cinelerra-5.1/guicast/rotateframe.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 "condition.h"
  23 #include "rotateframe.h"
  24 #include "vframe.h"
  25
  26 #include <math.h>
  27 #include <stdint.h>
  28 #include <stdio.h>
  29 #include <unistd.h>
  30
  31 #define SQR(x) ((x) * (x))
  32
  33 RotateFrame::RotateFrame(int cpus, int width, int height)
  34 {
  35         int y1, y2, y_increment;
  36         y_increment = height / cpus;
  37         y1 = 0;
  38         this->cpus = cpus;
  39
  40         engine = new RotateEngine*[cpus];
  41         for(int i = 0; i < cpus; i++)
  42         {
  43                 y2 = y1 + y_increment;
  44                 if(i == cpus - 1 && y2 < height - 1) y2 = height - 1;
  45                 engine[i] = new RotateEngine(this, y1, y2);
  46                 engine[i]->start();
  47                 y1 += y_increment;
  48         }
  49
  50         float_matrix = 0;
  51         int_matrix = 0;
  52         int_rows = 0;
  53         float_rows = 0;
  54         last_angle = 0;
  55         last_interpolate = 0;
  56 }
  57
  58 RotateFrame::~RotateFrame()
  59 {
  60         for(int i = 0; i < cpus; i++)
  61         {
  62                 delete engine[i];
  63         }
  64         delete [] engine;
  65         if(float_matrix) delete [] float_matrix;
  66         if(int_matrix) delete [] int_matrix;
  67         if(float_rows) delete [] float_rows;
  68         if(int_rows) delete [] int_rows;
  69 }
  70
  71
  72 void RotateFrame::rotate(VFrame *output,
  73         VFrame *input,
  74         double angle,
  75         int interpolate)
  76 {
  77         this->angle = angle;
  78         this->output = output;
  79         this->input = input;
  80         this->interpolate = interpolate;
  81
  82         if(angle != 0)
  83         {
  84         if(angle == 90 || angle == 180 || angle == 270)
  85             rotate_rightangle(input,
  86                                 output,
  87                                 (int)angle);
  88                 else
  89                 {
  90                         rotate_obliqueangle(input,
  91                                 output,
  92                                 angle,
  93                                 interpolate);
  94                 }
  95         }
  96         else
  97 // Data never processed so copy if necessary
  98         {
  99                 output->copy_from(input);
 100         }
 101         this->last_angle = angle;
 102 }
 103
 104 int RotateFrame::get_rightdimensions(VFrame *frame,
 105         int &diameter,
 106         int &in_x1,
 107         int &in_y1,
 108         int &in_x2,
 109         int &in_y2,
 110         int &out_x1,
 111         int &out_y1,
 112         int &out_x2,
 113         int &out_y2)
 114 {
 115     diameter = frame->get_w() < frame->get_h() ? frame->get_w() : frame->get_h();
 116     out_x1 = in_x1 = frame->get_w() / 2 - diameter / 2;
 117     out_x2 = in_x2 = in_x1 + diameter - 1;
 118     out_y1 = in_y1 = frame->get_h() / 2 - diameter / 2;
 119     out_y2 = in_y2 = in_y1 + diameter - 1;
 120         return 0;
 121 }
 122
 123
 124
 125 #define ROTATE_RIGHTANGLE(type, components) \
 126 { \
 127         type **input_rows = (type**)input->get_rows(); \
 128         type **output_rows = (type**)output->get_rows(); \
 129         int height = output->get_h(); \
 130         int width = output->get_w(); \
 131  \
 132         switch(angle) \
 133         { \
 134                 case 90: \
 135                         get_rightdimensions(input, \
 136                                 diameter,  \
 137                                 in_x1,  \
 138                                 in_y1,  \
 139                                 in_x2,  \
 140                                 in_y2,  \
 141                                 out_x1,  \
 142                                 out_y1,  \
 143                                 out_x2,  \
 144                                 out_y2); \
 145             while(in_x2 > in_x1) \
 146             { \
 147                 diameter = in_x2 - in_x1; \
 148                 for(int i = 0; i < diameter; i++) \
 149                 { \
 150                     type temp_pixel[components]; \
 151                                         for(int j = 0; j < components; j++) \
 152                                         { \
 153                                                 temp_pixel[j] = input_rows[in_y1 + i][in_x2 * components + j]; \
 154  \
 155                         output_rows[in_y1 + i][in_x2 * components + j]   = input_rows[in_y1][(in_x1 + i) * components + j]; \
 156                         output_rows[in_y1][(in_x1 + i) * components + j] = input_rows[in_y2 - i][in_x1 * components + j]; \
 157                         output_rows[in_y2 - i][in_x1 * components + j]   = input_rows[in_y2][(in_x2 - i) * components + j]; \
 158                         output_rows[in_y2][(in_x2 - i) * components + j] = temp_pixel[j]; \
 159                                         } \
 160                 } \
 161  \
 162                 in_x2--; \
 163                 in_x1++; \
 164                 in_y2--; \
 165                 in_y1++; \
 166             } \
 167                         break; \
 168  \
 169         case 180: \
 170                 for(int i = 0, j = height - 1; i < j; i++, j--) \
 171             { \
 172                 for(int k = 0, l = width - 1; k < width; k++, l--) \
 173                 { \
 174                     type temp_pixel[components]; \
 175                                         for(int m = 0; m < components; m++) \
 176                                         { \
 177                                 temp_pixel[m] = input_rows[j][k * components + m]; \
 178                         output_rows[j][k * components + m] = input_rows[i][l * components + m]; \
 179                         output_rows[i][l * components + m] = temp_pixel[m]; \
 180                                         } \
 181                 } \
 182             } \
 183                         break; \
 184  \
 185                 case 270: \
 186                         get_rightdimensions(input, \
 187                                 diameter,  \
 188                                 in_x1,  \
 189                                 in_y1,  \
 190                                 in_x2,  \
 191                                 in_y2,  \
 192                                 out_x1,  \
 193                                 out_y1,  \
 194                                 out_x2,  \
 195                                 out_y2); \
 196  \
 197             while(in_x2 > in_x1) \
 198             { \
 199                 diameter = in_x2 - in_x1; \
 200                 for(int i = 0; i < diameter; i++) \
 201                 { \
 202                     type temp_pixel[components]; \
 203                                         for(int j = 0; j < components; j++) \
 204                                         { \
 205                         temp_pixel[j] = input_rows[in_y1 + i][in_x1 * components + j]; \
 206                         output_rows[in_y1 + i][in_x1 * components + j]   = input_rows[in_y1][(in_x2 - i) * components + j]; \
 207                         output_rows[in_y1][(in_x2 - i) * components + j] = input_rows[in_y2 - i][in_x2 * components + j]; \
 208                         output_rows[in_y2 - i][in_x2 * components + j]   = input_rows[in_y2][(in_x1 + i) * components + j]; \
 209                         output_rows[in_y2][(in_x1 + i) * components + j] = temp_pixel[j]; \
 210                                         } \
 211                 } \
 212  \
 213                 in_x2--; \
 214                 in_x1++; \
 215                 in_y2--; \
 216                 in_y1++; \
 217             } \
 218                         break; \
 219         } \
 220 }
 221
 222
 223 int RotateFrame::rotate_rightangle(VFrame *input,
 224         VFrame *output,
 225         int angle)
 226 {
 227         int in_x1 = 0;
 228     int in_y1 = 0;
 229     int in_x2 = input->get_w();
 230     int in_y2 = input->get_h();
 231         int out_x1, out_y1, out_x2, out_y2;
 232     int diameter;
 233
 234         output->clear_frame();
 235         switch(output->get_color_model())
 236         {
 237                 case BC_RGB888:
 238                         ROTATE_RIGHTANGLE(unsigned char, 3);
 239                         break;
 240                 case BC_RGBA8888:
 241                         ROTATE_RIGHTANGLE(unsigned char, 4);
 242                         break;
 243                 case BC_RGB_FLOAT:
 244                         ROTATE_RIGHTANGLE(float, 3);
 245                         break;
 246                 case BC_RGBA_FLOAT:
 247                         ROTATE_RIGHTANGLE(float, 4);
 248                         break;
 249                 case BC_YUV888:
 250                         ROTATE_RIGHTANGLE(unsigned char, 3);
 251                         break;
 252                 case BC_YUVA8888:
 253                         ROTATE_RIGHTANGLE(unsigned char, 4);
 254                         break;
 255                 case BC_RGB161616:
 256                         ROTATE_RIGHTANGLE(uint16_t, 3);
 257                         break;
 258                 case BC_RGBA16161616:
 259                         ROTATE_RIGHTANGLE(uint16_t, 4);
 260                         break;
 261                 case BC_YUV161616:
 262                         ROTATE_RIGHTANGLE(uint16_t, 3);
 263                         break;
 264                 case BC_YUVA16161616:
 265                         ROTATE_RIGHTANGLE(uint16_t, 4);
 266                         break;
 267         }
 268         return 0;
 269 }
 270
 271 int RotateFrame::rotate_obliqueangle(VFrame *input,
 272         VFrame *output,
 273         double angle,
 274         int interpolate)
 275 {
 276         int i;
 277         int center_x, center_y;
 278         int need_matrix = 0;
 279
 280         center_x = input->get_w() / 2;
 281         center_y = input->get_h() / 2;
 282
 283         if(last_angle != angle ||
 284                 (interpolate && !float_matrix) ||
 285                 (!interpolate && !int_matrix))
 286         {
 287                 if(interpolate && !float_matrix)
 288                 {
 289                         float_matrix = new SourceCoord[input->get_w() * input->get_h()];
 290                         float_rows = new SourceCoord*[input->get_h()];
 291                         for(i = 0; i < input->get_h(); i++)
 292                         {
 293                                 float_rows[i] = &float_matrix[i * input->get_w()];
 294                         }
 295                 }
 296                 else
 297                 if(!interpolate && !int_matrix)
 298                 {
 299                         int_matrix = new int[input->get_w() * input->get_h()];
 300                         int_rows = new int*[input->get_h()];
 301                         for(i = 0; i < input->get_h(); i++)
 302                         {
 303                                 int_rows[i] = &int_matrix[i * input->get_w()];
 304                         }
 305                 }
 306
 307                 need_matrix = 1;
 308         }
 309
 310         if(last_angle != angle) need_matrix = 1;
 311         if(last_interpolate != interpolate) need_matrix = 1;
 312
 313         if(need_matrix)
 314         {
 315 // Last angle != angle implied by first buffer needing to be allocated
 316                 for(i = 0; i < cpus; i++)
 317                 {
 318                         engine[i]->generate_matrix(interpolate);
 319                 }
 320
 321                 for(i = 0; i < cpus; i++)
 322                 {
 323                         engine[i]->wait_completion();
 324                 }
 325         }
 326
 327         last_angle = angle;
 328         last_interpolate = interpolate;
 329
 330 // Perform the rotation
 331         for(i = 0; i < cpus; i++)
 332         {
 333                 engine[i]->perform_rotation(input, output, interpolate);
 334         }
 335
 336         for(i = 0; i < cpus; i++)
 337         {
 338                 engine[i]->wait_completion();
 339         }
 340
 341
 342
 343 #define FILL_CENTER(type, components) \
 344 { \
 345         type *out_pixel = ((type**)output->get_rows())[center_y] + center_x * components; \
 346         type *in_pixel = ((type**)input->get_rows())[center_y] + center_x * components; \
 347  \
 348         out_pixel[0] = in_pixel[0]; \
 349         out_pixel[1] = in_pixel[1]; \
 350         out_pixel[2] = in_pixel[2]; \
 351         if(components == 4) out_pixel[3] = in_pixel[3]; \
 352 }
 353
 354
 355
 356
 357
 358 // Fill center pixel
 359         switch(input->get_color_model())
 360         {
 361                 case BC_RGB_FLOAT:
 362                         FILL_CENTER(float, 3)
 363                         break;
 364                 case BC_RGBA_FLOAT:
 365                         FILL_CENTER(float, 4)
 366                         break;
 367                 case BC_RGB888:
 368                 case BC_YUV888:
 369                         FILL_CENTER(unsigned char, 3)
 370                         break;
 371                 case BC_RGBA8888:
 372                 case BC_YUVA8888:
 373                         FILL_CENTER(unsigned char, 4)
 374                         break;
 375                 case BC_RGB161616:
 376                 case BC_YUV161616:
 377                         FILL_CENTER(uint16_t, 3)
 378                         break;
 379                 case BC_RGBA16161616:
 380                 case BC_YUVA16161616:
 381                         FILL_CENTER(uint16_t, 4)
 382                         break;
 383         }
 384         return 0;
 385 }
 386
 387
 388
 389
 390
 391
 392
 393
 394 RotateEngine::RotateEngine(RotateFrame *plugin, int row1, int row2)
 395  : Thread(1, 0, 0)
 396 {
 397         this->plugin = plugin;
 398         do_matrix = do_rotation = 0;
 399         done = 0;
 400         this->row1 = row1;
 401         this->row2 = row2;
 402         input_lock = new Condition(0, "RotateEngine::input_lock");
 403         output_lock = new Condition(0, "RotateEngine::output_lock");
 404 }
 405 RotateEngine::~RotateEngine()
 406 {
 407         if(!done)
 408         {
 409                 done = 1;
 410                 input_lock->unlock();
 411         }
 412         join();
 413         delete input_lock;
 414         delete output_lock;
 415 }
 416
 417 int RotateEngine::generate_matrix(int interpolate)
 418 {
 419         this->do_matrix = 1;
 420         this->interpolate = interpolate;
 421         input_lock->unlock();
 422         return 0;
 423 }
 424
 425 int RotateEngine::perform_rotation(VFrame *input,
 426         VFrame *output,
 427         int interpolate)
 428 {
 429         this->input = input;
 430         this->output = output;
 431         this->do_rotation = 1;
 432         this->interpolate = interpolate;
 433         input_lock->unlock();
 434         return 0;
 435 }
 436
 437
 438 int RotateEngine::wait_completion()
 439 {
 440         output_lock->lock("RotateEngine::wait_completion");
 441         return 0;
 442 }
 443
 444 int RotateEngine::coords_to_pixel(int &input_y, int &input_x)
 445 {
 446         if(input_y < 0) return -1;
 447         else
 448         if(input_y >= plugin->input->get_h()) return -1;
 449         else
 450         if(input_x < 0) return -1;
 451         else
 452         if(input_x >= plugin->input->get_w()) return -1;
 453         else
 454         return input_y * plugin->input->get_w() + input_x;
 455 }
 456
 457 int RotateEngine::coords_to_pixel(SourceCoord &float_pixel, float &input_y, float &input_x)
 458 {
 459         if(input_y < 0) float_pixel.y = -1;
 460         else
 461         if(input_y >= plugin->input->get_h()) float_pixel.y = -1;
 462         else
 463         float_pixel.y = input_y;
 464
 465         if(input_x < 0) float_pixel.x = -1;
 466         else
 467         if(input_x >= plugin->input->get_w()) float_pixel.x = -1;
 468         else
 469         float_pixel.x = input_x;
 470         return 0;
 471 }
 472
 473
 474 int RotateEngine::create_matrix()
 475 {
 476 // Polar coords of pixel
 477         register double k, l, magnitude, angle, offset_angle, offset_angle2;
 478         register double x_offset, y_offset;
 479         register int i, j;
 480         int *int_row = 0;
 481         SourceCoord *float_row = 0;
 482         int input_x_i, input_y_i;
 483         float input_x_f, input_y_f;
 484
 485 //printf("RotateEngine::create_matrix 1\n");
 486 // The following is the result of pure trial and error.
 487 // Fix the angles
 488 // The source pixels are seen as if they were rotated counterclockwise so the sign is OK.
 489         offset_angle = -(plugin->angle - 90) / 360 * 2 * M_PI;
 490         offset_angle2 = -(plugin->angle - 270) / 360 * 2 * M_PI;
 491
 492 // Calculate an offset to add to all the pixels to compensate for the quadrant
 493         y_offset = plugin->input->get_h() / 2;
 494         x_offset = plugin->input->get_w() / 2;
 495
 496         for(i = row1, l = row1 - plugin->input->get_h() / 2; i < row2; i++, l++)
 497         {
 498                 int l_suare = (int)(l * l);
 499                 if(!interpolate)
 500                         int_row = plugin->int_rows[i];
 501                 else
 502                         float_row = plugin->float_rows[i];
 503
 504 //printf("RotateEngine::create_matrix 2 %d %f\n", i, l);
 505                 for(j = 0, k = -plugin->input->get_w() / 2;
 506                         j < plugin->input->get_w();
 507                         j++, k++)
 508                 {
 509 // Add offsets to input
 510 // Convert to polar coords
 511                         magnitude = sqrt(SQR(k) + l_suare);
 512 //printf("RotateEngine::create_matrix 3.2 %f %f\n", k, l);
 513                         if(l != 0)
 514                                 angle = atan(-k / l);
 515                         else
 516                         if(k < 0)
 517                                 angle = M_PI / 2;
 518                         else
 519                                 angle = M_PI * 1.5;
 520 //printf("RotateEngine::create_matrix 3.3\n");
 521 // Rotate
 522                         angle += (l < 0) ? offset_angle2 : offset_angle;
 523
 524 // Convert back to cartesian coords
 525                         if(!interpolate)
 526                         {
 527                                 input_y_i = (int)(y_offset + magnitude * sin(angle));
 528                                 input_x_i = (int)(x_offset + magnitude * cos(angle));
 529                                 int_row[j] = coords_to_pixel(input_y_i, input_x_i);
 530                         }
 531                         else
 532                         {
 533                                 input_y_f = y_offset + magnitude * sin(angle);
 534                                 input_x_f = x_offset + magnitude * cos(angle);
 535                                 coords_to_pixel(float_row[j], input_y_f, input_x_f);
 536                         }
 537                 }
 538 //printf("RotateEngine::create_matrix 3\n");
 539         }
 540 //printf("RotateEngine::create_matrix 2\n");
 541         return 0;
 542 }
 543
 544 #define ROTATE_NEAREST(type, components, black_chroma) \
 545 { \
 546         type **input_rows = (type**)input->get_rows(); \
 547         type **output_rows = (type**)output->get_rows(); \
 548  \
 549         for(int i = row1; i < row2; i++) \
 550         { \
 551                 int *int_row = plugin->int_rows[i]; \
 552                 for(int j = 0; j < width; j++) \
 553                 { \
 554                         if(int_row[j] < 0) \
 555                         {  \
 556                                 for(int k = 0; k < components; k++) \
 557                                         output_rows[i][j * components + k] = 0; \
 558                         } \
 559                         else \
 560                         { \
 561                                 for(int k = 0; k < components; k++) \
 562                                         output_rows[i][j * components + k] = *(input_rows[0] + int_row[j] * components + k); \
 563                         } \
 564                 } \
 565         } \
 566 }
 567
 568 #define ROTATE_INTERPOLATE(type, components, black_chroma) \
 569 { \
 570         type zero_pixel[] = { 0, black_chroma, black_chroma, 0 }; \
 571         int i, j; \
 572         float k, l; \
 573         type **input_rows = (type**)input->get_rows(); \
 574         type **output_rows = (type**)output->get_rows(); \
 575         float x_fraction1, x_fraction2, y_fraction1, y_fraction2; \
 576         float fraction1, fraction2, fraction3, fraction4; \
 577         int x_pixel1, x_pixel2, y_pixel1, y_pixel2; \
 578         type *pixel1, *pixel2, *pixel3, *pixel4; \
 579  \
 580         for(i = row1, k = row1; i < row2; i++, k++) \
 581         { \
 582                 SourceCoord *float_row = plugin->float_rows[i]; \
 583                 for(j = 0, l = 0; j < width; j++, l++) \
 584                 { \
 585                         if(float_row[j].x < 0 || float_row[j].y < 0) \
 586                         { \
 587                                 output_rows[i][j * components + 0] = 0; \
 588                                 output_rows[i][j * components + 1] = black_chroma; \
 589                                 output_rows[i][j * components + 2] = black_chroma; \
 590                                 if(components == 4) output_rows[i][j * components + 3] = 0; \
 591                         } \
 592                         else \
 593                         { \
 594 /* Interpolate input pixels */ \
 595                                 x_pixel1 = (int)float_row[j].x; \
 596                                 x_pixel2 = (int)(float_row[j].x + 1); \
 597                                 y_pixel1 = (int)(float_row[j].y); \
 598                                 y_pixel2 = (int)(float_row[j].y + 1); \
 599                                 x_fraction1 = float_row[j].x - x_pixel1; \
 600                                 x_fraction2 = (float)x_pixel2 - float_row[j].x; \
 601                                 y_fraction1 = float_row[j].y - y_pixel1; \
 602                                 y_fraction2 = (float)y_pixel2 - float_row[j].y; \
 603 /* By trial and error this fraction order seems to work. */ \
 604                                 fraction4 = x_fraction1 * y_fraction1; \
 605                                 fraction3 = x_fraction2 * y_fraction1; \
 606                                 fraction2 = x_fraction1 * y_fraction2; \
 607                                 fraction1 = x_fraction2 * y_fraction2; \
 608                                 pixel1 =                                                          &input_rows[y_pixel1][x_pixel1 * components]; \
 609                                 pixel2 = (x_pixel2 >= width)                       ? zero_pixel : &input_rows[y_pixel1][x_pixel2 * components]; \
 610                                 pixel3 = (y_pixel2 >= height)                      ? zero_pixel : &input_rows[y_pixel2][x_pixel1 * components]; \
 611                                 pixel4 = (x_pixel2 >= width || y_pixel2 >= height) ? zero_pixel : &input_rows[y_pixel2][x_pixel2 * components]; \
 612  \
 613                                 for(int m = 0; m < components; m++) \
 614                                 { \
 615                                         output_rows[i][j * components + m] =  \
 616                                                 (type)((pixel1[m] * fraction1) +  \
 617                                                         (pixel2[m] * fraction2) +  \
 618                                                         (pixel3[m] * fraction3) +  \
 619                                                         (pixel4[m] * fraction4)); \
 620                                 } \
 621                         } \
 622                 } \
 623         } \
 624 }
 625
 626 int RotateEngine::perform_rotation()
 627 {
 628         int width = input->get_w();
 629         int height = input->get_h();
 630
 631         if(!interpolate)
 632         {
 633                 switch(input->get_color_model())
 634                 {
 635                         case BC_RGB888:
 636                                 ROTATE_NEAREST(unsigned char, 3, 0x0);
 637                                 break;
 638                         case BC_RGB_FLOAT:
 639                                 ROTATE_NEAREST(float, 3, 0x0);
 640                                 break;
 641                         case BC_YUV888:
 642                                 ROTATE_NEAREST(unsigned char, 3, 0x80);
 643                                 break;
 644                         case BC_RGBA8888:
 645                                 ROTATE_NEAREST(unsigned char, 4, 0x0);
 646                                 break;
 647                         case BC_RGBA_FLOAT:
 648                                 ROTATE_NEAREST(float, 4, 0x0);
 649                                 break;
 650                         case BC_YUVA8888:
 651                                 ROTATE_NEAREST(unsigned char, 4, 0x80);
 652                                 break;
 653
 654                         case BC_RGB161616:
 655                                 ROTATE_NEAREST(uint16_t, 3, 0x0);
 656                                 break;
 657                         case BC_YUV161616:
 658                                 ROTATE_NEAREST(uint16_t, 3, 0x8000);
 659                                 break;
 660
 661                         case BC_RGBA16161616:
 662                                 ROTATE_NEAREST(uint16_t, 4, 0x0);
 663                                 break;
 664                         case BC_YUVA16161616:
 665                                 ROTATE_NEAREST(uint16_t, 4, 0x8000);
 666                                 break;
 667                 }
 668         }
 669         else
 670         {
 671                 switch(input->get_color_model())
 672                 {
 673                         case BC_RGB888:
 674                                 ROTATE_INTERPOLATE(unsigned char, 3, 0x0);
 675                                 break;
 676                         case BC_RGB_FLOAT:
 677                                 ROTATE_INTERPOLATE(float, 3, 0x0);
 678                                 break;
 679                         case BC_YUV888:
 680                                 ROTATE_INTERPOLATE(unsigned char, 3, 0x80);
 681                                 break;
 682                         case BC_RGBA8888:
 683                                 ROTATE_INTERPOLATE(unsigned char, 4, 0x0);
 684                                 break;
 685                         case BC_RGBA_FLOAT:
 686                                 ROTATE_INTERPOLATE(float, 4, 0x0);
 687                                 break;
 688                         case BC_YUVA8888:
 689                                 ROTATE_INTERPOLATE(unsigned char, 4, 0x80);
 690                                 break;
 691
 692                         case BC_RGB161616:
 693                                 ROTATE_INTERPOLATE(uint16_t, 3, 0x0);
 694                                 break;
 695                         case BC_YUV161616:
 696                                 ROTATE_INTERPOLATE(uint16_t, 3, 0x8000);
 697                                 break;
 698
 699                         case BC_RGBA16161616:
 700                                 ROTATE_INTERPOLATE(uint16_t, 4, 0x0);
 701                                 break;
 702                         case BC_YUVA16161616:
 703                                 ROTATE_INTERPOLATE(uint16_t, 4, 0x8000);
 704                                 break;
 705                 }
 706         }
 707         return 0;
 708 }
 709
 710 void RotateEngine::run()
 711 {
 712         while(!done)
 713         {
 714                 input_lock->lock("RotateEngine::run");
 715                 if(done) return;
 716
 717                 if(do_matrix)
 718                 {
 719                         create_matrix();
 720                 }
 721                 else
 722                 if(do_rotation)
 723                 {
 724                         perform_rotation();
 725                 }
 726
 727                 do_matrix = 0;
 728                 do_rotation = 0;
 729                 output_lock->unlock();
 730         }
 731 }