Jiho Chang | 9b81eb7 | 2012-03-24 06:01:16 +0900 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2012 Samsung Electronics S.LSI Co. LTD |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | /* |
| 19 | * @file swconvertor.c |
| 20 | * |
| 21 | * @brief SEC_OMX specific define. It support MFC 6.x tiled. |
| 22 | * |
| 23 | * @author ShinWon Lee (shinwon.lee@samsung.com) |
| 24 | * |
| 25 | * @version 1.0 |
| 26 | * |
| 27 | * @history |
| 28 | * 2012.02.01 : Create |
| 29 | */ |
| 30 | |
| 31 | #include "stdio.h" |
| 32 | #include "stdlib.h" |
| 33 | #include "swconverter.h" |
| 34 | |
| 35 | /* 2D Configurable tiled memory access (TM) |
| 36 | * Return the linear address from tiled position (x, y) */ |
| 37 | unsigned int Tile2D_To_Linear( |
| 38 | unsigned int width, |
| 39 | unsigned int height, |
| 40 | unsigned int xpos, |
| 41 | unsigned int ypos, |
| 42 | int crFlag) |
| 43 | { |
| 44 | int tileNumX; |
| 45 | int tileX, tileY; |
| 46 | int tileAddr; |
| 47 | int offset; |
| 48 | int addr; |
| 49 | |
| 50 | width = ((width + 15) / 16) * 16; |
| 51 | tileNumX = width / 16; |
| 52 | |
| 53 | /* crFlag - 0: Y plane, 1: CbCr plane */ |
| 54 | if (crFlag == 0) { |
| 55 | tileX = xpos / 16; |
| 56 | tileY = ypos / 16; |
| 57 | tileAddr = tileY * tileNumX + tileX; |
| 58 | offset = (ypos & 15) * 16 + (xpos & 15); |
| 59 | addr = (tileAddr << 8) | offset; |
| 60 | } else { |
| 61 | tileX = xpos / 16; |
| 62 | tileY = ypos / 8; |
| 63 | tileAddr = tileY * tileNumX + tileX; |
| 64 | offset = (ypos & 7) * 16 + (xpos & 15); |
| 65 | addr = (tileAddr << 7) | offset; |
| 66 | } |
| 67 | |
| 68 | return addr; |
| 69 | } |
| 70 | |
| 71 | /* |
| 72 | * De-interleaves src to dest1, dest2 |
| 73 | * |
| 74 | * @param dest1 |
| 75 | * Address of de-interleaved data[out] |
| 76 | * |
| 77 | * @param dest2 |
| 78 | * Address of de-interleaved data[out] |
| 79 | * |
| 80 | * @param src |
| 81 | * Address of interleaved data[in] |
| 82 | * |
| 83 | * @param src_size |
| 84 | * Size of interleaved data[in] |
| 85 | */ |
| 86 | void csc_deinterleave_memcpy( |
| 87 | unsigned char *dest1, |
| 88 | unsigned char *dest2, |
| 89 | unsigned char *src, |
| 90 | unsigned int src_size) |
| 91 | { |
| 92 | unsigned int i = 0; |
| 93 | for(i=0; i<src_size/2; i++) { |
| 94 | dest1[i] = src[i*2]; |
| 95 | dest2[i] = src[i*2+1]; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | /* |
| 100 | * Interleaves src1, src2 to dest |
| 101 | * |
| 102 | * @param dest |
| 103 | * Address of interleaved data[out] |
| 104 | * |
| 105 | * @param src1 |
| 106 | * Address of de-interleaved data[in] |
| 107 | * |
| 108 | * @param src2 |
| 109 | * Address of de-interleaved data[in] |
| 110 | * |
| 111 | * @param src_size |
| 112 | * Size of de-interleaved data[in] |
| 113 | */ |
| 114 | void csc_interleave_memcpy( |
| 115 | unsigned char *dest, |
| 116 | unsigned char *src1, |
| 117 | unsigned char *src2, |
| 118 | unsigned int src_size) |
| 119 | { |
| 120 | unsigned int i = 0; |
| 121 | for(i=0; i<src_size; i++) { |
| 122 | dest[i*2] = src1[i]; |
| 123 | dest[i*2+1] = src2[i]; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | /* |
| 128 | * Converts tiled data to linear for mfc 6.x tiled |
| 129 | * 1. y of nv12t to y of yuv420p |
| 130 | * 2. y of nv12t to y of yuv420s |
| 131 | * |
| 132 | * @param dst |
| 133 | * y address of yuv420[out] |
| 134 | * |
| 135 | * @param src |
| 136 | * y address of nv12t[in] |
| 137 | * |
| 138 | * @param yuv420_width |
| 139 | * real width of yuv420[in] |
| 140 | * it should be even |
| 141 | * |
| 142 | * @param yuv420_height |
| 143 | * real height of yuv420[in] |
| 144 | * it should be even. |
| 145 | * |
| 146 | */ |
| 147 | void csc_tiled_to_linear_y( |
| 148 | unsigned char *y_dst, |
| 149 | unsigned char *y_src, |
| 150 | unsigned int width, |
| 151 | unsigned int height) |
| 152 | { |
| 153 | unsigned int i, j, k; |
| 154 | unsigned int aligned_width, aligned_height; |
| 155 | unsigned int tiled_width; |
| 156 | unsigned int src_offset, dst_offset; |
| 157 | |
| 158 | aligned_height = height & (~0xF); |
| 159 | aligned_width = width & (~0xF); |
| 160 | tiled_width = ((width + 15) >> 4) << 4; |
| 161 | |
| 162 | for (i = 0; i < aligned_height; i = i + 16) { |
| 163 | for (j = 0; j<aligned_width; j = j + 16) { |
| 164 | src_offset = (tiled_width * i) + (j << 4); |
| 165 | dst_offset = width * i + j; |
| 166 | for (k = 0; k < 8; k++) { |
| 167 | memcpy(y_dst + dst_offset, y_src + src_offset, 16); |
| 168 | src_offset += 16; |
| 169 | dst_offset += width; |
| 170 | memcpy(y_dst + dst_offset, y_src + src_offset, 16); |
| 171 | src_offset += 16; |
| 172 | dst_offset += width; |
| 173 | } |
| 174 | } |
| 175 | if (aligned_width != width) { |
| 176 | src_offset = (tiled_width * i) + (j << 4); |
| 177 | dst_offset = width * i + j; |
| 178 | for (k = 0; k < 8; k++) { |
| 179 | memcpy(y_dst + dst_offset, y_src + src_offset, width - j); |
| 180 | src_offset += 16; |
| 181 | dst_offset += width; |
| 182 | memcpy(y_dst + dst_offset, y_src + src_offset, width - j); |
| 183 | src_offset += 16; |
| 184 | dst_offset += width; |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | if (aligned_height != height) { |
| 190 | for (j = 0; j<aligned_width; j = j + 16) { |
| 191 | src_offset = (tiled_width * i) + (j << 4); |
| 192 | dst_offset = width * i + j; |
| 193 | for (k = 0; k < height - aligned_height; k = k + 2) { |
| 194 | memcpy(y_dst + dst_offset, y_src + src_offset, 16); |
| 195 | src_offset += 16; |
| 196 | dst_offset += width; |
| 197 | memcpy(y_dst + dst_offset, y_src + src_offset, 16); |
| 198 | src_offset += 16; |
| 199 | dst_offset += width; |
| 200 | } |
| 201 | } |
| 202 | if (aligned_width != width) { |
| 203 | src_offset = (tiled_width * i) + (j << 4); |
| 204 | dst_offset = width * i + j; |
| 205 | for (k = 0; k < height - aligned_height; k = k + 2) { |
| 206 | memcpy(y_dst + dst_offset, y_src + src_offset, width - j); |
| 207 | src_offset += 16; |
| 208 | dst_offset += width; |
| 209 | memcpy(y_dst + dst_offset, y_src + src_offset, width - j); |
| 210 | src_offset += 16; |
| 211 | dst_offset += width; |
| 212 | } |
| 213 | } |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | /* |
| 218 | * Converts tiled data to linear for mfc 6.x tiled |
| 219 | * 1. uv of nv12t to uv of yuv420s |
| 220 | * |
| 221 | * @param dst |
| 222 | * uv address of yuv420s[out] |
| 223 | * |
| 224 | * @param src |
| 225 | * uv address of nv12t[in] |
| 226 | * |
| 227 | * @param yuv420_width |
| 228 | * real width of yuv420s[in] |
| 229 | * |
| 230 | * @param yuv420_height |
| 231 | * real height of yuv420s[in] |
| 232 | * |
| 233 | */ |
| 234 | void csc_tiled_to_linear_uv( |
| 235 | unsigned char *uv_dst, |
| 236 | unsigned char *uv_src, |
| 237 | unsigned int width, |
| 238 | unsigned int height) |
| 239 | { |
| 240 | unsigned int i, j, k; |
| 241 | unsigned int aligned_width, aligned_height; |
| 242 | unsigned int tiled_width; |
| 243 | unsigned int src_offset, dst_offset; |
| 244 | |
| 245 | aligned_height = height & (~0x7); |
| 246 | aligned_width = width & (~0xF); |
| 247 | tiled_width = ((width + 15) >> 4) << 4; |
| 248 | |
| 249 | for (i = 0; i < aligned_height; i = i + 8) { |
| 250 | for (j = 0; j<aligned_width; j = j + 16) { |
| 251 | src_offset = (tiled_width * i) + (j << 3); |
| 252 | dst_offset = width * i + j; |
| 253 | for (k = 0; k < 4; k++) { |
| 254 | memcpy(uv_dst + dst_offset, uv_src + src_offset, 16); |
| 255 | src_offset += 16; |
| 256 | dst_offset += width; |
| 257 | memcpy(uv_dst + dst_offset, uv_src + src_offset, 16); |
| 258 | src_offset += 16; |
| 259 | dst_offset += width; |
| 260 | } |
| 261 | } |
| 262 | if (aligned_width != width) { |
| 263 | src_offset = (tiled_width * i) + (j << 3); |
| 264 | dst_offset = width * i + j; |
| 265 | for (k = 0; k < 4; k++) { |
| 266 | memcpy(uv_dst + dst_offset, uv_src + src_offset, width - j); |
| 267 | src_offset += 16; |
| 268 | dst_offset += width; |
| 269 | memcpy(uv_dst + dst_offset, uv_src + src_offset, width - j); |
| 270 | src_offset += 16; |
| 271 | dst_offset += width; |
| 272 | } |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | if (aligned_height != height) { |
| 277 | for (j = 0; j<aligned_width; j = j + 16) { |
| 278 | src_offset = (tiled_width * i) + (j << 3); |
| 279 | dst_offset = width * i + j; |
| 280 | for (k = 0; k < height - aligned_height; k = k + 1) { |
| 281 | memcpy(uv_dst + dst_offset, uv_src + src_offset, 16); |
| 282 | src_offset += 16; |
| 283 | dst_offset += width; |
| 284 | } |
| 285 | } |
| 286 | if (aligned_width != width) { |
| 287 | src_offset = (tiled_width * i) + (j << 3); |
| 288 | dst_offset = width * i + j; |
| 289 | for (k = 0; k < height - aligned_height; k = k + 1) { |
| 290 | memcpy(uv_dst + dst_offset, uv_src + src_offset, width - j); |
| 291 | src_offset += 16; |
| 292 | dst_offset += width; |
| 293 | } |
| 294 | } |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | /* |
| 299 | * Converts tiled data to linear for mfc 6.x tiled |
| 300 | * 1. uv of nt12t to uv of yuv420p |
| 301 | * |
| 302 | * @param u_dst |
| 303 | * u address of yuv420p[out] |
| 304 | * |
| 305 | * @param v_dst |
| 306 | * v address of yuv420p[out] |
| 307 | * |
| 308 | * @param uv_src |
| 309 | * uv address of nt12t[in] |
| 310 | * |
| 311 | * @param yuv420_width |
| 312 | * real width of yuv420p[in] |
| 313 | * |
| 314 | * @param yuv420_height |
| 315 | * real height of yuv420p[in] |
| 316 | */ |
| 317 | void csc_tiled_to_linear_uv_deinterleave( |
| 318 | unsigned char *u_dst, |
| 319 | unsigned char *v_dst, |
| 320 | unsigned char *uv_src, |
| 321 | unsigned int width, |
| 322 | unsigned int height) |
| 323 | { |
| 324 | unsigned int i, j, k; |
| 325 | unsigned int aligned_width, aligned_height; |
| 326 | unsigned int tiled_width; |
| 327 | unsigned int src_offset, dst_offset; |
| 328 | |
| 329 | aligned_height = height & (~0x7); |
| 330 | aligned_width = width & (~0xF); |
| 331 | tiled_width = ((width + 15) >> 4) << 4; |
| 332 | |
| 333 | for (i = 0; i < aligned_height; i = i + 8) { |
| 334 | for (j = 0; j<aligned_width; j = j + 16) { |
| 335 | src_offset = (tiled_width * i) + (j << 3); |
| 336 | dst_offset = (width >> 1) * i + (j >> 1); |
| 337 | for (k = 0; k < 4; k++) { |
| 338 | csc_deinterleave_memcpy(u_dst + dst_offset, v_dst + dst_offset, |
| 339 | uv_src + src_offset, 16); |
| 340 | src_offset += 16; |
| 341 | dst_offset += width >> 1; |
| 342 | csc_deinterleave_memcpy(u_dst + dst_offset, v_dst + dst_offset, |
| 343 | uv_src + src_offset, 16); |
| 344 | src_offset += 16; |
| 345 | dst_offset += width >> 1; |
| 346 | } |
| 347 | } |
| 348 | if (aligned_width != width) { |
| 349 | src_offset = (tiled_width * i) + (j << 3); |
| 350 | dst_offset = (width >> 1) * i + (j >> 1); |
| 351 | for (k = 0; k < 4; k++) { |
| 352 | csc_deinterleave_memcpy(u_dst + dst_offset, v_dst + dst_offset, |
| 353 | uv_src + src_offset, width - j); |
| 354 | src_offset += 16; |
| 355 | dst_offset += width >> 1; |
| 356 | csc_deinterleave_memcpy(u_dst + dst_offset, v_dst + dst_offset, |
| 357 | uv_src + src_offset, width - j); |
| 358 | src_offset += 16; |
| 359 | dst_offset += width >> 1; |
| 360 | } |
| 361 | } |
| 362 | } |
| 363 | if (aligned_height != height) { |
| 364 | for (j = 0; j<aligned_width; j = j + 16) { |
| 365 | src_offset = (tiled_width * i) + (j << 3); |
| 366 | dst_offset = (width >> 1) * i + (j >> 1); |
| 367 | for (k = 0; k < height - aligned_height; k = k + 1) { |
| 368 | csc_deinterleave_memcpy(u_dst + dst_offset, v_dst + dst_offset, |
| 369 | uv_src + src_offset, 16); |
| 370 | src_offset += 16; |
| 371 | dst_offset += width >> 1; |
| 372 | } |
| 373 | } |
| 374 | if (aligned_width != width) { |
| 375 | src_offset = (tiled_width * i) + (j << 3); |
| 376 | dst_offset = (width >> 1) * i + (j >> 1); |
| 377 | for (k = 0; k < height - aligned_height; k = k + 1) { |
| 378 | csc_deinterleave_memcpy(u_dst + dst_offset, v_dst + dst_offset, |
| 379 | uv_src + src_offset, width - j); |
| 380 | src_offset += 16; |
| 381 | dst_offset += width >> 1; |
| 382 | } |
| 383 | } |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | /* |
| 388 | * Converts linear data to tiled |
| 389 | * It supports mfc 6.x tiled |
| 390 | * 1. y of yuv420 to y of nv12t |
| 391 | * |
| 392 | * @param dst |
| 393 | * y address of nv12t[out] |
| 394 | * |
| 395 | * @param src |
| 396 | * y address of yuv420[in] |
| 397 | * |
| 398 | * @param yuv420_width |
| 399 | * real width of yuv420[in] |
| 400 | * it should be even |
| 401 | * |
| 402 | * @param yuv420_height |
| 403 | * real height of yuv420[in] |
| 404 | * it should be even. |
| 405 | * |
| 406 | */ |
| 407 | void csc_linear_to_tiled_y( |
| 408 | unsigned char *y_dst, |
| 409 | unsigned char *y_src, |
| 410 | unsigned int width, |
| 411 | unsigned int height) |
| 412 | { |
| 413 | |
| 414 | } |
| 415 | |
| 416 | /* |
| 417 | * Converts and interleaves linear data to tiled |
| 418 | * It supports mfc 6.x tiled |
| 419 | * 1. uv of nv12t to uv of yuv420 |
| 420 | * |
| 421 | * @param dst |
| 422 | * uv address of nv12t[out] |
| 423 | * |
| 424 | * @param src |
| 425 | * u address of yuv420[in] |
| 426 | * |
| 427 | * @param src |
| 428 | * v address of yuv420[in] |
| 429 | * |
| 430 | * @param yuv420_width |
| 431 | * real width of yuv420[in] |
| 432 | * |
| 433 | * @param yuv420_height |
| 434 | * real height of yuv420[in] |
| 435 | * |
| 436 | */ |
| 437 | void csc_linear_to_tiled_uv( |
| 438 | unsigned char *uv_dst, |
| 439 | unsigned char *u_src, |
| 440 | unsigned char *v_src, |
| 441 | unsigned int width, |
| 442 | unsigned int height) |
| 443 | { |
| 444 | |
| 445 | } |
| 446 | |
| 447 | void Tile2D_To_YUV420(unsigned char *Y_plane, unsigned char *Cb_plane, unsigned char *Cr_plane, |
| 448 | unsigned int y_addr, unsigned int c_addr, unsigned int width, unsigned int height) |
| 449 | { |
| 450 | int x, y, j, k, l; |
| 451 | int out_of_width, actual_width; |
| 452 | unsigned int base_addr, data; |
| 453 | |
| 454 | // y: 0, 16, 32, ... |
| 455 | for (y = 0; y < height; y += 16) { |
| 456 | // x: 0, 16, 32, ... |
| 457 | for (x = 0; x < width; x += 16) { |
| 458 | out_of_width = (x + 16) > width ? 1 : 0; |
| 459 | base_addr = y_addr + Tile2D_To_Linear(width, height, x, y, 0); |
| 460 | |
| 461 | for (k = 0; (k < 16) && ((y + k) < height); k++) { |
| 462 | actual_width = out_of_width ? ((width%4)?((width%16) / 4 + 1) : ((width%16) / 4)) : 4; |
| 463 | for (l = 0; l < actual_width; l++) { |
| 464 | data = *((unsigned int*)(base_addr + 16*k + l*4)); |
| 465 | for (j = 0; (j < 4) && (x + l*4 + j) < width; j++) { |
| 466 | Y_plane[(y+k)*width + x + l*4 +j] = (data>>(8*j))&0xff; |
| 467 | } |
| 468 | } |
| 469 | } |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | for (y = 0; y < height/2; y += 8) { |
| 474 | for (x = 0; x < width; x += 16) { |
| 475 | out_of_width = (x + 16) > width ? 1 : 0; |
| 476 | base_addr = c_addr + Tile2D_To_Linear(width, height/2, x, y, 1); |
| 477 | for (k = 0; (k < 8) && ((y+k) < height/2); k++) { |
| 478 | actual_width = out_of_width ? ((width%4) ? ((width%16) / 4 + 1) : ((width%16) / 4)) : 4; |
| 479 | for (l = 0; l < actual_width; l++) { |
| 480 | data = *((unsigned int*)(base_addr + 16*k + l*4)); |
| 481 | for (j = 0; (j < 2) && (x/2 + l*2 +j) < width/2; j++) { |
| 482 | Cb_plane[(y+k)*width/2 + x/2 + l*2 +j] = (data>> (8*2*j))&0xff; |
| 483 | Cr_plane[(y+k)*width/2 + x/2 + l*2 +j] = (data>>(8*2*j+8))&0xff; |
| 484 | } |
| 485 | } |
| 486 | } |
| 487 | } |
| 488 | } |
| 489 | } |
| 490 | |
| 491 | /* |
| 492 | * Converts RGB565 to YUV420P |
| 493 | * |
| 494 | * @param y_dst |
| 495 | * Y plane address of YUV420P[out] |
| 496 | * |
| 497 | * @param u_dst |
| 498 | * U plane address of YUV420P[out] |
| 499 | * |
| 500 | * @param v_dst |
| 501 | * V plane address of YUV420P[out] |
| 502 | * |
| 503 | * @param rgb_src |
| 504 | * Address of RGB565[in] |
| 505 | * |
| 506 | * @param width |
| 507 | * Width of RGB565[in] |
| 508 | * |
| 509 | * @param height |
| 510 | * Height of RGB565[in] |
| 511 | */ |
| 512 | void csc_RGB565_to_YUV420P( |
| 513 | unsigned char *y_dst, |
| 514 | unsigned char *u_dst, |
| 515 | unsigned char *v_dst, |
| 516 | unsigned char *rgb_src, |
| 517 | int width, |
| 518 | int height) |
| 519 | { |
| 520 | unsigned int i, j; |
| 521 | unsigned int tmp; |
| 522 | |
| 523 | unsigned int R, G, B; |
| 524 | unsigned int Y, U, V; |
| 525 | |
| 526 | unsigned int offset1 = width * height; |
| 527 | unsigned int offset2 = width/2 * height/2; |
| 528 | |
| 529 | unsigned short int *pSrc = (unsigned short int *)rgb_src; |
| 530 | |
| 531 | unsigned char *pDstY = (unsigned char *)y_dst; |
| 532 | unsigned char *pDstU = (unsigned char *)u_dst; |
| 533 | unsigned char *pDstV = (unsigned char *)v_dst; |
| 534 | |
| 535 | unsigned int yIndex = 0; |
| 536 | unsigned int uIndex = 0; |
| 537 | unsigned int vIndex = 0; |
| 538 | |
| 539 | for (j = 0; j < height; j++) { |
| 540 | for (i = 0; i < width; i++) { |
| 541 | tmp = pSrc[j * width + i]; |
| 542 | |
| 543 | R = (tmp & 0x0000F800) >> 8; |
| 544 | G = (tmp & 0x000007E0) >> 3; |
| 545 | B = (tmp & 0x0000001F); |
| 546 | B = B << 3; |
| 547 | |
| 548 | Y = ((66 * R) + (129 * G) + (25 * B) + 128); |
| 549 | Y = Y >> 8; |
| 550 | Y += 16; |
| 551 | |
| 552 | pDstY[yIndex++] = (unsigned char)Y; |
| 553 | |
| 554 | if ((j % 2) == 0 && (i % 2) == 0) { |
| 555 | U = ((-38 * R) - (74 * G) + (112 * B) + 128); |
| 556 | U = U >> 8; |
| 557 | U += 128; |
| 558 | V = ((112 * R) - (94 * G) - (18 * B) + 128); |
| 559 | V = V >> 8; |
| 560 | V += 128; |
| 561 | |
| 562 | pDstU[uIndex++] = (unsigned char)U; |
| 563 | pDstV[vIndex++] = (unsigned char)V; |
| 564 | } |
| 565 | } |
| 566 | } |
| 567 | } |
| 568 | |
| 569 | /* |
| 570 | * Converts RGB565 to YUV420SP |
| 571 | * |
| 572 | * @param y_dst |
| 573 | * Y plane address of YUV420SP[out] |
| 574 | * |
| 575 | * @param uv_dst |
| 576 | * UV plane address of YUV420SP[out] |
| 577 | * |
| 578 | * @param rgb_src |
| 579 | * Address of RGB565[in] |
| 580 | * |
| 581 | * @param width |
| 582 | * Width of RGB565[in] |
| 583 | * |
| 584 | * @param height |
| 585 | * Height of RGB565[in] |
| 586 | */ |
| 587 | void csc_RGB565_to_YUV420SP( |
| 588 | unsigned char *y_dst, |
| 589 | unsigned char *uv_dst, |
| 590 | unsigned char *rgb_src, |
| 591 | int width, |
| 592 | int height) |
| 593 | { |
| 594 | unsigned int i, j; |
| 595 | unsigned int tmp; |
| 596 | |
| 597 | unsigned int R, G, B; |
| 598 | unsigned int Y, U, V; |
| 599 | |
| 600 | unsigned int offset = width * height; |
| 601 | |
| 602 | unsigned short int *pSrc = (unsigned short int *)rgb_src; |
| 603 | |
| 604 | unsigned char *pDstY = (unsigned char *)y_dst; |
| 605 | unsigned char *pDstUV = (unsigned char *)uv_dst; |
| 606 | |
| 607 | unsigned int yIndex = 0; |
| 608 | unsigned int uvIndex = 0; |
| 609 | |
| 610 | for (j = 0; j < height; j++) { |
| 611 | for (i = 0; i < width; i++) { |
| 612 | tmp = pSrc[j * width + i]; |
| 613 | |
| 614 | R = (tmp & 0x0000F800) >> 11; |
| 615 | R = R * 8; |
| 616 | G = (tmp & 0x000007E0) >> 5; |
| 617 | G = G * 4; |
| 618 | B = (tmp & 0x0000001F); |
| 619 | B = B * 8; |
| 620 | |
| 621 | Y = ((66 * R) + (129 * G) + (25 * B) + 128); |
| 622 | Y = Y >> 8; |
| 623 | Y += 16; |
| 624 | |
| 625 | pDstY[yIndex++] = (unsigned char)Y; |
| 626 | |
| 627 | if ((j % 2) == 0 && (i % 2) == 0) { |
| 628 | U = ((-38 * R) - (74 * G) + (112 * B) + 128); |
| 629 | U = U >> 8; |
| 630 | U += 128; |
| 631 | V = ((112 * R) - (94 * G) - (18 * B) + 128); |
| 632 | V = V >> 8; |
| 633 | V += 128; |
| 634 | |
| 635 | pDstUV[uvIndex++] = (unsigned char)U; |
| 636 | pDstUV[uvIndex++] = (unsigned char)V; |
| 637 | } |
| 638 | } |
| 639 | } |
| 640 | } |
| 641 | |
| 642 | /* |
| 643 | * Converts RGB8888 to YUV420P |
| 644 | * |
| 645 | * @param y_dst |
| 646 | * Y plane address of YUV420P[out] |
| 647 | * |
| 648 | * @param u_dst |
| 649 | * U plane address of YUV420P[out] |
| 650 | * |
| 651 | * @param v_dst |
| 652 | * V plane address of YUV420P[out] |
| 653 | * |
| 654 | * @param rgb_src |
| 655 | * Address of ARGB8888[in] |
| 656 | * |
| 657 | * @param width |
| 658 | * Width of ARGB8888[in] |
| 659 | * |
| 660 | * @param height |
| 661 | * Height of ARGB8888[in] |
| 662 | */ |
| 663 | void csc_ARGB8888_to_YUV420P( |
| 664 | unsigned char *y_dst, |
| 665 | unsigned char *u_dst, |
| 666 | unsigned char *v_dst, |
| 667 | unsigned char *rgb_src, |
| 668 | unsigned int width, |
| 669 | unsigned int height) |
| 670 | { |
| 671 | unsigned int i, j; |
| 672 | unsigned int tmp; |
| 673 | |
| 674 | unsigned int R, G, B; |
| 675 | unsigned int Y, U, V; |
| 676 | |
| 677 | unsigned int offset1 = width * height; |
| 678 | unsigned int offset2 = width/2 * height/2; |
| 679 | |
| 680 | unsigned int *pSrc = (unsigned int *)rgb_src; |
| 681 | |
| 682 | unsigned char *pDstY = (unsigned char *)y_dst; |
| 683 | unsigned char *pDstU = (unsigned char *)u_dst; |
| 684 | unsigned char *pDstV = (unsigned char *)v_dst; |
| 685 | |
| 686 | unsigned int yIndex = 0; |
| 687 | unsigned int uIndex = 0; |
| 688 | unsigned int vIndex = 0; |
| 689 | |
| 690 | for (j = 0; j < height; j++) { |
| 691 | for (i = 0; i < width; i++) { |
| 692 | tmp = pSrc[j * width + i]; |
| 693 | |
| 694 | R = (tmp & 0x00FF0000) >> 16; |
| 695 | G = (tmp & 0x0000FF00) >> 8; |
| 696 | B = (tmp & 0x000000FF); |
| 697 | |
| 698 | Y = ((66 * R) + (129 * G) + (25 * B) + 128); |
| 699 | Y = Y >> 8; |
| 700 | Y += 16; |
| 701 | |
| 702 | pDstY[yIndex++] = (unsigned char)Y; |
| 703 | |
| 704 | if ((j % 2) == 0 && (i % 2) == 0) { |
| 705 | U = ((-38 * R) - (74 * G) + (112 * B) + 128); |
| 706 | U = U >> 8; |
| 707 | U += 128; |
| 708 | V = ((112 * R) - (94 * G) - (18 * B) + 128); |
| 709 | V = V >> 8; |
| 710 | V += 128; |
| 711 | |
| 712 | pDstU[uIndex++] = (unsigned char)U; |
| 713 | pDstV[vIndex++] = (unsigned char)V; |
| 714 | } |
| 715 | } |
| 716 | } |
| 717 | } |
| 718 | |
| 719 | |
| 720 | /* |
| 721 | * Converts ARGB8888 to YUV420S |
| 722 | * |
| 723 | * @param y_dst |
| 724 | * Y plane address of YUV420S[out] |
| 725 | * |
| 726 | * @param uv_dst |
| 727 | * UV plane address of YUV420S[out] |
| 728 | * |
| 729 | * @param rgb_src |
| 730 | * Address of ARGB8888[in] |
| 731 | * |
| 732 | * @param width |
| 733 | * Width of ARGB8888[in] |
| 734 | * |
| 735 | * @param height |
| 736 | * Height of ARGB8888[in] |
| 737 | */ |
| 738 | void csc_ARGB8888_to_YUV420SP( |
| 739 | unsigned char *y_dst, |
| 740 | unsigned char *uv_dst, |
| 741 | unsigned char *rgb_src, |
| 742 | unsigned int width, |
| 743 | unsigned int height) |
| 744 | { |
| 745 | unsigned int i, j; |
| 746 | unsigned int tmp; |
| 747 | |
| 748 | unsigned int R, G, B; |
| 749 | unsigned int Y, U, V; |
| 750 | |
| 751 | unsigned int offset = width * height; |
| 752 | |
| 753 | unsigned int *pSrc = (unsigned int *)rgb_src; |
| 754 | |
| 755 | unsigned char *pDstY = (unsigned char *)y_dst; |
| 756 | unsigned char *pDstUV = (unsigned char *)uv_dst; |
| 757 | |
| 758 | unsigned int yIndex = 0; |
| 759 | unsigned int uvIndex = 0; |
| 760 | |
| 761 | for (j = 0; j < height; j++) { |
| 762 | for (i = 0; i < width; i++) { |
| 763 | tmp = pSrc[j * width + i]; |
| 764 | |
| 765 | R = (tmp & 0x00FF0000) >> 16; |
| 766 | G = (tmp & 0x0000FF00) >> 8; |
| 767 | B = (tmp & 0x000000FF); |
| 768 | |
| 769 | Y = ((66 * R) + (129 * G) + (25 * B) + 128); |
| 770 | Y = Y >> 8; |
| 771 | Y += 16; |
| 772 | |
| 773 | pDstY[yIndex++] = (unsigned char)Y; |
| 774 | |
| 775 | if ((j % 2) == 0 && (i % 2) == 0) { |
| 776 | U = ((-38 * R) - (74 * G) + (112 * B) + 128); |
| 777 | U = U >> 8; |
| 778 | U += 128; |
| 779 | V = ((112 * R) - (94 * G) - (18 * B) + 128); |
| 780 | V = V >> 8; |
| 781 | V += 128; |
| 782 | |
| 783 | pDstUV[uvIndex++] = (unsigned char)U; |
| 784 | pDstUV[uvIndex++] = (unsigned char)V; |
| 785 | } |
| 786 | } |
| 787 | } |
| 788 | } |