cinelerra-5.0/plugins/brightness/brightness.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 "clip.h"
  23 #include "filexml.h"
  24 #include "brightness.h"
  25 #include "bchash.h"
  26 #include "language.h"
  27
  28 #include <stdio.h>
  29 #include <stdint.h>
  30 #include <string.h>
  31
  32
  33 REGISTER_PLUGIN(BrightnessMain)
  34
  35
  36
  37 BrightnessConfig::BrightnessConfig()
  38 {
  39         brightness = 0;
  40         contrast = 0;
  41         luma = 1;
  42 }
  43
  44 int BrightnessConfig::equivalent(BrightnessConfig &that)
  45 {
  46         return (brightness == that.brightness &&
  47                 contrast == that.contrast &&
  48                 luma == that.luma);
  49 }
  50
  51 void BrightnessConfig::copy_from(BrightnessConfig &that)
  52 {
  53         brightness = that.brightness;
  54         contrast = that.contrast;
  55         luma = that.luma;
  56 }
  57
  58 void BrightnessConfig::interpolate(BrightnessConfig &prev,
  59         BrightnessConfig &next,
  60         int64_t prev_frame,
  61         int64_t next_frame,
  62         int64_t current_frame)
  63 {
  64         double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
  65         double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
  66
  67         this->brightness = prev.brightness * prev_scale + next.brightness * next_scale;
  68         this->contrast = prev.contrast * prev_scale + next.contrast * next_scale;
  69         this->luma = (int)(prev.luma * prev_scale + next.luma * next_scale);
  70 }
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80 YUV BrightnessMain::yuv;
  81
  82 BrightnessMain::BrightnessMain(PluginServer *server)
  83  : PluginVClient(server)
  84 {
  85     redo_buffers = 1;
  86         engine = 0;
  87
  88 }
  89
  90 BrightnessMain::~BrightnessMain()
  91 {
  92
  93         if(engine) delete engine;
  94 }
  95
  96 const char* BrightnessMain::plugin_title() { return N_("Brightness/Contrast"); }
  97 int BrightnessMain::is_realtime() { return 1; }
  98
  99 NEW_WINDOW_MACRO(BrightnessMain, BrightnessWindow)
 100 LOAD_CONFIGURATION_MACRO(BrightnessMain, BrightnessConfig)
 101
 102 int BrightnessMain::process_buffer(VFrame *frame,
 103         int64_t start_position,
 104         double frame_rate)
 105 {
 106         load_configuration();
 107
 108         read_frame(frame,
 109                 0,
 110                 start_position,
 111                 frame_rate,
 112                 get_use_opengl());
 113
 114
 115 // Use hardware
 116         if(get_use_opengl())
 117         {
 118                 run_opengl();
 119                 return 0;
 120         }
 121
 122
 123
 124
 125         if(!engine) engine = new BrightnessEngine(this, PluginClient::smp + 1);
 126
 127         this->input = frame;
 128         this->output = frame;
 129
 130         if(!EQUIV(config.brightness, 0) || !EQUIV(config.contrast, 0))
 131         {
 132                 engine->process_packages();
 133         }
 134
 135         return 0;
 136 }
 137
 138 int BrightnessMain::handle_opengl()
 139 {
 140 #ifdef HAVE_GL
 141         static const char *brightness_yuvluma_frag =
 142                 "uniform sampler2D tex;\n"
 143                 "uniform float brightness;\n"
 144                 "uniform float contrast;\n"
 145                 "uniform float offset;\n"
 146                 "void main()\n"
 147                 "{\n"
 148                 "       vec4 yuva = texture2D(tex, gl_TexCoord[0].st);\n"
 149                 "       yuva.r += brightness;\n"
 150                 "       yuva.r = yuva.r * contrast + offset;\n"
 151                 "       gl_FragColor = yuva;\n"
 152                 "}\n";
 153
 154         static const char *brightness_yuv_frag =
 155                 "uniform sampler2D tex;\n"
 156                 "uniform float brightness;\n"
 157                 "uniform float contrast;\n"
 158                 "uniform float offset;\n"
 159                 "void main()\n"
 160                 "{\n"
 161                 "       vec4 yuva = texture2D(tex, gl_TexCoord[0].st);\n"
 162                 "       yuva.r += brightness;\n"
 163                 "       yuva.rgb *= vec3(contrast, contrast, contrast);\n"
 164                 "       yuva.rgb += vec3(offset, offset, offset);\n"
 165                 "       gl_FragColor = yuva;\n"
 166                 "}\n";
 167
 168         static const char *brightness_rgb_frag =
 169                 "uniform sampler2D tex;\n"
 170                 "uniform float brightness;\n"
 171                 "uniform float contrast;\n"
 172                 "uniform float offset;\n"
 173                 "void main()\n"
 174                 "{\n"
 175                 "       vec4 rgba = texture2D(tex, gl_TexCoord[0].st);\n"
 176                 "       rgba.rgb += vec3(brightness, brightness, brightness);\n"
 177                 "       rgba.rgb *= vec3(contrast, contrast, contrast);\n"
 178                 "       rgba.rgb += vec3(offset, offset, offset);\n"
 179                 "       gl_FragColor = rgba;\n"
 180                 "}\n";
 181
 182         static const char *brightness_rgbluma_frag =
 183                 "uniform sampler2D tex;\n"
 184                 "uniform float brightness;\n"
 185                 "uniform float contrast;\n"
 186                 "uniform float offset;\n"
 187                 "void main()\n"
 188                 "{\n"
 189                 "       const mat3 yuv_to_rgb_matrix = mat3(\n"
 190                 "               1,       1,        1, \n"
 191                 "               0,       -0.34414, 1.77200, \n"
 192                 "               1.40200, -0.71414, 0);\n"
 193                 "       const mat3 rgb_to_yuv_matrix = mat3(\n"
 194                 "               0.29900, -0.16874, 0.50000, \n"
 195                 "               0.58700, -0.33126, -0.41869, \n"
 196                 "               0.11400, 0.50000,  -0.08131);\n"
 197                 "       vec4 rgba = texture2D(tex, gl_TexCoord[0].st);\n"
 198                 "       rgba.rgb = rgb_to_yuv_matrix * rgba.rgb;\n"
 199                 "       rgba.r += brightness;\n"
 200                 "       rgba.r = rgba.r * contrast + offset;\n"
 201                 "       rgba.rgb = yuv_to_rgb_matrix * rgba.rgb;\n"
 202                 "       gl_FragColor = rgba;\n"
 203                 "}\n";
 204
 205         get_output()->to_texture();
 206         get_output()->enable_opengl();
 207
 208         unsigned int shader_id = 0;
 209         switch(get_output()->get_color_model())
 210         {
 211                 case BC_YUV888:
 212                 case BC_YUVA8888:
 213                         if(config.luma)
 214                                 shader_id = VFrame::make_shader(0,
 215                                         brightness_yuvluma_frag,
 216                                         0);
 217                         else
 218                                 shader_id = VFrame::make_shader(0,
 219                                         brightness_yuv_frag,
 220                                         0);
 221                         break;
 222                 default:
 223                         if(config.luma)
 224                                 shader_id = VFrame::make_shader(0,
 225                                         brightness_rgbluma_frag,
 226                                         0);
 227                         else
 228                                 shader_id = VFrame::make_shader(0,
 229                                         brightness_rgb_frag,
 230                                         0);
 231                         break;
 232         }
 233
 234
 235         if(shader_id > 0)
 236         {
 237                 glUseProgram(shader_id);
 238                 glUniform1i(glGetUniformLocation(shader_id, "tex"), 0);
 239                 glUniform1f(glGetUniformLocation(shader_id, "brightness"), config.brightness / 100);
 240                 float contrast = (config.contrast < 0) ?
 241                         (config.contrast + 100) / 100 :
 242                         (config.contrast + 25) / 25;
 243                 glUniform1f(glGetUniformLocation(shader_id, "contrast"), contrast);
 244                 float offset = 0.5 - contrast / 2;
 245                 glUniform1f(glGetUniformLocation(shader_id, "offset"), offset);
 246         }
 247
 248         get_output()->init_screen();
 249         get_output()->bind_texture(0);
 250
 251
 252
 253         get_output()->draw_texture();
 254         glUseProgram(0);
 255         get_output()->set_opengl_state(VFrame::SCREEN);
 256 //printf("BrightnessMain::handle_opengl 100 %x\n", glGetError());
 257 #endif
 258         return 0;
 259 }
 260
 261
 262 void BrightnessMain::update_gui()
 263 {
 264         if(thread)
 265         {
 266                 if(load_configuration())
 267                 {
 268                         ((BrightnessWindow*)thread->window)->lock_window("BrightnessMain::update_gui");
 269                         ((BrightnessWindow*)thread->window)->brightness->update(config.brightness);
 270                         ((BrightnessWindow*)thread->window)->contrast->update(config.contrast);
 271                         ((BrightnessWindow*)thread->window)->luma->update(config.luma);
 272                         ((BrightnessWindow*)thread->window)->unlock_window();
 273                 }
 274         }
 275 }
 276
 277
 278 void BrightnessMain::save_data(KeyFrame *keyframe)
 279 {
 280         FileXML output;
 281
 282 // cause data to be stored directly in text
 283         output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
 284         output.tag.set_title("BRIGHTNESS");
 285         output.tag.set_property("BRIGHTNESS", config.brightness);
 286         output.tag.set_property("CONTRAST",  config.contrast);
 287         output.tag.set_property("LUMA",  config.luma);
 288         output.append_tag();
 289         output.terminate_string();
 290 }
 291
 292 void BrightnessMain::read_data(KeyFrame *keyframe)
 293 {
 294         FileXML input;
 295
 296         input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
 297
 298         int result = 0;
 299
 300         while(!result)
 301         {
 302                 result = input.read_tag();
 303
 304                 if(!result)
 305                 {
 306                         if(input.tag.title_is("BRIGHTNESS"))
 307                         {
 308                                 config.brightness = input.tag.get_property("BRIGHTNESS", config.brightness);
 309                                 config.contrast = input.tag.get_property("CONTRAST", config.contrast);
 310                                 config.luma = input.tag.get_property("LUMA", config.luma);
 311                         }
 312                 }
 313         }
 314 }
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328 BrightnessPackage::BrightnessPackage()
 329  : LoadPackage()
 330 {
 331 }
 332
 333
 334
 335
 336 BrightnessUnit::BrightnessUnit(BrightnessEngine *server, BrightnessMain *plugin)
 337  : LoadClient(server)
 338 {
 339         this->plugin = plugin;
 340 }
 341
 342 BrightnessUnit::~BrightnessUnit()
 343 {
 344 }
 345
 346 void BrightnessUnit::process_package(LoadPackage *package)
 347 {
 348         BrightnessPackage *pkg = (BrightnessPackage*)package;
 349
 350
 351         VFrame *output = plugin->output;
 352         VFrame *input = plugin->input;
 353
 354
 355
 356
 357
 358 #define DO_BRIGHTNESS(max, type, components, is_yuv) \
 359 { \
 360         type **input_rows = (type**)input->get_rows(); \
 361         type **output_rows = (type**)output->get_rows(); \
 362         int row1 = pkg->row1; \
 363         int row2 = pkg->row2; \
 364         int width = output->get_w(); \
 365         int r, g, b; \
 366  \
 367         if(!EQUIV(plugin->config.brightness, 0)) \
 368         { \
 369                 int offset = (int)(plugin->config.brightness / 100 * max); \
 370 /*printf("DO_BRIGHTNESS offset=%d\n", offset);*/ \
 371  \
 372                 for(int i = row1; i < row2; i++) \
 373                 { \
 374                         type *input_row = input_rows[i]; \
 375                         type *output_row = output_rows[i]; \
 376  \
 377                         for(int j = 0; j < width; j++) \
 378                         { \
 379                                 r = input_row[j * components] + offset; \
 380  \
 381                                 if(!is_yuv) \
 382                                 { \
 383                                         g = input_row[j * components + 1] + offset; \
 384                                         b = input_row[j * components + 2] + offset; \
 385                                 } \
 386  \
 387                                 CLAMP(r, 0, max); \
 388                                 if(!is_yuv) \
 389                                 { \
 390                                         CLAMP(g, 0, max); \
 391                                         CLAMP(b, 0, max); \
 392                                 } \
 393  \
 394                                 output_row[j * components] = r; \
 395  \
 396                                 if(!is_yuv) \
 397                                 { \
 398                                         output_row[j * components + 1] = g; \
 399                                         output_row[j * components + 2] = b; \
 400                                 } \
 401                                 else \
 402                                 { \
 403                                         output_row[j * components + 1] = input_row[j * components + 1]; \
 404                                         output_row[j * components + 2] = input_row[j * components + 2]; \
 405                                 } \
 406  \
 407                                 if(components == 4)  \
 408                                         output_row[j * components + 3] = input_row[j * components + 3]; \
 409                         } \
 410                 } \
 411  \
 412 /* Data to be processed is now in the output buffer */ \
 413                 input_rows = output_rows; \
 414         } \
 415  \
 416         if(!EQUIV(plugin->config.contrast, 0)) \
 417         { \
 418                 float contrast = (plugin->config.contrast < 0) ?  \
 419                         (plugin->config.contrast + 100) / 100 :  \
 420                         (plugin->config.contrast + 25) / 25; \
 421 /*printf("DO_BRIGHTNESS contrast=%f\n", contrast);*/ \
 422  \
 423                 int scalar = (int)(contrast * 0x100); \
 424                 int offset = (max << 8) / 2 - max * scalar / 2; \
 425                 int y, u, v; \
 426  \
 427                 for(int i = row1; i < row2; i++) \
 428                 { \
 429                         type *input_row = input_rows[i]; \
 430                         type *output_row = output_rows[i]; \
 431  \
 432                         if(plugin->config.luma) \
 433                         { \
 434                                 for(int j = 0; j < width; j++) \
 435                                 { \
 436                                         if(is_yuv) \
 437                                         { \
 438                                                 y = input_row[j * components]; \
 439                                         } \
 440                                         else \
 441                                         { \
 442                                                 r = input_row[j * components]; \
 443                                                 g = input_row[j * components + 1]; \
 444                                                 b = input_row[j * components + 2]; \
 445                                                 if(max == 0xff) \
 446                                                 { \
 447                                                         BrightnessMain::yuv.rgb_to_yuv_8( \
 448                                                                 r,  \
 449                                                                 g,  \
 450                                                                 b,  \
 451                                                                 y,  \
 452                                                                 u,  \
 453                                                                 v); \
 454                                                 } \
 455                                                 else \
 456                                                 { \
 457                                                         BrightnessMain::yuv.rgb_to_yuv_16( \
 458                                                                 r,  \
 459                                                                 g,  \
 460                                                                 b,  \
 461                                                                 y,  \
 462                                                                 u,  \
 463                                                                 v); \
 464                                                 } \
 465          \
 466                                         } \
 467          \
 468                                         y = (y * scalar + offset) >> 8; \
 469                                         CLAMP(y, 0, max); \
 470          \
 471          \
 472                                         if(is_yuv) \
 473                                         { \
 474                                                 output_row[j * components] = y; \
 475                                                 output_row[j * components + 1] = input_row[j * components + 1]; \
 476                                                 output_row[j * components + 2] = input_row[j * components + 2]; \
 477                                         } \
 478                                         else \
 479                                         { \
 480                                                 if(max == 0xff) \
 481                                                 { \
 482                                                         BrightnessMain::yuv.yuv_to_rgb_8( \
 483                                                                 r,  \
 484                                                                 g,  \
 485                                                                 b,  \
 486                                                                 y,  \
 487                                                                 u,  \
 488                                                                 v); \
 489                                                 } \
 490                                                 else \
 491                                                 { \
 492                                                         BrightnessMain::yuv.yuv_to_rgb_16( \
 493                                                                 r,  \
 494                                                                 g,  \
 495                                                                 b,  \
 496                                                                 y,  \
 497                                                                 u,  \
 498                                                                 v); \
 499                                                 } \
 500                                                 input_row[j * components] = r; \
 501                                                 input_row[j * components + 1] = g; \
 502                                                 input_row[j * components + 2] = b; \
 503                                         } \
 504          \
 505                                         if(components == 4)  \
 506                                                 output_row[j * components + 3] = input_row[j * components + 3]; \
 507                                 } \
 508                         } \
 509                         else \
 510                         { \
 511                                 for(int j = 0; j < width; j++) \
 512                                 { \
 513                                         r = input_row[j * components]; \
 514                                         g = input_row[j * components + 1]; \
 515                                         b = input_row[j * components + 2]; \
 516  \
 517                                         r = (r * scalar + offset) >> 8; \
 518                                         g = (g * scalar + offset) >> 8; \
 519                                         b = (b * scalar + offset) >> 8; \
 520  \
 521                                         CLAMP(r, 0, max); \
 522                                         CLAMP(g, 0, max); \
 523                                         CLAMP(b, 0, max); \
 524  \
 525                                         output_row[j * components] = r; \
 526                                         output_row[j * components + 1] = g; \
 527                                         output_row[j * components + 2] = b; \
 528  \
 529                                         if(components == 4)  \
 530                                                 output_row[j * components + 3] = input_row[j * components + 3]; \
 531                                 } \
 532                         } \
 533                 } \
 534         } \
 535 }
 536
 537
 538
 539 #define DO_BRIGHTNESS_F(components) \
 540 { \
 541         float **input_rows = (float**)input->get_rows(); \
 542         float **output_rows = (float**)output->get_rows(); \
 543         int row1 = pkg->row1; \
 544         int row2 = pkg->row2; \
 545         int width = output->get_w(); \
 546         float r, g, b; \
 547  \
 548         if(!EQUIV(plugin->config.brightness, 0)) \
 549         { \
 550                 float offset = plugin->config.brightness / 100; \
 551  \
 552                 for(int i = row1; i < row2; i++) \
 553                 { \
 554                         float *input_row = input_rows[i]; \
 555                         float *output_row = output_rows[i]; \
 556  \
 557                         for(int j = 0; j < width; j++) \
 558                         { \
 559                                 r = input_row[j * components] + offset; \
 560                                 g = input_row[j * components + 1] + offset; \
 561                                 b = input_row[j * components + 2] + offset; \
 562  \
 563                                 output_row[j * components] = r; \
 564                                 output_row[j * components + 1] = g; \
 565                                 output_row[j * components + 2] = b; \
 566                                 if(components == 4)  \
 567                                         output_row[j * components + 3] = input_row[j * components + 3]; \
 568                         } \
 569                 } \
 570  \
 571 /* Data to be processed is now in the output buffer */ \
 572                 input_rows = output_rows; \
 573         } \
 574  \
 575         if(!EQUIV(plugin->config.contrast, 0)) \
 576         { \
 577                 float contrast = (plugin->config.contrast < 0) ?  \
 578                         (plugin->config.contrast + 100) / 100 :  \
 579                         (plugin->config.contrast + 25) / 25; \
 580  \
 581 /* Shift black level down so shadows get darker instead of lighter */ \
 582                 float offset = 0.5 - contrast / 2; \
 583                 float y, u, v; \
 584  \
 585                 for(int i = row1; i < row2; i++) \
 586                 { \
 587                         float *input_row = input_rows[i]; \
 588                         float *output_row = output_rows[i]; \
 589  \
 590                         if(plugin->config.luma) \
 591                         { \
 592                                 for(int j = 0; j < width; j++) \
 593                                 { \
 594                                         r = input_row[j * components]; \
 595                                         g = input_row[j * components + 1]; \
 596                                         b = input_row[j * components + 2]; \
 597                                         YUV::rgb_to_yuv_f( \
 598                                                 r,  \
 599                                                 g,  \
 600                                                 b,  \
 601                                                 y,  \
 602                                                 u,  \
 603                                                 v); \
 604  \
 605                                         y = y * contrast + offset; \
 606  \
 607  \
 608                                         YUV::yuv_to_rgb_f( \
 609                                                 r,  \
 610                                                 g,  \
 611                                                 b,  \
 612                                                 y,  \
 613                                                 u,  \
 614                                                 v); \
 615                                         input_row[j * components] = r; \
 616                                         input_row[j * components + 1] = g; \
 617                                         input_row[j * components + 2] = b; \
 618  \
 619                                         if(components == 4)  \
 620                                                 output_row[j * components + 3] = input_row[j * components + 3]; \
 621                                 } \
 622                         } \
 623                         else \
 624                         { \
 625                                 for(int j = 0; j < width; j++) \
 626                                 { \
 627                                         r = input_row[j * components]; \
 628                                         g = input_row[j * components + 1]; \
 629                                         b = input_row[j * components + 2]; \
 630  \
 631                                         r = r * contrast + offset; \
 632                                         g = g * contrast + offset; \
 633                                         b = b * contrast + offset; \
 634  \
 635                                         output_row[j * components] = r; \
 636                                         output_row[j * components + 1] = g; \
 637                                         output_row[j * components + 2] = b; \
 638  \
 639                                         if(components == 4)  \
 640                                                 output_row[j * components + 3] = input_row[j * components + 3]; \
 641                                 } \
 642                         } \
 643                 } \
 644         } \
 645 }
 646
 647
 648         switch(input->get_color_model())
 649         {
 650                 case BC_RGB888:
 651                         DO_BRIGHTNESS(0xff, unsigned char, 3, 0)
 652                         break;
 653
 654                 case BC_RGB_FLOAT:
 655                         DO_BRIGHTNESS_F(3)
 656                         break;
 657
 658                 case BC_YUV888:
 659                         DO_BRIGHTNESS(0xff, unsigned char, 3, 1)
 660                         break;
 661
 662                 case BC_RGBA8888:
 663                         DO_BRIGHTNESS(0xff, unsigned char, 4, 0)
 664                         break;
 665
 666                 case BC_RGBA_FLOAT:
 667                         DO_BRIGHTNESS_F(4)
 668                         break;
 669
 670                 case BC_YUVA8888:
 671                         DO_BRIGHTNESS(0xff, unsigned char, 4, 1)
 672                         break;
 673
 674                 case BC_RGB161616:
 675                         DO_BRIGHTNESS(0xffff, uint16_t, 3, 0)
 676                         break;
 677
 678                 case BC_YUV161616:
 679                         DO_BRIGHTNESS(0xffff, uint16_t, 3, 1)
 680                         break;
 681
 682                 case BC_RGBA16161616:
 683                         DO_BRIGHTNESS(0xffff, uint16_t, 4, 0)
 684                         break;
 685
 686                 case BC_YUVA16161616:
 687                         DO_BRIGHTNESS(0xffff, uint16_t, 4, 1)
 688                         break;
 689         }
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699 }
 700
 701
 702
 703
 704
 705
 706 BrightnessEngine::BrightnessEngine(BrightnessMain *plugin, int cpus)
 707  : LoadServer(cpus, cpus)
 708 {
 709         this->plugin = plugin;
 710 }
 711
 712 BrightnessEngine::~BrightnessEngine()
 713 {
 714 }
 715
 716
 717 void BrightnessEngine::init_packages()
 718 {
 719         for(int i = 0; i < LoadServer::get_total_packages(); i++)
 720         {
 721                 BrightnessPackage *package = (BrightnessPackage*)LoadServer::get_package(i);
 722                 package->row1 = plugin->input->get_h() * i / LoadServer::get_total_packages();
 723                 package->row2 = plugin->input->get_h() * (i + 1) / LoadServer::get_total_packages();
 724         }
 725 }
 726
 727 LoadClient* BrightnessEngine::new_client()
 728 {
 729         return new BrightnessUnit(this, plugin);
 730 }
 731
 732 LoadPackage* BrightnessEngine::new_package()
 733 {
 734         return new BrightnessPackage;
 735 }
 736
 737
 738
 739
 740