michael@0: /* michael@0: * Copyright (c) 2010 The WebM project authors. All Rights Reserved. michael@0: * michael@0: * Use of this source code is governed by a BSD-style license michael@0: * that can be found in the LICENSE file in the root of the source michael@0: * tree. An additional intellectual property rights grant can be found michael@0: * in the file PATENTS. All contributing project authors may michael@0: * be found in the AUTHORS file in the root of the source tree. michael@0: */ michael@0: michael@0: #include "./vpx_config.h" michael@0: michael@0: #include "vpx_mem/vpx_mem.h" michael@0: #include "vpx_ports/vpx_once.h" michael@0: michael@0: #include "./vp9_rtcd.h" michael@0: michael@0: #include "vp9/common/vp9_reconintra.h" michael@0: #include "vp9/common/vp9_onyxc_int.h" michael@0: michael@0: const TX_TYPE mode2txfm_map[MB_MODE_COUNT] = { michael@0: DCT_DCT, // DC michael@0: ADST_DCT, // V michael@0: DCT_ADST, // H michael@0: DCT_DCT, // D45 michael@0: ADST_ADST, // D135 michael@0: ADST_DCT, // D117 michael@0: DCT_ADST, // D153 michael@0: DCT_ADST, // D207 michael@0: ADST_DCT, // D63 michael@0: ADST_ADST, // TM michael@0: DCT_DCT, // NEARESTMV michael@0: DCT_DCT, // NEARMV michael@0: DCT_DCT, // ZEROMV michael@0: DCT_DCT // NEWMV michael@0: }; michael@0: michael@0: #define intra_pred_sized(type, size) \ michael@0: void vp9_##type##_predictor_##size##x##size##_c(uint8_t *dst, \ michael@0: ptrdiff_t stride, \ michael@0: const uint8_t *above, \ michael@0: const uint8_t *left) { \ michael@0: type##_predictor(dst, stride, size, above, left); \ michael@0: } michael@0: michael@0: #define intra_pred_allsizes(type) \ michael@0: intra_pred_sized(type, 4) \ michael@0: intra_pred_sized(type, 8) \ michael@0: intra_pred_sized(type, 16) \ michael@0: intra_pred_sized(type, 32) michael@0: michael@0: static INLINE void d207_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int r, c; michael@0: michael@0: // first column michael@0: for (r = 0; r < bs - 1; ++r) michael@0: dst[r * stride] = ROUND_POWER_OF_TWO(left[r] + left[r + 1], 1); michael@0: dst[(bs - 1) * stride] = left[bs - 1]; michael@0: dst++; michael@0: michael@0: // second column michael@0: for (r = 0; r < bs - 2; ++r) michael@0: dst[r * stride] = ROUND_POWER_OF_TWO(left[r] + left[r + 1] * 2 + michael@0: left[r + 2], 2); michael@0: dst[(bs - 2) * stride] = ROUND_POWER_OF_TWO(left[bs - 2] + michael@0: left[bs - 1] * 3, 2); michael@0: dst[(bs - 1) * stride] = left[bs - 1]; michael@0: dst++; michael@0: michael@0: // rest of last row michael@0: for (c = 0; c < bs - 2; ++c) michael@0: dst[(bs - 1) * stride + c] = left[bs - 1]; michael@0: michael@0: for (r = bs - 2; r >= 0; --r) michael@0: for (c = 0; c < bs - 2; ++c) michael@0: dst[r * stride + c] = dst[(r + 1) * stride + c - 2]; michael@0: } michael@0: intra_pred_allsizes(d207) michael@0: michael@0: static INLINE void d63_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int r, c; michael@0: for (r = 0; r < bs; ++r) { michael@0: for (c = 0; c < bs; ++c) michael@0: dst[c] = r & 1 ? ROUND_POWER_OF_TWO(above[r/2 + c] + michael@0: above[r/2 + c + 1] * 2 + michael@0: above[r/2 + c + 2], 2) michael@0: : ROUND_POWER_OF_TWO(above[r/2 + c] + michael@0: above[r/2 + c + 1], 1); michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(d63) michael@0: michael@0: static INLINE void d45_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int r, c; michael@0: for (r = 0; r < bs; ++r) { michael@0: for (c = 0; c < bs; ++c) michael@0: dst[c] = r + c + 2 < bs * 2 ? ROUND_POWER_OF_TWO(above[r + c] + michael@0: above[r + c + 1] * 2 + michael@0: above[r + c + 2], 2) michael@0: : above[bs * 2 - 1]; michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(d45) michael@0: michael@0: static INLINE void d117_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int r, c; michael@0: michael@0: // first row michael@0: for (c = 0; c < bs; c++) michael@0: dst[c] = ROUND_POWER_OF_TWO(above[c - 1] + above[c], 1); michael@0: dst += stride; michael@0: michael@0: // second row michael@0: dst[0] = ROUND_POWER_OF_TWO(left[0] + above[-1] * 2 + above[0], 2); michael@0: for (c = 1; c < bs; c++) michael@0: dst[c] = ROUND_POWER_OF_TWO(above[c - 2] + above[c - 1] * 2 + above[c], 2); michael@0: dst += stride; michael@0: michael@0: // the rest of first col michael@0: dst[0] = ROUND_POWER_OF_TWO(above[-1] + left[0] * 2 + left[1], 2); michael@0: for (r = 3; r < bs; ++r) michael@0: dst[(r - 2) * stride] = ROUND_POWER_OF_TWO(left[r - 3] + left[r - 2] * 2 + michael@0: left[r - 1], 2); michael@0: michael@0: // the rest of the block michael@0: for (r = 2; r < bs; ++r) { michael@0: for (c = 1; c < bs; c++) michael@0: dst[c] = dst[-2 * stride + c - 1]; michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(d117) michael@0: michael@0: static INLINE void d135_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int r, c; michael@0: dst[0] = ROUND_POWER_OF_TWO(left[0] + above[-1] * 2 + above[0], 2); michael@0: for (c = 1; c < bs; c++) michael@0: dst[c] = ROUND_POWER_OF_TWO(above[c - 2] + above[c - 1] * 2 + above[c], 2); michael@0: michael@0: dst[stride] = ROUND_POWER_OF_TWO(above[-1] + left[0] * 2 + left[1], 2); michael@0: for (r = 2; r < bs; ++r) michael@0: dst[r * stride] = ROUND_POWER_OF_TWO(left[r - 2] + left[r - 1] * 2 + michael@0: left[r], 2); michael@0: michael@0: dst += stride; michael@0: for (r = 1; r < bs; ++r) { michael@0: for (c = 1; c < bs; c++) michael@0: dst[c] = dst[-stride + c - 1]; michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(d135) michael@0: michael@0: static INLINE void d153_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int r, c; michael@0: dst[0] = ROUND_POWER_OF_TWO(above[-1] + left[0], 1); michael@0: for (r = 1; r < bs; r++) michael@0: dst[r * stride] = ROUND_POWER_OF_TWO(left[r - 1] + left[r], 1); michael@0: dst++; michael@0: michael@0: dst[0] = ROUND_POWER_OF_TWO(left[0] + above[-1] * 2 + above[0], 2); michael@0: dst[stride] = ROUND_POWER_OF_TWO(above[-1] + left[0] * 2 + left[1], 2); michael@0: for (r = 2; r < bs; r++) michael@0: dst[r * stride] = ROUND_POWER_OF_TWO(left[r - 2] + left[r - 1] * 2 + michael@0: left[r], 2); michael@0: dst++; michael@0: michael@0: for (c = 0; c < bs - 2; c++) michael@0: dst[c] = ROUND_POWER_OF_TWO(above[c - 1] + above[c] * 2 + above[c + 1], 2); michael@0: dst += stride; michael@0: michael@0: for (r = 1; r < bs; ++r) { michael@0: for (c = 0; c < bs - 2; c++) michael@0: dst[c] = dst[-stride + c - 2]; michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(d153) michael@0: michael@0: static INLINE void v_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int r; michael@0: michael@0: for (r = 0; r < bs; r++) { michael@0: vpx_memcpy(dst, above, bs); michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(v) michael@0: michael@0: static INLINE void h_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int r; michael@0: michael@0: for (r = 0; r < bs; r++) { michael@0: vpx_memset(dst, left[r], bs); michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(h) michael@0: michael@0: static INLINE void tm_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int r, c; michael@0: int ytop_left = above[-1]; michael@0: michael@0: for (r = 0; r < bs; r++) { michael@0: for (c = 0; c < bs; c++) michael@0: dst[c] = clip_pixel(left[r] + above[c] - ytop_left); michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(tm) michael@0: michael@0: static INLINE void dc_128_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int r; michael@0: michael@0: for (r = 0; r < bs; r++) { michael@0: vpx_memset(dst, 128, bs); michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(dc_128) michael@0: michael@0: static INLINE void dc_left_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, michael@0: const uint8_t *left) { michael@0: int i, r, expected_dc, sum = 0; michael@0: michael@0: for (i = 0; i < bs; i++) michael@0: sum += left[i]; michael@0: expected_dc = (sum + (bs >> 1)) / bs; michael@0: michael@0: for (r = 0; r < bs; r++) { michael@0: vpx_memset(dst, expected_dc, bs); michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(dc_left) michael@0: michael@0: static INLINE void dc_top_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int i, r, expected_dc, sum = 0; michael@0: michael@0: for (i = 0; i < bs; i++) michael@0: sum += above[i]; michael@0: expected_dc = (sum + (bs >> 1)) / bs; michael@0: michael@0: for (r = 0; r < bs; r++) { michael@0: vpx_memset(dst, expected_dc, bs); michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(dc_top) michael@0: michael@0: static INLINE void dc_predictor(uint8_t *dst, ptrdiff_t stride, int bs, michael@0: const uint8_t *above, const uint8_t *left) { michael@0: int i, r, expected_dc, sum = 0; michael@0: const int count = 2 * bs; michael@0: michael@0: for (i = 0; i < bs; i++) { michael@0: sum += above[i]; michael@0: sum += left[i]; michael@0: } michael@0: michael@0: expected_dc = (sum + (count >> 1)) / count; michael@0: michael@0: for (r = 0; r < bs; r++) { michael@0: vpx_memset(dst, expected_dc, bs); michael@0: dst += stride; michael@0: } michael@0: } michael@0: intra_pred_allsizes(dc) michael@0: #undef intra_pred_allsizes michael@0: michael@0: typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride, michael@0: const uint8_t *above, const uint8_t *left); michael@0: michael@0: static intra_pred_fn pred[INTRA_MODES][4]; michael@0: static intra_pred_fn dc_pred[2][2][4]; michael@0: michael@0: static void init_intra_pred_fn_ptrs(void) { michael@0: #define intra_pred_allsizes(l, type) \ michael@0: l[0] = vp9_##type##_predictor_4x4; \ michael@0: l[1] = vp9_##type##_predictor_8x8; \ michael@0: l[2] = vp9_##type##_predictor_16x16; \ michael@0: l[3] = vp9_##type##_predictor_32x32 michael@0: michael@0: intra_pred_allsizes(pred[V_PRED], v); michael@0: intra_pred_allsizes(pred[H_PRED], h); michael@0: intra_pred_allsizes(pred[D207_PRED], d207); michael@0: intra_pred_allsizes(pred[D45_PRED], d45); michael@0: intra_pred_allsizes(pred[D63_PRED], d63); michael@0: intra_pred_allsizes(pred[D117_PRED], d117); michael@0: intra_pred_allsizes(pred[D135_PRED], d135); michael@0: intra_pred_allsizes(pred[D153_PRED], d153); michael@0: intra_pred_allsizes(pred[TM_PRED], tm); michael@0: michael@0: intra_pred_allsizes(dc_pred[0][0], dc_128); michael@0: intra_pred_allsizes(dc_pred[0][1], dc_top); michael@0: intra_pred_allsizes(dc_pred[1][0], dc_left); michael@0: intra_pred_allsizes(dc_pred[1][1], dc); michael@0: michael@0: #undef intra_pred_allsizes michael@0: } michael@0: michael@0: static void build_intra_predictors(const uint8_t *ref, int ref_stride, michael@0: uint8_t *dst, int dst_stride, michael@0: MB_PREDICTION_MODE mode, TX_SIZE tx_size, michael@0: int up_available, int left_available, michael@0: int right_available) { michael@0: int i; michael@0: DECLARE_ALIGNED_ARRAY(16, uint8_t, left_col, 64); michael@0: DECLARE_ALIGNED_ARRAY(16, uint8_t, above_data, 128 + 16); michael@0: uint8_t *above_row = above_data + 16; michael@0: const uint8_t *const_above_row = above_row; michael@0: const int bs = 4 << tx_size; michael@0: michael@0: // 127 127 127 .. 127 127 127 127 127 127 michael@0: // 129 A B .. Y Z michael@0: // 129 C D .. W X michael@0: // 129 E F .. U V michael@0: // 129 G H .. S T T T T T michael@0: // .. michael@0: michael@0: once(init_intra_pred_fn_ptrs); michael@0: michael@0: // left michael@0: if (left_available) { michael@0: for (i = 0; i < bs; i++) michael@0: left_col[i] = ref[i * ref_stride - 1]; michael@0: } else { michael@0: vpx_memset(left_col, 129, bs); michael@0: } michael@0: michael@0: // above michael@0: if (up_available) { michael@0: const uint8_t *above_ref = ref - ref_stride; michael@0: if (bs == 4 && right_available && left_available) { michael@0: const_above_row = above_ref; michael@0: } else { michael@0: vpx_memcpy(above_row, above_ref, bs); michael@0: if (bs == 4 && right_available) michael@0: vpx_memcpy(above_row + bs, above_ref + bs, bs); michael@0: else michael@0: vpx_memset(above_row + bs, above_row[bs - 1], bs); michael@0: above_row[-1] = left_available ? above_ref[-1] : 129; michael@0: } michael@0: } else { michael@0: vpx_memset(above_row, 127, bs * 2); michael@0: above_row[-1] = 127; michael@0: } michael@0: michael@0: // predict michael@0: if (mode == DC_PRED) { michael@0: dc_pred[left_available][up_available][tx_size](dst, dst_stride, michael@0: const_above_row, left_col); michael@0: } else { michael@0: pred[mode][tx_size](dst, dst_stride, const_above_row, left_col); michael@0: } michael@0: } michael@0: michael@0: void vp9_predict_intra_block(const MACROBLOCKD *xd, int block_idx, int bwl_in, michael@0: TX_SIZE tx_size, int mode, michael@0: const uint8_t *ref, int ref_stride, michael@0: uint8_t *dst, int dst_stride) { michael@0: const int bwl = bwl_in - tx_size; michael@0: const int wmask = (1 << bwl) - 1; michael@0: const int have_top = (block_idx >> bwl) || xd->up_available; michael@0: const int have_left = (block_idx & wmask) || xd->left_available; michael@0: const int have_right = ((block_idx & wmask) != wmask); michael@0: michael@0: assert(bwl >= 0); michael@0: build_intra_predictors(ref, ref_stride, dst, dst_stride, mode, tx_size, michael@0: have_top, have_left, have_right); michael@0: }