| /* |
| * 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 "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" |
| |
| #define BILATERAL_PARAM_PRECISION 16 |
| #define BILATERAL_AMP_RANGE 256 |
| #define BILATERAL_AMP_RANGE_SYM (2 * BILATERAL_AMP_RANGE + 1) |
| |
| static uint8_t bilateral_filter_coeffs_r_kf[BILATERAL_LEVELS_KF] |
| [BILATERAL_AMP_RANGE_SYM]; |
| static uint8_t bilateral_filter_coeffs_r[BILATERAL_LEVELS] |
| [BILATERAL_AMP_RANGE_SYM]; |
| static uint8_t bilateral_filter_coeffs_s_kf[BILATERAL_LEVELS_KF] |
| [RESTORATION_WIN][RESTORATION_WIN]; |
| static uint8_t bilateral_filter_coeffs_s[BILATERAL_LEVELS][RESTORATION_WIN] |
| [RESTORATION_WIN]; |
| |
| typedef struct bilateral_params { |
| int sigma_x; // spatial variance x |
| int sigma_y; // spatial variance y |
| int sigma_r; // range variance |
| } BilateralParamsType; |
| |
| static BilateralParamsType bilateral_level_to_params_arr[BILATERAL_LEVELS] = { |
| // Values are rounded to 1/16 th precision |
| { 8, 9, 30 }, { 9, 8, 30 }, { 9, 11, 32 }, { 11, 9, 32 }, |
| { 14, 14, 36 }, { 18, 18, 36 }, { 24, 24, 40 }, { 32, 32, 40 }, |
| }; |
| |
| static BilateralParamsType |
| bilateral_level_to_params_arr_kf[BILATERAL_LEVELS_KF] = { |
| // Values are rounded to 1/16 th precision |
| { 8, 8, 30 }, { 9, 9, 32 }, { 10, 10, 32 }, { 12, 12, 32 }, |
| { 14, 14, 32 }, { 18, 18, 36 }, { 24, 24, 40 }, { 30, 30, 44 }, |
| { 36, 36, 48 }, { 42, 42, 48 }, { 48, 48, 48 }, { 48, 48, 56 }, |
| { 56, 56, 48 }, { 56, 56, 56 }, { 56, 56, 64 }, { 64, 64, 48 }, |
| }; |
| |
| const sgr_params_type sgr_params[SGRPROJ_PARAMS] = { |
| // r1, eps1, r2, eps2 |
| { 2, 27, 1, 11 }, { 2, 31, 1, 12 }, { 2, 37, 1, 12 }, { 2, 44, 1, 12 }, |
| { 2, 49, 1, 13 }, { 2, 54, 1, 14 }, { 2, 60, 1, 15 }, { 2, 68, 1, 15 }, |
| }; |
| |
| typedef void (*restore_func_type)(uint8_t *data8, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *tmpdata8, int tmpstride); |
| #if CONFIG_AOM_HIGHBITDEPTH |
| typedef void (*restore_func_highbd_type)(uint8_t *data8, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *tmpdata8, int tmpstride, |
| int bit_depth); |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| static INLINE BilateralParamsType av1_bilateral_level_to_params(int index, |
| int kf) { |
| return kf ? bilateral_level_to_params_arr_kf[index] |
| : bilateral_level_to_params_arr[index]; |
| } |
| |
| void av1_loop_restoration_precal() { |
| int i; |
| for (i = 0; i < BILATERAL_LEVELS_KF; i++) { |
| const BilateralParamsType param = av1_bilateral_level_to_params(i, 1); |
| const int sigma_x = param.sigma_x; |
| const int sigma_y = param.sigma_y; |
| const int sigma_r = param.sigma_r; |
| const double sigma_r_d = (double)sigma_r / BILATERAL_PARAM_PRECISION; |
| const double sigma_x_d = (double)sigma_x / BILATERAL_PARAM_PRECISION; |
| const double sigma_y_d = (double)sigma_y / BILATERAL_PARAM_PRECISION; |
| |
| uint8_t *fr = bilateral_filter_coeffs_r_kf[i] + BILATERAL_AMP_RANGE; |
| int j, x, y; |
| for (j = 0; j <= BILATERAL_AMP_RANGE; j++) { |
| fr[j] = (uint8_t)(0.5 + |
| RESTORATION_FILT_STEP * |
| exp(-(j * j) / (2 * sigma_r_d * sigma_r_d))); |
| fr[-j] = fr[j]; |
| } |
| for (y = -RESTORATION_HALFWIN; y <= RESTORATION_HALFWIN; y++) { |
| for (x = -RESTORATION_HALFWIN; x <= RESTORATION_HALFWIN; x++) { |
| bilateral_filter_coeffs_s_kf[i][y + RESTORATION_HALFWIN] |
| [x + RESTORATION_HALFWIN] = (uint8_t)( |
| 0.5 + |
| RESTORATION_FILT_STEP * |
| exp(-(x * x) / (2 * sigma_x_d * |
| sigma_x_d) - |
| (y * y) / (2 * sigma_y_d * |
| sigma_y_d))); |
| } |
| } |
| } |
| for (i = 0; i < BILATERAL_LEVELS; i++) { |
| const BilateralParamsType param = av1_bilateral_level_to_params(i, 0); |
| const int sigma_x = param.sigma_x; |
| const int sigma_y = param.sigma_y; |
| const int sigma_r = param.sigma_r; |
| const double sigma_r_d = (double)sigma_r / BILATERAL_PARAM_PRECISION; |
| const double sigma_x_d = (double)sigma_x / BILATERAL_PARAM_PRECISION; |
| const double sigma_y_d = (double)sigma_y / BILATERAL_PARAM_PRECISION; |
| |
| uint8_t *fr = bilateral_filter_coeffs_r[i] + BILATERAL_AMP_RANGE; |
| int j, x, y; |
| for (j = 0; j <= BILATERAL_AMP_RANGE; j++) { |
| fr[j] = (uint8_t)(0.5 + |
| RESTORATION_FILT_STEP * |
| exp(-(j * j) / (2 * sigma_r_d * sigma_r_d))); |
| fr[-j] = fr[j]; |
| } |
| for (y = -RESTORATION_HALFWIN; y <= RESTORATION_HALFWIN; y++) { |
| for (x = -RESTORATION_HALFWIN; x <= RESTORATION_HALFWIN; x++) { |
| bilateral_filter_coeffs_s[i][y + RESTORATION_HALFWIN] |
| [x + RESTORATION_HALFWIN] = (uint8_t)( |
| 0.5 + |
| RESTORATION_FILT_STEP * |
| exp(-(x * x) / |
| (2 * sigma_x_d * sigma_x_d) - |
| (y * y) / |
| (2 * sigma_y_d * sigma_y_d))); |
| } |
| } |
| } |
| } |
| |
| int av1_bilateral_level_bits(const AV1_COMMON *const cm) { |
| return cm->frame_type == KEY_FRAME ? BILATERAL_LEVEL_BITS_KF |
| : BILATERAL_LEVEL_BITS; |
| } |
| |
| void av1_loop_restoration_init(RestorationInternal *rst, RestorationInfo *rsi, |
| int kf, int width, int height) { |
| int i, tile_idx; |
| rst->rsi = rsi; |
| rst->keyframe = kf; |
| rst->subsampling_x = 0; |
| rst->subsampling_y = 0; |
| rst->ntiles = |
| av1_get_rest_ntiles(width, height, &rst->tile_width, &rst->tile_height, |
| &rst->nhtiles, &rst->nvtiles); |
| if (rsi->frame_restoration_type == RESTORE_WIENER) { |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| rsi->wiener_info[tile_idx].vfilter[RESTORATION_HALFWIN] = |
| rsi->wiener_info[tile_idx].hfilter[RESTORATION_HALFWIN] = |
| RESTORATION_FILT_STEP; |
| for (i = 0; i < RESTORATION_HALFWIN; ++i) { |
| rsi->wiener_info[tile_idx].vfilter[RESTORATION_WIN - 1 - i] = |
| rsi->wiener_info[tile_idx].vfilter[i]; |
| rsi->wiener_info[tile_idx].hfilter[RESTORATION_WIN - 1 - i] = |
| rsi->wiener_info[tile_idx].hfilter[i]; |
| rsi->wiener_info[tile_idx].vfilter[RESTORATION_HALFWIN] -= |
| 2 * rsi->wiener_info[tile_idx].vfilter[i]; |
| rsi->wiener_info[tile_idx].hfilter[RESTORATION_HALFWIN] -= |
| 2 * rsi->wiener_info[tile_idx].hfilter[i]; |
| } |
| } |
| } else if (rsi->frame_restoration_type == RESTORE_SWITCHABLE) { |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| if (rsi->restoration_type[tile_idx] == RESTORE_WIENER) { |
| rsi->wiener_info[tile_idx].vfilter[RESTORATION_HALFWIN] = |
| rsi->wiener_info[tile_idx].hfilter[RESTORATION_HALFWIN] = |
| RESTORATION_FILT_STEP; |
| for (i = 0; i < RESTORATION_HALFWIN; ++i) { |
| rsi->wiener_info[tile_idx].vfilter[RESTORATION_WIN - 1 - i] = |
| rsi->wiener_info[tile_idx].vfilter[i]; |
| rsi->wiener_info[tile_idx].hfilter[RESTORATION_WIN - 1 - i] = |
| rsi->wiener_info[tile_idx].hfilter[i]; |
| rsi->wiener_info[tile_idx].vfilter[RESTORATION_HALFWIN] -= |
| 2 * rsi->wiener_info[tile_idx].vfilter[i]; |
| rsi->wiener_info[tile_idx].hfilter[RESTORATION_HALFWIN] -= |
| 2 * rsi->wiener_info[tile_idx].hfilter[i]; |
| } |
| } |
| } |
| } |
| } |
| |
| static void loop_bilateral_filter_tile(uint8_t *data, int tile_idx, int width, |
| int height, int stride, |
| RestorationInternal *rst, |
| uint8_t *tmpdata, int tmpstride) { |
| int i, j, subtile_idx; |
| int h_start, h_end, v_start, v_end; |
| const int tile_width = rst->tile_width >> rst->subsampling_x; |
| const int tile_height = rst->tile_height >> rst->subsampling_y; |
| |
| for (subtile_idx = 0; subtile_idx < BILATERAL_SUBTILES; ++subtile_idx) { |
| uint8_t *data_p, *tmpdata_p; |
| const int level = rst->rsi->bilateral_info[tile_idx].level[subtile_idx]; |
| uint8_t(*wx_lut)[RESTORATION_WIN]; |
| uint8_t *wr_lut_; |
| |
| if (level < 0) continue; |
| wr_lut_ = (rst->keyframe ? bilateral_filter_coeffs_r_kf[level] |
| : bilateral_filter_coeffs_r[level]) + |
| BILATERAL_AMP_RANGE; |
| wx_lut = rst->keyframe ? bilateral_filter_coeffs_s_kf[level] |
| : bilateral_filter_coeffs_s[level]; |
| |
| av1_get_rest_tile_limits(tile_idx, subtile_idx, BILATERAL_SUBTILE_BITS, |
| rst->nhtiles, rst->nvtiles, tile_width, |
| tile_height, width, height, 1, 1, &h_start, &h_end, |
| &v_start, &v_end); |
| |
| data_p = data + h_start + v_start * stride; |
| tmpdata_p = tmpdata + h_start + v_start * tmpstride; |
| |
| for (i = 0; i < (v_end - v_start); ++i) { |
| for (j = 0; j < (h_end - h_start); ++j) { |
| int x, y, wt; |
| int64_t flsum = 0, wtsum = 0; |
| uint8_t *data_p2 = data_p + j - RESTORATION_HALFWIN * stride; |
| for (y = -RESTORATION_HALFWIN; y <= RESTORATION_HALFWIN; ++y) { |
| for (x = -RESTORATION_HALFWIN; x <= RESTORATION_HALFWIN; ++x) { |
| wt = (int)wx_lut[y + RESTORATION_HALFWIN][x + RESTORATION_HALFWIN] * |
| (int)wr_lut_[data_p2[x] - data_p[j]]; |
| wtsum += (int64_t)wt; |
| flsum += (int64_t)wt * data_p2[x]; |
| } |
| data_p2 += stride; |
| } |
| if (wtsum > 0) |
| tmpdata_p[j] = clip_pixel((int)((flsum + wtsum / 2) / wtsum)); |
| else |
| tmpdata_p[j] = data_p[j]; |
| } |
| tmpdata_p += tmpstride; |
| data_p += stride; |
| } |
| for (i = v_start; i < v_end; ++i) { |
| memcpy(data + i * stride + h_start, tmpdata + i * tmpstride + h_start, |
| (h_end - h_start) * sizeof(*data)); |
| } |
| } |
| } |
| |
| static void loop_bilateral_filter(uint8_t *data, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *tmpdata, int tmpstride) { |
| int tile_idx; |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_bilateral_filter_tile(data, tile_idx, width, height, stride, rst, |
| tmpdata, tmpstride); |
| } |
| } |
| |
| uint8_t hor_sym_filter(uint8_t *d, int *hfilter) { |
| int32_t s = |
| (1 << (RESTORATION_FILT_BITS - 1)) + d[0] * hfilter[RESTORATION_HALFWIN]; |
| int i; |
| for (i = 1; i <= RESTORATION_HALFWIN; ++i) |
| s += (d[i] + d[-i]) * hfilter[RESTORATION_HALFWIN + i]; |
| return clip_pixel(s >> RESTORATION_FILT_BITS); |
| } |
| |
| uint8_t ver_sym_filter(uint8_t *d, int stride, int *vfilter) { |
| int32_t s = |
| (1 << (RESTORATION_FILT_BITS - 1)) + d[0] * vfilter[RESTORATION_HALFWIN]; |
| int i; |
| for (i = 1; i <= RESTORATION_HALFWIN; ++i) |
| s += (d[i * stride] + d[-i * stride]) * vfilter[RESTORATION_HALFWIN + i]; |
| return clip_pixel(s >> RESTORATION_FILT_BITS); |
| } |
| |
| static void loop_wiener_filter_tile(uint8_t *data, int tile_idx, int width, |
| int height, int stride, |
| RestorationInternal *rst, uint8_t *tmpdata, |
| int tmpstride) { |
| const int tile_width = rst->tile_width >> rst->subsampling_x; |
| const int tile_height = rst->tile_height >> rst->subsampling_y; |
| int i, j; |
| int h_start, h_end, v_start, v_end; |
| uint8_t *data_p, *tmpdata_p; |
| |
| if (rst->rsi->wiener_info[tile_idx].level == 0) return; |
| // Filter row-wise |
| av1_get_rest_tile_limits(tile_idx, 0, 0, rst->nhtiles, rst->nvtiles, |
| tile_width, tile_height, width, height, 1, 0, |
| &h_start, &h_end, &v_start, &v_end); |
| data_p = data + h_start + v_start * stride; |
| tmpdata_p = tmpdata + h_start + v_start * tmpstride; |
| for (i = 0; i < (v_end - v_start); ++i) { |
| for (j = 0; j < (h_end - h_start); ++j) { |
| *tmpdata_p++ = |
| hor_sym_filter(data_p++, rst->rsi->wiener_info[tile_idx].hfilter); |
| } |
| data_p += stride - (h_end - h_start); |
| tmpdata_p += tmpstride - (h_end - h_start); |
| } |
| // Filter col-wise |
| av1_get_rest_tile_limits(tile_idx, 0, 0, rst->nhtiles, rst->nvtiles, |
| tile_width, tile_height, width, height, 0, 1, |
| &h_start, &h_end, &v_start, &v_end); |
| data_p = data + h_start + v_start * stride; |
| tmpdata_p = tmpdata + h_start + v_start * tmpstride; |
| for (i = 0; i < (v_end - v_start); ++i) { |
| for (j = 0; j < (h_end - h_start); ++j) { |
| *data_p++ = ver_sym_filter(tmpdata_p++, tmpstride, |
| rst->rsi->wiener_info[tile_idx].vfilter); |
| } |
| data_p += stride - (h_end - h_start); |
| tmpdata_p += tmpstride - (h_end - h_start); |
| } |
| } |
| |
| static void loop_wiener_filter(uint8_t *data, int width, int height, int stride, |
| RestorationInternal *rst, uint8_t *tmpdata, |
| int tmpstride) { |
| int tile_idx; |
| int i; |
| uint8_t *data_p, *tmpdata_p; |
| // Initialize tmp buffer |
| data_p = data; |
| tmpdata_p = tmpdata; |
| for (i = 0; i < height; ++i) { |
| memcpy(tmpdata_p, data_p, sizeof(*data_p) * width); |
| data_p += stride; |
| tmpdata_p += tmpstride; |
| } |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_wiener_filter_tile(data, tile_idx, width, height, stride, rst, tmpdata, |
| tmpstride); |
| } |
| } |
| |
| static void boxsum(int64_t *src, int width, int height, int src_stride, int r, |
| int sqr, int64_t *dst, int dst_stride, int64_t *tmp, |
| int tmp_stride) { |
| 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]; |
| } |
| |
| 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(int64_t *dgd, int width, int height, int stride, |
| int bit_depth, int r, int eps, void *tmpbuf) { |
| int64_t *A = (int64_t *)tmpbuf; |
| int64_t *B = A + RESTORATION_TILEPELS_MAX; |
| int64_t *T = B + RESTORATION_TILEPELS_MAX; |
| int8_t num[RESTORATION_TILEPELS_MAX]; |
| int i, j; |
| eps <<= 2 * (bit_depth - 8); |
| |
| boxsum(dgd, width, height, stride, r, 0, B, width, T, width); |
| boxsum(dgd, width, height, stride, r, 1, A, width, T, width); |
| boxnum(width, height, r, num, width); |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| const int k = i * width + j; |
| const int n = num[k]; |
| int64_t den; |
| A[k] = A[k] * n - B[k] * B[k]; |
| den = A[k] + n * n * eps; |
| A[k] = ((A[k] << SGRPROJ_SGR_BITS) + (den >> 1)) / den; |
| 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 int64_t a = |
| 3 * A[k] + 2 * A[k + 1] + 2 * A[k + width] + A[k + width + 1]; |
| const int64_t b = |
| 3 * B[k] + 2 * B[k + 1] + 2 * B[k + width] + B[k + width + 1]; |
| const int64_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 int64_t a = |
| 3 * A[k] + 2 * A[k - 1] + 2 * A[k + width] + A[k + width - 1]; |
| const int64_t b = |
| 3 * B[k] + 2 * B[k - 1] + 2 * B[k + width] + B[k + width - 1]; |
| const int64_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 int64_t a = |
| 3 * A[k] + 2 * A[k + 1] + 2 * A[k - width] + A[k - width + 1]; |
| const int64_t b = |
| 3 * B[k] + 2 * B[k + 1] + 2 * B[k - width] + B[k - width + 1]; |
| const int64_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 int64_t a = |
| 3 * A[k] + 2 * A[k - 1] + 2 * A[k - width] + A[k - width - 1]; |
| const int64_t b = |
| 3 * B[k] + 2 * B[k - 1] + 2 * B[k - width] + B[k - width - 1]; |
| const int64_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 int64_t a = A[k] + 2 * (A[k - 1] + A[k + 1]) + A[k + width] + |
| A[k + width - 1] + A[k + width + 1]; |
| const int64_t b = B[k] + 2 * (B[k - 1] + B[k + 1]) + B[k + width] + |
| B[k + width - 1] + B[k + width + 1]; |
| const int64_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 int64_t a = A[k] + 2 * (A[k - 1] + A[k + 1]) + A[k - width] + |
| A[k - width - 1] + A[k - width + 1]; |
| const int64_t b = B[k] + 2 * (B[k - 1] + B[k + 1]) + B[k - width] + |
| B[k - width - 1] + B[k - width + 1]; |
| const int64_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 int64_t a = A[k] + 2 * (A[k - width] + A[k + width]) + A[k + 1] + |
| A[k - width + 1] + A[k + width + 1]; |
| const int64_t b = B[k] + 2 * (B[k - width] + B[k + width]) + B[k + 1] + |
| B[k - width + 1] + B[k + width + 1]; |
| const int64_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 int64_t a = A[k] + 2 * (A[k - width] + A[k + width]) + A[k - 1] + |
| A[k - width - 1] + A[k + width - 1]; |
| const int64_t b = B[k] + 2 * (B[k - width] + B[k + width]) + B[k - 1] + |
| B[k - width - 1] + B[k + width - 1]; |
| const int64_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 int64_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 int64_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 int64_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, T, width); |
| boxsum(B, width, height, width, r, 0, B, width, T, 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 int64_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(int64_t *dat, int width, int height, |
| int stride, int bit_depth, int eps, |
| int *xqd, void *tmpbuf) { |
| int xq[2]; |
| int64_t *flt1 = (int64_t *)tmpbuf; |
| int64_t *flt2 = flt1 + RESTORATION_TILEPELS_MAX; |
| uint8_t *tmpbuf2 = (uint8_t *)(flt2 + RESTORATION_TILEPELS_MAX); |
| int i, j; |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; ++j) { |
| assert(i * width + j < RESTORATION_TILEPELS_MAX); |
| 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 int64_t u = ((int64_t)dat[l] << SGRPROJ_RST_BITS); |
| const int64_t f1 = (int64_t)flt1[k] - u; |
| const int64_t f2 = (int64_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); |
| dat[l] = w; |
| } |
| } |
| } |
| |
| static void loop_sgrproj_filter_tile(uint8_t *data, int tile_idx, int width, |
| int height, int stride, |
| RestorationInternal *rst, void *tmpbuf) { |
| const int tile_width = rst->tile_width >> rst->subsampling_x; |
| const int tile_height = rst->tile_height >> rst->subsampling_y; |
| int i, j; |
| int h_start, h_end, v_start, v_end; |
| uint8_t *data_p; |
| int64_t dat[RESTORATION_TILEPELS_MAX]; |
| |
| if (rst->rsi->sgrproj_info[tile_idx].level == 0) 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; |
| for (i = 0; i < (v_end - v_start); ++i) { |
| for (j = 0; j < (h_end - h_start); ++j) { |
| dat[i * (h_end - h_start) + j] = data_p[i * stride + j]; |
| } |
| } |
| apply_selfguided_restoration(dat, h_end - h_start, v_end - v_start, |
| h_end - h_start, 8, |
| rst->rsi->sgrproj_info[tile_idx].ep, |
| rst->rsi->sgrproj_info[tile_idx].xqd, tmpbuf); |
| for (i = 0; i < (v_end - v_start); ++i) { |
| for (j = 0; j < (h_end - h_start); ++j) { |
| data_p[i * stride + j] = clip_pixel(dat[i * (h_end - h_start) + j]); |
| } |
| } |
| } |
| |
| static void loop_sgrproj_filter(uint8_t *data, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *tmpdata, int tmpstride) { |
| int tile_idx; |
| uint8_t *tmpbuf = aom_malloc(SGRPROJ_TMPBUF_SIZE); |
| (void)tmpdata; |
| (void)tmpstride; |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_sgrproj_filter_tile(data, tile_idx, width, height, stride, rst, |
| tmpbuf); |
| } |
| aom_free(tmpbuf); |
| } |
| |
| static void loop_switchable_filter(uint8_t *data, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *tmpdata, int tmpstride) { |
| int i, tile_idx; |
| uint8_t *data_p, *tmpdata_p; |
| uint8_t *tmpbuf = aom_malloc(SGRPROJ_TMPBUF_SIZE); |
| |
| // Initialize tmp buffer |
| data_p = data; |
| tmpdata_p = tmpdata; |
| for (i = 0; i < height; ++i) { |
| memcpy(tmpdata_p, data_p, sizeof(*data_p) * width); |
| data_p += stride; |
| tmpdata_p += tmpstride; |
| } |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| if (rst->rsi->restoration_type[tile_idx] == RESTORE_BILATERAL) { |
| loop_bilateral_filter_tile(data, tile_idx, width, height, stride, rst, |
| tmpdata, tmpstride); |
| } else if (rst->rsi->restoration_type[tile_idx] == RESTORE_WIENER) { |
| loop_wiener_filter_tile(data, tile_idx, width, height, stride, rst, |
| tmpdata, tmpstride); |
| } else if (rst->rsi->restoration_type[tile_idx] == RESTORE_SGRPROJ) { |
| loop_sgrproj_filter_tile(data, tile_idx, width, height, stride, rst, |
| tmpbuf); |
| } |
| } |
| aom_free(tmpbuf); |
| } |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| static void loop_bilateral_filter_tile_highbd(uint16_t *data, int tile_idx, |
| int width, int height, int stride, |
| RestorationInternal *rst, |
| uint16_t *tmpdata, int tmpstride, |
| int bit_depth) { |
| const int tile_width = rst->tile_width >> rst->subsampling_x; |
| const int tile_height = rst->tile_height >> rst->subsampling_y; |
| int i, j, subtile_idx; |
| int h_start, h_end, v_start, v_end; |
| const int shift = bit_depth - 8; |
| |
| for (subtile_idx = 0; subtile_idx < BILATERAL_SUBTILES; ++subtile_idx) { |
| uint16_t *data_p, *tmpdata_p; |
| const int level = rst->rsi->bilateral_info[tile_idx].level[subtile_idx]; |
| uint8_t(*wx_lut)[RESTORATION_WIN]; |
| uint8_t *wr_lut_; |
| |
| if (level < 0) continue; |
| wr_lut_ = (rst->keyframe ? bilateral_filter_coeffs_r_kf[level] |
| : bilateral_filter_coeffs_r[level]) + |
| BILATERAL_AMP_RANGE; |
| wx_lut = rst->keyframe ? bilateral_filter_coeffs_s_kf[level] |
| : bilateral_filter_coeffs_s[level]; |
| av1_get_rest_tile_limits(tile_idx, subtile_idx, BILATERAL_SUBTILE_BITS, |
| rst->nhtiles, rst->nvtiles, tile_width, |
| tile_height, width, height, 1, 1, &h_start, &h_end, |
| &v_start, &v_end); |
| |
| data_p = data + h_start + v_start * stride; |
| tmpdata_p = tmpdata + h_start + v_start * tmpstride; |
| |
| for (i = 0; i < (v_end - v_start); ++i) { |
| for (j = 0; j < (h_end - h_start); ++j) { |
| int x, y, wt; |
| int64_t flsum = 0, wtsum = 0; |
| uint16_t *data_p2 = data_p + j - RESTORATION_HALFWIN * stride; |
| for (y = -RESTORATION_HALFWIN; y <= RESTORATION_HALFWIN; ++y) { |
| for (x = -RESTORATION_HALFWIN; x <= RESTORATION_HALFWIN; ++x) { |
| wt = (int)wx_lut[y + RESTORATION_HALFWIN][x + RESTORATION_HALFWIN] * |
| (int)wr_lut_[(data_p2[x] >> shift) - (data_p[j] >> shift)]; |
| wtsum += (int64_t)wt; |
| flsum += (int64_t)wt * data_p2[x]; |
| } |
| data_p2 += stride; |
| } |
| if (wtsum > 0) |
| tmpdata_p[j] = |
| clip_pixel_highbd((int)((flsum + wtsum / 2) / wtsum), bit_depth); |
| else |
| tmpdata_p[j] = data_p[j]; |
| } |
| tmpdata_p += tmpstride; |
| data_p += stride; |
| } |
| for (i = v_start; i < v_end; ++i) { |
| memcpy(data + i * stride + h_start, tmpdata + i * tmpstride + h_start, |
| (h_end - h_start) * sizeof(*data)); |
| } |
| } |
| } |
| |
| static void loop_bilateral_filter_highbd(uint8_t *data8, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *tmpdata8, int tmpstride, |
| int bit_depth) { |
| int tile_idx; |
| uint16_t *data = CONVERT_TO_SHORTPTR(data8); |
| uint16_t *tmpdata = CONVERT_TO_SHORTPTR(tmpdata8); |
| |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_bilateral_filter_tile_highbd(data, tile_idx, width, height, stride, |
| rst, tmpdata, tmpstride, bit_depth); |
| } |
| } |
| |
| uint16_t hor_sym_filter_highbd(uint16_t *d, int *hfilter, int bd) { |
| int32_t s = |
| (1 << (RESTORATION_FILT_BITS - 1)) + d[0] * hfilter[RESTORATION_HALFWIN]; |
| int i; |
| for (i = 1; i <= RESTORATION_HALFWIN; ++i) |
| s += (d[i] + d[-i]) * hfilter[RESTORATION_HALFWIN + i]; |
| return clip_pixel_highbd(s >> RESTORATION_FILT_BITS, bd); |
| } |
| |
| uint16_t ver_sym_filter_highbd(uint16_t *d, int stride, int *vfilter, int bd) { |
| int32_t s = |
| (1 << (RESTORATION_FILT_BITS - 1)) + d[0] * vfilter[RESTORATION_HALFWIN]; |
| int i; |
| for (i = 1; i <= RESTORATION_HALFWIN; ++i) |
| s += (d[i * stride] + d[-i * stride]) * vfilter[RESTORATION_HALFWIN + i]; |
| return clip_pixel_highbd(s >> RESTORATION_FILT_BITS, bd); |
| } |
| |
| static void loop_wiener_filter_tile_highbd(uint16_t *data, int tile_idx, |
| int width, int height, int stride, |
| RestorationInternal *rst, |
| uint16_t *tmpdata, int tmpstride, |
| int bit_depth) { |
| const int tile_width = rst->tile_width >> rst->subsampling_x; |
| const int tile_height = rst->tile_height >> rst->subsampling_y; |
| int h_start, h_end, v_start, v_end; |
| int i, j; |
| uint16_t *data_p, *tmpdata_p; |
| |
| if (rst->rsi->wiener_info[tile_idx].level == 0) return; |
| // Filter row-wise |
| av1_get_rest_tile_limits(tile_idx, 0, 0, rst->nhtiles, rst->nvtiles, |
| tile_width, tile_height, width, height, 1, 0, |
| &h_start, &h_end, &v_start, &v_end); |
| data_p = data + h_start + v_start * stride; |
| tmpdata_p = tmpdata + h_start + v_start * tmpstride; |
| for (i = 0; i < (v_end - v_start); ++i) { |
| for (j = 0; j < (h_end - h_start); ++j) { |
| *tmpdata_p++ = hor_sym_filter_highbd( |
| data_p++, rst->rsi->wiener_info[tile_idx].hfilter, bit_depth); |
| } |
| data_p += stride - (h_end - h_start); |
| tmpdata_p += tmpstride - (h_end - h_start); |
| } |
| // Filter col-wise |
| av1_get_rest_tile_limits(tile_idx, 0, 0, rst->nhtiles, rst->nvtiles, |
| tile_width, tile_height, width, height, 0, 1, |
| &h_start, &h_end, &v_start, &v_end); |
| data_p = data + h_start + v_start * stride; |
| tmpdata_p = tmpdata + h_start + v_start * tmpstride; |
| for (i = 0; i < (v_end - v_start); ++i) { |
| for (j = 0; j < (h_end - h_start); ++j) { |
| *data_p++ = ver_sym_filter_highbd(tmpdata_p++, tmpstride, |
| rst->rsi->wiener_info[tile_idx].vfilter, |
| bit_depth); |
| } |
| data_p += stride - (h_end - h_start); |
| tmpdata_p += tmpstride - (h_end - h_start); |
| } |
| } |
| |
| static void loop_wiener_filter_highbd(uint8_t *data8, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *tmpdata8, int tmpstride, |
| int bit_depth) { |
| uint16_t *data = CONVERT_TO_SHORTPTR(data8); |
| uint16_t *tmpdata = CONVERT_TO_SHORTPTR(tmpdata8); |
| int tile_idx; |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_wiener_filter_tile_highbd(data, tile_idx, width, height, stride, rst, |
| tmpdata, tmpstride, 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, void *tmpbuf) { |
| const int tile_width = rst->tile_width >> rst->subsampling_x; |
| const int tile_height = rst->tile_height >> rst->subsampling_y; |
| int i, j; |
| int h_start, h_end, v_start, v_end; |
| uint16_t *data_p; |
| int64_t dat[RESTORATION_TILEPELS_MAX]; |
| |
| if (rst->rsi->sgrproj_info[tile_idx].level == 0) 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; |
| for (i = 0; i < (v_end - v_start); ++i) { |
| for (j = 0; j < (h_end - h_start); ++j) { |
| dat[i * (h_end - h_start) + j] = data_p[i * stride + j]; |
| } |
| } |
| apply_selfguided_restoration(dat, h_end - h_start, v_end - v_start, |
| h_end - h_start, bit_depth, |
| rst->rsi->sgrproj_info[tile_idx].ep, |
| rst->rsi->sgrproj_info[tile_idx].xqd, tmpbuf); |
| for (i = 0; i < (v_end - v_start); ++i) { |
| for (j = 0; j < (h_end - h_start); ++j) { |
| data_p[i * stride + j] = |
| clip_pixel_highbd(dat[i * (h_end - h_start) + j], bit_depth); |
| } |
| } |
| } |
| |
| static void loop_sgrproj_filter_highbd(uint8_t *data8, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *tmpdata8, int tmpstride, |
| int bit_depth) { |
| int tile_idx; |
| uint16_t *data = CONVERT_TO_SHORTPTR(data8); |
| uint8_t *tmpbuf = aom_malloc(SGRPROJ_TMPBUF_SIZE); |
| (void)tmpdata8; |
| (void)tmpstride; |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| loop_sgrproj_filter_tile_highbd(data, tile_idx, width, height, stride, rst, |
| bit_depth, tmpbuf); |
| } |
| aom_free(tmpbuf); |
| } |
| |
| static void loop_switchable_filter_highbd(uint8_t *data8, int width, int height, |
| int stride, RestorationInternal *rst, |
| uint8_t *tmpdata8, int tmpstride, |
| int bit_depth) { |
| uint16_t *data = CONVERT_TO_SHORTPTR(data8); |
| uint16_t *tmpdata = CONVERT_TO_SHORTPTR(tmpdata8); |
| uint8_t *tmpbuf = aom_malloc(SGRPROJ_TMPBUF_SIZE); |
| int i, tile_idx; |
| uint16_t *data_p, *tmpdata_p; |
| |
| // Initialize tmp buffer |
| data_p = data; |
| tmpdata_p = tmpdata; |
| for (i = 0; i < height; ++i) { |
| memcpy(tmpdata_p, data_p, sizeof(*data_p) * width); |
| data_p += stride; |
| tmpdata_p += tmpstride; |
| } |
| for (tile_idx = 0; tile_idx < rst->ntiles; ++tile_idx) { |
| if (rst->rsi->restoration_type[tile_idx] == RESTORE_BILATERAL) { |
| loop_bilateral_filter_tile_highbd(data, tile_idx, width, height, stride, |
| rst, tmpdata, tmpstride, bit_depth); |
| } else if (rst->rsi->restoration_type[tile_idx] == RESTORE_WIENER) { |
| loop_wiener_filter_tile_highbd(data, tile_idx, width, height, stride, rst, |
| tmpdata, tmpstride, bit_depth); |
| } else if (rst->rsi->restoration_type[tile_idx] == RESTORE_SGRPROJ) { |
| loop_sgrproj_filter_tile_highbd(data, tile_idx, width, height, stride, |
| rst, bit_depth, tmpbuf); |
| } |
| } |
| aom_free(tmpbuf); |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| void av1_loop_restoration_rows(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm, |
| int start_mi_row, int end_mi_row, int y_only) { |
| 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_sgrproj_filter, |
| loop_bilateral_filter, |
| loop_wiener_filter, |
| loop_switchable_filter }; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| restore_func_highbd_type restore_funcs_highbd[RESTORE_TYPES] = { |
| NULL, loop_sgrproj_filter_highbd, loop_bilateral_filter_highbd, |
| loop_wiener_filter_highbd, loop_switchable_filter_highbd |
| }; |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| restore_func_type restore_func = |
| restore_funcs[cm->rst_internal.rsi->frame_restoration_type]; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| restore_func_highbd_type restore_func_highbd = |
| restore_funcs_highbd[cm->rst_internal.rsi->frame_restoration_type]; |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| YV12_BUFFER_CONFIG tmp_buf; |
| |
| if (cm->rst_internal.rsi->frame_restoration_type == RESTORE_NONE) return; |
| |
| memset(&tmp_buf, 0, sizeof(YV12_BUFFER_CONFIG)); |
| |
| yend = AOMMIN(yend, cm->height); |
| uvend = AOMMIN(uvend, cm->subsampling_y ? (cm->height + 1) >> 1 : cm->height); |
| |
| if (aom_realloc_frame_buffer( |
| &tmp_buf, 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 tmp restoration buffer"); |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (cm->use_highbitdepth) |
| restore_func_highbd(frame->y_buffer + ystart * ystride, ywidth, |
| yend - ystart, ystride, &cm->rst_internal, |
| tmp_buf.y_buffer + ystart * tmp_buf.y_stride, |
| tmp_buf.y_stride, cm->bit_depth); |
| else |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| restore_func(frame->y_buffer + ystart * ystride, ywidth, yend - ystart, |
| ystride, &cm->rst_internal, |
| tmp_buf.y_buffer + ystart * tmp_buf.y_stride, |
| tmp_buf.y_stride); |
| if (!y_only) { |
| cm->rst_internal.subsampling_x = cm->subsampling_x; |
| cm->rst_internal.subsampling_y = cm->subsampling_y; |
| #if CONFIG_AOM_HIGHBITDEPTH |
| if (cm->use_highbitdepth) { |
| restore_func_highbd(frame->u_buffer + uvstart * uvstride, uvwidth, |
| uvend - uvstart, uvstride, &cm->rst_internal, |
| tmp_buf.u_buffer + uvstart * tmp_buf.uv_stride, |
| tmp_buf.uv_stride, cm->bit_depth); |
| restore_func_highbd(frame->v_buffer + uvstart * uvstride, uvwidth, |
| uvend - uvstart, uvstride, &cm->rst_internal, |
| tmp_buf.v_buffer + uvstart * tmp_buf.uv_stride, |
| tmp_buf.uv_stride, cm->bit_depth); |
| } else { |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| restore_func(frame->u_buffer + uvstart * uvstride, uvwidth, |
| uvend - uvstart, uvstride, &cm->rst_internal, |
| tmp_buf.u_buffer + uvstart * tmp_buf.uv_stride, |
| tmp_buf.uv_stride); |
| restore_func(frame->v_buffer + uvstart * uvstride, uvwidth, |
| uvend - uvstart, uvstride, &cm->rst_internal, |
| tmp_buf.v_buffer + uvstart * tmp_buf.uv_stride, |
| tmp_buf.uv_stride); |
| #if CONFIG_AOM_HIGHBITDEPTH |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| } |
| aom_free_frame_buffer(&tmp_buf); |
| } |
| |
| void av1_loop_restoration_frame(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm, |
| RestorationInfo *rsi, int y_only, |
| int partial_frame) { |
| int start_mi_row, end_mi_row, mi_rows_to_filter; |
| if (rsi->frame_restoration_type != RESTORE_NONE) { |
| 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; |
| av1_loop_restoration_init(&cm->rst_internal, rsi, |
| cm->frame_type == KEY_FRAME, cm->width, |
| cm->height); |
| av1_loop_restoration_rows(frame, cm, start_mi_row, end_mi_row, y_only); |
| } |
| } |
