int i = matrix_length / 2 + 1; i < matrix_length; i++)
 249         {
 250                 double base_x = i - floor(matrix_length / 2) - 0.5;
 251                 double sum = 0;
 252                 for(int j = 1; j <= 50; j++)
 253                 {
 254                         if(base_x + 0.02 * j <= radius)
 255                         {
 256                                 sum += exp(-(base_x + 0.02 * j) *
 257                                         (base_x + 0.02 * j) /
 258                                         (2 * std_dev * std_dev));
 259                         }
 260                 }
 261                 (*cmatrix)[i] = sum / 50;
 262         }
 263
 264 // Top left of matrix
 265         for(int i = 0; i < matrix_length / 2; i++)
 266         {
 267                 (*cmatrix)[i] = (*cmatrix)[matrix_length - 1 - i];
 268         }
 269
 270 // Center value
 271         double sum = 0;
 272         for(int j = 0; j <= 50; j++)
 273         {
 274                 sum += exp(-(0.5 + 0.02 * j) *
 275                         (0.5 + 0.02 * j) /
 276                         (2 * std_dev * std_dev));
 277         }
 278         (*cmatrix)[matrix_length / 2] = sum / 51;
 279
 280 // Normalize
 281         sum = 0;
 282         for(int i = 0; i < matrix_length; i++)
 283                 sum += (*cmatrix)[i];
 284         for(int i = 0; i < matrix_length; i++)
 285                 (*cmatrix)[i] = (*cmatrix)[i] / sum;
 286
 287         return matrix_length;
 288 }
 289
 290 static double get_convolution(double *cmatrix,
 291         float input,
 292         int index)
 293 {
 294         return cmatrix[index] * input;
 295 }
 296
 297 static void blur_pixels(double *cmatrix,
 298         int cmatrix_length,
 299         float *input,
 300         float *output,
 301         int pixels,
 302         int components)
 303 {
 304         if(cmatrix_length > pixels)
 305         {
 306                 for(int pixel = 0; pixel < pixels; pixel++)
 307                 {
 308                         double scale = 0;
 309                         for(int j = 0; j < pixels; j++)
 310                         {
 311                                 if((j + cmatrix_length / 2 - pixel >= 0) &&
 312                                         (j + cmatrix_length / 2 - pixel < cmatrix_length))
 313                                 {
 314                                         scale += cmatrix[j + cmatrix_length / 2 - pixel];
 315                                 }
 316                         }
 317
 318                         for(int i = 0; i < components; i++)
 319                         {
 320                                 double sum = 0;
 321                                 for(int j = 0; j < pixels; j++)
 322                                 {
 323                                         if((j >= pixel - cmatrix_length / 2) &&
 324                                                 (j <= pixel + cmatrix_length / 2))
 325                                         {
 326                                                 sum += input[j * components + i] * cmatrix[i];
 327                                         }
 328                                 }
 329                                 output[pixel * components + i] = sum / scale;
 330                         }
 331                 }
 332         }
 333         else
 334         {
 335                 int cmatrix_middle = cmatrix_length / 2;
 336                 int pixel;
 337                 for(pixel = 0; pixel < cmatrix_middle; pixel++)
 338                 {
 339                         double scale = 0;
 340                         for(int j = cmatrix_middle - pixel; j < cmatrix_length;j++)
 341                         {
 342                                 scale += cmatrix[j];
 343                         }
 344
 345                         for(int i = 0; i < components; i++)
 346                         {
 347                                 double sum = 0;
 348                                 for(int j = cmatrix_middle - pixel; j < cmatrix_length; j++)
 349                                 {
 350                                         sum += input[(pixel + j - cmatrix_middle) * components + i] *
 351                                                 cmatrix[j];
 352                                 }
 353                                 output[pixel * components + i] = sum / scale;
 354                         }
 355                 }
 356
 357                 float *output_ptr = output + pixel * components;
 358                 for( ; pixel < pixels - cmatrix_middle; pixel++)
 359                 {
 360                         float *input_ptr = input + (pixel - cmatrix_middle) * components;
 361                         for(int i = 0; i < components; i++)
 362                         {
 363                                 double sum = 0;
 364                                 float *input_ptr2 = input_ptr;
 365                                 for(int j = cmatrix_length; j > 0; j--)
 366                                 {
 367                                         sum += get_convolution(cmatrix,
 368                                                 *input_ptr2,
 369                                                 cmatrix_length - j);
 370                                         input_ptr2 += components;
 371                                 }
 372                                 input_ptr++;
 373                                 *output_ptr++ = sum;
 374                         }
 375                 }
 376
 377                 for( ; pixel < pixels; pixel++)
 378                 {
 379                         double scale = 0;
 380                         for(int j = 0; j < pixels - pixel + cmatrix_middle; j++)
 381                         {
 382                                 scale += cmatrix[j];
 383                         }
 384
 385                         for(int i = 0; i < components; i++)
 386                         {
 387                                 double sum = 0;
 388                                 for(int j = 0; j < pixels - pixel + cmatrix_middle; j++)
 389                                 {
 390                                         sum += input[(pixel + j - cmatrix_middle) * components + i] *
 391                                                 cmatrix[j];
 392                                 }
 393                                 output[pixel * components + i] = sum / scale;
 394                         }
 395                 }
 396         }
 397 }
 398
 399 #define GET_ROW(type, components) \
 400 { \
 401         type *in_row = (type*)src->get_rows()[row]; \
 402         int pixels = src->get_w() * components; \
 403         for(int i = 0; i < pixels; i++) \
 404         { \
 405                 dst[i] = in_row[i]; \
 406         } \
 407 }
 408
 409 static void get_row(float *dst, VFrame *src, int row)
 410 {
 411         switch(src->get_color_model())
 412         {
 413                 case BC_RGB888:
 414                 case BC_YUV888:
 415                         GET_ROW(unsigned char, 3);
 416                         break;
 417                 case BC_RGB_FLOAT:
 418                         GET_ROW(float, 3);
 419                         break;
 420                 case BC_RGBA8888:
 421                 case BC_YUVA8888:
 422                         GET_ROW(unsigned char, 4);
 423                         break;
 424                 case BC_RGBA_FLOAT:
 425                         GET_ROW(float, 4);
 426                         break;
 427                 case BC_YUV161616:
 428                         GET_ROW(uint16_t, 3);
 429                         break;
 430                 case BC_YUVA16161616:
 431                         GET_ROW(uint16_t, 4);
 432                         break;
 433         }
 434 }
 435
 436 static void get_column(float *dst, VFrame *src, int column)
 437 {
 438         int components = BC_CModels::components(src->get_color_model());
 439         for(int i = 0; i < src->get_h(); i++)
 440         {
 441                 float *input_pixel = (float*)src->get_rows()[i] + column * components;
 442                 memcpy(dst, input_pixel, sizeof(float) * components);
 443                 dst += components;
 444         }
 445 }
 446
 447 static void put_column(float *src, VFrame *dst, int column)
 448 {
 449         int components = BC_CModels::components(dst->get_color_model());
 450         for(int i = 0; i < dst->get_h(); i++)
 451         {
 452                 float *output_pixel = (float*)dst->get_rows()[i] + column * components;
 453                 memcpy(output_pixel, src, sizeof(float) * components);
 454                 src += components;
 455         }
 456 }
 457
 458 void UnsharpUnit::process_package(LoadPackage *package)
 459 {
 460         UnsharpPackage *pkg = (UnsharpPackage*)package;
 461 //      int w = server->src->get_w();
 462 //      int h = server->src->get_h();
 463         int color_model = server->src->get_color_model();
 464         int components = BC_CModels::components(color_model);
 465         double *cmatrix = 0;
 466         int cmatrix_length = 0;
 467         int padded_y1 = pkg->y1;
 468         int padded_y2 = pkg->y2;
 469
 470         cmatrix_length = calculate_convolution_matrix(
 471                 plugin->config.radius,
 472                 &cmatrix);
 473
 474
 475         if(padded_y2 < server->src->get_h())
 476         {
 477                 padded_y2 += cmatrix_length / 2;
 478                 padded_y2 = MIN(server->src->get_h(), padded_y2);
 479         }
 480         if(padded_y1 > 0)
 481         {
 482                 padded_y1 -= cmatrix_length / 2;
 483                 padded_y1 = MAX(0, padded_y1);
 484         }
 485
 486         int padded_rows = padded_y2 - padded_y1;
 487
 488         if(!temp || temp->get_h() != padded_rows)
 489         {
 490                 delete temp;
 491                 temp = 0;
 492         }
 493
 494         if(!temp)
 495         {
 496                 temp = new VFrame;
 497                 temp->set_use_shm(0);
 498                 temp->reallocate(0,
 499                         -1,
 500                         0,
 501                         0,
 502                         0,
 503                         server->src->get_w(),
 504                         padded_rows,
 505                         components == 3 ? BC_RGB_FLOAT : BC_RGBA_FLOAT,
 506                         -1);
 507         }
 508
 509         float *temp_in = new float[MAX(temp->get_w(), padded_rows) * components];
 510         float *temp_out = new float[MAX(temp->get_w(), padded_rows) * components];
 511
 512 // Blur rows
 513         for(int i = padded_y1; i < padded_y2; i++)
 514         {
 515                 get_row(temp_in, server->src, i);
 516                 blur_pixels(cmatrix,
 517                         cmatrix_length,
 518                         temp_in,
 519                         temp_out,
 520                         temp->get_w(),
 521                         components);
 522 // printf("UnsharpUnit::process_package %d %p %p %p %d %d\n",
 523 // __LINE__,
 524 // temp,
 525 // temp->get_rows()[0],
 526 // temp_out,
 527 // i - padded_y1,
 528 // temp->get_bytes_per_line());
 529                 memcpy(temp->get_rows()[i - padded_y1],
 530                         temp_out,
 531                         temp->get_bytes_per_line());
 532         }
 533
 534 //Now we're 100% floating point.  Blur the columns
 535         for(int i = 0; i < temp->get_w(); i++)
 536         {
 537                 get_column(temp_in, temp, i);
 538                 blur_pixels(cmatrix,
 539                         cmatrix_length,
 540                         temp_in,
 541                         temp_out,
 542                         padded_rows,
 543                         components);
 544                 put_column(temp_out, temp, i);
 545         }
 546
 547
 548 //printf("%f %f %d\n", plugin->config.radius,plugin->config.amount, plugin->config.threshold);
 549
 550
 551 #define UNSHARPEN(type, components, max) \
 552 { \
 553         float threshold = (float)plugin->config.threshold * max / 0xff; \
 554         float amount = plugin->config.amount; \
 555  \
 556         for(int i = pkg->y1; i < pkg->y2; i++) \
 557         { \
 558                 float *blurry_row = (float*)temp->get_rows()[i - padded_y1]; \
 559                 type *orig_row = (type*)server->src->get_rows()[i]; \
 560                 for(int j = 0; j < server->src->get_w(); j++) \
 561                 { \
 562                         for(int k = 0; k < components; k++) \
 563                         { \
 564                                 float diff = *orig_row - *blurry_row; \
 565                                 if(fabsf(2 * diff) < threshold) \
 566                                         diff = 0; \
 567                                 float value = *orig_row + amount * diff; \
 568                                 if(sizeof(type) == 4) \
 569                                         *orig_row = (type)value; \
 570                                 else \
 571                                         *orig_row = (type)CLIP(value, 0, max); \
 572                                 blurry_row++; \
 573                                 orig_row++; \
 574                         } \
 575                 } \
 576         } \
 577 }
 578
 579 // Apply unsharpening
 580         switch(color_model)
 581         {
 582                 case BC_RGB888:
 583                 case BC_YUV888:
 584                         UNSHARPEN(unsigned char, 3, 0xff);
 585                         break;
 586                 case BC_RGBA8888:
 587                 case BC_YUVA8888:
 588                         UNSHARPEN(unsigned char, 4, 0xff);
 589                         break;
 590                 case BC_RGB_FLOAT:
 591                         UNSHARPEN(float, 3, 1.0);
 592                         break;
 593                 case BC_RGBA_FLOAT:
 594                         UNSHARPEN(float, 4, 1.0);
 595                         break;
 596                 case BC_YUV161616:
 597                         UNSHARPEN(uint16_t, 3, 0xffff);
 598                         break;
 599                 case BC_YUVA16161616:
 600                         UNSHARPEN(uint16_t, 4, 0xffff);
 601                         break;
 602         }
 603
 604         delete [] temp_in;
 605         delete [] temp_out;
 606         delete [] cmatrix;
 607 }
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617 UnsharpEngine::UnsharpEngine(UnsharpMain *plugin,
 618         int total_clients,
 619         int total_packages)
 620  : LoadServer(
 621 //1, 1
 622 total_clients, total_packages
 623 )
 624 {
 625         this->plugin = plugin;
 626 }
 627
 628 UnsharpEngine::~UnsharpEngine()
 629 {
 630 }
 631
 632
 633 void UnsharpEngine::init_packages()
 634 {
 635         for(int i = 0; i < get_total_packages(); i++)
 636         {
 637                 UnsharpPackage *pkg = (UnsharpPackage*)get_package(i);
 638                 pkg->y1 = src->get_h() * i / get_total_packages();
 639                 pkg->y2 = src->get_h() * (i + 1) / get_total_packages();
 640         }
 641 }
 642
 643 LoadClient* UnsharpEngine::new_client()
 644 {
 645         return new UnsharpUnit(this, plugin);
 646 }
 647
 648 LoadPackage* UnsharpEngine::new_package()
 649 {
 650         return new UnsharpPackage;
 651 }
 652
 653
 654 void UnsharpEngine::do_unsharp(VFrame *src)
 655 {
 656         this->src = src;
 657
 658         process_packages();
 659 }
 660
 661
 662
 663
 664
 665
 666
 667
 668