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-rw-r--r--third_party/aom/aom_dsp/intrapred.c971
1 files changed, 971 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/intrapred.c b/third_party/aom/aom_dsp/intrapred.c
new file mode 100644
index 000000000..1f0870b64
--- /dev/null
+++ b/third_party/aom/aom_dsp/intrapred.c
@@ -0,0 +1,971 @@
+/*
+ * 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 <assert.h>
+#include <math.h>
+
+#include "./aom_config.h"
+#include "./aom_dsp_rtcd.h"
+
+#include "aom_dsp/aom_dsp_common.h"
+#include "aom_mem/aom_mem.h"
+#include "aom_ports/bitops.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 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 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 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 CONFIG_TX64X64
+#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[133];
+#else
+ uint8_t border[64 + 64 - 1]; // outer border from bottom-left to top-right
+#endif
+#else
+#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
+#endif // CONFIG_TX64X64
+
+ // 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;
+ }
+}
+
+// Weights are quadratic from '1' to '1 / block_size', scaled by
+// 2^sm_weight_log2_scale.
+static const int sm_weight_log2_scale = 8;
+
+#if CONFIG_TX64X64
+// max(block_size_wide[BLOCK_LARGEST], block_size_high[BLOCK_LARGEST])
+#define MAX_BLOCK_DIM 64
+#define NUM_BLOCK_DIMS 6 // log2(MAX_BLOCK_DIM)
+#else
+#define MAX_BLOCK_DIM 32
+#define NUM_BLOCK_DIMS 5
+#endif // CONFIG_TX64X64
+
+static const uint8_t sm_weight_arrays[NUM_BLOCK_DIMS][MAX_BLOCK_DIM] = {
+ // bs = 2
+ { 255, 128 },
+ // bs = 4
+ { 255, 149, 85, 64 },
+ // bs = 8
+ { 255, 197, 146, 105, 73, 50, 37, 32 },
+ // bs = 16
+ { 255, 225, 196, 170, 145, 123, 102, 84, 68, 54, 43, 33, 26, 20, 17, 16 },
+ // bs = 32
+ {
+ 255, 240, 225, 210, 196, 182, 169, 157, 145, 133, 122,
+ 111, 101, 92, 83, 74, 66, 59, 52, 45, 39, 34,
+ 29, 25, 21, 17, 14, 12, 10, 9, 8, 8 },
+#if CONFIG_TX64X64
+ // bs = 64
+ { 255, 248, 240, 233, 225, 218, 210, 203, 196, 189, 182, 176, 169,
+ 163, 156, 150, 144, 138, 133, 127, 121, 116, 111, 106, 101, 96,
+ 91, 86, 82, 77, 73, 69, 65, 61, 57, 54, 50, 47, 44,
+ 41, 38, 35, 32, 29, 27, 25, 22, 20, 18, 16, 15, 13,
+ 12, 10, 9, 8, 7, 6, 6, 5, 5, 4, 4, 4 },
+#endif // CONFIG_TX64X64
+};
+
+// Some basic checks on weights for smooth predictor.
+#define sm_weights_sanity_checks(weights, weights_scale, pred_scale) \
+ assert(weights[0] < weights_scale); \
+ assert(weights_scale - weights[bs - 1] < weights_scale); \
+ assert(pred_scale < 31) // ensures no overflow when calculating predictor.
+
+#define divide_round(value, bits) (((value) + (1 << ((bits)-1))) >> (bits))
+
+static INLINE void smooth_predictor(uint8_t *dst, ptrdiff_t stride, int bs,
+ const uint8_t *above, const uint8_t *left) {
+ const uint8_t below_pred = left[bs - 1]; // estimated by bottom-left pixel
+ const uint8_t right_pred = above[bs - 1]; // estimated by top-right pixel
+ const int arr_index = get_msb(bs) - 1;
+ assert(arr_index >= 0);
+ assert(arr_index < NUM_BLOCK_DIMS);
+ const uint8_t *const sm_weights = sm_weight_arrays[arr_index];
+ // scale = 2 * 2^sm_weight_log2_scale
+ const int log2_scale = 1 + sm_weight_log2_scale;
+ const uint16_t scale = (1 << sm_weight_log2_scale);
+ sm_weights_sanity_checks(sm_weights, scale, log2_scale + sizeof(*dst));
+ int r;
+ for (r = 0; r < bs; ++r) {
+ int c;
+ for (c = 0; c < bs; ++c) {
+ const uint8_t pixels[] = { above[c], below_pred, left[r], right_pred };
+ const uint8_t weights[] = { sm_weights[r], scale - sm_weights[r],
+ sm_weights[c], scale - sm_weights[c] };
+ uint32_t this_pred = 0;
+ int i;
+ assert(scale >= sm_weights[r] && scale >= sm_weights[c]);
+ for (i = 0; i < 4; ++i) {
+ this_pred += weights[i] * pixels[i];
+ }
+ dst[c] = clip_pixel(divide_round(this_pred, log2_scale));
+ }
+ 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_d45e_predictor_2x2_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];
+ (void)stride;
+ (void)left;
+
+ DST(0, 0) = AVG3(A, B, C);
+ DST(1, 0) = DST(0, 1) = AVG3(B, C, D);
+ DST(1, 1) = AVG3(C, D, D);
+}
+
+void aom_d117_predictor_2x2_c(uint8_t *dst, ptrdiff_t stride,
+ const uint8_t *above, const uint8_t *left) {
+ const int I = left[0];
+ const int X = above[-1];
+ const int A = above[0];
+ const int B = above[1];
+ DST(0, 0) = AVG2(X, A);
+ DST(1, 0) = AVG2(A, B);
+ DST(0, 1) = AVG3(I, X, A);
+ DST(1, 1) = AVG3(X, A, B);
+}
+
+void aom_d135_predictor_2x2_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 X = above[-1];
+ const int A = above[0];
+ const int B = above[1];
+ (void)stride;
+ DST(0, 1) = AVG3(X, I, J);
+ DST(1, 1) = DST(0, 0) = AVG3(A, X, I);
+ DST(1, 0) = AVG3(B, A, X);
+}
+
+void aom_d153_predictor_2x2_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 X = above[-1];
+ const int A = above[0];
+
+ DST(0, 0) = AVG2(I, X);
+ DST(0, 1) = AVG2(J, I);
+ DST(1, 0) = AVG3(I, X, A);
+ DST(1, 1) = AVG3(J, I, X);
+}
+
+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_HIGHBITDEPTH
+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_d63e_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;
+ }
+}
+
+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;
+ }
+}
+
+void aom_highbd_d207_predictor_2x2_c(uint16_t *dst, ptrdiff_t stride,
+ const uint16_t *above,
+ const uint16_t *left, int bd) {
+ const int I = left[0];
+ const int J = left[1];
+ const int K = left[2];
+ const int L = left[3];
+ (void)above;
+ (void)bd;
+ DST(0, 0) = AVG2(I, J);
+ DST(0, 1) = AVG2(J, K);
+ DST(1, 0) = AVG3(I, J, K);
+ DST(1, 1) = AVG3(J, K, L);
+}
+
+void aom_highbd_d63_predictor_2x2_c(uint16_t *dst, ptrdiff_t stride,
+ const uint16_t *above, const uint16_t *left,
+ int bd) {
+ const int A = above[0];
+ const int B = above[1];
+ const int C = above[2];
+ const int D = above[3];
+ (void)left;
+ (void)bd;
+ DST(0, 0) = AVG2(A, B);
+ DST(1, 0) = AVG2(B, C);
+ DST(0, 1) = AVG3(A, B, C);
+ DST(1, 1) = AVG3(B, C, D);
+}
+
+void aom_highbd_d45e_predictor_2x2_c(uint16_t *dst, ptrdiff_t stride,
+ const uint16_t *above,
+ const uint16_t *left, int bd) {
+ const int A = above[0];
+ const int B = above[1];
+ const int C = above[2];
+ const int D = above[3];
+ (void)stride;
+ (void)left;
+ (void)bd;
+ DST(0, 0) = AVG3(A, B, C);
+ DST(1, 0) = DST(0, 1) = AVG3(B, C, D);
+ DST(1, 1) = AVG3(C, D, D);
+}
+
+void aom_highbd_d117_predictor_2x2_c(uint16_t *dst, ptrdiff_t stride,
+ const uint16_t *above,
+ const uint16_t *left, int bd) {
+ const int I = left[0];
+ const int X = above[-1];
+ const int A = above[0];
+ const int B = above[1];
+ (void)bd;
+ DST(0, 0) = AVG2(X, A);
+ DST(1, 0) = AVG2(A, B);
+ DST(0, 1) = AVG3(I, X, A);
+ DST(1, 1) = AVG3(X, A, B);
+}
+
+void aom_highbd_d135_predictor_2x2_c(uint16_t *dst, ptrdiff_t stride,
+ const uint16_t *above,
+ const uint16_t *left, int bd) {
+ const int I = left[0];
+ const int J = left[1];
+ const int X = above[-1];
+ const int A = above[0];
+ const int B = above[1];
+ (void)bd;
+ DST(0, 1) = AVG3(X, I, J);
+ DST(1, 1) = DST(0, 0) = AVG3(A, X, I);
+ DST(1, 0) = AVG3(B, A, X);
+}
+
+void aom_highbd_d153_predictor_2x2_c(uint16_t *dst, ptrdiff_t stride,
+ const uint16_t *above,
+ const uint16_t *left, int bd) {
+ const int I = left[0];
+ const int J = left[1];
+ const int X = above[-1];
+ const int A = above[0];
+ (void)bd;
+ DST(0, 0) = AVG2(I, X);
+ DST(0, 1) = AVG2(J, I);
+ DST(1, 0) = AVG3(I, X, A);
+ DST(1, 1) = AVG3(J, I, X);
+}
+
+#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;
+ }
+}
+
+static INLINE void highbd_smooth_predictor(uint16_t *dst, ptrdiff_t stride,
+ int bs, const uint16_t *above,
+ const uint16_t *left, int bd) {
+ const uint16_t below_pred = left[bs - 1]; // estimated by bottom-left pixel
+ const uint16_t right_pred = above[bs - 1]; // estimated by top-right pixel
+ const int arr_index = get_msb(bs) - 1;
+ assert(arr_index >= 0);
+ assert(arr_index < NUM_BLOCK_DIMS);
+ const uint8_t *const sm_weights = sm_weight_arrays[arr_index];
+ // scale = 2 * 2^sm_weight_log2_scale
+ const int log2_scale = 1 + sm_weight_log2_scale;
+ const uint16_t scale = (1 << sm_weight_log2_scale);
+ sm_weights_sanity_checks(sm_weights, scale, log2_scale + sizeof(*dst));
+ int r;
+ for (r = 0; r < bs; ++r) {
+ int c;
+ for (c = 0; c < bs; ++c) {
+ const uint16_t pixels[] = { above[c], below_pred, left[r], right_pred };
+ const uint8_t weights[] = { sm_weights[r], scale - sm_weights[r],
+ sm_weights[c], scale - sm_weights[c] };
+ uint32_t this_pred = 0;
+ int i;
+ assert(scale >= sm_weights[r] && scale >= sm_weights[c]);
+ for (i = 0; i < 4; ++i) {
+ this_pred += weights[i] * pixels[i];
+ }
+ dst[c] = clip_pixel_highbd(divide_round(this_pred, log2_scale), bd);
+ }
+ 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_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_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 */
+#if CONFIG_TX64X64
+#define intra_pred_allsizes(type) \
+ intra_pred_sized(type, 2) \
+ intra_pred_sized(type, 4) \
+ intra_pred_sized(type, 8) \
+ intra_pred_sized(type, 16) \
+ intra_pred_sized(type, 32) \
+ intra_pred_sized(type, 64) \
+ intra_pred_highbd_sized(type, 4) \
+ intra_pred_highbd_sized(type, 8) \
+ intra_pred_highbd_sized(type, 16) \
+ intra_pred_highbd_sized(type, 32) \
+ intra_pred_highbd_sized(type, 64)
+
+#define intra_pred_above_4x4(type) \
+ intra_pred_sized(type, 8) \
+ intra_pred_sized(type, 16) \
+ intra_pred_sized(type, 32) \
+ intra_pred_sized(type, 64) \
+ intra_pred_highbd_sized(type, 4) \
+ intra_pred_highbd_sized(type, 8) \
+ intra_pred_highbd_sized(type, 16) \
+ intra_pred_highbd_sized(type, 32) \
+ intra_pred_highbd_sized(type, 64)
+#else // CONFIG_TX64X64
+#define intra_pred_allsizes(type) \
+ intra_pred_sized(type, 2) \
+ 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, 2) \
+ 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_above_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)
+#endif // CONFIG_TX64X64
+
+#else
+
+#if CONFIG_TX64X64
+#define intra_pred_allsizes(type) \
+ intra_pred_sized(type, 2) \
+ intra_pred_sized(type, 4) \
+ intra_pred_sized(type, 8) \
+ intra_pred_sized(type, 16) \
+ intra_pred_sized(type, 32) \
+ intra_pred_sized(type, 64)
+
+#define intra_pred_above_4x4(type) \
+ intra_pred_sized(type, 8) \
+ intra_pred_sized(type, 16) \
+ intra_pred_sized(type, 32) \
+ intra_pred_sized(type, 64)
+#else // CONFIG_TX64X64
+#define intra_pred_allsizes(type) \
+ intra_pred_sized(type, 2) \
+ intra_pred_sized(type, 4) \
+ intra_pred_sized(type, 8) \
+ intra_pred_sized(type, 16) \
+ intra_pred_sized(type, 32)
+
+#define intra_pred_above_4x4(type) \
+ intra_pred_sized(type, 8) \
+ intra_pred_sized(type, 16) \
+ intra_pred_sized(type, 32)
+#endif // CONFIG_TX64X64
+#endif // CONFIG_HIGHBITDEPTH
+
+intra_pred_allsizes(d207e)
+intra_pred_allsizes(d63e)
+intra_pred_above_4x4(d45e)
+intra_pred_above_4x4(d117)
+intra_pred_above_4x4(d135)
+intra_pred_above_4x4(d153)
+intra_pred_allsizes(v)
+intra_pred_allsizes(h)
+#if CONFIG_ALT_INTRA
+intra_pred_allsizes(paeth)
+intra_pred_allsizes(smooth)
+#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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 15:30:45 +0000