/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved.
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <arm_neon.h>
#include <assert.h>
#include <math.h>
#include "config/aom_config.h"
#include "aom_dsp/arm/mem_neon.h"
#include "aom_dsp/arm/sum_neon.h"
#include "aom_mem/aom_mem.h"
#include "av1/common/quant_common.h"
#include "av1/common/seg_common.h"
#include "av1/encoder/av1_quantize.h"
#include "av1/encoder/encoder.h"
#include "av1/encoder/rd.h"
static inline uint16_t get_max_eob(int16x8_t v_eobmax) {
#if AOM_ARCH_AARCH64
return (uint16_t)vmaxvq_s16(v_eobmax);
#else
const int16x4_t v_eobmax_3210 =
vmax_s16(vget_low_s16(v_eobmax), vget_high_s16(v_eobmax));
const int64x1_t v_eobmax_xx32 =
vshr_n_s64(vreinterpret_s64_s16(v_eobmax_3210), 32);
const int16x4_t v_eobmax_tmp =
vmax_s16(v_eobmax_3210, vreinterpret_s16_s64(v_eobmax_xx32));
const int64x1_t v_eobmax_xxx3 =
vshr_n_s64(vreinterpret_s64_s16(v_eobmax_tmp), 16);
const int16x4_t v_eobmax_final =
vmax_s16(v_eobmax_tmp, vreinterpret_s16_s64(v_eobmax_xxx3));
return (uint16_t)vget_lane_s16(v_eobmax_final, 0);
#endif
}
static inline int16x8_t get_max_lane_eob(
const int16_t *iscan,
int16x8_t v_eobmax,
uint16x8_t v_mask) {
const int16x8_t v_iscan = vld1q_s16(&iscan[0]);
const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, vdupq_n_s16(1));
const int16x8_t v_nz_iscan = vbslq_s16(v_mask, v_iscan_plus1, vdupq_n_s16(0));
return vmaxq_s16(v_eobmax, v_nz_iscan);
}
static inline uint16x8_t quantize_fp_8(
const tran_low_t *coeff_ptr,
tran_low_t *qcoeff_ptr,
tran_low_t *dqcoeff_ptr,
int16x8_t v_quant, int16x8_t v_dequant,
int16x8_t v_round, int16x8_t v_zero) {
const int16x8_t v_coeff = load_tran_low_to_s16q(&coeff_ptr[0]);
const int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15);
const int16x8_t v_abs = vabsq_s16(v_coeff);
const int16x8_t v_tmp = vqaddq_s16(v_abs, v_round);
const int16x8_t v_tmp2 = vshrq_n_s16(vqdmulhq_s16(v_tmp, v_quant), 1);
const uint16x8_t v_nz_mask = vcgtq_s16(v_tmp2, v_zero);
const int16x8_t v_qcoeff_a = veorq_s16(v_tmp2, v_coeff_sign);
const int16x8_t v_qcoeff = vsubq_s16(v_qcoeff_a, v_coeff_sign);
const int16x8_t v_dqcoeff = vmulq_s16(v_qcoeff, v_dequant);
store_s16q_to_tran_low(&qcoeff_ptr[0], v_qcoeff);
store_s16q_to_tran_low(&dqcoeff_ptr[0], v_dqcoeff);
return v_nz_mask;
}
void av1_quantize_fp_neon(
const tran_low_t *coeff_ptr, intptr_t count,
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) {
// TODO(jingning) Decide the need of these arguments after the
// quantization process is completed.
(
void)zbin_ptr;
(
void)quant_shift_ptr;
(
void)scan;
// Quantization pass: All coefficients with index >= zero_flag are
// skippable. Note: zero_flag can be zero.
const int16x8_t v_zero = vdupq_n_s16(0);
int16x8_t v_quant = vld1q_s16(quant_ptr);
int16x8_t v_dequant = vld1q_s16(dequant_ptr);
int16x8_t v_round = vld1q_s16(round_ptr);
int16x8_t v_eobmax_76543210 = vdupq_n_s16(-1);
uint16x8_t v_nz_mask;
// process dc and the first seven ac coeffs
v_nz_mask = quantize_fp_8(coeff_ptr, qcoeff_ptr, dqcoeff_ptr, v_quant,
v_dequant, v_round, v_zero);
v_eobmax_76543210 = get_max_lane_eob(&iscan[0], v_eobmax_76543210, v_nz_mask);
// overwrite the dc constants with ac constants
v_quant = vdupq_lane_s16(vget_low_s16(v_quant), 1);
v_dequant = vdupq_lane_s16(vget_low_s16(v_dequant), 1);
v_round = vdupq_lane_s16(vget_low_s16(v_round), 1);
count -= 8;
// now process the rest of the ac coeffs
do {
coeff_ptr += 8;
qcoeff_ptr += 8;
dqcoeff_ptr += 8;
iscan += 8;
v_nz_mask = quantize_fp_8(coeff_ptr, qcoeff_ptr, dqcoeff_ptr, v_quant,
v_dequant, v_round, v_zero);
v_eobmax_76543210 = get_max_lane_eob(iscan, v_eobmax_76543210, v_nz_mask);
count -= 8;
}
while (count > 0);
*eob_ptr = get_max_eob(v_eobmax_76543210);
}
static inline uint16x8_t quantize_lp_8(
const int16_t *coeff_ptr,
int16_t *qcoeff_ptr,
int16_t *dqcoeff_ptr, int16x8_t v_quant,
int16x8_t v_dequant, int16x8_t v_round,
int16x8_t v_zero) {
const int16x8_t v_coeff = vld1q_s16(&coeff_ptr[0]);
const int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15);
const int16x8_t v_abs = vabsq_s16(v_coeff);
const int16x8_t v_tmp = vqaddq_s16(v_abs, v_round);
const int16x8_t v_tmp2 = vshrq_n_s16(vqdmulhq_s16(v_tmp, v_quant), 1);
const uint16x8_t v_nz_mask = vcgtq_s16(v_tmp2, v_zero);
const int16x8_t v_qcoeff_a = veorq_s16(v_tmp2, v_coeff_sign);
const int16x8_t v_qcoeff = vsubq_s16(v_qcoeff_a, v_coeff_sign);
const int16x8_t v_dqcoeff = vmulq_s16(v_qcoeff, v_dequant);
vst1q_s16(qcoeff_ptr, v_qcoeff);
vst1q_s16(dqcoeff_ptr, v_dqcoeff);
return v_nz_mask;
}
void av1_quantize_lp_neon(
const int16_t *coeff_ptr, intptr_t n_coeffs,
const int16_t *round_ptr,
const int16_t *quant_ptr,
int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr,
const int16_t *dequant_ptr, uint16_t *eob_ptr,
const int16_t *scan,
const int16_t *iscan) {
(
void)scan;
// Quantization pass: All coefficients with index >= zero_flag are
// skippable. Note: zero_flag can be zero.
const int16x8_t v_zero = vdupq_n_s16(0);
int16x8_t v_quant = vld1q_s16(quant_ptr);
int16x8_t v_dequant = vld1q_s16(dequant_ptr);
int16x8_t v_round = vld1q_s16(round_ptr);
int16x8_t v_eobmax_76543210 = vdupq_n_s16(-1);
uint16x8_t v_nz_mask;
intptr_t count = n_coeffs;
// process dc and the first seven ac coeffs
v_nz_mask = quantize_lp_8(coeff_ptr, qcoeff_ptr, dqcoeff_ptr, v_quant,
v_dequant, v_round, v_zero);
v_eobmax_76543210 = get_max_lane_eob(iscan, v_eobmax_76543210, v_nz_mask);
// overwrite the dc constants with ac constants
v_quant = vdupq_lane_s16(vget_low_s16(v_quant), 1);
v_dequant = vdupq_lane_s16(vget_low_s16(v_dequant), 1);
v_round = vdupq_lane_s16(vget_low_s16(v_round), 1);
count -= 8;
// now process the rest of the ac coeffs
do {
coeff_ptr += 8;
qcoeff_ptr += 8;
dqcoeff_ptr += 8;
iscan += 8;
v_nz_mask = quantize_lp_8(coeff_ptr, qcoeff_ptr, dqcoeff_ptr, v_quant,
v_dequant, v_round, v_zero);
v_eobmax_76543210 = get_max_lane_eob(iscan, v_eobmax_76543210, v_nz_mask);
count -= 8;
}
while (count != 0);
*eob_ptr = get_max_eob(v_eobmax_76543210);
}
static AOM_FORCE_INLINE uint16x8_t quantize_fp_logscale_8(
const tran_low_t *coeff_ptr, tran_low_t *qcoeff_ptr,
tran_low_t *dqcoeff_ptr, int16x8_t v_quant, int16x8_t v_dequant,
int16x8_t v_round, int16x8_t v_zero,
int log_scale) {
const int16x8_t v_log_scale_minus_1 = vdupq_n_s16(log_scale - 1);
const int16x8_t v_neg_log_scale_plus_1 = vdupq_n_s16(-(1 + log_scale));
const int16x8_t v_coeff = load_tran_low_to_s16q(coeff_ptr);
const int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15);
const int16x8_t v_abs_coeff = vabsq_s16(v_coeff);
const uint16x8_t v_mask =
vcgeq_s16(v_abs_coeff, vshlq_s16(v_dequant, v_neg_log_scale_plus_1));
// const int64_t tmp = vmask ? (int64_t)abs_coeff + log_scaled_round : 0
const int16x8_t v_tmp = vandq_s16(vqaddq_s16(v_abs_coeff, v_round),
vreinterpretq_s16_u16(v_mask));
const int16x8_t v_tmp2 =
vqdmulhq_s16(vshlq_s16(v_tmp, v_log_scale_minus_1), v_quant);
const uint16x8_t v_nz_mask = vcgtq_s16(v_tmp2, v_zero);
const int16x8_t v_qcoeff =
vsubq_s16(veorq_s16(v_tmp2, v_coeff_sign), v_coeff_sign);
// Multiplying by dequant here will use all 16 bits. Cast to unsigned before
// shifting right. (vshlq_s16 will shift right if shift value is negative)
const uint16x8_t v_abs_dqcoeff =
vshlq_u16(vreinterpretq_u16_s16(vmulq_s16(v_tmp2, v_dequant)),
vdupq_n_s16(-log_scale));
const int16x8_t v_dqcoeff =
vsubq_s16(veorq_s16(vreinterpretq_s16_u16(v_abs_dqcoeff), v_coeff_sign),
v_coeff_sign);
store_s16q_to_tran_low(qcoeff_ptr, v_qcoeff);
store_s16q_to_tran_low(dqcoeff_ptr, v_dqcoeff);
return v_nz_mask;
}
static AOM_FORCE_INLINE uint16x8_t quantize_fp_logscale2_8(
const tran_low_t *coeff_ptr, tran_low_t *qcoeff_ptr,
tran_low_t *dqcoeff_ptr, int16x8_t v_quant, int16x8_t v_dequant,
int16x8_t v_round, int16x8_t v_zero) {
const int16x8_t v_coeff = load_tran_low_to_s16q(coeff_ptr);
const int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15);
const int16x8_t v_abs_coeff = vabsq_s16(v_coeff);
const uint16x8_t v_mask =
vcgeq_u16(vshlq_n_u16(vreinterpretq_u16_s16(v_abs_coeff), 1),
vshrq_n_u16(vreinterpretq_u16_s16(v_dequant), 2));
// abs_coeff = vmask ? (int64_t)abs_coeff + log_scaled_round : 0
const int16x8_t v_tmp = vandq_s16(vqaddq_s16(v_abs_coeff, v_round),
vreinterpretq_s16_u16(v_mask));
// tmp32 = (int)((abs_coeff * quant_ptr[rc != 0]) >> (16 - log_scale));
const int16x8_t v_tmp2 =
vorrq_s16(vshlq_n_s16(vqdmulhq_s16(v_tmp, v_quant), 1),
vreinterpretq_s16_u16(vshrq_n_u16(
vreinterpretq_u16_s16(vmulq_s16(v_tmp, v_quant)), 14)));
const uint16x8_t v_nz_mask = vcgtq_s16(v_tmp2, v_zero);
const int16x8_t v_qcoeff =
vsubq_s16(veorq_s16(v_tmp2, v_coeff_sign), v_coeff_sign);
// const tran_low_t abs_dqcoeff = (tmp32 * dequant_ptr[rc != 0]) >> log_scale;
const int16x8_t v_abs_dqcoeff =
vorrq_s16(vshlq_n_s16(vqdmulhq_s16(v_tmp2, v_dequant), 13),
vreinterpretq_s16_u16(vshrq_n_u16(
vreinterpretq_u16_s16(vmulq_s16(v_tmp2, v_dequant)), 2)));
const int16x8_t v_dqcoeff =
vsubq_s16(veorq_s16(v_abs_dqcoeff, v_coeff_sign), v_coeff_sign);
store_s16q_to_tran_low(qcoeff_ptr, v_qcoeff);
store_s16q_to_tran_low(dqcoeff_ptr, v_dqcoeff);
return v_nz_mask;
}
static AOM_FORCE_INLINE
void quantize_fp_no_qmatrix_neon(
const tran_low_t *coeff_ptr, intptr_t n_coeffs,
const int16_t *round_ptr,
const int16_t *quant_ptr, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
const int16_t *dequant_ptr, uint16_t *eob_ptr,
const int16_t *iscan,
int log_scale) {
const int16x8_t v_zero = vdupq_n_s16(0);
int16x8_t v_quant = vld1q_s16(quant_ptr);
int16x8_t v_dequant = vld1q_s16(dequant_ptr);
const int16x8_t v_round_no_scale = vld1q_s16(round_ptr);
int16x8_t v_round =
vqrdmulhq_n_s16(v_round_no_scale, (int16_t)(1 << (15 - log_scale)));
int16x8_t v_eobmax_76543210 = vdupq_n_s16(-1);
intptr_t non_zero_count = n_coeffs;
assert(n_coeffs > 16);
// Pre-scan pass
const int16x8_t v_dequant_scaled =
vshlq_s16(v_dequant, vdupq_n_s16(-(1 + log_scale)));
const int16x8_t v_zbin_s16 =
vdupq_lane_s16(vget_low_s16(v_dequant_scaled), 1);
intptr_t i = n_coeffs;
do {
const int16x8_t v_coeff_a = load_tran_low_to_s16q(coeff_ptr + i - 8);
const int16x8_t v_coeff_b = load_tran_low_to_s16q(coeff_ptr + i - 16);
const int16x8_t v_abs_coeff_a = vabsq_s16(v_coeff_a);
const int16x8_t v_abs_coeff_b = vabsq_s16(v_coeff_b);
const uint16x8_t v_mask_a = vcgeq_s16(v_abs_coeff_a, v_zbin_s16);
const uint16x8_t v_mask_b = vcgeq_s16(v_abs_coeff_b, v_zbin_s16);
// If the coefficient is in the base ZBIN range, then discard.
if (horizontal_long_add_u16x8(v_mask_a, v_mask_b) == 0) {
non_zero_count -= 16;
}
else {
break;
}
i -= 16;
}
while (i > 0);
const intptr_t remaining_zcoeffs = n_coeffs - non_zero_count;
memset(qcoeff_ptr + non_zero_count, 0,
remaining_zcoeffs *
sizeof(*qcoeff_ptr));
memset(dqcoeff_ptr + non_zero_count, 0,
remaining_zcoeffs *
sizeof(*dqcoeff_ptr));
// process dc and the first seven ac coeffs
uint16x8_t v_nz_mask;
if (log_scale == 2) {
v_nz_mask = quantize_fp_logscale2_8(coeff_ptr, qcoeff_ptr, dqcoeff_ptr,
v_quant, v_dequant, v_round, v_zero);
}
else {
v_nz_mask =
quantize_fp_logscale_8(coeff_ptr, qcoeff_ptr, dqcoeff_ptr, v_quant,
v_dequant, v_round, v_zero, log_scale);
}
v_eobmax_76543210 = get_max_lane_eob(iscan, v_eobmax_76543210, v_nz_mask);
// overwrite the dc constants with ac constants
v_quant = vdupq_lane_s16(vget_low_s16(v_quant), 1);
v_dequant = vdupq_lane_s16(vget_low_s16(v_dequant), 1);
v_round = vdupq_lane_s16(vget_low_s16(v_round), 1);
for (intptr_t count = non_zero_count - 8; count > 0; count -= 8) {
coeff_ptr += 8;
qcoeff_ptr += 8;
dqcoeff_ptr += 8;
iscan += 8;
if (log_scale == 2) {
v_nz_mask = quantize_fp_logscale2_8(coeff_ptr, qcoeff_ptr, dqcoeff_ptr,
v_quant, v_dequant, v_round, v_zero);
}
else {
v_nz_mask =
quantize_fp_logscale_8(coeff_ptr, qcoeff_ptr, dqcoeff_ptr, v_quant,
v_dequant, v_round, v_zero, log_scale);
}
v_eobmax_76543210 = get_max_lane_eob(iscan, v_eobmax_76543210, v_nz_mask);
}
*eob_ptr = get_max_eob(v_eobmax_76543210);
}
void av1_quantize_fp_32x32_neon(
const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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) {
(
void)zbin_ptr;
(
void)quant_shift_ptr;
(
void)scan;
quantize_fp_no_qmatrix_neon(coeff_ptr, n_coeffs, round_ptr, quant_ptr,
qcoeff_ptr, dqcoeff_ptr, dequant_ptr, eob_ptr,
iscan, 1);
}
void av1_quantize_fp_64x64_neon(
const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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) {
(
void)zbin_ptr;
(
void)quant_shift_ptr;
(
void)scan;
quantize_fp_no_qmatrix_neon(coeff_ptr, n_coeffs, round_ptr, quant_ptr,
qcoeff_ptr, dqcoeff_ptr, dequant_ptr, eob_ptr,
iscan, 2);
}
void aom_quantize_b_neon(
const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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) {
(
void)quant_shift_ptr;
(
void)scan;
const int zbins[2] = { zbin_ptr[0], zbin_ptr[1] };
memset(qcoeff_ptr, 0, n_coeffs *
sizeof(*qcoeff_ptr));
memset(dqcoeff_ptr, 0, n_coeffs *
sizeof(*dqcoeff_ptr));
const int16x8_t zero = vdupq_n_s16(0);
int16x8_t v_eobmax_76543210 = vreinterpretq_s16_u16(vceqq_s16(zero, zero));
int16x8_t vzbins = vdupq_n_s16(zbins[1]), vround = vdupq_n_s16(round_ptr[1]);
int16x8_t vdequant = vdupq_n_s16(dequant_ptr[1]);
int16x8_t vquant = vdupq_n_s16(quant_ptr[1]);
int16x8_t vquant_shift = vdupq_n_s16(quant_shift_ptr[1]);
int16x8_t v_coeff = load_tran_low_to_s16q(&coeff_ptr[0]);
int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15);
int16x8_t v_abs = vabsq_s16(v_coeff);
vzbins = vsetq_lane_s16(zbins[0], vzbins, 0);
uint16x8_t vcond = vcgeq_s16(v_abs, vzbins);
uint64_t nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(vcond)), 0);
if (nz_check) {
vround = vsetq_lane_s16(round_ptr[0], vround, 0);
vquant = vsetq_lane_s16(quant_ptr[0], vquant, 0);
vdequant = vsetq_lane_s16(dequant_ptr[0], vdequant, 0);
vquant_shift = vsetq_lane_s16(quant_shift_ptr[0], vquant_shift, 0);
int16x8_t vtmp = vqaddq_s16(v_abs, vround);
int16x8_t vtmp2 = vsraq_n_s16(vtmp, vqdmulhq_s16(vtmp, vquant), 1);
vtmp2 = vshrq_n_s16(vqdmulhq_s16(vtmp2, vquant_shift), 1);
int16x8_t vdest = vsubq_s16(veorq_s16(vtmp2, v_coeff_sign), v_coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&qcoeff_ptr[0]));
store_s16q_to_tran_low(&qcoeff_ptr[0], coeff_nz_mask);
int16x8_t v_deq_abs = vmulq_s16(vtmp2, vdequant);
vdest = vsubq_s16(veorq_s16(v_deq_abs, v_coeff_sign), v_coeff_sign);
coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&dqcoeff_ptr[0]));
store_s16q_to_tran_low(&dqcoeff_ptr[0], coeff_nz_mask);
vround = vsetq_lane_s16(round_ptr[1], vround, 0);
vquant = vsetq_lane_s16(quant_ptr[1], vquant, 0);
vdequant = vsetq_lane_s16(dequant_ptr[1], vdequant, 0);
vquant_shift = vsetq_lane_s16(quant_shift_ptr[1], vquant_shift, 0);
uint16x8_t vtmp_mask = vcgtq_s16(vtmp2, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, vcond);
int16x8_t v_iscan = vld1q_s16(&iscan[0]);
vcond = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(vcond, v_iscan, v_eobmax_76543210);
}
vzbins = vsetq_lane_s16(zbins[1], vzbins, 0);
for (
int i = 8; i < n_coeffs; i += 8) {
v_coeff = load_tran_low_to_s16q(&coeff_ptr[i]);
v_coeff_sign = vshrq_n_s16(v_coeff, 15);
v_abs = vabsq_s16(v_coeff);
vcond = vcgeq_s16(v_abs, vzbins);
nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(vcond)), 0);
if (nz_check) {
int16x8_t vtmp = vqaddq_s16(v_abs, vround);
int16x8_t vtmp2 = vsraq_n_s16(vtmp, vqdmulhq_s16(vtmp, vquant), 1);
vtmp2 = vshrq_n_s16(vqdmulhq_s16(vtmp2, vquant_shift), 1);
int16x8_t vdest = vsubq_s16(veorq_s16(vtmp2, v_coeff_sign), v_coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&qcoeff_ptr[i]));
store_s16q_to_tran_low(&qcoeff_ptr[i], coeff_nz_mask);
int16x8_t v_deq_abs = vmulq_s16(vtmp2, vdequant);
vdest = vsubq_s16(veorq_s16(v_deq_abs, v_coeff_sign), v_coeff_sign);
coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&dqcoeff_ptr[i]));
store_s16q_to_tran_low(&dqcoeff_ptr[i], coeff_nz_mask);
uint16x8_t vtmp_mask = vcgtq_s16(vtmp2, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, vcond);
int16x8_t v_iscan = vld1q_s16(&iscan[i]);
vcond = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(vcond, v_iscan, v_eobmax_76543210);
}
}
*eob_ptr = get_max_eob(v_eobmax_76543210) + 1;
}
#define QM_MULL_SHIFT(x0, x1) \
vreinterpretq_s16_u16(vorrq_u16( \
vreinterpretq_u16_s16(vshlq_n_s16( \
vqdmulhq_s16(x0, vreinterpretq_s16_u16(x1)), 15 - AOM_QM_BITS)), \
vshrq_n_u16(vmulq_u16(vreinterpretq_u16_s16(x0), x1), AOM_QM_BITS)))
static void aom_quantize_b_helper_16x16_neon(
const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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,
const qm_val_t *qm_ptr,
const qm_val_t *iqm_ptr) {
(
void)scan;
uint16x8_t vwt, viwt;
const int zbins[2] = { zbin_ptr[0], zbin_ptr[1] };
memset(qcoeff_ptr, 0, n_coeffs *
sizeof(*qcoeff_ptr));
memset(dqcoeff_ptr, 0, n_coeffs *
sizeof(*dqcoeff_ptr));
const int16x8_t zero = vdupq_n_s16(0);
int16x8_t v_eobmax_76543210 = vreinterpretq_s16_u16(vceqq_s16(zero, zero));
int16x8_t vzbins = vdupq_n_s16(zbins[1]), vround = vdupq_n_s16(round_ptr[1]);
int16x8_t vdequant = vdupq_n_s16(dequant_ptr[1]);
int16x8_t vquant = vdupq_n_s16(quant_ptr[1]);
int16x8_t vquant_shift = vdupq_n_s16(quant_shift_ptr[1]);
int16x8_t v_coeff = load_tran_low_to_s16q(&coeff_ptr[0]);
int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15);
int16x8_t v_abs = vabsq_s16(v_coeff);
vzbins = vsetq_lane_s16(zbins[0], vzbins, 0);
uint16x8_t vcond;
if (qm_ptr == NULL) {
vcond = vcgeq_s16(v_abs, vzbins);
}
else {
vwt = vmovl_u8(vld1_u8(&qm_ptr[0]));
vcond = vcgeq_s16(QM_MULL_SHIFT(v_abs, vwt), vzbins);
}
uint64_t nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(vcond)), 0);
if (nz_check) {
vround = vsetq_lane_s16(round_ptr[0], vround, 0);
vquant = vsetq_lane_s16(quant_ptr[0], vquant, 0);
vdequant = vsetq_lane_s16(dequant_ptr[0], vdequant, 0);
vquant_shift = vsetq_lane_s16(quant_shift_ptr[0], vquant_shift, 0);
int16x8_t vtmp = vqaddq_s16(v_abs, vround);
int16x8_t vtmp2;
if (qm_ptr == NULL) {
vtmp2 = vsraq_n_s16(vtmp, vqdmulhq_s16(vtmp, vquant), 1);
}
else {
vtmp2 = QM_MULL_SHIFT(vtmp, vwt);
vtmp2 = vaddq_s16(vtmp2, vtmp);
}
vtmp2 = vshrq_n_s16(vqdmulhq_s16(vtmp2, vquant_shift), 1);
int16x8_t vdest = vsubq_s16(veorq_s16(vtmp2, v_coeff_sign), v_coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&qcoeff_ptr[0]));
store_s16q_to_tran_low(&qcoeff_ptr[0], coeff_nz_mask);
if (iqm_ptr != NULL) {
viwt = vmovl_u8(vld1_u8(&iqm_ptr[0]));
vdequant = QM_MULL_SHIFT(vdequant, viwt);
}
int16x8_t v_deq_abs = vmulq_s16(vtmp2, vdequant);
vdest = vsubq_s16(veorq_s16(v_deq_abs, v_coeff_sign), v_coeff_sign);
coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&dqcoeff_ptr[0]));
store_s16q_to_tran_low(&dqcoeff_ptr[0], coeff_nz_mask);
vround = vsetq_lane_s16(round_ptr[1], vround, 0);
vquant = vsetq_lane_s16(quant_ptr[1], vquant, 0);
vdequant = vsetq_lane_s16(dequant_ptr[1], vdequant, 0);
vquant_shift = vsetq_lane_s16(quant_shift_ptr[1], vquant_shift, 0);
uint16x8_t vtmp_mask = vcgtq_s16(vtmp2, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, vcond);
int16x8_t v_iscan = vld1q_s16(&iscan[0]);
vcond = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(vcond, v_iscan, v_eobmax_76543210);
}
vzbins = vsetq_lane_s16(zbins[1], vzbins, 0);
for (
int i = 8; i < n_coeffs; i += 8) {
v_coeff = load_tran_low_to_s16q(&coeff_ptr[i]);
v_coeff_sign = vshrq_n_s16(v_coeff, 15);
v_abs = vabsq_s16(v_coeff);
if (qm_ptr == NULL) {
vcond = vcgeq_s16(v_abs, vzbins);
}
else {
vwt = vmovl_u8(vld1_u8(&qm_ptr[i]));
vcond = vcgeq_s16(QM_MULL_SHIFT(v_abs, vwt), vzbins);
}
nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(vcond)), 0);
if (nz_check) {
int16x8_t vtmp = vqaddq_s16(v_abs, vround);
int16x8_t vtmp2;
if (qm_ptr == NULL) {
vtmp2 = vsraq_n_s16(vtmp, vqdmulhq_s16(vtmp, vquant), 1);
}
else {
vtmp2 = QM_MULL_SHIFT(vtmp, vwt);
vtmp2 = vaddq_s16(vtmp2, vtmp);
}
vtmp2 = vshrq_n_s16(vqdmulhq_s16(vtmp2, vquant_shift), 1);
int16x8_t vdest = vsubq_s16(veorq_s16(vtmp2, v_coeff_sign), v_coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&qcoeff_ptr[i]));
store_s16q_to_tran_low(&qcoeff_ptr[i], coeff_nz_mask);
if (iqm_ptr != NULL) {
viwt = vmovl_u8(vld1_u8(&iqm_ptr[i]));
vdequant = QM_MULL_SHIFT(vdequant, viwt);
}
int16x8_t v_deq_abs = vmulq_s16(vtmp2, vdequant);
vdest = vsubq_s16(veorq_s16(v_deq_abs, v_coeff_sign), v_coeff_sign);
coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&dqcoeff_ptr[i]));
store_s16q_to_tran_low(&dqcoeff_ptr[i], coeff_nz_mask);
uint16x8_t vtmp_mask = vcgtq_s16(vtmp2, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, vcond);
int16x8_t v_iscan = vld1q_s16(&iscan[i]);
vcond = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(vcond, v_iscan, v_eobmax_76543210);
}
}
*eob_ptr = get_max_eob(v_eobmax_76543210) + 1;
}
static void aom_quantize_b_helper_32x32_neon(
const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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,
const qm_val_t *qm_ptr,
const qm_val_t *iqm_ptr) {
(
void)scan;
uint16x8_t vwt, viwt;
const int log_scale = 1;
const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0], log_scale),
ROUND_POWER_OF_TWO(zbin_ptr[1], log_scale) };
memset(qcoeff_ptr, 0, n_coeffs *
sizeof(*qcoeff_ptr));
memset(dqcoeff_ptr, 0, n_coeffs *
sizeof(*dqcoeff_ptr));
const int16x8_t zero = vdupq_n_s16(0);
int16x8_t v_eobmax_76543210 = vreinterpretq_s16_u16(vceqq_s16(zero, zero));
const int16x8_t v_log_scale = v_eobmax_76543210;
int16x8_t vzbins = vdupq_n_s16(zbins[1]),
vround = vdupq_n_s16(ROUND_POWER_OF_TWO(round_ptr[1], log_scale));
int16x8_t vdequant = vdupq_n_s16(dequant_ptr[1]);
int16x8_t vquant = vdupq_n_s16(quant_ptr[1]);
int16x8_t vquant_shift = vdupq_n_s16(quant_shift_ptr[1]);
int16x8_t v_coeff = load_tran_low_to_s16q(&coeff_ptr[0]);
int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15);
int16x8_t v_abs = vabsq_s16(v_coeff);
vzbins = vsetq_lane_s16(zbins[0], vzbins, 0);
uint16x8_t vcond;
if (qm_ptr == NULL) {
vcond = vcgeq_s16(v_abs, vzbins);
}
else {
vwt = vmovl_u8(vld1_u8(&qm_ptr[0]));
vcond = vcgeq_s16(QM_MULL_SHIFT(v_abs, vwt), vzbins);
}
uint64_t nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(vcond)), 0);
if (nz_check) {
vround =
vsetq_lane_s16(ROUND_POWER_OF_TWO(round_ptr[0], log_scale), vround, 0);
vquant = vsetq_lane_s16(quant_ptr[0], vquant, 0);
vdequant = vsetq_lane_s16(dequant_ptr[0], vdequant, 0);
vquant_shift = vsetq_lane_s16(quant_shift_ptr[0], vquant_shift, 0);
int16x8_t vtmp = vqaddq_s16(v_abs, vround);
int16x8_t vtmp2;
if (qm_ptr == NULL) {
vtmp2 = vsraq_n_s16(vtmp, vqdmulhq_s16(vtmp, vquant), 1);
}
else {
vtmp2 = QM_MULL_SHIFT(vtmp, vwt);
vtmp2 = vaddq_s16(vtmp2, vtmp);
}
vtmp2 = vqdmulhq_s16(vtmp2, vquant_shift);
int16x8_t vdest = vsubq_s16(veorq_s16(vtmp2, v_coeff_sign), v_coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&qcoeff_ptr[0]));
store_s16q_to_tran_low(&qcoeff_ptr[0], coeff_nz_mask);
if (iqm_ptr != NULL) {
viwt = vmovl_u8(vld1_u8(&iqm_ptr[0]));
vdequant = QM_MULL_SHIFT(vdequant, viwt);
}
int16x8_t v_deq_abs = vreinterpretq_s16_u16(vshlq_u16(
vreinterpretq_u16_s16(vmulq_s16(vtmp2, vdequant)), v_log_scale));
vdest = vsubq_s16(veorq_s16(v_deq_abs, v_coeff_sign), v_coeff_sign);
coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&dqcoeff_ptr[0]));
store_s16q_to_tran_low(&dqcoeff_ptr[0], coeff_nz_mask);
vzbins = vsetq_lane_s16(zbins[1], vzbins, 0);
vround =
vsetq_lane_s16(ROUND_POWER_OF_TWO(round_ptr[1], log_scale), vround, 0);
vquant = vsetq_lane_s16(quant_ptr[1], vquant, 0);
vdequant = vsetq_lane_s16(dequant_ptr[1], vdequant, 0);
vquant_shift = vsetq_lane_s16(quant_shift_ptr[1], vquant_shift, 0);
uint16x8_t vtmp_mask = vcgtq_s16(vtmp2, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, vcond);
int16x8_t v_iscan = vld1q_s16(&iscan[0]);
vcond = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(vcond, v_iscan, v_eobmax_76543210);
}
vzbins = vsetq_lane_s16(zbins[1], vzbins, 0);
for (
int i = 8; i < n_coeffs; i += 8) {
v_coeff = load_tran_low_to_s16q(&coeff_ptr[i]);
v_coeff_sign = vshrq_n_s16(v_coeff, 15);
v_abs = vabsq_s16(v_coeff);
if (qm_ptr == NULL) {
vcond = vcgeq_s16(v_abs, vzbins);
}
else {
vwt = vmovl_u8(vld1_u8(&qm_ptr[i]));
vcond = vcgeq_s16(QM_MULL_SHIFT(v_abs, vwt), vzbins);
}
nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(vcond)), 0);
if (nz_check) {
int16x8_t vtmp = vqaddq_s16(v_abs, vround);
int16x8_t vtmp2;
if (qm_ptr == NULL) {
vtmp2 = vsraq_n_s16(vtmp, vqdmulhq_s16(vtmp, vquant), 1);
}
else {
vtmp2 = QM_MULL_SHIFT(vtmp, vwt);
vtmp2 = vaddq_s16(vtmp2, vtmp);
}
vtmp2 = vqdmulhq_s16(vtmp2, vquant_shift);
int16x8_t vdest = vsubq_s16(veorq_s16(vtmp2, v_coeff_sign), v_coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&qcoeff_ptr[i]));
store_s16q_to_tran_low(&qcoeff_ptr[i], coeff_nz_mask);
if (iqm_ptr != NULL) {
viwt = vmovl_u8(vld1_u8(&iqm_ptr[i]));
vdequant = QM_MULL_SHIFT(vdequant, viwt);
}
int16x8_t v_deq_abs = vreinterpretq_s16_u16(vshlq_u16(
vreinterpretq_u16_s16(vmulq_s16(vtmp2, vdequant)), v_log_scale));
vdest = vsubq_s16(veorq_s16(v_deq_abs, v_coeff_sign), v_coeff_sign);
coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&dqcoeff_ptr[i]));
store_s16q_to_tran_low(&dqcoeff_ptr[i], coeff_nz_mask);
uint16x8_t vtmp_mask = vcgtq_s16(vtmp2, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, vcond);
int16x8_t v_iscan = vld1q_s16(&iscan[i]);
vcond = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(vcond, v_iscan, v_eobmax_76543210);
}
}
*eob_ptr = get_max_eob(v_eobmax_76543210) + 1;
}
static void aom_quantize_b_helper_64x64_neon(
const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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,
const qm_val_t *qm_ptr,
const qm_val_t *iqm_ptr) {
(
void)scan;
uint16x8_t vwt, viwt;
const int log_scale = 2;
const int16x8_t v_log_scale =
vreinterpretq_s16_s64(vdupq_n_s64(0xFFFEFFFEFFFEFFFE));
const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0], log_scale),
ROUND_POWER_OF_TWO(zbin_ptr[1], log_scale) };
memset(qcoeff_ptr, 0, n_coeffs *
sizeof(*qcoeff_ptr));
memset(dqcoeff_ptr, 0, n_coeffs *
sizeof(*dqcoeff_ptr));
const int16x8_t zero = vdupq_n_s16(0);
int16x8_t v_eobmax_76543210 = vreinterpretq_s16_u16(vceqq_s16(zero, zero));
int16x8_t v_ones = vnegq_s16(v_eobmax_76543210);
int16x8_t vzbins = vdupq_n_s16(zbins[1]),
vround = vdupq_n_s16(ROUND_POWER_OF_TWO(round_ptr[1], log_scale));
int16x8_t vdequant = vdupq_n_s16(dequant_ptr[1]);
int16x8_t vquant = vdupq_n_s16(quant_ptr[1]);
int16x8_t vquant_shift = vdupq_n_s16(quant_shift_ptr[1]);
int16x8_t v_coeff = load_tran_low_to_s16q(&coeff_ptr[0]);
int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15);
int16x8_t v_abs = vabsq_s16(v_coeff);
vzbins = vsetq_lane_s16(zbins[0], vzbins, 0);
uint16x8_t vcond;
if (qm_ptr == NULL) {
vcond = vcgeq_s16(v_abs, vzbins);
}
else {
vwt = vmovl_u8(vld1_u8(&qm_ptr[0]));
vcond = vcgeq_s16(QM_MULL_SHIFT(v_abs, vwt), vzbins);
}
uint64_t nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(vcond)), 0);
if (nz_check) {
vround =
vsetq_lane_s16(ROUND_POWER_OF_TWO(round_ptr[0], log_scale), vround, 0);
vquant = vsetq_lane_s16(quant_ptr[0], vquant, 0);
vdequant = vsetq_lane_s16(dequant_ptr[0], vdequant, 0);
vquant_shift = vsetq_lane_s16(quant_shift_ptr[0], vquant_shift, 0);
int16x8_t vtmp = vqaddq_s16(v_abs, vround);
int16x8_t vtmp2;
if (qm_ptr == NULL) {
vtmp2 = vsraq_n_s16(vtmp, vqdmulhq_s16(vtmp, vquant), 1);
}
else {
vtmp2 = QM_MULL_SHIFT(vtmp, vwt);
vtmp2 = vaddq_s16(vtmp2, vtmp);
}
int16x8_t ones =
vandq_s16(vshrq_n_s16(vmulq_s16(vtmp2, vquant_shift), 14), v_ones);
vtmp2 =
vaddq_s16(vshlq_s16(vqdmulhq_s16(vtmp2, vquant_shift), v_ones), ones);
int16x8_t vdest = vsubq_s16(veorq_s16(vtmp2, v_coeff_sign), v_coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&qcoeff_ptr[0]));
store_s16q_to_tran_low(&qcoeff_ptr[0], coeff_nz_mask);
if (iqm_ptr != NULL) {
viwt = vmovl_u8(vld1_u8(&iqm_ptr[0]));
vdequant = QM_MULL_SHIFT(vdequant, viwt);
}
int16x8_t v_deq_abs = vreinterpretq_s16_u16(vshlq_u16(
vreinterpretq_u16_s16(vmulq_s16(vtmp2, vdequant)), v_log_scale));
v_deq_abs =
vorrq_s16(vshlq_n_s16(vqdmulhq_s16(vtmp2, vdequant), 13), v_deq_abs);
vdest = vsubq_s16(veorq_s16(v_deq_abs, v_coeff_sign), v_coeff_sign);
coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&dqcoeff_ptr[0]));
store_s16q_to_tran_low(&dqcoeff_ptr[0], coeff_nz_mask);
vround =
vsetq_lane_s16(ROUND_POWER_OF_TWO(round_ptr[1], log_scale), vround, 0);
vquant = vsetq_lane_s16(quant_ptr[1], vquant, 0);
vdequant = vsetq_lane_s16(dequant_ptr[1], vdequant, 0);
vquant_shift = vsetq_lane_s16(quant_shift_ptr[1], vquant_shift, 0);
uint16x8_t vtmp_mask = vcgtq_s16(vtmp2, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, vcond);
int16x8_t v_iscan = vld1q_s16(&iscan[0]);
vcond = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(vcond, v_iscan, v_eobmax_76543210);
}
vzbins = vsetq_lane_s16(zbins[1], vzbins, 0);
for (
int i = 8; i < n_coeffs; i += 8) {
v_coeff = load_tran_low_to_s16q(&coeff_ptr[i]);
v_coeff_sign = vshrq_n_s16(v_coeff, 15);
v_abs = vabsq_s16(v_coeff);
if (qm_ptr == NULL) {
vcond = vcgeq_s16(v_abs, vzbins);
}
else {
vwt = vmovl_u8(vld1_u8(&qm_ptr[i]));
vcond = vcgeq_s16(QM_MULL_SHIFT(v_abs, vwt), vzbins);
}
nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(vcond)), 0);
if (nz_check) {
int16x8_t vtmp = vqaddq_s16(v_abs, vround);
int16x8_t vtmp2;
if (qm_ptr == NULL) {
vtmp2 = vsraq_n_s16(vtmp, vqdmulhq_s16(vtmp, vquant), 1);
}
else {
vtmp2 = QM_MULL_SHIFT(vtmp, vwt);
vtmp2 = vaddq_s16(vtmp2, vtmp);
}
int16x8_t ones =
vandq_s16(vshrq_n_s16(vmulq_s16(vtmp2, vquant_shift), 14), v_ones);
vtmp2 =
vaddq_s16(vshlq_s16(vqdmulhq_s16(vtmp2, vquant_shift), v_ones), ones);
int16x8_t vdest = vsubq_s16(veorq_s16(vtmp2, v_coeff_sign), v_coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&qcoeff_ptr[i]));
store_s16q_to_tran_low(&qcoeff_ptr[i], coeff_nz_mask);
if (iqm_ptr != NULL) {
viwt = vmovl_u8(vld1_u8(&iqm_ptr[i]));
vdequant = QM_MULL_SHIFT(vdequant, viwt);
}
int16x8_t v_deq_abs = vreinterpretq_s16_u16(vshlq_u16(
vreinterpretq_u16_s16(vmulq_s16(vtmp2, vdequant)), v_log_scale));
v_deq_abs =
vorrq_s16(vshlq_n_s16(vqdmulhq_s16(vtmp2, vdequant), 13), v_deq_abs);
vdest = vsubq_s16(veorq_s16(v_deq_abs, v_coeff_sign), v_coeff_sign);
coeff_nz_mask =
vbslq_s16(vcond, vdest, load_tran_low_to_s16q(&dqcoeff_ptr[i]));
store_s16q_to_tran_low(&dqcoeff_ptr[i], coeff_nz_mask);
uint16x8_t vtmp_mask = vcgtq_s16(vtmp2, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, vcond);
int16x8_t v_iscan = vld1q_s16(&iscan[i]);
vcond = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(vcond, v_iscan, v_eobmax_76543210);
}
}
*eob_ptr = get_max_eob(v_eobmax_76543210) + 1;
}
void aom_quantize_b_helper_neon(
const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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,
const qm_val_t *qm_ptr,
const qm_val_t *iqm_ptr,
const int log_scale) {
switch (log_scale) {
// log_scale for AV1 encoder can be only 0, 1, 2
case 0:
aom_quantize_b_helper_16x16_neon(coeff_ptr, n_coeffs, zbin_ptr, round_ptr,
quant_ptr, quant_shift_ptr, qcoeff_ptr,
dqcoeff_ptr, dequant_ptr, eob_ptr, scan,
iscan, qm_ptr, iqm_ptr);
break;
case 1:
aom_quantize_b_helper_32x32_neon(coeff_ptr, n_coeffs, zbin_ptr, round_ptr,
quant_ptr, quant_shift_ptr, qcoeff_ptr,
dqcoeff_ptr, dequant_ptr, eob_ptr, scan,
iscan, qm_ptr, iqm_ptr);
break;
case 2:
aom_quantize_b_helper_64x64_neon(coeff_ptr, n_coeffs, zbin_ptr, round_ptr,
quant_ptr, quant_shift_ptr, qcoeff_ptr,
dqcoeff_ptr, dequant_ptr, eob_ptr, scan,
iscan, qm_ptr, iqm_ptr);
break;
}
}
void aom_quantize_b_32x32_neon(
const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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) {
aom_quantize_b_helper_neon(coeff_ptr, n_coeffs, zbin_ptr, round_ptr,
quant_ptr, quant_shift_ptr, qcoeff_ptr,
dqcoeff_ptr, dequant_ptr, eob_ptr, scan, iscan,
NULL, NULL, 1);
}
void aom_quantize_b_64x64_neon(
const tran_low_t *coeff_ptr, intptr_t n_coeffs,
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) {
aom_quantize_b_helper_neon(coeff_ptr, n_coeffs, zbin_ptr, round_ptr,
quant_ptr, quant_shift_ptr, qcoeff_ptr,
dqcoeff_ptr, dequant_ptr, eob_ptr, scan, iscan,
NULL, NULL, 2);
}
