| /* |
| * 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 <math.h> |
| #include <string.h> |
| |
| #include "config/aom_scale_rtcd.h" |
| |
| #include "aom/aom_integer.h" |
| #include "aom_ports/system_state.h" |
| #include "av1/common/cdef.h" |
| #include "av1/common/onyxc_int.h" |
| #include "av1/common/reconinter.h" |
| #include "av1/encoder/encoder.h" |
| |
| #define REDUCED_PRI_STRENGTHS 8 |
| #define REDUCED_TOTAL_STRENGTHS (REDUCED_PRI_STRENGTHS * CDEF_SEC_STRENGTHS) |
| #define TOTAL_STRENGTHS (CDEF_PRI_STRENGTHS * CDEF_SEC_STRENGTHS) |
| |
| static const int priconv[REDUCED_PRI_STRENGTHS] = { 0, 1, 2, 3, 5, 7, 10, 13 }; |
| |
| /* Search for the best strength to add as an option, knowing we |
| already selected nb_strengths options. */ |
| static uint64_t search_one(int *lev, int nb_strengths, |
| uint64_t mse[][TOTAL_STRENGTHS], int sb_count, |
| int fast) { |
| uint64_t tot_mse[TOTAL_STRENGTHS]; |
| const int total_strengths = fast ? REDUCED_TOTAL_STRENGTHS : TOTAL_STRENGTHS; |
| int i, j; |
| uint64_t best_tot_mse = (uint64_t)1 << 63; |
| int best_id = 0; |
| memset(tot_mse, 0, sizeof(tot_mse)); |
| for (i = 0; i < sb_count; i++) { |
| int gi; |
| uint64_t best_mse = (uint64_t)1 << 63; |
| /* Find best mse among already selected options. */ |
| for (gi = 0; gi < nb_strengths; gi++) { |
| if (mse[i][lev[gi]] < best_mse) { |
| best_mse = mse[i][lev[gi]]; |
| } |
| } |
| /* Find best mse when adding each possible new option. */ |
| for (j = 0; j < total_strengths; j++) { |
| uint64_t best = best_mse; |
| if (mse[i][j] < best) best = mse[i][j]; |
| tot_mse[j] += best; |
| } |
| } |
| for (j = 0; j < total_strengths; j++) { |
| if (tot_mse[j] < best_tot_mse) { |
| best_tot_mse = tot_mse[j]; |
| best_id = j; |
| } |
| } |
| lev[nb_strengths] = best_id; |
| return best_tot_mse; |
| } |
| |
| /* Search for the best luma+chroma strength to add as an option, knowing we |
| already selected nb_strengths options. */ |
| static uint64_t search_one_dual(int *lev0, int *lev1, int nb_strengths, |
| uint64_t (**mse)[TOTAL_STRENGTHS], int sb_count, |
| int fast) { |
| uint64_t tot_mse[TOTAL_STRENGTHS][TOTAL_STRENGTHS]; |
| int i, j; |
| uint64_t best_tot_mse = (uint64_t)1 << 63; |
| int best_id0 = 0; |
| int best_id1 = 0; |
| const int total_strengths = fast ? REDUCED_TOTAL_STRENGTHS : TOTAL_STRENGTHS; |
| memset(tot_mse, 0, sizeof(tot_mse)); |
| for (i = 0; i < sb_count; i++) { |
| int gi; |
| uint64_t best_mse = (uint64_t)1 << 63; |
| /* Find best mse among already selected options. */ |
| for (gi = 0; gi < nb_strengths; gi++) { |
| uint64_t curr = mse[0][i][lev0[gi]]; |
| curr += mse[1][i][lev1[gi]]; |
| if (curr < best_mse) { |
| best_mse = curr; |
| } |
| } |
| /* Find best mse when adding each possible new option. */ |
| for (j = 0; j < total_strengths; j++) { |
| int k; |
| for (k = 0; k < total_strengths; k++) { |
| uint64_t best = best_mse; |
| uint64_t curr = mse[0][i][j]; |
| curr += mse[1][i][k]; |
| if (curr < best) best = curr; |
| tot_mse[j][k] += best; |
| } |
| } |
| } |
| for (j = 0; j < total_strengths; j++) { |
| int k; |
| for (k = 0; k < total_strengths; k++) { |
| if (tot_mse[j][k] < best_tot_mse) { |
| best_tot_mse = tot_mse[j][k]; |
| best_id0 = j; |
| best_id1 = k; |
| } |
| } |
| } |
| lev0[nb_strengths] = best_id0; |
| lev1[nb_strengths] = best_id1; |
| return best_tot_mse; |
| } |
| |
| /* Search for the set of strengths that minimizes mse. */ |
| static uint64_t joint_strength_search(int *best_lev, int nb_strengths, |
| uint64_t mse[][TOTAL_STRENGTHS], |
| int sb_count, int fast) { |
| uint64_t best_tot_mse; |
| int i; |
| best_tot_mse = (uint64_t)1 << 63; |
| /* Greedy search: add one strength options at a time. */ |
| for (i = 0; i < nb_strengths; i++) { |
| best_tot_mse = search_one(best_lev, i, mse, sb_count, fast); |
| } |
| /* Trying to refine the greedy search by reconsidering each |
| already-selected option. */ |
| if (!fast) { |
| for (i = 0; i < 4 * nb_strengths; i++) { |
| int j; |
| for (j = 0; j < nb_strengths - 1; j++) best_lev[j] = best_lev[j + 1]; |
| best_tot_mse = |
| search_one(best_lev, nb_strengths - 1, mse, sb_count, fast); |
| } |
| } |
| return best_tot_mse; |
| } |
| |
| /* Search for the set of luma+chroma strengths that minimizes mse. */ |
| static uint64_t joint_strength_search_dual(int *best_lev0, int *best_lev1, |
| int nb_strengths, |
| uint64_t (**mse)[TOTAL_STRENGTHS], |
| int sb_count, int fast) { |
| uint64_t best_tot_mse; |
| int i; |
| best_tot_mse = (uint64_t)1 << 63; |
| /* Greedy search: add one strength options at a time. */ |
| for (i = 0; i < nb_strengths; i++) { |
| best_tot_mse = |
| search_one_dual(best_lev0, best_lev1, i, mse, sb_count, fast); |
| } |
| /* Trying to refine the greedy search by reconsidering each |
| already-selected option. */ |
| for (i = 0; i < 4 * nb_strengths; i++) { |
| int j; |
| for (j = 0; j < nb_strengths - 1; j++) { |
| best_lev0[j] = best_lev0[j + 1]; |
| best_lev1[j] = best_lev1[j + 1]; |
| } |
| best_tot_mse = search_one_dual(best_lev0, best_lev1, nb_strengths - 1, mse, |
| sb_count, fast); |
| } |
| return best_tot_mse; |
| } |
| |
| /* FIXME: SSE-optimize this. */ |
| static void copy_sb16_16(uint16_t *dst, int dstride, const uint16_t *src, |
| int src_voffset, int src_hoffset, int sstride, |
| int vsize, int hsize) { |
| int r, c; |
| const uint16_t *base = &src[src_voffset * sstride + src_hoffset]; |
| for (r = 0; r < vsize; r++) { |
| for (c = 0; c < hsize; c++) { |
| dst[r * dstride + c] = base[r * sstride + c]; |
| } |
| } |
| } |
| |
| #if CONFIG_DIST_8X8 |
| static INLINE uint64_t dist_8x8_16bit(uint16_t *dst, int dstride, uint16_t *src, |
| int sstride, int coeff_shift) { |
| uint64_t svar = 0; |
| uint64_t dvar = 0; |
| uint64_t sum_s = 0; |
| uint64_t sum_d = 0; |
| uint64_t sum_s2 = 0; |
| uint64_t sum_d2 = 0; |
| uint64_t sum_sd = 0; |
| int i, j; |
| for (i = 0; i < 8; i++) { |
| for (j = 0; j < 8; j++) { |
| sum_s += src[i * sstride + j]; |
| sum_d += dst[i * dstride + j]; |
| sum_s2 += src[i * sstride + j] * src[i * sstride + j]; |
| sum_d2 += dst[i * dstride + j] * dst[i * dstride + j]; |
| sum_sd += src[i * sstride + j] * dst[i * dstride + j]; |
| } |
| } |
| /* Compute the variance -- the calculation cannot go negative. */ |
| svar = sum_s2 - ((sum_s * sum_s + 32) >> 6); |
| dvar = sum_d2 - ((sum_d * sum_d + 32) >> 6); |
| return (uint64_t)floor( |
| .5 + (sum_d2 + sum_s2 - 2 * sum_sd) * .5 * |
| (svar + dvar + (400 << 2 * coeff_shift)) / |
| (sqrt((20000 << 4 * coeff_shift) + svar * (double)dvar))); |
| } |
| #endif // CONFIG_DIST_8X8 |
| |
| static INLINE uint64_t mse_8x8_16bit(uint16_t *dst, int dstride, uint16_t *src, |
| int sstride) { |
| uint64_t sum = 0; |
| int i, j; |
| for (i = 0; i < 8; i++) { |
| for (j = 0; j < 8; j++) { |
| int e = dst[i * dstride + j] - src[i * sstride + j]; |
| sum += e * e; |
| } |
| } |
| return sum; |
| } |
| |
| static INLINE uint64_t mse_4x4_16bit(uint16_t *dst, int dstride, uint16_t *src, |
| int sstride) { |
| uint64_t sum = 0; |
| int i, j; |
| for (i = 0; i < 4; i++) { |
| for (j = 0; j < 4; j++) { |
| int e = dst[i * dstride + j] - src[i * sstride + j]; |
| sum += e * e; |
| } |
| } |
| return sum; |
| } |
| |
| /* Compute MSE only on the blocks we filtered. */ |
| static uint64_t compute_cdef_dist(uint16_t *dst, int dstride, uint16_t *src, |
| cdef_list *dlist, int cdef_count, |
| BLOCK_SIZE bsize, int coeff_shift, int pli) { |
| uint64_t sum = 0; |
| int bi, bx, by; |
| if (bsize == BLOCK_8X8) { |
| for (bi = 0; bi < cdef_count; bi++) { |
| by = dlist[bi].by; |
| bx = dlist[bi].bx; |
| if (pli == 0) { |
| #if CONFIG_DIST_8X8 |
| sum += dist_8x8_16bit(&dst[(by << 3) * dstride + (bx << 3)], dstride, |
| &src[bi << (3 + 3)], 8, coeff_shift); |
| #else |
| |
| sum += mse_8x8_16bit(&dst[(by << 3) * dstride + (bx << 3)], dstride, |
| &src[bi << (3 + 3)], 8); |
| #endif // CONFIG_DIST_8X8 |
| |
| } else { |
| sum += mse_8x8_16bit(&dst[(by << 3) * dstride + (bx << 3)], dstride, |
| &src[bi << (3 + 3)], 8); |
| } |
| } |
| } else if (bsize == BLOCK_4X8) { |
| for (bi = 0; bi < cdef_count; bi++) { |
| by = dlist[bi].by; |
| bx = dlist[bi].bx; |
| sum += mse_4x4_16bit(&dst[(by << 3) * dstride + (bx << 2)], dstride, |
| &src[bi << (3 + 2)], 4); |
| sum += mse_4x4_16bit(&dst[((by << 3) + 4) * dstride + (bx << 2)], dstride, |
| &src[(bi << (3 + 2)) + 4 * 4], 4); |
| } |
| } else if (bsize == BLOCK_8X4) { |
| for (bi = 0; bi < cdef_count; bi++) { |
| by = dlist[bi].by; |
| bx = dlist[bi].bx; |
| sum += mse_4x4_16bit(&dst[(by << 2) * dstride + (bx << 3)], dstride, |
| &src[bi << (2 + 3)], 8); |
| sum += mse_4x4_16bit(&dst[(by << 2) * dstride + (bx << 3) + 4], dstride, |
| &src[(bi << (2 + 3)) + 4], 8); |
| } |
| } else { |
| assert(bsize == BLOCK_4X4); |
| for (bi = 0; bi < cdef_count; bi++) { |
| by = dlist[bi].by; |
| bx = dlist[bi].bx; |
| sum += mse_4x4_16bit(&dst[(by << 2) * dstride + (bx << 2)], dstride, |
| &src[bi << (2 + 2)], 4); |
| } |
| } |
| return sum >> 2 * coeff_shift; |
| } |
| |
| static int sb_all_skip(const AV1_COMMON *const cm, int mi_row, int mi_col) { |
| const int maxr = AOMMIN(cm->mi_rows - mi_row, MI_SIZE_64X64); |
| const int maxc = AOMMIN(cm->mi_cols - mi_col, MI_SIZE_64X64); |
| const int stride = cm->mi_stride; |
| MB_MODE_INFO **mbmi = cm->mi_grid_base + mi_row * stride + mi_col; |
| for (int r = 0; r < maxr; ++r, mbmi += stride) { |
| for (int c = 0; c < maxc; ++c) { |
| if (!mbmi[c]->skip) return 0; |
| } |
| } |
| return 1; |
| } |
| |
| static void pick_cdef_from_qp(AV1_COMMON *const cm) { |
| const int bd = cm->seq_params.bit_depth; |
| const int q = av1_ac_quant_QTX(cm->base_qindex, 0, bd) >> (bd - 8); |
| CdefInfo *const cdef_info = &cm->cdef_info; |
| cdef_info->cdef_bits = 0; |
| cdef_info->nb_cdef_strengths = 1; |
| cdef_info->cdef_damping = 3 + (cm->base_qindex >> 6); |
| |
| int predicted_y_f1 = 0; |
| int predicted_y_f2 = 0; |
| int predicted_uv_f1 = 0; |
| int predicted_uv_f2 = 0; |
| aom_clear_system_state(); |
| if (!frame_is_intra_only(cm)) { |
| predicted_y_f1 = clamp((int)roundf(-q * q * 0.0000023593946f + |
| q * 0.0068615186f + 0.02709886f), |
| 0, 15); |
| predicted_y_f2 = clamp((int)roundf(-q * q * 0.00000057629734f + |
| q * 0.0013993345f + 0.03831067f), |
| 0, 3); |
| predicted_uv_f1 = clamp((int)roundf(-q * q * 0.0000007095069f + |
| q * 0.0034628846f + 0.00887099f), |
| 0, 15); |
| predicted_uv_f2 = clamp((int)roundf(q * q * 0.00000023874085f + |
| q * 0.00028223585f + 0.05576307f), |
| 0, 3); |
| } else { |
| predicted_y_f1 = clamp( |
| (int)roundf(q * q * 0.0000033731974f + q * 0.008070594f + 0.0187634f), |
| 0, 15); |
| predicted_y_f2 = clamp((int)roundf(-q * q * -0.0000029167343f + |
| q * 0.0027798624f + 0.0079405f), |
| 0, 3); |
| predicted_uv_f1 = clamp( |
| (int)roundf(-q * q * 0.0000130790995f + q * 0.012892405f - 0.00748388f), |
| 0, 15); |
| predicted_uv_f2 = clamp((int)roundf(q * q * 0.0000032651783f + |
| q * 0.00035520183f + 0.00228092f), |
| 0, 3); |
| } |
| cdef_info->cdef_strengths[0] = |
| predicted_y_f1 * CDEF_SEC_STRENGTHS + predicted_y_f2; |
| cdef_info->cdef_uv_strengths[0] = |
| predicted_uv_f1 * CDEF_SEC_STRENGTHS + predicted_uv_f2; |
| |
| const int nvfb = (cm->mi_rows + MI_SIZE_64X64 - 1) / MI_SIZE_64X64; |
| const int nhfb = (cm->mi_cols + MI_SIZE_64X64 - 1) / MI_SIZE_64X64; |
| MB_MODE_INFO **mbmi = cm->mi_grid_base; |
| for (int r = 0; r < nvfb; ++r) { |
| for (int c = 0; c < nhfb; ++c) { |
| mbmi[MI_SIZE_64X64 * c]->cdef_strength = 0; |
| } |
| mbmi += MI_SIZE_64X64 * cm->mi_stride; |
| } |
| } |
| |
| void av1_cdef_search(YV12_BUFFER_CONFIG *frame, const YV12_BUFFER_CONFIG *ref, |
| AV1_COMMON *cm, MACROBLOCKD *xd, int pick_method, |
| int rdmult) { |
| if (pick_method == CDEF_PICK_FROM_Q) { |
| pick_cdef_from_qp(cm); |
| return; |
| } |
| |
| uint16_t *src[3]; |
| uint16_t *ref_coeff[3]; |
| static cdef_list dlist[MI_SIZE_128X128 * MI_SIZE_128X128]; |
| int dir[CDEF_NBLOCKS][CDEF_NBLOCKS] = { { 0 } }; |
| int var[CDEF_NBLOCKS][CDEF_NBLOCKS] = { { 0 } }; |
| const int nvfb = (cm->mi_rows + MI_SIZE_64X64 - 1) / MI_SIZE_64X64; |
| const int nhfb = (cm->mi_cols + MI_SIZE_64X64 - 1) / MI_SIZE_64X64; |
| int *sb_index = aom_malloc(nvfb * nhfb * sizeof(*sb_index)); |
| const int damping = 3 + (cm->base_qindex >> 6); |
| const int fast = pick_method == CDEF_FAST_SEARCH; |
| const int total_strengths = fast ? REDUCED_TOTAL_STRENGTHS : TOTAL_STRENGTHS; |
| DECLARE_ALIGNED(32, uint16_t, tmp_dst[1 << (MAX_SB_SIZE_LOG2 * 2)]); |
| const int num_planes = av1_num_planes(cm); |
| av1_setup_dst_planes(xd->plane, cm->seq_params.sb_size, frame, 0, 0, 0, |
| num_planes); |
| uint64_t(*mse[2])[TOTAL_STRENGTHS]; |
| mse[0] = aom_malloc(sizeof(**mse) * nvfb * nhfb); |
| mse[1] = aom_malloc(sizeof(**mse) * nvfb * nhfb); |
| |
| int stride[3]; |
| int bsize[3]; |
| int mi_wide_l2[3]; |
| int mi_high_l2[3]; |
| int xdec[3]; |
| int ydec[3]; |
| for (int pli = 0; pli < num_planes; pli++) { |
| uint8_t *ref_buffer; |
| int ref_stride; |
| switch (pli) { |
| case 0: |
| ref_buffer = ref->y_buffer; |
| ref_stride = ref->y_stride; |
| break; |
| case 1: |
| ref_buffer = ref->u_buffer; |
| ref_stride = ref->uv_stride; |
| break; |
| case 2: |
| ref_buffer = ref->v_buffer; |
| ref_stride = ref->uv_stride; |
| break; |
| } |
| src[pli] = aom_memalign( |
| 32, sizeof(*src) * cm->mi_rows * cm->mi_cols * MI_SIZE * MI_SIZE); |
| ref_coeff[pli] = aom_memalign( |
| 32, sizeof(*ref_coeff) * cm->mi_rows * cm->mi_cols * MI_SIZE * MI_SIZE); |
| xdec[pli] = xd->plane[pli].subsampling_x; |
| ydec[pli] = xd->plane[pli].subsampling_y; |
| bsize[pli] = ydec[pli] ? (xdec[pli] ? BLOCK_4X4 : BLOCK_8X4) |
| : (xdec[pli] ? BLOCK_4X8 : BLOCK_8X8); |
| stride[pli] = cm->mi_cols << MI_SIZE_LOG2; |
| mi_wide_l2[pli] = MI_SIZE_LOG2 - xd->plane[pli].subsampling_x; |
| mi_high_l2[pli] = MI_SIZE_LOG2 - xd->plane[pli].subsampling_y; |
| |
| const int frame_height = |
| (cm->mi_rows * MI_SIZE) >> xd->plane[pli].subsampling_y; |
| const int frame_width = |
| (cm->mi_cols * MI_SIZE) >> xd->plane[pli].subsampling_x; |
| const int plane_sride = stride[pli]; |
| const int dst_stride = xd->plane[pli].dst.stride; |
| for (int r = 0; r < frame_height; ++r) { |
| for (int c = 0; c < frame_width; ++c) { |
| if (cm->seq_params.use_highbitdepth) { |
| src[pli][r * plane_sride + c] = |
| CONVERT_TO_SHORTPTR(xd->plane[pli].dst.buf)[r * dst_stride + c]; |
| ref_coeff[pli][r * plane_sride + c] = |
| CONVERT_TO_SHORTPTR(ref_buffer)[r * ref_stride + c]; |
| } else { |
| src[pli][r * plane_sride + c] = |
| xd->plane[pli].dst.buf[r * dst_stride + c]; |
| ref_coeff[pli][r * plane_sride + c] = ref_buffer[r * ref_stride + c]; |
| } |
| } |
| } |
| } |
| |
| DECLARE_ALIGNED(32, uint16_t, inbuf[CDEF_INBUF_SIZE]); |
| uint16_t *const in = inbuf + CDEF_VBORDER * CDEF_BSTRIDE + CDEF_HBORDER; |
| const int coeff_shift = AOMMAX(cm->seq_params.bit_depth - 8, 0); |
| int sb_count = 0; |
| for (int fbr = 0; fbr < nvfb; ++fbr) { |
| for (int fbc = 0; fbc < nhfb; ++fbc) { |
| // No filtering if the entire filter block is skipped |
| if (sb_all_skip(cm, fbr * MI_SIZE_64X64, fbc * MI_SIZE_64X64)) continue; |
| |
| const MB_MODE_INFO *const mbmi = |
| cm->mi_grid_base[MI_SIZE_64X64 * fbr * cm->mi_stride + |
| MI_SIZE_64X64 * fbc]; |
| if (((fbc & 1) && |
| (mbmi->sb_type == BLOCK_128X128 || mbmi->sb_type == BLOCK_128X64)) || |
| ((fbr & 1) && |
| (mbmi->sb_type == BLOCK_128X128 || mbmi->sb_type == BLOCK_64X128))) |
| continue; |
| |
| int nhb = AOMMIN(MI_SIZE_64X64, cm->mi_cols - MI_SIZE_64X64 * fbc); |
| int nvb = AOMMIN(MI_SIZE_64X64, cm->mi_rows - MI_SIZE_64X64 * fbr); |
| int hb_step = 1; |
| int vb_step = 1; |
| BLOCK_SIZE bs; |
| if (mbmi->sb_type == BLOCK_128X128 || mbmi->sb_type == BLOCK_128X64 || |
| mbmi->sb_type == BLOCK_64X128) { |
| bs = mbmi->sb_type; |
| if (bs == BLOCK_128X128 || bs == BLOCK_128X64) { |
| nhb = AOMMIN(MI_SIZE_128X128, cm->mi_cols - MI_SIZE_64X64 * fbc); |
| hb_step = 2; |
| } |
| if (bs == BLOCK_128X128 || bs == BLOCK_64X128) { |
| nvb = AOMMIN(MI_SIZE_128X128, cm->mi_rows - MI_SIZE_64X64 * fbr); |
| vb_step = 2; |
| } |
| } else { |
| bs = BLOCK_64X64; |
| } |
| |
| const int cdef_count = av1_cdef_compute_sb_list( |
| cm, fbr * MI_SIZE_64X64, fbc * MI_SIZE_64X64, dlist, bs); |
| |
| const int yoff = CDEF_VBORDER * (fbr != 0); |
| const int xoff = CDEF_HBORDER * (fbc != 0); |
| int dirinit = 0; |
| for (int pli = 0; pli < num_planes; pli++) { |
| for (int i = 0; i < CDEF_INBUF_SIZE; i++) inbuf[i] = CDEF_VERY_LARGE; |
| /* We avoid filtering the pixels for which some of the pixels to average |
| are outside the frame. We could change the filter instead, but it |
| would add special cases for any future vectorization. */ |
| const int ysize = (nvb << mi_high_l2[pli]) + |
| CDEF_VBORDER * (fbr + vb_step < nvfb) + yoff; |
| const int xsize = (nhb << mi_wide_l2[pli]) + |
| CDEF_HBORDER * (fbc + hb_step < nhfb) + xoff; |
| const int row = fbr * MI_SIZE_64X64 << mi_high_l2[pli]; |
| const int col = fbc * MI_SIZE_64X64 << mi_wide_l2[pli]; |
| for (int gi = 0; gi < total_strengths; gi++) { |
| int pri_strength = gi / CDEF_SEC_STRENGTHS; |
| if (fast) pri_strength = priconv[pri_strength]; |
| const int sec_strength = gi % CDEF_SEC_STRENGTHS; |
| copy_sb16_16(&in[(-yoff * CDEF_BSTRIDE - xoff)], CDEF_BSTRIDE, |
| src[pli], row - yoff, col - xoff, stride[pli], ysize, |
| xsize); |
| av1_cdef_filter_fb( |
| NULL, tmp_dst, CDEF_BSTRIDE, in, xdec[pli], ydec[pli], dir, |
| &dirinit, var, pli, dlist, cdef_count, pri_strength, |
| sec_strength + (sec_strength == 3), damping, coeff_shift); |
| const uint64_t curr_mse = compute_cdef_dist( |
| ref_coeff[pli] + row * stride[pli] + col, stride[pli], tmp_dst, |
| dlist, cdef_count, bsize[pli], coeff_shift, pli); |
| if (pli < 2) |
| mse[pli][sb_count][gi] = curr_mse; |
| else |
| mse[1][sb_count][gi] += curr_mse; |
| } |
| } |
| sb_index[sb_count++] = |
| MI_SIZE_64X64 * fbr * cm->mi_stride + MI_SIZE_64X64 * fbc; |
| } |
| } |
| |
| /* Search for different number of signalling bits. */ |
| int nb_strength_bits = 0; |
| uint64_t best_rd = UINT64_MAX; |
| CdefInfo *const cdef_info = &cm->cdef_info; |
| for (int i = 0; i <= 3; i++) { |
| int best_lev0[CDEF_MAX_STRENGTHS]; |
| int best_lev1[CDEF_MAX_STRENGTHS] = { 0 }; |
| const int nb_strengths = 1 << i; |
| uint64_t tot_mse; |
| if (num_planes > 1) { |
| tot_mse = joint_strength_search_dual(best_lev0, best_lev1, nb_strengths, |
| mse, sb_count, fast); |
| } else { |
| tot_mse = joint_strength_search(best_lev0, nb_strengths, mse[0], sb_count, |
| fast); |
| } |
| |
| const int total_bits = sb_count * i + nb_strengths * CDEF_STRENGTH_BITS * |
| (num_planes > 1 ? 2 : 1); |
| const int rate_cost = av1_cost_literal(total_bits); |
| const uint64_t dist = tot_mse * 16; |
| const uint64_t rd = RDCOST(rdmult, rate_cost, dist); |
| if (rd < best_rd) { |
| best_rd = rd; |
| nb_strength_bits = i; |
| memcpy(cdef_info->cdef_strengths, best_lev0, |
| nb_strengths * sizeof(best_lev0[0])); |
| if (num_planes > 1) { |
| memcpy(cdef_info->cdef_uv_strengths, best_lev1, |
| nb_strengths * sizeof(best_lev1[0])); |
| } |
| } |
| } |
| |
| cdef_info->cdef_bits = nb_strength_bits; |
| cdef_info->nb_cdef_strengths = 1 << nb_strength_bits; |
| for (int i = 0; i < sb_count; i++) { |
| uint64_t best_mse = UINT64_MAX; |
| int best_gi = 0; |
| for (int gi = 0; gi < cdef_info->nb_cdef_strengths; gi++) { |
| uint64_t curr = mse[0][i][cdef_info->cdef_strengths[gi]]; |
| if (num_planes > 1) curr += mse[1][i][cdef_info->cdef_uv_strengths[gi]]; |
| if (curr < best_mse) { |
| best_gi = gi; |
| best_mse = curr; |
| } |
| } |
| cm->mi_grid_base[sb_index[i]]->cdef_strength = best_gi; |
| } |
| |
| if (fast) { |
| for (int j = 0; j < cdef_info->nb_cdef_strengths; j++) { |
| const int luma_strength = cdef_info->cdef_strengths[j]; |
| const int chroma_strength = cdef_info->cdef_uv_strengths[j]; |
| cdef_info->cdef_strengths[j] = |
| priconv[luma_strength / CDEF_SEC_STRENGTHS] * CDEF_SEC_STRENGTHS + |
| (luma_strength % CDEF_SEC_STRENGTHS); |
| cdef_info->cdef_uv_strengths[j] = |
| priconv[chroma_strength / CDEF_SEC_STRENGTHS] * CDEF_SEC_STRENGTHS + |
| (chroma_strength % CDEF_SEC_STRENGTHS); |
| } |
| } |
| |
| cdef_info->cdef_damping = damping; |
| |
| aom_free(mse[0]); |
| aom_free(mse[1]); |
| for (int pli = 0; pli < num_planes; pli++) { |
| aom_free(src[pli]); |
| aom_free(ref_coeff[pli]); |
| } |
| aom_free(sb_index); |
| } |
