| /* |
| * 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 <assert.h> |
| #include <string.h> |
| |
| #include "./aom_dsp_rtcd.h" |
| #include "./av1_rtcd.h" |
| #include "av1/common/convolve.h" |
| #include "av1/common/filter.h" |
| #include "aom_dsp/aom_dsp_common.h" |
| #include "aom_ports/mem.h" |
| |
| #define MAX_BLOCK_WIDTH (MAX_SB_SIZE) |
| #define MAX_BLOCK_HEIGHT (MAX_SB_SIZE) |
| #define MAX_STEP (32) |
| #define MAX_FILTER_TAP (12) |
| |
| void av1_convolve_horiz_c(const uint8_t *src, int src_stride, uint8_t *dst, |
| int dst_stride, int w, int h, |
| const InterpFilterParams filter_params, |
| const int subpel_x_q4, int x_step_q4, |
| ConvolveParams *conv_params) { |
| int x, y; |
| int filter_size = filter_params.taps; |
| src -= filter_size / 2 - 1; |
| for (y = 0; y < h; ++y) { |
| int x_q4 = subpel_x_q4; |
| for (x = 0; x < w; ++x) { |
| const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS]; |
| const int16_t *x_filter = av1_get_interp_filter_subpel_kernel( |
| filter_params, x_q4 & SUBPEL_MASK); |
| int k, sum = 0; |
| for (k = 0; k < filter_size; ++k) sum += src_x[k] * x_filter[k]; |
| |
| if (conv_params->round == CONVOLVE_OPT_ROUND) { |
| sum = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)); |
| if (conv_params->ref) |
| dst[x] = ROUND_POWER_OF_TWO(dst[x] + sum, 1); |
| else |
| dst[x] = sum; |
| } else { |
| int tmp = conv_params->dst[y * conv_params->dst_stride + x]; |
| if (conv_params->ref) |
| tmp = ROUND_POWER_OF_TWO(tmp + sum, 1); |
| else |
| tmp = sum; |
| conv_params->dst[y * conv_params->dst_stride + x] = |
| clamp(tmp, INT32_MIN, INT32_MAX); |
| } |
| |
| x_q4 += x_step_q4; |
| } |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } |
| |
| void av1_convolve_vert_c(const uint8_t *src, int src_stride, uint8_t *dst, |
| int dst_stride, int w, int h, |
| const InterpFilterParams filter_params, |
| const int subpel_y_q4, int y_step_q4, |
| ConvolveParams *conv_params) { |
| int x, y; |
| int filter_size = filter_params.taps; |
| src -= src_stride * (filter_size / 2 - 1); |
| |
| for (x = 0; x < w; ++x) { |
| int y_q4 = subpel_y_q4; |
| for (y = 0; y < h; ++y) { |
| const uint8_t *const src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride]; |
| const int16_t *y_filter = av1_get_interp_filter_subpel_kernel( |
| filter_params, y_q4 & SUBPEL_MASK); |
| int k, sum = 0; |
| for (k = 0; k < filter_size; ++k) |
| sum += src_y[k * src_stride] * y_filter[k]; |
| |
| if (conv_params->round == CONVOLVE_OPT_ROUND) { |
| sum = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)); |
| if (conv_params->ref) |
| dst[y * dst_stride] = |
| ROUND_POWER_OF_TWO(dst[y * dst_stride] + sum, 1); |
| else |
| dst[y * dst_stride] = sum; |
| } else { |
| int tmp = conv_params->dst[y * conv_params->dst_stride + x]; |
| if (conv_params->ref) |
| tmp = ROUND_POWER_OF_TWO(tmp + sum, 1); |
| else |
| tmp = sum; |
| conv_params->dst[y * conv_params->dst_stride + x] = |
| clamp(tmp, INT32_MIN, INT32_MAX); |
| } |
| |
| y_q4 += y_step_q4; |
| } |
| ++src; |
| ++dst; |
| } |
| } |
| |
| static void convolve_copy(const uint8_t *src, int src_stride, uint8_t *dst, |
| int dst_stride, int w, int h, |
| ConvolveParams *conv_params) { |
| if (conv_params->ref == 0) { |
| int r, c; |
| for (r = 0; r < h; ++r) { |
| if (conv_params->round == CONVOLVE_OPT_ROUND) { |
| memcpy(dst, src, w); |
| } else { |
| for (c = 0; c < w; ++c) |
| conv_params->dst[r * conv_params->dst_stride + c] = ((uint16_t)src[c]) |
| << FILTER_BITS; |
| } |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } else { |
| int r, c; |
| for (r = 0; r < h; ++r) { |
| for (c = 0; c < w; ++c) { |
| if (conv_params->round == CONVOLVE_OPT_ROUND) { |
| dst[c] = clip_pixel(ROUND_POWER_OF_TWO(dst[c] + src[c], 1)); |
| } else { |
| int tmp = conv_params->dst[r * conv_params->dst_stride + c]; |
| tmp = ROUND_POWER_OF_TWO(tmp + (((int32_t)src[c]) << FILTER_BITS), 1); |
| conv_params->dst[r * conv_params->dst_stride + c] = |
| clamp(tmp, INT32_MIN, INT32_MAX); |
| } |
| } |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } |
| } |
| |
| void av1_convolve_horiz_facade(const uint8_t *src, int src_stride, uint8_t *dst, |
| int dst_stride, int w, int h, |
| const InterpFilterParams filter_params, |
| const int subpel_x_q4, int x_step_q4, |
| ConvolveParams *conv_params) { |
| if (filter_params.taps == SUBPEL_TAPS && |
| conv_params->round == CONVOLVE_OPT_ROUND) { |
| const int16_t *filter_x = |
| av1_get_interp_filter_subpel_kernel(filter_params, subpel_x_q4); |
| if (conv_params->ref == 0) |
| aom_convolve8_horiz(src, src_stride, dst, dst_stride, filter_x, x_step_q4, |
| NULL, -1, w, h); |
| else |
| aom_convolve8_avg_horiz(src, src_stride, dst, dst_stride, filter_x, |
| x_step_q4, NULL, -1, w, h); |
| } else { |
| if (conv_params->round == CONVOLVE_OPT_ROUND) { |
| av1_convolve_horiz(src, src_stride, dst, dst_stride, w, h, filter_params, |
| subpel_x_q4, x_step_q4, conv_params); |
| } else { |
| // TODO(angiebird) need SIMD implementation here |
| av1_convolve_horiz_c(src, src_stride, dst, dst_stride, w, h, |
| filter_params, subpel_x_q4, x_step_q4, conv_params); |
| } |
| } |
| } |
| |
| void av1_convolve_vert_facade(const uint8_t *src, int src_stride, uint8_t *dst, |
| int dst_stride, int w, int h, |
| const InterpFilterParams filter_params, |
| const int subpel_y_q4, int y_step_q4, |
| ConvolveParams *conv_params) { |
| if (filter_params.taps == SUBPEL_TAPS && |
| conv_params->round == CONVOLVE_OPT_ROUND) { |
| const int16_t *filter_y = |
| av1_get_interp_filter_subpel_kernel(filter_params, subpel_y_q4); |
| if (conv_params->ref == 0) { |
| aom_convolve8_vert(src, src_stride, dst, dst_stride, NULL, -1, filter_y, |
| y_step_q4, w, h); |
| } else { |
| aom_convolve8_avg_vert(src, src_stride, dst, dst_stride, NULL, -1, |
| filter_y, y_step_q4, w, h); |
| } |
| } else { |
| if (conv_params->round == CONVOLVE_OPT_ROUND) { |
| av1_convolve_vert(src, src_stride, dst, dst_stride, w, h, filter_params, |
| subpel_y_q4, y_step_q4, conv_params); |
| } else { |
| // TODO(angiebird) need SIMD implementation here |
| av1_convolve_vert_c(src, src_stride, dst, dst_stride, w, h, filter_params, |
| subpel_y_q4, y_step_q4, conv_params); |
| } |
| } |
| } |
| |
| #if CONFIG_CONVOLVE_ROUND |
| void av1_convolve_rounding(const int32_t *src, int src_stride, uint8_t *dst, |
| int dst_stride, int w, int h, int bits) { |
| int r, c; |
| for (r = 0; r < h; ++r) { |
| for (c = 0; c < w; ++c) { |
| dst[r * dst_stride + c] = |
| clip_pixel(ROUND_POWER_OF_TWO_SIGNED(src[r * src_stride + c], bits)); |
| } |
| } |
| } |
| |
| void av1_convolve_2d(const uint8_t *src, int src_stride, CONV_BUF_TYPE *dst, |
| int dst_stride, int w, int h, |
| InterpFilterParams *filter_params_x, |
| InterpFilterParams *filter_params_y, const int subpel_x_q4, |
| const int subpel_y_q4, ConvolveParams *conv_params) { |
| int x, y, k; |
| CONV_BUF_TYPE im_block[(MAX_SB_SIZE + MAX_FILTER_TAP - 1) * MAX_SB_SIZE]; |
| int im_h = h + filter_params_y->taps - 1; |
| int im_stride = w; |
| const int fo_vert = filter_params_y->taps / 2 - 1; |
| const int fo_horiz = filter_params_x->taps / 2 - 1; |
| (void)conv_params; |
| // horizontal filter |
| const uint8_t *src_horiz = src - fo_vert * src_stride; |
| const int16_t *x_filter = av1_get_interp_filter_subpel_kernel( |
| *filter_params_x, subpel_x_q4 & SUBPEL_MASK); |
| for (y = 0; y < im_h; ++y) { |
| for (x = 0; x < w; ++x) { |
| CONV_BUF_TYPE sum = 0; |
| for (k = 0; k < filter_params_x->taps; ++k) { |
| sum += x_filter[k] * src_horiz[y * src_stride + x - fo_horiz + k]; |
| } |
| im_block[y * im_stride + x] = |
| ROUND_POWER_OF_TWO_SIGNED(sum, conv_params->round_0); |
| } |
| } |
| |
| // vertical filter |
| CONV_BUF_TYPE *src_vert = im_block + fo_vert * im_stride; |
| const int16_t *y_filter = av1_get_interp_filter_subpel_kernel( |
| *filter_params_y, subpel_y_q4 & SUBPEL_MASK); |
| for (y = 0; y < h; ++y) { |
| for (x = 0; x < w; ++x) { |
| CONV_BUF_TYPE sum = 0; |
| for (k = 0; k < filter_params_y->taps; ++k) { |
| sum += y_filter[k] * src_vert[(y - fo_vert + k) * im_stride + x]; |
| } |
| dst[y * dst_stride + x] += |
| ROUND_POWER_OF_TWO_SIGNED(sum, conv_params->round_1); |
| } |
| } |
| } |
| |
| static INLINE void transpose_uint8(uint8_t *dst, int dst_stride, |
| const uint8_t *src, int src_stride, int w, |
| int h) { |
| int r, c; |
| for (r = 0; r < h; ++r) |
| for (c = 0; c < w; ++c) |
| dst[c * (dst_stride) + r] = src[r * (src_stride) + c]; |
| } |
| |
| static INLINE void transpose_int32(int32_t *dst, int dst_stride, |
| const int32_t *src, int src_stride, int w, |
| int h) { |
| int r, c; |
| for (r = 0; r < h; ++r) |
| for (c = 0; c < w; ++c) |
| dst[c * (dst_stride) + r] = src[r * (src_stride) + c]; |
| } |
| |
| void av1_convolve_2d_facade(const uint8_t *src, int src_stride, uint8_t *dst, |
| int dst_stride, int w, int h, |
| const InterpFilter *interp_filter, |
| const int subpel_x_q4, int x_step_q4, |
| const int subpel_y_q4, int y_step_q4, |
| ConvolveParams *conv_params) { |
| (void)x_step_q4; |
| (void)y_step_q4; |
| (void)dst; |
| (void)dst_stride; |
| InterpFilterParams filter_params_x = |
| av1_get_interp_filter_params(interp_filter[1 + 2 * conv_params->ref]); |
| InterpFilterParams filter_params_y = |
| av1_get_interp_filter_params(interp_filter[0 + 2 * conv_params->ref]); |
| |
| #if CONFIG_DUAL_FILTER |
| if (filter_params_x.interp_filter == MULTITAP_SHARP && |
| filter_params_y.interp_filter == MULTITAP_SHARP) { |
| // Avoid two directions both using 12-tap filter. |
| // This will reduce hardware implementation cost. |
| filter_params_y = av1_get_interp_filter_params(EIGHTTAP_SHARP); |
| } |
| #endif |
| |
| if (filter_params_y.taps < filter_params_x.taps) { |
| uint8_t tr_src[(MAX_SB_SIZE + MAX_FILTER_TAP - 1) * |
| (MAX_SB_SIZE + MAX_FILTER_TAP - 1)]; |
| int tr_src_stride = MAX_SB_SIZE + MAX_FILTER_TAP - 1; |
| CONV_BUF_TYPE tr_dst[MAX_SB_SIZE * MAX_SB_SIZE]; |
| int tr_dst_stride = MAX_SB_SIZE; |
| int fo_vert = filter_params_y.taps / 2 - 1; |
| int fo_horiz = filter_params_x.taps / 2 - 1; |
| |
| transpose_uint8(tr_src, tr_src_stride, |
| src - fo_vert * src_stride - fo_horiz, src_stride, |
| w + filter_params_x.taps - 1, h + filter_params_y.taps - 1); |
| transpose_int32(tr_dst, tr_dst_stride, conv_params->dst, |
| conv_params->dst_stride, w, h); |
| |
| // horizontal and vertical parameters are swapped because of the transpose |
| av1_convolve_2d(tr_src + fo_horiz * tr_src_stride + fo_vert, tr_src_stride, |
| tr_dst, tr_dst_stride, h, w, &filter_params_y, |
| &filter_params_x, subpel_y_q4, subpel_x_q4, conv_params); |
| transpose_int32(conv_params->dst, conv_params->dst_stride, tr_dst, |
| tr_dst_stride, h, w); |
| } else { |
| av1_convolve_2d(src, src_stride, conv_params->dst, conv_params->dst_stride, |
| w, h, &filter_params_x, &filter_params_y, subpel_x_q4, |
| subpel_y_q4, conv_params); |
| } |
| } |
| |
| #endif // CONFIG_CONVOLVE_ROUND |
| |
| void av1_convolve(const uint8_t *src, int src_stride, uint8_t *dst, |
| int dst_stride, int w, int h, |
| #if CONFIG_DUAL_FILTER |
| const InterpFilter *interp_filter, |
| #else |
| const InterpFilter interp_filter, |
| #endif |
| const int subpel_x_q4, int x_step_q4, const int subpel_y_q4, |
| int y_step_q4, ConvolveParams *conv_params) { |
| int ignore_horiz = x_step_q4 == 16 && subpel_x_q4 == 0; |
| int ignore_vert = y_step_q4 == 16 && subpel_y_q4 == 0; |
| #if CONFIG_DUAL_FILTER |
| InterpFilterParams filter_params_x = |
| av1_get_interp_filter_params(interp_filter[1 + 2 * conv_params->ref]); |
| InterpFilterParams filter_params_y = |
| av1_get_interp_filter_params(interp_filter[0 + 2 * conv_params->ref]); |
| InterpFilterParams filter_params; |
| #else |
| InterpFilterParams filter_params = |
| av1_get_interp_filter_params(interp_filter); |
| #endif |
| |
| assert(w <= MAX_BLOCK_WIDTH); |
| assert(h <= MAX_BLOCK_HEIGHT); |
| assert(y_step_q4 <= MAX_STEP); |
| assert(x_step_q4 <= MAX_STEP); |
| |
| if (ignore_horiz && ignore_vert) { |
| convolve_copy(src, src_stride, dst, dst_stride, w, h, conv_params); |
| } else if (ignore_vert) { |
| #if CONFIG_DUAL_FILTER |
| filter_params = filter_params_x; |
| #endif |
| assert(filter_params.taps <= MAX_FILTER_TAP); |
| av1_convolve_horiz_facade(src, src_stride, dst, dst_stride, w, h, |
| filter_params, subpel_x_q4, x_step_q4, |
| conv_params); |
| } else if (ignore_horiz) { |
| #if CONFIG_DUAL_FILTER |
| filter_params = filter_params_y; |
| #endif |
| assert(filter_params.taps <= MAX_FILTER_TAP); |
| av1_convolve_vert_facade(src, src_stride, dst, dst_stride, w, h, |
| filter_params, subpel_y_q4, y_step_q4, |
| conv_params); |
| } else { |
| // temp's size is set to a 256 aligned value to facilitate SIMD |
| // implementation. The value is greater than (maximum possible intermediate |
| // height or width) * MAX_SB_SIZE |
| DECLARE_ALIGNED(16, uint8_t, |
| temp[((MAX_SB_SIZE * 2 + 16) + 16) * MAX_SB_SIZE]); |
| int max_intermediate_size = ((MAX_SB_SIZE * 2 + 16) + 16); |
| int filter_size; |
| #if CONFIG_DUAL_FILTER |
| if (interp_filter[0 + 2 * conv_params->ref] == MULTITAP_SHARP && |
| interp_filter[1 + 2 * conv_params->ref] == MULTITAP_SHARP) { |
| // Avoid two directions both using 12-tap filter. |
| // This will reduce hardware implementation cost. |
| filter_params_y = av1_get_interp_filter_params(EIGHTTAP_SHARP); |
| } |
| |
| // we do filter with fewer taps first to reduce hardware implementation |
| // complexity |
| if (filter_params_y.taps < filter_params_x.taps) { |
| int intermediate_width; |
| int temp_stride = max_intermediate_size; |
| ConvolveParams temp_conv_params; |
| temp_conv_params.ref = 0; |
| temp_conv_params.round = CONVOLVE_OPT_ROUND; |
| filter_params = filter_params_y; |
| filter_size = filter_params_x.taps; |
| intermediate_width = |
| (((w - 1) * x_step_q4 + subpel_x_q4) >> SUBPEL_BITS) + filter_size; |
| assert(intermediate_width <= max_intermediate_size); |
| |
| assert(filter_params.taps <= MAX_FILTER_TAP); |
| |
| av1_convolve_vert_facade(src - (filter_size / 2 - 1), src_stride, temp, |
| temp_stride, intermediate_width, h, |
| filter_params, subpel_y_q4, y_step_q4, |
| &temp_conv_params); |
| |
| filter_params = filter_params_x; |
| assert(filter_params.taps <= MAX_FILTER_TAP); |
| av1_convolve_horiz_facade(temp + (filter_size / 2 - 1), temp_stride, dst, |
| dst_stride, w, h, filter_params, subpel_x_q4, |
| x_step_q4, conv_params); |
| } else |
| #endif // CONFIG_DUAL_FILTER |
| { |
| int intermediate_height; |
| int temp_stride = MAX_SB_SIZE; |
| ConvolveParams temp_conv_params; |
| temp_conv_params.ref = 0; |
| temp_conv_params.round = CONVOLVE_OPT_ROUND; |
| #if CONFIG_DUAL_FILTER |
| filter_params = filter_params_x; |
| filter_size = filter_params_y.taps; |
| #else |
| filter_size = filter_params.taps; |
| #endif |
| intermediate_height = |
| (((h - 1) * y_step_q4 + subpel_y_q4) >> SUBPEL_BITS) + filter_size; |
| assert(intermediate_height <= max_intermediate_size); |
| (void)max_intermediate_size; |
| |
| assert(filter_params.taps <= MAX_FILTER_TAP); |
| |
| av1_convolve_horiz_facade(src - src_stride * (filter_size / 2 - 1), |
| src_stride, temp, temp_stride, w, |
| intermediate_height, filter_params, subpel_x_q4, |
| x_step_q4, &temp_conv_params); |
| |
| #if CONFIG_DUAL_FILTER |
| filter_params = filter_params_y; |
| #endif |
| assert(filter_params.taps <= MAX_FILTER_TAP); |
| |
| av1_convolve_vert_facade( |
| temp + temp_stride * (filter_size / 2 - 1), temp_stride, dst, |
| dst_stride, w, h, filter_params, subpel_y_q4, y_step_q4, conv_params); |
| } |
| } |
| } |
| |
| void av1_convolve_init_c(void) { |
| // A placeholder for SIMD initialization |
| return; |
| } |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void av1_highbd_convolve_horiz_c(const uint16_t *src, int src_stride, |
| uint16_t *dst, int dst_stride, int w, int h, |
| const InterpFilterParams filter_params, |
| const int subpel_x_q4, int x_step_q4, int avg, |
| int bd) { |
| int x, y; |
| int filter_size = filter_params.taps; |
| src -= filter_size / 2 - 1; |
| for (y = 0; y < h; ++y) { |
| int x_q4 = subpel_x_q4; |
| for (x = 0; x < w; ++x) { |
| const uint16_t *const src_x = &src[x_q4 >> SUBPEL_BITS]; |
| const int16_t *x_filter = av1_get_interp_filter_subpel_kernel( |
| filter_params, x_q4 & SUBPEL_MASK); |
| int k, sum = 0; |
| for (k = 0; k < filter_size; ++k) sum += src_x[k] * x_filter[k]; |
| if (avg) |
| dst[x] = ROUND_POWER_OF_TWO( |
| dst[x] + |
| clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd), |
| 1); |
| else |
| dst[x] = clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd); |
| x_q4 += x_step_q4; |
| } |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } |
| |
| void av1_highbd_convolve_vert_c(const uint16_t *src, int src_stride, |
| uint16_t *dst, int dst_stride, int w, int h, |
| const InterpFilterParams filter_params, |
| const int subpel_y_q4, int y_step_q4, int avg, |
| int bd) { |
| int x, y; |
| int filter_size = filter_params.taps; |
| src -= src_stride * (filter_size / 2 - 1); |
| |
| for (x = 0; x < w; ++x) { |
| int y_q4 = subpel_y_q4; |
| for (y = 0; y < h; ++y) { |
| const uint16_t *const src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride]; |
| const int16_t *y_filter = av1_get_interp_filter_subpel_kernel( |
| filter_params, y_q4 & SUBPEL_MASK); |
| int k, sum = 0; |
| for (k = 0; k < filter_size; ++k) |
| sum += src_y[k * src_stride] * y_filter[k]; |
| if (avg) { |
| dst[y * dst_stride] = ROUND_POWER_OF_TWO( |
| dst[y * dst_stride] + |
| clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd), |
| 1); |
| } else { |
| dst[y * dst_stride] = |
| clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd); |
| } |
| y_q4 += y_step_q4; |
| } |
| ++src; |
| ++dst; |
| } |
| } |
| |
| static void highbd_convolve_copy(const uint16_t *src, int src_stride, |
| uint16_t *dst, int dst_stride, int w, int h, |
| int avg, int bd) { |
| if (avg == 0) { |
| int r; |
| for (r = 0; r < h; ++r) { |
| memcpy(dst, src, w * sizeof(*src)); |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } else { |
| int r, c; |
| for (r = 0; r < h; ++r) { |
| for (c = 0; c < w; ++c) { |
| dst[c] = clip_pixel_highbd(ROUND_POWER_OF_TWO(dst[c] + src[c], 1), bd); |
| } |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } |
| } |
| |
| void av1_highbd_convolve_horiz_facade(const uint8_t *src8, int src_stride, |
| uint8_t *dst8, int dst_stride, int w, |
| int h, |
| const InterpFilterParams filter_params, |
| const int subpel_x_q4, int x_step_q4, |
| int avg, int bd) { |
| uint16_t *src = CONVERT_TO_SHORTPTR(src8); |
| uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); |
| if (filter_params.taps == SUBPEL_TAPS) { |
| const int16_t *filter_x = |
| av1_get_interp_filter_subpel_kernel(filter_params, subpel_x_q4); |
| if (avg == 0) |
| aom_highbd_convolve8_horiz(src8, src_stride, dst8, dst_stride, filter_x, |
| x_step_q4, NULL, -1, w, h, bd); |
| else |
| aom_highbd_convolve8_avg_horiz(src8, src_stride, dst8, dst_stride, |
| filter_x, x_step_q4, NULL, -1, w, h, bd); |
| } else { |
| av1_highbd_convolve_horiz(src, src_stride, dst, dst_stride, w, h, |
| filter_params, subpel_x_q4, x_step_q4, avg, bd); |
| } |
| } |
| |
| void av1_highbd_convolve_vert_facade(const uint8_t *src8, int src_stride, |
| uint8_t *dst8, int dst_stride, int w, |
| int h, |
| const InterpFilterParams filter_params, |
| const int subpel_y_q4, int y_step_q4, |
| int avg, int bd) { |
| uint16_t *src = CONVERT_TO_SHORTPTR(src8); |
| uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); |
| |
| if (filter_params.taps == SUBPEL_TAPS) { |
| const int16_t *filter_y = |
| av1_get_interp_filter_subpel_kernel(filter_params, subpel_y_q4); |
| if (avg == 0) { |
| aom_highbd_convolve8_vert(src8, src_stride, dst8, dst_stride, NULL, -1, |
| filter_y, y_step_q4, w, h, bd); |
| } else { |
| aom_highbd_convolve8_avg_vert(src8, src_stride, dst8, dst_stride, NULL, |
| -1, filter_y, y_step_q4, w, h, bd); |
| } |
| } else { |
| av1_highbd_convolve_vert(src, src_stride, dst, dst_stride, w, h, |
| filter_params, subpel_y_q4, y_step_q4, avg, bd); |
| } |
| } |
| |
| void av1_highbd_convolve(const uint8_t *src8, int src_stride, uint8_t *dst8, |
| int dst_stride, int w, int h, |
| #if CONFIG_DUAL_FILTER |
| const InterpFilter *interp_filter, |
| #else |
| const InterpFilter interp_filter, |
| #endif |
| const int subpel_x_q4, int x_step_q4, |
| const int subpel_y_q4, int y_step_q4, int ref_idx, |
| int bd) { |
| uint16_t *src = CONVERT_TO_SHORTPTR(src8); |
| uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); |
| int ignore_horiz = x_step_q4 == 16 && subpel_x_q4 == 0; |
| int ignore_vert = y_step_q4 == 16 && subpel_y_q4 == 0; |
| |
| assert(w <= MAX_BLOCK_WIDTH); |
| assert(h <= MAX_BLOCK_HEIGHT); |
| assert(y_step_q4 <= MAX_STEP); |
| assert(x_step_q4 <= MAX_STEP); |
| |
| if (ignore_horiz && ignore_vert) { |
| highbd_convolve_copy(src, src_stride, dst, dst_stride, w, h, ref_idx, bd); |
| } else if (ignore_vert) { |
| #if CONFIG_DUAL_FILTER |
| InterpFilterParams filter_params = |
| av1_get_interp_filter_params(interp_filter[1 + 2 * ref_idx]); |
| #else |
| InterpFilterParams filter_params = |
| av1_get_interp_filter_params(interp_filter); |
| #endif |
| av1_highbd_convolve_horiz_facade(src8, src_stride, dst8, dst_stride, w, h, |
| filter_params, subpel_x_q4, x_step_q4, |
| ref_idx, bd); |
| } else if (ignore_horiz) { |
| #if CONFIG_DUAL_FILTER |
| InterpFilterParams filter_params = |
| av1_get_interp_filter_params(interp_filter[0 + 2 * ref_idx]); |
| #else |
| InterpFilterParams filter_params = |
| av1_get_interp_filter_params(interp_filter); |
| #endif |
| av1_highbd_convolve_vert_facade(src8, src_stride, dst8, dst_stride, w, h, |
| filter_params, subpel_y_q4, y_step_q4, |
| ref_idx, bd); |
| } else { |
| // temp's size is set to a 256 aligned value to facilitate SIMD |
| // implementation. The value is greater than (maximum possible intermediate |
| // height or width) * MAX_SB_SIZE |
| DECLARE_ALIGNED(16, uint16_t, |
| temp[((MAX_SB_SIZE * 2 + 16) + 16) * MAX_SB_SIZE]); |
| uint8_t *temp8 = CONVERT_TO_BYTEPTR(temp); |
| int max_intermediate_size = ((MAX_SB_SIZE * 2 + 16) + 16); |
| int filter_size; |
| InterpFilterParams filter_params; |
| #if CONFIG_DUAL_FILTER |
| InterpFilterParams filter_params_x = |
| av1_get_interp_filter_params(interp_filter[1 + 2 * ref_idx]); |
| InterpFilterParams filter_params_y = |
| av1_get_interp_filter_params(interp_filter[0 + 2 * ref_idx]); |
| if (interp_filter[0 + 2 * ref_idx] == MULTITAP_SHARP && |
| interp_filter[1 + 2 * ref_idx] == MULTITAP_SHARP) { |
| // Avoid two directions both using 12-tap filter. |
| // This will reduce hardware implementation cost. |
| filter_params_y = av1_get_interp_filter_params(EIGHTTAP_SHARP); |
| } |
| #endif |
| |
| #if CONFIG_DUAL_FILTER |
| if (filter_params_y.taps < filter_params_x.taps) { |
| int intermediate_width; |
| int temp_stride = max_intermediate_size; |
| filter_params = filter_params_y; |
| filter_size = filter_params_x.taps; |
| intermediate_width = |
| (((w - 1) * x_step_q4 + subpel_x_q4) >> SUBPEL_BITS) + filter_size; |
| assert(intermediate_width <= max_intermediate_size); |
| |
| assert(filter_params.taps <= MAX_FILTER_TAP); |
| |
| av1_highbd_convolve_vert_facade( |
| src8 - (filter_size / 2 - 1), src_stride, temp8, temp_stride, |
| intermediate_width, h, filter_params, subpel_y_q4, y_step_q4, 0, bd); |
| |
| filter_params = filter_params_x; |
| assert(filter_params.taps <= MAX_FILTER_TAP); |
| |
| av1_highbd_convolve_horiz_facade( |
| temp8 + (filter_size / 2 - 1), temp_stride, dst8, dst_stride, w, h, |
| filter_params, subpel_x_q4, x_step_q4, ref_idx, bd); |
| } else |
| #endif // CONFIG_DUAL_FILTER |
| { |
| int intermediate_height; |
| int temp_stride = MAX_SB_SIZE; |
| #if CONFIG_DUAL_FILTER |
| filter_params = filter_params_x; |
| filter_size = filter_params_y.taps; |
| #else |
| filter_params = av1_get_interp_filter_params(interp_filter); |
| filter_size = filter_params.taps; |
| #endif |
| intermediate_height = |
| (((h - 1) * y_step_q4 + subpel_y_q4) >> SUBPEL_BITS) + filter_size; |
| assert(intermediate_height <= max_intermediate_size); |
| (void)max_intermediate_size; |
| |
| av1_highbd_convolve_horiz_facade( |
| src8 - src_stride * (filter_size / 2 - 1), src_stride, temp8, |
| temp_stride, w, intermediate_height, filter_params, subpel_x_q4, |
| x_step_q4, 0, bd); |
| |
| #if CONFIG_DUAL_FILTER |
| filter_params = filter_params_y; |
| #endif |
| filter_size = filter_params.taps; |
| assert(filter_params.taps <= MAX_FILTER_TAP); |
| |
| av1_highbd_convolve_vert_facade( |
| temp8 + temp_stride * (filter_size / 2 - 1), temp_stride, dst8, |
| dst_stride, w, h, filter_params, subpel_y_q4, y_step_q4, ref_idx, bd); |
| } |
| } |
| } |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
