Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2015 The Android Open Source Project |
| 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 | * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| 19 | */ |
| 20 | /*****************************************************************************/ |
| 21 | /* */ |
| 22 | /* File Name : ih264d_format_conv.c */ |
| 23 | /* */ |
| 24 | /* Description : Contains functions needed to convert the images in */ |
| 25 | /* different color spaces to yuv 422i color space */ |
| 26 | /* */ |
| 27 | /* */ |
| 28 | /* Issues / Problems : None */ |
| 29 | /* */ |
| 30 | /* Revision History : */ |
| 31 | /* */ |
| 32 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 33 | /* 28 08 2007 Naveen Kumar T Draft */ |
| 34 | /* */ |
| 35 | /*****************************************************************************/ |
| 36 | /*****************************************************************************/ |
| 37 | /* File Includes */ |
| 38 | /*****************************************************************************/ |
| 39 | |
| 40 | /* System include files */ |
| 41 | #include <string.h> |
| 42 | /* User include files */ |
| 43 | #include "ih264_typedefs.h" |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 44 | #include "iv.h" |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 45 | #include "ih264_macros.h" |
| 46 | #include "ih264_platform_macros.h" |
| 47 | #include "ih264d_structs.h" |
| 48 | #include "ih264d_format_conv.h" |
| 49 | #include "ih264d_defs.h" |
| 50 | |
| 51 | |
| 52 | |
| 53 | #ifdef LOGO_EN |
| 54 | #include "ih264d_ittiam_logo.h" |
| 55 | #define INSERT_LOGO(pu1_buf_y,pu1_buf_u,pu1_buf_v, u4_stride, u4_x_pos, u4_y_pos, u4_yuv_fmt, u4_disp_wd, u4_disp_ht) \ |
| 56 | ih264d_insert_logo(pu1_buf_y,pu1_buf_u,pu1_buf_v, u4_stride,\ |
| 57 | u4_x_pos, u4_y_pos, u4_yuv_fmt, u4_disp_wd, u4_disp_ht) |
| 58 | #else |
| 59 | #define INSERT_LOGO(pu1_buf_y,pu1_buf_u,pu1_buf_v, u4_stride, u4_x_pos, u4_y_pos, u4_yuv_fmt, u4_disp_wd, u4_disp_ht) |
| 60 | #endif |
| 61 | |
| 62 | /** |
| 63 | ******************************************************************************* |
| 64 | * |
| 65 | * @brief Function used from copying a 420SP buffer |
| 66 | * |
| 67 | * @par Description |
| 68 | * Function used from copying a 420SP buffer |
| 69 | * |
| 70 | * @param[in] pu1_y_src |
| 71 | * Input Y pointer |
| 72 | * |
| 73 | * @param[in] pu1_uv_src |
| 74 | * Input UV pointer (UV is interleaved either in UV or VU format) |
| 75 | * |
| 76 | * @param[in] pu1_y_dst |
| 77 | * Output Y pointer |
| 78 | * |
| 79 | * @param[in] pu1_uv_dst |
| 80 | * Output UV pointer (UV is interleaved in the same format as that of input) |
| 81 | * |
| 82 | * @param[in] wd |
| 83 | * Width |
| 84 | * |
| 85 | * @param[in] ht |
| 86 | * Height |
| 87 | * |
| 88 | * @param[in] src_y_strd |
| 89 | * Input Y Stride |
| 90 | * |
| 91 | * @param[in] src_uv_strd |
| 92 | * Input UV stride |
| 93 | * |
| 94 | * @param[in] dst_y_strd |
| 95 | * Output Y stride |
| 96 | * |
| 97 | * @param[in] dst_uv_strd |
| 98 | * Output UV stride |
| 99 | * |
| 100 | * @returns None |
| 101 | * |
| 102 | * @remarks In case there is a need to perform partial frame copy then |
| 103 | * by passion appropriate source and destination pointers and appropriate |
| 104 | * values for wd and ht it can be done |
| 105 | * |
| 106 | ******************************************************************************* |
| 107 | */ |
| 108 | void ih264d_fmt_conv_420sp_to_rgb565(UWORD8 *pu1_y_src, |
| 109 | UWORD8 *pu1_uv_src, |
| 110 | UWORD16 *pu2_rgb_dst, |
| 111 | WORD32 wd, |
| 112 | WORD32 ht, |
| 113 | WORD32 src_y_strd, |
| 114 | WORD32 src_uv_strd, |
| 115 | WORD32 dst_strd, |
| 116 | WORD32 is_u_first) |
| 117 | { |
| 118 | |
| 119 | WORD16 i2_r, i2_g, i2_b; |
| 120 | UWORD32 u4_r, u4_g, u4_b; |
| 121 | WORD16 i2_i, i2_j; |
| 122 | UWORD8 *pu1_y_src_nxt; |
| 123 | UWORD16 *pu2_rgb_dst_next_row; |
| 124 | |
| 125 | UWORD8 *pu1_u_src, *pu1_v_src; |
| 126 | |
| 127 | if(is_u_first) |
| 128 | { |
| 129 | pu1_u_src = (UWORD8 *)pu1_uv_src; |
| 130 | pu1_v_src = (UWORD8 *)pu1_uv_src + 1; |
| 131 | } |
| 132 | else |
| 133 | { |
| 134 | pu1_u_src = (UWORD8 *)pu1_uv_src + 1; |
| 135 | pu1_v_src = (UWORD8 *)pu1_uv_src; |
| 136 | } |
| 137 | |
| 138 | pu1_y_src_nxt = pu1_y_src + src_y_strd; |
| 139 | pu2_rgb_dst_next_row = pu2_rgb_dst + dst_strd; |
| 140 | |
| 141 | for(i2_i = 0; i2_i < (ht >> 1); i2_i++) |
| 142 | { |
| 143 | for(i2_j = (wd >> 1); i2_j > 0; i2_j--) |
| 144 | { |
| 145 | i2_b = ((*pu1_u_src - 128) * COEFF4 >> 13); |
| 146 | i2_g = ((*pu1_u_src - 128) * COEFF2 + (*pu1_v_src - 128) * COEFF3) |
| 147 | >> 13; |
| 148 | i2_r = ((*pu1_v_src - 128) * COEFF1) >> 13; |
| 149 | |
| 150 | pu1_u_src += 2; |
| 151 | pu1_v_src += 2; |
| 152 | /* pixel 0 */ |
| 153 | /* B */ |
| 154 | u4_b = CLIP_U8(*pu1_y_src + i2_b); |
| 155 | u4_b >>= 3; |
| 156 | /* G */ |
| 157 | u4_g = CLIP_U8(*pu1_y_src + i2_g); |
| 158 | u4_g >>= 2; |
| 159 | /* R */ |
| 160 | u4_r = CLIP_U8(*pu1_y_src + i2_r); |
| 161 | u4_r >>= 3; |
| 162 | |
| 163 | pu1_y_src++; |
| 164 | *pu2_rgb_dst++ = ((u4_r << 11) | (u4_g << 5) | u4_b); |
| 165 | |
| 166 | /* pixel 1 */ |
| 167 | /* B */ |
| 168 | u4_b = CLIP_U8(*pu1_y_src + i2_b); |
| 169 | u4_b >>= 3; |
| 170 | /* G */ |
| 171 | u4_g = CLIP_U8(*pu1_y_src + i2_g); |
| 172 | u4_g >>= 2; |
| 173 | /* R */ |
| 174 | u4_r = CLIP_U8(*pu1_y_src + i2_r); |
| 175 | u4_r >>= 3; |
| 176 | |
| 177 | pu1_y_src++; |
| 178 | *pu2_rgb_dst++ = ((u4_r << 11) | (u4_g << 5) | u4_b); |
| 179 | |
| 180 | /* pixel 2 */ |
| 181 | /* B */ |
| 182 | u4_b = CLIP_U8(*pu1_y_src_nxt + i2_b); |
| 183 | u4_b >>= 3; |
| 184 | /* G */ |
| 185 | u4_g = CLIP_U8(*pu1_y_src_nxt + i2_g); |
| 186 | u4_g >>= 2; |
| 187 | /* R */ |
| 188 | u4_r = CLIP_U8(*pu1_y_src_nxt + i2_r); |
| 189 | u4_r >>= 3; |
| 190 | |
| 191 | pu1_y_src_nxt++; |
| 192 | *pu2_rgb_dst_next_row++ = ((u4_r << 11) | (u4_g << 5) | u4_b); |
| 193 | |
| 194 | /* pixel 3 */ |
| 195 | /* B */ |
| 196 | u4_b = CLIP_U8(*pu1_y_src_nxt + i2_b); |
| 197 | u4_b >>= 3; |
| 198 | /* G */ |
| 199 | u4_g = CLIP_U8(*pu1_y_src_nxt + i2_g); |
| 200 | u4_g >>= 2; |
| 201 | /* R */ |
| 202 | u4_r = CLIP_U8(*pu1_y_src_nxt + i2_r); |
| 203 | u4_r >>= 3; |
| 204 | |
| 205 | pu1_y_src_nxt++; |
| 206 | *pu2_rgb_dst_next_row++ = ((u4_r << 11) | (u4_g << 5) | u4_b); |
| 207 | |
| 208 | } |
| 209 | |
| 210 | pu1_u_src = pu1_u_src + src_uv_strd - wd; |
| 211 | pu1_v_src = pu1_v_src + src_uv_strd - wd; |
| 212 | |
| 213 | pu1_y_src = pu1_y_src + (src_y_strd << 1) - wd; |
| 214 | pu1_y_src_nxt = pu1_y_src_nxt + (src_y_strd << 1) - wd; |
| 215 | |
| 216 | pu2_rgb_dst = pu2_rgb_dst_next_row - wd + dst_strd; |
| 217 | pu2_rgb_dst_next_row = pu2_rgb_dst_next_row + (dst_strd << 1) - wd; |
| 218 | } |
| 219 | |
| 220 | } |
| 221 | |
| 222 | void ih264d_fmt_conv_420sp_to_rgba8888(UWORD8 *pu1_y_src, |
| 223 | UWORD8 *pu1_uv_src, |
| 224 | UWORD32 *pu4_rgba_dst, |
| 225 | WORD32 wd, |
| 226 | WORD32 ht, |
| 227 | WORD32 src_y_strd, |
| 228 | WORD32 src_uv_strd, |
| 229 | WORD32 dst_strd, |
| 230 | WORD32 is_u_first) |
| 231 | { |
| 232 | |
| 233 | WORD16 i2_r, i2_g, i2_b; |
| 234 | UWORD32 u4_r, u4_g, u4_b; |
| 235 | WORD16 i2_i, i2_j; |
| 236 | UWORD8 *pu1_y_src_nxt; |
| 237 | UWORD32 *pu4_rgba_dst_next_row; |
| 238 | |
| 239 | UWORD8 *pu1_u_src, *pu1_v_src; |
| 240 | |
| 241 | if(is_u_first) |
| 242 | { |
| 243 | pu1_u_src = (UWORD8 *)pu1_uv_src; |
| 244 | pu1_v_src = (UWORD8 *)pu1_uv_src + 1; |
| 245 | } |
| 246 | else |
| 247 | { |
| 248 | pu1_u_src = (UWORD8 *)pu1_uv_src + 1; |
| 249 | pu1_v_src = (UWORD8 *)pu1_uv_src; |
| 250 | } |
| 251 | |
| 252 | pu1_y_src_nxt = pu1_y_src + src_y_strd; |
| 253 | pu4_rgba_dst_next_row = pu4_rgba_dst + dst_strd; |
| 254 | |
| 255 | for(i2_i = 0; i2_i < (ht >> 1); i2_i++) |
| 256 | { |
| 257 | for(i2_j = (wd >> 1); i2_j > 0; i2_j--) |
| 258 | { |
| 259 | i2_b = ((*pu1_u_src - 128) * COEFF4 >> 13); |
| 260 | i2_g = ((*pu1_u_src - 128) * COEFF2 + (*pu1_v_src - 128) * COEFF3) |
| 261 | >> 13; |
| 262 | i2_r = ((*pu1_v_src - 128) * COEFF1) >> 13; |
| 263 | |
| 264 | pu1_u_src += 2; |
| 265 | pu1_v_src += 2; |
| 266 | /* pixel 0 */ |
| 267 | /* B */ |
| 268 | u4_b = CLIP_U8(*pu1_y_src + i2_b); |
| 269 | /* G */ |
| 270 | u4_g = CLIP_U8(*pu1_y_src + i2_g); |
| 271 | /* R */ |
| 272 | u4_r = CLIP_U8(*pu1_y_src + i2_r); |
| 273 | |
| 274 | pu1_y_src++; |
| 275 | *pu4_rgba_dst++ = ((u4_r << 16) | (u4_g << 8) | (u4_b << 0)); |
| 276 | |
| 277 | /* pixel 1 */ |
| 278 | /* B */ |
| 279 | u4_b = CLIP_U8(*pu1_y_src + i2_b); |
| 280 | /* G */ |
| 281 | u4_g = CLIP_U8(*pu1_y_src + i2_g); |
| 282 | /* R */ |
| 283 | u4_r = CLIP_U8(*pu1_y_src + i2_r); |
| 284 | |
| 285 | pu1_y_src++; |
| 286 | *pu4_rgba_dst++ = ((u4_r << 16) | (u4_g << 8) | (u4_b << 0)); |
| 287 | |
| 288 | /* pixel 2 */ |
| 289 | /* B */ |
| 290 | u4_b = CLIP_U8(*pu1_y_src_nxt + i2_b); |
| 291 | /* G */ |
| 292 | u4_g = CLIP_U8(*pu1_y_src_nxt + i2_g); |
| 293 | /* R */ |
| 294 | u4_r = CLIP_U8(*pu1_y_src_nxt + i2_r); |
| 295 | |
| 296 | pu1_y_src_nxt++; |
| 297 | *pu4_rgba_dst_next_row++ = |
| 298 | ((u4_r << 16) | (u4_g << 8) | (u4_b << 0)); |
| 299 | |
| 300 | /* pixel 3 */ |
| 301 | /* B */ |
| 302 | u4_b = CLIP_U8(*pu1_y_src_nxt + i2_b); |
| 303 | /* G */ |
| 304 | u4_g = CLIP_U8(*pu1_y_src_nxt + i2_g); |
| 305 | /* R */ |
| 306 | u4_r = CLIP_U8(*pu1_y_src_nxt + i2_r); |
| 307 | |
| 308 | pu1_y_src_nxt++; |
| 309 | *pu4_rgba_dst_next_row++ = |
| 310 | ((u4_r << 16) | (u4_g << 8) | (u4_b << 0)); |
| 311 | |
| 312 | } |
| 313 | |
| 314 | pu1_u_src = pu1_u_src + src_uv_strd - wd; |
| 315 | pu1_v_src = pu1_v_src + src_uv_strd - wd; |
| 316 | |
| 317 | pu1_y_src = pu1_y_src + (src_y_strd << 1) - wd; |
| 318 | pu1_y_src_nxt = pu1_y_src_nxt + (src_y_strd << 1) - wd; |
| 319 | |
| 320 | pu4_rgba_dst = pu4_rgba_dst_next_row - wd + dst_strd; |
| 321 | pu4_rgba_dst_next_row = pu4_rgba_dst_next_row + (dst_strd << 1) - wd; |
| 322 | } |
| 323 | |
| 324 | } |
| 325 | |
| 326 | /** |
| 327 | ******************************************************************************* |
| 328 | * |
| 329 | * @brief Function used from copying a 420SP buffer |
| 330 | * |
| 331 | * @par Description |
| 332 | * Function used from copying a 420SP buffer |
| 333 | * |
| 334 | * @param[in] pu1_y_src |
| 335 | * Input Y pointer |
| 336 | * |
| 337 | * @param[in] pu1_uv_src |
| 338 | * Input UV pointer (UV is interleaved either in UV or VU format) |
| 339 | * |
| 340 | * @param[in] pu1_y_dst |
| 341 | * Output Y pointer |
| 342 | * |
| 343 | * @param[in] pu1_uv_dst |
| 344 | * Output UV pointer (UV is interleaved in the same format as that of input) |
| 345 | * |
| 346 | * @param[in] wd |
| 347 | * Width |
| 348 | * |
| 349 | * @param[in] ht |
| 350 | * Height |
| 351 | * |
| 352 | * @param[in] src_y_strd |
| 353 | * Input Y Stride |
| 354 | * |
| 355 | * @param[in] src_uv_strd |
| 356 | * Input UV stride |
| 357 | * |
| 358 | * @param[in] dst_y_strd |
| 359 | * Output Y stride |
| 360 | * |
| 361 | * @param[in] dst_uv_strd |
| 362 | * Output UV stride |
| 363 | * |
| 364 | * @returns None |
| 365 | * |
| 366 | * @remarks In case there is a need to perform partial frame copy then |
| 367 | * by passion appropriate source and destination pointers and appropriate |
| 368 | * values for wd and ht it can be done |
| 369 | * |
| 370 | ******************************************************************************* |
| 371 | */ |
| 372 | |
| 373 | void ih264d_fmt_conv_420sp_to_420sp(UWORD8 *pu1_y_src, |
| 374 | UWORD8 *pu1_uv_src, |
| 375 | UWORD8 *pu1_y_dst, |
| 376 | UWORD8 *pu1_uv_dst, |
| 377 | WORD32 wd, |
| 378 | WORD32 ht, |
| 379 | WORD32 src_y_strd, |
| 380 | WORD32 src_uv_strd, |
| 381 | WORD32 dst_y_strd, |
| 382 | WORD32 dst_uv_strd) |
| 383 | { |
| 384 | UWORD8 *pu1_src, *pu1_dst; |
| 385 | WORD32 num_rows, num_cols, src_strd, dst_strd; |
| 386 | WORD32 i; |
| 387 | |
| 388 | /* copy luma */ |
| 389 | pu1_src = (UWORD8 *)pu1_y_src; |
| 390 | pu1_dst = (UWORD8 *)pu1_y_dst; |
| 391 | |
| 392 | num_rows = ht; |
| 393 | num_cols = wd; |
| 394 | |
| 395 | src_strd = src_y_strd; |
| 396 | dst_strd = dst_y_strd; |
| 397 | |
| 398 | for(i = 0; i < num_rows; i++) |
| 399 | { |
| 400 | memcpy(pu1_dst, pu1_src, num_cols); |
| 401 | pu1_dst += dst_strd; |
| 402 | pu1_src += src_strd; |
| 403 | } |
| 404 | |
| 405 | /* copy U and V */ |
| 406 | pu1_src = (UWORD8 *)pu1_uv_src; |
| 407 | pu1_dst = (UWORD8 *)pu1_uv_dst; |
| 408 | |
| 409 | num_rows = ht >> 1; |
| 410 | num_cols = wd; |
| 411 | |
| 412 | src_strd = src_uv_strd; |
| 413 | dst_strd = dst_uv_strd; |
| 414 | |
| 415 | for(i = 0; i < num_rows; i++) |
| 416 | { |
| 417 | memcpy(pu1_dst, pu1_src, num_cols); |
| 418 | pu1_dst += dst_strd; |
| 419 | pu1_src += src_strd; |
| 420 | } |
| 421 | return; |
| 422 | } |
| 423 | |
| 424 | /** |
| 425 | ******************************************************************************* |
| 426 | * |
| 427 | * @brief Function used from copying a 420SP buffer |
| 428 | * |
| 429 | * @par Description |
| 430 | * Function used from copying a 420SP buffer |
| 431 | * |
| 432 | * @param[in] pu1_y_src |
| 433 | * Input Y pointer |
| 434 | * |
| 435 | * @param[in] pu1_uv_src |
| 436 | * Input UV pointer (UV is interleaved either in UV or VU format) |
| 437 | * |
| 438 | * @param[in] pu1_y_dst |
| 439 | * Output Y pointer |
| 440 | * |
| 441 | * @param[in] pu1_uv_dst |
| 442 | * Output UV pointer (UV is interleaved in the same format as that of input) |
| 443 | * |
| 444 | * @param[in] wd |
| 445 | * Width |
| 446 | * |
| 447 | * @param[in] ht |
| 448 | * Height |
| 449 | * |
| 450 | * @param[in] src_y_strd |
| 451 | * Input Y Stride |
| 452 | * |
| 453 | * @param[in] src_uv_strd |
| 454 | * Input UV stride |
| 455 | * |
| 456 | * @param[in] dst_y_strd |
| 457 | * Output Y stride |
| 458 | * |
| 459 | * @param[in] dst_uv_strd |
| 460 | * Output UV stride |
| 461 | * |
| 462 | * @returns None |
| 463 | * |
| 464 | * @remarks In case there is a need to perform partial frame copy then |
| 465 | * by passion appropriate source and destination pointers and appropriate |
| 466 | * values for wd and ht it can be done |
| 467 | * |
| 468 | ******************************************************************************* |
| 469 | */ |
| 470 | void ih264d_fmt_conv_420sp_to_420sp_swap_uv(UWORD8 *pu1_y_src, |
| 471 | UWORD8 *pu1_uv_src, |
| 472 | UWORD8 *pu1_y_dst, |
| 473 | UWORD8 *pu1_uv_dst, |
| 474 | WORD32 wd, |
| 475 | WORD32 ht, |
| 476 | WORD32 src_y_strd, |
| 477 | WORD32 src_uv_strd, |
| 478 | WORD32 dst_y_strd, |
| 479 | WORD32 dst_uv_strd) |
| 480 | { |
| 481 | UWORD8 *pu1_src, *pu1_dst; |
| 482 | WORD32 num_rows, num_cols, src_strd, dst_strd; |
| 483 | WORD32 i; |
| 484 | |
| 485 | /* copy luma */ |
| 486 | pu1_src = (UWORD8 *)pu1_y_src; |
| 487 | pu1_dst = (UWORD8 *)pu1_y_dst; |
| 488 | |
| 489 | num_rows = ht; |
| 490 | num_cols = wd; |
| 491 | |
| 492 | src_strd = src_y_strd; |
| 493 | dst_strd = dst_y_strd; |
| 494 | |
| 495 | for(i = 0; i < num_rows; i++) |
| 496 | { |
| 497 | memcpy(pu1_dst, pu1_src, num_cols); |
| 498 | pu1_dst += dst_strd; |
| 499 | pu1_src += src_strd; |
| 500 | } |
| 501 | |
| 502 | /* copy U and V */ |
| 503 | pu1_src = (UWORD8 *)pu1_uv_src; |
| 504 | pu1_dst = (UWORD8 *)pu1_uv_dst; |
| 505 | |
| 506 | num_rows = ht >> 1; |
| 507 | num_cols = wd; |
| 508 | |
| 509 | src_strd = src_uv_strd; |
| 510 | dst_strd = dst_uv_strd; |
| 511 | |
| 512 | for(i = 0; i < num_rows; i++) |
| 513 | { |
| 514 | WORD32 j; |
| 515 | for(j = 0; j < num_cols; j += 2) |
| 516 | { |
| 517 | pu1_dst[j + 0] = pu1_src[j + 1]; |
| 518 | pu1_dst[j + 1] = pu1_src[j + 0]; |
| 519 | } |
| 520 | pu1_dst += dst_strd; |
| 521 | pu1_src += src_strd; |
| 522 | } |
| 523 | return; |
| 524 | } |
| 525 | /** |
| 526 | ******************************************************************************* |
| 527 | * |
| 528 | * @brief Function used from copying a 420SP buffer |
| 529 | * |
| 530 | * @par Description |
| 531 | * Function used from copying a 420SP buffer |
| 532 | * |
| 533 | * @param[in] pu1_y_src |
| 534 | * Input Y pointer |
| 535 | * |
| 536 | * @param[in] pu1_uv_src |
| 537 | * Input UV pointer (UV is interleaved either in UV or VU format) |
| 538 | * |
| 539 | * @param[in] pu1_y_dst |
| 540 | * Output Y pointer |
| 541 | * |
| 542 | * @param[in] pu1_u_dst |
| 543 | * Output U pointer |
| 544 | * |
| 545 | * @param[in] pu1_v_dst |
| 546 | * Output V pointer |
| 547 | * |
| 548 | * @param[in] wd |
| 549 | * Width |
| 550 | * |
| 551 | * @param[in] ht |
| 552 | * Height |
| 553 | * |
| 554 | * @param[in] src_y_strd |
| 555 | * Input Y Stride |
| 556 | * |
| 557 | * @param[in] src_uv_strd |
| 558 | * Input UV stride |
| 559 | * |
| 560 | * @param[in] dst_y_strd |
| 561 | * Output Y stride |
| 562 | * |
| 563 | * @param[in] dst_uv_strd |
| 564 | * Output UV stride |
| 565 | * |
| 566 | * @param[in] is_u_first |
| 567 | * Flag to indicate if U is the first byte in input chroma part |
| 568 | * |
| 569 | * @returns none |
| 570 | * |
| 571 | * @remarks In case there is a need to perform partial frame copy then |
| 572 | * by passion appropriate source and destination pointers and appropriate |
| 573 | * values for wd and ht it can be done |
| 574 | * |
| 575 | ******************************************************************************* |
| 576 | */ |
| 577 | |
| 578 | void ih264d_fmt_conv_420sp_to_420p(UWORD8 *pu1_y_src, |
| 579 | UWORD8 *pu1_uv_src, |
| 580 | UWORD8 *pu1_y_dst, |
| 581 | UWORD8 *pu1_u_dst, |
| 582 | UWORD8 *pu1_v_dst, |
| 583 | WORD32 wd, |
| 584 | WORD32 ht, |
| 585 | WORD32 src_y_strd, |
| 586 | WORD32 src_uv_strd, |
| 587 | WORD32 dst_y_strd, |
| 588 | WORD32 dst_uv_strd, |
| 589 | WORD32 is_u_first, |
| 590 | WORD32 disable_luma_copy) |
| 591 | { |
| 592 | UWORD8 *pu1_src, *pu1_dst; |
| 593 | UWORD8 *pu1_u_src, *pu1_v_src; |
| 594 | WORD32 num_rows, num_cols, src_strd, dst_strd; |
| 595 | WORD32 i, j; |
| 596 | |
| 597 | if(0 == disable_luma_copy) |
| 598 | { |
| 599 | /* copy luma */ |
| 600 | pu1_src = (UWORD8 *)pu1_y_src; |
| 601 | pu1_dst = (UWORD8 *)pu1_y_dst; |
| 602 | |
| 603 | num_rows = ht; |
| 604 | num_cols = wd; |
| 605 | |
| 606 | src_strd = src_y_strd; |
| 607 | dst_strd = dst_y_strd; |
| 608 | |
| 609 | for(i = 0; i < num_rows; i++) |
| 610 | { |
| 611 | memcpy(pu1_dst, pu1_src, num_cols); |
| 612 | pu1_dst += dst_strd; |
| 613 | pu1_src += src_strd; |
| 614 | } |
| 615 | } |
| 616 | /* de-interleave U and V and copy to destination */ |
| 617 | if(is_u_first) |
| 618 | { |
| 619 | pu1_u_src = (UWORD8 *)pu1_uv_src; |
| 620 | pu1_v_src = (UWORD8 *)pu1_uv_src + 1; |
| 621 | } |
| 622 | else |
| 623 | { |
| 624 | pu1_u_src = (UWORD8 *)pu1_uv_src + 1; |
| 625 | pu1_v_src = (UWORD8 *)pu1_uv_src; |
| 626 | } |
| 627 | |
| 628 | num_rows = ht >> 1; |
| 629 | num_cols = wd >> 1; |
| 630 | |
| 631 | src_strd = src_uv_strd; |
| 632 | dst_strd = dst_uv_strd; |
| 633 | |
| 634 | for(i = 0; i < num_rows; i++) |
| 635 | { |
| 636 | for(j = 0; j < num_cols; j++) |
| 637 | { |
| 638 | pu1_u_dst[j] = pu1_u_src[j * 2]; |
| 639 | pu1_v_dst[j] = pu1_v_src[j * 2]; |
| 640 | } |
| 641 | |
| 642 | pu1_u_dst += dst_strd; |
| 643 | pu1_v_dst += dst_strd; |
| 644 | pu1_u_src += src_strd; |
| 645 | pu1_v_src += src_strd; |
| 646 | } |
| 647 | return; |
| 648 | } |
| 649 | |
| 650 | /*****************************************************************************/ |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 651 | /* Function Name : ih264d_format_convert */ |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 652 | /* */ |
| 653 | /* Description : Implements format conversion/frame copy */ |
| 654 | /* Inputs : ps_dec - Decoder parameters */ |
| 655 | /* Globals : None */ |
| 656 | /* Processing : Refer bumping process in the standard */ |
| 657 | /* Outputs : Assigns display sequence number. */ |
| 658 | /* Returns : None */ |
| 659 | /* */ |
| 660 | /* Issues : None */ |
| 661 | /* */ |
| 662 | /* Revision History: */ |
| 663 | /* */ |
| 664 | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
| 665 | /* 27 04 2005 NS Draft */ |
| 666 | /* */ |
| 667 | /*****************************************************************************/ |
| 668 | void ih264d_format_convert(dec_struct_t *ps_dec, |
| 669 | ivd_get_display_frame_op_t *pv_disp_op, |
| 670 | UWORD32 u4_start_y, |
| 671 | UWORD32 u4_num_rows_y) |
| 672 | { |
| 673 | UWORD32 convert_uv_only = 0; |
| 674 | iv_yuv_buf_t *ps_op_frm; |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 675 | UWORD8 *pu1_y_src, *pu1_uv_src; |
| 676 | UWORD32 start_uv = u4_start_y >> 1; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 677 | |
| 678 | if(1 == pv_disp_op->u4_error_code) |
| 679 | return; |
| 680 | |
| 681 | ps_op_frm = &(ps_dec->s_disp_frame_info); |
| 682 | |
| 683 | /* Requires u4_start_y and u4_num_rows_y to be even */ |
| 684 | if(u4_start_y & 1) |
| 685 | { |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 686 | return; |
| 687 | } |
| 688 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 689 | if((1 == ps_dec->u4_share_disp_buf) && |
| 690 | (pv_disp_op->e_output_format == IV_YUV_420SP_UV)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 691 | { |
| 692 | return; |
| 693 | } |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 694 | |
| 695 | pu1_y_src = (UWORD8 *)ps_op_frm->pv_y_buf; |
| 696 | pu1_y_src += u4_start_y * ps_op_frm->u4_y_strd, |
| 697 | |
| 698 | pu1_uv_src = (UWORD8 *)ps_op_frm->pv_u_buf; |
| 699 | pu1_uv_src += start_uv * ps_op_frm->u4_u_strd; |
| 700 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 701 | if(pv_disp_op->e_output_format == IV_YUV_420P) |
| 702 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 703 | UWORD8 *pu1_y_dst, *pu1_u_dst, *pu1_v_dst; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 704 | IV_COLOR_FORMAT_T e_output_format = pv_disp_op->e_output_format; |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 705 | |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 706 | if(0 == ps_dec->u4_share_disp_buf) |
| 707 | { |
| 708 | convert_uv_only = 0; |
| 709 | } |
| 710 | else |
| 711 | { |
| 712 | convert_uv_only = 1; |
| 713 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 714 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 715 | pu1_y_dst = (UWORD8 *)pv_disp_op->s_disp_frm_buf.pv_y_buf; |
| 716 | pu1_y_dst += u4_start_y * pv_disp_op->s_disp_frm_buf.u4_y_strd; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 717 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 718 | pu1_u_dst = (UWORD8 *)pv_disp_op->s_disp_frm_buf.pv_u_buf; |
| 719 | pu1_u_dst += start_uv * pv_disp_op->s_disp_frm_buf.u4_u_strd; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 720 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 721 | pu1_v_dst = (UWORD8 *)pv_disp_op->s_disp_frm_buf.pv_v_buf; |
| 722 | pu1_v_dst += start_uv * pv_disp_op->s_disp_frm_buf.u4_v_strd; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 723 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 724 | ih264d_fmt_conv_420sp_to_420p(pu1_y_src, |
| 725 | pu1_uv_src, |
| 726 | pu1_y_dst, |
| 727 | pu1_u_dst, |
| 728 | pu1_v_dst, |
| 729 | ps_op_frm->u4_y_wd, |
| 730 | u4_num_rows_y, |
| 731 | ps_op_frm->u4_y_strd, |
| 732 | ps_op_frm->u4_u_strd, |
| 733 | pv_disp_op->s_disp_frm_buf.u4_y_strd, |
| 734 | pv_disp_op->s_disp_frm_buf.u4_u_strd, |
| 735 | 1, |
| 736 | convert_uv_only); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 737 | |
| 738 | } |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 739 | else if((pv_disp_op->e_output_format == IV_YUV_420SP_UV) || |
| 740 | (pv_disp_op->e_output_format == IV_YUV_420SP_VU)) |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 741 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 742 | UWORD8* pu1_y_dst, *pu1_uv_dst; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 743 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 744 | pu1_y_dst = (UWORD8 *)pv_disp_op->s_disp_frm_buf.pv_y_buf; |
| 745 | pu1_y_dst += u4_start_y * pv_disp_op->s_disp_frm_buf.u4_y_strd; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 746 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 747 | pu1_uv_dst = (UWORD8 *)pv_disp_op->s_disp_frm_buf.pv_u_buf; |
| 748 | pu1_uv_dst += start_uv * pv_disp_op->s_disp_frm_buf.u4_u_strd; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 749 | |
| 750 | if(pv_disp_op->e_output_format == IV_YUV_420SP_UV) |
| 751 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 752 | ih264d_fmt_conv_420sp_to_420sp(pu1_y_src, |
| 753 | pu1_uv_src, |
| 754 | pu1_y_dst, |
| 755 | pu1_uv_dst, |
| 756 | ps_op_frm->u4_y_wd, |
| 757 | u4_num_rows_y, |
| 758 | ps_op_frm->u4_y_strd, |
| 759 | ps_op_frm->u4_u_strd, |
| 760 | pv_disp_op->s_disp_frm_buf.u4_y_strd, |
| 761 | pv_disp_op->s_disp_frm_buf.u4_u_strd); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 762 | } |
| 763 | else |
| 764 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 765 | ih264d_fmt_conv_420sp_to_420sp_swap_uv(pu1_y_src, |
| 766 | pu1_uv_src, |
| 767 | pu1_y_dst, |
| 768 | pu1_uv_dst, |
| 769 | ps_op_frm->u4_y_wd, |
| 770 | u4_num_rows_y, |
| 771 | ps_op_frm->u4_y_strd, |
| 772 | ps_op_frm->u4_u_strd, |
| 773 | pv_disp_op->s_disp_frm_buf.u4_y_strd, |
| 774 | pv_disp_op->s_disp_frm_buf.u4_u_strd); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 775 | } |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 776 | } |
| 777 | else if(pv_disp_op->e_output_format == IV_RGB_565) |
| 778 | { |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 779 | UWORD16 *pu2_rgb_dst; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 780 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 781 | pu2_rgb_dst = (UWORD16 *)pv_disp_op->s_disp_frm_buf.pv_y_buf; |
| 782 | pu2_rgb_dst += u4_start_y * pv_disp_op->s_disp_frm_buf.u4_y_strd; |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 783 | |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 784 | ih264d_fmt_conv_420sp_to_rgb565(pu1_y_src, |
| 785 | pu1_uv_src, |
| 786 | pu2_rgb_dst, |
| 787 | ps_op_frm->u4_y_wd, |
| 788 | u4_num_rows_y, |
| 789 | ps_op_frm->u4_y_strd, |
| 790 | ps_op_frm->u4_u_strd, |
| 791 | pv_disp_op->s_disp_frm_buf.u4_y_strd, |
| 792 | 1); |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 793 | } |
| 794 | |
| 795 | if((u4_start_y + u4_num_rows_y) >= ps_dec->s_disp_frame_info.u4_y_ht) |
| 796 | { |
| 797 | |
| 798 | INSERT_LOGO(pv_disp_op->s_disp_frm_buf.pv_y_buf, |
| 799 | pv_disp_op->s_disp_frm_buf.pv_u_buf, |
Hamsalekha S | caab4fe | 2015-05-07 16:38:07 +0530 | [diff] [blame] | 800 | pv_disp_op->s_disp_frm_buf.pv_v_buf, |
| 801 | pv_disp_op->s_disp_frm_buf.u4_y_strd, |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 802 | ps_dec->u2_disp_width, |
| 803 | ps_dec->u2_disp_height, |
| 804 | pv_disp_op->e_output_format, |
| 805 | ps_op_frm->u4_y_wd, |
| 806 | ps_op_frm->u4_y_ht); |
| 807 | } |
| 808 | |
| 809 | return; |
| 810 | } |