| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include "./aom_config.h" |
| #include "./aom_dsp_rtcd.h" |
| |
| #include "aom_dsp/aom_dsp_common.h" |
| #include "aom_mem/aom_mem.h" |
| |
| #define DST(x, y) dst[(x) + (y)*stride] |
| #define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2) >> 2) |
| #define AVG2(a, b) (((a) + (b) + 1) >> 1) |
| |
| static INLINE void d207_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r, c; |
| (void)above; |
| // first column |
| for (r = 0; r < bs - 1; ++r) dst[r * stride] = AVG2(left[r], left[r + 1]); |
| dst[(bs - 1) * stride] = left[bs - 1]; |
| dst++; |
| |
| // second column |
| for (r = 0; r < bs - 2; ++r) |
| dst[r * stride] = AVG3(left[r], left[r + 1], left[r + 2]); |
| dst[(bs - 2) * stride] = AVG3(left[bs - 2], left[bs - 1], left[bs - 1]); |
| dst[(bs - 1) * stride] = left[bs - 1]; |
| dst++; |
| |
| // rest of last row |
| for (c = 0; c < bs - 2; ++c) dst[(bs - 1) * stride + c] = left[bs - 1]; |
| |
| for (r = bs - 2; r >= 0; --r) |
| for (c = 0; c < bs - 2; ++c) |
| dst[r * stride + c] = dst[(r + 1) * stride + c - 2]; |
| } |
| |
| static INLINE void d207e_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r, c; |
| (void)above; |
| |
| for (r = 0; r < bs; ++r) { |
| for (c = 0; c < bs; ++c) { |
| dst[c] = c & 1 ? AVG3(left[(c >> 1) + r], left[(c >> 1) + r + 1], |
| left[(c >> 1) + r + 2]) |
| : AVG2(left[(c >> 1) + r], left[(c >> 1) + r + 1]); |
| } |
| dst += stride; |
| } |
| } |
| |
| static INLINE void d63_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r, c; |
| int size; |
| (void)left; |
| for (c = 0; c < bs; ++c) { |
| dst[c] = AVG2(above[c], above[c + 1]); |
| dst[stride + c] = AVG3(above[c], above[c + 1], above[c + 2]); |
| } |
| for (r = 2, size = bs - 2; r < bs; r += 2, --size) { |
| memcpy(dst + (r + 0) * stride, dst + (r >> 1), size); |
| memset(dst + (r + 0) * stride + size, above[bs - 1], bs - size); |
| memcpy(dst + (r + 1) * stride, dst + stride + (r >> 1), size); |
| memset(dst + (r + 1) * stride + size, above[bs - 1], bs - size); |
| } |
| } |
| |
| static INLINE void d63e_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r, c; |
| (void)left; |
| for (r = 0; r < bs; ++r) { |
| for (c = 0; c < bs; ++c) { |
| dst[c] = r & 1 ? AVG3(above[(r >> 1) + c], above[(r >> 1) + c + 1], |
| above[(r >> 1) + c + 2]) |
| : AVG2(above[(r >> 1) + c], above[(r >> 1) + c + 1]); |
| } |
| dst += stride; |
| } |
| } |
| |
| static INLINE void d45_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| const uint8_t above_right = above[bs - 1]; |
| const uint8_t *const dst_row0 = dst; |
| int x, size; |
| (void)left; |
| |
| for (x = 0; x < bs - 1; ++x) { |
| dst[x] = AVG3(above[x], above[x + 1], above[x + 2]); |
| } |
| dst[bs - 1] = above_right; |
| dst += stride; |
| for (x = 1, size = bs - 2; x < bs; ++x, --size) { |
| memcpy(dst, dst_row0 + x, size); |
| memset(dst + size, above_right, x + 1); |
| dst += stride; |
| } |
| } |
| |
| static INLINE void d45e_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r, c; |
| (void)left; |
| for (r = 0; r < bs; ++r) { |
| for (c = 0; c < bs; ++c) { |
| dst[c] = AVG3(above[r + c], above[r + c + 1], |
| above[r + c + 1 + (r + c + 2 < bs * 2)]); |
| } |
| dst += stride; |
| } |
| } |
| |
| static INLINE void d117_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r, c; |
| |
| // first row |
| for (c = 0; c < bs; c++) dst[c] = AVG2(above[c - 1], above[c]); |
| dst += stride; |
| |
| // second row |
| dst[0] = AVG3(left[0], above[-1], above[0]); |
| for (c = 1; c < bs; c++) dst[c] = AVG3(above[c - 2], above[c - 1], above[c]); |
| dst += stride; |
| |
| // the rest of first col |
| dst[0] = AVG3(above[-1], left[0], left[1]); |
| for (r = 3; r < bs; ++r) |
| dst[(r - 2) * stride] = AVG3(left[r - 3], left[r - 2], left[r - 1]); |
| |
| // the rest of the block |
| for (r = 2; r < bs; ++r) { |
| for (c = 1; c < bs; c++) dst[c] = dst[-2 * stride + c - 1]; |
| dst += stride; |
| } |
| } |
| |
| static INLINE void d135_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int i; |
| #if defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ > 7 |
| // silence a spurious -Warray-bounds warning, possibly related to: |
| // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273 |
| uint8_t border[69]; |
| #else |
| uint8_t border[32 + 32 - 1]; // outer border from bottom-left to top-right |
| #endif |
| |
| // dst(bs, bs - 2)[0], i.e., border starting at bottom-left |
| for (i = 0; i < bs - 2; ++i) { |
| border[i] = AVG3(left[bs - 3 - i], left[bs - 2 - i], left[bs - 1 - i]); |
| } |
| border[bs - 2] = AVG3(above[-1], left[0], left[1]); |
| border[bs - 1] = AVG3(left[0], above[-1], above[0]); |
| border[bs - 0] = AVG3(above[-1], above[0], above[1]); |
| // dst[0][2, size), i.e., remaining top border ascending |
| for (i = 0; i < bs - 2; ++i) { |
| border[bs + 1 + i] = AVG3(above[i], above[i + 1], above[i + 2]); |
| } |
| |
| for (i = 0; i < bs; ++i) { |
| memcpy(dst + i * stride, border + bs - 1 - i, bs); |
| } |
| } |
| |
| static INLINE void d153_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r, c; |
| dst[0] = AVG2(above[-1], left[0]); |
| for (r = 1; r < bs; r++) dst[r * stride] = AVG2(left[r - 1], left[r]); |
| dst++; |
| |
| dst[0] = AVG3(left[0], above[-1], above[0]); |
| dst[stride] = AVG3(above[-1], left[0], left[1]); |
| for (r = 2; r < bs; r++) |
| dst[r * stride] = AVG3(left[r - 2], left[r - 1], left[r]); |
| dst++; |
| |
| for (c = 0; c < bs - 2; c++) |
| dst[c] = AVG3(above[c - 1], above[c], above[c + 1]); |
| dst += stride; |
| |
| for (r = 1; r < bs; ++r) { |
| for (c = 0; c < bs - 2; c++) dst[c] = dst[-stride + c - 2]; |
| dst += stride; |
| } |
| } |
| |
| static INLINE void v_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r; |
| (void)left; |
| |
| for (r = 0; r < bs; r++) { |
| memcpy(dst, above, bs); |
| dst += stride; |
| } |
| } |
| |
| static INLINE void h_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r; |
| (void)above; |
| |
| for (r = 0; r < bs; r++) { |
| memset(dst, left[r], bs); |
| dst += stride; |
| } |
| } |
| |
| #if CONFIG_ALT_INTRA |
| static INLINE int abs_diff(int a, int b) { return (a > b) ? a - b : b - a; } |
| |
| static INLINE uint16_t paeth_predictor_single(uint16_t left, uint16_t top, |
| uint16_t top_left) { |
| const int base = top + left - top_left; |
| const int p_left = abs_diff(base, left); |
| const int p_top = abs_diff(base, top); |
| const int p_top_left = abs_diff(base, top_left); |
| |
| // Return nearest to base of left, top and top_left. |
| return (p_left <= p_top && p_left <= p_top_left) |
| ? left |
| : (p_top <= p_top_left) ? top : top_left; |
| } |
| |
| static INLINE void paeth_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r, c; |
| const uint8_t ytop_left = above[-1]; |
| |
| for (r = 0; r < bs; r++) { |
| for (c = 0; c < bs; c++) |
| dst[c] = (uint8_t)paeth_predictor_single(left[r], above[c], ytop_left); |
| dst += stride; |
| } |
| } |
| |
| #else |
| |
| static INLINE void tm_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r, c; |
| int ytop_left = above[-1]; |
| |
| for (r = 0; r < bs; r++) { |
| for (c = 0; c < bs; c++) |
| dst[c] = clip_pixel(left[r] + above[c] - ytop_left); |
| dst += stride; |
| } |
| } |
| #endif // CONFIG_ALT_INTRA |
| |
| static INLINE void dc_128_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int r; |
| (void)above; |
| (void)left; |
| |
| for (r = 0; r < bs; r++) { |
| memset(dst, 128, bs); |
| dst += stride; |
| } |
| } |
| |
| static INLINE void dc_left_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, |
| const uint8_t *left) { |
| int i, r, expected_dc, sum = 0; |
| (void)above; |
| |
| for (i = 0; i < bs; i++) sum += left[i]; |
| expected_dc = (sum + (bs >> 1)) / bs; |
| |
| for (r = 0; r < bs; r++) { |
| memset(dst, expected_dc, bs); |
| dst += stride; |
| } |
| } |
| |
| static INLINE void dc_top_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int i, r, expected_dc, sum = 0; |
| (void)left; |
| |
| for (i = 0; i < bs; i++) sum += above[i]; |
| expected_dc = (sum + (bs >> 1)) / bs; |
| |
| for (r = 0; r < bs; r++) { |
| memset(dst, expected_dc, bs); |
| dst += stride; |
| } |
| } |
| |
| static INLINE void dc_predictor(uint8_t *dst, ptrdiff_t stride, int bs, |
| const uint8_t *above, const uint8_t *left) { |
| int i, r, expected_dc, sum = 0; |
| const int count = 2 * bs; |
| |
| for (i = 0; i < bs; i++) { |
| sum += above[i]; |
| sum += left[i]; |
| } |
| |
| expected_dc = (sum + (count >> 1)) / count; |
| |
| for (r = 0; r < bs; r++) { |
| memset(dst, expected_dc, bs); |
| dst += stride; |
| } |
| } |
| |
| void aom_he_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const int H = above[-1]; |
| const int I = left[0]; |
| const int J = left[1]; |
| const int K = left[2]; |
| const int L = left[3]; |
| |
| memset(dst + stride * 0, AVG3(H, I, J), 4); |
| memset(dst + stride * 1, AVG3(I, J, K), 4); |
| memset(dst + stride * 2, AVG3(J, K, L), 4); |
| memset(dst + stride * 3, AVG3(K, L, L), 4); |
| } |
| |
| void aom_ve_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const int H = above[-1]; |
| const int I = above[0]; |
| const int J = above[1]; |
| const int K = above[2]; |
| const int L = above[3]; |
| const int M = above[4]; |
| (void)left; |
| |
| dst[0] = AVG3(H, I, J); |
| dst[1] = AVG3(I, J, K); |
| dst[2] = AVG3(J, K, L); |
| dst[3] = AVG3(K, L, M); |
| memcpy(dst + stride * 1, dst, 4); |
| memcpy(dst + stride * 2, dst, 4); |
| memcpy(dst + stride * 3, dst, 4); |
| } |
| |
| void aom_d207_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const int I = left[0]; |
| const int J = left[1]; |
| const int K = left[2]; |
| const int L = left[3]; |
| (void)above; |
| DST(0, 0) = AVG2(I, J); |
| DST(2, 0) = DST(0, 1) = AVG2(J, K); |
| DST(2, 1) = DST(0, 2) = AVG2(K, L); |
| DST(1, 0) = AVG3(I, J, K); |
| DST(3, 0) = DST(1, 1) = AVG3(J, K, L); |
| DST(3, 1) = DST(1, 2) = AVG3(K, L, L); |
| DST(3, 2) = DST(2, 2) = DST(0, 3) = DST(1, 3) = DST(2, 3) = DST(3, 3) = L; |
| } |
| |
| void aom_d63_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const int A = above[0]; |
| const int B = above[1]; |
| const int C = above[2]; |
| const int D = above[3]; |
| const int E = above[4]; |
| const int F = above[5]; |
| const int G = above[6]; |
| (void)left; |
| DST(0, 0) = AVG2(A, B); |
| DST(1, 0) = DST(0, 2) = AVG2(B, C); |
| DST(2, 0) = DST(1, 2) = AVG2(C, D); |
| DST(3, 0) = DST(2, 2) = AVG2(D, E); |
| DST(3, 2) = AVG2(E, F); // differs from vp8 |
| |
| DST(0, 1) = AVG3(A, B, C); |
| DST(1, 1) = DST(0, 3) = AVG3(B, C, D); |
| DST(2, 1) = DST(1, 3) = AVG3(C, D, E); |
| DST(3, 1) = DST(2, 3) = AVG3(D, E, F); |
| DST(3, 3) = AVG3(E, F, G); // differs from vp8 |
| } |
| |
| void aom_d63f_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const int A = above[0]; |
| const int B = above[1]; |
| const int C = above[2]; |
| const int D = above[3]; |
| const int E = above[4]; |
| const int F = above[5]; |
| const int G = above[6]; |
| const int H = above[7]; |
| (void)left; |
| DST(0, 0) = AVG2(A, B); |
| DST(1, 0) = DST(0, 2) = AVG2(B, C); |
| DST(2, 0) = DST(1, 2) = AVG2(C, D); |
| DST(3, 0) = DST(2, 2) = AVG2(D, E); |
| DST(3, 2) = AVG3(E, F, G); |
| |
| DST(0, 1) = AVG3(A, B, C); |
| DST(1, 1) = DST(0, 3) = AVG3(B, C, D); |
| DST(2, 1) = DST(1, 3) = AVG3(C, D, E); |
| DST(3, 1) = DST(2, 3) = AVG3(D, E, F); |
| DST(3, 3) = AVG3(F, G, H); |
| } |
| |
| void aom_d45_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const int A = above[0]; |
| const int B = above[1]; |
| const int C = above[2]; |
| const int D = above[3]; |
| const int E = above[4]; |
| const int F = above[5]; |
| const int G = above[6]; |
| const int H = above[7]; |
| (void)stride; |
| (void)left; |
| DST(0, 0) = AVG3(A, B, C); |
| DST(1, 0) = DST(0, 1) = AVG3(B, C, D); |
| DST(2, 0) = DST(1, 1) = DST(0, 2) = AVG3(C, D, E); |
| DST(3, 0) = DST(2, 1) = DST(1, 2) = DST(0, 3) = AVG3(D, E, F); |
| DST(3, 1) = DST(2, 2) = DST(1, 3) = AVG3(E, F, G); |
| DST(3, 2) = DST(2, 3) = AVG3(F, G, H); |
| DST(3, 3) = H; // differs from vp8 |
| } |
| |
| void aom_d45e_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const int A = above[0]; |
| const int B = above[1]; |
| const int C = above[2]; |
| const int D = above[3]; |
| const int E = above[4]; |
| const int F = above[5]; |
| const int G = above[6]; |
| const int H = above[7]; |
| (void)stride; |
| (void)left; |
| DST(0, 0) = AVG3(A, B, C); |
| DST(1, 0) = DST(0, 1) = AVG3(B, C, D); |
| DST(2, 0) = DST(1, 1) = DST(0, 2) = AVG3(C, D, E); |
| DST(3, 0) = DST(2, 1) = DST(1, 2) = DST(0, 3) = AVG3(D, E, F); |
| DST(3, 1) = DST(2, 2) = DST(1, 3) = AVG3(E, F, G); |
| DST(3, 2) = DST(2, 3) = AVG3(F, G, H); |
| DST(3, 3) = AVG3(G, H, H); |
| } |
| |
| void aom_d117_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const int I = left[0]; |
| const int J = left[1]; |
| const int K = left[2]; |
| const int X = above[-1]; |
| const int A = above[0]; |
| const int B = above[1]; |
| const int C = above[2]; |
| const int D = above[3]; |
| DST(0, 0) = DST(1, 2) = AVG2(X, A); |
| DST(1, 0) = DST(2, 2) = AVG2(A, B); |
| DST(2, 0) = DST(3, 2) = AVG2(B, C); |
| DST(3, 0) = AVG2(C, D); |
| |
| DST(0, 3) = AVG3(K, J, I); |
| DST(0, 2) = AVG3(J, I, X); |
| DST(0, 1) = DST(1, 3) = AVG3(I, X, A); |
| DST(1, 1) = DST(2, 3) = AVG3(X, A, B); |
| DST(2, 1) = DST(3, 3) = AVG3(A, B, C); |
| DST(3, 1) = AVG3(B, C, D); |
| } |
| |
| void aom_d135_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const int I = left[0]; |
| const int J = left[1]; |
| const int K = left[2]; |
| const int L = left[3]; |
| const int X = above[-1]; |
| const int A = above[0]; |
| const int B = above[1]; |
| const int C = above[2]; |
| const int D = above[3]; |
| (void)stride; |
| DST(0, 3) = AVG3(J, K, L); |
| DST(1, 3) = DST(0, 2) = AVG3(I, J, K); |
| DST(2, 3) = DST(1, 2) = DST(0, 1) = AVG3(X, I, J); |
| DST(3, 3) = DST(2, 2) = DST(1, 1) = DST(0, 0) = AVG3(A, X, I); |
| DST(3, 2) = DST(2, 1) = DST(1, 0) = AVG3(B, A, X); |
| DST(3, 1) = DST(2, 0) = AVG3(C, B, A); |
| DST(3, 0) = AVG3(D, C, B); |
| } |
| |
| void aom_d153_predictor_4x4_c(uint8_t *dst, ptrdiff_t stride, |
| const uint8_t *above, const uint8_t *left) { |
| const int I = left[0]; |
| const int J = left[1]; |
| const int K = left[2]; |
| const int L = left[3]; |
| const int X = above[-1]; |
| const int A = above[0]; |
| const int B = above[1]; |
| const int C = above[2]; |
| |
| DST(0, 0) = DST(2, 1) = AVG2(I, X); |
| DST(0, 1) = DST(2, 2) = AVG2(J, I); |
| DST(0, 2) = DST(2, 3) = AVG2(K, J); |
| DST(0, 3) = AVG2(L, K); |
| |
| DST(3, 0) = AVG3(A, B, C); |
| DST(2, 0) = AVG3(X, A, B); |
| DST(1, 0) = DST(3, 1) = AVG3(I, X, A); |
| DST(1, 1) = DST(3, 2) = AVG3(J, I, X); |
| DST(1, 2) = DST(3, 3) = AVG3(K, J, I); |
| DST(1, 3) = AVG3(L, K, J); |
| } |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| static INLINE void highbd_d207_predictor(uint16_t *dst, ptrdiff_t stride, |
| int bs, const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r, c; |
| (void)above; |
| (void)bd; |
| |
| // First column. |
| for (r = 0; r < bs - 1; ++r) { |
| dst[r * stride] = AVG2(left[r], left[r + 1]); |
| } |
| dst[(bs - 1) * stride] = left[bs - 1]; |
| dst++; |
| |
| // Second column. |
| for (r = 0; r < bs - 2; ++r) { |
| dst[r * stride] = AVG3(left[r], left[r + 1], left[r + 2]); |
| } |
| dst[(bs - 2) * stride] = AVG3(left[bs - 2], left[bs - 1], left[bs - 1]); |
| dst[(bs - 1) * stride] = left[bs - 1]; |
| dst++; |
| |
| // Rest of last row. |
| for (c = 0; c < bs - 2; ++c) dst[(bs - 1) * stride + c] = left[bs - 1]; |
| |
| for (r = bs - 2; r >= 0; --r) { |
| for (c = 0; c < bs - 2; ++c) |
| dst[r * stride + c] = dst[(r + 1) * stride + c - 2]; |
| } |
| } |
| |
| static INLINE void highbd_d207e_predictor(uint16_t *dst, ptrdiff_t stride, |
| int bs, const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r, c; |
| (void)above; |
| (void)bd; |
| |
| for (r = 0; r < bs; ++r) { |
| for (c = 0; c < bs; ++c) { |
| dst[c] = c & 1 ? AVG3(left[(c >> 1) + r], left[(c >> 1) + r + 1], |
| left[(c >> 1) + r + 2]) |
| : AVG2(left[(c >> 1) + r], left[(c >> 1) + r + 1]); |
| } |
| dst += stride; |
| } |
| } |
| |
| static INLINE void highbd_d63_predictor(uint16_t *dst, ptrdiff_t stride, int bs, |
| const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r, c; |
| (void)left; |
| (void)bd; |
| for (r = 0; r < bs; ++r) { |
| for (c = 0; c < bs; ++c) { |
| dst[c] = r & 1 ? AVG3(above[(r >> 1) + c], above[(r >> 1) + c + 1], |
| above[(r >> 1) + c + 2]) |
| : AVG2(above[(r >> 1) + c], above[(r >> 1) + c + 1]); |
| } |
| dst += stride; |
| } |
| } |
| |
| #define highbd_d63e_predictor highbd_d63_predictor |
| |
| static INLINE void highbd_d45_predictor(uint16_t *dst, ptrdiff_t stride, int bs, |
| const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r, c; |
| (void)left; |
| (void)bd; |
| for (r = 0; r < bs; ++r) { |
| for (c = 0; c < bs; ++c) { |
| dst[c] = r + c + 2 < bs * 2 |
| ? AVG3(above[r + c], above[r + c + 1], above[r + c + 2]) |
| : above[bs * 2 - 1]; |
| } |
| dst += stride; |
| } |
| } |
| |
| static INLINE void highbd_d45e_predictor(uint16_t *dst, ptrdiff_t stride, |
| int bs, const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r, c; |
| (void)left; |
| (void)bd; |
| for (r = 0; r < bs; ++r) { |
| for (c = 0; c < bs; ++c) { |
| dst[c] = AVG3(above[r + c], above[r + c + 1], |
| above[r + c + 1 + (r + c + 2 < bs * 2)]); |
| } |
| dst += stride; |
| } |
| } |
| |
| static INLINE void highbd_d117_predictor(uint16_t *dst, ptrdiff_t stride, |
| int bs, const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r, c; |
| (void)bd; |
| |
| // first row |
| for (c = 0; c < bs; c++) dst[c] = AVG2(above[c - 1], above[c]); |
| dst += stride; |
| |
| // second row |
| dst[0] = AVG3(left[0], above[-1], above[0]); |
| for (c = 1; c < bs; c++) dst[c] = AVG3(above[c - 2], above[c - 1], above[c]); |
| dst += stride; |
| |
| // the rest of first col |
| dst[0] = AVG3(above[-1], left[0], left[1]); |
| for (r = 3; r < bs; ++r) |
| dst[(r - 2) * stride] = AVG3(left[r - 3], left[r - 2], left[r - 1]); |
| |
| // the rest of the block |
| for (r = 2; r < bs; ++r) { |
| for (c = 1; c < bs; c++) dst[c] = dst[-2 * stride + c - 1]; |
| dst += stride; |
| } |
| } |
| |
| static INLINE void highbd_d135_predictor(uint16_t *dst, ptrdiff_t stride, |
| int bs, const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r, c; |
| (void)bd; |
| dst[0] = AVG3(left[0], above[-1], above[0]); |
| for (c = 1; c < bs; c++) dst[c] = AVG3(above[c - 2], above[c - 1], above[c]); |
| |
| dst[stride] = AVG3(above[-1], left[0], left[1]); |
| for (r = 2; r < bs; ++r) |
| dst[r * stride] = AVG3(left[r - 2], left[r - 1], left[r]); |
| |
| dst += stride; |
| for (r = 1; r < bs; ++r) { |
| for (c = 1; c < bs; c++) dst[c] = dst[-stride + c - 1]; |
| dst += stride; |
| } |
| } |
| |
| static INLINE void highbd_d153_predictor(uint16_t *dst, ptrdiff_t stride, |
| int bs, const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r, c; |
| (void)bd; |
| dst[0] = AVG2(above[-1], left[0]); |
| for (r = 1; r < bs; r++) dst[r * stride] = AVG2(left[r - 1], left[r]); |
| dst++; |
| |
| dst[0] = AVG3(left[0], above[-1], above[0]); |
| dst[stride] = AVG3(above[-1], left[0], left[1]); |
| for (r = 2; r < bs; r++) |
| dst[r * stride] = AVG3(left[r - 2], left[r - 1], left[r]); |
| dst++; |
| |
| for (c = 0; c < bs - 2; c++) |
| dst[c] = AVG3(above[c - 1], above[c], above[c + 1]); |
| dst += stride; |
| |
| for (r = 1; r < bs; ++r) { |
| for (c = 0; c < bs - 2; c++) dst[c] = dst[-stride + c - 2]; |
| dst += stride; |
| } |
| } |
| |
| static INLINE void highbd_v_predictor(uint16_t *dst, ptrdiff_t stride, int bs, |
| const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r; |
| (void)left; |
| (void)bd; |
| for (r = 0; r < bs; r++) { |
| memcpy(dst, above, bs * sizeof(uint16_t)); |
| dst += stride; |
| } |
| } |
| |
| static INLINE void highbd_h_predictor(uint16_t *dst, ptrdiff_t stride, int bs, |
| const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r; |
| (void)above; |
| (void)bd; |
| for (r = 0; r < bs; r++) { |
| aom_memset16(dst, left[r], bs); |
| dst += stride; |
| } |
| } |
| |
| #if CONFIG_ALT_INTRA |
| static INLINE void highbd_paeth_predictor(uint16_t *dst, ptrdiff_t stride, |
| int bs, const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r, c; |
| const uint16_t ytop_left = above[-1]; |
| (void)bd; |
| |
| for (r = 0; r < bs; r++) { |
| for (c = 0; c < bs; c++) |
| dst[c] = paeth_predictor_single(left[r], above[c], ytop_left); |
| dst += stride; |
| } |
| } |
| |
| #else |
| static INLINE void highbd_tm_predictor(uint16_t *dst, ptrdiff_t stride, int bs, |
| const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r, c; |
| int ytop_left = above[-1]; |
| (void)bd; |
| |
| for (r = 0; r < bs; r++) { |
| for (c = 0; c < bs; c++) |
| dst[c] = clip_pixel_highbd(left[r] + above[c] - ytop_left, bd); |
| dst += stride; |
| } |
| } |
| #endif // CONFIG_ALT_INTRA |
| |
| static INLINE void highbd_dc_128_predictor(uint16_t *dst, ptrdiff_t stride, |
| int bs, const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int r; |
| (void)above; |
| (void)left; |
| |
| for (r = 0; r < bs; r++) { |
| aom_memset16(dst, 128 << (bd - 8), bs); |
| dst += stride; |
| } |
| } |
| |
| static INLINE void highbd_dc_left_predictor(uint16_t *dst, ptrdiff_t stride, |
| int bs, const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int i, r, expected_dc, sum = 0; |
| (void)above; |
| (void)bd; |
| |
| for (i = 0; i < bs; i++) sum += left[i]; |
| expected_dc = (sum + (bs >> 1)) / bs; |
| |
| for (r = 0; r < bs; r++) { |
| aom_memset16(dst, expected_dc, bs); |
| dst += stride; |
| } |
| } |
| |
| static INLINE void highbd_dc_top_predictor(uint16_t *dst, ptrdiff_t stride, |
| int bs, const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int i, r, expected_dc, sum = 0; |
| (void)left; |
| (void)bd; |
| |
| for (i = 0; i < bs; i++) sum += above[i]; |
| expected_dc = (sum + (bs >> 1)) / bs; |
| |
| for (r = 0; r < bs; r++) { |
| aom_memset16(dst, expected_dc, bs); |
| dst += stride; |
| } |
| } |
| |
| static INLINE void highbd_dc_predictor(uint16_t *dst, ptrdiff_t stride, int bs, |
| const uint16_t *above, |
| const uint16_t *left, int bd) { |
| int i, r, expected_dc, sum = 0; |
| const int count = 2 * bs; |
| (void)bd; |
| |
| for (i = 0; i < bs; i++) { |
| sum += above[i]; |
| sum += left[i]; |
| } |
| |
| expected_dc = (sum + (count >> 1)) / count; |
| |
| for (r = 0; r < bs; r++) { |
| aom_memset16(dst, expected_dc, bs); |
| dst += stride; |
| } |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| // This serves as a wrapper function, so that all the prediction functions |
| // can be unified and accessed as a pointer array. Note that the boundary |
| // above and left are not necessarily used all the time. |
| #define intra_pred_sized(type, size) \ |
| void aom_##type##_predictor_##size##x##size##_c( \ |
| uint8_t *dst, ptrdiff_t stride, const uint8_t *above, \ |
| const uint8_t *left) { \ |
| type##_predictor(dst, stride, size, above, left); \ |
| } |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| #define intra_pred_highbd_sized(type, size) \ |
| void aom_highbd_##type##_predictor_##size##x##size##_c( \ |
| uint16_t *dst, ptrdiff_t stride, const uint16_t *above, \ |
| const uint16_t *left, int bd) { \ |
| highbd_##type##_predictor(dst, stride, size, above, left, bd); \ |
| } |
| |
| /* clang-format off */ |
| #define intra_pred_allsizes(type) \ |
| intra_pred_sized(type, 4) \ |
| intra_pred_sized(type, 8) \ |
| intra_pred_sized(type, 16) \ |
| intra_pred_sized(type, 32) \ |
| intra_pred_highbd_sized(type, 4) \ |
| intra_pred_highbd_sized(type, 8) \ |
| intra_pred_highbd_sized(type, 16) \ |
| intra_pred_highbd_sized(type, 32) |
| |
| #define intra_pred_no_4x4(type) \ |
| intra_pred_sized(type, 8) \ |
| intra_pred_sized(type, 16) \ |
| intra_pred_sized(type, 32) \ |
| intra_pred_highbd_sized(type, 4) \ |
| intra_pred_highbd_sized(type, 8) \ |
| intra_pred_highbd_sized(type, 16) \ |
| intra_pred_highbd_sized(type, 32) |
| |
| #else |
| #define intra_pred_allsizes(type) \ |
| intra_pred_sized(type, 4) \ |
| intra_pred_sized(type, 8) \ |
| intra_pred_sized(type, 16) \ |
| intra_pred_sized(type, 32) |
| |
| #define intra_pred_no_4x4(type) \ |
| intra_pred_sized(type, 8) \ |
| intra_pred_sized(type, 16) \ |
| intra_pred_sized(type, 32) |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| intra_pred_no_4x4(d207) |
| intra_pred_no_4x4(d63) |
| intra_pred_no_4x4(d45) |
| intra_pred_allsizes(d207e) |
| intra_pred_allsizes(d63e) |
| intra_pred_no_4x4(d45e) |
| intra_pred_no_4x4(d117) |
| intra_pred_no_4x4(d135) |
| intra_pred_no_4x4(d153) |
| intra_pred_allsizes(v) |
| intra_pred_allsizes(h) |
| #if CONFIG_ALT_INTRA |
| intra_pred_allsizes(paeth) |
| #else |
| intra_pred_allsizes(tm) |
| #endif // CONFIG_ALT_INTRA |
| intra_pred_allsizes(dc_128) |
| intra_pred_allsizes(dc_left) |
| intra_pred_allsizes(dc_top) |
| intra_pred_allsizes(dc) |
| /* clang-format on */ |
| #undef intra_pred_allsizes |
