| /* |
| * 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 "./aom_config.h" |
| #include "./aom_dsp_rtcd.h" |
| #include "./aom_scale_rtcd.h" |
| #include "av1/common/onyxc_int.h" |
| #include "av1/common/restoration.h" |
| #include "aom_dsp/aom_dsp_common.h" |
| #include "aom_mem/aom_mem.h" |
| #include "aom_ports/mem.h" |
| |
| static int domaintxfmrf_vtable[DOMAINTXFMRF_ITERS][DOMAINTXFMRF_PARAMS][256]; |
| |
| static const int domaintxfmrf_params[DOMAINTXFMRF_PARAMS] = { |
| 32, 40, 48, 56, 64, 68, 72, 76, 80, 82, 84, 86, 88, |
| 90, 92, 94, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, |
| 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, |
| 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 130, 132, 134, |
| 136, 138, 140, 142, 146, 150, 154, 158, 162, 166, 170, 174 |
| }; |
| |
| const sgr_params_type sgr_params[SGRPROJ_PARAMS] = { |
| // r1, eps1, r2, eps2 |
| { 2, 25, 1, 11 }, { 2, 35, 1, 12 }, { 2, 45, 1, 13 }, { 2, 55, 1, 14 }, |
| { 2, 65, 1, 15 }, { 3, 50, 2, 25 }, { 3, 60, 2, 35 }, { 3, 70, 2, 45 }, |
| }; |
| |
| typedef void (*restore_func_type)(uint8_t *data8, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *dst8, int dst_stride); |
| #if CONFIG_AOM_HIGHBITDEPTH |
| typedef void (*restore_func_highbd_type)(uint8_t *data8, int width, int height, |
| int stride, RestorationInternal *rst, |
| int bit_depth, uint8_t *dst8, |
| int dst_stride); |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| int av1_alloc_restoration_struct(RestorationInfo *rst_info, int width, |
| int height) { |
| const int ntiles = av1_get_rest_ntiles(width, height, NULL, NULL, NULL, NULL); |
| rst_info->restoration_type = (RestorationType *)aom_realloc( |
| rst_info->restoration_type, sizeof(*rst_info->restoration_type) * ntiles); |
| rst_info->wiener_info = (WienerInfo *)aom_realloc( |
| rst_info->wiener_info, sizeof(*rst_info->wiener_info) * ntiles); |
| assert(rst_info->wiener_info != NULL); |
| memset(rst_info->wiener_info, 0, sizeof(*rst_info->wiener_info) * ntiles); |
| rst_info->sgrproj_info = (SgrprojInfo *)aom_realloc( |
| rst_info->sgrproj_info, sizeof(*rst_info->sgrproj_info) * ntiles); |
| assert(rst_info->sgrproj_info != NULL); |
| rst_info->domaintxfmrf_info = (DomaintxfmrfInfo *)aom_realloc( |
| rst_info->domaintxfmrf_info, |
| sizeof(*rst_info->domaintxfmrf_info) * ntiles); |
| assert(rst_info->domaintxfmrf_info != NULL); |
| return ntiles; |
| } |
| |
| void av1_free_restoration_struct(RestorationInfo *rst_info) { |
| aom_free(rst_info->restoration_type); |
| rst_info->restoration_type = NULL; |
| aom_free(rst_info->wiener_info); |
| rst_info->wiener_info = NULL; |
| aom_free(rst_info->sgrproj_info); |
| rst_info->sgrproj_info = NULL; |
| aom_free(rst_info->domaintxfmrf_info); |
| rst_info->domaintxfmrf_info = NULL; |
| } |
| |
| static void GenDomainTxfmRFVtable() { |
| int i, j; |
| const double sigma_s = sqrt(2.0); |
| for (i = 0; i < DOMAINTXFMRF_ITERS; ++i) { |
| const int nm = (1 << (DOMAINTXFMRF_ITERS - i - 1)); |
| const double A = exp(-DOMAINTXFMRF_MULT / (sigma_s * nm)); |
| for (j = 0; j < DOMAINTXFMRF_PARAMS; ++j) { |
| const double sigma_r = |
| (double)domaintxfmrf_params[j] / DOMAINTXFMRF_SIGMA_SCALE; |
| const double scale = sigma_s / sigma_r; |
| int k; |
| for (k = 0; k < 256; ++k) { |
| domaintxfmrf_vtable[i][j][k] = |
| RINT(DOMAINTXFMRF_VTABLE_PREC * pow(A, 1.0 + k * scale)); |
| } |
| } |
| } |
| } |
| |
| void av1_loop_restoration_precal() { GenDomainTxfmRFVtable(); } |
| |
| static void loop_restoration_init(RestorationInternal *rst, int kf) { |
| rst->keyframe = kf; |
| } |
| |
| void extend_frame(uint8_t *data, int width, int height, int stride) { |
| uint8_t *data_p; |
| int i; |
| for (i = 0; i < height; ++i) { |
| data_p = data + i * stride; |
| memset(data_p - WIENER_HALFWIN, data_p[0], WIENER_HALFWIN); |
| memset(data_p + width, data_p[width - 1], WIENER_HALFWIN); |
| } |
| data_p = data - WIENER_HALFWIN; |
| for (i = -WIENER_HALFWIN; i < 0; ++i) { |
| memcpy(data_p + i * stride, data_p, width + 2 * WIENER_HALFWIN); |
| } |
| for (i = height; i < height + WIENER_HALFWIN; ++i) { |
| memcpy(data_p + i * stride, data_p + (height - 1) * stride, |
| width + 2 * WIENER_HALFWIN); |
| } |
| } |
| |
| static void loop_copy_tile(uint8_t *data, int tile_idx, int subtile_idx, |
| int subtile_bits, int width, int height, int stride, |
| RestorationInternal *rst, uint8_t *dst, |
| int dst_stride) { |
| const int tile_width = rst->tile_width; |
| const int tile_height = rst->tile_height; |
| int i; |
| int h_start, h_end, v_start, v_end; |
| av1_get_rest_tile_limits(tile_idx, subtile_idx, subtile_bits, rst->nhtiles, |
| rst->nvtiles, tile_width, tile_height, width, height, |
| 0, 0, &h_start, &h_end, &v_start, &v_end); |
| for (i = v_start; i < v_end; ++i) |
| memcpy(dst + i * dst_stride + h_start, data + i * stride + h_start, |
| h_end - h_start); |
| } |
| |
| static void loop_wiener_filter_tile(uint8_t *data, int tile_idx, int width, |
| int height, int stride, |
| RestorationInternal *rst, uint8_t *dst, |
| int dst_stride) { |
| const int tile_width = rst->tile_width; |
| const int tile_height = rst->tile_height; |
| int i, j; |
| int h_start, h_end, v_start, v_end; |
| if (rst->rsi->restoration_type[tile_idx] == RESTORE_NONE) { |
| loop_copy_tile(data, tile_idx, 0, 0, width, height, stride, rst, dst, |
| dst_stride); |
| return; |
| } |
| av1_get_rest_tile_limits(tile_idx, 0, 0, rst->nhtiles, rst->nvtiles, |
| tile_width, tile_height, width, height, 0, 0, |
| &h_start, &h_end, &v_start, &v_end); |
| // Convolve the whole tile (done in blocks here to match the requirements |
| // of the vectorized convolve functions, but the result is equivalent) |
| for (i = v_start; i < v_end; i += MAX_SB_SIZE) |
| for (j = h_start; j < h_end; j += MAX_SB_SIZE) { |
| int w = AOMMIN(MAX_SB_SIZE, (h_end - j + 15) & ~15); |
| int h = AOMMIN(MAX_SB_SIZE, (v_end - i + 15) & ~15); |
| const uint8_t *data_p = data + i * stride + j; |
| uint8_t *dst_p = dst + i * dst_stride + j; |
| aom_convolve8_add_src(data_p, stride, dst_p, dst_stride, |
| rst->rsi->wiener_info[tile_idx].hfilter, 16, |
| rst->rsi->wiener_info[tile_idx].vfilter, 16, w, h); |
| } |
| } |
| |
| static void loop_wiener_filter(uint8_t *data, int width, int height, int stride, |
| RestorationInternal *rst, uint8_t *dst, |
| int dst_stride) { |
| int tile_idx; |
| extend_frame(data, width, height, stride); |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_wiener_filter_tile(data, tile_idx, width, height, stride, rst, dst, |
| dst_stride); |
| } |
| } |
| |
| /* Calculate windowed sums (if sqr=0) or sums of squares (if sqr=1) |
| over the input. The window is of size (2r + 1)x(2r + 1), and we |
| specialize to r = 1, 2, 3. A default function is used for r > 3. |
| |
| Each loop follows the same format: We keep a window's worth of input |
| in individual variables and select data out of that as appropriate. |
| */ |
| static void boxsum1(int32_t *src, int width, int height, int src_stride, |
| int sqr, int32_t *dst, int dst_stride) { |
| int i, j, a, b, c; |
| |
| // Vertical sum over 3-pixel regions, from src into dst. |
| if (!sqr) { |
| for (j = 0; j < width; ++j) { |
| a = src[j]; |
| b = src[src_stride + j]; |
| c = src[2 * src_stride + j]; |
| |
| dst[j] = a + b; |
| for (i = 1; i < height - 2; ++i) { |
| // Loop invariant: At the start of each iteration, |
| // a = src[(i - 1) * src_stride + j] |
| // b = src[(i ) * src_stride + j] |
| // c = src[(i + 1) * src_stride + j] |
| dst[i * dst_stride + j] = a + b + c; |
| a = b; |
| b = c; |
| c = src[(i + 2) * src_stride + j]; |
| } |
| dst[i * dst_stride + j] = a + b + c; |
| dst[(i + 1) * dst_stride + j] = b + c; |
| } |
| } else { |
| for (j = 0; j < width; ++j) { |
| a = src[j] * src[j]; |
| b = src[src_stride + j] * src[src_stride + j]; |
| c = src[2 * src_stride + j] * src[2 * src_stride + j]; |
| |
| dst[j] = a + b; |
| for (i = 1; i < height - 2; ++i) { |
| dst[i * dst_stride + j] = a + b + c; |
| a = b; |
| b = c; |
| c = src[(i + 2) * src_stride + j] * src[(i + 2) * src_stride + j]; |
| } |
| dst[i * dst_stride + j] = a + b + c; |
| dst[(i + 1) * dst_stride + j] = b + c; |
| } |
| } |
| |
| // Horizontal sum over 3-pixel regions of dst |
| for (i = 0; i < height; ++i) { |
| a = dst[i * dst_stride]; |
| b = dst[i * dst_stride + 1]; |
| c = dst[i * dst_stride + 2]; |
| |
| dst[i * dst_stride] = a + b; |
| for (j = 1; j < width - 2; ++j) { |
| // Loop invariant: At the start of each iteration, |
| // a = src[i * src_stride + (j - 1)] |
| // b = src[i * src_stride + (j )] |
| // c = src[i * src_stride + (j + 1)] |
| dst[i * dst_stride + j] = a + b + c; |
| a = b; |
| b = c; |
| c = dst[i * dst_stride + (j + 2)]; |
| } |
| dst[i * dst_stride + j] = a + b + c; |
| dst[i * dst_stride + (j + 1)] = b + c; |
| } |
| } |
| |
| static void boxsum2(int32_t *src, int width, int height, int src_stride, |
| int sqr, int32_t *dst, int dst_stride) { |
| int i, j, a, b, c, d, e; |
| |
| // Vertical sum over 5-pixel regions, from src into dst. |
| if (!sqr) { |
| for (j = 0; j < width; ++j) { |
| a = src[j]; |
| b = src[src_stride + j]; |
| c = src[2 * src_stride + j]; |
| d = src[3 * src_stride + j]; |
| e = src[4 * src_stride + j]; |
| |
| dst[j] = a + b + c; |
| dst[dst_stride + j] = a + b + c + d; |
| for (i = 2; i < height - 3; ++i) { |
| // Loop invariant: At the start of each iteration, |
| // a = src[(i - 2) * src_stride + j] |
| // b = src[(i - 1) * src_stride + j] |
| // c = src[(i ) * src_stride + j] |
| // d = src[(i + 1) * src_stride + j] |
| // e = src[(i + 2) * src_stride + j] |
| dst[i * dst_stride + j] = a + b + c + d + e; |
| a = b; |
| b = c; |
| c = d; |
| d = e; |
| e = src[(i + 3) * src_stride + j]; |
| } |
| dst[i * dst_stride + j] = a + b + c + d + e; |
| dst[(i + 1) * dst_stride + j] = b + c + d + e; |
| dst[(i + 2) * dst_stride + j] = c + d + e; |
| } |
| } else { |
| for (j = 0; j < width; ++j) { |
| a = src[j] * src[j]; |
| b = src[src_stride + j] * src[src_stride + j]; |
| c = src[2 * src_stride + j] * src[2 * src_stride + j]; |
| d = src[3 * src_stride + j] * src[3 * src_stride + j]; |
| e = src[4 * src_stride + j] * src[4 * src_stride + j]; |
| |
| dst[j] = a + b + c; |
| dst[dst_stride + j] = a + b + c + d; |
| for (i = 2; i < height - 3; ++i) { |
| dst[i * dst_stride + j] = a + b + c + d + e; |
| a = b; |
| b = c; |
| c = d; |
| d = e; |
| e = src[(i + 3) * src_stride + j] * src[(i + 3) * src_stride + j]; |
| } |
| dst[i * dst_stride + j] = a + b + c + d + e; |
| dst[(i + 1) * dst_stride + j] = b + c + d + e; |
| dst[(i + 2) * dst_stride + j] = c + d + e; |
| } |
| } |
| |
| // Horizontal sum over 5-pixel regions of dst |
| for (i = 0; i < height; ++i) { |
| a = dst[i * dst_stride]; |
| b = dst[i * dst_stride + 1]; |
| c = dst[i * dst_stride + 2]; |
| d = dst[i * dst_stride + 3]; |
| e = dst[i * dst_stride + 4]; |
| |
| dst[i * dst_stride] = a + b + c; |
| dst[i * dst_stride + 1] = a + b + c + d; |
| for (j = 2; j < width - 3; ++j) { |
| // Loop invariant: At the start of each iteration, |
| // a = src[i * src_stride + (j - 2)] |
| // b = src[i * src_stride + (j - 1)] |
| // c = src[i * src_stride + (j )] |
| // d = src[i * src_stride + (j + 1)] |
| // e = src[i * src_stride + (j + 2)] |
| dst[i * dst_stride + j] = a + b + c + d + e; |
| a = b; |
| b = c; |
| c = d; |
| d = e; |
| e = dst[i * dst_stride + (j + 3)]; |
| } |
| dst[i * dst_stride + j] = a + b + c + d + e; |
| dst[i * dst_stride + (j + 1)] = b + c + d + e; |
| dst[i * dst_stride + (j + 2)] = c + d + e; |
| } |
| } |
| |
| static void boxsum3(int32_t *src, int width, int height, int src_stride, |
| int sqr, int32_t *dst, int dst_stride) { |
| int i, j, a, b, c, d, e, f, g; |
| |
| // Vertical sum over 7-pixel regions, from src into dst. |
| if (!sqr) { |
| for (j = 0; j < width; ++j) { |
| a = src[j]; |
| b = src[1 * src_stride + j]; |
| c = src[2 * src_stride + j]; |
| d = src[3 * src_stride + j]; |
| e = src[4 * src_stride + j]; |
| f = src[5 * src_stride + j]; |
| g = src[6 * src_stride + j]; |
| |
| dst[j] = a + b + c + d; |
| dst[dst_stride + j] = a + b + c + d + e; |
| dst[2 * dst_stride + j] = a + b + c + d + e + f; |
| for (i = 3; i < height - 4; ++i) { |
| dst[i * dst_stride + j] = a + b + c + d + e + f + g; |
| a = b; |
| b = c; |
| c = d; |
| d = e; |
| e = f; |
| f = g; |
| g = src[(i + 4) * src_stride + j]; |
| } |
| dst[i * dst_stride + j] = a + b + c + d + e + f + g; |
| dst[(i + 1) * dst_stride + j] = b + c + d + e + f + g; |
| dst[(i + 2) * dst_stride + j] = c + d + e + f + g; |
| dst[(i + 3) * dst_stride + j] = d + e + f + g; |
| } |
| } else { |
| for (j = 0; j < width; ++j) { |
| a = src[j] * src[j]; |
| b = src[1 * src_stride + j] * src[1 * src_stride + j]; |
| c = src[2 * src_stride + j] * src[2 * src_stride + j]; |
| d = src[3 * src_stride + j] * src[3 * src_stride + j]; |
| e = src[4 * src_stride + j] * src[4 * src_stride + j]; |
| f = src[5 * src_stride + j] * src[5 * src_stride + j]; |
| g = src[6 * src_stride + j] * src[6 * src_stride + j]; |
| |
| dst[j] = a + b + c + d; |
| dst[dst_stride + j] = a + b + c + d + e; |
| dst[2 * dst_stride + j] = a + b + c + d + e + f; |
| for (i = 3; i < height - 4; ++i) { |
| dst[i * dst_stride + j] = a + b + c + d + e + f + g; |
| a = b; |
| b = c; |
| c = d; |
| d = e; |
| e = f; |
| f = g; |
| g = src[(i + 4) * src_stride + j] * src[(i + 4) * src_stride + j]; |
| } |
| dst[i * dst_stride + j] = a + b + c + d + e + f + g; |
| dst[(i + 1) * dst_stride + j] = b + c + d + e + f + g; |
| dst[(i + 2) * dst_stride + j] = c + d + e + f + g; |
| dst[(i + 3) * dst_stride + j] = d + e + f + g; |
| } |
| } |
| |
| // Horizontal sum over 7-pixel regions of dst |
| for (i = 0; i < height; ++i) { |
| a = dst[i * dst_stride]; |
| b = dst[i * dst_stride + 1]; |
| c = dst[i * dst_stride + 2]; |
| d = dst[i * dst_stride + 3]; |
| e = dst[i * dst_stride + 4]; |
| f = dst[i * dst_stride + 5]; |
| g = dst[i * dst_stride + 6]; |
| |
| dst[i * dst_stride] = a + b + c + d; |
| dst[i * dst_stride + 1] = a + b + c + d + e; |
| dst[i * dst_stride + 2] = a + b + c + d + e + f; |
| for (j = 3; j < width - 4; ++j) { |
| dst[i * dst_stride + j] = a + b + c + d + e + f + g; |
| a = b; |
| b = c; |
| c = d; |
| d = e; |
| e = f; |
| f = g; |
| g = dst[i * dst_stride + (j + 4)]; |
| } |
| dst[i * dst_stride + j] = a + b + c + d + e + f + g; |
| dst[i * dst_stride + (j + 1)] = b + c + d + e + f + g; |
| dst[i * dst_stride + (j + 2)] = c + d + e + f + g; |
| dst[i * dst_stride + (j + 3)] = d + e + f + g; |
| } |
| } |
| |
| // Generic version for any r. To be removed after experiments are done. |
| static void boxsumr(int32_t *src, int width, int height, int src_stride, int r, |
| int sqr, int32_t *dst, int dst_stride) { |
| int32_t *tmp = aom_malloc(width * height * sizeof(*tmp)); |
| int tmp_stride = width; |
| int i, j; |
| if (sqr) { |
| for (j = 0; j < width; ++j) tmp[j] = src[j] * src[j]; |
| for (j = 0; j < width; ++j) |
| for (i = 1; i < height; ++i) |
| tmp[i * tmp_stride + j] = |
| tmp[(i - 1) * tmp_stride + j] + |
| src[i * src_stride + j] * src[i * src_stride + j]; |
| } else { |
| memcpy(tmp, src, sizeof(*tmp) * width); |
| for (j = 0; j < width; ++j) |
| for (i = 1; i < height; ++i) |
| tmp[i * tmp_stride + j] = |
| tmp[(i - 1) * tmp_stride + j] + src[i * src_stride + j]; |
| } |
| for (i = 0; i <= r; ++i) |
| memcpy(&dst[i * dst_stride], &tmp[(i + r) * tmp_stride], |
| sizeof(*tmp) * width); |
| for (i = r + 1; i < height - r; ++i) |
| for (j = 0; j < width; ++j) |
| dst[i * dst_stride + j] = |
| tmp[(i + r) * tmp_stride + j] - tmp[(i - r - 1) * tmp_stride + j]; |
| for (i = height - r; i < height; ++i) |
| for (j = 0; j < width; ++j) |
| dst[i * dst_stride + j] = tmp[(height - 1) * tmp_stride + j] - |
| tmp[(i - r - 1) * tmp_stride + j]; |
| |
| for (i = 0; i < height; ++i) tmp[i * tmp_stride] = dst[i * dst_stride]; |
| for (i = 0; i < height; ++i) |
| for (j = 1; j < width; ++j) |
| tmp[i * tmp_stride + j] = |
| tmp[i * tmp_stride + j - 1] + dst[i * src_stride + j]; |
| |
| for (j = 0; j <= r; ++j) |
| for (i = 0; i < height; ++i) |
| dst[i * dst_stride + j] = tmp[i * tmp_stride + j + r]; |
| for (j = r + 1; j < width - r; ++j) |
| for (i = 0; i < height; ++i) |
| dst[i * dst_stride + j] = |
| tmp[i * tmp_stride + j + r] - tmp[i * tmp_stride + j - r - 1]; |
| for (j = width - r; j < width; ++j) |
| for (i = 0; i < height; ++i) |
| dst[i * dst_stride + j] = |
| tmp[i * tmp_stride + width - 1] - tmp[i * tmp_stride + j - r - 1]; |
| aom_free(tmp); |
| } |
| |
| static void boxsum(int32_t *src, int width, int height, int src_stride, int r, |
| int sqr, int32_t *dst, int dst_stride) { |
| if (r == 1) |
| boxsum1(src, width, height, src_stride, sqr, dst, dst_stride); |
| else if (r == 2) |
| boxsum2(src, width, height, src_stride, sqr, dst, dst_stride); |
| else if (r == 3) |
| boxsum3(src, width, height, src_stride, sqr, dst, dst_stride); |
| else |
| boxsumr(src, width, height, src_stride, r, sqr, dst, dst_stride); |
| } |
| |
| static void boxnum(int width, int height, int r, int8_t *num, int num_stride) { |
| int i, j; |
| for (i = 0; i <= r; ++i) { |
| for (j = 0; j <= r; ++j) { |
| num[i * num_stride + j] = (r + 1 + i) * (r + 1 + j); |
| num[i * num_stride + (width - 1 - j)] = num[i * num_stride + j]; |
| num[(height - 1 - i) * num_stride + j] = num[i * num_stride + j]; |
| num[(height - 1 - i) * num_stride + (width - 1 - j)] = |
| num[i * num_stride + j]; |
| } |
| } |
| for (j = 0; j <= r; ++j) { |
| const int val = (2 * r + 1) * (r + 1 + j); |
| for (i = r + 1; i < height - r; ++i) { |
| num[i * num_stride + j] = val; |
| num[i * num_stride + (width - 1 - j)] = val; |
| } |
| } |
| for (i = 0; i <= r; ++i) { |
| const int val = (2 * r + 1) * (r + 1 + i); |
| for (j = r + 1; j < width - r; ++j) { |
| num[i * num_stride + j] = val; |
| num[(height - 1 - i) * num_stride + j] = val; |
| } |
| } |
| for (i = r + 1; i < height - r; ++i) { |
| for (j = r + 1; j < width - r; ++j) { |
| num[i * num_stride + j] = (2 * r + 1) * (2 * r + 1); |
| } |
| } |
| } |
| |
| void decode_xq(int *xqd, int *xq) { |
| xq[0] = -xqd[0]; |
| xq[1] = (1 << SGRPROJ_PRJ_BITS) - xq[0] - xqd[1]; |
| } |
| |
| #define APPROXIMATE_SGR 1 |
| void av1_selfguided_restoration(int32_t *dgd, int width, int height, int stride, |
| int bit_depth, int r, int eps, |
| int32_t *tmpbuf) { |
| int32_t *A = tmpbuf; |
| int32_t *B = A + RESTORATION_TILEPELS_MAX; |
| int8_t num[RESTORATION_TILEPELS_MAX]; |
| int i, j; |
| eps <<= 2 * (bit_depth - 8); |
| |
| // Don't filter tiles with dimensions < 5 on any axis |
| if ((width < 5) || (height < 5)) return; |
| |
| boxsum(dgd, width, height, stride, r, 0, B, width); |
| boxsum(dgd, width, height, stride, r, 1, A, width); |
| boxnum(width, height, r, num, width); |
| // The following loop is optimized assuming r <= 2. If we allow |
| // r > 2, then the loop will need modifying. |
| assert(r <= 3); |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| const int k = i * width + j; |
| const int n = num[k]; |
| // Assuming that we only allow up to 12-bit depth and r <= 2, |
| // we calculate p = n^2 * Var(n-pixel block of original image) |
| // (where n = 2 * r + 1 <= 5). |
| // |
| // There is an inequality which gives a bound on the variance: |
| // https://en.wikipedia.org/wiki/Popoviciu's_inequality_on_variances |
| // In this case, since each pixel is in the range [0, 2^12), |
| // the variance is at most 1/4 * (2^12)^2 = 2^22. |
| // Then p <= 25^2 * 2^22 < 2^32, and also q <= p + 25^2 * 68 < 2^32. |
| // |
| // The point of all this is to guarantee that q < 2^32, so that |
| // platforms with a 64-bit by 32-bit divide unit (eg, x86) |
| // can do the division by q more efficiently. |
| const uint32_t p = (uint32_t)((uint64_t)A[k] * n - (uint64_t)B[k] * B[k]); |
| const uint32_t q = (uint32_t)(p + n * n * eps); |
| assert((uint64_t)A[k] * n - (uint64_t)B[k] * B[k] < (25 * 25U << 22)); |
| A[k] = (int32_t)(((uint64_t)p << SGRPROJ_SGR_BITS) + (q >> 1)) / q; |
| B[k] = ((SGRPROJ_SGR - A[k]) * B[k] + (n >> 1)) / n; |
| } |
| } |
| #if APPROXIMATE_SGR |
| i = 0; |
| j = 0; |
| { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int nb = 3; |
| const int32_t a = |
| 3 * A[k] + 2 * A[k + 1] + 2 * A[k + width] + A[k + width + 1]; |
| const int32_t b = |
| 3 * B[k] + 2 * B[k + 1] + 2 * B[k + width] + B[k + width + 1]; |
| const int32_t v = |
| (((a * dgd[l] + b) << SGRPROJ_RST_BITS) + (1 << nb) / 2) >> nb; |
| dgd[l] = ROUND_POWER_OF_TWO(v, SGRPROJ_SGR_BITS); |
| } |
| i = 0; |
| j = width - 1; |
| { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int nb = 3; |
| const int32_t a = |
| 3 * A[k] + 2 * A[k - 1] + 2 * A[k + width] + A[k + width - 1]; |
| const int32_t b = |
| 3 * B[k] + 2 * B[k - 1] + 2 * B[k + width] + B[k + width - 1]; |
| const int32_t v = |
| (((a * dgd[l] + b) << SGRPROJ_RST_BITS) + (1 << nb) / 2) >> nb; |
| dgd[l] = ROUND_POWER_OF_TWO(v, SGRPROJ_SGR_BITS); |
| } |
| i = height - 1; |
| j = 0; |
| { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int nb = 3; |
| const int32_t a = |
| 3 * A[k] + 2 * A[k + 1] + 2 * A[k - width] + A[k - width + 1]; |
| const int32_t b = |
| 3 * B[k] + 2 * B[k + 1] + 2 * B[k - width] + B[k - width + 1]; |
| const int32_t v = |
| (((a * dgd[l] + b) << SGRPROJ_RST_BITS) + (1 << nb) / 2) >> nb; |
| dgd[l] = ROUND_POWER_OF_TWO(v, SGRPROJ_SGR_BITS); |
| } |
| i = height - 1; |
| j = width - 1; |
| { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int nb = 3; |
| const int32_t a = |
| 3 * A[k] + 2 * A[k - 1] + 2 * A[k - width] + A[k - width - 1]; |
| const int32_t b = |
| 3 * B[k] + 2 * B[k - 1] + 2 * B[k - width] + B[k - width - 1]; |
| const int32_t v = |
| (((a * dgd[l] + b) << SGRPROJ_RST_BITS) + (1 << nb) / 2) >> nb; |
| dgd[l] = ROUND_POWER_OF_TWO(v, SGRPROJ_SGR_BITS); |
| } |
| i = 0; |
| for (j = 1; j < width - 1; ++j) { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int nb = 3; |
| const int32_t a = A[k] + 2 * (A[k - 1] + A[k + 1]) + A[k + width] + |
| A[k + width - 1] + A[k + width + 1]; |
| const int32_t b = B[k] + 2 * (B[k - 1] + B[k + 1]) + B[k + width] + |
| B[k + width - 1] + B[k + width + 1]; |
| const int32_t v = |
| (((a * dgd[l] + b) << SGRPROJ_RST_BITS) + (1 << nb) / 2) >> nb; |
| dgd[l] = ROUND_POWER_OF_TWO(v, SGRPROJ_SGR_BITS); |
| } |
| i = height - 1; |
| for (j = 1; j < width - 1; ++j) { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int nb = 3; |
| const int32_t a = A[k] + 2 * (A[k - 1] + A[k + 1]) + A[k - width] + |
| A[k - width - 1] + A[k - width + 1]; |
| const int32_t b = B[k] + 2 * (B[k - 1] + B[k + 1]) + B[k - width] + |
| B[k - width - 1] + B[k - width + 1]; |
| const int32_t v = |
| (((a * dgd[l] + b) << SGRPROJ_RST_BITS) + (1 << nb) / 2) >> nb; |
| dgd[l] = ROUND_POWER_OF_TWO(v, SGRPROJ_SGR_BITS); |
| } |
| j = 0; |
| for (i = 1; i < height - 1; ++i) { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int nb = 3; |
| const int32_t a = A[k] + 2 * (A[k - width] + A[k + width]) + A[k + 1] + |
| A[k - width + 1] + A[k + width + 1]; |
| const int32_t b = B[k] + 2 * (B[k - width] + B[k + width]) + B[k + 1] + |
| B[k - width + 1] + B[k + width + 1]; |
| const int32_t v = |
| (((a * dgd[l] + b) << SGRPROJ_RST_BITS) + (1 << nb) / 2) >> nb; |
| dgd[l] = ROUND_POWER_OF_TWO(v, SGRPROJ_SGR_BITS); |
| } |
| j = width - 1; |
| for (i = 1; i < height - 1; ++i) { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int nb = 3; |
| const int32_t a = A[k] + 2 * (A[k - width] + A[k + width]) + A[k - 1] + |
| A[k - width - 1] + A[k + width - 1]; |
| const int32_t b = B[k] + 2 * (B[k - width] + B[k + width]) + B[k - 1] + |
| B[k - width - 1] + B[k + width - 1]; |
| const int32_t v = |
| (((a * dgd[l] + b) << SGRPROJ_RST_BITS) + (1 << nb) / 2) >> nb; |
| dgd[l] = ROUND_POWER_OF_TWO(v, SGRPROJ_SGR_BITS); |
| } |
| for (i = 1; i < height - 1; ++i) { |
| for (j = 1; j < width - 1; ++j) { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int nb = 5; |
| const int32_t a = |
| (A[k] + A[k - 1] + A[k + 1] + A[k - width] + A[k + width]) * 4 + |
| (A[k - 1 - width] + A[k - 1 + width] + A[k + 1 - width] + |
| A[k + 1 + width]) * |
| 3; |
| const int32_t b = |
| (B[k] + B[k - 1] + B[k + 1] + B[k - width] + B[k + width]) * 4 + |
| (B[k - 1 - width] + B[k - 1 + width] + B[k + 1 - width] + |
| B[k + 1 + width]) * |
| 3; |
| const int32_t v = |
| (((a * dgd[l] + b) << SGRPROJ_RST_BITS) + (1 << nb) / 2) >> nb; |
| dgd[l] = ROUND_POWER_OF_TWO(v, SGRPROJ_SGR_BITS); |
| } |
| } |
| #else |
| if (r > 1) boxnum(width, height, r = 1, num, width); |
| boxsum(A, width, height, width, r, 0, A, width); |
| boxsum(B, width, height, width, r, 0, B, width); |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int n = num[k]; |
| const int32_t v = |
| (((A[k] * dgd[l] + B[k]) << SGRPROJ_RST_BITS) + (n >> 1)) / n; |
| dgd[l] = ROUND_POWER_OF_TWO(v, SGRPROJ_SGR_BITS); |
| } |
| } |
| #endif // APPROXIMATE_SGR |
| } |
| |
| static void apply_selfguided_restoration(uint8_t *dat, int width, int height, |
| int stride, int bit_depth, int eps, |
| int *xqd, uint8_t *dst, int dst_stride, |
| int32_t *tmpbuf) { |
| int xq[2]; |
| int32_t *flt1 = tmpbuf; |
| int32_t *flt2 = flt1 + RESTORATION_TILEPELS_MAX; |
| int32_t *tmpbuf2 = flt2 + RESTORATION_TILEPELS_MAX; |
| int i, j; |
| assert(width * height <= RESTORATION_TILEPELS_MAX); |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| flt1[i * width + j] = dat[i * stride + j]; |
| flt2[i * width + j] = dat[i * stride + j]; |
| } |
| } |
| av1_selfguided_restoration(flt1, width, height, width, bit_depth, |
| sgr_params[eps].r1, sgr_params[eps].e1, tmpbuf2); |
| av1_selfguided_restoration(flt2, width, height, width, bit_depth, |
| sgr_params[eps].r2, sgr_params[eps].e2, tmpbuf2); |
| decode_xq(xqd, xq); |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int m = i * dst_stride + j; |
| const int32_t u = ((int32_t)dat[l] << SGRPROJ_RST_BITS); |
| const int32_t f1 = (int32_t)flt1[k] - u; |
| const int32_t f2 = (int32_t)flt2[k] - u; |
| const int64_t v = xq[0] * f1 + xq[1] * f2 + (u << SGRPROJ_PRJ_BITS); |
| const int16_t w = |
| (int16_t)ROUND_POWER_OF_TWO(v, SGRPROJ_PRJ_BITS + SGRPROJ_RST_BITS); |
| dst[m] = clip_pixel(w); |
| } |
| } |
| } |
| |
| static void loop_sgrproj_filter_tile(uint8_t *data, int tile_idx, int width, |
| int height, int stride, |
| RestorationInternal *rst, uint8_t *dst, |
| int dst_stride) { |
| const int tile_width = rst->tile_width; |
| const int tile_height = rst->tile_height; |
| int h_start, h_end, v_start, v_end; |
| uint8_t *data_p, *dst_p; |
| |
| if (rst->rsi->restoration_type[tile_idx] == RESTORE_NONE) { |
| loop_copy_tile(data, tile_idx, 0, 0, width, height, stride, rst, dst, |
| dst_stride); |
| return; |
| } |
| av1_get_rest_tile_limits(tile_idx, 0, 0, rst->nhtiles, rst->nvtiles, |
| tile_width, tile_height, width, height, 0, 0, |
| &h_start, &h_end, &v_start, &v_end); |
| data_p = data + h_start + v_start * stride; |
| dst_p = dst + h_start + v_start * dst_stride; |
| apply_selfguided_restoration(data_p, h_end - h_start, v_end - v_start, stride, |
| 8, rst->rsi->sgrproj_info[tile_idx].ep, |
| rst->rsi->sgrproj_info[tile_idx].xqd, dst_p, |
| dst_stride, rst->tmpbuf); |
| } |
| |
| static void loop_sgrproj_filter(uint8_t *data, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *dst, int dst_stride) { |
| int tile_idx; |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_sgrproj_filter_tile(data, tile_idx, width, height, stride, rst, dst, |
| dst_stride); |
| } |
| } |
| |
| static void apply_domaintxfmrf(int iter, int param, uint8_t *diff_right, |
| uint8_t *diff_down, int width, int height, |
| int32_t *dat, int dat_stride) { |
| int i, j, acc; |
| // Do first row separately, to initialize the top to bottom filter |
| i = 0; |
| { |
| // left to right |
| acc = dat[i * dat_stride] * DOMAINTXFMRF_VTABLE_PREC; |
| dat[i * dat_stride] = acc; |
| for (j = 1; j < width; ++j) { |
| const int in = dat[i * dat_stride + j]; |
| const int diff = |
| diff_right[i * width + j - 1]; // Left absolute difference |
| const int v = domaintxfmrf_vtable[iter][param][diff]; |
| acc = in * (DOMAINTXFMRF_VTABLE_PREC - v) + |
| ROUND_POWER_OF_TWO(v * acc, DOMAINTXFMRF_VTABLE_PRECBITS); |
| dat[i * dat_stride + j] = acc; |
| } |
| // right to left |
| for (j = width - 2; j >= 0; --j) { |
| const int in = dat[i * dat_stride + j]; |
| const int diff = diff_right[i * width + j]; // Right absolute difference |
| const int v = domaintxfmrf_vtable[iter][param][diff]; |
| acc = ROUND_POWER_OF_TWO(in * (DOMAINTXFMRF_VTABLE_PREC - v) + acc * v, |
| DOMAINTXFMRF_VTABLE_PRECBITS); |
| dat[i * dat_stride + j] = acc; |
| } |
| } |
| |
| for (i = 1; i < height; ++i) { |
| // left to right |
| acc = dat[i * dat_stride] * DOMAINTXFMRF_VTABLE_PREC; |
| dat[i * dat_stride] = acc; |
| for (j = 1; j < width; ++j) { |
| const int in = dat[i * dat_stride + j]; |
| const int diff = |
| diff_right[i * width + j - 1]; // Left absolute difference |
| const int v = domaintxfmrf_vtable[iter][param][diff]; |
| acc = in * (DOMAINTXFMRF_VTABLE_PREC - v) + |
| ROUND_POWER_OF_TWO(v * acc, DOMAINTXFMRF_VTABLE_PRECBITS); |
| dat[i * dat_stride + j] = acc; |
| } |
| // right to left |
| for (j = width - 2; j >= 0; --j) { |
| const int in = dat[i * dat_stride + j]; |
| const int diff = diff_right[i * width + j]; // Right absolute difference |
| const int v = domaintxfmrf_vtable[iter][param][diff]; |
| acc = ROUND_POWER_OF_TWO(in * (DOMAINTXFMRF_VTABLE_PREC - v) + acc * v, |
| DOMAINTXFMRF_VTABLE_PRECBITS); |
| dat[i * dat_stride + j] = acc; |
| } |
| // top to bottom |
| for (j = 0; j < width; ++j) { |
| const int in = dat[i * dat_stride + j]; |
| const int in_above = dat[(i - 1) * dat_stride + j]; |
| const int diff = |
| diff_down[(i - 1) * width + j]; // Upward absolute difference |
| const int v = domaintxfmrf_vtable[iter][param][diff]; |
| acc = |
| ROUND_POWER_OF_TWO(in * (DOMAINTXFMRF_VTABLE_PREC - v) + in_above * v, |
| DOMAINTXFMRF_VTABLE_PRECBITS); |
| dat[i * dat_stride + j] = acc; |
| } |
| } |
| for (j = 0; j < width; ++j) { |
| // bottom to top + output rounding |
| acc = dat[(height - 1) * dat_stride + j]; |
| dat[(height - 1) * dat_stride + j] = |
| ROUND_POWER_OF_TWO(acc, DOMAINTXFMRF_VTABLE_PRECBITS); |
| for (i = height - 2; i >= 0; --i) { |
| const int in = dat[i * dat_stride + j]; |
| const int diff = |
| diff_down[i * width + j]; // Downward absolute difference |
| const int v = domaintxfmrf_vtable[iter][param][diff]; |
| acc = ROUND_POWER_OF_TWO(in * (DOMAINTXFMRF_VTABLE_PREC - v) + acc * v, |
| DOMAINTXFMRF_VTABLE_PRECBITS); |
| dat[i * dat_stride + j] = |
| ROUND_POWER_OF_TWO(acc, DOMAINTXFMRF_VTABLE_PRECBITS); |
| } |
| } |
| } |
| |
| void av1_domaintxfmrf_restoration(uint8_t *dgd, int width, int height, |
| int stride, int param, uint8_t *dst, |
| int dst_stride, int32_t *tmpbuf) { |
| int32_t *dat = tmpbuf; |
| uint8_t *diff_right = (uint8_t *)(tmpbuf + RESTORATION_TILEPELS_MAX); |
| uint8_t *diff_down = diff_right + RESTORATION_TILEPELS_MAX; |
| int i, j, t; |
| |
| for (i = 0; i < height; ++i) { |
| int cur_px = dgd[i * stride]; |
| for (j = 0; j < width - 1; ++j) { |
| const int next_px = dgd[i * stride + j + 1]; |
| diff_right[i * width + j] = abs(cur_px - next_px); |
| cur_px = next_px; |
| } |
| } |
| for (j = 0; j < width; ++j) { |
| int cur_px = dgd[j]; |
| for (i = 0; i < height - 1; ++i) { |
| const int next_px = dgd[(i + 1) * stride + j]; |
| diff_down[i * width + j] = abs(cur_px - next_px); |
| cur_px = next_px; |
| } |
| } |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| dat[i * width + j] = dgd[i * stride + j]; |
| } |
| } |
| |
| for (t = 0; t < DOMAINTXFMRF_ITERS; ++t) { |
| apply_domaintxfmrf(t, param, diff_right, diff_down, width, height, dat, |
| width); |
| } |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| dst[i * dst_stride + j] = clip_pixel(dat[i * width + j]); |
| } |
| } |
| } |
| |
| static void loop_domaintxfmrf_filter_tile(uint8_t *data, int tile_idx, |
| int width, int height, int stride, |
| RestorationInternal *rst, |
| uint8_t *dst, int dst_stride) { |
| const int tile_width = rst->tile_width; |
| const int tile_height = rst->tile_height; |
| int h_start, h_end, v_start, v_end; |
| int32_t *tmpbuf = (int32_t *)rst->tmpbuf; |
| |
| if (rst->rsi->restoration_type[tile_idx] == RESTORE_NONE) { |
| loop_copy_tile(data, tile_idx, 0, 0, width, height, stride, rst, dst, |
| dst_stride); |
| return; |
| } |
| av1_get_rest_tile_limits(tile_idx, 0, 0, rst->nhtiles, rst->nvtiles, |
| tile_width, tile_height, width, height, 0, 0, |
| &h_start, &h_end, &v_start, &v_end); |
| av1_domaintxfmrf_restoration( |
| data + h_start + v_start * stride, h_end - h_start, v_end - v_start, |
| stride, rst->rsi->domaintxfmrf_info[tile_idx].sigma_r, |
| dst + h_start + v_start * dst_stride, dst_stride, tmpbuf); |
| } |
| |
| static void loop_domaintxfmrf_filter(uint8_t *data, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *dst, int dst_stride) { |
| int tile_idx; |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_domaintxfmrf_filter_tile(data, tile_idx, width, height, stride, rst, |
| dst, dst_stride); |
| } |
| } |
| |
| static void loop_switchable_filter(uint8_t *data, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *dst, int dst_stride) { |
| int tile_idx; |
| extend_frame(data, width, height, stride); |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| if (rst->rsi->restoration_type[tile_idx] == RESTORE_NONE) { |
| loop_copy_tile(data, tile_idx, 0, 0, width, height, stride, rst, dst, |
| dst_stride); |
| } else if (rst->rsi->restoration_type[tile_idx] == RESTORE_WIENER) { |
| loop_wiener_filter_tile(data, tile_idx, width, height, stride, rst, dst, |
| dst_stride); |
| } else if (rst->rsi->restoration_type[tile_idx] == RESTORE_SGRPROJ) { |
| loop_sgrproj_filter_tile(data, tile_idx, width, height, stride, rst, dst, |
| dst_stride); |
| } else if (rst->rsi->restoration_type[tile_idx] == RESTORE_DOMAINTXFMRF) { |
| loop_domaintxfmrf_filter_tile(data, tile_idx, width, height, stride, rst, |
| dst, dst_stride); |
| } |
| } |
| } |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void extend_frame_highbd(uint16_t *data, int width, int height, int stride) { |
| uint16_t *data_p; |
| int i, j; |
| for (i = 0; i < height; ++i) { |
| data_p = data + i * stride; |
| for (j = -WIENER_HALFWIN; j < 0; ++j) data_p[j] = data_p[0]; |
| for (j = width; j < width + WIENER_HALFWIN; ++j) |
| data_p[j] = data_p[width - 1]; |
| } |
| data_p = data - WIENER_HALFWIN; |
| for (i = -WIENER_HALFWIN; i < 0; ++i) { |
| memcpy(data_p + i * stride, data_p, |
| (width + 2 * WIENER_HALFWIN) * sizeof(uint16_t)); |
| } |
| for (i = height; i < height + WIENER_HALFWIN; ++i) { |
| memcpy(data_p + i * stride, data_p + (height - 1) * stride, |
| (width + 2 * WIENER_HALFWIN) * sizeof(uint16_t)); |
| } |
| } |
| |
| static void loop_copy_tile_highbd(uint16_t *data, int tile_idx, int subtile_idx, |
| int subtile_bits, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint16_t *dst, int dst_stride) { |
| const int tile_width = rst->tile_width; |
| const int tile_height = rst->tile_height; |
| int i; |
| int h_start, h_end, v_start, v_end; |
| av1_get_rest_tile_limits(tile_idx, subtile_idx, subtile_bits, rst->nhtiles, |
| rst->nvtiles, tile_width, tile_height, width, height, |
| 0, 0, &h_start, &h_end, &v_start, &v_end); |
| for (i = v_start; i < v_end; ++i) |
| memcpy(dst + i * dst_stride + h_start, data + i * stride + h_start, |
| (h_end - h_start) * sizeof(*dst)); |
| } |
| |
| static void loop_wiener_filter_tile_highbd(uint16_t *data, int tile_idx, |
| int width, int height, int stride, |
| RestorationInternal *rst, |
| int bit_depth, uint16_t *dst, |
| int dst_stride) { |
| const int tile_width = rst->tile_width; |
| const int tile_height = rst->tile_height; |
| int h_start, h_end, v_start, v_end; |
| int i, j; |
| |
| if (rst->rsi->restoration_type[tile_idx] == RESTORE_NONE) { |
| loop_copy_tile_highbd(data, tile_idx, 0, 0, width, height, stride, rst, dst, |
| dst_stride); |
| return; |
| } |
| av1_get_rest_tile_limits(tile_idx, 0, 0, rst->nhtiles, rst->nvtiles, |
| tile_width, tile_height, width, height, 0, 0, |
| &h_start, &h_end, &v_start, &v_end); |
| // Convolve the whole tile (done in blocks here to match the requirements |
| // of the vectorized convolve functions, but the result is equivalent) |
| for (i = v_start; i < v_end; i += MAX_SB_SIZE) |
| for (j = h_start; j < h_end; j += MAX_SB_SIZE) { |
| int w = AOMMIN(MAX_SB_SIZE, (h_end - j + 15) & ~15); |
| int h = AOMMIN(MAX_SB_SIZE, (v_end - i + 15) & ~15); |
| const uint16_t *data_p = data + i * stride + j; |
| uint16_t *dst_p = dst + i * dst_stride + j; |
| aom_highbd_convolve8_add_src( |
| CONVERT_TO_BYTEPTR(data_p), stride, CONVERT_TO_BYTEPTR(dst_p), |
| dst_stride, rst->rsi->wiener_info[tile_idx].hfilter, 16, |
| rst->rsi->wiener_info[tile_idx].vfilter, 16, w, h, bit_depth); |
| } |
| } |
| |
| static void loop_wiener_filter_highbd(uint8_t *data8, int width, int height, |
| int stride, RestorationInternal *rst, |
| int bit_depth, uint8_t *dst8, |
| int dst_stride) { |
| uint16_t *data = CONVERT_TO_SHORTPTR(data8); |
| uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); |
| int tile_idx; |
| extend_frame_highbd(data, width, height, stride); |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_wiener_filter_tile_highbd(data, tile_idx, width, height, stride, rst, |
| bit_depth, dst, dst_stride); |
| } |
| } |
| |
| static void apply_selfguided_restoration_highbd( |
| uint16_t *dat, int width, int height, int stride, int bit_depth, int eps, |
| int *xqd, uint16_t *dst, int dst_stride, int32_t *tmpbuf) { |
| int xq[2]; |
| int32_t *flt1 = tmpbuf; |
| int32_t *flt2 = flt1 + RESTORATION_TILEPELS_MAX; |
| int32_t *tmpbuf2 = flt2 + RESTORATION_TILEPELS_MAX; |
| int i, j; |
| assert(width * height <= RESTORATION_TILEPELS_MAX); |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| flt1[i * width + j] = dat[i * stride + j]; |
| flt2[i * width + j] = dat[i * stride + j]; |
| } |
| } |
| av1_selfguided_restoration(flt1, width, height, width, bit_depth, |
| sgr_params[eps].r1, sgr_params[eps].e1, tmpbuf2); |
| av1_selfguided_restoration(flt2, width, height, width, bit_depth, |
| sgr_params[eps].r2, sgr_params[eps].e2, tmpbuf2); |
| decode_xq(xqd, xq); |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| const int k = i * width + j; |
| const int l = i * stride + j; |
| const int m = i * dst_stride + j; |
| const int32_t u = ((int32_t)dat[l] << SGRPROJ_RST_BITS); |
| const int32_t f1 = (int32_t)flt1[k] - u; |
| const int32_t f2 = (int32_t)flt2[k] - u; |
| const int64_t v = xq[0] * f1 + xq[1] * f2 + (u << SGRPROJ_PRJ_BITS); |
| const int16_t w = |
| (int16_t)ROUND_POWER_OF_TWO(v, SGRPROJ_PRJ_BITS + SGRPROJ_RST_BITS); |
| dst[m] = (uint16_t)clip_pixel_highbd(w, bit_depth); |
| } |
| } |
| } |
| |
| static void loop_sgrproj_filter_tile_highbd(uint16_t *data, int tile_idx, |
| int width, int height, int stride, |
| RestorationInternal *rst, |
| int bit_depth, uint16_t *dst, |
| int dst_stride) { |
| const int tile_width = rst->tile_width; |
| const int tile_height = rst->tile_height; |
| int h_start, h_end, v_start, v_end; |
| uint16_t *data_p, *dst_p; |
| |
| if (rst->rsi->restoration_type[tile_idx] == RESTORE_NONE) { |
| loop_copy_tile_highbd(data, tile_idx, 0, 0, width, height, stride, rst, dst, |
| dst_stride); |
| return; |
| } |
| av1_get_rest_tile_limits(tile_idx, 0, 0, rst->nhtiles, rst->nvtiles, |
| tile_width, tile_height, width, height, 0, 0, |
| &h_start, &h_end, &v_start, &v_end); |
| data_p = data + h_start + v_start * stride; |
| dst_p = dst + h_start + v_start * dst_stride; |
| apply_selfguided_restoration_highbd( |
| data_p, h_end - h_start, v_end - v_start, stride, bit_depth, |
| rst->rsi->sgrproj_info[tile_idx].ep, rst->rsi->sgrproj_info[tile_idx].xqd, |
| dst_p, dst_stride, rst->tmpbuf); |
| } |
| |
| static void loop_sgrproj_filter_highbd(uint8_t *data8, int width, int height, |
| int stride, RestorationInternal *rst, |
| int bit_depth, uint8_t *dst8, |
| int dst_stride) { |
| int tile_idx; |
| uint16_t *data = CONVERT_TO_SHORTPTR(data8); |
| uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_sgrproj_filter_tile_highbd(data, tile_idx, width, height, stride, rst, |
| bit_depth, dst, dst_stride); |
| } |
| } |
| |
| void av1_domaintxfmrf_restoration_highbd(uint16_t *dgd, int width, int height, |
| int stride, int param, int bit_depth, |
| uint16_t *dst, int dst_stride, |
| int32_t *tmpbuf) { |
| int32_t *dat = tmpbuf; |
| uint8_t *diff_right = (uint8_t *)(tmpbuf + RESTORATION_TILEPELS_MAX); |
| uint8_t *diff_down = diff_right + RESTORATION_TILEPELS_MAX; |
| const int shift = (bit_depth - 8); |
| int i, j, t; |
| |
| for (i = 0; i < height; ++i) { |
| int cur_px = dgd[i * stride] >> shift; |
| for (j = 0; j < width - 1; ++j) { |
| const int next_px = dgd[i * stride + j + 1] >> shift; |
| diff_right[i * width + j] = abs(cur_px - next_px); |
| cur_px = next_px; |
| } |
| } |
| for (j = 0; j < width; ++j) { |
| int cur_px = dgd[j] >> shift; |
| for (i = 0; i < height - 1; ++i) { |
| const int next_px = dgd[(i + 1) * stride + j] >> shift; |
| diff_down[i * width + j] = abs(cur_px - next_px); |
| cur_px = next_px; |
| } |
| } |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| dat[i * width + j] = dgd[i * stride + j]; |
| } |
| } |
| for (t = 0; t < DOMAINTXFMRF_ITERS; ++t) { |
| apply_domaintxfmrf(t, param, diff_right, diff_down, width, height, dat, |
| width); |
| } |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| dst[i * dst_stride + j] = |
| clip_pixel_highbd(dat[i * width + j], bit_depth); |
| } |
| } |
| } |
| |
| static void loop_domaintxfmrf_filter_tile_highbd( |
| uint16_t *data, int tile_idx, int width, int height, int stride, |
| RestorationInternal *rst, int bit_depth, uint16_t *dst, int dst_stride) { |
| const int tile_width = rst->tile_width; |
| const int tile_height = rst->tile_height; |
| int h_start, h_end, v_start, v_end; |
| int32_t *tmpbuf = (int32_t *)rst->tmpbuf; |
| |
| if (rst->rsi->restoration_type[tile_idx] == RESTORE_NONE) { |
| loop_copy_tile_highbd(data, tile_idx, 0, 0, width, height, stride, rst, dst, |
| dst_stride); |
| return; |
| } |
| av1_get_rest_tile_limits(tile_idx, 0, 0, rst->nhtiles, rst->nvtiles, |
| tile_width, tile_height, width, height, 0, 0, |
| &h_start, &h_end, &v_start, &v_end); |
| av1_domaintxfmrf_restoration_highbd( |
| data + h_start + v_start * stride, h_end - h_start, v_end - v_start, |
| stride, rst->rsi->domaintxfmrf_info[tile_idx].sigma_r, bit_depth, |
| dst + h_start + v_start * dst_stride, dst_stride, tmpbuf); |
| } |
| |
| static void loop_domaintxfmrf_filter_highbd(uint8_t *data8, int width, |
| int height, int stride, |
| RestorationInternal *rst, |
| int bit_depth, uint8_t *dst8, |
| int dst_stride) { |
| int tile_idx; |
| uint16_t *data = CONVERT_TO_SHORTPTR(data8); |
| uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_domaintxfmrf_filter_tile_highbd(data, tile_idx, width, height, stride, |
| rst, bit_depth, dst, dst_stride); |
| } |
| } |
| |
| static void loop_switchable_filter_highbd(uint8_t *data8, int width, int height, |
| int stride, RestorationInternal *rst, |
| int bit_depth, uint8_t *dst8, |
| int dst_stride) { |
| uint16_t *data = CONVERT_TO_SHORTPTR(data8); |
| uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); |
| int tile_idx; |
| extend_frame_highbd(data, width, height, stride); |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| if (rst->rsi->restoration_type[tile_idx] == RESTORE_NONE) { |
| loop_copy_tile_highbd(data, tile_idx, 0, 0, width, height, stride, rst, |
| dst, dst_stride); |
| } else if (rst->rsi->restoration_type[tile_idx] == RESTORE_WIENER) { |
| loop_wiener_filter_tile_highbd(data, tile_idx, width, height, stride, rst, |
| bit_depth, dst, dst_stride); |
| } else if (rst->rsi->restoration_type[tile_idx] == RESTORE_SGRPROJ) { |
| loop_sgrproj_filter_tile_highbd(data, tile_idx, width, height, stride, |
| rst, bit_depth, dst, dst_stride); |
| } else if (rst->rsi->restoration_type[tile_idx] == RESTORE_DOMAINTXFMRF) { |
| loop_domaintxfmrf_filter_tile_highbd(data, tile_idx, width, height, |
| stride, rst, bit_depth, dst, |
| dst_stride); |
| } |
| } |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| static void loop_restoration_rows(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm, |
| int start_mi_row, int end_mi_row, |
| int components_pattern, RestorationInfo *rsi, |
| YV12_BUFFER_CONFIG *dst) { |
| const int ywidth = frame->y_crop_width; |
| const int ystride = frame->y_stride; |
| const int uvwidth = frame->uv_crop_width; |
| const int uvstride = frame->uv_stride; |
| const int ystart = start_mi_row << MI_SIZE_LOG2; |
| const int uvstart = ystart >> cm->subsampling_y; |
| int yend = end_mi_row << MI_SIZE_LOG2; |
| int uvend = yend >> cm->subsampling_y; |
| restore_func_type restore_funcs[RESTORE_TYPES] = { NULL, loop_wiener_filter, |
| loop_sgrproj_filter, |
| loop_domaintxfmrf_filter, |
| loop_switchable_filter }; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| restore_func_highbd_type restore_funcs_highbd[RESTORE_TYPES] = { |
| NULL, loop_wiener_filter_highbd, loop_sgrproj_filter_highbd, |
| loop_domaintxfmrf_filter_highbd, loop_switchable_filter_highbd |
| }; |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| restore_func_type restore_func; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| restore_func_highbd_type restore_func_highbd; |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| YV12_BUFFER_CONFIG dst_; |
| |
| yend = AOMMIN(yend, cm->height); |
| uvend = AOMMIN(uvend, cm->subsampling_y ? (cm->height + 1) >> 1 : cm->height); |
| |
| if (components_pattern == (1 << AOM_PLANE_Y)) { |
| // Only y |
| if (rsi[0].frame_restoration_type == RESTORE_NONE) { |
| if (dst) aom_yv12_copy_y(frame, dst); |
| return; |
| } |
| } else if (components_pattern == (1 << AOM_PLANE_U)) { |
| // Only U |
| if (rsi[1].frame_restoration_type == RESTORE_NONE) { |
| if (dst) aom_yv12_copy_u(frame, dst); |
| return; |
| } |
| } else if (components_pattern == (1 << AOM_PLANE_V)) { |
| // Only V |
| if (rsi[2].frame_restoration_type == RESTORE_NONE) { |
| if (dst) aom_yv12_copy_v(frame, dst); |
| return; |
| } |
| } else if (components_pattern == |
| ((1 << AOM_PLANE_Y) | (1 << AOM_PLANE_U) | (1 << AOM_PLANE_V))) { |
| // All components |
| if (rsi[0].frame_restoration_type == RESTORE_NONE && |
| rsi[1].frame_restoration_type == RESTORE_NONE && |
| rsi[2].frame_restoration_type == RESTORE_NONE) { |
| if (dst) aom_yv12_copy_frame(frame, dst); |
| return; |
| } |
| } |
| |
| if (!dst) { |
| dst = &dst_; |
| memset(dst, 0, sizeof(YV12_BUFFER_CONFIG)); |
| if (aom_realloc_frame_buffer( |
| dst, cm->width, cm->height, cm->subsampling_x, cm->subsampling_y, |
| #if CONFIG_AOM_HIGHBITDEPTH |
| cm->use_highbitdepth, |
| #endif |
| AOM_BORDER_IN_PIXELS, cm->byte_alignment, NULL, NULL, NULL) < 0) |
| aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR, |
| "Failed to allocate restoration dst buffer"); |
| } |
| |
| if ((components_pattern >> AOM_PLANE_Y) & 1) { |
| if (rsi[0].frame_restoration_type != RESTORE_NONE) { |
| cm->rst_internal.ntiles = av1_get_rest_ntiles( |
| cm->width, cm->height, &cm->rst_internal.tile_width, |
| &cm->rst_internal.tile_height, &cm->rst_internal.nhtiles, |
| &cm->rst_internal.nvtiles); |
| cm->rst_internal.rsi = &rsi[0]; |
| restore_func = |
| restore_funcs[cm->rst_internal.rsi->frame_restoration_type]; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| restore_func_highbd = |
| restore_funcs_highbd[cm->rst_internal.rsi->frame_restoration_type]; |
| if (cm->use_highbitdepth) |
| restore_func_highbd( |
| frame->y_buffer + ystart * ystride, ywidth, yend - ystart, ystride, |
| &cm->rst_internal, cm->bit_depth, |
| dst->y_buffer + ystart * dst->y_stride, dst->y_stride); |
| else |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| restore_func(frame->y_buffer + ystart * ystride, ywidth, yend - ystart, |
| ystride, &cm->rst_internal, |
| dst->y_buffer + ystart * dst->y_stride, dst->y_stride); |
| } else { |
| aom_yv12_copy_y(frame, dst); |
| } |
| } |
| |
| if ((components_pattern >> AOM_PLANE_U) & 1) { |
| if (rsi[AOM_PLANE_U].frame_restoration_type != RESTORE_NONE) { |
| cm->rst_internal.ntiles = av1_get_rest_ntiles( |
| ROUND_POWER_OF_TWO(cm->width, cm->subsampling_x), |
| ROUND_POWER_OF_TWO(cm->height, cm->subsampling_y), |
| &cm->rst_internal.tile_width, &cm->rst_internal.tile_height, |
| &cm->rst_internal.nhtiles, &cm->rst_internal.nvtiles); |
| cm->rst_internal.rsi = &rsi[AOM_PLANE_U]; |
| restore_func = |
| restore_funcs[cm->rst_internal.rsi->frame_restoration_type]; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| restore_func_highbd = |
| restore_funcs_highbd[cm->rst_internal.rsi->frame_restoration_type]; |
| if (cm->use_highbitdepth) |
| restore_func_highbd( |
| frame->u_buffer + uvstart * uvstride, uvwidth, uvend - uvstart, |
| uvstride, &cm->rst_internal, cm->bit_depth, |
| dst->u_buffer + uvstart * dst->uv_stride, dst->uv_stride); |
| else |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| restore_func(frame->u_buffer + uvstart * uvstride, uvwidth, |
| uvend - uvstart, uvstride, &cm->rst_internal, |
| dst->u_buffer + uvstart * dst->uv_stride, dst->uv_stride); |
| } else { |
| aom_yv12_copy_u(frame, dst); |
| } |
| } |
| |
| if ((components_pattern >> AOM_PLANE_V) & 1) { |
| if (rsi[AOM_PLANE_V].frame_restoration_type != RESTORE_NONE) { |
| cm->rst_internal.ntiles = av1_get_rest_ntiles( |
| ROUND_POWER_OF_TWO(cm->width, cm->subsampling_x), |
| ROUND_POWER_OF_TWO(cm->height, cm->subsampling_y), |
| &cm->rst_internal.tile_width, &cm->rst_internal.tile_height, |
| &cm->rst_internal.nhtiles, &cm->rst_internal.nvtiles); |
| cm->rst_internal.rsi = &rsi[AOM_PLANE_V]; |
| restore_func = |
| restore_funcs[cm->rst_internal.rsi->frame_restoration_type]; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| restore_func_highbd = |
| restore_funcs_highbd[cm->rst_internal.rsi->frame_restoration_type]; |
| if (cm->use_highbitdepth) |
| restore_func_highbd( |
| frame->v_buffer + uvstart * uvstride, uvwidth, uvend - uvstart, |
| uvstride, &cm->rst_internal, cm->bit_depth, |
| dst->v_buffer + uvstart * dst->uv_stride, dst->uv_stride); |
| else |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| restore_func(frame->v_buffer + uvstart * uvstride, uvwidth, |
| uvend - uvstart, uvstride, &cm->rst_internal, |
| dst->v_buffer + uvstart * dst->uv_stride, dst->uv_stride); |
| } else { |
| aom_yv12_copy_v(frame, dst); |
| } |
| } |
| |
| if (dst == &dst_) { |
| if ((components_pattern >> AOM_PLANE_Y) & 1) aom_yv12_copy_y(dst, frame); |
| if ((components_pattern >> AOM_PLANE_U) & 1) aom_yv12_copy_u(dst, frame); |
| if ((components_pattern >> AOM_PLANE_V) & 1) aom_yv12_copy_v(dst, frame); |
| aom_free_frame_buffer(dst); |
| } |
| } |
| |
| void av1_loop_restoration_frame(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm, |
| RestorationInfo *rsi, int components_pattern, |
| int partial_frame, YV12_BUFFER_CONFIG *dst) { |
| int start_mi_row, end_mi_row, mi_rows_to_filter; |
| start_mi_row = 0; |
| mi_rows_to_filter = cm->mi_rows; |
| if (partial_frame && cm->mi_rows > 8) { |
| start_mi_row = cm->mi_rows >> 1; |
| start_mi_row &= 0xfffffff8; |
| mi_rows_to_filter = AOMMAX(cm->mi_rows / 8, 8); |
| } |
| end_mi_row = start_mi_row + mi_rows_to_filter; |
| loop_restoration_init(&cm->rst_internal, cm->frame_type == KEY_FRAME); |
| loop_restoration_rows(frame, cm, start_mi_row, end_mi_row, components_pattern, |
| rsi, dst); |
| } |
