1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "./vpx_config.h" 12 #include "./vpx_dsp_rtcd.h" 13 14 #if CONFIG_VP9_HIGHBITDEPTH 15 #include "vpx_dsp/vpx_dsp_common.h" 16 #endif // CONFIG_VP9_HIGHBITDEPTH 17 #include "vpx_mem/vpx_mem.h" 18 #include "vpx_ports/mem.h" 19 #include "vpx_ports/vpx_once.h" 20 21 #include "vp9/common/vp9_reconintra.h" 22 #include "vp9/common/vp9_onyxc_int.h" 23 24 const TX_TYPE intra_mode_to_tx_type_lookup[INTRA_MODES] = { 25 DCT_DCT, // DC 26 ADST_DCT, // V 27 DCT_ADST, // H 28 DCT_DCT, // D45 29 ADST_ADST, // D135 30 ADST_DCT, // D117 31 DCT_ADST, // D153 32 DCT_ADST, // D207 33 ADST_DCT, // D63 34 ADST_ADST, // TM 35 }; 36 37 enum { 38 NEED_LEFT = 1 << 1, 39 NEED_ABOVE = 1 << 2, 40 NEED_ABOVERIGHT = 1 << 3, 41 }; 42 43 static const uint8_t extend_modes[INTRA_MODES] = { 44 NEED_ABOVE | NEED_LEFT, // DC 45 NEED_ABOVE, // V 46 NEED_LEFT, // H 47 NEED_ABOVERIGHT, // D45 48 NEED_LEFT | NEED_ABOVE, // D135 49 NEED_LEFT | NEED_ABOVE, // D117 50 NEED_LEFT | NEED_ABOVE, // D153 51 NEED_LEFT, // D207 52 NEED_ABOVERIGHT, // D63 53 NEED_LEFT | NEED_ABOVE, // TM 54 }; 55 56 typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride, 57 const uint8_t *above, const uint8_t *left); 58 59 static intra_pred_fn pred[INTRA_MODES][TX_SIZES]; 60 static intra_pred_fn dc_pred[2][2][TX_SIZES]; 61 62 #if CONFIG_VP9_HIGHBITDEPTH 63 typedef void (*intra_high_pred_fn)(uint16_t *dst, ptrdiff_t stride, 64 const uint16_t *above, const uint16_t *left, 65 int bd); 66 static intra_high_pred_fn pred_high[INTRA_MODES][4]; 67 static intra_high_pred_fn dc_pred_high[2][2][4]; 68 #endif // CONFIG_VP9_HIGHBITDEPTH 69 70 static void vp9_init_intra_predictors_internal(void) { 71 #define INIT_ALL_SIZES(p, type) \ 72 p[TX_4X4] = vpx_##type##_predictor_4x4; \ 73 p[TX_8X8] = vpx_##type##_predictor_8x8; \ 74 p[TX_16X16] = vpx_##type##_predictor_16x16; \ 75 p[TX_32X32] = vpx_##type##_predictor_32x32 76 77 INIT_ALL_SIZES(pred[V_PRED], v); 78 INIT_ALL_SIZES(pred[H_PRED], h); 79 INIT_ALL_SIZES(pred[D207_PRED], d207); 80 INIT_ALL_SIZES(pred[D45_PRED], d45); 81 INIT_ALL_SIZES(pred[D63_PRED], d63); 82 INIT_ALL_SIZES(pred[D117_PRED], d117); 83 INIT_ALL_SIZES(pred[D135_PRED], d135); 84 INIT_ALL_SIZES(pred[D153_PRED], d153); 85 INIT_ALL_SIZES(pred[TM_PRED], tm); 86 87 INIT_ALL_SIZES(dc_pred[0][0], dc_128); 88 INIT_ALL_SIZES(dc_pred[0][1], dc_top); 89 INIT_ALL_SIZES(dc_pred[1][0], dc_left); 90 INIT_ALL_SIZES(dc_pred[1][1], dc); 91 92 #if CONFIG_VP9_HIGHBITDEPTH 93 INIT_ALL_SIZES(pred_high[V_PRED], highbd_v); 94 INIT_ALL_SIZES(pred_high[H_PRED], highbd_h); 95 INIT_ALL_SIZES(pred_high[D207_PRED], highbd_d207); 96 INIT_ALL_SIZES(pred_high[D45_PRED], highbd_d45); 97 INIT_ALL_SIZES(pred_high[D63_PRED], highbd_d63); 98 INIT_ALL_SIZES(pred_high[D117_PRED], highbd_d117); 99 INIT_ALL_SIZES(pred_high[D135_PRED], highbd_d135); 100 INIT_ALL_SIZES(pred_high[D153_PRED], highbd_d153); 101 INIT_ALL_SIZES(pred_high[TM_PRED], highbd_tm); 102 103 INIT_ALL_SIZES(dc_pred_high[0][0], highbd_dc_128); 104 INIT_ALL_SIZES(dc_pred_high[0][1], highbd_dc_top); 105 INIT_ALL_SIZES(dc_pred_high[1][0], highbd_dc_left); 106 INIT_ALL_SIZES(dc_pred_high[1][1], highbd_dc); 107 #endif // CONFIG_VP9_HIGHBITDEPTH 108 109 #undef intra_pred_allsizes 110 } 111 112 #if CONFIG_VP9_HIGHBITDEPTH 113 static void build_intra_predictors_high( 114 const MACROBLOCKD *xd, const uint8_t *ref8, int ref_stride, uint8_t *dst8, 115 int dst_stride, PREDICTION_MODE mode, TX_SIZE tx_size, int up_available, 116 int left_available, int right_available, int x, int y, int plane, int bd) { 117 int i; 118 uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); 119 uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); 120 DECLARE_ALIGNED(16, uint16_t, left_col[32]); 121 DECLARE_ALIGNED(16, uint16_t, above_data[64 + 16]); 122 uint16_t *above_row = above_data + 16; 123 const uint16_t *const_above_row = above_row; 124 const int bs = 4 << tx_size; 125 int frame_width, frame_height; 126 int x0, y0; 127 const struct macroblockd_plane *const pd = &xd->plane[plane]; 128 const int need_left = extend_modes[mode] & NEED_LEFT; 129 const int need_above = extend_modes[mode] & NEED_ABOVE; 130 const int need_aboveright = extend_modes[mode] & NEED_ABOVERIGHT; 131 int base = 128 << (bd - 8); 132 // 127 127 127 .. 127 127 127 127 127 127 133 // 129 A B .. Y Z 134 // 129 C D .. W X 135 // 129 E F .. U V 136 // 129 G H .. S T T T T T 137 // For 10 bit and 12 bit, 127 and 129 are replaced by base -1 and base + 1. 138 139 // Get current frame pointer, width and height. 140 if (plane == 0) { 141 frame_width = xd->cur_buf->y_width; 142 frame_height = xd->cur_buf->y_height; 143 } else { 144 frame_width = xd->cur_buf->uv_width; 145 frame_height = xd->cur_buf->uv_height; 146 } 147 148 // Get block position in current frame. 149 x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x; 150 y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y; 151 152 // NEED_LEFT 153 if (need_left) { 154 if (left_available) { 155 if (xd->mb_to_bottom_edge < 0) { 156 /* slower path if the block needs border extension */ 157 if (y0 + bs <= frame_height) { 158 for (i = 0; i < bs; ++i) left_col[i] = ref[i * ref_stride - 1]; 159 } else { 160 const int extend_bottom = frame_height - y0; 161 for (i = 0; i < extend_bottom; ++i) 162 left_col[i] = ref[i * ref_stride - 1]; 163 for (; i < bs; ++i) 164 left_col[i] = ref[(extend_bottom - 1) * ref_stride - 1]; 165 } 166 } else { 167 /* faster path if the block does not need extension */ 168 for (i = 0; i < bs; ++i) left_col[i] = ref[i * ref_stride - 1]; 169 } 170 } else { 171 vpx_memset16(left_col, base + 1, bs); 172 } 173 } 174 175 // NEED_ABOVE 176 if (need_above) { 177 if (up_available) { 178 const uint16_t *above_ref = ref - ref_stride; 179 if (xd->mb_to_right_edge < 0) { 180 /* slower path if the block needs border extension */ 181 if (x0 + bs <= frame_width) { 182 memcpy(above_row, above_ref, bs * sizeof(above_row[0])); 183 } else if (x0 <= frame_width) { 184 const int r = frame_width - x0; 185 memcpy(above_row, above_ref, r * sizeof(above_row[0])); 186 vpx_memset16(above_row + r, above_row[r - 1], x0 + bs - frame_width); 187 } 188 } else { 189 /* faster path if the block does not need extension */ 190 if (bs == 4 && right_available && left_available) { 191 const_above_row = above_ref; 192 } else { 193 memcpy(above_row, above_ref, bs * sizeof(above_row[0])); 194 } 195 } 196 above_row[-1] = left_available ? above_ref[-1] : (base + 1); 197 } else { 198 vpx_memset16(above_row, base - 1, bs); 199 above_row[-1] = base - 1; 200 } 201 } 202 203 // NEED_ABOVERIGHT 204 if (need_aboveright) { 205 if (up_available) { 206 const uint16_t *above_ref = ref - ref_stride; 207 if (xd->mb_to_right_edge < 0) { 208 /* slower path if the block needs border extension */ 209 if (x0 + 2 * bs <= frame_width) { 210 if (right_available && bs == 4) { 211 memcpy(above_row, above_ref, 2 * bs * sizeof(above_row[0])); 212 } else { 213 memcpy(above_row, above_ref, bs * sizeof(above_row[0])); 214 vpx_memset16(above_row + bs, above_row[bs - 1], bs); 215 } 216 } else if (x0 + bs <= frame_width) { 217 const int r = frame_width - x0; 218 if (right_available && bs == 4) { 219 memcpy(above_row, above_ref, r * sizeof(above_row[0])); 220 vpx_memset16(above_row + r, above_row[r - 1], 221 x0 + 2 * bs - frame_width); 222 } else { 223 memcpy(above_row, above_ref, bs * sizeof(above_row[0])); 224 vpx_memset16(above_row + bs, above_row[bs - 1], bs); 225 } 226 } else if (x0 <= frame_width) { 227 const int r = frame_width - x0; 228 memcpy(above_row, above_ref, r * sizeof(above_row[0])); 229 vpx_memset16(above_row + r, above_row[r - 1], 230 x0 + 2 * bs - frame_width); 231 } 232 above_row[-1] = left_available ? above_ref[-1] : (base + 1); 233 } else { 234 /* faster path if the block does not need extension */ 235 if (bs == 4 && right_available && left_available) { 236 const_above_row = above_ref; 237 } else { 238 memcpy(above_row, above_ref, bs * sizeof(above_row[0])); 239 if (bs == 4 && right_available) 240 memcpy(above_row + bs, above_ref + bs, bs * sizeof(above_row[0])); 241 else 242 vpx_memset16(above_row + bs, above_row[bs - 1], bs); 243 above_row[-1] = left_available ? above_ref[-1] : (base + 1); 244 } 245 } 246 } else { 247 vpx_memset16(above_row, base - 1, bs * 2); 248 above_row[-1] = base - 1; 249 } 250 } 251 252 // predict 253 if (mode == DC_PRED) { 254 dc_pred_high[left_available][up_available][tx_size]( 255 dst, dst_stride, const_above_row, left_col, xd->bd); 256 } else { 257 pred_high[mode][tx_size](dst, dst_stride, const_above_row, left_col, 258 xd->bd); 259 } 260 } 261 #endif // CONFIG_VP9_HIGHBITDEPTH 262 263 static void build_intra_predictors(const MACROBLOCKD *xd, const uint8_t *ref, 264 int ref_stride, uint8_t *dst, int dst_stride, 265 PREDICTION_MODE mode, TX_SIZE tx_size, 266 int up_available, int left_available, 267 int right_available, int x, int y, 268 int plane) { 269 int i; 270 DECLARE_ALIGNED(16, uint8_t, left_col[32]); 271 DECLARE_ALIGNED(16, uint8_t, above_data[64 + 16]); 272 uint8_t *above_row = above_data + 16; 273 const uint8_t *const_above_row = above_row; 274 const int bs = 4 << tx_size; 275 int frame_width, frame_height; 276 int x0, y0; 277 const struct macroblockd_plane *const pd = &xd->plane[plane]; 278 279 // 127 127 127 .. 127 127 127 127 127 127 280 // 129 A B .. Y Z 281 // 129 C D .. W X 282 // 129 E F .. U V 283 // 129 G H .. S T T T T T 284 // .. 285 286 // Get current frame pointer, width and height. 287 if (plane == 0) { 288 frame_width = xd->cur_buf->y_width; 289 frame_height = xd->cur_buf->y_height; 290 } else { 291 frame_width = xd->cur_buf->uv_width; 292 frame_height = xd->cur_buf->uv_height; 293 } 294 295 // Get block position in current frame. 296 x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x; 297 y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y; 298 299 // NEED_LEFT 300 if (extend_modes[mode] & NEED_LEFT) { 301 if (left_available) { 302 if (xd->mb_to_bottom_edge < 0) { 303 /* slower path if the block needs border extension */ 304 if (y0 + bs <= frame_height) { 305 for (i = 0; i < bs; ++i) left_col[i] = ref[i * ref_stride - 1]; 306 } else { 307 const int extend_bottom = frame_height - y0; 308 for (i = 0; i < extend_bottom; ++i) 309 left_col[i] = ref[i * ref_stride - 1]; 310 for (; i < bs; ++i) 311 left_col[i] = ref[(extend_bottom - 1) * ref_stride - 1]; 312 } 313 } else { 314 /* faster path if the block does not need extension */ 315 for (i = 0; i < bs; ++i) left_col[i] = ref[i * ref_stride - 1]; 316 } 317 } else { 318 memset(left_col, 129, bs); 319 } 320 } 321 322 // NEED_ABOVE 323 if (extend_modes[mode] & NEED_ABOVE) { 324 if (up_available) { 325 const uint8_t *above_ref = ref - ref_stride; 326 if (xd->mb_to_right_edge < 0) { 327 /* slower path if the block needs border extension */ 328 if (x0 + bs <= frame_width) { 329 memcpy(above_row, above_ref, bs); 330 } else if (x0 <= frame_width) { 331 const int r = frame_width - x0; 332 memcpy(above_row, above_ref, r); 333 memset(above_row + r, above_row[r - 1], x0 + bs - frame_width); 334 } 335 } else { 336 /* faster path if the block does not need extension */ 337 if (bs == 4 && right_available && left_available) { 338 const_above_row = above_ref; 339 } else { 340 memcpy(above_row, above_ref, bs); 341 } 342 } 343 above_row[-1] = left_available ? above_ref[-1] : 129; 344 } else { 345 memset(above_row, 127, bs); 346 above_row[-1] = 127; 347 } 348 } 349 350 // NEED_ABOVERIGHT 351 if (extend_modes[mode] & NEED_ABOVERIGHT) { 352 if (up_available) { 353 const uint8_t *above_ref = ref - ref_stride; 354 if (xd->mb_to_right_edge < 0) { 355 /* slower path if the block needs border extension */ 356 if (x0 + 2 * bs <= frame_width) { 357 if (right_available && bs == 4) { 358 memcpy(above_row, above_ref, 2 * bs); 359 } else { 360 memcpy(above_row, above_ref, bs); 361 memset(above_row + bs, above_row[bs - 1], bs); 362 } 363 } else if (x0 + bs <= frame_width) { 364 const int r = frame_width - x0; 365 if (right_available && bs == 4) { 366 memcpy(above_row, above_ref, r); 367 memset(above_row + r, above_row[r - 1], x0 + 2 * bs - frame_width); 368 } else { 369 memcpy(above_row, above_ref, bs); 370 memset(above_row + bs, above_row[bs - 1], bs); 371 } 372 } else if (x0 <= frame_width) { 373 const int r = frame_width - x0; 374 memcpy(above_row, above_ref, r); 375 memset(above_row + r, above_row[r - 1], x0 + 2 * bs - frame_width); 376 } 377 } else { 378 /* faster path if the block does not need extension */ 379 if (bs == 4 && right_available && left_available) { 380 const_above_row = above_ref; 381 } else { 382 memcpy(above_row, above_ref, bs); 383 if (bs == 4 && right_available) 384 memcpy(above_row + bs, above_ref + bs, bs); 385 else 386 memset(above_row + bs, above_row[bs - 1], bs); 387 } 388 } 389 above_row[-1] = left_available ? above_ref[-1] : 129; 390 } else { 391 memset(above_row, 127, bs * 2); 392 above_row[-1] = 127; 393 } 394 } 395 396 // predict 397 if (mode == DC_PRED) { 398 dc_pred[left_available][up_available][tx_size](dst, dst_stride, 399 const_above_row, left_col); 400 } else { 401 pred[mode][tx_size](dst, dst_stride, const_above_row, left_col); 402 } 403 } 404 405 void vp9_predict_intra_block(const MACROBLOCKD *xd, int bwl_in, TX_SIZE tx_size, 406 PREDICTION_MODE mode, const uint8_t *ref, 407 int ref_stride, uint8_t *dst, int dst_stride, 408 int aoff, int loff, int plane) { 409 const int bw = (1 << bwl_in); 410 const int txw = (1 << tx_size); 411 const int have_top = loff || (xd->above_mi != NULL); 412 const int have_left = aoff || (xd->left_mi != NULL); 413 const int have_right = (aoff + txw) < bw; 414 const int x = aoff * 4; 415 const int y = loff * 4; 416 417 #if CONFIG_VP9_HIGHBITDEPTH 418 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 419 build_intra_predictors_high(xd, ref, ref_stride, dst, dst_stride, mode, 420 tx_size, have_top, have_left, have_right, x, y, 421 plane, xd->bd); 422 return; 423 } 424 #endif 425 build_intra_predictors(xd, ref, ref_stride, dst, dst_stride, mode, tx_size, 426 have_top, have_left, have_right, x, y, plane); 427 } 428 429 void vp9_init_intra_predictors(void) { 430 once(vp9_init_intra_predictors_internal); 431 } 432
