| /* | |
| * 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 }, | |
| }; | |
| 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 i, tile_idx; | |
| 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 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; | |
| // 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); | |
| } | |
| } | |
| } | |
| #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 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) { | |
| loop_wiener_filter_tile_highbd(data, tile_idx, width, height, stride, rst, | |
| tmpdata, tmpstride, bit_depth); | |
| } | |
| } | |
| 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); | |
| 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); | |
| } | |
| } | |
| } | |
| #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_func = | |
| cm->rst_internal.rsi->frame_restoration_type == RESTORE_BILATERAL | |
| ? loop_bilateral_filter | |
| : (cm->rst_internal.rsi->frame_restoration_type == RESTORE_WIENER | |
| ? loop_wiener_filter | |
| : loop_switchable_filter); | |
| #if CONFIG_AOM_HIGHBITDEPTH | |
| restore_func_highbd_type restore_func_highbd = | |
| cm->rst_internal.rsi->frame_restoration_type == RESTORE_BILATERAL | |
| ? loop_bilateral_filter_highbd | |
| : (cm->rst_internal.rsi->frame_restoration_type == RESTORE_WIENER | |
| ? loop_wiener_filter_highbd | |
| : loop_switchable_filter_highbd); | |
| #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); | |
| } | |
| } |