1340 lines
49 KiB
C
1340 lines
49 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <math.h>
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#include "./aom_dsp_rtcd.h"
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#include "aom_dsp/quantize.h"
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#include "aom_mem/aom_mem.h"
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#include "aom_ports/mem.h"
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#include "av1/common/quant_common.h"
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#include "av1/common/scan.h"
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#include "av1/common/seg_common.h"
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#include "av1/encoder/encoder.h"
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#include "av1/encoder/quantize.h"
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#include "av1/encoder/rd.h"
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#if CONFIG_NEW_QUANT
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static INLINE int quantize_coeff_nuq(
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const tran_low_t coeffv, const int16_t quant, const int16_t quant_shift,
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const int16_t dequant, const tran_low_t *cuml_bins_ptr,
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const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr,
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tran_low_t *dqcoeff_ptr) {
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const int coeff = coeffv;
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const int coeff_sign = (coeff >> 31);
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const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
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int i, q;
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int tmp = clamp(abs_coeff, INT16_MIN, INT16_MAX);
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for (i = 0; i < NUQ_KNOTS; i++) {
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if (tmp < cuml_bins_ptr[i]) {
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q = i;
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break;
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}
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}
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if (i == NUQ_KNOTS) {
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tmp -= cuml_bins_ptr[NUQ_KNOTS - 1];
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q = NUQ_KNOTS + (((((tmp * quant) >> 16) + tmp) * quant_shift) >> 16);
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}
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if (q) {
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*dqcoeff_ptr = av1_dequant_abscoeff_nuq(q, dequant, dequant_val);
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*qcoeff_ptr = (q ^ coeff_sign) - coeff_sign;
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*dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr;
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} else {
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*qcoeff_ptr = 0;
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*dqcoeff_ptr = 0;
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}
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return (q != 0);
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}
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static INLINE int quantize_coeff_bigtx_nuq(
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const tran_low_t coeffv, const int16_t quant, const int16_t quant_shift,
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const int16_t dequant, const tran_low_t *cuml_bins_ptr,
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const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr,
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tran_low_t *dqcoeff_ptr, int logsizeby32) {
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const int coeff = coeffv;
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const int coeff_sign = (coeff >> 31);
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const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
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int i, q;
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int tmp = clamp(abs_coeff, INT16_MIN, INT16_MAX);
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for (i = 0; i < NUQ_KNOTS; i++) {
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if (tmp < ROUND_POWER_OF_TWO(cuml_bins_ptr[i], 1 + logsizeby32)) {
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q = i;
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break;
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}
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}
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if (i == NUQ_KNOTS) {
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tmp -= ROUND_POWER_OF_TWO(cuml_bins_ptr[NUQ_KNOTS - 1], 1 + logsizeby32);
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q = NUQ_KNOTS +
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(((((tmp * quant) >> 16) + tmp) * quant_shift) >> (15 - logsizeby32));
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}
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if (q) {
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*dqcoeff_ptr = ROUND_POWER_OF_TWO(
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av1_dequant_abscoeff_nuq(q, dequant, dequant_val), 1 + logsizeby32);
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// *dqcoeff_ptr = av1_dequant_abscoeff_nuq(q, dequant, dequant_val) >>
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// (1 + logsizeby32);
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*qcoeff_ptr = (q ^ coeff_sign) - coeff_sign;
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*dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr;
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} else {
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*qcoeff_ptr = 0;
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*dqcoeff_ptr = 0;
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}
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return (q != 0);
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}
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static INLINE int quantize_coeff_fp_nuq(
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const tran_low_t coeffv, const int16_t quant, const int16_t dequant,
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const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val,
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tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr) {
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const int coeff = coeffv;
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const int coeff_sign = (coeff >> 31);
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const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
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int i, q;
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int tmp = clamp(abs_coeff, INT16_MIN, INT16_MAX);
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for (i = 0; i < NUQ_KNOTS; i++) {
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if (tmp < cuml_bins_ptr[i]) {
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q = i;
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break;
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}
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}
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if (i == NUQ_KNOTS) {
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q = NUQ_KNOTS +
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((((int64_t)tmp - cuml_bins_ptr[NUQ_KNOTS - 1]) * quant) >> 16);
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}
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if (q) {
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*dqcoeff_ptr = av1_dequant_abscoeff_nuq(q, dequant, dequant_val);
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*qcoeff_ptr = (q ^ coeff_sign) - coeff_sign;
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*dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr;
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} else {
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*qcoeff_ptr = 0;
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*dqcoeff_ptr = 0;
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}
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return (q != 0);
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}
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static INLINE int quantize_coeff_bigtx_fp_nuq(
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const tran_low_t coeffv, const int16_t quant, const int16_t dequant,
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const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val,
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tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, int logsizeby32) {
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const int coeff = coeffv;
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const int coeff_sign = (coeff >> 31);
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const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
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int i, q;
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int tmp = clamp(abs_coeff, INT16_MIN, INT16_MAX);
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for (i = 0; i < NUQ_KNOTS; i++) {
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if (tmp < ROUND_POWER_OF_TWO(cuml_bins_ptr[i], 1 + logsizeby32)) {
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q = i;
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break;
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}
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}
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if (i == NUQ_KNOTS) {
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q = NUQ_KNOTS +
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((((int64_t)tmp -
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ROUND_POWER_OF_TWO(cuml_bins_ptr[NUQ_KNOTS - 1], 1 + logsizeby32)) *
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quant) >>
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(15 - logsizeby32));
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}
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if (q) {
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*dqcoeff_ptr = ROUND_POWER_OF_TWO(
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av1_dequant_abscoeff_nuq(q, dequant, dequant_val), 1 + logsizeby32);
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// *dqcoeff_ptr = av1_dequant_abscoeff_nuq(q, dequant, dequant_val) >>
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// (1 + logsizeby32);
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*qcoeff_ptr = (q ^ coeff_sign) - coeff_sign;
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*dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr;
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} else {
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*qcoeff_ptr = 0;
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*dqcoeff_ptr = 0;
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}
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return (q != 0);
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}
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void quantize_dc_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t quant,
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const int16_t quant_shift, const int16_t dequant,
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const tran_low_t *cuml_bins_ptr,
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const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr,
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tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr) {
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int eob = -1;
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memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
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memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
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if (!skip_block) {
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const int rc = 0;
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if (quantize_coeff_nuq(coeff_ptr[rc], quant, quant_shift, dequant,
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cuml_bins_ptr, dequant_val, qcoeff_ptr, dqcoeff_ptr))
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eob = 0;
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}
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*eob_ptr = eob + 1;
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}
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void quantize_dc_fp_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t quant,
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const int16_t dequant, const tran_low_t *cuml_bins_ptr,
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const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr,
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tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr) {
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int eob = -1;
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memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
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memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
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if (!skip_block) {
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const int rc = 0;
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if (quantize_coeff_fp_nuq(coeff_ptr[rc], quant, dequant, cuml_bins_ptr,
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dequant_val, qcoeff_ptr, dqcoeff_ptr))
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eob = 0;
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}
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*eob_ptr = eob + 1;
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}
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void quantize_dc_32x32_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t quant,
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const int16_t quant_shift, const int16_t dequant,
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const tran_low_t *cuml_bins_ptr,
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const tran_low_t *dequant_val,
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tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
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uint16_t *eob_ptr) {
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int eob = -1;
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memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
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memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
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if (!skip_block) {
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const int rc = 0;
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if (quantize_coeff_bigtx_nuq(coeff_ptr[rc], quant, quant_shift, dequant,
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cuml_bins_ptr, dequant_val, qcoeff_ptr,
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dqcoeff_ptr, 0))
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eob = 0;
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}
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*eob_ptr = eob + 1;
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}
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void quantize_dc_32x32_fp_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t quant,
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const int16_t dequant,
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const tran_low_t *cuml_bins_ptr,
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const tran_low_t *dequant_val,
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tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
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uint16_t *eob_ptr) {
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int eob = -1;
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memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
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memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
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if (!skip_block) {
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const int rc = 0;
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if (quantize_coeff_bigtx_fp_nuq(coeff_ptr[rc], quant, dequant,
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cuml_bins_ptr, dequant_val, qcoeff_ptr,
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dqcoeff_ptr, 0))
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eob = 0;
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}
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*eob_ptr = eob + 1;
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}
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void quantize_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t *quant_ptr,
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const int16_t *quant_shift_ptr, const int16_t *dequant_ptr,
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const cuml_bins_type_nuq *cuml_bins_ptr,
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const dequant_val_type_nuq *dequant_val,
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tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
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uint16_t *eob_ptr, const int16_t *scan,
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const uint8_t *band) {
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int eob = -1;
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memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
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memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
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if (!skip_block) {
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int i;
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for (i = 0; i < n_coeffs; i++) {
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const int rc = scan[i];
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if (quantize_coeff_nuq(coeff_ptr[rc], quant_ptr[rc != 0],
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quant_shift_ptr[rc != 0], dequant_ptr[rc != 0],
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cuml_bins_ptr[band[i]], dequant_val[band[i]],
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&qcoeff_ptr[rc], &dqcoeff_ptr[rc]))
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eob = i;
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}
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}
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*eob_ptr = eob + 1;
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}
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void quantize_fp_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t *quant_ptr,
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const int16_t *dequant_ptr,
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const cuml_bins_type_nuq *cuml_bins_ptr,
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const dequant_val_type_nuq *dequant_val,
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tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
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uint16_t *eob_ptr, const int16_t *scan,
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const uint8_t *band) {
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int eob = -1;
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memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
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memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
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if (!skip_block) {
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int i;
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for (i = 0; i < n_coeffs; i++) {
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const int rc = scan[i];
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if (quantize_coeff_fp_nuq(coeff_ptr[rc], quant_ptr[rc != 0],
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dequant_ptr[rc != 0], cuml_bins_ptr[band[i]],
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dequant_val[band[i]], &qcoeff_ptr[rc],
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&dqcoeff_ptr[rc]))
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eob = i;
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}
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}
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*eob_ptr = eob + 1;
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}
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void quantize_32x32_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t *quant_ptr,
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const int16_t *quant_shift_ptr,
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const int16_t *dequant_ptr,
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const cuml_bins_type_nuq *cuml_bins_ptr,
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const dequant_val_type_nuq *dequant_val,
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tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
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uint16_t *eob_ptr, const int16_t *scan,
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const uint8_t *band) {
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int eob = -1;
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memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
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memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
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if (!skip_block) {
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int i;
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for (i = 0; i < n_coeffs; i++) {
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const int rc = scan[i];
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if (quantize_coeff_bigtx_nuq(
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coeff_ptr[rc], quant_ptr[rc != 0], quant_shift_ptr[rc != 0],
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dequant_ptr[rc != 0], cuml_bins_ptr[band[i]],
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dequant_val[band[i]], &qcoeff_ptr[rc], &dqcoeff_ptr[rc], 0))
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eob = i;
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}
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}
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*eob_ptr = eob + 1;
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}
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void quantize_32x32_fp_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t *quant_ptr,
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const int16_t *dequant_ptr,
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const cuml_bins_type_nuq *cuml_bins_ptr,
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const dequant_val_type_nuq *dequant_val,
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tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
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uint16_t *eob_ptr, const int16_t *scan,
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const uint8_t *band) {
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int eob = -1;
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memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
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memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
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if (!skip_block) {
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int i;
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for (i = 0; i < n_coeffs; i++) {
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const int rc = scan[i];
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if (quantize_coeff_bigtx_fp_nuq(
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coeff_ptr[rc], quant_ptr[rc != 0], dequant_ptr[rc != 0],
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cuml_bins_ptr[band[i]], dequant_val[band[i]], &qcoeff_ptr[rc],
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&dqcoeff_ptr[rc], 0))
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eob = i;
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}
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}
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*eob_ptr = eob + 1;
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}
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#endif // CONFIG_NEW_QUANT
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void av1_quantize_skip(intptr_t n_coeffs, tran_low_t *qcoeff_ptr,
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tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr) {
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memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
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memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
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*eob_ptr = 0;
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}
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void av1_quantize_fp_facade(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr,
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const MACROBLOCKD_PLANE *pd,
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tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr,
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const SCAN_ORDER *sc, const QUANT_PARAM *qparam
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#if CONFIG_AOM_QM
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,
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const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr
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#endif
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) {
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// obsolete skip_block
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const int skip_block = 0;
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if (qparam->log_scale == 0) {
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av1_quantize_fp(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round_fp,
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p->quant_fp, p->quant_shift, qcoeff_ptr, dqcoeff_ptr,
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pd->dequant, eob_ptr, sc->scan, sc->iscan
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#if CONFIG_AOM_QM
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,
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qm_ptr, iqm_ptr
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#endif
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);
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} else {
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av1_quantize_fp_32x32(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round_fp,
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p->quant_fp, p->quant_shift, qcoeff_ptr, dqcoeff_ptr,
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pd->dequant, eob_ptr, sc->scan, sc->iscan
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#if CONFIG_AOM_QM
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,
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qm_ptr, iqm_ptr
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#endif
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);
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}
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}
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void av1_quantize_b_facade(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr,
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const MACROBLOCKD_PLANE *pd, tran_low_t *dqcoeff_ptr,
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uint16_t *eob_ptr, const SCAN_ORDER *sc,
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const QUANT_PARAM *qparam
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#if CONFIG_AOM_QM
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,
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const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr
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#endif
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) {
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// obsolete skip_block
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|
const int skip_block = 0;
|
|
|
|
if (qparam->log_scale == 0) {
|
|
aom_quantize_b(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round, p->quant,
|
|
p->quant_shift, qcoeff_ptr, dqcoeff_ptr, pd->dequant,
|
|
eob_ptr, sc->scan, sc->iscan
|
|
#if CONFIG_AOM_QM
|
|
,
|
|
qm_ptr, iqm_ptr
|
|
#endif
|
|
);
|
|
} else {
|
|
aom_quantize_b_32x32(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round,
|
|
p->quant, p->quant_shift, qcoeff_ptr, dqcoeff_ptr,
|
|
pd->dequant, eob_ptr, sc->scan, sc->iscan
|
|
#if CONFIG_AOM_QM
|
|
,
|
|
qm_ptr, iqm_ptr
|
|
#endif
|
|
);
|
|
}
|
|
}
|
|
|
|
void av1_quantize_dc_facade(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
|
const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr,
|
|
const MACROBLOCKD_PLANE *pd,
|
|
tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr,
|
|
const SCAN_ORDER *sc, const QUANT_PARAM *qparam
|
|
#if CONFIG_AOM_QM
|
|
,
|
|
const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr
|
|
#endif
|
|
) {
|
|
// obsolete skip_block
|
|
const int skip_block = 0;
|
|
(void)sc;
|
|
if (qparam->log_scale == 0) {
|
|
aom_quantize_dc(coeff_ptr, (int)n_coeffs, skip_block, p->round,
|
|
p->quant_fp[0], qcoeff_ptr, dqcoeff_ptr, pd->dequant[0],
|
|
eob_ptr
|
|
#if CONFIG_AOM_QM
|
|
,
|
|
qm_ptr, iqm_ptr
|
|
#endif
|
|
);
|
|
} else {
|
|
aom_quantize_dc_32x32(coeff_ptr, skip_block, p->round, p->quant_fp[0],
|
|
qcoeff_ptr, dqcoeff_ptr, pd->dequant[0], eob_ptr
|
|
#if CONFIG_AOM_QM
|
|
,
|
|
qm_ptr, iqm_ptr
|
|
#endif
|
|
);
|
|
}
|
|
}
|
|
|
|
#if CONFIG_AOM_HIGHBITDEPTH
|
|
void av1_highbd_quantize_fp_facade(
|
|
const tran_low_t *coeff_ptr, intptr_t n_coeffs, const MACROBLOCK_PLANE *p,
|
|
tran_low_t *qcoeff_ptr, const MACROBLOCKD_PLANE *pd,
|
|
tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const SCAN_ORDER *sc,
|
|
const QUANT_PARAM *qparam
|
|
#if CONFIG_AOM_QM
|
|
,
|
|
const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr
|
|
#endif
|
|
) {
|
|
// obsolete skip_block
|
|
const int skip_block = 0;
|
|
|
|
av1_highbd_quantize_fp(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round_fp,
|
|
p->quant_fp, p->quant_shift, qcoeff_ptr, dqcoeff_ptr,
|
|
pd->dequant, eob_ptr, sc->scan, sc->iscan,
|
|
#if CONFIG_AOM_QM
|
|
qm_ptr, iqm_ptr,
|
|
#endif
|
|
qparam->log_scale);
|
|
}
|
|
|
|
void av1_highbd_quantize_b_facade(
|
|
const tran_low_t *coeff_ptr, intptr_t n_coeffs, const MACROBLOCK_PLANE *p,
|
|
tran_low_t *qcoeff_ptr, const MACROBLOCKD_PLANE *pd,
|
|
tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const SCAN_ORDER *sc,
|
|
const QUANT_PARAM *qparam
|
|
#if CONFIG_AOM_QM
|
|
,
|
|
const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr
|
|
#endif
|
|
) {
|
|
// obsolete skip_block
|
|
const int skip_block = 0;
|
|
|
|
av1_highbd_quantize_b(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round,
|
|
p->quant, p->quant_shift, qcoeff_ptr, dqcoeff_ptr,
|
|
pd->dequant, eob_ptr, sc->scan, sc->iscan,
|
|
#if CONFIG_AOM_QM
|
|
qm_ptr, iqm_ptr,
|
|
#endif
|
|
qparam->log_scale);
|
|
}
|
|
|
|
void av1_highbd_quantize_dc_facade(
|
|
const tran_low_t *coeff_ptr, intptr_t n_coeffs, const MACROBLOCK_PLANE *p,
|
|
tran_low_t *qcoeff_ptr, const MACROBLOCKD_PLANE *pd,
|
|
tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const SCAN_ORDER *sc,
|
|
const QUANT_PARAM *qparam
|
|
#if CONFIG_AOM_QM
|
|
,
|
|
const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr
|
|
#endif
|
|
) {
|
|
// obsolete skip_block
|
|
const int skip_block = 0;
|
|
|
|
(void)sc;
|
|
|
|
av1_highbd_quantize_dc(coeff_ptr, (int)n_coeffs, skip_block, p->round,
|
|
p->quant_fp[0], qcoeff_ptr, dqcoeff_ptr,
|
|
pd->dequant[0], eob_ptr,
|
|
#if CONFIG_AOM_QM
|
|
qm_ptr, iqm_ptr,
|
|
#endif
|
|
qparam->log_scale);
|
|
}
|
|
|
|
#if CONFIG_NEW_QUANT
|
|
static INLINE int highbd_quantize_coeff_nuq(
|
|
const tran_low_t coeffv, const int16_t quant, const int16_t quant_shift,
|
|
const int16_t dequant, const tran_low_t *cuml_bins_ptr,
|
|
const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr,
|
|
tran_low_t *dqcoeff_ptr) {
|
|
const int coeff = coeffv;
|
|
const int coeff_sign = (coeff >> 31);
|
|
const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
|
|
int i, q;
|
|
int64_t tmp = clamp(abs_coeff, INT32_MIN, INT32_MAX);
|
|
for (i = 0; i < NUQ_KNOTS; i++) {
|
|
if (tmp < cuml_bins_ptr[i]) {
|
|
q = i;
|
|
break;
|
|
}
|
|
}
|
|
if (i == NUQ_KNOTS) {
|
|
tmp -= cuml_bins_ptr[NUQ_KNOTS - 1];
|
|
q = NUQ_KNOTS + (int)(((((tmp * quant) >> 16) + tmp) * quant_shift) >> 16);
|
|
}
|
|
if (q) {
|
|
*dqcoeff_ptr = av1_dequant_abscoeff_nuq(q, dequant, dequant_val);
|
|
*qcoeff_ptr = (q ^ coeff_sign) - coeff_sign;
|
|
*dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr;
|
|
} else {
|
|
*qcoeff_ptr = 0;
|
|
*dqcoeff_ptr = 0;
|
|
}
|
|
return (q != 0);
|
|
}
|
|
|
|
static INLINE int highbd_quantize_coeff_fp_nuq(
|
|
const tran_low_t coeffv, const int16_t quant, const int16_t dequant,
|
|
const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val,
|
|
tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr) {
|
|
const int coeff = coeffv;
|
|
const int coeff_sign = (coeff >> 31);
|
|
const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
|
|
int i, q;
|
|
int64_t tmp = clamp(abs_coeff, INT32_MIN, INT32_MAX);
|
|
for (i = 0; i < NUQ_KNOTS; i++) {
|
|
if (tmp < cuml_bins_ptr[i]) {
|
|
q = i;
|
|
break;
|
|
}
|
|
}
|
|
if (i == NUQ_KNOTS) {
|
|
q = NUQ_KNOTS + (int)(((tmp - cuml_bins_ptr[NUQ_KNOTS - 1]) * quant) >> 16);
|
|
}
|
|
if (q) {
|
|
*dqcoeff_ptr = av1_dequant_abscoeff_nuq(q, dequant, dequant_val);
|
|
*qcoeff_ptr = (q ^ coeff_sign) - coeff_sign;
|
|
*dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr;
|
|
} else {
|
|
*qcoeff_ptr = 0;
|
|
*dqcoeff_ptr = 0;
|
|
}
|
|
return (q != 0);
|
|
}
|
|
|
|
static INLINE int highbd_quantize_coeff_bigtx_fp_nuq(
|
|
const tran_low_t coeffv, const int16_t quant, const int16_t dequant,
|
|
const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val,
|
|
tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, int logsizeby32) {
|
|
const int coeff = coeffv;
|
|
const int coeff_sign = (coeff >> 31);
|
|
const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
|
|
int i, q;
|
|
int64_t tmp = clamp(abs_coeff, INT32_MIN, INT32_MAX);
|
|
for (i = 0; i < NUQ_KNOTS; i++) {
|
|
if (tmp < ROUND_POWER_OF_TWO(cuml_bins_ptr[i], 1 + logsizeby32)) {
|
|
q = i;
|
|
break;
|
|
}
|
|
}
|
|
if (i == NUQ_KNOTS) {
|
|
q = NUQ_KNOTS +
|
|
(int)(((tmp - ROUND_POWER_OF_TWO(cuml_bins_ptr[NUQ_KNOTS - 1],
|
|
1 + logsizeby32)) *
|
|
quant) >>
|
|
(15 - logsizeby32));
|
|
}
|
|
if (q) {
|
|
*dqcoeff_ptr = ROUND_POWER_OF_TWO(
|
|
av1_dequant_abscoeff_nuq(q, dequant, dequant_val), 1 + logsizeby32);
|
|
*qcoeff_ptr = (q ^ coeff_sign) - coeff_sign;
|
|
*dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr;
|
|
} else {
|
|
*qcoeff_ptr = 0;
|
|
*dqcoeff_ptr = 0;
|
|
}
|
|
return (q != 0);
|
|
}
|
|
|
|
static INLINE int highbd_quantize_coeff_bigtx_nuq(
|
|
const tran_low_t coeffv, const int16_t quant, const int16_t quant_shift,
|
|
const int16_t dequant, const tran_low_t *cuml_bins_ptr,
|
|
const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr,
|
|
tran_low_t *dqcoeff_ptr, int logsizeby32) {
|
|
const int coeff = coeffv;
|
|
const int coeff_sign = (coeff >> 31);
|
|
const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
|
|
int i, q;
|
|
int64_t tmp = clamp(abs_coeff, INT32_MIN, INT32_MAX);
|
|
for (i = 0; i < NUQ_KNOTS; i++) {
|
|
if (tmp < ROUND_POWER_OF_TWO(cuml_bins_ptr[i], 1 + logsizeby32)) {
|
|
q = i;
|
|
break;
|
|
}
|
|
}
|
|
if (i == NUQ_KNOTS) {
|
|
tmp -= ROUND_POWER_OF_TWO(cuml_bins_ptr[NUQ_KNOTS - 1], 1 + logsizeby32);
|
|
q = NUQ_KNOTS + (int)(((((tmp * quant) >> 16) + tmp) * quant_shift) >>
|
|
(15 - logsizeby32));
|
|
}
|
|
if (q) {
|
|
*dqcoeff_ptr = ROUND_POWER_OF_TWO(
|
|
av1_dequant_abscoeff_nuq(q, dequant, dequant_val), 1 + logsizeby32);
|
|
*qcoeff_ptr = (q ^ coeff_sign) - coeff_sign;
|
|
*dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr;
|
|
} else {
|
|
*qcoeff_ptr = 0;
|
|
*dqcoeff_ptr = 0;
|
|
}
|
|
return (q != 0);
|
|
}
|
|
|
|
void highbd_quantize_dc_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
|
int skip_block, const int16_t quant,
|
|
const int16_t quant_shift, const int16_t dequant,
|
|
const tran_low_t *cuml_bins_ptr,
|
|
const tran_low_t *dequant_val,
|
|
tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
|
|
uint16_t *eob_ptr) {
|
|
int eob = -1;
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
if (!skip_block) {
|
|
const int rc = 0;
|
|
if (highbd_quantize_coeff_nuq(coeff_ptr[rc], quant, quant_shift, dequant,
|
|
cuml_bins_ptr, dequant_val, qcoeff_ptr,
|
|
dqcoeff_ptr))
|
|
eob = 0;
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
|
|
void highbd_quantize_dc_fp_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
|
int skip_block, const int16_t quant,
|
|
const int16_t dequant,
|
|
const tran_low_t *cuml_bins_ptr,
|
|
const tran_low_t *dequant_val,
|
|
tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
|
|
uint16_t *eob_ptr) {
|
|
int eob = -1;
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
if (!skip_block) {
|
|
const int rc = 0;
|
|
if (highbd_quantize_coeff_fp_nuq(coeff_ptr[rc], quant, dequant,
|
|
cuml_bins_ptr, dequant_val, qcoeff_ptr,
|
|
dqcoeff_ptr))
|
|
eob = 0;
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
|
|
void highbd_quantize_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
|
int skip_block, const int16_t *quant_ptr,
|
|
const int16_t *quant_shift_ptr,
|
|
const int16_t *dequant_ptr,
|
|
const cuml_bins_type_nuq *cuml_bins_ptr,
|
|
const dequant_val_type_nuq *dequant_val,
|
|
tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
|
|
uint16_t *eob_ptr, const int16_t *scan,
|
|
const uint8_t *band) {
|
|
int eob = -1;
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
if (!skip_block) {
|
|
int i;
|
|
for (i = 0; i < n_coeffs; i++) {
|
|
const int rc = scan[i];
|
|
if (highbd_quantize_coeff_nuq(
|
|
coeff_ptr[rc], quant_ptr[rc != 0], quant_shift_ptr[rc != 0],
|
|
dequant_ptr[rc != 0], cuml_bins_ptr[band[i]],
|
|
dequant_val[band[i]], &qcoeff_ptr[rc], &dqcoeff_ptr[rc]))
|
|
eob = i;
|
|
}
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
|
|
void highbd_quantize_32x32_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
|
int skip_block, const int16_t *quant_ptr,
|
|
const int16_t *quant_shift_ptr,
|
|
const int16_t *dequant_ptr,
|
|
const cuml_bins_type_nuq *cuml_bins_ptr,
|
|
const dequant_val_type_nuq *dequant_val,
|
|
tran_low_t *qcoeff_ptr,
|
|
tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr,
|
|
const int16_t *scan, const uint8_t *band) {
|
|
int eob = -1;
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
if (!skip_block) {
|
|
int i;
|
|
for (i = 0; i < n_coeffs; i++) {
|
|
const int rc = scan[i];
|
|
if (highbd_quantize_coeff_bigtx_nuq(
|
|
coeff_ptr[rc], quant_ptr[rc != 0], quant_shift_ptr[rc != 0],
|
|
dequant_ptr[rc != 0], cuml_bins_ptr[band[i]],
|
|
dequant_val[band[i]], &qcoeff_ptr[rc], &dqcoeff_ptr[rc], 0))
|
|
eob = i;
|
|
}
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
|
|
void highbd_quantize_32x32_fp_nuq_c(const tran_low_t *coeff_ptr,
|
|
intptr_t n_coeffs, int skip_block,
|
|
const int16_t *quant_ptr,
|
|
const int16_t *dequant_ptr,
|
|
const cuml_bins_type_nuq *cuml_bins_ptr,
|
|
const dequant_val_type_nuq *dequant_val,
|
|
tran_low_t *qcoeff_ptr,
|
|
tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr,
|
|
const int16_t *scan, const uint8_t *band) {
|
|
int eob = -1;
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
if (!skip_block) {
|
|
int i;
|
|
for (i = 0; i < n_coeffs; i++) {
|
|
const int rc = scan[i];
|
|
if (highbd_quantize_coeff_bigtx_fp_nuq(
|
|
coeff_ptr[rc], quant_ptr[rc != 0], dequant_ptr[rc != 0],
|
|
cuml_bins_ptr[band[i]], dequant_val[band[i]], &qcoeff_ptr[rc],
|
|
&dqcoeff_ptr[rc], 0))
|
|
eob = i;
|
|
}
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
|
|
void highbd_quantize_fp_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
|
int skip_block, const int16_t *quant_ptr,
|
|
const int16_t *dequant_ptr,
|
|
const cuml_bins_type_nuq *cuml_bins_ptr,
|
|
const dequant_val_type_nuq *dequant_val,
|
|
tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
|
|
uint16_t *eob_ptr, const int16_t *scan,
|
|
const uint8_t *band) {
|
|
int eob = -1;
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
if (!skip_block) {
|
|
int i;
|
|
for (i = 0; i < n_coeffs; i++) {
|
|
const int rc = scan[i];
|
|
if (highbd_quantize_coeff_fp_nuq(
|
|
coeff_ptr[rc], quant_ptr[rc != 0], dequant_ptr[rc != 0],
|
|
cuml_bins_ptr[band[i]], dequant_val[band[i]], &qcoeff_ptr[rc],
|
|
&dqcoeff_ptr[rc]))
|
|
eob = i;
|
|
}
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
|
|
void highbd_quantize_dc_32x32_nuq(
|
|
const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block,
|
|
const int16_t quant, const int16_t quant_shift, const int16_t dequant,
|
|
const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val,
|
|
tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr) {
|
|
int eob = -1;
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
if (!skip_block) {
|
|
const int rc = 0;
|
|
if (highbd_quantize_coeff_bigtx_nuq(coeff_ptr[rc], quant, quant_shift,
|
|
dequant, cuml_bins_ptr, dequant_val,
|
|
qcoeff_ptr, dqcoeff_ptr, 0))
|
|
eob = 0;
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
|
|
void highbd_quantize_dc_32x32_fp_nuq(
|
|
const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block,
|
|
const int16_t quant, const int16_t dequant, const tran_low_t *cuml_bins_ptr,
|
|
const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr,
|
|
tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr) {
|
|
int eob = -1;
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
if (!skip_block) {
|
|
const int rc = 0;
|
|
if (highbd_quantize_coeff_bigtx_fp_nuq(coeff_ptr[rc], quant, dequant,
|
|
cuml_bins_ptr, dequant_val,
|
|
qcoeff_ptr, dqcoeff_ptr, 0))
|
|
eob = 0;
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
#endif // CONFIG_NEW_QUANT
|
|
#endif // CONFIG_AOM_HIGHBITDEPTH
|
|
|
|
void av1_quantize_fp_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
|
int skip_block, const int16_t *zbin_ptr,
|
|
const int16_t *round_ptr, const int16_t *quant_ptr,
|
|
const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
|
|
tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr,
|
|
uint16_t *eob_ptr, const int16_t *scan,
|
|
const int16_t *iscan
|
|
#if CONFIG_AOM_QM
|
|
,
|
|
const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr
|
|
#endif
|
|
) {
|
|
int i, eob = -1;
|
|
// TODO(jingning) Decide the need of these arguments after the
|
|
// quantization process is completed.
|
|
(void)zbin_ptr;
|
|
(void)quant_shift_ptr;
|
|
(void)iscan;
|
|
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
|
|
if (!skip_block) {
|
|
// Quantization pass: All coefficients with index >= zero_flag are
|
|
// skippable. Note: zero_flag can be zero.
|
|
for (i = 0; i < n_coeffs; i++) {
|
|
const int rc = scan[i];
|
|
const int coeff = coeff_ptr[rc];
|
|
#if CONFIG_AOM_QM
|
|
const qm_val_t wt = qm_ptr[rc];
|
|
const qm_val_t iwt = iqm_ptr[rc];
|
|
const int dequant =
|
|
(dequant_ptr[rc != 0] * iwt + (1 << (AOM_QM_BITS - 1))) >>
|
|
AOM_QM_BITS;
|
|
#endif
|
|
const int coeff_sign = (coeff >> 31);
|
|
const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
|
|
|
|
int64_t tmp = clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX);
|
|
int tmp32;
|
|
#if CONFIG_AOM_QM
|
|
tmp32 = (int)((tmp * wt * quant_ptr[rc != 0]) >> (16 + AOM_QM_BITS));
|
|
qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign;
|
|
dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant;
|
|
#else
|
|
tmp32 = (int)((tmp * quant_ptr[rc != 0]) >> 16);
|
|
qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign;
|
|
dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0];
|
|
#endif
|
|
|
|
if (tmp32) eob = i;
|
|
}
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
|
|
#if CONFIG_AOM_HIGHBITDEPTH
|
|
void av1_highbd_quantize_fp_c(const tran_low_t *coeff_ptr, intptr_t count,
|
|
int skip_block, const int16_t *zbin_ptr,
|
|
const int16_t *round_ptr,
|
|
const int16_t *quant_ptr,
|
|
const int16_t *quant_shift_ptr,
|
|
tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
|
|
const int16_t *dequant_ptr, uint16_t *eob_ptr,
|
|
const int16_t *scan, const int16_t *iscan,
|
|
#if CONFIG_AOM_QM
|
|
const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr,
|
|
#endif
|
|
int log_scale) {
|
|
int i;
|
|
int eob = -1;
|
|
const int scale = 1 << log_scale;
|
|
const int shift = 16 - log_scale;
|
|
// TODO(jingning) Decide the need of these arguments after the
|
|
// quantization process is completed.
|
|
(void)zbin_ptr;
|
|
(void)quant_shift_ptr;
|
|
(void)iscan;
|
|
|
|
memset(qcoeff_ptr, 0, count * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, count * sizeof(*dqcoeff_ptr));
|
|
|
|
if (!skip_block) {
|
|
// Quantization pass: All coefficients with index >= zero_flag are
|
|
// skippable. Note: zero_flag can be zero.
|
|
for (i = 0; i < count; i++) {
|
|
const int rc = scan[i];
|
|
const int coeff = coeff_ptr[rc];
|
|
#if CONFIG_AOM_QM
|
|
const qm_val_t wt = qm_ptr[rc];
|
|
const qm_val_t iwt = iqm_ptr[rc];
|
|
const int dequant =
|
|
(dequant_ptr[rc != 0] * iwt + (1 << (AOM_QM_BITS - 1))) >>
|
|
AOM_QM_BITS;
|
|
#endif
|
|
const int coeff_sign = (coeff >> 31);
|
|
const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
|
|
const int64_t tmp = abs_coeff + round_ptr[rc != 0];
|
|
#if CONFIG_AOM_QM
|
|
const uint32_t abs_qcoeff =
|
|
(uint32_t)((tmp * quant_ptr[rc != 0] * wt) >> (shift + AOM_QM_BITS));
|
|
qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign);
|
|
dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant / scale;
|
|
#else
|
|
const uint32_t abs_qcoeff =
|
|
(uint32_t)((tmp * quant_ptr[rc != 0]) >> shift);
|
|
qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign);
|
|
dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / scale;
|
|
#endif
|
|
if (abs_qcoeff) eob = i;
|
|
}
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
|
|
#endif // CONFIG_AOM_HIGHBITDEPTH
|
|
|
|
// TODO(jingning) Refactor this file and combine functions with similar
|
|
// operations.
|
|
void av1_quantize_fp_32x32_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
|
int skip_block, const int16_t *zbin_ptr,
|
|
const int16_t *round_ptr, const int16_t *quant_ptr,
|
|
const int16_t *quant_shift_ptr,
|
|
tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
|
|
const int16_t *dequant_ptr, uint16_t *eob_ptr,
|
|
const int16_t *scan, const int16_t *iscan
|
|
#if CONFIG_AOM_QM
|
|
,
|
|
const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr
|
|
#endif
|
|
) {
|
|
int i, eob = -1;
|
|
(void)zbin_ptr;
|
|
(void)quant_shift_ptr;
|
|
(void)iscan;
|
|
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
|
|
if (!skip_block) {
|
|
for (i = 0; i < n_coeffs; i++) {
|
|
const int rc = scan[i];
|
|
const int coeff = coeff_ptr[rc];
|
|
#if CONFIG_AOM_QM
|
|
const qm_val_t wt = qm_ptr[rc];
|
|
const qm_val_t iwt = iqm_ptr[rc];
|
|
const int dequant =
|
|
(dequant_ptr[rc != 0] * iwt + (1 << (AOM_QM_BITS - 1))) >>
|
|
AOM_QM_BITS;
|
|
int64_t tmp = 0;
|
|
#endif
|
|
const int coeff_sign = (coeff >> 31);
|
|
int tmp32 = 0;
|
|
int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
|
|
|
|
#if CONFIG_AOM_QM
|
|
if (abs_coeff * wt >= (dequant_ptr[rc != 0] << (AOM_QM_BITS - 2))) {
|
|
#else
|
|
if (abs_coeff >= (dequant_ptr[rc != 0] >> 2)) {
|
|
#endif
|
|
abs_coeff += ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1);
|
|
abs_coeff = clamp(abs_coeff, INT16_MIN, INT16_MAX);
|
|
#if CONFIG_AOM_QM
|
|
tmp = abs_coeff * wt;
|
|
tmp32 = (int)(tmp * quant_ptr[rc != 0]) >> (AOM_QM_BITS + 15);
|
|
qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign;
|
|
dqcoeff_ptr[rc] = (qcoeff_ptr[rc] * dequant) / 2;
|
|
#else
|
|
tmp32 = (abs_coeff * quant_ptr[rc != 0]) >> 15;
|
|
qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign;
|
|
dqcoeff_ptr[rc] = (qcoeff_ptr[rc] * dequant_ptr[rc != 0]) / 2;
|
|
#endif
|
|
}
|
|
|
|
if (tmp32) eob = i;
|
|
}
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
|
|
#if CONFIG_AOM_HIGHBITDEPTH
|
|
void av1_highbd_quantize_b_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
|
|
int skip_block, const int16_t *zbin_ptr,
|
|
const int16_t *round_ptr, const int16_t *quant_ptr,
|
|
const int16_t *quant_shift_ptr,
|
|
tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
|
|
const int16_t *dequant_ptr, uint16_t *eob_ptr,
|
|
const int16_t *scan, const int16_t *iscan,
|
|
#if CONFIG_AOM_QM
|
|
const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr,
|
|
#endif
|
|
int log_scale) {
|
|
int i, non_zero_count = (int)n_coeffs, eob = -1;
|
|
int zbins[2] = { zbin_ptr[0], zbin_ptr[1] };
|
|
int round[2] = { round_ptr[0], round_ptr[1] };
|
|
int nzbins[2];
|
|
int scale = 1;
|
|
int shift = 16;
|
|
(void)iscan;
|
|
|
|
if (log_scale > 0) {
|
|
zbins[0] = ROUND_POWER_OF_TWO(zbin_ptr[0], log_scale);
|
|
zbins[1] = ROUND_POWER_OF_TWO(zbin_ptr[1], log_scale);
|
|
round[0] = ROUND_POWER_OF_TWO(round_ptr[0], log_scale);
|
|
round[1] = ROUND_POWER_OF_TWO(round_ptr[1], log_scale);
|
|
scale = 1 << log_scale;
|
|
shift = 16 - log_scale;
|
|
}
|
|
|
|
nzbins[0] = zbins[0] * -1;
|
|
nzbins[1] = zbins[1] * -1;
|
|
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
|
|
if (!skip_block) {
|
|
// Pre-scan pass
|
|
for (i = (int)n_coeffs - 1; i >= 0; i--) {
|
|
const int rc = scan[i];
|
|
const int coeff = coeff_ptr[rc];
|
|
if (coeff < zbins[rc != 0] && coeff > nzbins[rc != 0])
|
|
non_zero_count--;
|
|
else
|
|
break;
|
|
}
|
|
|
|
// Quantization pass: All coefficients with index >= zero_flag are
|
|
// skippable. Note: zero_flag can be zero.
|
|
for (i = 0; i < non_zero_count; i++) {
|
|
const int rc = scan[i];
|
|
#if CONFIG_AOM_QM
|
|
const qm_val_t wt = qm_ptr[rc];
|
|
const qm_val_t iwt = iqm_ptr[rc];
|
|
const int dequant =
|
|
(dequant_ptr[rc != 0] * iwt + (1 << (AOM_QM_BITS - 1))) >>
|
|
AOM_QM_BITS;
|
|
#endif
|
|
const int coeff = coeff_ptr[rc];
|
|
const int coeff_sign = (coeff >> 31);
|
|
const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
|
|
#if CONFIG_AOM_QM
|
|
if (abs_coeff * wt >= (zbins[rc != 0] << AOM_QM_BITS)) {
|
|
#else
|
|
|
|
if (abs_coeff >= zbins[rc != 0]) {
|
|
#endif
|
|
const int64_t tmp1 = abs_coeff + round[rc != 0];
|
|
const int64_t tmp2 = ((tmp1 * quant_ptr[rc != 0]) >> 16) + tmp1;
|
|
#if CONFIG_AOM_QM
|
|
const uint32_t abs_qcoeff = (uint32_t)(
|
|
(tmp2 * wt * quant_shift_ptr[rc != 0]) >> (AOM_QM_BITS + shift));
|
|
qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign);
|
|
dqcoeff_ptr[rc] = (qcoeff_ptr[rc] * dequant) / scale;
|
|
#else
|
|
const uint32_t abs_qcoeff =
|
|
(uint32_t)((tmp2 * quant_shift_ptr[rc != 0]) >> shift);
|
|
qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign);
|
|
dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / scale;
|
|
#endif // CONFIG_AOM_QM
|
|
if (abs_qcoeff) eob = i;
|
|
}
|
|
}
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
#endif
|
|
|
|
#if CONFIG_AOM_HIGHBITDEPTH
|
|
void av1_highbd_quantize_dc(const tran_low_t *coeff_ptr, int n_coeffs,
|
|
int skip_block, const int16_t *round_ptr,
|
|
const int16_t quant, tran_low_t *qcoeff_ptr,
|
|
tran_low_t *dqcoeff_ptr, const int16_t dequant_ptr,
|
|
uint16_t *eob_ptr,
|
|
#if CONFIG_AOM_QM
|
|
const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr,
|
|
#endif
|
|
const int log_scale) {
|
|
int eob = -1;
|
|
|
|
memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr));
|
|
memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr));
|
|
#if CONFIG_AOM_QM
|
|
(void)qm_ptr;
|
|
(void)iqm_ptr;
|
|
#endif
|
|
if (!skip_block) {
|
|
const int coeff = coeff_ptr[0];
|
|
const int coeff_sign = (coeff >> 31);
|
|
const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign;
|
|
const int64_t tmp = abs_coeff + round_ptr[0];
|
|
const uint32_t abs_qcoeff = (uint32_t)((tmp * quant) >> (16 - log_scale));
|
|
qcoeff_ptr[0] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign);
|
|
dqcoeff_ptr[0] = qcoeff_ptr[0] * dequant_ptr / (1 << log_scale);
|
|
if (abs_qcoeff) eob = 0;
|
|
}
|
|
*eob_ptr = eob + 1;
|
|
}
|
|
#endif
|
|
|
|
static void invert_quant(int16_t *quant, int16_t *shift, int d) {
|
|
uint32_t t;
|
|
int l, m;
|
|
t = d;
|
|
for (l = 0; t > 1; l++) t >>= 1;
|
|
m = 1 + (1 << (16 + l)) / d;
|
|
*quant = (int16_t)(m - (1 << 16));
|
|
*shift = 1 << (16 - l);
|
|
}
|
|
|
|
static int get_qzbin_factor(int q, aom_bit_depth_t bit_depth) {
|
|
const int quant = av1_dc_quant(q, 0, bit_depth);
|
|
#if CONFIG_AOM_HIGHBITDEPTH
|
|
switch (bit_depth) {
|
|
case AOM_BITS_8: return q == 0 ? 64 : (quant < 148 ? 84 : 80);
|
|
case AOM_BITS_10: return q == 0 ? 64 : (quant < 592 ? 84 : 80);
|
|
case AOM_BITS_12: return q == 0 ? 64 : (quant < 2368 ? 84 : 80);
|
|
default:
|
|
assert(0 && "bit_depth should be AOM_BITS_8, AOM_BITS_10 or AOM_BITS_12");
|
|
return -1;
|
|
}
|
|
#else
|
|
(void)bit_depth;
|
|
return q == 0 ? 64 : (quant < 148 ? 84 : 80);
|
|
#endif
|
|
}
|
|
|
|
void av1_init_quantizer(AV1_COMP *cpi) {
|
|
AV1_COMMON *const cm = &cpi->common;
|
|
QUANTS *const quants = &cpi->quants;
|
|
int i, q, quant;
|
|
#if CONFIG_NEW_QUANT
|
|
int dq;
|
|
#endif
|
|
|
|
for (q = 0; q < QINDEX_RANGE; q++) {
|
|
const int qzbin_factor = get_qzbin_factor(q, cm->bit_depth);
|
|
const int qrounding_factor = q == 0 ? 64 : 48;
|
|
|
|
for (i = 0; i < 2; ++i) {
|
|
int qrounding_factor_fp = 64;
|
|
// y
|
|
quant = i == 0 ? av1_dc_quant(q, cm->y_dc_delta_q, cm->bit_depth)
|
|
: av1_ac_quant(q, 0, cm->bit_depth);
|
|
invert_quant(&quants->y_quant[q][i], &quants->y_quant_shift[q][i], quant);
|
|
quants->y_quant_fp[q][i] = (1 << 16) / quant;
|
|
quants->y_round_fp[q][i] = (qrounding_factor_fp * quant) >> 7;
|
|
quants->y_zbin[q][i] = ROUND_POWER_OF_TWO(qzbin_factor * quant, 7);
|
|
quants->y_round[q][i] = (qrounding_factor * quant) >> 7;
|
|
cpi->y_dequant[q][i] = quant;
|
|
|
|
// uv
|
|
quant = i == 0 ? av1_dc_quant(q, cm->uv_dc_delta_q, cm->bit_depth)
|
|
: av1_ac_quant(q, cm->uv_ac_delta_q, cm->bit_depth);
|
|
invert_quant(&quants->uv_quant[q][i], &quants->uv_quant_shift[q][i],
|
|
quant);
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|
quants->uv_quant_fp[q][i] = (1 << 16) / quant;
|
|
quants->uv_round_fp[q][i] = (qrounding_factor_fp * quant) >> 7;
|
|
quants->uv_zbin[q][i] = ROUND_POWER_OF_TWO(qzbin_factor * quant, 7);
|
|
quants->uv_round[q][i] = (qrounding_factor * quant) >> 7;
|
|
cpi->uv_dequant[q][i] = quant;
|
|
}
|
|
|
|
#if CONFIG_NEW_QUANT
|
|
for (dq = 0; dq < QUANT_PROFILES; dq++) {
|
|
for (i = 0; i < COEF_BANDS; i++) {
|
|
const int y_quant = cpi->y_dequant[q][i != 0];
|
|
const int uvquant = cpi->uv_dequant[q][i != 0];
|
|
av1_get_dequant_val_nuq(y_quant, i, cpi->y_dequant_val_nuq[dq][q][i],
|
|
quants->y_cuml_bins_nuq[dq][q][i], dq);
|
|
av1_get_dequant_val_nuq(uvquant, i, cpi->uv_dequant_val_nuq[dq][q][i],
|
|
quants->uv_cuml_bins_nuq[dq][q][i], dq);
|
|
}
|
|
}
|
|
#endif // CONFIG_NEW_QUANT
|
|
|
|
for (i = 2; i < 8; i++) { // 8: SIMD width
|
|
quants->y_quant[q][i] = quants->y_quant[q][1];
|
|
quants->y_quant_fp[q][i] = quants->y_quant_fp[q][1];
|
|
quants->y_round_fp[q][i] = quants->y_round_fp[q][1];
|
|
quants->y_quant_shift[q][i] = quants->y_quant_shift[q][1];
|
|
quants->y_zbin[q][i] = quants->y_zbin[q][1];
|
|
quants->y_round[q][i] = quants->y_round[q][1];
|
|
cpi->y_dequant[q][i] = cpi->y_dequant[q][1];
|
|
|
|
quants->uv_quant[q][i] = quants->uv_quant[q][1];
|
|
quants->uv_quant_fp[q][i] = quants->uv_quant_fp[q][1];
|
|
quants->uv_round_fp[q][i] = quants->uv_round_fp[q][1];
|
|
quants->uv_quant_shift[q][i] = quants->uv_quant_shift[q][1];
|
|
quants->uv_zbin[q][i] = quants->uv_zbin[q][1];
|
|
quants->uv_round[q][i] = quants->uv_round[q][1];
|
|
cpi->uv_dequant[q][i] = cpi->uv_dequant[q][1];
|
|
}
|
|
}
|
|
}
|
|
|
|
void av1_init_plane_quantizers(const AV1_COMP *cpi, MACROBLOCK *x,
|
|
int segment_id) {
|
|
const AV1_COMMON *const cm = &cpi->common;
|
|
MACROBLOCKD *const xd = &x->e_mbd;
|
|
const QUANTS *const quants = &cpi->quants;
|
|
|
|
#if CONFIG_DELTA_Q
|
|
int current_q_index = cpi->oxcf.aq_mode == DELTA_AQ
|
|
? cm->base_qindex + xd->delta_qindex
|
|
: cm->base_qindex;
|
|
const int qindex = av1_get_qindex(&cm->seg, segment_id, current_q_index);
|
|
#else
|
|
const int qindex = av1_get_qindex(&cm->seg, segment_id, cm->base_qindex);
|
|
#endif
|
|
const int rdmult = av1_compute_rd_mult(cpi, qindex + cm->y_dc_delta_q);
|
|
int i;
|
|
#if CONFIG_AOM_QM
|
|
int minqm = cm->min_qmlevel;
|
|
int maxqm = cm->max_qmlevel;
|
|
// Quant matrix only depends on the base QP so there is only one set per frame
|
|
int qmlevel = (xd->lossless[segment_id] || cm->using_qmatrix == 0)
|
|
? NUM_QM_LEVELS - 1
|
|
: aom_get_qmlevel(cm->base_qindex, minqm, maxqm);
|
|
#endif
|
|
#if CONFIG_NEW_QUANT
|
|
int dq;
|
|
#endif
|
|
|
|
// Y
|
|
x->plane[0].quant = quants->y_quant[qindex];
|
|
x->plane[0].quant_fp = quants->y_quant_fp[qindex];
|
|
x->plane[0].round_fp = quants->y_round_fp[qindex];
|
|
x->plane[0].quant_shift = quants->y_quant_shift[qindex];
|
|
x->plane[0].zbin = quants->y_zbin[qindex];
|
|
x->plane[0].round = quants->y_round[qindex];
|
|
#if CONFIG_AOM_QM
|
|
memcpy(&xd->plane[0].seg_qmatrix[segment_id], cm->gqmatrix[qmlevel][0],
|
|
sizeof(cm->gqmatrix[qmlevel][0]));
|
|
memcpy(&xd->plane[0].seg_iqmatrix[segment_id], cm->giqmatrix[qmlevel][0],
|
|
sizeof(cm->giqmatrix[qmlevel][0]));
|
|
#endif
|
|
xd->plane[0].dequant = cpi->y_dequant[qindex];
|
|
#if CONFIG_NEW_QUANT
|
|
for (dq = 0; dq < QUANT_PROFILES; dq++) {
|
|
x->plane[0].cuml_bins_nuq[dq] = quants->y_cuml_bins_nuq[dq][qindex];
|
|
xd->plane[0].dequant_val_nuq[dq] = cpi->y_dequant_val_nuq[dq][qindex];
|
|
}
|
|
#endif // CONFIG_NEW_QUANT
|
|
|
|
x->plane[0].quant_thred[0] = x->plane[0].zbin[0] * x->plane[0].zbin[0];
|
|
x->plane[0].quant_thred[1] = x->plane[0].zbin[1] * x->plane[0].zbin[1];
|
|
|
|
// UV
|
|
for (i = 1; i < 3; i++) {
|
|
x->plane[i].quant = quants->uv_quant[qindex];
|
|
x->plane[i].quant_fp = quants->uv_quant_fp[qindex];
|
|
x->plane[i].round_fp = quants->uv_round_fp[qindex];
|
|
x->plane[i].quant_shift = quants->uv_quant_shift[qindex];
|
|
x->plane[i].zbin = quants->uv_zbin[qindex];
|
|
x->plane[i].round = quants->uv_round[qindex];
|
|
#if CONFIG_AOM_QM
|
|
memcpy(&xd->plane[i].seg_qmatrix[segment_id], cm->gqmatrix[qmlevel][1],
|
|
sizeof(cm->gqmatrix[qmlevel][1]));
|
|
memcpy(&xd->plane[i].seg_iqmatrix[segment_id], cm->giqmatrix[qmlevel][1],
|
|
sizeof(cm->giqmatrix[qmlevel][1]));
|
|
#endif
|
|
xd->plane[i].dequant = cpi->uv_dequant[qindex];
|
|
#if CONFIG_NEW_QUANT
|
|
for (dq = 0; dq < QUANT_PROFILES; dq++) {
|
|
x->plane[i].cuml_bins_nuq[dq] = quants->uv_cuml_bins_nuq[dq][qindex];
|
|
xd->plane[i].dequant_val_nuq[dq] = cpi->uv_dequant_val_nuq[dq][qindex];
|
|
}
|
|
#endif // CONFIG_NEW_QUANT
|
|
|
|
x->plane[i].quant_thred[0] = x->plane[i].zbin[0] * x->plane[i].zbin[0];
|
|
x->plane[i].quant_thred[1] = x->plane[i].zbin[1] * x->plane[i].zbin[1];
|
|
}
|
|
|
|
x->skip_block = segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP);
|
|
x->q_index = qindex;
|
|
|
|
set_error_per_bit(x, rdmult);
|
|
|
|
av1_initialize_me_consts(cpi, x, x->q_index);
|
|
}
|
|
|
|
void av1_frame_init_quantizer(AV1_COMP *cpi) {
|
|
MACROBLOCK *const x = &cpi->td.mb;
|
|
MACROBLOCKD *const xd = &x->e_mbd;
|
|
av1_init_plane_quantizers(cpi, x, xd->mi[0]->mbmi.segment_id);
|
|
}
|
|
|
|
void av1_set_quantizer(AV1_COMMON *cm, int q) {
|
|
// quantizer has to be reinitialized with av1_init_quantizer() if any
|
|
// delta_q changes.
|
|
cm->base_qindex = q;
|
|
cm->y_dc_delta_q = 0;
|
|
cm->uv_dc_delta_q = 0;
|
|
cm->uv_ac_delta_q = 0;
|
|
}
|
|
|
|
// Table that converts 0-63 Q-range values passed in outside to the Qindex
|
|
// range used internally.
|
|
static const int quantizer_to_qindex[] = {
|
|
0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48,
|
|
52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100,
|
|
104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, 148, 152,
|
|
156, 160, 164, 168, 172, 176, 180, 184, 188, 192, 196, 200, 204,
|
|
208, 212, 216, 220, 224, 228, 232, 236, 240, 244, 249, 255,
|
|
};
|
|
|
|
int av1_quantizer_to_qindex(int quantizer) {
|
|
return quantizer_to_qindex[quantizer];
|
|
}
|
|
|
|
int av1_qindex_to_quantizer(int qindex) {
|
|
int quantizer;
|
|
|
|
for (quantizer = 0; quantizer < 64; ++quantizer)
|
|
if (quantizer_to_qindex[quantizer] >= qindex) return quantizer;
|
|
|
|
return 63;
|
|
}
|