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/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. If the
* Alliance for Open Media Patent License 1.0 was not distributed with this
* source code in the PATENTS file, you can obtain it at
* aomedia.org/license/patent-license/.
*/
#include <arm_neon.h>
#include <math.h>
#include "aom_mem/aom_mem.h"
#include "av1/common/quant_common.h"
#include "av1/common/seg_common.h"
#include "av1/common/arm/mem_neon.h"
#include "av1/encoder/av1_quantize.h"
#include "av1/encoder/encoder.h"
#include "av1/encoder/rd.h"
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.
int i;
const int16x8_t v_zero = vdupq_n_s16(0);
const int16x8_t v_one = vdupq_n_s16(1);
int16x8_t v_eobmax_76543210 = vdupq_n_s16(-1);
int16x8_t v_round = vmovq_n_s16(round_ptr[1]);
int16x8_t v_quant = vmovq_n_s16(quant_ptr[1]);
int16x8_t v_dequant = vmovq_n_s16(dequant_ptr[1]);
// adjust for dc
v_round = vsetq_lane_s16(round_ptr[0], v_round, 0);
v_quant = vsetq_lane_s16(quant_ptr[0], v_quant, 0);
v_dequant = vsetq_lane_s16(dequant_ptr[0], v_dequant, 0);
// process dc and the first seven ac coeffs
{
const int16x8_t v_iscan = vld1q_s16(&iscan[0]);
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 int32x4_t v_tmp_lo =
vmull_s16(vget_low_s16(v_tmp), vget_low_s16(v_quant));
const int32x4_t v_tmp_hi =
vmull_s16(vget_high_s16(v_tmp), vget_high_s16(v_quant));
const int16x8_t v_tmp2 =
vcombine_s16(vshrn_n_s32(v_tmp_lo, 16), vshrn_n_s32(v_tmp_hi, 16));
const uint16x8_t v_nz_mask = vceqq_s16(v_tmp2, v_zero);
const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, v_one);
const int16x8_t v_nz_iscan = vbslq_s16(v_nz_mask, v_zero, v_iscan_plus1);
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);
v_eobmax_76543210 = vmaxq_s16(v_eobmax_76543210, v_nz_iscan);
store_s16q_to_tran_low(&qcoeff_ptr[0], v_qcoeff);
store_s16q_to_tran_low(&dqcoeff_ptr[0], v_dqcoeff);
v_round = vmovq_n_s16(round_ptr[1]);
v_quant = vmovq_n_s16(quant_ptr[1]);
v_dequant = vmovq_n_s16(dequant_ptr[1]);
}
// now process the rest of the ac coeffs
for (i = 8; i < count; i += 8) {
const int16x8_t v_iscan = vld1q_s16(&iscan[i]);
const int16x8_t v_coeff = load_tran_low_to_s16q(&coeff_ptr[i]);
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 int32x4_t v_tmp_lo =
vmull_s16(vget_low_s16(v_tmp), vget_low_s16(v_quant));
const int32x4_t v_tmp_hi =
vmull_s16(vget_high_s16(v_tmp), vget_high_s16(v_quant));
const int16x8_t v_tmp2 =
vcombine_s16(vshrn_n_s32(v_tmp_lo, 16), vshrn_n_s32(v_tmp_hi, 16));
const uint16x8_t v_nz_mask = vceqq_s16(v_tmp2, v_zero);
const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, v_one);
const int16x8_t v_nz_iscan = vbslq_s16(v_nz_mask, v_zero, v_iscan_plus1);
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);
v_eobmax_76543210 = vmaxq_s16(v_eobmax_76543210, v_nz_iscan);
store_s16q_to_tran_low(&qcoeff_ptr[i], v_qcoeff);
store_s16q_to_tran_low(&dqcoeff_ptr[i], v_dqcoeff);
}
#ifdef __aarch64__
*eob_ptr = vmaxvq_s16(v_eobmax_76543210);
#else
{
const int16x4_t v_eobmax_3210 = vmax_s16(vget_low_s16(v_eobmax_76543210),
vget_high_s16(v_eobmax_76543210));
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));
*eob_ptr = (uint16_t)vget_lane_s16(v_eobmax_final, 0);
}
#endif // __aarch64__
}
static INLINE void calculate_dqcoeff_lp_and_store(const int16x8_t qcoeff,
const int16x8_t dequant,
int16_t *dqcoeff) {
const int32x4_t dqcoeff_0 =
vmull_s16(vget_low_s16(qcoeff), vget_low_s16(dequant));
const int32x4_t dqcoeff_1 =
vmull_s16(vget_high_s16(qcoeff), vget_high_s16(dequant));
vst1q_s16(dqcoeff, vcombine_s16(vmovn_s32(dqcoeff_0), vmovn_s32(dqcoeff_1)));
}
void av1_quantize_lp_neon(const int16_t *coeff_ptr, intptr_t count,
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) {
// 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);
const int16x8_t v_one = vdupq_n_s16(1);
int16x8_t v_eobmax_76543210 = vdupq_n_s16(-1);
int16x8_t v_round = vmovq_n_s16(round_ptr[1]);
int16x8_t v_quant = vmovq_n_s16(quant_ptr[1]);
int16x8_t v_dequant = vmovq_n_s16(dequant_ptr[1]);
// adjust for dc
v_round = vsetq_lane_s16(round_ptr[0], v_round, 0);
v_quant = vsetq_lane_s16(quant_ptr[0], v_quant, 0);
v_dequant = vsetq_lane_s16(dequant_ptr[0], v_dequant, 0);
// process dc and the first seven ac coeffs
{
const int16x8_t v_iscan = vld1q_s16(&scan[0]);
const int16x8_t v_coeff = vld1q_s16(coeff_ptr);
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 int32x4_t v_tmp_lo =
vmull_s16(vget_low_s16(v_tmp), vget_low_s16(v_quant));
const int32x4_t v_tmp_hi =
vmull_s16(vget_high_s16(v_tmp), vget_high_s16(v_quant));
const int16x8_t v_tmp2 =
vcombine_s16(vshrn_n_s32(v_tmp_lo, 16), vshrn_n_s32(v_tmp_hi, 16));
const uint16x8_t v_nz_mask = vceqq_s16(v_tmp2, v_zero);
const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, v_one);
const int16x8_t v_nz_iscan = vbslq_s16(v_nz_mask, v_zero, v_iscan_plus1);
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);
calculate_dqcoeff_lp_and_store(v_qcoeff, v_dequant, dqcoeff_ptr);
v_eobmax_76543210 = vmaxq_s16(v_eobmax_76543210, v_nz_iscan);
vst1q_s16(qcoeff_ptr, v_qcoeff);
v_round = vmovq_n_s16(round_ptr[1]);
v_quant = vmovq_n_s16(quant_ptr[1]);
v_dequant = vmovq_n_s16(dequant_ptr[1]);
}
// now process the rest of the ac coeffs
for (int i = 8; i < count; i += 8) {
const int16x8_t v_iscan = vld1q_s16(&scan[i]);
const int16x8_t v_coeff = vld1q_s16(coeff_ptr + i);
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 int32x4_t v_tmp_lo =
vmull_s16(vget_low_s16(v_tmp), vget_low_s16(v_quant));
const int32x4_t v_tmp_hi =
vmull_s16(vget_high_s16(v_tmp), vget_high_s16(v_quant));
const int16x8_t v_tmp2 =
vcombine_s16(vshrn_n_s32(v_tmp_lo, 16), vshrn_n_s32(v_tmp_hi, 16));
const uint16x8_t v_nz_mask = vceqq_s16(v_tmp2, v_zero);
const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, v_one);
const int16x8_t v_nz_iscan = vbslq_s16(v_nz_mask, v_zero, v_iscan_plus1);
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);
calculate_dqcoeff_lp_and_store(v_qcoeff, v_dequant, dqcoeff_ptr + i);
v_eobmax_76543210 = vmaxq_s16(v_eobmax_76543210, v_nz_iscan);
vst1q_s16(qcoeff_ptr + i, v_qcoeff);
}
#ifdef __aarch64__
*eob_ptr = vmaxvq_s16(v_eobmax_76543210);
#else
{
const int16x4_t v_eobmax_3210 = vmax_s16(vget_low_s16(v_eobmax_76543210),
vget_high_s16(v_eobmax_76543210));
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));
*eob_ptr = (uint16_t)vget_lane_s16(v_eobmax_final, 0);
}
#endif // __aarch64__
}
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) {
const int log_scale = 1;
const int rounding[2] = { ROUND_POWER_OF_TWO(round_ptr[0], log_scale),
ROUND_POWER_OF_TWO(round_ptr[1], log_scale) };
(void)zbin_ptr;
(void)quant_shift_ptr;
(void)scan;
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 round = vdupq_n_s16(rounding[1]);
int16x8_t quant = vdupq_n_s16(quant_ptr[1]);
int16x8_t dequant = vdupq_n_s16(dequant_ptr[1]);
dequant = vsetq_lane_s16(dequant_ptr[0], dequant, 0);
int16x8_t coeff = load_tran_low_to_s16q(&coeff_ptr[0]);
int16x8_t abs = vabsq_s16(coeff);
uint16x8_t check = vcgeq_s16(abs, vshrq_n_s16(dequant, 2));
uint64_t nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(check)), 0);
if (nz_check) {
const int16x8_t coeff_sign = vshrq_n_s16(coeff, 15);
const int16x8_t v_iscan = vld1q_s16(&iscan[0]);
round = vsetq_lane_s16(rounding[0], round, 0);
quant = vsetq_lane_s16(quant_ptr[0], quant, 0);
abs = vqaddq_s16(abs, round);
int16x8_t temp = vqdmulhq_s16(abs, quant);
int16x8_t qcoeff_temp = vsubq_s16(veorq_s16(temp, coeff_sign), coeff_sign);
abs = vreinterpretq_s16_u16(
vshrq_n_u16(vreinterpretq_u16_s16(vmulq_s16(temp, dequant)), 1));
int16x8_t dqcoeff_temp = vsubq_s16(veorq_s16(abs, coeff_sign), coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(check, qcoeff_temp, load_tran_low_to_s16q(&qcoeff_ptr[0]));
store_s16q_to_tran_low(&qcoeff_ptr[0], coeff_nz_mask);
coeff_nz_mask =
vbslq_s16(check, dqcoeff_temp, load_tran_low_to_s16q(&dqcoeff_ptr[0]));
store_s16q_to_tran_low(&dqcoeff_ptr[0], coeff_nz_mask);
round = vsetq_lane_s16(rounding[1], round, 0);
quant = vsetq_lane_s16(quant_ptr[1], quant, 0);
uint16x8_t vtmp_mask = vcgtq_s16(abs, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, check);
check = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(check, v_iscan, v_eobmax_76543210);
}
dequant = vsetq_lane_s16(dequant_ptr[1], dequant, 0);
for (int i = 8; i < n_coeffs; i += 8) {
coeff = load_tran_low_to_s16q(&coeff_ptr[i]);
abs = vabsq_s16(coeff);
check = vcgeq_s16(abs, vshrq_n_s16(dequant, 2));
nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(check)), 0);
if (nz_check) {
const int16x8_t coeff_sign = vshrq_n_s16(coeff, 15);
const int16x8_t v_iscan = vld1q_s16(&iscan[i]);
abs = vqaddq_s16(abs, round);
int16x8_t temp = vqdmulhq_s16(abs, quant);
int16x8_t qcoeff_temp =
vsubq_s16(veorq_s16(temp, coeff_sign), coeff_sign);
abs = vreinterpretq_s16_u16(
vshrq_n_u16(vreinterpretq_u16_s16(vmulq_s16(temp, dequant)), 1));
int16x8_t dqcoeff_temp =
vsubq_s16(veorq_s16(abs, coeff_sign), coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(check, qcoeff_temp, load_tran_low_to_s16q(&qcoeff_ptr[i]));
store_s16q_to_tran_low(&qcoeff_ptr[i], coeff_nz_mask);
coeff_nz_mask = vbslq_s16(check, dqcoeff_temp,
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(abs, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, check);
check = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(check, v_iscan, v_eobmax_76543210);
}
}
#ifdef __aarch64__
*eob_ptr = vmaxvq_s16(v_eobmax_76543210) + 1;
#else
{
const int16x4_t v_eobmax_3210 = vmax_s16(vget_low_s16(v_eobmax_76543210),
vget_high_s16(v_eobmax_76543210));
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));
*eob_ptr = (uint16_t)vget_lane_s16(v_eobmax_final, 0) + 1;
}
#endif // __aarch64__
}
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) {
const int log_scale = 2;
const int16x8_t v_log_scale =
vreinterpretq_s16_s64(vdupq_n_s64(0xFFFEFFFEFFFEFFFE));
const int rounding[2] = { ROUND_POWER_OF_TWO(round_ptr[0], log_scale),
ROUND_POWER_OF_TWO(round_ptr[1], log_scale) };
(void)zbin_ptr;
(void)quant_shift_ptr;
(void)scan;
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 round = vdupq_n_s16(rounding[1]);
int16x8_t quant = vdupq_n_s16(quant_ptr[1]);
int16x8_t dequant = vdupq_n_s16(dequant_ptr[1]);
dequant = vsetq_lane_s16(dequant_ptr[0], dequant, 0);
int16x8_t coeff = load_tran_low_to_s16q(&coeff_ptr[0]);
int16x8_t abs = vabsq_s16(coeff);
uint16x8_t check = vcgeq_u16(vshlq_n_u16(vreinterpretq_u16_s16(abs), 1),
vshrq_n_u16(vreinterpretq_u16_s16(dequant), 2));
uint64_t nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(check)), 0);
if (nz_check) {
const int16x8_t coeff_sign = vshrq_n_s16(coeff, 15);
const int16x8_t v_iscan = vld1q_s16(&iscan[0]);
round = vsetq_lane_s16(rounding[0], round, 0);
quant = vsetq_lane_s16(quant_ptr[0], quant, 0);
abs = vqaddq_s16(abs, round);
int16x8_t temp =
vorrq_s16(vshlq_n_s16(vqdmulhq_s16(abs, quant), 1),
vreinterpretq_s16_u16(vshrq_n_u16(
vreinterpretq_u16_s16(vmulq_s16(abs, quant)), 14)));
int16x8_t qcoeff_temp = vsubq_s16(veorq_s16(temp, coeff_sign), coeff_sign);
abs = vreinterpretq_s16_u16(vshlq_u16(
vreinterpretq_u16_s16(vmulq_s16(temp, dequant)), v_log_scale));
abs = vorrq_s16(vshlq_n_s16(vqdmulhq_s16(temp, dequant), 13), abs);
int16x8_t dqcoeff_temp = vsubq_s16(veorq_s16(abs, coeff_sign), coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(check, qcoeff_temp, load_tran_low_to_s16q(&qcoeff_ptr[0]));
store_s16q_to_tran_low(&qcoeff_ptr[0], coeff_nz_mask);
coeff_nz_mask =
vbslq_s16(check, dqcoeff_temp, load_tran_low_to_s16q(&dqcoeff_ptr[0]));
store_s16q_to_tran_low(&dqcoeff_ptr[0], coeff_nz_mask);
round = vsetq_lane_s16(rounding[1], round, 0);
quant = vsetq_lane_s16(quant_ptr[1], quant, 0);
uint16x8_t vtmp_mask = vcgtq_s16(abs, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, check);
check = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(check, v_iscan, v_eobmax_76543210);
}
dequant = vsetq_lane_s16(dequant_ptr[1], dequant, 0);
for (int i = 8; i < n_coeffs; i += 8) {
coeff = load_tran_low_to_s16q(&coeff_ptr[i]);
abs = vabsq_s16(coeff);
check = vcgeq_u16(vshlq_n_u16(vreinterpretq_u16_s16(abs), 1),
vshrq_n_u16(vreinterpretq_u16_s16(dequant), 2));
nz_check = vget_lane_u64(vreinterpret_u64_u8(vmovn_u16(check)), 0);
if (nz_check) {
const int16x8_t coeff_sign = vshrq_n_s16(coeff, 15);
const int16x8_t v_iscan = vld1q_s16(&iscan[i]);
abs = vqaddq_s16(abs, round);
int16x8_t temp =
vorrq_s16(vshlq_n_s16(vqdmulhq_s16(abs, quant), 1),
vreinterpretq_s16_u16(vshrq_n_u16(
vreinterpretq_u16_s16(vmulq_s16(abs, quant)), 14)));
int16x8_t qcoeff_temp =
vsubq_s16(veorq_s16(temp, coeff_sign), coeff_sign);
abs = vreinterpretq_s16_u16(vshlq_u16(
vreinterpretq_u16_s16(vmulq_s16(temp, dequant)), v_log_scale));
abs = vorrq_s16(vshlq_n_s16(vqdmulhq_s16(temp, dequant), 13), abs);
int16x8_t dqcoeff_temp =
vsubq_s16(veorq_s16(abs, coeff_sign), coeff_sign);
int16x8_t coeff_nz_mask =
vbslq_s16(check, qcoeff_temp, load_tran_low_to_s16q(&qcoeff_ptr[i]));
store_s16q_to_tran_low(&qcoeff_ptr[i], coeff_nz_mask);
coeff_nz_mask = vbslq_s16(check, dqcoeff_temp,
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(abs, zero);
const uint16x8_t v_nz_mask = vandq_u16(vtmp_mask, check);
check = vandq_u16(v_nz_mask, vcgtq_s16(v_iscan, v_eobmax_76543210));
v_eobmax_76543210 = vbslq_s16(check, v_iscan, v_eobmax_76543210);
}
}
#ifdef __aarch64__
*eob_ptr = vmaxvq_s16(v_eobmax_76543210) + 1;
#else
{
const int16x4_t v_eobmax_3210 = vmax_s16(vget_low_s16(v_eobmax_76543210),
vget_high_s16(v_eobmax_76543210));
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));
*eob_ptr = (uint16_t)vget_lane_s16(v_eobmax_final, 0) + 1;
}
#endif // __aarch64__
}
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);
}
}
#ifdef __aarch64__
*eob_ptr = vmaxvq_s16(v_eobmax_76543210) + 1;
#else
{
const int16x4_t v_eobmax_3210 = vmax_s16(vget_low_s16(v_eobmax_76543210),
vget_high_s16(v_eobmax_76543210));
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));
*eob_ptr = (uint16_t)vget_lane_s16(v_eobmax_final, 0) + 1;
}
#endif // __aarch64__
}
#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);
}
}
#ifdef __aarch64__
*eob_ptr = vmaxvq_s16(v_eobmax_76543210) + 1;
#else
{
const int16x4_t v_eobmax_3210 = vmax_s16(vget_low_s16(v_eobmax_76543210),
vget_high_s16(v_eobmax_76543210));
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));
*eob_ptr = (uint16_t)vget_lane_s16(v_eobmax_final, 0) + 1;
}
#endif // __aarch64__
}
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);
}
}
#ifdef __aarch64__
*eob_ptr = vmaxvq_s16(v_eobmax_76543210) + 1;
#else
{
const int16x4_t v_eobmax_3210 = vmax_s16(vget_low_s16(v_eobmax_76543210),
vget_high_s16(v_eobmax_76543210));
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));
*eob_ptr = (uint16_t)vget_lane_s16(v_eobmax_final, 0) + 1;
}
#endif // __aarch64__
}
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);
}
}
#ifdef __aarch64__
*eob_ptr = vmaxvq_s16(v_eobmax_76543210) + 1;
#else
{
const int16x4_t v_eobmax_3210 = vmax_s16(vget_low_s16(v_eobmax_76543210),
vget_high_s16(v_eobmax_76543210));
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));
*eob_ptr = (uint16_t)vget_lane_s16(v_eobmax_final, 0) + 1;
}
#endif // __aarch64__
}
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);
}