|  | /* | 
|  | * Copyright (c) 2021, Alliance for Open Media. All rights reserved | 
|  | * | 
|  | * This source code is subject to the terms of the BSD 3-Clause Clear License | 
|  | * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear | 
|  | * License was not distributed with this source code in the LICENSE file, you | 
|  | * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/.  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 | 
|  | * aomedia.org/license/patent-license/. | 
|  | */ | 
|  |  | 
|  | #include <smmintrin.h> | 
|  |  | 
|  | #include "config/av1_rtcd.h" | 
|  |  | 
|  | #include "av1/common/warped_motion.h" | 
|  |  | 
|  | static const uint8_t warp_highbd_arrange_bytes[16] = { 0,  2,  4,  6, 8, 10, | 
|  | 12, 14, 1,  3, 5, 7, | 
|  | 9,  11, 13, 15 }; | 
|  |  | 
|  | static const uint8_t highbd_shuffle_alpha0_mask0[16] = { | 
|  | 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3 | 
|  | }; | 
|  | static const uint8_t highbd_shuffle_alpha0_mask1[16] = { | 
|  | 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7 | 
|  | }; | 
|  | static const uint8_t highbd_shuffle_alpha0_mask2[16] = { 8,  9,  10, 11, 8,  9, | 
|  | 10, 11, 8,  9,  10, 11, | 
|  | 8,  9,  10, 11 }; | 
|  | static const uint8_t highbd_shuffle_alpha0_mask3[16] = { 12, 13, 14, 15, 12, 13, | 
|  | 14, 15, 12, 13, 14, 15, | 
|  | 12, 13, 14, 15 }; | 
|  |  | 
|  | static const uint8_t shuffle_pattern_0[16] = { | 
|  | 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7, 8, 9, | 
|  | }; | 
|  |  | 
|  | static const uint8_t shuffle_pattern_1[16] = { | 
|  | 4, 5, 6, 7, 6, 7, 8, 9, 8, 9, 10, 11, 10, 11, 12, 13, | 
|  | }; | 
|  |  | 
|  | static const uint8_t shuffle_pattern_2[16] = { | 
|  | 6, 7, 8, 9, 8, 9, 10, 11, 10, 11, 12, 13, 12, 13, 14, 15, | 
|  | }; | 
|  |  | 
|  | static const uint8_t shuffle_pattern[16] = { | 
|  | 0, 1, 8, 9, 2, 3, 10, 11, 4, 5, 12, 13, 6, 7, 14, 15, | 
|  | }; | 
|  |  | 
|  | static INLINE void highbd_prepare_horizontal_filter_coeff(int alpha, int sx, | 
|  | __m128i *coeff) { | 
|  | // Filter even-index pixels | 
|  | const __m128i tmp_0 = | 
|  | _mm_loadu_si128((__m128i *)(av1_warped_filter + | 
|  | ((sx + 0 * alpha) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_2 = | 
|  | _mm_loadu_si128((__m128i *)(av1_warped_filter + | 
|  | ((sx + 2 * alpha) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_4 = | 
|  | _mm_loadu_si128((__m128i *)(av1_warped_filter + | 
|  | ((sx + 4 * alpha) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_6 = | 
|  | _mm_loadu_si128((__m128i *)(av1_warped_filter + | 
|  | ((sx + 6 * alpha) >> WARPEDDIFF_PREC_BITS))); | 
|  |  | 
|  | // coeffs 0 1 0 1 2 3 2 3 for pixels 0, 2 | 
|  | const __m128i tmp_8 = _mm_unpacklo_epi32(tmp_0, tmp_2); | 
|  | // coeffs 0 1 0 1 2 3 2 3 for pixels 4, 6 | 
|  | const __m128i tmp_10 = _mm_unpacklo_epi32(tmp_4, tmp_6); | 
|  | // coeffs 4 5 4 5 6 7 6 7 for pixels 0, 2 | 
|  | const __m128i tmp_12 = _mm_unpackhi_epi32(tmp_0, tmp_2); | 
|  | // coeffs 4 5 4 5 6 7 6 7 for pixels 4, 6 | 
|  | const __m128i tmp_14 = _mm_unpackhi_epi32(tmp_4, tmp_6); | 
|  |  | 
|  | // coeffs 0 1 0 1 0 1 0 1 for pixels 0, 2, 4, 6 | 
|  | coeff[0] = _mm_unpacklo_epi64(tmp_8, tmp_10); | 
|  | // coeffs 2 3 2 3 2 3 2 3 for pixels 0, 2, 4, 6 | 
|  | coeff[2] = _mm_unpackhi_epi64(tmp_8, tmp_10); | 
|  | // coeffs 4 5 4 5 4 5 4 5 for pixels 0, 2, 4, 6 | 
|  | coeff[4] = _mm_unpacklo_epi64(tmp_12, tmp_14); | 
|  | // coeffs 6 7 6 7 6 7 6 7 for pixels 0, 2, 4, 6 | 
|  | coeff[6] = _mm_unpackhi_epi64(tmp_12, tmp_14); | 
|  |  | 
|  | // Filter odd-index pixels | 
|  | const __m128i tmp_1 = | 
|  | _mm_loadu_si128((__m128i *)(av1_warped_filter + | 
|  | ((sx + 1 * alpha) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_3 = | 
|  | _mm_loadu_si128((__m128i *)(av1_warped_filter + | 
|  | ((sx + 3 * alpha) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_5 = | 
|  | _mm_loadu_si128((__m128i *)(av1_warped_filter + | 
|  | ((sx + 5 * alpha) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_7 = | 
|  | _mm_loadu_si128((__m128i *)(av1_warped_filter + | 
|  | ((sx + 7 * alpha) >> WARPEDDIFF_PREC_BITS))); | 
|  |  | 
|  | const __m128i tmp_9 = _mm_unpacklo_epi32(tmp_1, tmp_3); | 
|  | const __m128i tmp_11 = _mm_unpacklo_epi32(tmp_5, tmp_7); | 
|  | const __m128i tmp_13 = _mm_unpackhi_epi32(tmp_1, tmp_3); | 
|  | const __m128i tmp_15 = _mm_unpackhi_epi32(tmp_5, tmp_7); | 
|  |  | 
|  | coeff[1] = _mm_unpacklo_epi64(tmp_9, tmp_11); | 
|  | coeff[3] = _mm_unpackhi_epi64(tmp_9, tmp_11); | 
|  | coeff[5] = _mm_unpacklo_epi64(tmp_13, tmp_15); | 
|  | coeff[7] = _mm_unpackhi_epi64(tmp_13, tmp_15); | 
|  | } | 
|  |  | 
|  | static INLINE void highbd_prepare_horizontal_filter_coeff_alpha0( | 
|  | int sx, __m128i *coeff) { | 
|  | // Filter coeff | 
|  | const __m128i tmp_0 = _mm_loadu_si128( | 
|  | (__m128i *)(av1_warped_filter + (sx >> WARPEDDIFF_PREC_BITS))); | 
|  |  | 
|  | coeff[0] = _mm_shuffle_epi8( | 
|  | tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask0)); | 
|  | coeff[2] = _mm_shuffle_epi8( | 
|  | tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask1)); | 
|  | coeff[4] = _mm_shuffle_epi8( | 
|  | tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask2)); | 
|  | coeff[6] = _mm_shuffle_epi8( | 
|  | tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask3)); | 
|  |  | 
|  | coeff[1] = coeff[0]; | 
|  | coeff[3] = coeff[2]; | 
|  | coeff[5] = coeff[4]; | 
|  | coeff[7] = coeff[6]; | 
|  | } | 
|  |  | 
|  | static INLINE void highbd_filter_src_pixels( | 
|  | const __m128i *src, const __m128i *src2, __m128i *tmp, __m128i *coeff, | 
|  | const int offset_bits_horiz, const int reduce_bits_horiz, int k) { | 
|  | const __m128i src_1 = *src; | 
|  | const __m128i src2_1 = *src2; | 
|  |  | 
|  | const __m128i round_const = _mm_set1_epi32((1 << offset_bits_horiz) + | 
|  | ((1 << reduce_bits_horiz) >> 1)); | 
|  |  | 
|  | const __m128i res_0 = _mm_madd_epi16(src_1, coeff[0]); | 
|  | const __m128i res_2 = | 
|  | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 4), coeff[2]); | 
|  | const __m128i res_4 = | 
|  | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 8), coeff[4]); | 
|  | const __m128i res_6 = | 
|  | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 12), coeff[6]); | 
|  |  | 
|  | __m128i res_even = | 
|  | _mm_add_epi32(_mm_add_epi32(res_0, res_4), _mm_add_epi32(res_2, res_6)); | 
|  | res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const), | 
|  | _mm_cvtsi32_si128(reduce_bits_horiz)); | 
|  |  | 
|  | const __m128i res_1 = | 
|  | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 2), coeff[1]); | 
|  | const __m128i res_3 = | 
|  | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 6), coeff[3]); | 
|  | const __m128i res_5 = | 
|  | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 10), coeff[5]); | 
|  | const __m128i res_7 = | 
|  | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 14), coeff[7]); | 
|  |  | 
|  | __m128i res_odd = | 
|  | _mm_add_epi32(_mm_add_epi32(res_1, res_5), _mm_add_epi32(res_3, res_7)); | 
|  | res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const), | 
|  | _mm_cvtsi32_si128(reduce_bits_horiz)); | 
|  |  | 
|  | // Combine results into one register. | 
|  | // We store the columns in the order 0, 2, 4, 6, 1, 3, 5, 7 | 
|  | // as this order helps with the vertical filter. | 
|  | tmp[k + 7] = _mm_packs_epi32(res_even, res_odd); | 
|  | } | 
|  |  | 
|  | static INLINE void highbd_horiz_filter(const __m128i *src, const __m128i *src2, | 
|  | __m128i *tmp, int sx, int alpha, int k, | 
|  | const int offset_bits_horiz, | 
|  | const int reduce_bits_horiz) { | 
|  | __m128i coeff[8]; | 
|  | highbd_prepare_horizontal_filter_coeff(alpha, sx, coeff); | 
|  | highbd_filter_src_pixels(src, src2, tmp, coeff, offset_bits_horiz, | 
|  | reduce_bits_horiz, k); | 
|  | } | 
|  |  | 
|  | static INLINE void highbd_warp_horizontal_filter_alpha0_beta0( | 
|  | const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, | 
|  | int32_t sx4, int alpha, int beta, int p_height, int top_limit, | 
|  | int bottom_limit, int i, const int offset_bits_horiz, | 
|  | const int reduce_bits_horiz) { | 
|  | (void)beta; | 
|  | (void)alpha; | 
|  | int k; | 
|  |  | 
|  | __m128i coeff[8]; | 
|  | highbd_prepare_horizontal_filter_coeff_alpha0(sx4, coeff); | 
|  |  | 
|  | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { | 
|  | int iy = iy4 + k; | 
|  | iy = clamp(iy, top_limit, bottom_limit); | 
|  |  | 
|  | // Load source pixels | 
|  | const __m128i src = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); | 
|  | const __m128i src2 = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); | 
|  | highbd_filter_src_pixels(&src, &src2, tmp, coeff, offset_bits_horiz, | 
|  | reduce_bits_horiz, k); | 
|  | } | 
|  | } | 
|  |  | 
|  | static INLINE void highbd_warp_horizontal_filter_alpha0( | 
|  | const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, | 
|  | int32_t sx4, int alpha, int beta, int p_height, int top_limit, | 
|  | int bottom_limit, int i, const int offset_bits_horiz, | 
|  | const int reduce_bits_horiz) { | 
|  | (void)alpha; | 
|  | int k; | 
|  | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { | 
|  | int iy = iy4 + k; | 
|  | iy = clamp(iy, top_limit, bottom_limit); | 
|  | int sx = sx4 + beta * (k + 4); | 
|  |  | 
|  | // Load source pixels | 
|  | const __m128i src = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); | 
|  | const __m128i src2 = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); | 
|  |  | 
|  | __m128i coeff[8]; | 
|  | highbd_prepare_horizontal_filter_coeff_alpha0(sx, coeff); | 
|  | highbd_filter_src_pixels(&src, &src2, tmp, coeff, offset_bits_horiz, | 
|  | reduce_bits_horiz, k); | 
|  | } | 
|  | } | 
|  |  | 
|  | static INLINE void highbd_warp_horizontal_filter_beta0( | 
|  | const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, | 
|  | int32_t sx4, int alpha, int beta, int p_height, int top_limit, | 
|  | int bottom_limit, int i, const int offset_bits_horiz, | 
|  | const int reduce_bits_horiz) { | 
|  | (void)beta; | 
|  | int k; | 
|  | __m128i coeff[8]; | 
|  | highbd_prepare_horizontal_filter_coeff(alpha, sx4, coeff); | 
|  |  | 
|  | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { | 
|  | int iy = iy4 + k; | 
|  | iy = clamp(iy, top_limit, bottom_limit); | 
|  |  | 
|  | // Load source pixels | 
|  | const __m128i src = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); | 
|  | const __m128i src2 = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); | 
|  | highbd_filter_src_pixels(&src, &src2, tmp, coeff, offset_bits_horiz, | 
|  | reduce_bits_horiz, k); | 
|  | } | 
|  | } | 
|  |  | 
|  | static INLINE void highbd_warp_horizontal_filter( | 
|  | const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, | 
|  | int32_t sx4, int alpha, int beta, int p_height, int top_limit, | 
|  | int bottom_limit, int i, const int offset_bits_horiz, | 
|  | const int reduce_bits_horiz) { | 
|  | int k; | 
|  | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { | 
|  | int iy = iy4 + k; | 
|  | iy = clamp(iy, top_limit, bottom_limit); | 
|  | int sx = sx4 + beta * (k + 4); | 
|  |  | 
|  | // Load source pixels | 
|  | const __m128i src = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); | 
|  | const __m128i src2 = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); | 
|  |  | 
|  | highbd_horiz_filter(&src, &src2, tmp, sx, alpha, k, offset_bits_horiz, | 
|  | reduce_bits_horiz); | 
|  | } | 
|  | } | 
|  |  | 
|  | static INLINE void highbd_prepare_warp_horizontal_filter( | 
|  | const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, | 
|  | int32_t sx4, int alpha, int beta, int p_height, int top_limit, | 
|  | int bottom_limit, int i, const int offset_bits_horiz, | 
|  | const int reduce_bits_horiz) { | 
|  | if (alpha == 0 && beta == 0) | 
|  | highbd_warp_horizontal_filter_alpha0_beta0( | 
|  | ref, tmp, stride, ix4, iy4, sx4, alpha, beta, p_height, top_limit, | 
|  | bottom_limit, i, offset_bits_horiz, reduce_bits_horiz); | 
|  |  | 
|  | else if (alpha == 0 && beta != 0) | 
|  | highbd_warp_horizontal_filter_alpha0( | 
|  | ref, tmp, stride, ix4, iy4, sx4, alpha, beta, p_height, top_limit, | 
|  | bottom_limit, i, offset_bits_horiz, reduce_bits_horiz); | 
|  |  | 
|  | else if (alpha != 0 && beta == 0) | 
|  | highbd_warp_horizontal_filter_beta0( | 
|  | ref, tmp, stride, ix4, iy4, sx4, alpha, beta, p_height, top_limit, | 
|  | bottom_limit, i, offset_bits_horiz, reduce_bits_horiz); | 
|  | else | 
|  | highbd_warp_horizontal_filter(ref, tmp, stride, ix4, iy4, sx4, alpha, beta, | 
|  | p_height, top_limit, bottom_limit, i, | 
|  | offset_bits_horiz, reduce_bits_horiz); | 
|  | } | 
|  |  | 
|  | void av1_highbd_warp_affine_sse4_1(const int32_t *mat, const uint16_t *ref, | 
|  | int width, int height, int stride, | 
|  | uint16_t *pred, int p_col, int p_row, | 
|  | int p_width, int p_height, int p_stride, | 
|  | int subsampling_x, int subsampling_y, int bd, | 
|  | ConvolveParams *conv_params, int16_t alpha, | 
|  | int16_t beta, int16_t gamma, int16_t delta) { | 
|  | const int left_limit = 0; | 
|  | const int right_limit = width - 1; | 
|  | const int top_limit = 0; | 
|  | const int bottom_limit = height - 1; | 
|  | __m128i tmp[15]; | 
|  | int i, j, k; | 
|  | const int reduce_bits_horiz = conv_params->round_0; | 
|  | const int reduce_bits_vert = conv_params->is_compound | 
|  | ? conv_params->round_1 | 
|  | : 2 * FILTER_BITS - reduce_bits_horiz; | 
|  | const int offset_bits_horiz = bd + FILTER_BITS - 1; | 
|  | assert(IMPLIES(conv_params->is_compound, conv_params->dst != NULL)); | 
|  | assert(!(bd == 12 && reduce_bits_horiz < 5)); | 
|  | assert(IMPLIES(conv_params->do_average, conv_params->is_compound)); | 
|  |  | 
|  | // Check that, even with 12-bit input, the intermediate values will fit | 
|  | // into an unsigned 16-bit intermediate array. | 
|  | assert(bd + FILTER_BITS + 2 - conv_params->round_0 <= 16); | 
|  |  | 
|  | const int offset_bits_vert = bd + 2 * FILTER_BITS - reduce_bits_horiz; | 
|  | const __m128i clip_pixel = | 
|  | _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); | 
|  | const __m128i reduce_bits_vert_shift = _mm_cvtsi32_si128(reduce_bits_vert); | 
|  | const __m128i reduce_bits_vert_const = | 
|  | _mm_set1_epi32(((1 << reduce_bits_vert) >> 1)); | 
|  | const __m128i res_add_const = _mm_set1_epi32(1 << offset_bits_vert); | 
|  | const int round_bits = | 
|  | 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; | 
|  | const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; | 
|  | const __m128i res_sub_const = | 
|  | _mm_set1_epi32(-(1 << (offset_bits - conv_params->round_1)) - | 
|  | (1 << (offset_bits - conv_params->round_1 - 1))); | 
|  | __m128i round_bits_shift = _mm_cvtsi32_si128(round_bits); | 
|  | __m128i round_bits_const = _mm_set1_epi32(((1 << round_bits) >> 1)); | 
|  |  | 
|  | const int w0 = conv_params->fwd_offset; | 
|  | const int w1 = conv_params->bck_offset; | 
|  | const __m128i wt0 = _mm_set1_epi32(w0); | 
|  | const __m128i wt1 = _mm_set1_epi32(w1); | 
|  | const int use_wtd_comp_avg = is_uneven_wtd_comp_avg(conv_params); | 
|  |  | 
|  | /* Note: For this code to work, the left/right frame borders need to be | 
|  | extended by at least 13 pixels each. By the time we get here, other | 
|  | code will have set up this border, but we allow an explicit check | 
|  | for debugging purposes. | 
|  | */ | 
|  | /*for (i = 0; i < height; ++i) { | 
|  | for (j = 0; j < 13; ++j) { | 
|  | assert(ref[i * stride - 13 + j] == ref[i * stride]); | 
|  | assert(ref[i * stride + width + j] == ref[i * stride + (width - 1)]); | 
|  | } | 
|  | }*/ | 
|  |  | 
|  | for (i = 0; i < p_height; i += 8) { | 
|  | for (j = 0; j < p_width; j += 8) { | 
|  | const int32_t src_x = (p_col + j + 4) << subsampling_x; | 
|  | const int32_t src_y = (p_row + i + 4) << subsampling_y; | 
|  | const int64_t dst_x = | 
|  | (int64_t)mat[2] * src_x + (int64_t)mat[3] * src_y + (int64_t)mat[0]; | 
|  | const int64_t dst_y = | 
|  | (int64_t)mat[4] * src_x + (int64_t)mat[5] * src_y + (int64_t)mat[1]; | 
|  | const int64_t x4 = dst_x >> subsampling_x; | 
|  | const int64_t y4 = dst_y >> subsampling_y; | 
|  |  | 
|  | int32_t ix4 = (int32_t)(x4 >> WARPEDMODEL_PREC_BITS); | 
|  | int32_t sx4 = x4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); | 
|  | int32_t iy4 = (int32_t)(y4 >> WARPEDMODEL_PREC_BITS); | 
|  | int32_t sy4 = y4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); | 
|  |  | 
|  | // Add in all the constant terms, including rounding and offset | 
|  | sx4 += alpha * (-4) + beta * (-4) + (1 << (WARPEDDIFF_PREC_BITS - 1)) + | 
|  | ((WARPEDPIXEL_PREC_SHIFTS * 3) << WARPEDDIFF_PREC_BITS); | 
|  | sy4 += gamma * (-4) + delta * (-4) + (1 << (WARPEDDIFF_PREC_BITS - 1)) + | 
|  | ((WARPEDPIXEL_PREC_SHIFTS * 3) << WARPEDDIFF_PREC_BITS); | 
|  |  | 
|  | sx4 &= ~((1 << WARP_PARAM_REDUCE_BITS) - 1); | 
|  | sy4 &= ~((1 << WARP_PARAM_REDUCE_BITS) - 1); | 
|  |  | 
|  | // Horizontal filter | 
|  | // If the block is aligned such that, after clamping, every sample | 
|  | // would be taken from the leftmost/rightmost column, then we can | 
|  | // skip the expensive horizontal filter. | 
|  | if (ix4 <= left_limit - 7) { | 
|  | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { | 
|  | int iy = iy4 + k; | 
|  | iy = clamp(iy, top_limit, bottom_limit); | 
|  | tmp[k + 7] = | 
|  | _mm_set1_epi16((1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + | 
|  | ref[iy * stride + left_limit] * | 
|  | (1 << (FILTER_BITS - reduce_bits_horiz))); | 
|  | } | 
|  | } else if (ix4 >= right_limit + 7) { | 
|  | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { | 
|  | int iy = iy4 + k; | 
|  | iy = clamp(iy, top_limit, bottom_limit); | 
|  | tmp[k + 7] = | 
|  | _mm_set1_epi16((1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + | 
|  | ref[iy * stride + right_limit] * | 
|  | (1 << (FILTER_BITS - reduce_bits_horiz))); | 
|  | } | 
|  | } else if (((ix4 - 7) < left_limit) || ((ix4 + 8) > right_limit)) { | 
|  | const int out_of_boundary_left = left_limit - (ix4 - 6); | 
|  | const int out_of_boundary_right = (ix4 + 7) - right_limit; | 
|  |  | 
|  | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { | 
|  | int iy = iy4 + k; | 
|  | iy = clamp(iy, top_limit, bottom_limit); | 
|  | int sx = sx4 + beta * (k + 4); | 
|  |  | 
|  | // Load source pixels | 
|  | const __m128i src = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); | 
|  | const __m128i src2 = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); | 
|  |  | 
|  | const __m128i src_01 = _mm_shuffle_epi8( | 
|  | src, _mm_loadu_si128((__m128i *)warp_highbd_arrange_bytes)); | 
|  | const __m128i src2_01 = _mm_shuffle_epi8( | 
|  | src2, _mm_loadu_si128((__m128i *)warp_highbd_arrange_bytes)); | 
|  |  | 
|  | __m128i src_lo = _mm_unpacklo_epi64(src_01, src2_01); | 
|  | __m128i src_hi = _mm_unpackhi_epi64(src_01, src2_01); | 
|  |  | 
|  | if (out_of_boundary_left >= 0) { | 
|  | const __m128i shuffle_reg_left = | 
|  | _mm_loadu_si128((__m128i *)warp_pad_left[out_of_boundary_left]); | 
|  | src_lo = _mm_shuffle_epi8(src_lo, shuffle_reg_left); | 
|  | src_hi = _mm_shuffle_epi8(src_hi, shuffle_reg_left); | 
|  | } | 
|  |  | 
|  | if (out_of_boundary_right >= 0) { | 
|  | const __m128i shuffle_reg_right = _mm_loadu_si128( | 
|  | (__m128i *)warp_pad_right[out_of_boundary_right]); | 
|  | src_lo = _mm_shuffle_epi8(src_lo, shuffle_reg_right); | 
|  | src_hi = _mm_shuffle_epi8(src_hi, shuffle_reg_right); | 
|  | } | 
|  |  | 
|  | const __m128i src_padded = _mm_unpacklo_epi8(src_lo, src_hi); | 
|  | const __m128i src2_padded = _mm_unpackhi_epi8(src_lo, src_hi); | 
|  |  | 
|  | highbd_horiz_filter(&src_padded, &src2_padded, tmp, sx, alpha, k, | 
|  | offset_bits_horiz, reduce_bits_horiz); | 
|  | } | 
|  | } else { | 
|  | highbd_prepare_warp_horizontal_filter( | 
|  | ref, tmp, stride, ix4, iy4, sx4, alpha, beta, p_height, top_limit, | 
|  | bottom_limit, i, offset_bits_horiz, reduce_bits_horiz); | 
|  | } | 
|  |  | 
|  | // Vertical filter | 
|  | for (k = -4; k < AOMMIN(4, p_height - i - 4); ++k) { | 
|  | int sy = sy4 + delta * (k + 4); | 
|  |  | 
|  | // Load from tmp and rearrange pairs of consecutive rows into the | 
|  | // column order 0 0 2 2 4 4 6 6; 1 1 3 3 5 5 7 7 | 
|  | const __m128i *src = tmp + (k + 4); | 
|  | const __m128i src_0 = _mm_unpacklo_epi16(src[0], src[1]); | 
|  | const __m128i src_2 = _mm_unpacklo_epi16(src[2], src[3]); | 
|  | const __m128i src_4 = _mm_unpacklo_epi16(src[4], src[5]); | 
|  | const __m128i src_6 = _mm_unpacklo_epi16(src[6], src[7]); | 
|  |  | 
|  | // Filter even-index pixels | 
|  | const __m128i tmp_0 = _mm_loadu_si128( | 
|  | (__m128i *)(av1_warped_filter + | 
|  | ((sy + 0 * gamma) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_2 = _mm_loadu_si128( | 
|  | (__m128i *)(av1_warped_filter + | 
|  | ((sy + 2 * gamma) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_4 = _mm_loadu_si128( | 
|  | (__m128i *)(av1_warped_filter + | 
|  | ((sy + 4 * gamma) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_6 = _mm_loadu_si128( | 
|  | (__m128i *)(av1_warped_filter + | 
|  | ((sy + 6 * gamma) >> WARPEDDIFF_PREC_BITS))); | 
|  |  | 
|  | const __m128i tmp_8 = _mm_unpacklo_epi32(tmp_0, tmp_2); | 
|  | const __m128i tmp_10 = _mm_unpacklo_epi32(tmp_4, tmp_6); | 
|  | const __m128i tmp_12 = _mm_unpackhi_epi32(tmp_0, tmp_2); | 
|  | const __m128i tmp_14 = _mm_unpackhi_epi32(tmp_4, tmp_6); | 
|  |  | 
|  | const __m128i coeff_0 = _mm_unpacklo_epi64(tmp_8, tmp_10); | 
|  | const __m128i coeff_2 = _mm_unpackhi_epi64(tmp_8, tmp_10); | 
|  | const __m128i coeff_4 = _mm_unpacklo_epi64(tmp_12, tmp_14); | 
|  | const __m128i coeff_6 = _mm_unpackhi_epi64(tmp_12, tmp_14); | 
|  |  | 
|  | const __m128i res_0 = _mm_madd_epi16(src_0, coeff_0); | 
|  | const __m128i res_2 = _mm_madd_epi16(src_2, coeff_2); | 
|  | const __m128i res_4 = _mm_madd_epi16(src_4, coeff_4); | 
|  | const __m128i res_6 = _mm_madd_epi16(src_6, coeff_6); | 
|  |  | 
|  | const __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_2), | 
|  | _mm_add_epi32(res_4, res_6)); | 
|  |  | 
|  | // Filter odd-index pixels | 
|  | const __m128i src_1 = _mm_unpackhi_epi16(src[0], src[1]); | 
|  | const __m128i src_3 = _mm_unpackhi_epi16(src[2], src[3]); | 
|  | const __m128i src_5 = _mm_unpackhi_epi16(src[4], src[5]); | 
|  | const __m128i src_7 = _mm_unpackhi_epi16(src[6], src[7]); | 
|  |  | 
|  | const __m128i tmp_1 = _mm_loadu_si128( | 
|  | (__m128i *)(av1_warped_filter + | 
|  | ((sy + 1 * gamma) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_3 = _mm_loadu_si128( | 
|  | (__m128i *)(av1_warped_filter + | 
|  | ((sy + 3 * gamma) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_5 = _mm_loadu_si128( | 
|  | (__m128i *)(av1_warped_filter + | 
|  | ((sy + 5 * gamma) >> WARPEDDIFF_PREC_BITS))); | 
|  | const __m128i tmp_7 = _mm_loadu_si128( | 
|  | (__m128i *)(av1_warped_filter + | 
|  | ((sy + 7 * gamma) >> WARPEDDIFF_PREC_BITS))); | 
|  |  | 
|  | const __m128i tmp_9 = _mm_unpacklo_epi32(tmp_1, tmp_3); | 
|  | const __m128i tmp_11 = _mm_unpacklo_epi32(tmp_5, tmp_7); | 
|  | const __m128i tmp_13 = _mm_unpackhi_epi32(tmp_1, tmp_3); | 
|  | const __m128i tmp_15 = _mm_unpackhi_epi32(tmp_5, tmp_7); | 
|  |  | 
|  | const __m128i coeff_1 = _mm_unpacklo_epi64(tmp_9, tmp_11); | 
|  | const __m128i coeff_3 = _mm_unpackhi_epi64(tmp_9, tmp_11); | 
|  | const __m128i coeff_5 = _mm_unpacklo_epi64(tmp_13, tmp_15); | 
|  | const __m128i coeff_7 = _mm_unpackhi_epi64(tmp_13, tmp_15); | 
|  |  | 
|  | const __m128i res_1 = _mm_madd_epi16(src_1, coeff_1); | 
|  | const __m128i res_3 = _mm_madd_epi16(src_3, coeff_3); | 
|  | const __m128i res_5 = _mm_madd_epi16(src_5, coeff_5); | 
|  | const __m128i res_7 = _mm_madd_epi16(src_7, coeff_7); | 
|  |  | 
|  | const __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_3), | 
|  | _mm_add_epi32(res_5, res_7)); | 
|  |  | 
|  | // Rearrange pixels back into the order 0 ... 7 | 
|  | __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd); | 
|  | __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd); | 
|  |  | 
|  | if (conv_params->is_compound) { | 
|  | __m128i *const p = | 
|  | (__m128i *)&conv_params | 
|  | ->dst[(i + k + 4) * conv_params->dst_stride + j]; | 
|  | res_lo = _mm_add_epi32(res_lo, res_add_const); | 
|  | res_lo = _mm_sra_epi32(_mm_add_epi32(res_lo, reduce_bits_vert_const), | 
|  | reduce_bits_vert_shift); | 
|  |  | 
|  | if (conv_params->do_average) { | 
|  | __m128i *const dst16 = (__m128i *)&pred[(i + k + 4) * p_stride + j]; | 
|  | __m128i p_32 = _mm_cvtepu16_epi32(_mm_loadl_epi64(p)); | 
|  |  | 
|  | if (use_wtd_comp_avg) { | 
|  | res_lo = _mm_add_epi32(_mm_mullo_epi32(p_32, wt0), | 
|  | _mm_mullo_epi32(res_lo, wt1)); | 
|  | res_lo = _mm_srai_epi32(res_lo, DIST_PRECISION_BITS); | 
|  | } else { | 
|  | res_lo = _mm_srai_epi32(_mm_add_epi32(p_32, res_lo), 1); | 
|  | } | 
|  |  | 
|  | __m128i res32_lo = _mm_add_epi32(res_lo, res_sub_const); | 
|  | res32_lo = _mm_sra_epi32(_mm_add_epi32(res32_lo, round_bits_const), | 
|  | round_bits_shift); | 
|  |  | 
|  | __m128i res16_lo = _mm_packus_epi32(res32_lo, res32_lo); | 
|  | res16_lo = _mm_min_epi16(res16_lo, clip_pixel); | 
|  | _mm_storel_epi64(dst16, res16_lo); | 
|  | } else { | 
|  | res_lo = _mm_packus_epi32(res_lo, res_lo); | 
|  | _mm_storel_epi64(p, res_lo); | 
|  | } | 
|  | if (p_width > 4) { | 
|  | __m128i *const p4 = | 
|  | (__m128i *)&conv_params | 
|  | ->dst[(i + k + 4) * conv_params->dst_stride + j + 4]; | 
|  |  | 
|  | res_hi = _mm_add_epi32(res_hi, res_add_const); | 
|  | res_hi = | 
|  | _mm_sra_epi32(_mm_add_epi32(res_hi, reduce_bits_vert_const), | 
|  | reduce_bits_vert_shift); | 
|  | if (conv_params->do_average) { | 
|  | __m128i *const dst16_4 = | 
|  | (__m128i *)&pred[(i + k + 4) * p_stride + j + 4]; | 
|  | __m128i p4_32 = _mm_cvtepu16_epi32(_mm_loadl_epi64(p4)); | 
|  |  | 
|  | if (use_wtd_comp_avg) { | 
|  | res_hi = _mm_add_epi32(_mm_mullo_epi32(p4_32, wt0), | 
|  | _mm_mullo_epi32(res_hi, wt1)); | 
|  | res_hi = _mm_srai_epi32(res_hi, DIST_PRECISION_BITS); | 
|  | } else { | 
|  | res_hi = _mm_srai_epi32(_mm_add_epi32(p4_32, res_hi), 1); | 
|  | } | 
|  |  | 
|  | __m128i res32_hi = _mm_add_epi32(res_hi, res_sub_const); | 
|  | res32_hi = _mm_sra_epi32( | 
|  | _mm_add_epi32(res32_hi, round_bits_const), round_bits_shift); | 
|  | __m128i res16_hi = _mm_packus_epi32(res32_hi, res32_hi); | 
|  | res16_hi = _mm_min_epi16(res16_hi, clip_pixel); | 
|  | _mm_storel_epi64(dst16_4, res16_hi); | 
|  | } else { | 
|  | res_hi = _mm_packus_epi32(res_hi, res_hi); | 
|  | _mm_storel_epi64(p4, res_hi); | 
|  | } | 
|  | } | 
|  | } else { | 
|  | // Round and pack into 8 bits | 
|  | const __m128i round_const = | 
|  | _mm_set1_epi32(-(1 << (bd + reduce_bits_vert - 1)) + | 
|  | ((1 << reduce_bits_vert) >> 1)); | 
|  |  | 
|  | const __m128i res_lo_round = _mm_srai_epi32( | 
|  | _mm_add_epi32(res_lo, round_const), reduce_bits_vert); | 
|  | const __m128i res_hi_round = _mm_srai_epi32( | 
|  | _mm_add_epi32(res_hi, round_const), reduce_bits_vert); | 
|  |  | 
|  | __m128i res_16bit = _mm_packs_epi32(res_lo_round, res_hi_round); | 
|  | // Clamp res_16bit to the range [0, 2^bd - 1] | 
|  | const __m128i max_val = _mm_set1_epi16((1 << bd) - 1); | 
|  | const __m128i zero = _mm_setzero_si128(); | 
|  | res_16bit = _mm_max_epi16(_mm_min_epi16(res_16bit, max_val), zero); | 
|  |  | 
|  | // Store, blending with 'pred' if needed | 
|  | __m128i *const p = (__m128i *)&pred[(i + k + 4) * p_stride + j]; | 
|  |  | 
|  | // Note: If we're outputting a 4x4 block, we need to be very careful | 
|  | // to only output 4 pixels at this point, to avoid encode/decode | 
|  | // mismatches when encoding with multiple threads. | 
|  | if (p_width == 4) { | 
|  | _mm_storel_epi64(p, res_16bit); | 
|  | } else { | 
|  | _mm_storeu_si128(p, res_16bit); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | static INLINE void ext_highbd_filter_coeff(int offset_x, __m128i *coeff) { | 
|  | // Filter coeff | 
|  | const __m128i filt = | 
|  | _mm_loadu_si128((__m128i *)(av1_ext_warped_filter + offset_x)); | 
|  |  | 
|  | coeff[0] = _mm_shuffle_epi8( | 
|  | filt, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask0)); | 
|  | coeff[1] = _mm_shuffle_epi8( | 
|  | filt, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask1)); | 
|  | coeff[2] = _mm_shuffle_epi8( | 
|  | filt, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask2)); | 
|  | } | 
|  |  | 
|  | static INLINE void ext_highbd_filter_src_pixels( | 
|  | const __m128i *src, const __m128i *src2, __m128i *tmp, __m128i *coeff, | 
|  | const int offset_bits_horiz, const int reduce_bits_horiz, int k) { | 
|  | const __m128i src_1 = *src; | 
|  | const __m128i src2_1 = *src2; | 
|  |  | 
|  | const __m128i round_const = _mm_set1_epi32((1 << offset_bits_horiz) + | 
|  | ((1 << reduce_bits_horiz) >> 1)); | 
|  |  | 
|  | // s00 s01 s01 s02 s02 s03 s03 s04 | 
|  | const __m128i src_01 = | 
|  | _mm_shuffle_epi8(src_1, _mm_loadu_si128((__m128i *)shuffle_pattern_0)); | 
|  | const __m128i src_23 = | 
|  | _mm_shuffle_epi8(src_1, _mm_loadu_si128((__m128i *)shuffle_pattern_1)); | 
|  | const __m128i src_45 = | 
|  | _mm_shuffle_epi8(src2_1, _mm_loadu_si128((__m128i *)shuffle_pattern_2)); | 
|  |  | 
|  | const __m128i res_0 = _mm_madd_epi16(src_01, coeff[0]); | 
|  | const __m128i res_2 = _mm_madd_epi16(src_23, coeff[1]); | 
|  | const __m128i res_4 = _mm_madd_epi16(src_45, coeff[2]); | 
|  |  | 
|  | __m128i res = _mm_add_epi32(_mm_add_epi32(res_0, res_4), res_2); | 
|  | tmp[k + 4] = | 
|  | _mm_srai_epi32(_mm_add_epi32(res, round_const), reduce_bits_horiz); | 
|  | } | 
|  |  | 
|  | static INLINE void ext_highbd_warp_horizontal_filter( | 
|  | const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, | 
|  | int32_t offset_x, int top_limit, int bottom_limit, | 
|  | const int offset_bits_horiz, const int reduce_bits_horiz) { | 
|  | int k; | 
|  |  | 
|  | __m128i coeff[3]; | 
|  | ext_highbd_filter_coeff(offset_x, coeff); | 
|  |  | 
|  | for (k = -4; k < 5; ++k) { | 
|  | int iy = iy4 + k; | 
|  | iy = clamp(iy, top_limit, bottom_limit); | 
|  |  | 
|  | // Load source pixels | 
|  | const __m128i src = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 4)); | 
|  | const __m128i src2 = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 3)); | 
|  | ext_highbd_filter_src_pixels(&src, &src2, tmp, coeff, offset_bits_horiz, | 
|  | reduce_bits_horiz, k); | 
|  | } | 
|  | } | 
|  |  | 
|  | void av1_ext_highbd_warp_horiz_sse4_1(const uint16_t *ref, __m128i *tmp, | 
|  | int stride, int32_t ix4, int32_t iy4, | 
|  | int32_t offset, int height, int width, | 
|  | int bd, const int offset_bits_horiz, | 
|  | const int reduce_bits_horiz, | 
|  | int left_limit, int right_limit, | 
|  | int top_limit, int bottom_limit) { | 
|  | // If the block is aligned such that, after clamping, every sample | 
|  | // would be taken from the leftmost/rightmost column, then we can | 
|  | // skip the expensive horizontal filter. | 
|  | (void)width; | 
|  | (void)height; | 
|  | if (ix4 <= left_limit - 4) { | 
|  | for (int k = -4; k < 5; ++k) { | 
|  | int iy = iy4 + k; | 
|  | iy = clamp(iy, top_limit, bottom_limit); | 
|  | tmp[k + 4] = | 
|  | _mm_set1_epi16((1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + | 
|  | ref[iy * stride + left_limit] * | 
|  | (1 << (FILTER_BITS - reduce_bits_horiz))); | 
|  | // r00 r00 r00 r00 | 
|  | tmp[k + 4] = _mm_unpacklo_epi16(tmp[k + 4], _mm_setzero_si128()); | 
|  | } | 
|  | } else if (ix4 >= right_limit + 1 + 3) { | 
|  | for (int k = -4; k < 5; ++k) { | 
|  | int iy = iy4 + k; | 
|  | iy = clamp(iy, top_limit, bottom_limit); | 
|  | tmp[k + 4] = | 
|  | _mm_set1_epi16((1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + | 
|  | ref[iy * stride + right_limit] * | 
|  | (1 << (FILTER_BITS - reduce_bits_horiz))); | 
|  | // r00 r00 r00 r00 | 
|  | tmp[k + 4] = _mm_unpacklo_epi16(tmp[k + 4], _mm_setzero_si128()); | 
|  | } | 
|  | } else if (((ix4 - 4) < left_limit) || ((ix4 + 12) > (right_limit + 1))) { | 
|  | const int out_of_boundary_left = left_limit - (ix4 - 3); | 
|  | const int out_of_boundary_right = (ix4 + 11) - (right_limit + 1); | 
|  |  | 
|  | __m128i coeff[3]; | 
|  | ext_highbd_filter_coeff(offset, coeff); | 
|  |  | 
|  | for (int k = -4; k < 5; ++k) { | 
|  | int iy = iy4 + k; | 
|  | iy = clamp(iy, top_limit, bottom_limit); | 
|  |  | 
|  | // Load source pixels | 
|  | const __m128i src = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 4)); | 
|  | const __m128i src2 = | 
|  | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 4)); | 
|  |  | 
|  | const __m128i src_01 = _mm_shuffle_epi8( | 
|  | src, _mm_loadu_si128((__m128i *)warp_highbd_arrange_bytes)); | 
|  | const __m128i src2_01 = _mm_shuffle_epi8( | 
|  | src2, _mm_loadu_si128((__m128i *)warp_highbd_arrange_bytes)); | 
|  |  | 
|  | __m128i src_lo = _mm_unpacklo_epi64(src_01, src2_01); | 
|  | __m128i src_hi = _mm_unpackhi_epi64(src_01, src2_01); | 
|  |  | 
|  | if (out_of_boundary_left >= 0) { | 
|  | const __m128i shuffle_reg_left = | 
|  | _mm_loadu_si128((__m128i *)warp_pad_left[out_of_boundary_left]); | 
|  | src_lo = _mm_shuffle_epi8(src_lo, shuffle_reg_left); | 
|  | src_hi = _mm_shuffle_epi8(src_hi, shuffle_reg_left); | 
|  | } | 
|  |  | 
|  | if (out_of_boundary_right >= 0) { | 
|  | const __m128i shuffle_reg_right = | 
|  | _mm_loadu_si128((__m128i *)warp_pad_right[out_of_boundary_right]); | 
|  | src_lo = _mm_shuffle_epi8(src_lo, shuffle_reg_right); | 
|  | src_hi = _mm_shuffle_epi8(src_hi, shuffle_reg_right); | 
|  | } | 
|  | // s00 s01 s02 s03 s04 s05 s06 s07 | s10 s11 s12 s13 s14 s15 s16 s17 | 
|  | const __m128i src0_padded = _mm_unpacklo_epi8(src_lo, src_hi); | 
|  | // s08 s09 s010 s011 s012 s013 s014 s015 | s18 s19 s110 s111 s112 s113 | 
|  | // s114 s115 | 
|  | const __m128i src1_temp = _mm_unpackhi_epi8(src_lo, src_hi); | 
|  |  | 
|  | // s01 s02 s03 s04 s05 s06 s07 s08 | s11 s12 s13 s14 s15 s16 s17 s18 | 
|  | const __m128i src1_padded = _mm_alignr_epi8(src1_temp, src0_padded, 2); | 
|  |  | 
|  | ext_highbd_filter_src_pixels(&src0_padded, &src1_padded, tmp, coeff, | 
|  | offset_bits_horiz, reduce_bits_horiz, k); | 
|  | } | 
|  | } else { | 
|  | ext_highbd_warp_horizontal_filter(ref, tmp, stride, ix4, iy4, offset, | 
|  |  | 
|  | top_limit, bottom_limit, | 
|  | offset_bits_horiz, reduce_bits_horiz); | 
|  | } | 
|  | } | 
|  |  | 
|  | void av1_ext_highbd_warp_affine_sse4_1(const int32_t *mat, const uint16_t *ref, | 
|  | int width, int height, int stride, | 
|  | uint16_t *pred, int p_col, int p_row, | 
|  | int p_width, int p_height, int p_stride, | 
|  | int subsampling_x, int subsampling_y, | 
|  | int bd, ConvolveParams *conv_params, | 
|  | int use_warp_bd_box, | 
|  | WarpBoundaryBox *warp_bd_box) { | 
|  | int left_limit = 0; | 
|  | int right_limit = width - 1; | 
|  | int top_limit = 0; | 
|  | int bottom_limit = height - 1; | 
|  | int warp_bd_box_mem_stride = MAX_WARP_BD_SIZE; | 
|  | int box_idx, x_loc, y_loc; | 
|  | __m128i tmp[9]; | 
|  | int i, j, k; | 
|  | const int reduce_bits_horiz = conv_params->round_0; | 
|  | const int reduce_bits_vert = conv_params->is_compound | 
|  | ? conv_params->round_1 | 
|  | : 2 * FILTER_BITS - reduce_bits_horiz; | 
|  | const int offset_bits_horiz = bd + FILTER_BITS - 1; | 
|  | assert(IMPLIES(conv_params->is_compound, conv_params->dst != NULL)); | 
|  | assert(!(bd == 12 && reduce_bits_horiz < 5)); | 
|  | assert(IMPLIES(conv_params->do_average, conv_params->is_compound)); | 
|  |  | 
|  | // Check that, even with 12-bit input, the intermediate values will fit | 
|  | // into an unsigned 16-bit intermediate array. | 
|  | assert(bd + FILTER_BITS + 2 - conv_params->round_0 <= 16); | 
|  |  | 
|  | const int offset_bits_vert = bd + 2 * FILTER_BITS - reduce_bits_horiz; | 
|  | const __m128i clip_pixel = | 
|  | _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); | 
|  | const __m128i reduce_bits_vert_const = | 
|  | _mm_set1_epi32(((1 << reduce_bits_vert) >> 1)); | 
|  | const __m128i res_add_const = _mm_set1_epi32(1 << offset_bits_vert); | 
|  | const int round_bits = | 
|  | 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; | 
|  | const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; | 
|  | const __m128i res_sub_const = | 
|  | _mm_set1_epi32(-(1 << (offset_bits - conv_params->round_1)) - | 
|  | (1 << (offset_bits - conv_params->round_1 - 1))); | 
|  | __m128i round_bits_const = _mm_set1_epi32(((1 << round_bits) >> 1)); | 
|  |  | 
|  | const int w0 = conv_params->fwd_offset; | 
|  | const int w1 = conv_params->bck_offset; | 
|  | const __m128i wt0 = _mm_set1_epi32(w0); | 
|  | const __m128i wt1 = _mm_set1_epi32(w1); | 
|  | const int use_wtd_comp_avg = is_uneven_wtd_comp_avg(conv_params); | 
|  |  | 
|  | /* Note: For this code to work, the left/right frame borders need to be | 
|  | extended by at least 13 pixels each. By the time we get here, other | 
|  | code will have set up this border, but we allow an explicit check | 
|  | for debugging purposes. | 
|  | */ | 
|  | /*for (i = 0; i < height; ++i) { | 
|  | for (j = 0; j < 13; ++j) { | 
|  | assert(ref[i * stride - 13 + j] == ref[i * stride]); | 
|  | assert(ref[i * stride + width + j] == ref[i * stride + (width - 1)]); | 
|  | } | 
|  | }*/ | 
|  |  | 
|  | for (i = 0; i < p_height; i += 4) { | 
|  | for (j = 0; j < p_width; j += 4) { | 
|  | if (use_warp_bd_box) { | 
|  | x_loc = j; | 
|  | y_loc = i; | 
|  | box_idx = (x_loc >> 3) + (y_loc >> 3) * warp_bd_box_mem_stride; | 
|  | left_limit = warp_bd_box[box_idx].x0; | 
|  | right_limit = warp_bd_box[box_idx].x1 - 1; | 
|  | top_limit = warp_bd_box[box_idx].y0; | 
|  | bottom_limit = warp_bd_box[box_idx].y1 - 1; | 
|  | } | 
|  | // Calculate the center of this 4x4 block, | 
|  | // project to luma coordinates (if in a subsampled chroma plane), | 
|  | // apply the affine transformation, | 
|  | // then convert back to the original coordinates (if necessary) | 
|  | const int32_t src_x = (p_col + j + 2) << subsampling_x; | 
|  | const int32_t src_y = (p_row + i + 2) << subsampling_y; | 
|  | const int64_t dst_x = | 
|  | (int64_t)mat[2] * src_x + (int64_t)mat[3] * src_y + (int64_t)mat[0]; | 
|  | const int64_t dst_y = | 
|  | (int64_t)mat[4] * src_x + (int64_t)mat[5] * src_y + (int64_t)mat[1]; | 
|  | const int64_t x4 = dst_x >> subsampling_x; | 
|  | const int64_t y4 = dst_y >> subsampling_y; | 
|  |  | 
|  | int32_t ix4 = (int32_t)(x4 >> WARPEDMODEL_PREC_BITS); | 
|  | int32_t sx4 = x4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); | 
|  | int32_t iy4 = (int32_t)(y4 >> WARPEDMODEL_PREC_BITS); | 
|  | int32_t sy4 = y4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); | 
|  |  | 
|  | // Horizontal Filter | 
|  | const int offs_x = ROUND_POWER_OF_TWO(sx4, WARPEDDIFF_PREC_BITS); | 
|  | assert(offs_x >= 0 && offs_x <= WARPEDPIXEL_PREC_SHIFTS); | 
|  |  | 
|  | av1_ext_highbd_warp_horiz_sse4_1(ref, tmp, stride, ix4, iy4, offs_x, | 
|  | height, width, bd, offset_bits_horiz, | 
|  | reduce_bits_horiz, left_limit, | 
|  | right_limit, top_limit, bottom_limit); | 
|  | for (k = -4; k < 4; ++k) { | 
|  | // s00 s01 s02 s03 | s10 s11 s12 s13 | 
|  | tmp[k + 4] = _mm_packs_epi32(tmp[k + 4], tmp[k + 5]); | 
|  | } | 
|  | // Vertical filter | 
|  | const int offs_y = ROUND_POWER_OF_TWO(sy4, WARPEDDIFF_PREC_BITS); | 
|  | assert(offs_y >= 0 && offs_y <= WARPEDPIXEL_PREC_SHIFTS); | 
|  |  | 
|  | __m128i coeff[3]; | 
|  | ext_highbd_filter_coeff(offs_y, coeff); | 
|  | const __m128i *src = tmp; | 
|  | const __m128i shuffle_mask = _mm_loadu_si128((__m128i *)shuffle_pattern); | 
|  | // s00 s10 s01 s11 s02 s12 s03 s13 | 
|  | __m128i src_01 = _mm_shuffle_epi8(src[0], shuffle_mask); | 
|  | // s20 s30 s21 s31 s22 s32 s23 s33 | 
|  | __m128i src_23 = _mm_shuffle_epi8(src[2], shuffle_mask); | 
|  | // s10 s20 s11 s21 s12 s22 s13 s23 | 
|  | __m128i src_12 = _mm_shuffle_epi8(src[1], shuffle_mask); | 
|  | // s30 s40 s31 s41 s32 s42 s33 s43 | 
|  | __m128i src_34 = _mm_shuffle_epi8(src[3], shuffle_mask); | 
|  |  | 
|  | for (k = -2; k < AOMMIN(2, p_height - i - 2); k += 2) { | 
|  | // s40 s50 s41 s51 s42 s52 s43 s53 | 
|  | const __m128i src_45 = _mm_shuffle_epi8(src[k + 6], shuffle_mask); | 
|  | // s50 s60 s51 s61 s52 s62 s53 s63 | 
|  | const __m128i src_56 = _mm_shuffle_epi8(src[k + 7], shuffle_mask); | 
|  |  | 
|  | const __m128i res_01 = _mm_madd_epi16(src_01, coeff[0]); | 
|  | const __m128i res_23 = _mm_madd_epi16(src_23, coeff[1]); | 
|  | const __m128i res_45 = _mm_madd_epi16(src_45, coeff[2]); | 
|  |  | 
|  | // r00 r01 r02 r03 | 
|  | __m128i res_r0 = _mm_add_epi32(_mm_add_epi32(res_01, res_23), res_45); | 
|  |  | 
|  | const __m128i res_12 = _mm_madd_epi16(src_12, coeff[0]); | 
|  | const __m128i res_34 = _mm_madd_epi16(src_34, coeff[1]); | 
|  | const __m128i res_56 = _mm_madd_epi16(src_56, coeff[2]); | 
|  |  | 
|  | // r10 r11 r12 r13 | 
|  | __m128i res_r1 = _mm_add_epi32(_mm_add_epi32(res_12, res_34), res_56); | 
|  |  | 
|  | src_01 = src_23; | 
|  | src_23 = src_45; | 
|  | src_12 = src_34; | 
|  | src_34 = src_56; | 
|  | if (conv_params->is_compound) { | 
|  | __m128i *const p_r0 = | 
|  | (__m128i *)&conv_params | 
|  | ->dst[(i + k + 2) * conv_params->dst_stride + j]; | 
|  | __m128i *const p_r1 = | 
|  | (__m128i *)&conv_params | 
|  | ->dst[(i + k + 3) * conv_params->dst_stride + j]; | 
|  | res_r0 = _mm_add_epi32(res_r0, res_add_const); | 
|  | res_r0 = _mm_srai_epi32(_mm_add_epi32(res_r0, reduce_bits_vert_const), | 
|  | reduce_bits_vert); | 
|  |  | 
|  | res_r1 = _mm_add_epi32(res_r1, res_add_const); | 
|  | res_r1 = _mm_srai_epi32(_mm_add_epi32(res_r1, reduce_bits_vert_const), | 
|  | reduce_bits_vert); | 
|  |  | 
|  | if (conv_params->do_average) { | 
|  | __m128i *const dst16_r0 = | 
|  | (__m128i *)&pred[(i + k + 2) * p_stride + j]; | 
|  | __m128i *const dst16_r1 = | 
|  | (__m128i *)&pred[(i + k + 3) * p_stride + j]; | 
|  | __m128i p_32_r0 = _mm_cvtepu16_epi32(_mm_loadl_epi64(p_r0)); | 
|  | __m128i p_32_r1 = _mm_cvtepu16_epi32(_mm_loadl_epi64(p_r1)); | 
|  |  | 
|  | if (use_wtd_comp_avg) { | 
|  | res_r0 = _mm_add_epi32(_mm_mullo_epi32(p_32_r0, wt0), | 
|  | _mm_mullo_epi32(res_r0, wt1)); | 
|  | res_r0 = _mm_srai_epi32(res_r0, DIST_PRECISION_BITS); | 
|  | res_r1 = _mm_add_epi32(_mm_mullo_epi32(p_32_r1, wt0), | 
|  | _mm_mullo_epi32(res_r1, wt1)); | 
|  | res_r1 = _mm_srai_epi32(res_r1, DIST_PRECISION_BITS); | 
|  | } else { | 
|  | res_r0 = _mm_srai_epi32(_mm_add_epi32(p_32_r0, res_r0), 1); | 
|  | res_r1 = _mm_srai_epi32(_mm_add_epi32(p_32_r1, res_r1), 1); | 
|  | } | 
|  |  | 
|  | __m128i res32_r0 = _mm_add_epi32(res_r0, res_sub_const); | 
|  | res32_r0 = _mm_srai_epi32(_mm_add_epi32(res32_r0, round_bits_const), | 
|  | round_bits); | 
|  | __m128i res32_r1 = _mm_add_epi32(res_r1, res_sub_const); | 
|  | res32_r1 = _mm_srai_epi32(_mm_add_epi32(res32_r1, round_bits_const), | 
|  | round_bits); | 
|  |  | 
|  | // r00 r01 r02 r03 | r10 r11 r12 r13 | 
|  | __m128i res16 = _mm_packus_epi32(res32_r0, res32_r1); | 
|  | res16 = _mm_min_epi16(res16, clip_pixel); | 
|  | _mm_storel_epi64(dst16_r0, res16); | 
|  | _mm_storel_epi64(dst16_r1, _mm_srli_si128(res16, 8)); | 
|  | } else { | 
|  | // r00 r01 r02 r03 | r10 r11 r12 r13 | 
|  | __m128i res16 = _mm_packus_epi32(res_r0, res_r1); | 
|  | _mm_storel_epi64(p_r0, res16); | 
|  | _mm_storel_epi64(p_r1, _mm_srli_si128(res16, 8)); | 
|  | } | 
|  | } else { | 
|  | // Round and pack into 8 bits | 
|  | const __m128i round_const = | 
|  | _mm_set1_epi32(-(1 << (bd + reduce_bits_vert - 1)) + | 
|  | ((1 << reduce_bits_vert) >> 1)); | 
|  |  | 
|  | const __m128i res_r0_round = _mm_srai_epi32( | 
|  | _mm_add_epi32(res_r0, round_const), reduce_bits_vert); | 
|  | const __m128i res_r1_round = _mm_srai_epi32( | 
|  | _mm_add_epi32(res_r1, round_const), reduce_bits_vert); | 
|  | // r00 r01 r02 r03 | r10 r11 r12 r13 | 
|  | __m128i res_16bit = _mm_packs_epi32(res_r0_round, res_r1_round); | 
|  | // Clamp res_16bit to the range [0, 2^bd - 1] | 
|  | const __m128i max_val = _mm_set1_epi16((1 << bd) - 1); | 
|  | const __m128i zero = _mm_setzero_si128(); | 
|  | res_16bit = _mm_max_epi16(_mm_min_epi16(res_16bit, max_val), zero); | 
|  |  | 
|  | // Store, blending with 'pred' if needed | 
|  | __m128i *const p_r0 = (__m128i *)&pred[(i + k + 2) * p_stride + j]; | 
|  | __m128i *const p_r1 = (__m128i *)&pred[(i + k + 3) * p_stride + j]; | 
|  |  | 
|  | _mm_storel_epi64(p_r0, res_16bit); | 
|  | _mm_storel_epi64(p_r1, _mm_srli_si128(res_16bit, 8)); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } |