1233d2500723e5594f3e7c70896ffeeef32b9c950ywan/* 2233d2500723e5594f3e7c70896ffeeef32b9c950ywan * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3233d2500723e5594f3e7c70896ffeeef32b9c950ywan * 4233d2500723e5594f3e7c70896ffeeef32b9c950ywan * Use of this source code is governed by a BSD-style license 5233d2500723e5594f3e7c70896ffeeef32b9c950ywan * that can be found in the LICENSE file in the root of the source 6233d2500723e5594f3e7c70896ffeeef32b9c950ywan * tree. An additional intellectual property rights grant can be found 7233d2500723e5594f3e7c70896ffeeef32b9c950ywan * in the file PATENTS. All contributing project authors may 8233d2500723e5594f3e7c70896ffeeef32b9c950ywan * be found in the AUTHORS file in the root of the source tree. 9233d2500723e5594f3e7c70896ffeeef32b9c950ywan */ 10233d2500723e5594f3e7c70896ffeeef32b9c950ywan 11233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include <math.h> 12233d2500723e5594f3e7c70896ffeeef32b9c950ywan 13233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vpx_mem/vpx_mem.h" 14233d2500723e5594f3e7c70896ffeeef32b9c950ywan 15233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vp9/common/vp9_quant_common.h" 16233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vp9/common/vp9_seg_common.h" 17233d2500723e5594f3e7c70896ffeeef32b9c950ywan 18233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vp9/encoder/vp9_onyx_int.h" 19233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vp9/encoder/vp9_quantize.h" 20233d2500723e5594f3e7c70896ffeeef32b9c950ywan#include "vp9/encoder/vp9_rdopt.h" 21233d2500723e5594f3e7c70896ffeeef32b9c950ywan 22233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_quantize_b_c(const int16_t *coeff_ptr, intptr_t count, 23233d2500723e5594f3e7c70896ffeeef32b9c950ywan int skip_block, 24233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int16_t *zbin_ptr, const int16_t *round_ptr, 25233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int16_t *quant_ptr, const int16_t *quant_shift_ptr, 26233d2500723e5594f3e7c70896ffeeef32b9c950ywan int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr, 27233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int16_t *dequant_ptr, 28233d2500723e5594f3e7c70896ffeeef32b9c950ywan int zbin_oq_value, uint16_t *eob_ptr, 29233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int16_t *scan, const int16_t *iscan) { 30233d2500723e5594f3e7c70896ffeeef32b9c950ywan int i, non_zero_count = (int)count, eob = -1; 31233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int zbins[2] = { zbin_ptr[0] + zbin_oq_value, 32233d2500723e5594f3e7c70896ffeeef32b9c950ywan zbin_ptr[1] + zbin_oq_value }; 33233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int nzbins[2] = { zbins[0] * -1, 34233d2500723e5594f3e7c70896ffeeef32b9c950ywan zbins[1] * -1 }; 35233d2500723e5594f3e7c70896ffeeef32b9c950ywan 36233d2500723e5594f3e7c70896ffeeef32b9c950ywan vpx_memset(qcoeff_ptr, 0, count * sizeof(int16_t)); 37233d2500723e5594f3e7c70896ffeeef32b9c950ywan vpx_memset(dqcoeff_ptr, 0, count * sizeof(int16_t)); 38233d2500723e5594f3e7c70896ffeeef32b9c950ywan 39233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (!skip_block) { 40233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Pre-scan pass 41233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = (int)count - 1; i >= 0; i--) { 42233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int rc = scan[i]; 43233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int coeff = coeff_ptr[rc]; 44233d2500723e5594f3e7c70896ffeeef32b9c950ywan 45233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (coeff < zbins[rc != 0] && coeff > nzbins[rc != 0]) 46233d2500723e5594f3e7c70896ffeeef32b9c950ywan non_zero_count--; 47233d2500723e5594f3e7c70896ffeeef32b9c950ywan else 48233d2500723e5594f3e7c70896ffeeef32b9c950ywan break; 49233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 50233d2500723e5594f3e7c70896ffeeef32b9c950ywan 51233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Quantization pass: All coefficients with index >= zero_flag are 52233d2500723e5594f3e7c70896ffeeef32b9c950ywan // skippable. Note: zero_flag can be zero. 53233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < non_zero_count; i++) { 54233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int rc = scan[i]; 55233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int coeff = coeff_ptr[rc]; 56233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int coeff_sign = (coeff >> 31); 57233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; 58233d2500723e5594f3e7c70896ffeeef32b9c950ywan 59233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (abs_coeff >= zbins[rc != 0]) { 60233d2500723e5594f3e7c70896ffeeef32b9c950ywan int tmp = clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX); 61233d2500723e5594f3e7c70896ffeeef32b9c950ywan tmp = ((((tmp * quant_ptr[rc != 0]) >> 16) + tmp) * 62233d2500723e5594f3e7c70896ffeeef32b9c950ywan quant_shift_ptr[rc != 0]) >> 16; // quantization 63233d2500723e5594f3e7c70896ffeeef32b9c950ywan qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign; 64233d2500723e5594f3e7c70896ffeeef32b9c950ywan dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0]; 65233d2500723e5594f3e7c70896ffeeef32b9c950ywan 66233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (tmp) 67233d2500723e5594f3e7c70896ffeeef32b9c950ywan eob = i; 68233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 69233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 70233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 71233d2500723e5594f3e7c70896ffeeef32b9c950ywan *eob_ptr = eob + 1; 72233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 73233d2500723e5594f3e7c70896ffeeef32b9c950ywan 74233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_quantize_b_32x32_c(const int16_t *coeff_ptr, intptr_t n_coeffs, 75233d2500723e5594f3e7c70896ffeeef32b9c950ywan int skip_block, 76233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int16_t *zbin_ptr, const int16_t *round_ptr, 77233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int16_t *quant_ptr, 78233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int16_t *quant_shift_ptr, 79233d2500723e5594f3e7c70896ffeeef32b9c950ywan int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr, 80233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int16_t *dequant_ptr, 81233d2500723e5594f3e7c70896ffeeef32b9c950ywan int zbin_oq_value, uint16_t *eob_ptr, 82233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int16_t *scan, const int16_t *iscan) { 83233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0] + zbin_oq_value, 1), 84233d2500723e5594f3e7c70896ffeeef32b9c950ywan ROUND_POWER_OF_TWO(zbin_ptr[1] + zbin_oq_value, 1) }; 85233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int nzbins[2] = {zbins[0] * -1, zbins[1] * -1}; 86233d2500723e5594f3e7c70896ffeeef32b9c950ywan 87233d2500723e5594f3e7c70896ffeeef32b9c950ywan int idx = 0; 88233d2500723e5594f3e7c70896ffeeef32b9c950ywan int idx_arr[1024]; 89233d2500723e5594f3e7c70896ffeeef32b9c950ywan int i, eob = -1; 90233d2500723e5594f3e7c70896ffeeef32b9c950ywan 91233d2500723e5594f3e7c70896ffeeef32b9c950ywan vpx_memset(qcoeff_ptr, 0, n_coeffs * sizeof(int16_t)); 92233d2500723e5594f3e7c70896ffeeef32b9c950ywan vpx_memset(dqcoeff_ptr, 0, n_coeffs * sizeof(int16_t)); 93233d2500723e5594f3e7c70896ffeeef32b9c950ywan 94233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (!skip_block) { 95233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Pre-scan pass 96233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < n_coeffs; i++) { 97233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int rc = scan[i]; 98233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int coeff = coeff_ptr[rc]; 99233d2500723e5594f3e7c70896ffeeef32b9c950ywan 100233d2500723e5594f3e7c70896ffeeef32b9c950ywan // If the coefficient is out of the base ZBIN range, keep it for 101233d2500723e5594f3e7c70896ffeeef32b9c950ywan // quantization. 102233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (coeff >= zbins[rc != 0] || coeff <= nzbins[rc != 0]) 103233d2500723e5594f3e7c70896ffeeef32b9c950ywan idx_arr[idx++] = i; 104233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 105233d2500723e5594f3e7c70896ffeeef32b9c950ywan 106233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Quantization pass: only process the coefficients selected in 107233d2500723e5594f3e7c70896ffeeef32b9c950ywan // pre-scan pass. Note: idx can be zero. 108233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < idx; i++) { 109233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int rc = scan[idx_arr[i]]; 110233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int coeff = coeff_ptr[rc]; 111233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int coeff_sign = (coeff >> 31); 112233d2500723e5594f3e7c70896ffeeef32b9c950ywan int tmp; 113233d2500723e5594f3e7c70896ffeeef32b9c950ywan int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; 114233d2500723e5594f3e7c70896ffeeef32b9c950ywan abs_coeff += ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1); 115233d2500723e5594f3e7c70896ffeeef32b9c950ywan abs_coeff = clamp(abs_coeff, INT16_MIN, INT16_MAX); 116233d2500723e5594f3e7c70896ffeeef32b9c950ywan tmp = ((((abs_coeff * quant_ptr[rc != 0]) >> 16) + abs_coeff) * 117233d2500723e5594f3e7c70896ffeeef32b9c950ywan quant_shift_ptr[rc != 0]) >> 15; 118233d2500723e5594f3e7c70896ffeeef32b9c950ywan 119233d2500723e5594f3e7c70896ffeeef32b9c950ywan qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign; 120233d2500723e5594f3e7c70896ffeeef32b9c950ywan dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / 2; 121233d2500723e5594f3e7c70896ffeeef32b9c950ywan 122233d2500723e5594f3e7c70896ffeeef32b9c950ywan if (tmp) 123233d2500723e5594f3e7c70896ffeeef32b9c950ywan eob = idx_arr[i]; 124233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 125233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 126233d2500723e5594f3e7c70896ffeeef32b9c950ywan *eob_ptr = eob + 1; 127233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 128233d2500723e5594f3e7c70896ffeeef32b9c950ywan 129233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_regular_quantize_b_4x4(MACROBLOCK *x, int plane, int block, 130233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int16_t *scan, const int16_t *iscan) { 131233d2500723e5594f3e7c70896ffeeef32b9c950ywan MACROBLOCKD *const xd = &x->e_mbd; 132233d2500723e5594f3e7c70896ffeeef32b9c950ywan struct macroblock_plane *p = &x->plane[plane]; 133233d2500723e5594f3e7c70896ffeeef32b9c950ywan struct macroblockd_plane *pd = &xd->plane[plane]; 134233d2500723e5594f3e7c70896ffeeef32b9c950ywan 135233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_quantize_b(BLOCK_OFFSET(p->coeff, block), 136233d2500723e5594f3e7c70896ffeeef32b9c950ywan 16, x->skip_block, 137233d2500723e5594f3e7c70896ffeeef32b9c950ywan p->zbin, p->round, p->quant, p->quant_shift, 138233d2500723e5594f3e7c70896ffeeef32b9c950ywan BLOCK_OFFSET(p->qcoeff, block), 139233d2500723e5594f3e7c70896ffeeef32b9c950ywan BLOCK_OFFSET(pd->dqcoeff, block), 140233d2500723e5594f3e7c70896ffeeef32b9c950ywan pd->dequant, p->zbin_extra, &p->eobs[block], scan, iscan); 141233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 142233d2500723e5594f3e7c70896ffeeef32b9c950ywan 143233d2500723e5594f3e7c70896ffeeef32b9c950ywanstatic void invert_quant(int16_t *quant, int16_t *shift, int d) { 144233d2500723e5594f3e7c70896ffeeef32b9c950ywan unsigned t; 145233d2500723e5594f3e7c70896ffeeef32b9c950ywan int l; 146233d2500723e5594f3e7c70896ffeeef32b9c950ywan t = d; 147233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (l = 0; t > 1; l++) 148233d2500723e5594f3e7c70896ffeeef32b9c950ywan t >>= 1; 149233d2500723e5594f3e7c70896ffeeef32b9c950ywan t = 1 + (1 << (16 + l)) / d; 150233d2500723e5594f3e7c70896ffeeef32b9c950ywan *quant = (int16_t)(t - (1 << 16)); 151233d2500723e5594f3e7c70896ffeeef32b9c950ywan *shift = 1 << (16 - l); 152233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 153233d2500723e5594f3e7c70896ffeeef32b9c950ywan 154233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_init_quantizer(VP9_COMP *cpi) { 155233d2500723e5594f3e7c70896ffeeef32b9c950ywan VP9_COMMON *const cm = &cpi->common; 156233d2500723e5594f3e7c70896ffeeef32b9c950ywan QUANTS *const quants = &cpi->quants; 157233d2500723e5594f3e7c70896ffeeef32b9c950ywan int i, q, quant; 158233d2500723e5594f3e7c70896ffeeef32b9c950ywan 159233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (q = 0; q < QINDEX_RANGE; q++) { 160233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int qzbin_factor = q == 0 ? 64 : (vp9_dc_quant(q, 0) < 148 ? 84 : 80); 161233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int qrounding_factor = q == 0 ? 64 : 48; 162233d2500723e5594f3e7c70896ffeeef32b9c950ywan 163233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 0; i < 2; ++i) { 164233d2500723e5594f3e7c70896ffeeef32b9c950ywan // y 165233d2500723e5594f3e7c70896ffeeef32b9c950ywan quant = i == 0 ? vp9_dc_quant(q, cm->y_dc_delta_q) 166233d2500723e5594f3e7c70896ffeeef32b9c950ywan : vp9_ac_quant(q, 0); 167233d2500723e5594f3e7c70896ffeeef32b9c950ywan invert_quant(&quants->y_quant[q][i], &quants->y_quant_shift[q][i], quant); 168233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->y_zbin[q][i] = ROUND_POWER_OF_TWO(qzbin_factor * quant, 7); 169233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->y_round[q][i] = (qrounding_factor * quant) >> 7; 170233d2500723e5594f3e7c70896ffeeef32b9c950ywan cm->y_dequant[q][i] = quant; 171233d2500723e5594f3e7c70896ffeeef32b9c950ywan 172233d2500723e5594f3e7c70896ffeeef32b9c950ywan // uv 173233d2500723e5594f3e7c70896ffeeef32b9c950ywan quant = i == 0 ? vp9_dc_quant(q, cm->uv_dc_delta_q) 174233d2500723e5594f3e7c70896ffeeef32b9c950ywan : vp9_ac_quant(q, cm->uv_ac_delta_q); 175233d2500723e5594f3e7c70896ffeeef32b9c950ywan invert_quant(&quants->uv_quant[q][i], 176233d2500723e5594f3e7c70896ffeeef32b9c950ywan &quants->uv_quant_shift[q][i], quant); 177233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->uv_zbin[q][i] = ROUND_POWER_OF_TWO(qzbin_factor * quant, 7); 178233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->uv_round[q][i] = (qrounding_factor * quant) >> 7; 179233d2500723e5594f3e7c70896ffeeef32b9c950ywan cm->uv_dequant[q][i] = quant; 180233d2500723e5594f3e7c70896ffeeef32b9c950ywan 181233d2500723e5594f3e7c70896ffeeef32b9c950ywan#if CONFIG_ALPHA 182233d2500723e5594f3e7c70896ffeeef32b9c950ywan // alpha 183233d2500723e5594f3e7c70896ffeeef32b9c950ywan quant = i == 0 ? vp9_dc_quant(q, cm->a_dc_delta_q) 184233d2500723e5594f3e7c70896ffeeef32b9c950ywan : vp9_ac_quant(q, cm->a_ac_delta_q); 185233d2500723e5594f3e7c70896ffeeef32b9c950ywan invert_quant(&quants->a_quant[q][i], &quants->a_quant_shift[q][i], quant); 186233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->a_zbin[q][i] = ROUND_POWER_OF_TWO(qzbin_factor * quant, 7); 187233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->a_round[q][i] = (qrounding_factor * quant) >> 7; 188233d2500723e5594f3e7c70896ffeeef32b9c950ywan cm->a_dequant[q][i] = quant; 189233d2500723e5594f3e7c70896ffeeef32b9c950ywan#endif 190233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 191233d2500723e5594f3e7c70896ffeeef32b9c950ywan 192233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 2; i < 8; i++) { 193233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->y_quant[q][i] = quants->y_quant[q][1]; 194233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->y_quant_shift[q][i] = quants->y_quant_shift[q][1]; 195233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->y_zbin[q][i] = quants->y_zbin[q][1]; 196233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->y_round[q][i] = quants->y_round[q][1]; 197233d2500723e5594f3e7c70896ffeeef32b9c950ywan cm->y_dequant[q][i] = cm->y_dequant[q][1]; 198233d2500723e5594f3e7c70896ffeeef32b9c950ywan 199233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->uv_quant[q][i] = quants->uv_quant[q][1]; 200233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->uv_quant_shift[q][i] = quants->uv_quant_shift[q][1]; 201233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->uv_zbin[q][i] = quants->uv_zbin[q][1]; 202233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->uv_round[q][i] = quants->uv_round[q][1]; 203233d2500723e5594f3e7c70896ffeeef32b9c950ywan cm->uv_dequant[q][i] = cm->uv_dequant[q][1]; 204233d2500723e5594f3e7c70896ffeeef32b9c950ywan 205233d2500723e5594f3e7c70896ffeeef32b9c950ywan#if CONFIG_ALPHA 206233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->a_quant[q][i] = quants->a_quant[q][1]; 207233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->a_quant_shift[q][i] = quants->a_quant_shift[q][1]; 208233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->a_zbin[q][i] = quants->a_zbin[q][1]; 209233d2500723e5594f3e7c70896ffeeef32b9c950ywan quants->a_round[q][i] = quants->a_round[q][1]; 210233d2500723e5594f3e7c70896ffeeef32b9c950ywan cm->a_dequant[q][i] = cm->a_dequant[q][1]; 211233d2500723e5594f3e7c70896ffeeef32b9c950ywan#endif 212233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 213233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 214233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 215233d2500723e5594f3e7c70896ffeeef32b9c950ywan 216233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_init_plane_quantizers(VP9_COMP *cpi, MACROBLOCK *x) { 217233d2500723e5594f3e7c70896ffeeef32b9c950ywan const VP9_COMMON *const cm = &cpi->common; 218233d2500723e5594f3e7c70896ffeeef32b9c950ywan MACROBLOCKD *const xd = &x->e_mbd; 219233d2500723e5594f3e7c70896ffeeef32b9c950ywan QUANTS *const quants = &cpi->quants; 220233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int segment_id = xd->mi[0]->mbmi.segment_id; 221233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int qindex = vp9_get_qindex(&cm->seg, segment_id, cm->base_qindex); 222233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int rdmult = vp9_compute_rd_mult(cpi, qindex + cm->y_dc_delta_q); 223233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int zbin = cpi->zbin_mode_boost + x->act_zbin_adj; 224233d2500723e5594f3e7c70896ffeeef32b9c950ywan int i; 225233d2500723e5594f3e7c70896ffeeef32b9c950ywan 226233d2500723e5594f3e7c70896ffeeef32b9c950ywan // Y 227233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[0].quant = quants->y_quant[qindex]; 228233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[0].quant_shift = quants->y_quant_shift[qindex]; 229233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[0].zbin = quants->y_zbin[qindex]; 230233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[0].round = quants->y_round[qindex]; 231233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[0].zbin_extra = (int16_t)((cm->y_dequant[qindex][1] * zbin) >> 7); 232233d2500723e5594f3e7c70896ffeeef32b9c950ywan xd->plane[0].dequant = cm->y_dequant[qindex]; 233233d2500723e5594f3e7c70896ffeeef32b9c950ywan 234233d2500723e5594f3e7c70896ffeeef32b9c950ywan // UV 235233d2500723e5594f3e7c70896ffeeef32b9c950ywan for (i = 1; i < 3; i++) { 236233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[i].quant = quants->uv_quant[qindex]; 237233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[i].quant_shift = quants->uv_quant_shift[qindex]; 238233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[i].zbin = quants->uv_zbin[qindex]; 239233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[i].round = quants->uv_round[qindex]; 240233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[i].zbin_extra = (int16_t)((cm->uv_dequant[qindex][1] * zbin) >> 7); 241233d2500723e5594f3e7c70896ffeeef32b9c950ywan xd->plane[i].dequant = cm->uv_dequant[qindex]; 242233d2500723e5594f3e7c70896ffeeef32b9c950ywan } 243233d2500723e5594f3e7c70896ffeeef32b9c950ywan 244233d2500723e5594f3e7c70896ffeeef32b9c950ywan#if CONFIG_ALPHA 245233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[3].quant = cpi->a_quant[qindex]; 246233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[3].quant_shift = cpi->a_quant_shift[qindex]; 247233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[3].zbin = cpi->a_zbin[qindex]; 248233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[3].round = cpi->a_round[qindex]; 249233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[3].zbin_extra = (int16_t)((cm->a_dequant[qindex][1] * zbin) >> 7); 250233d2500723e5594f3e7c70896ffeeef32b9c950ywan xd->plane[3].dequant = cm->a_dequant[qindex]; 251233d2500723e5594f3e7c70896ffeeef32b9c950ywan#endif 252233d2500723e5594f3e7c70896ffeeef32b9c950ywan 253233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->skip_block = vp9_segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP); 254233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->q_index = qindex; 255233d2500723e5594f3e7c70896ffeeef32b9c950ywan 256233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->errorperbit = rdmult >> 6; 257233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->errorperbit += (x->errorperbit == 0); 258233d2500723e5594f3e7c70896ffeeef32b9c950ywan 259233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_initialize_me_consts(cpi, x->q_index); 260233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 261233d2500723e5594f3e7c70896ffeeef32b9c950ywan 262233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_update_zbin_extra(VP9_COMP *cpi, MACROBLOCK *x) { 263233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int qindex = x->q_index; 264233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int y_zbin_extra = (cpi->common.y_dequant[qindex][1] * 265233d2500723e5594f3e7c70896ffeeef32b9c950ywan (cpi->zbin_mode_boost + x->act_zbin_adj)) >> 7; 266233d2500723e5594f3e7c70896ffeeef32b9c950ywan const int uv_zbin_extra = (cpi->common.uv_dequant[qindex][1] * 267233d2500723e5594f3e7c70896ffeeef32b9c950ywan (cpi->zbin_mode_boost + x->act_zbin_adj)) >> 7; 268233d2500723e5594f3e7c70896ffeeef32b9c950ywan 269233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[0].zbin_extra = (int16_t)y_zbin_extra; 270233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[1].zbin_extra = (int16_t)uv_zbin_extra; 271233d2500723e5594f3e7c70896ffeeef32b9c950ywan x->plane[2].zbin_extra = (int16_t)uv_zbin_extra; 272233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 273233d2500723e5594f3e7c70896ffeeef32b9c950ywan 274233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_frame_init_quantizer(VP9_COMP *cpi) { 275233d2500723e5594f3e7c70896ffeeef32b9c950ywan cpi->zbin_mode_boost = 0; 276233d2500723e5594f3e7c70896ffeeef32b9c950ywan vp9_init_plane_quantizers(cpi, &cpi->mb); 277233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 278233d2500723e5594f3e7c70896ffeeef32b9c950ywan 279233d2500723e5594f3e7c70896ffeeef32b9c950ywanvoid vp9_set_quantizer(VP9_COMMON *cm, int q) { 280233d2500723e5594f3e7c70896ffeeef32b9c950ywan // quantizer has to be reinitialized with vp9_init_quantizer() if any 281233d2500723e5594f3e7c70896ffeeef32b9c950ywan // delta_q changes. 282233d2500723e5594f3e7c70896ffeeef32b9c950ywan cm->base_qindex = q; 283233d2500723e5594f3e7c70896ffeeef32b9c950ywan cm->y_dc_delta_q = 0; 284233d2500723e5594f3e7c70896ffeeef32b9c950ywan cm->uv_dc_delta_q = 0; 285233d2500723e5594f3e7c70896ffeeef32b9c950ywan cm->uv_ac_delta_q = 0; 286233d2500723e5594f3e7c70896ffeeef32b9c950ywan} 287