17ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian/* 27ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian * Copyright (c) 2014 The WebM project authors. All Rights Reserved. 37ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian * 47ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian * Use of this source code is governed by a BSD-style license 57ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian * that can be found in the LICENSE file in the root of the source 67ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian * tree. An additional intellectual property rights grant can be found 77ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian * in the file PATENTS. All contributing project authors may 87ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian * be found in the AUTHORS file in the root of the source tree. 97ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian */ 107ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 117ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian#include <emmintrin.h> 127ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 137ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian#include "./vpx_config.h" 147ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian#include "./vp9_rtcd.h" 157ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 167ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian#include "vpx/vpx_integer.h" 177ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian#include "vp9/common/vp9_reconinter.h" 187ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian#include "vp9/encoder/vp9_context_tree.h" 197ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian#include "vp9/encoder/vp9_denoiser.h" 207ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian#include "vpx_mem/vpx_mem.h" 217ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 227ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian// Compute the sum of all pixel differences of this MB. 237ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanianstatic INLINE int sum_diff_16x1(__m128i acc_diff) { 247ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i k_1 = _mm_set1_epi16(1); 257ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i acc_diff_lo = 267ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian _mm_srai_epi16(_mm_unpacklo_epi8(acc_diff, acc_diff), 8); 277ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i acc_diff_hi = 287ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian _mm_srai_epi16(_mm_unpackhi_epi8(acc_diff, acc_diff), 8); 297ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i acc_diff_16 = _mm_add_epi16(acc_diff_lo, acc_diff_hi); 307ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i hg_fe_dc_ba = _mm_madd_epi16(acc_diff_16, k_1); 317ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i hgfe_dcba = 327ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian _mm_add_epi32(hg_fe_dc_ba, _mm_srli_si128(hg_fe_dc_ba, 8)); 337ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i hgfedcba = 347ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian _mm_add_epi32(hgfe_dcba, _mm_srli_si128(hgfe_dcba, 4)); 357ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian return _mm_cvtsi128_si32(hgfedcba); 367ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian} 377ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 387ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian// Denoise a 16x1 vector. 397bc9febe8749e98a3812a0dc4380ceae75c29450Johannstatic INLINE __m128i vp9_denoiser_16x1_sse2( 407bc9febe8749e98a3812a0dc4380ceae75c29450Johann const uint8_t *sig, const uint8_t *mc_running_avg_y, uint8_t *running_avg_y, 417bc9febe8749e98a3812a0dc4380ceae75c29450Johann const __m128i *k_0, const __m128i *k_4, const __m128i *k_8, 427bc9febe8749e98a3812a0dc4380ceae75c29450Johann const __m128i *k_16, const __m128i *l3, const __m128i *l32, 437bc9febe8749e98a3812a0dc4380ceae75c29450Johann const __m128i *l21, __m128i acc_diff) { 447ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Calculate differences 457ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i v_sig = _mm_loadu_si128((const __m128i *)(&sig[0])); 467ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i v_mc_running_avg_y = 477ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian _mm_loadu_si128((const __m128i *)(&mc_running_avg_y[0])); 487ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian __m128i v_running_avg_y; 497ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i pdiff = _mm_subs_epu8(v_mc_running_avg_y, v_sig); 507ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i ndiff = _mm_subs_epu8(v_sig, v_mc_running_avg_y); 517ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Obtain the sign. FF if diff is negative. 527ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i diff_sign = _mm_cmpeq_epi8(pdiff, *k_0); 537ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Clamp absolute difference to 16 to be used to get mask. Doing this 547ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // allows us to use _mm_cmpgt_epi8, which operates on signed byte. 557ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i clamped_absdiff = 567ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian _mm_min_epu8(_mm_or_si128(pdiff, ndiff), *k_16); 577ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Get masks for l2 l1 and l0 adjustments. 587ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i mask2 = _mm_cmpgt_epi8(*k_16, clamped_absdiff); 597ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i mask1 = _mm_cmpgt_epi8(*k_8, clamped_absdiff); 607ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i mask0 = _mm_cmpgt_epi8(*k_4, clamped_absdiff); 617ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Get adjustments for l2, l1, and l0. 627ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian __m128i adj2 = _mm_and_si128(mask2, *l32); 637ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i adj1 = _mm_and_si128(mask1, *l21); 647ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i adj0 = _mm_and_si128(mask0, clamped_absdiff); 657bc9febe8749e98a3812a0dc4380ceae75c29450Johann __m128i adj, padj, nadj; 667ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 677ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Combine the adjustments and get absolute adjustments. 687ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian adj2 = _mm_add_epi8(adj2, adj1); 697ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian adj = _mm_sub_epi8(*l3, adj2); 707ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian adj = _mm_andnot_si128(mask0, adj); 717ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian adj = _mm_or_si128(adj, adj0); 727ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 737ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Restore the sign and get positive and negative adjustments. 747ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian padj = _mm_andnot_si128(diff_sign, adj); 757ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian nadj = _mm_and_si128(diff_sign, adj); 767ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 777ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Calculate filtered value. 787ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian v_running_avg_y = _mm_adds_epu8(v_sig, padj); 797ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian v_running_avg_y = _mm_subs_epu8(v_running_avg_y, nadj); 807ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian _mm_storeu_si128((__m128i *)running_avg_y, v_running_avg_y); 817ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 827ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Adjustments <=7, and each element in acc_diff can fit in signed 837ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // char. 847ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian acc_diff = _mm_adds_epi8(acc_diff, padj); 857ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian acc_diff = _mm_subs_epi8(acc_diff, nadj); 867ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian return acc_diff; 877ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian} 887ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 897ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian// Denoise a 16x1 vector with a weaker filter. 907ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanianstatic INLINE __m128i vp9_denoiser_adj_16x1_sse2( 917bc9febe8749e98a3812a0dc4380ceae75c29450Johann const uint8_t *sig, const uint8_t *mc_running_avg_y, uint8_t *running_avg_y, 927bc9febe8749e98a3812a0dc4380ceae75c29450Johann const __m128i k_0, const __m128i k_delta, __m128i acc_diff) { 937ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian __m128i v_running_avg_y = _mm_loadu_si128((__m128i *)(&running_avg_y[0])); 947ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Calculate differences. 957ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i v_sig = _mm_loadu_si128((const __m128i *)(&sig[0])); 967ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i v_mc_running_avg_y = 977ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian _mm_loadu_si128((const __m128i *)(&mc_running_avg_y[0])); 987ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i pdiff = _mm_subs_epu8(v_mc_running_avg_y, v_sig); 997ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i ndiff = _mm_subs_epu8(v_sig, v_mc_running_avg_y); 1007ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Obtain the sign. FF if diff is negative. 1017ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i diff_sign = _mm_cmpeq_epi8(pdiff, k_0); 1027ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Clamp absolute difference to delta to get the adjustment. 1037bc9febe8749e98a3812a0dc4380ceae75c29450Johann const __m128i adj = _mm_min_epu8(_mm_or_si128(pdiff, ndiff), k_delta); 1047ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Restore the sign and get positive and negative adjustments. 1057ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian __m128i padj, nadj; 1067ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian padj = _mm_andnot_si128(diff_sign, adj); 1077ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian nadj = _mm_and_si128(diff_sign, adj); 1087ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Calculate filtered value. 1097ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian v_running_avg_y = _mm_subs_epu8(v_running_avg_y, padj); 1107ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian v_running_avg_y = _mm_adds_epu8(v_running_avg_y, nadj); 1117ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian _mm_storeu_si128((__m128i *)running_avg_y, v_running_avg_y); 1127ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 1137ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Accumulate the adjustments. 1147ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian acc_diff = _mm_subs_epi8(acc_diff, padj); 1157ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian acc_diff = _mm_adds_epi8(acc_diff, nadj); 1167ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian return acc_diff; 1177ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian} 1187ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 11968e1c830ade592be74773e249bf94e2bbfb50de7Johann// Denoise 8x8 and 8x16 blocks. 1207bc9febe8749e98a3812a0dc4380ceae75c29450Johannstatic int vp9_denoiser_NxM_sse2_small(const uint8_t *sig, int sig_stride, 1217bc9febe8749e98a3812a0dc4380ceae75c29450Johann const uint8_t *mc_running_avg_y, 1227bc9febe8749e98a3812a0dc4380ceae75c29450Johann int mc_avg_y_stride, 1237bc9febe8749e98a3812a0dc4380ceae75c29450Johann uint8_t *running_avg_y, int avg_y_stride, 1247bc9febe8749e98a3812a0dc4380ceae75c29450Johann int increase_denoising, BLOCK_SIZE bs, 1257bc9febe8749e98a3812a0dc4380ceae75c29450Johann int motion_magnitude, int width) { 1267ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian int sum_diff_thresh, r, sum_diff = 0; 1277bc9febe8749e98a3812a0dc4380ceae75c29450Johann const int shift_inc = 1287bc9febe8749e98a3812a0dc4380ceae75c29450Johann (increase_denoising && motion_magnitude <= MOTION_MAGNITUDE_THRESHOLD) 1297bc9febe8749e98a3812a0dc4380ceae75c29450Johann ? 1 1307bc9febe8749e98a3812a0dc4380ceae75c29450Johann : 0; 1317ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian uint8_t sig_buffer[8][16], mc_running_buffer[8][16], running_buffer[8][16]; 1327ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian __m128i acc_diff = _mm_setzero_si128(); 1337ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i k_0 = _mm_setzero_si128(); 1347ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i k_4 = _mm_set1_epi8(4 + shift_inc); 1357ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i k_8 = _mm_set1_epi8(8); 1367ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i k_16 = _mm_set1_epi8(16); 1377ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Modify each level's adjustment according to motion_magnitude. 1387ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i l3 = _mm_set1_epi8( 1397ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian (motion_magnitude <= MOTION_MAGNITUDE_THRESHOLD) ? 7 + shift_inc : 6); 1407ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Difference between level 3 and level 2 is 2. 1417ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i l32 = _mm_set1_epi8(2); 1427ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Difference between level 2 and level 1 is 1. 1437ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i l21 = _mm_set1_epi8(1); 14468e1c830ade592be74773e249bf94e2bbfb50de7Johann const int b_height = (4 << b_height_log2_lookup[bs]) >> 1; 1457ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 14668e1c830ade592be74773e249bf94e2bbfb50de7Johann for (r = 0; r < b_height; ++r) { 1477ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian memcpy(sig_buffer[r], sig, width); 1487ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian memcpy(sig_buffer[r] + width, sig + sig_stride, width); 1497ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian memcpy(mc_running_buffer[r], mc_running_avg_y, width); 1507bc9febe8749e98a3812a0dc4380ceae75c29450Johann memcpy(mc_running_buffer[r] + width, mc_running_avg_y + mc_avg_y_stride, 1517bc9febe8749e98a3812a0dc4380ceae75c29450Johann width); 1527ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian memcpy(running_buffer[r], running_avg_y, width); 1537ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian memcpy(running_buffer[r] + width, running_avg_y + avg_y_stride, width); 1547bc9febe8749e98a3812a0dc4380ceae75c29450Johann acc_diff = vp9_denoiser_16x1_sse2(sig_buffer[r], mc_running_buffer[r], 1557bc9febe8749e98a3812a0dc4380ceae75c29450Johann running_buffer[r], &k_0, &k_4, &k_8, 1567bc9febe8749e98a3812a0dc4380ceae75c29450Johann &k_16, &l3, &l32, &l21, acc_diff); 1577ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian memcpy(running_avg_y, running_buffer[r], width); 1587ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian memcpy(running_avg_y + avg_y_stride, running_buffer[r] + width, width); 1597ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Update pointers for next iteration. 16068e1c830ade592be74773e249bf94e2bbfb50de7Johann sig += (sig_stride << 1); 16168e1c830ade592be74773e249bf94e2bbfb50de7Johann mc_running_avg_y += (mc_avg_y_stride << 1); 16268e1c830ade592be74773e249bf94e2bbfb50de7Johann running_avg_y += (avg_y_stride << 1); 1637ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 1647ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 1657ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian { 1667ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian sum_diff = sum_diff_16x1(acc_diff); 1677ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian sum_diff_thresh = total_adj_strong_thresh(bs, increase_denoising); 1687ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian if (abs(sum_diff) > sum_diff_thresh) { 1697ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Before returning to copy the block (i.e., apply no denoising), 1707ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // check if we can still apply some (weaker) temporal filtering to 1717ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // this block, that would otherwise not be denoised at all. Simplest 1727ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // is to apply an additional adjustment to running_avg_y to bring it 1737ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // closer to sig. The adjustment is capped by a maximum delta, and 1747ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // chosen such that in most cases the resulting sum_diff will be 1757ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // within the acceptable range given by sum_diff_thresh. 1767ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 1777ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // The delta is set by the excess of absolute pixel diff over the 1787ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // threshold. 1797bc9febe8749e98a3812a0dc4380ceae75c29450Johann const int delta = 1807bc9febe8749e98a3812a0dc4380ceae75c29450Johann ((abs(sum_diff) - sum_diff_thresh) >> num_pels_log2_lookup[bs]) + 1; 1817ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Only apply the adjustment for max delta up to 3. 1827ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian if (delta < 4) { 1837ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i k_delta = _mm_set1_epi8(delta); 18468e1c830ade592be74773e249bf94e2bbfb50de7Johann running_avg_y -= avg_y_stride * (b_height << 1); 18568e1c830ade592be74773e249bf94e2bbfb50de7Johann for (r = 0; r < b_height; ++r) { 1867ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian acc_diff = vp9_denoiser_adj_16x1_sse2( 1877bc9febe8749e98a3812a0dc4380ceae75c29450Johann sig_buffer[r], mc_running_buffer[r], running_buffer[r], k_0, 1887bc9febe8749e98a3812a0dc4380ceae75c29450Johann k_delta, acc_diff); 1897ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian memcpy(running_avg_y, running_buffer[r], width); 1907bc9febe8749e98a3812a0dc4380ceae75c29450Johann memcpy(running_avg_y + avg_y_stride, running_buffer[r] + width, 1917bc9febe8749e98a3812a0dc4380ceae75c29450Johann width); 1927ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Update pointers for next iteration. 19368e1c830ade592be74773e249bf94e2bbfb50de7Johann running_avg_y += (avg_y_stride << 1); 1947ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 1957ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian sum_diff = sum_diff_16x1(acc_diff); 1967ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian if (abs(sum_diff) > sum_diff_thresh) { 1977ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian return COPY_BLOCK; 1987ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 1997ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } else { 2007ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian return COPY_BLOCK; 2017ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2027ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2037ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2047ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian return FILTER_BLOCK; 2057ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian} 2067ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 20768e1c830ade592be74773e249bf94e2bbfb50de7Johann// Denoise 16x16, 16x32, 32x16, 32x32, 32x64, 64x32 and 64x64 blocks. 2087ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanianstatic int vp9_denoiser_NxM_sse2_big(const uint8_t *sig, int sig_stride, 2097ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const uint8_t *mc_running_avg_y, 2107ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian int mc_avg_y_stride, 2117bc9febe8749e98a3812a0dc4380ceae75c29450Johann uint8_t *running_avg_y, int avg_y_stride, 2127ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian int increase_denoising, BLOCK_SIZE bs, 2137ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian int motion_magnitude) { 2147ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian int sum_diff_thresh, r, c, sum_diff = 0; 2157bc9febe8749e98a3812a0dc4380ceae75c29450Johann const int shift_inc = 2167bc9febe8749e98a3812a0dc4380ceae75c29450Johann (increase_denoising && motion_magnitude <= MOTION_MAGNITUDE_THRESHOLD) 2177bc9febe8749e98a3812a0dc4380ceae75c29450Johann ? 1 2187bc9febe8749e98a3812a0dc4380ceae75c29450Johann : 0; 2197ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian __m128i acc_diff[4][4]; 2207ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i k_0 = _mm_setzero_si128(); 2217ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i k_4 = _mm_set1_epi8(4 + shift_inc); 2227ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i k_8 = _mm_set1_epi8(8); 2237ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i k_16 = _mm_set1_epi8(16); 2247ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Modify each level's adjustment according to motion_magnitude. 2257ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i l3 = _mm_set1_epi8( 2267ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian (motion_magnitude <= MOTION_MAGNITUDE_THRESHOLD) ? 7 + shift_inc : 6); 2277ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Difference between level 3 and level 2 is 2. 2287ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i l32 = _mm_set1_epi8(2); 2297ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Difference between level 2 and level 1 is 1. 2307ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i l21 = _mm_set1_epi8(1); 23168e1c830ade592be74773e249bf94e2bbfb50de7Johann const int b_width = (4 << b_width_log2_lookup[bs]); 23268e1c830ade592be74773e249bf94e2bbfb50de7Johann const int b_height = (4 << b_height_log2_lookup[bs]); 23368e1c830ade592be74773e249bf94e2bbfb50de7Johann const int b_width_shift4 = b_width >> 4; 2347ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 23568e1c830ade592be74773e249bf94e2bbfb50de7Johann for (r = 0; r < 4; ++r) { 23668e1c830ade592be74773e249bf94e2bbfb50de7Johann for (c = 0; c < b_width_shift4; ++c) { 2377ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian acc_diff[c][r] = _mm_setzero_si128(); 2387ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2397ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2407ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 24168e1c830ade592be74773e249bf94e2bbfb50de7Johann for (r = 0; r < b_height; ++r) { 24268e1c830ade592be74773e249bf94e2bbfb50de7Johann for (c = 0; c < b_width_shift4; ++c) { 2437bc9febe8749e98a3812a0dc4380ceae75c29450Johann acc_diff[c][r >> 4] = vp9_denoiser_16x1_sse2( 2447bc9febe8749e98a3812a0dc4380ceae75c29450Johann sig, mc_running_avg_y, running_avg_y, &k_0, &k_4, &k_8, &k_16, &l3, 2457bc9febe8749e98a3812a0dc4380ceae75c29450Johann &l32, &l21, acc_diff[c][r >> 4]); 2467ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Update pointers for next iteration. 2477ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian sig += 16; 2487ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian mc_running_avg_y += 16; 2497ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian running_avg_y += 16; 2507ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2517ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 25268e1c830ade592be74773e249bf94e2bbfb50de7Johann if ((r & 0xf) == 0xf || (bs == BLOCK_16X8 && r == 7)) { 25368e1c830ade592be74773e249bf94e2bbfb50de7Johann for (c = 0; c < b_width_shift4; ++c) { 2547bc9febe8749e98a3812a0dc4380ceae75c29450Johann sum_diff += sum_diff_16x1(acc_diff[c][r >> 4]); 2557ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2567ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2577ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 2587ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Update pointers for next iteration. 25968e1c830ade592be74773e249bf94e2bbfb50de7Johann sig = sig - b_width + sig_stride; 26068e1c830ade592be74773e249bf94e2bbfb50de7Johann mc_running_avg_y = mc_running_avg_y - b_width + mc_avg_y_stride; 26168e1c830ade592be74773e249bf94e2bbfb50de7Johann running_avg_y = running_avg_y - b_width + avg_y_stride; 2627ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2637ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 2647ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian { 2657ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian sum_diff_thresh = total_adj_strong_thresh(bs, increase_denoising); 2667ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian if (abs(sum_diff) > sum_diff_thresh) { 2677bc9febe8749e98a3812a0dc4380ceae75c29450Johann const int delta = 2687bc9febe8749e98a3812a0dc4380ceae75c29450Johann ((abs(sum_diff) - sum_diff_thresh) >> num_pels_log2_lookup[bs]) + 1; 2697ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 2707ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Only apply the adjustment for max delta up to 3. 2717ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian if (delta < 4) { 2727ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian const __m128i k_delta = _mm_set1_epi8(delta); 27368e1c830ade592be74773e249bf94e2bbfb50de7Johann sig -= sig_stride * b_height; 27468e1c830ade592be74773e249bf94e2bbfb50de7Johann mc_running_avg_y -= mc_avg_y_stride * b_height; 27568e1c830ade592be74773e249bf94e2bbfb50de7Johann running_avg_y -= avg_y_stride * b_height; 2767ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian sum_diff = 0; 27768e1c830ade592be74773e249bf94e2bbfb50de7Johann for (r = 0; r < b_height; ++r) { 27868e1c830ade592be74773e249bf94e2bbfb50de7Johann for (c = 0; c < b_width_shift4; ++c) { 2797bc9febe8749e98a3812a0dc4380ceae75c29450Johann acc_diff[c][r >> 4] = 2807bc9febe8749e98a3812a0dc4380ceae75c29450Johann vp9_denoiser_adj_16x1_sse2(sig, mc_running_avg_y, running_avg_y, 2817bc9febe8749e98a3812a0dc4380ceae75c29450Johann k_0, k_delta, acc_diff[c][r >> 4]); 2827ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian // Update pointers for next iteration. 2837ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian sig += 16; 2847ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian mc_running_avg_y += 16; 2857ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian running_avg_y += 16; 2867ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2877ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 28868e1c830ade592be74773e249bf94e2bbfb50de7Johann if ((r & 0xf) == 0xf || (bs == BLOCK_16X8 && r == 7)) { 28968e1c830ade592be74773e249bf94e2bbfb50de7Johann for (c = 0; c < b_width_shift4; ++c) { 2907bc9febe8749e98a3812a0dc4380ceae75c29450Johann sum_diff += sum_diff_16x1(acc_diff[c][r >> 4]); 2917ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2927ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 29368e1c830ade592be74773e249bf94e2bbfb50de7Johann sig = sig - b_width + sig_stride; 29468e1c830ade592be74773e249bf94e2bbfb50de7Johann mc_running_avg_y = mc_running_avg_y - b_width + mc_avg_y_stride; 29568e1c830ade592be74773e249bf94e2bbfb50de7Johann running_avg_y = running_avg_y - b_width + avg_y_stride; 2967ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 2977ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian if (abs(sum_diff) > sum_diff_thresh) { 2987ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian return COPY_BLOCK; 2997ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 3007ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } else { 3017ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian return COPY_BLOCK; 3027ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 3037ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 3047ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 3057ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian return FILTER_BLOCK; 3067ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian} 3077ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian 3087ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanianint vp9_denoiser_filter_sse2(const uint8_t *sig, int sig_stride, 3097bc9febe8749e98a3812a0dc4380ceae75c29450Johann const uint8_t *mc_avg, int mc_avg_stride, 3107ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian uint8_t *avg, int avg_stride, 3117bc9febe8749e98a3812a0dc4380ceae75c29450Johann int increase_denoising, BLOCK_SIZE bs, 3127ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian int motion_magnitude) { 31368e1c830ade592be74773e249bf94e2bbfb50de7Johann // Rank by frequency of the block type to have an early termination. 31468e1c830ade592be74773e249bf94e2bbfb50de7Johann if (bs == BLOCK_16X16 || bs == BLOCK_32X32 || bs == BLOCK_64X64 || 31568e1c830ade592be74773e249bf94e2bbfb50de7Johann bs == BLOCK_16X32 || bs == BLOCK_16X8 || bs == BLOCK_32X16 || 31668e1c830ade592be74773e249bf94e2bbfb50de7Johann bs == BLOCK_32X64 || bs == BLOCK_64X32) { 3177bc9febe8749e98a3812a0dc4380ceae75c29450Johann return vp9_denoiser_NxM_sse2_big(sig, sig_stride, mc_avg, mc_avg_stride, 3187bc9febe8749e98a3812a0dc4380ceae75c29450Johann avg, avg_stride, increase_denoising, bs, 3197bc9febe8749e98a3812a0dc4380ceae75c29450Johann motion_magnitude); 32068e1c830ade592be74773e249bf94e2bbfb50de7Johann } else if (bs == BLOCK_8X8 || bs == BLOCK_8X16) { 3217bc9febe8749e98a3812a0dc4380ceae75c29450Johann return vp9_denoiser_NxM_sse2_small(sig, sig_stride, mc_avg, mc_avg_stride, 3227bc9febe8749e98a3812a0dc4380ceae75c29450Johann avg, avg_stride, increase_denoising, bs, 3237bc9febe8749e98a3812a0dc4380ceae75c29450Johann motion_magnitude, 8); 3247ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } else { 3257ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian return COPY_BLOCK; 3267ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian } 3277ce0a1d1337c01056ba24006efab21f00e179e04Vignesh Venkatasubramanian} 328