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Diffstat (limited to 'media/libvpx/vp9/common/vp9_reconintra.c')
| -rw-r--r-- | media/libvpx/vp9/common/vp9_reconintra.c | 1088 |
1 files changed, 1088 insertions, 0 deletions
diff --git a/media/libvpx/vp9/common/vp9_reconintra.c b/media/libvpx/vp9/common/vp9_reconintra.c new file mode 100644 index 000000000..3312f2977 --- /dev/null +++ b/media/libvpx/vp9/common/vp9_reconintra.c @@ -0,0 +1,1088 @@ +/* + * Copyright (c) 2010 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 "./vp9_rtcd.h" + +#include "vpx_mem/vpx_mem.h" +#include "vpx_ports/mem.h" +#include "vpx_ports/vpx_once.h" + +#include "vp9/common/vp9_reconintra.h" +#include "vp9/common/vp9_onyxc_int.h" + +const TX_TYPE intra_mode_to_tx_type_lookup[INTRA_MODES] = { + DCT_DCT, // DC + ADST_DCT, // V + DCT_ADST, // H + DCT_DCT, // D45 + ADST_ADST, // D135 + ADST_DCT, // D117 + DCT_ADST, // D153 + DCT_ADST, // D207 + ADST_DCT, // D63 + ADST_ADST, // TM +}; + +enum { + NEED_LEFT = 1 << 1, + NEED_ABOVE = 1 << 2, + NEED_ABOVERIGHT = 1 << 3, +}; + +static const uint8_t extend_modes[INTRA_MODES] = { + NEED_ABOVE | NEED_LEFT, // DC + NEED_ABOVE, // V + NEED_LEFT, // H + NEED_ABOVERIGHT, // D45 + NEED_LEFT | NEED_ABOVE, // D135 + NEED_LEFT | NEED_ABOVE, // D117 + NEED_LEFT | NEED_ABOVE, // D153 + NEED_LEFT, // D207 + NEED_ABOVERIGHT, // D63 + NEED_LEFT | NEED_ABOVE, // TM +}; + +// 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 vp9_##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 vp9_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); \ + } + +#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_VP9_HIGHBITDEPTH + +#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) + +#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; + (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_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_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++) { + 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; + } +} +#endif // CONFIG_VP9_HIGHBITDEPTH + +void vp9_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; +} + +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]; +} +intra_pred_no_4x4(d207) + +void vp9_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 +} + +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); + } +} +intra_pred_no_4x4(d63) + +void vp9_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 +} + +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]; + int x, size; + uint8_t avg[31]; // TODO(jzern): this could be block size specific + (void)left; + + for (x = 0; x < bs - 1; ++x) { + avg[x] = AVG3(above[x], above[x + 1], above[x + 2]); + } + for (x = 0, size = bs - 1; x < bs; ++x, --size) { + memcpy(dst, avg + x, size); + memset(dst + size, above_right, x + 1); + dst += stride; + } +} +intra_pred_no_4x4(d45) + +void vp9_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); +} + +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; + } +} +intra_pred_no_4x4(d117) + +void vp9_d135_predictor_4x4(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); +} + +static INLINE void d135_predictor(uint8_t *dst, ptrdiff_t stride, int bs, + const uint8_t *above, const uint8_t *left) { + int r, c; + 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; + } +} +intra_pred_no_4x4(d135) + +void vp9_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); +} + +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; + } +} +intra_pred_no_4x4(d153) + +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; + } +} +intra_pred_allsizes(v) + +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; + } +} +intra_pred_allsizes(h) + +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; + } +} +intra_pred_allsizes(tm) + +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; + } +} +intra_pred_allsizes(dc_128) + +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; + } +} +intra_pred_allsizes(dc_left) + +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; + } +} +intra_pred_allsizes(dc_top) + +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; + } +} +intra_pred_allsizes(dc) +#undef intra_pred_allsizes + +typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left); + +static intra_pred_fn pred[INTRA_MODES][TX_SIZES]; +static intra_pred_fn dc_pred[2][2][TX_SIZES]; + +#if CONFIG_VP9_HIGHBITDEPTH +typedef void (*intra_high_pred_fn)(uint16_t *dst, ptrdiff_t stride, + const uint16_t *above, const uint16_t *left, + int bd); +static intra_high_pred_fn pred_high[INTRA_MODES][4]; +static intra_high_pred_fn dc_pred_high[2][2][4]; +#endif // CONFIG_VP9_HIGHBITDEPTH + +static void vp9_init_intra_predictors_internal(void) { +#define INIT_ALL_SIZES(p, type) \ + p[TX_4X4] = vp9_##type##_predictor_4x4; \ + p[TX_8X8] = vp9_##type##_predictor_8x8; \ + p[TX_16X16] = vp9_##type##_predictor_16x16; \ + p[TX_32X32] = vp9_##type##_predictor_32x32 + + INIT_ALL_SIZES(pred[V_PRED], v); + INIT_ALL_SIZES(pred[H_PRED], h); + INIT_ALL_SIZES(pred[D207_PRED], d207); + INIT_ALL_SIZES(pred[D45_PRED], d45); + INIT_ALL_SIZES(pred[D63_PRED], d63); + INIT_ALL_SIZES(pred[D117_PRED], d117); + INIT_ALL_SIZES(pred[D135_PRED], d135); + INIT_ALL_SIZES(pred[D153_PRED], d153); + INIT_ALL_SIZES(pred[TM_PRED], tm); + + INIT_ALL_SIZES(dc_pred[0][0], dc_128); + INIT_ALL_SIZES(dc_pred[0][1], dc_top); + INIT_ALL_SIZES(dc_pred[1][0], dc_left); + INIT_ALL_SIZES(dc_pred[1][1], dc); + +#if CONFIG_VP9_HIGHBITDEPTH + INIT_ALL_SIZES(pred_high[V_PRED], highbd_v); + INIT_ALL_SIZES(pred_high[H_PRED], highbd_h); + INIT_ALL_SIZES(pred_high[D207_PRED], highbd_d207); + INIT_ALL_SIZES(pred_high[D45_PRED], highbd_d45); + INIT_ALL_SIZES(pred_high[D63_PRED], highbd_d63); + INIT_ALL_SIZES(pred_high[D117_PRED], highbd_d117); + INIT_ALL_SIZES(pred_high[D135_PRED], highbd_d135); + INIT_ALL_SIZES(pred_high[D153_PRED], highbd_d153); + INIT_ALL_SIZES(pred_high[TM_PRED], highbd_tm); + + INIT_ALL_SIZES(dc_pred_high[0][0], highbd_dc_128); + INIT_ALL_SIZES(dc_pred_high[0][1], highbd_dc_top); + INIT_ALL_SIZES(dc_pred_high[1][0], highbd_dc_left); + INIT_ALL_SIZES(dc_pred_high[1][1], highbd_dc); +#endif // CONFIG_VP9_HIGHBITDEPTH + +#undef intra_pred_allsizes +} + +#if CONFIG_VP9_HIGHBITDEPTH +static void build_intra_predictors_high(const MACROBLOCKD *xd, + const uint8_t *ref8, + int ref_stride, + uint8_t *dst8, + int dst_stride, + PREDICTION_MODE mode, + TX_SIZE tx_size, + int up_available, + int left_available, + int right_available, + int x, int y, + int plane, int bd) { + int i; + uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); + uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); + DECLARE_ALIGNED(16, uint16_t, left_col[32]); + DECLARE_ALIGNED(16, uint16_t, above_data[64 + 16]); + uint16_t *above_row = above_data + 16; + const uint16_t *const_above_row = above_row; + const int bs = 4 << tx_size; + int frame_width, frame_height; + int x0, y0; + const struct macroblockd_plane *const pd = &xd->plane[plane]; + // int base=128; + int base = 128 << (bd - 8); + // 127 127 127 .. 127 127 127 127 127 127 + // 129 A B .. Y Z + // 129 C D .. W X + // 129 E F .. U V + // 129 G H .. S T T T T T + + // Get current frame pointer, width and height. + if (plane == 0) { + frame_width = xd->cur_buf->y_width; + frame_height = xd->cur_buf->y_height; + } else { + frame_width = xd->cur_buf->uv_width; + frame_height = xd->cur_buf->uv_height; + } + + // Get block position in current frame. + x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x; + y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y; + + // left + if (left_available) { + if (xd->mb_to_bottom_edge < 0) { + /* slower path if the block needs border extension */ + if (y0 + bs <= frame_height) { + for (i = 0; i < bs; ++i) + left_col[i] = ref[i * ref_stride - 1]; + } else { + const int extend_bottom = frame_height - y0; + for (i = 0; i < extend_bottom; ++i) + left_col[i] = ref[i * ref_stride - 1]; + for (; i < bs; ++i) + left_col[i] = ref[(extend_bottom - 1) * ref_stride - 1]; + } + } else { + /* faster path if the block does not need extension */ + for (i = 0; i < bs; ++i) + left_col[i] = ref[i * ref_stride - 1]; + } + } else { + // TODO(Peter): this value should probably change for high bitdepth + vpx_memset16(left_col, base + 1, bs); + } + + // TODO(hkuang) do not extend 2*bs pixels for all modes. + // above + if (up_available) { + const uint16_t *above_ref = ref - ref_stride; + if (xd->mb_to_right_edge < 0) { + /* slower path if the block needs border extension */ + if (x0 + 2 * bs <= frame_width) { + if (right_available && bs == 4) { + memcpy(above_row, above_ref, 2 * bs * sizeof(uint16_t)); + } else { + memcpy(above_row, above_ref, bs * sizeof(uint16_t)); + vpx_memset16(above_row + bs, above_row[bs - 1], bs); + } + } else if (x0 + bs <= frame_width) { + const int r = frame_width - x0; + if (right_available && bs == 4) { + memcpy(above_row, above_ref, r * sizeof(uint16_t)); + vpx_memset16(above_row + r, above_row[r - 1], + x0 + 2 * bs - frame_width); + } else { + memcpy(above_row, above_ref, bs * sizeof(uint16_t)); + vpx_memset16(above_row + bs, above_row[bs - 1], bs); + } + } else if (x0 <= frame_width) { + const int r = frame_width - x0; + memcpy(above_row, above_ref, r * sizeof(uint16_t)); + vpx_memset16(above_row + r, above_row[r - 1], + x0 + 2 * bs - frame_width); + } + // TODO(Peter) this value should probably change for high bitdepth + above_row[-1] = left_available ? above_ref[-1] : (base+1); + } else { + /* faster path if the block does not need extension */ + if (bs == 4 && right_available && left_available) { + const_above_row = above_ref; + } else { + memcpy(above_row, above_ref, bs * sizeof(uint16_t)); + if (bs == 4 && right_available) + memcpy(above_row + bs, above_ref + bs, bs * sizeof(uint16_t)); + else + vpx_memset16(above_row + bs, above_row[bs - 1], bs); + // TODO(Peter): this value should probably change for high bitdepth + above_row[-1] = left_available ? above_ref[-1] : (base+1); + } + } + } else { + vpx_memset16(above_row, base - 1, bs * 2); + // TODO(Peter): this value should probably change for high bitdepth + above_row[-1] = base - 1; + } + + // predict + if (mode == DC_PRED) { + dc_pred_high[left_available][up_available][tx_size](dst, dst_stride, + const_above_row, + left_col, xd->bd); + } else { + pred_high[mode][tx_size](dst, dst_stride, const_above_row, left_col, + xd->bd); + } +} +#endif // CONFIG_VP9_HIGHBITDEPTH + +static void build_intra_predictors(const MACROBLOCKD *xd, const uint8_t *ref, + int ref_stride, uint8_t *dst, int dst_stride, + PREDICTION_MODE mode, TX_SIZE tx_size, + int up_available, int left_available, + int right_available, int x, int y, + int plane) { + int i; + DECLARE_ALIGNED(16, uint8_t, left_col[32]); + DECLARE_ALIGNED(16, uint8_t, above_data[64 + 16]); + uint8_t *above_row = above_data + 16; + const uint8_t *const_above_row = above_row; + const int bs = 4 << tx_size; + int frame_width, frame_height; + int x0, y0; + const struct macroblockd_plane *const pd = &xd->plane[plane]; + + // 127 127 127 .. 127 127 127 127 127 127 + // 129 A B .. Y Z + // 129 C D .. W X + // 129 E F .. U V + // 129 G H .. S T T T T T + // .. + + // Get current frame pointer, width and height. + if (plane == 0) { + frame_width = xd->cur_buf->y_width; + frame_height = xd->cur_buf->y_height; + } else { + frame_width = xd->cur_buf->uv_width; + frame_height = xd->cur_buf->uv_height; + } + + // Get block position in current frame. + x0 = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)) + x; + y0 = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)) + y; + + // NEED_LEFT + if (extend_modes[mode] & NEED_LEFT) { + if (left_available) { + if (xd->mb_to_bottom_edge < 0) { + /* slower path if the block needs border extension */ + if (y0 + bs <= frame_height) { + for (i = 0; i < bs; ++i) + left_col[i] = ref[i * ref_stride - 1]; + } else { + const int extend_bottom = frame_height - y0; + for (i = 0; i < extend_bottom; ++i) + left_col[i] = ref[i * ref_stride - 1]; + for (; i < bs; ++i) + left_col[i] = ref[(extend_bottom - 1) * ref_stride - 1]; + } + } else { + /* faster path if the block does not need extension */ + for (i = 0; i < bs; ++i) + left_col[i] = ref[i * ref_stride - 1]; + } + } else { + memset(left_col, 129, bs); + } + } + + // NEED_ABOVE + if (extend_modes[mode] & NEED_ABOVE) { + if (up_available) { + const uint8_t *above_ref = ref - ref_stride; + if (xd->mb_to_right_edge < 0) { + /* slower path if the block needs border extension */ + if (x0 + bs <= frame_width) { + memcpy(above_row, above_ref, bs); + } else if (x0 <= frame_width) { + const int r = frame_width - x0; + memcpy(above_row, above_ref, r); + memset(above_row + r, above_row[r - 1], x0 + bs - frame_width); + } + } else { + /* faster path if the block does not need extension */ + if (bs == 4 && right_available && left_available) { + const_above_row = above_ref; + } else { + memcpy(above_row, above_ref, bs); + } + } + above_row[-1] = left_available ? above_ref[-1] : 129; + } else { + memset(above_row, 127, bs); + above_row[-1] = 127; + } + } + + // NEED_ABOVERIGHT + if (extend_modes[mode] & NEED_ABOVERIGHT) { + if (up_available) { + const uint8_t *above_ref = ref - ref_stride; + if (xd->mb_to_right_edge < 0) { + /* slower path if the block needs border extension */ + if (x0 + 2 * bs <= frame_width) { + if (right_available && bs == 4) { + memcpy(above_row, above_ref, 2 * bs); + } else { + memcpy(above_row, above_ref, bs); + memset(above_row + bs, above_row[bs - 1], bs); + } + } else if (x0 + bs <= frame_width) { + const int r = frame_width - x0; + if (right_available && bs == 4) { + memcpy(above_row, above_ref, r); + memset(above_row + r, above_row[r - 1], x0 + 2 * bs - frame_width); + } else { + memcpy(above_row, above_ref, bs); + memset(above_row + bs, above_row[bs - 1], bs); + } + } else if (x0 <= frame_width) { + const int r = frame_width - x0; + memcpy(above_row, above_ref, r); + memset(above_row + r, above_row[r - 1], x0 + 2 * bs - frame_width); + } + } else { + /* faster path if the block does not need extension */ + if (bs == 4 && right_available && left_available) { + const_above_row = above_ref; + } else { + memcpy(above_row, above_ref, bs); + if (bs == 4 && right_available) + memcpy(above_row + bs, above_ref + bs, bs); + else + memset(above_row + bs, above_row[bs - 1], bs); + } + } + above_row[-1] = left_available ? above_ref[-1] : 129; + } else { + memset(above_row, 127, bs * 2); + above_row[-1] = 127; + } + } + + // predict + if (mode == DC_PRED) { + dc_pred[left_available][up_available][tx_size](dst, dst_stride, + const_above_row, left_col); + } else { + pred[mode][tx_size](dst, dst_stride, const_above_row, left_col); + } +} + +void vp9_predict_intra_block(const MACROBLOCKD *xd, int block_idx, int bwl_in, + TX_SIZE tx_size, PREDICTION_MODE mode, + const uint8_t *ref, int ref_stride, + uint8_t *dst, int dst_stride, + int aoff, int loff, int plane) { + const int bwl = bwl_in - tx_size; + const int wmask = (1 << bwl) - 1; + const int have_top = (block_idx >> bwl) || xd->up_available; + const int have_left = (block_idx & wmask) || xd->left_available; + const int have_right = ((block_idx & wmask) != wmask); + const int x = aoff * 4; + const int y = loff * 4; + + assert(bwl >= 0); +#if CONFIG_VP9_HIGHBITDEPTH + if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { + build_intra_predictors_high(xd, ref, ref_stride, dst, dst_stride, mode, + tx_size, have_top, have_left, have_right, + x, y, plane, xd->bd); + return; + } +#endif + build_intra_predictors(xd, ref, ref_stride, dst, dst_stride, mode, tx_size, + have_top, have_left, have_right, x, y, plane); +} + +void vp9_init_intra_predictors(void) { + once(vp9_init_intra_predictors_internal); +} |