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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/av1/encoder/arm/neon/quantize_neon.c | 928 |
1 files changed, 928 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/arm/neon/quantize_neon.c b/third_party/aom/av1/encoder/arm/neon/quantize_neon.c new file mode 100644 index 0000000000..c3b57ce206 --- /dev/null +++ b/third_party/aom/av1/encoder/arm/neon/quantize_neon.c @@ -0,0 +1,928 @@ +/* + * 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); +} |