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-rw-r--r--media/libvpx/libvpx/vpx_dsp/intrapred.c917
1 files changed, 917 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/intrapred.c b/media/libvpx/libvpx/vpx_dsp/intrapred.c
new file mode 100644
index 0000000000..400e632e98
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_dsp/intrapred.c
@@ -0,0 +1,917 @@
+/*
+ * Copyright (c) 2015 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "./vpx_config.h"
+#include "./vpx_dsp_rtcd.h"
+
+#include "vpx_dsp/vpx_dsp_common.h"
+#include "vpx_mem/vpx_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 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 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 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;
+ }
+}
+
+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;
+ }
+}
+
+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 vpx_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 vpx_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 vpx_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 vpx_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 vpx_d63e_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 vpx_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 vpx_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 vpx_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 vpx_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 vpx_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_VP9_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_d63_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
+ const uint16_t *above,
+ const uint16_t *left, int bd) {
+ int r, c;
+ int size;
+ (void)left;
+ (void)bd;
+ 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 * sizeof(*dst));
+ vpx_memset16(dst + (r + 0) * stride + size, above[bs - 1], bs - size);
+ memcpy(dst + (r + 1) * stride, dst + stride + (r >> 1),
+ size * sizeof(*dst));
+ vpx_memset16(dst + (r + 1) * stride + size, above[bs - 1], bs - size);
+ }
+}
+
+static INLINE void highbd_d45_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
+ const uint16_t *above,
+ const uint16_t *left, int bd) {
+ const uint16_t above_right = above[bs - 1];
+ const uint16_t *const dst_row0 = dst;
+ int x, size;
+ (void)left;
+ (void)bd;
+
+ 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 * sizeof(*dst));
+ vpx_memset16(dst + size, above_right, x + 1);
+ 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 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
+ uint16_t border[69];
+#else
+ uint16_t border[32 + 32 - 1]; // outer border from bottom-left to top-right
+#endif
+ (void)bd;
+
+ // 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 * sizeof(dst[0]));
+ }
+}
+
+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++) {
+ vpx_memset16(dst, left[r], bs);
+ dst += stride;
+ }
+}
+
+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;
+ }
+}
+
+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++) {
+ vpx_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++) {
+ vpx_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++) {
+ vpx_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++) {
+ vpx_memset16(dst, expected_dc, bs);
+ dst += stride;
+ }
+}
+
+void vpx_highbd_d207_predictor_4x4_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(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 vpx_highbd_d63_predictor_4x4_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];
+ const int E = above[4];
+ const int F = above[5];
+ const int G = above[6];
+ (void)left;
+ (void)bd;
+ 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 vpx_highbd_d45_predictor_4x4_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];
+ const int E = above[4];
+ const int F = above[5];
+ const int G = above[6];
+ const int H = above[7];
+ (void)left;
+ (void)bd;
+ 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 vpx_highbd_d117_predictor_4x4_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 X = above[-1];
+ const int A = above[0];
+ const int B = above[1];
+ const int C = above[2];
+ const int D = above[3];
+ (void)bd;
+ 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 vpx_highbd_d135_predictor_4x4_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];
+ 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)bd;
+ 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 vpx_highbd_d153_predictor_4x4_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];
+ const int X = above[-1];
+ const int A = above[0];
+ const int B = above[1];
+ const int C = above[2];
+ (void)bd;
+
+ 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);
+}
+#endif // CONFIG_VP9_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 vpx_##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_VP9_HIGHBITDEPTH
+#define intra_pred_highbd_sized(type, size) \
+ void vpx_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, 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_VP9_HIGHBITDEPTH
+
+intra_pred_no_4x4(d207)
+intra_pred_no_4x4(d63)
+intra_pred_no_4x4(d45)
+intra_pred_no_4x4(d117)
+intra_pred_no_4x4(d135)
+intra_pred_no_4x4(d153)
+intra_pred_allsizes(v)
+intra_pred_allsizes(h)
+intra_pred_allsizes(tm)
+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 2.39.1) at 2024-09-14 15:44:34 +0000