| 1 | /* |
| 2 | * HEVC video decoder |
| 3 | * |
| 4 | * Copyright (C) 2012 - 2013 Guillaume Martres |
| 5 | * |
| 6 | * This file is part of FFmpeg. |
| 7 | * |
| 8 | * FFmpeg is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU Lesser General Public |
| 10 | * License as published by the Free Software Foundation; either |
| 11 | * version 2.1 of the License, or (at your option) any later version. |
| 12 | * |
| 13 | * FFmpeg is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * Lesser General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Lesser General Public |
| 19 | * License along with FFmpeg; if not, write to the Free Software |
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 21 | */ |
| 22 | |
| 23 | #include "libavutil/pixdesc.h" |
| 24 | |
| 25 | #include "bit_depth_template.c" |
| 26 | #include "hevcpred.h" |
| 27 | |
| 28 | #define POS(x, y) src[(x) + stride * (y)] |
| 29 | |
| 30 | static av_always_inline void FUNC(intra_pred)(HEVCContext *s, int x0, int y0, |
| 31 | int log2_size, int c_idx) |
| 32 | { |
| 33 | #define PU(x) \ |
| 34 | ((x) >> s->sps->log2_min_pu_size) |
| 35 | #define MVF(x, y) \ |
| 36 | (s->ref->tab_mvf[(x) + (y) * min_pu_width]) |
| 37 | #define MVF_PU(x, y) \ |
| 38 | MVF(PU(x0 + ((x) << hshift)), PU(y0 + ((y) << vshift))) |
| 39 | #define IS_INTRA(x, y) \ |
| 40 | (MVF_PU(x, y).pred_flag == PF_INTRA) |
| 41 | #define MIN_TB_ADDR_ZS(x, y) \ |
| 42 | s->pps->min_tb_addr_zs[(y) * (s->sps->tb_mask+2) + (x)] |
| 43 | #define EXTEND(ptr, val, len) \ |
| 44 | do { \ |
| 45 | pixel4 pix = PIXEL_SPLAT_X4(val); \ |
| 46 | for (i = 0; i < (len); i += 4) \ |
| 47 | AV_WN4P(ptr + i, pix); \ |
| 48 | } while (0) |
| 49 | |
| 50 | #define EXTEND_RIGHT_CIP(ptr, start, length) \ |
| 51 | for (i = start; i < (start) + (length); i += 4) \ |
| 52 | if (!IS_INTRA(i, -1)) \ |
| 53 | AV_WN4P(&ptr[i], a); \ |
| 54 | else \ |
| 55 | a = PIXEL_SPLAT_X4(ptr[i+3]) |
| 56 | #define EXTEND_LEFT_CIP(ptr, start, length) \ |
| 57 | for (i = start; i > (start) - (length); i--) \ |
| 58 | if (!IS_INTRA(i - 1, -1)) \ |
| 59 | ptr[i - 1] = ptr[i] |
| 60 | #define EXTEND_UP_CIP(ptr, start, length) \ |
| 61 | for (i = (start); i > (start) - (length); i -= 4) \ |
| 62 | if (!IS_INTRA(-1, i - 3)) \ |
| 63 | AV_WN4P(&ptr[i - 3], a); \ |
| 64 | else \ |
| 65 | a = PIXEL_SPLAT_X4(ptr[i - 3]) |
| 66 | #define EXTEND_DOWN_CIP(ptr, start, length) \ |
| 67 | for (i = start; i < (start) + (length); i += 4) \ |
| 68 | if (!IS_INTRA(-1, i)) \ |
| 69 | AV_WN4P(&ptr[i], a); \ |
| 70 | else \ |
| 71 | a = PIXEL_SPLAT_X4(ptr[i + 3]) |
| 72 | |
| 73 | HEVCLocalContext *lc = s->HEVClc; |
| 74 | int i; |
| 75 | int hshift = s->sps->hshift[c_idx]; |
| 76 | int vshift = s->sps->vshift[c_idx]; |
| 77 | int size = (1 << log2_size); |
| 78 | int size_in_luma_h = size << hshift; |
| 79 | int size_in_tbs_h = size_in_luma_h >> s->sps->log2_min_tb_size; |
| 80 | int size_in_luma_v = size << vshift; |
| 81 | int size_in_tbs_v = size_in_luma_v >> s->sps->log2_min_tb_size; |
| 82 | int x = x0 >> hshift; |
| 83 | int y = y0 >> vshift; |
| 84 | int x_tb = (x0 >> s->sps->log2_min_tb_size) & s->sps->tb_mask; |
| 85 | int y_tb = (y0 >> s->sps->log2_min_tb_size) & s->sps->tb_mask; |
| 86 | |
| 87 | int cur_tb_addr = MIN_TB_ADDR_ZS(x_tb, y_tb); |
| 88 | |
| 89 | ptrdiff_t stride = s->frame->linesize[c_idx] / sizeof(pixel); |
| 90 | pixel *src = (pixel*)s->frame->data[c_idx] + x + y * stride; |
| 91 | |
| 92 | int min_pu_width = s->sps->min_pu_width; |
| 93 | |
| 94 | enum IntraPredMode mode = c_idx ? lc->tu.intra_pred_mode_c : |
| 95 | lc->tu.intra_pred_mode; |
| 96 | pixel4 a; |
| 97 | pixel left_array[2 * MAX_TB_SIZE + 1]; |
| 98 | pixel filtered_left_array[2 * MAX_TB_SIZE + 1]; |
| 99 | pixel top_array[2 * MAX_TB_SIZE + 1]; |
| 100 | pixel filtered_top_array[2 * MAX_TB_SIZE + 1]; |
| 101 | |
| 102 | pixel *left = left_array + 1; |
| 103 | pixel *top = top_array + 1; |
| 104 | pixel *filtered_left = filtered_left_array + 1; |
| 105 | pixel *filtered_top = filtered_top_array + 1; |
| 106 | int cand_bottom_left = lc->na.cand_bottom_left && cur_tb_addr > MIN_TB_ADDR_ZS( x_tb - 1, (y_tb + size_in_tbs_v) & s->sps->tb_mask); |
| 107 | int cand_left = lc->na.cand_left; |
| 108 | int cand_up_left = lc->na.cand_up_left; |
| 109 | int cand_up = lc->na.cand_up; |
| 110 | int cand_up_right = lc->na.cand_up_right && cur_tb_addr > MIN_TB_ADDR_ZS((x_tb + size_in_tbs_h) & s->sps->tb_mask, y_tb - 1); |
| 111 | |
| 112 | int bottom_left_size = (FFMIN(y0 + 2 * size_in_luma_v, s->sps->height) - |
| 113 | (y0 + size_in_luma_v)) >> vshift; |
| 114 | int top_right_size = (FFMIN(x0 + 2 * size_in_luma_h, s->sps->width) - |
| 115 | (x0 + size_in_luma_h)) >> hshift; |
| 116 | |
| 117 | if (s->pps->constrained_intra_pred_flag == 1) { |
| 118 | int size_in_luma_pu_v = PU(size_in_luma_v); |
| 119 | int size_in_luma_pu_h = PU(size_in_luma_h); |
| 120 | int on_pu_edge_x = !(x0 & ((1 << s->sps->log2_min_pu_size) - 1)); |
| 121 | int on_pu_edge_y = !(y0 & ((1 << s->sps->log2_min_pu_size) - 1)); |
| 122 | if (!size_in_luma_pu_h) |
| 123 | size_in_luma_pu_h++; |
| 124 | if (cand_bottom_left == 1 && on_pu_edge_x) { |
| 125 | int x_left_pu = PU(x0 - 1); |
| 126 | int y_bottom_pu = PU(y0 + size_in_luma_v); |
| 127 | int max = FFMIN(size_in_luma_pu_v, s->sps->min_pu_height - y_bottom_pu); |
| 128 | cand_bottom_left = 0; |
| 129 | for (i = 0; i < max; i += 2) |
| 130 | cand_bottom_left |= (MVF(x_left_pu, y_bottom_pu + i).pred_flag == PF_INTRA); |
| 131 | } |
| 132 | if (cand_left == 1 && on_pu_edge_x) { |
| 133 | int x_left_pu = PU(x0 - 1); |
| 134 | int y_left_pu = PU(y0); |
| 135 | int max = FFMIN(size_in_luma_pu_v, s->sps->min_pu_height - y_left_pu); |
| 136 | cand_left = 0; |
| 137 | for (i = 0; i < max; i += 2) |
| 138 | cand_left |= (MVF(x_left_pu, y_left_pu + i).pred_flag == PF_INTRA); |
| 139 | } |
| 140 | if (cand_up_left == 1) { |
| 141 | int x_left_pu = PU(x0 - 1); |
| 142 | int y_top_pu = PU(y0 - 1); |
| 143 | cand_up_left = MVF(x_left_pu, y_top_pu).pred_flag == PF_INTRA; |
| 144 | } |
| 145 | if (cand_up == 1 && on_pu_edge_y) { |
| 146 | int x_top_pu = PU(x0); |
| 147 | int y_top_pu = PU(y0 - 1); |
| 148 | int max = FFMIN(size_in_luma_pu_h, s->sps->min_pu_width - x_top_pu); |
| 149 | cand_up = 0; |
| 150 | for (i = 0; i < max; i += 2) |
| 151 | cand_up |= (MVF(x_top_pu + i, y_top_pu).pred_flag == PF_INTRA); |
| 152 | } |
| 153 | if (cand_up_right == 1 && on_pu_edge_y) { |
| 154 | int y_top_pu = PU(y0 - 1); |
| 155 | int x_right_pu = PU(x0 + size_in_luma_h); |
| 156 | int max = FFMIN(size_in_luma_pu_h, s->sps->min_pu_width - x_right_pu); |
| 157 | cand_up_right = 0; |
| 158 | for (i = 0; i < max; i += 2) |
| 159 | cand_up_right |= (MVF(x_right_pu + i, y_top_pu).pred_flag == PF_INTRA); |
| 160 | } |
| 161 | memset(left, 128, 2 * MAX_TB_SIZE*sizeof(pixel)); |
| 162 | memset(top , 128, 2 * MAX_TB_SIZE*sizeof(pixel)); |
| 163 | top[-1] = 128; |
| 164 | } |
| 165 | if (cand_up_left) { |
| 166 | left[-1] = POS(-1, -1); |
| 167 | top[-1] = left[-1]; |
| 168 | } |
| 169 | if (cand_up) |
| 170 | memcpy(top, src - stride, size * sizeof(pixel)); |
| 171 | if (cand_up_right) { |
| 172 | memcpy(top + size, src - stride + size, size * sizeof(pixel)); |
| 173 | EXTEND(top + size + top_right_size, POS(size + top_right_size - 1, -1), |
| 174 | size - top_right_size); |
| 175 | } |
| 176 | if (cand_left) |
| 177 | for (i = 0; i < size; i++) |
| 178 | left[i] = POS(-1, i); |
| 179 | if (cand_bottom_left) { |
| 180 | for (i = size; i < size + bottom_left_size; i++) |
| 181 | left[i] = POS(-1, i); |
| 182 | EXTEND(left + size + bottom_left_size, POS(-1, size + bottom_left_size - 1), |
| 183 | size - bottom_left_size); |
| 184 | } |
| 185 | |
| 186 | if (s->pps->constrained_intra_pred_flag == 1) { |
| 187 | if (cand_bottom_left || cand_left || cand_up_left || cand_up || cand_up_right) { |
| 188 | int size_max_x = x0 + ((2 * size) << hshift) < s->sps->width ? |
| 189 | 2 * size : (s->sps->width - x0) >> hshift; |
| 190 | int size_max_y = y0 + ((2 * size) << vshift) < s->sps->height ? |
| 191 | 2 * size : (s->sps->height - y0) >> vshift; |
| 192 | int j = size + (cand_bottom_left? bottom_left_size: 0) -1; |
| 193 | if (!cand_up_right) { |
| 194 | size_max_x = x0 + ((size) << hshift) < s->sps->width ? |
| 195 | size : (s->sps->width - x0) >> hshift; |
| 196 | } |
| 197 | if (!cand_bottom_left) { |
| 198 | size_max_y = y0 + (( size) << vshift) < s->sps->height ? |
| 199 | size : (s->sps->height - y0) >> vshift; |
| 200 | } |
| 201 | if (cand_bottom_left || cand_left || cand_up_left) { |
| 202 | while (j > -1 && !IS_INTRA(-1, j)) |
| 203 | j--; |
| 204 | if (!IS_INTRA(-1, j)) { |
| 205 | j = 0; |
| 206 | while (j < size_max_x && !IS_INTRA(j, -1)) |
| 207 | j++; |
| 208 | EXTEND_LEFT_CIP(top, j, j + 1); |
| 209 | left[-1] = top[-1]; |
| 210 | } |
| 211 | } else { |
| 212 | j = 0; |
| 213 | while (j < size_max_x && !IS_INTRA(j, -1)) |
| 214 | j++; |
| 215 | if (j > 0) |
| 216 | if (x0 > 0) { |
| 217 | EXTEND_LEFT_CIP(top, j, j + 1); |
| 218 | } else { |
| 219 | EXTEND_LEFT_CIP(top, j, j); |
| 220 | top[-1] = top[0]; |
| 221 | } |
| 222 | left[-1] = top[-1]; |
| 223 | } |
| 224 | left[-1] = top[-1]; |
| 225 | if (cand_bottom_left || cand_left) { |
| 226 | a = PIXEL_SPLAT_X4(left[-1]); |
| 227 | EXTEND_DOWN_CIP(left, 0, size_max_y); |
| 228 | } |
| 229 | if (!cand_left) |
| 230 | EXTEND(left, left[-1], size); |
| 231 | if (!cand_bottom_left) |
| 232 | EXTEND(left + size, left[size - 1], size); |
| 233 | if (x0 != 0 && y0 != 0) { |
| 234 | a = PIXEL_SPLAT_X4(left[size_max_y - 1]); |
| 235 | EXTEND_UP_CIP(left, size_max_y - 1, size_max_y); |
| 236 | if (!IS_INTRA(-1, - 1)) |
| 237 | left[-1] = left[0]; |
| 238 | } else if (x0 == 0) { |
| 239 | EXTEND(left, 0, size_max_y); |
| 240 | } else { |
| 241 | a = PIXEL_SPLAT_X4(left[size_max_y - 1]); |
| 242 | EXTEND_UP_CIP(left, size_max_y - 1, size_max_y); |
| 243 | } |
| 244 | top[-1] = left[-1]; |
| 245 | if (y0 != 0) { |
| 246 | a = PIXEL_SPLAT_X4(left[-1]); |
| 247 | EXTEND_RIGHT_CIP(top, 0, size_max_x); |
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | // Infer the unavailable samples |
| 252 | if (!cand_bottom_left) { |
| 253 | if (cand_left) { |
| 254 | EXTEND(left + size, left[size - 1], size); |
| 255 | } else if (cand_up_left) { |
| 256 | EXTEND(left, left[-1], 2 * size); |
| 257 | cand_left = 1; |
| 258 | } else if (cand_up) { |
| 259 | left[-1] = top[0]; |
| 260 | EXTEND(left, left[-1], 2 * size); |
| 261 | cand_up_left = 1; |
| 262 | cand_left = 1; |
| 263 | } else if (cand_up_right) { |
| 264 | EXTEND(top, top[size], size); |
| 265 | left[-1] = top[size]; |
| 266 | EXTEND(left, left[-1], 2 * size); |
| 267 | cand_up = 1; |
| 268 | cand_up_left = 1; |
| 269 | cand_left = 1; |
| 270 | } else { // No samples available |
| 271 | left[-1] = (1 << (BIT_DEPTH - 1)); |
| 272 | EXTEND(top, left[-1], 2 * size); |
| 273 | EXTEND(left, left[-1], 2 * size); |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | if (!cand_left) |
| 278 | EXTEND(left, left[size], size); |
| 279 | if (!cand_up_left) { |
| 280 | left[-1] = left[0]; |
| 281 | } |
| 282 | if (!cand_up) |
| 283 | EXTEND(top, left[-1], size); |
| 284 | if (!cand_up_right) |
| 285 | EXTEND(top + size, top[size - 1], size); |
| 286 | |
| 287 | top[-1] = left[-1]; |
| 288 | |
| 289 | // Filtering process |
| 290 | if (!s->sps->intra_smoothing_disabled_flag && (c_idx == 0 || s->sps->chroma_format_idc == 3)) { |
| 291 | if (mode != INTRA_DC && size != 4){ |
| 292 | int intra_hor_ver_dist_thresh[] = { 7, 1, 0 }; |
| 293 | int min_dist_vert_hor = FFMIN(FFABS((int)(mode - 26U)), |
| 294 | FFABS((int)(mode - 10U))); |
| 295 | if (min_dist_vert_hor > intra_hor_ver_dist_thresh[log2_size - 3]) { |
| 296 | int threshold = 1 << (BIT_DEPTH - 5); |
| 297 | if (s->sps->sps_strong_intra_smoothing_enable_flag && c_idx == 0 && |
| 298 | log2_size == 5 && |
| 299 | FFABS(top[-1] + top[63] - 2 * top[31]) < threshold && |
| 300 | FFABS(left[-1] + left[63] - 2 * left[31]) < threshold) { |
| 301 | // We can't just overwrite values in top because it could be |
| 302 | // a pointer into src |
| 303 | filtered_top[-1] = top[-1]; |
| 304 | filtered_top[63] = top[63]; |
| 305 | for (i = 0; i < 63; i++) |
| 306 | filtered_top[i] = ((64 - (i + 1)) * top[-1] + |
| 307 | (i + 1) * top[63] + 32) >> 6; |
| 308 | for (i = 0; i < 63; i++) |
| 309 | left[i] = ((64 - (i + 1)) * left[-1] + |
| 310 | (i + 1) * left[63] + 32) >> 6; |
| 311 | top = filtered_top; |
| 312 | } else { |
| 313 | filtered_left[2 * size - 1] = left[2 * size - 1]; |
| 314 | filtered_top[2 * size - 1] = top[2 * size - 1]; |
| 315 | for (i = 2 * size - 2; i >= 0; i--) |
| 316 | filtered_left[i] = (left[i + 1] + 2 * left[i] + |
| 317 | left[i - 1] + 2) >> 2; |
| 318 | filtered_top[-1] = |
| 319 | filtered_left[-1] = (left[0] + 2 * left[-1] + top[0] + 2) >> 2; |
| 320 | for (i = 2 * size - 2; i >= 0; i--) |
| 321 | filtered_top[i] = (top[i + 1] + 2 * top[i] + |
| 322 | top[i - 1] + 2) >> 2; |
| 323 | left = filtered_left; |
| 324 | top = filtered_top; |
| 325 | } |
| 326 | } |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | switch (mode) { |
| 331 | case INTRA_PLANAR: |
| 332 | s->hpc.pred_planar[log2_size - 2]((uint8_t *)src, (uint8_t *)top, |
| 333 | (uint8_t *)left, stride); |
| 334 | break; |
| 335 | case INTRA_DC: |
| 336 | s->hpc.pred_dc((uint8_t *)src, (uint8_t *)top, |
| 337 | (uint8_t *)left, stride, log2_size, c_idx); |
| 338 | break; |
| 339 | default: |
| 340 | s->hpc.pred_angular[log2_size - 2]((uint8_t *)src, (uint8_t *)top, |
| 341 | (uint8_t *)left, stride, c_idx, |
| 342 | mode); |
| 343 | break; |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | #define INTRA_PRED(size) \ |
| 348 | static void FUNC(intra_pred_ ## size)(HEVCContext *s, int x0, int y0, int c_idx) \ |
| 349 | { \ |
| 350 | FUNC(intra_pred)(s, x0, y0, size, c_idx); \ |
| 351 | } |
| 352 | |
| 353 | INTRA_PRED(2) |
| 354 | INTRA_PRED(3) |
| 355 | INTRA_PRED(4) |
| 356 | INTRA_PRED(5) |
| 357 | |
| 358 | #undef INTRA_PRED |
| 359 | |
| 360 | static av_always_inline void FUNC(pred_planar)(uint8_t *_src, const uint8_t *_top, |
| 361 | const uint8_t *_left, ptrdiff_t stride, |
| 362 | int trafo_size) |
| 363 | { |
| 364 | int x, y; |
| 365 | pixel *src = (pixel *)_src; |
| 366 | const pixel *top = (const pixel *)_top; |
| 367 | const pixel *left = (const pixel *)_left; |
| 368 | int size = 1 << trafo_size; |
| 369 | for (y = 0; y < size; y++) |
| 370 | for (x = 0; x < size; x++) |
| 371 | POS(x, y) = ((size - 1 - x) * left[y] + (x + 1) * top[size] + |
| 372 | (size - 1 - y) * top[x] + (y + 1) * left[size] + size) >> (trafo_size + 1); |
| 373 | } |
| 374 | |
| 375 | #define PRED_PLANAR(size)\ |
| 376 | static void FUNC(pred_planar_ ## size)(uint8_t *src, const uint8_t *top, \ |
| 377 | const uint8_t *left, ptrdiff_t stride) \ |
| 378 | { \ |
| 379 | FUNC(pred_planar)(src, top, left, stride, size + 2); \ |
| 380 | } |
| 381 | |
| 382 | PRED_PLANAR(0) |
| 383 | PRED_PLANAR(1) |
| 384 | PRED_PLANAR(2) |
| 385 | PRED_PLANAR(3) |
| 386 | |
| 387 | #undef PRED_PLANAR |
| 388 | |
| 389 | static void FUNC(pred_dc)(uint8_t *_src, const uint8_t *_top, |
| 390 | const uint8_t *_left, |
| 391 | ptrdiff_t stride, int log2_size, int c_idx) |
| 392 | { |
| 393 | int i, j, x, y; |
| 394 | int size = (1 << log2_size); |
| 395 | pixel *src = (pixel *)_src; |
| 396 | const pixel *top = (const pixel *)_top; |
| 397 | const pixel *left = (const pixel *)_left; |
| 398 | int dc = size; |
| 399 | pixel4 a; |
| 400 | for (i = 0; i < size; i++) |
| 401 | dc += left[i] + top[i]; |
| 402 | |
| 403 | dc >>= log2_size + 1; |
| 404 | |
| 405 | a = PIXEL_SPLAT_X4(dc); |
| 406 | |
| 407 | for (i = 0; i < size; i++) |
| 408 | for (j = 0; j < size; j+=4) |
| 409 | AV_WN4P(&POS(j, i), a); |
| 410 | |
| 411 | if (c_idx == 0 && size < 32) { |
| 412 | POS(0, 0) = (left[0] + 2 * dc + top[0] + 2) >> 2; |
| 413 | for (x = 1; x < size; x++) |
| 414 | POS(x, 0) = (top[x] + 3 * dc + 2) >> 2; |
| 415 | for (y = 1; y < size; y++) |
| 416 | POS(0, y) = (left[y] + 3 * dc + 2) >> 2; |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | static av_always_inline void FUNC(pred_angular)(uint8_t *_src, |
| 421 | const uint8_t *_top, |
| 422 | const uint8_t *_left, |
| 423 | ptrdiff_t stride, int c_idx, |
| 424 | int mode, int size) |
| 425 | { |
| 426 | int x, y; |
| 427 | pixel *src = (pixel *)_src; |
| 428 | const pixel *top = (const pixel *)_top; |
| 429 | const pixel *left = (const pixel *)_left; |
| 430 | |
| 431 | static const int intra_pred_angle[] = { |
| 432 | 32, 26, 21, 17, 13, 9, 5, 2, 0, -2, -5, -9, -13, -17, -21, -26, -32, |
| 433 | -26, -21, -17, -13, -9, -5, -2, 0, 2, 5, 9, 13, 17, 21, 26, 32 |
| 434 | }; |
| 435 | static const int inv_angle[] = { |
| 436 | -4096, -1638, -910, -630, -482, -390, -315, -256, -315, -390, -482, |
| 437 | -630, -910, -1638, -4096 |
| 438 | }; |
| 439 | |
| 440 | int angle = intra_pred_angle[mode - 2]; |
| 441 | pixel ref_array[3 * MAX_TB_SIZE + 4]; |
| 442 | pixel *ref_tmp = ref_array + size; |
| 443 | const pixel *ref; |
| 444 | int last = (size * angle) >> 5; |
| 445 | |
| 446 | if (mode >= 18) { |
| 447 | ref = top - 1; |
| 448 | if (angle < 0 && last < -1) { |
| 449 | for (x = 0; x <= size; x += 4) |
| 450 | AV_WN4P(&ref_tmp[x], AV_RN4P(&top[x - 1])); |
| 451 | for (x = last; x <= -1; x++) |
| 452 | ref_tmp[x] = left[-1 + ((x * inv_angle[mode - 11] + 128) >> 8)]; |
| 453 | ref = ref_tmp; |
| 454 | } |
| 455 | |
| 456 | for (y = 0; y < size; y++) { |
| 457 | int idx = ((y + 1) * angle) >> 5; |
| 458 | int fact = ((y + 1) * angle) & 31; |
| 459 | if (fact) { |
| 460 | for (x = 0; x < size; x += 4) { |
| 461 | POS(x , y) = ((32 - fact) * ref[x + idx + 1] + |
| 462 | fact * ref[x + idx + 2] + 16) >> 5; |
| 463 | POS(x + 1, y) = ((32 - fact) * ref[x + 1 + idx + 1] + |
| 464 | fact * ref[x + 1 + idx + 2] + 16) >> 5; |
| 465 | POS(x + 2, y) = ((32 - fact) * ref[x + 2 + idx + 1] + |
| 466 | fact * ref[x + 2 + idx + 2] + 16) >> 5; |
| 467 | POS(x + 3, y) = ((32 - fact) * ref[x + 3 + idx + 1] + |
| 468 | fact * ref[x + 3 + idx + 2] + 16) >> 5; |
| 469 | } |
| 470 | } else { |
| 471 | for (x = 0; x < size; x += 4) |
| 472 | AV_WN4P(&POS(x, y), AV_RN4P(&ref[x + idx + 1])); |
| 473 | } |
| 474 | } |
| 475 | if (mode == 26 && c_idx == 0 && size < 32) { |
| 476 | for (y = 0; y < size; y++) |
| 477 | POS(0, y) = av_clip_pixel(top[0] + ((left[y] - left[-1]) >> 1)); |
| 478 | } |
| 479 | } else { |
| 480 | ref = left - 1; |
| 481 | if (angle < 0 && last < -1) { |
| 482 | for (x = 0; x <= size; x += 4) |
| 483 | AV_WN4P(&ref_tmp[x], AV_RN4P(&left[x - 1])); |
| 484 | for (x = last; x <= -1; x++) |
| 485 | ref_tmp[x] = top[-1 + ((x * inv_angle[mode - 11] + 128) >> 8)]; |
| 486 | ref = ref_tmp; |
| 487 | } |
| 488 | |
| 489 | for (x = 0; x < size; x++) { |
| 490 | int idx = ((x + 1) * angle) >> 5; |
| 491 | int fact = ((x + 1) * angle) & 31; |
| 492 | if (fact) { |
| 493 | for (y = 0; y < size; y++) { |
| 494 | POS(x, y) = ((32 - fact) * ref[y + idx + 1] + |
| 495 | fact * ref[y + idx + 2] + 16) >> 5; |
| 496 | } |
| 497 | } else { |
| 498 | for (y = 0; y < size; y++) |
| 499 | POS(x, y) = ref[y + idx + 1]; |
| 500 | } |
| 501 | } |
| 502 | if (mode == 10 && c_idx == 0 && size < 32) { |
| 503 | for (x = 0; x < size; x += 4) { |
| 504 | POS(x, 0) = av_clip_pixel(left[0] + ((top[x ] - top[-1]) >> 1)); |
| 505 | POS(x + 1, 0) = av_clip_pixel(left[0] + ((top[x + 1] - top[-1]) >> 1)); |
| 506 | POS(x + 2, 0) = av_clip_pixel(left[0] + ((top[x + 2] - top[-1]) >> 1)); |
| 507 | POS(x + 3, 0) = av_clip_pixel(left[0] + ((top[x + 3] - top[-1]) >> 1)); |
| 508 | } |
| 509 | } |
| 510 | } |
| 511 | } |
| 512 | |
| 513 | static void FUNC(pred_angular_0)(uint8_t *src, const uint8_t *top, |
| 514 | const uint8_t *left, |
| 515 | ptrdiff_t stride, int c_idx, int mode) |
| 516 | { |
| 517 | FUNC(pred_angular)(src, top, left, stride, c_idx, mode, 1 << 2); |
| 518 | } |
| 519 | |
| 520 | static void FUNC(pred_angular_1)(uint8_t *src, const uint8_t *top, |
| 521 | const uint8_t *left, |
| 522 | ptrdiff_t stride, int c_idx, int mode) |
| 523 | { |
| 524 | FUNC(pred_angular)(src, top, left, stride, c_idx, mode, 1 << 3); |
| 525 | } |
| 526 | |
| 527 | static void FUNC(pred_angular_2)(uint8_t *src, const uint8_t *top, |
| 528 | const uint8_t *left, |
| 529 | ptrdiff_t stride, int c_idx, int mode) |
| 530 | { |
| 531 | FUNC(pred_angular)(src, top, left, stride, c_idx, mode, 1 << 4); |
| 532 | } |
| 533 | |
| 534 | static void FUNC(pred_angular_3)(uint8_t *src, const uint8_t *top, |
| 535 | const uint8_t *left, |
| 536 | ptrdiff_t stride, int c_idx, int mode) |
| 537 | { |
| 538 | FUNC(pred_angular)(src, top, left, stride, c_idx, mode, 1 << 5); |
| 539 | } |
| 540 | |
| 541 | #undef EXTEND_LEFT_CIP |
| 542 | #undef EXTEND_RIGHT_CIP |
| 543 | #undef EXTEND_UP_CIP |
| 544 | #undef EXTEND_DOWN_CIP |
| 545 | #undef IS_INTRA |
| 546 | #undef MVF_PU |
| 547 | #undef MVF |
| 548 | #undef PU |
| 549 | #undef EXTEND |
| 550 | #undef MIN_TB_ADDR_ZS |
| 551 | #undef POS |