| /* |
| * 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 "aom_dsp/quantize.h" |
| #include "aom_mem/aom_mem.h" |
| |
| #if CONFIG_AOM_QM |
| void aom_quantize_dc(const tran_low_t *coeff_ptr, int n_coeffs, int skip_block, |
| const int16_t *round_ptr, const int16_t quant, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t dequant_ptr, uint16_t *eob_ptr, |
| const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr) { |
| const int rc = 0; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| int64_t tmp, eob = -1; |
| int32_t tmp32; |
| int dequant = |
| (dequant_ptr * iqm_ptr[rc] + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| tmp = clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX); |
| tmp32 = (int32_t)((tmp * qm_ptr[rc] * quant) >> (16 + AOM_QM_BITS)); |
| qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign; |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant; |
| if (tmp32) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void aom_highbd_quantize_dc(const tran_low_t *coeff_ptr, int n_coeffs, |
| int skip_block, const int16_t *round_ptr, |
| const int16_t quant, tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, const int16_t dequant_ptr, |
| uint16_t *eob_ptr, const qm_val_t *qm_ptr, |
| const qm_val_t *iqm_ptr) { |
| int eob = -1; |
| int dequant = |
| (dequant_ptr * iqm_ptr[0] + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| const int coeff = coeff_ptr[0]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| const int64_t tmp = abs_coeff + round_ptr[0]; |
| const uint32_t abs_qcoeff = |
| (uint32_t)((tmp * qm_ptr[0] * quant) >> (16 + AOM_QM_BITS)); |
| qcoeff_ptr[0] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dqcoeff_ptr[0] = qcoeff_ptr[0] * dequant; |
| if (abs_qcoeff) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif |
| |
| void aom_quantize_dc_32x32(const tran_low_t *coeff_ptr, int skip_block, |
| const int16_t *round_ptr, const int16_t quant, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t dequant_ptr, uint16_t *eob_ptr, |
| const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr) { |
| const int n_coeffs = 1024; |
| const int rc = 0; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| int64_t tmp, eob = -1; |
| int32_t tmp32; |
| int dequant; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| tmp = clamp(abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1), |
| INT16_MIN, INT16_MAX); |
| tmp32 = (int32_t)((tmp * qm_ptr[rc] * quant) >> (15 + AOM_QM_BITS)); |
| qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign; |
| dequant = |
| (dequant_ptr * iqm_ptr[rc] + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS; |
| dqcoeff_ptr[rc] = (qcoeff_ptr[rc] * dequant) / 2; |
| if (tmp32) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_TX64X64 |
| void aom_quantize_dc_64x64(const tran_low_t *coeff_ptr, int skip_block, |
| const int16_t *round_ptr, const int16_t quant, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t dequant_ptr, uint16_t *eob_ptr, |
| const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr) { |
| const int n_coeffs = 1024; |
| const int rc = 0; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| int64_t tmp, eob = -1; |
| int32_t tmp32; |
| int dequant; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| tmp = clamp(abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], 2), |
| INT16_MIN, INT16_MAX); |
| tmp32 = (int32_t)((tmp * qm_ptr[rc] * quant) >> (14 + AOM_QM_BITS)); |
| qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign; |
| dequant = |
| (dequant_ptr * iqm_ptr[rc] + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS; |
| dqcoeff_ptr[rc] = (qcoeff_ptr[rc] * dequant) / 4; |
| if (tmp32) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif // CONFIG_TX64X64 |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void aom_highbd_quantize_dc_32x32(const tran_low_t *coeff_ptr, int skip_block, |
| const int16_t *round_ptr, const int16_t quant, |
| tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, |
| const int16_t dequant_ptr, uint16_t *eob_ptr, |
| const qm_val_t *qm_ptr, |
| const qm_val_t *iqm_ptr) { |
| const int n_coeffs = 1024; |
| int eob = -1; |
| int dequant; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| const int coeff = coeff_ptr[0]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| const int64_t tmp = abs_coeff + ROUND_POWER_OF_TWO(round_ptr[0], 1); |
| const uint32_t abs_qcoeff = |
| (uint32_t)((tmp * qm_ptr[0] * quant) >> (15 + AOM_QM_BITS)); |
| qcoeff_ptr[0] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dequant = |
| (dequant_ptr * iqm_ptr[0] + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS; |
| dqcoeff_ptr[0] = (qcoeff_ptr[0] * dequant) / 2; |
| if (abs_qcoeff) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_TX64X64 |
| void aom_highbd_quantize_dc_64x64(const tran_low_t *coeff_ptr, int skip_block, |
| const int16_t *round_ptr, const int16_t quant, |
| tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, |
| const int16_t dequant_ptr, uint16_t *eob_ptr, |
| const qm_val_t *qm_ptr, |
| const qm_val_t *iqm_ptr) { |
| const int n_coeffs = 1024; |
| int eob = -1; |
| int dequant; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| const int coeff = coeff_ptr[0]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| const int64_t tmp = abs_coeff + ROUND_POWER_OF_TWO(round_ptr[0], 2); |
| const uint32_t abs_qcoeff = |
| (uint32_t)((tmp * qm_ptr[0] * quant) >> (14 + AOM_QM_BITS)); |
| qcoeff_ptr[0] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dequant = |
| (dequant_ptr * iqm_ptr[0] + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS; |
| dqcoeff_ptr[0] = (qcoeff_ptr[0] * dequant) / 4; |
| if (abs_qcoeff) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif // CONFIG_TX64X64 |
| #endif |
| |
| void aom_quantize_b_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, |
| int skip_block, const int16_t *zbin_ptr, |
| const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, |
| uint16_t *eob_ptr, const int16_t *scan, |
| const int16_t *iscan, const qm_val_t *qm_ptr, |
| const qm_val_t *iqm_ptr) { |
| int i, non_zero_count = (int)n_coeffs, eob = -1; |
| const int zbins[2] = { zbin_ptr[0], zbin_ptr[1] }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = (int)n_coeffs - 1; i >= 0; i--) { |
| const int rc = scan[i]; |
| const qm_val_t wt = qm_ptr[rc]; |
| const int coeff = coeff_ptr[rc] * wt; |
| |
| if (coeff < (zbins[rc != 0] << AOM_QM_BITS) && |
| coeff > (nzbins[rc != 0] << AOM_QM_BITS)) |
| non_zero_count--; |
| else |
| break; |
| } |
| |
| // Quantization pass: All coefficients with index >= zero_flag are |
| // skippable. Note: zero_flag can be zero. |
| for (i = 0; i < non_zero_count; i++) { |
| const int rc = scan[i]; |
| const qm_val_t wt = qm_ptr[rc]; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| int dequant; |
| |
| if (abs_coeff * wt >= (zbins[rc != 0] << AOM_QM_BITS)) { |
| int32_t tmp32; |
| int64_t tmp = |
| clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX); |
| tmp = tmp * wt; |
| tmp32 = ((((tmp * quant_ptr[rc != 0]) >> 16) + tmp) * |
| quant_shift_ptr[rc != 0]) >> |
| (16 + AOM_QM_BITS); // quantization |
| dequant = |
| (dequant_ptr[rc != 0] * iqm_ptr[rc] + (1 << (AOM_QM_BITS - 1))) >> |
| AOM_QM_BITS; |
| qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign; |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant; |
| |
| if (tmp32) eob = i; |
| } |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void aom_highbd_quantize_b_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, |
| int skip_block, const int16_t *zbin_ptr, |
| const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t *dequant_ptr, uint16_t *eob_ptr, |
| const int16_t *scan, const int16_t *iscan, |
| const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr) { |
| int i, non_zero_count = (int)n_coeffs, eob = -1; |
| const int zbins[2] = { zbin_ptr[0], zbin_ptr[1] }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| int dequant; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = (int)n_coeffs - 1; i >= 0; i--) { |
| const int rc = scan[i]; |
| const qm_val_t wt = qm_ptr[rc]; |
| const int coeff = coeff_ptr[rc] * wt; |
| |
| if (coeff < (zbins[rc != 0] << AOM_QM_BITS) && |
| coeff > (nzbins[rc != 0] << AOM_QM_BITS)) |
| non_zero_count--; |
| else |
| break; |
| } |
| |
| // Quantization pass: All coefficients with index >= zero_flag are |
| // skippable. Note: zero_flag can be zero. |
| for (i = 0; i < non_zero_count; i++) { |
| const int rc = scan[i]; |
| const int coeff = coeff_ptr[rc]; |
| const qm_val_t wt = qm_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| |
| if (abs_coeff * wt >= (zbins[rc != 0] << AOM_QM_BITS)) { |
| const int64_t tmp1 = abs_coeff + round_ptr[rc != 0]; |
| const int64_t tmpw = tmp1 * wt; |
| const int64_t tmp2 = ((tmpw * quant_ptr[rc != 0]) >> 16) + tmpw; |
| const uint32_t abs_qcoeff = |
| (uint32_t)((tmp2 * quant_shift_ptr[rc != 0]) >> (16 + AOM_QM_BITS)); |
| qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dequant = |
| (dequant_ptr[rc != 0] * iqm_ptr[rc] + (1 << (AOM_QM_BITS - 1))) >> |
| AOM_QM_BITS; |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant; |
| if (abs_qcoeff) eob = i; |
| } |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif |
| |
| void aom_quantize_b_32x32_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, |
| int skip_block, const int16_t *zbin_ptr, |
| const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t *dequant_ptr, uint16_t *eob_ptr, |
| const int16_t *scan, const int16_t *iscan, |
| const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr) { |
| const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0], 1), |
| ROUND_POWER_OF_TWO(zbin_ptr[1], 1) }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| |
| int idx = 0; |
| int idx_arr[1024]; |
| int i, eob = -1; |
| int dequant; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = 0; i < n_coeffs; i++) { |
| const int rc = scan[i]; |
| const qm_val_t wt = qm_ptr[rc]; |
| const int coeff = coeff_ptr[rc] * wt; |
| |
| // If the coefficient is out of the base ZBIN range, keep it for |
| // quantization. |
| if (coeff >= (zbins[rc != 0] << AOM_QM_BITS) || |
| coeff <= (nzbins[rc != 0] << AOM_QM_BITS)) |
| idx_arr[idx++] = i; |
| } |
| |
| // Quantization pass: only process the coefficients selected in |
| // pre-scan pass. Note: idx can be zero. |
| for (i = 0; i < idx; i++) { |
| const int rc = scan[idx_arr[i]]; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const qm_val_t wt = qm_ptr[rc]; |
| int64_t tmp; |
| int tmp32; |
| int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| abs_coeff += ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1); |
| tmp = clamp(abs_coeff, INT16_MIN, INT16_MAX); |
| tmp = tmp * wt; |
| tmp32 = ((((tmp * quant_ptr[rc != 0]) >> 16) + tmp) * |
| quant_shift_ptr[rc != 0]) >> |
| (15 + AOM_QM_BITS); |
| |
| qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign; |
| dequant = |
| (dequant_ptr[rc != 0] * iqm_ptr[rc] + (1 << (AOM_QM_BITS - 1))) >> |
| AOM_QM_BITS; |
| dqcoeff_ptr[rc] = (qcoeff_ptr[rc] * dequant) / 2; |
| |
| if (tmp32) eob = idx_arr[i]; |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_TX64X64 |
| void aom_quantize_b_64x64_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, |
| int skip_block, const int16_t *zbin_ptr, |
| const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t *dequant_ptr, uint16_t *eob_ptr, |
| const int16_t *scan, const int16_t *iscan, |
| const qm_val_t *qm_ptr, const qm_val_t *iqm_ptr) { |
| const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0], 2), |
| ROUND_POWER_OF_TWO(zbin_ptr[1], 2) }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| |
| int idx = 0; |
| int idx_arr[4096]; |
| int i, eob = -1; |
| int dequant; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = 0; i < n_coeffs; i++) { |
| const int rc = scan[i]; |
| const qm_val_t wt = qm_ptr[rc]; |
| const int coeff = coeff_ptr[rc] * wt; |
| |
| // If the coefficient is out of the base ZBIN range, keep it for |
| // quantization. |
| if (coeff >= (zbins[rc != 0] << AOM_QM_BITS) || |
| coeff <= (nzbins[rc != 0] << AOM_QM_BITS)) |
| idx_arr[idx++] = i; |
| } |
| |
| // Quantization pass: only process the coefficients selected in |
| // pre-scan pass. Note: idx can be zero. |
| for (i = 0; i < idx; i++) { |
| const int rc = scan[idx_arr[i]]; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const qm_val_t wt = qm_ptr[rc]; |
| int64_t tmp; |
| int tmp32; |
| int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| abs_coeff += ROUND_POWER_OF_TWO(round_ptr[rc != 0], 2); |
| tmp = clamp(abs_coeff, INT16_MIN, INT16_MAX); |
| tmp = tmp * wt; |
| tmp32 = ((((tmp * quant_ptr[rc != 0]) >> 16) + tmp) * |
| quant_shift_ptr[rc != 0]) >> |
| (14 + AOM_QM_BITS); |
| |
| qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign; |
| dequant = |
| (dequant_ptr[rc != 0] * iqm_ptr[rc] + (1 << (AOM_QM_BITS - 1))) >> |
| AOM_QM_BITS; |
| dqcoeff_ptr[rc] = (qcoeff_ptr[rc] * dequant) / 4; |
| |
| if (tmp32) eob = idx_arr[i]; |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif // CONFIG_TX64X64 |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void aom_highbd_quantize_b_32x32_c( |
| const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, |
| const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr, |
| const int16_t *scan, const int16_t *iscan, const qm_val_t *qm_ptr, |
| const qm_val_t *iqm_ptr) { |
| const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0], 1), |
| ROUND_POWER_OF_TWO(zbin_ptr[1], 1) }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| |
| int idx = 0; |
| int idx_arr[1024]; |
| int i, eob = -1; |
| int dequant; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = 0; i < n_coeffs; i++) { |
| const int rc = scan[i]; |
| const qm_val_t wt = qm_ptr[rc]; |
| const int coeff = coeff_ptr[rc] * wt; |
| |
| // If the coefficient is out of the base ZBIN range, keep it for |
| // quantization. |
| if (coeff >= (zbins[rc != 0] << AOM_QM_BITS) || |
| coeff <= (nzbins[rc != 0] << AOM_QM_BITS)) |
| idx_arr[idx++] = i; |
| } |
| |
| // Quantization pass: only process the coefficients selected in |
| // pre-scan pass. Note: idx can be zero. |
| for (i = 0; i < idx; i++) { |
| const int rc = scan[idx_arr[i]]; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const qm_val_t wt = qm_ptr[rc]; |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| const int64_t tmp1 = |
| abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1); |
| const int64_t tmpw = tmp1 * wt; |
| const int64_t tmp2 = ((tmpw * quant_ptr[rc != 0]) >> 16) + tmpw; |
| const uint32_t abs_qcoeff = |
| (uint32_t)((tmp2 * quant_shift_ptr[rc != 0]) >> (15 + AOM_QM_BITS)); |
| qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dequant = |
| (dequant_ptr[rc != 0] * iqm_ptr[rc] + (1 << (AOM_QM_BITS - 1))) >> |
| AOM_QM_BITS; |
| dqcoeff_ptr[rc] = (qcoeff_ptr[rc] * dequant) / 2; |
| if (abs_qcoeff) eob = idx_arr[i]; |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_TX64X64 |
| void aom_highbd_quantize_b_64x64_c( |
| const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, |
| const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr, |
| const int16_t *scan, const int16_t *iscan, const qm_val_t *qm_ptr, |
| const qm_val_t *iqm_ptr) { |
| const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0], 2), |
| ROUND_POWER_OF_TWO(zbin_ptr[1], 2) }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| |
| int idx = 0; |
| int idx_arr[4096]; |
| int i, eob = -1; |
| int dequant; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = 0; i < n_coeffs; i++) { |
| const int rc = scan[i]; |
| const qm_val_t wt = qm_ptr[rc]; |
| const int coeff = coeff_ptr[rc] * wt; |
| |
| // If the coefficient is out of the base ZBIN range, keep it for |
| // quantization. |
| if (coeff >= (zbins[rc != 0] << AOM_QM_BITS) || |
| coeff <= (nzbins[rc != 0] << AOM_QM_BITS)) |
| idx_arr[idx++] = i; |
| } |
| |
| // Quantization pass: only process the coefficients selected in |
| // pre-scan pass. Note: idx can be zero. |
| for (i = 0; i < idx; i++) { |
| const int rc = scan[idx_arr[i]]; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const qm_val_t wt = qm_ptr[rc]; |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| const int64_t tmp1 = |
| abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], 2); |
| const int64_t tmpw = tmp1 * wt; |
| const int64_t tmp2 = ((tmpw * quant_ptr[rc != 0]) >> 16) + tmpw; |
| const uint32_t abs_qcoeff = |
| (uint32_t)((tmp2 * quant_shift_ptr[rc != 0]) >> (14 + AOM_QM_BITS)); |
| qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dequant = |
| (dequant_ptr[rc != 0] * iqm_ptr[rc] + (1 << (AOM_QM_BITS - 1))) >> |
| AOM_QM_BITS; |
| dqcoeff_ptr[rc] = (qcoeff_ptr[rc] * dequant) / 4; |
| if (abs_qcoeff) eob = idx_arr[i]; |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif // CONFIG_TX64X64 |
| #endif // CONFIG_AOM_HIGHBITDEPTH |
| |
| #else |
| |
| void aom_quantize_dc(const tran_low_t *coeff_ptr, int n_coeffs, int skip_block, |
| const int16_t *round_ptr, const int16_t quant, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t dequant_ptr, uint16_t *eob_ptr) { |
| const int rc = 0; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| int tmp, eob = -1; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| tmp = clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX); |
| tmp = (tmp * quant) >> 16; |
| qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign; |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr; |
| if (tmp) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void aom_highbd_quantize_dc(const tran_low_t *coeff_ptr, int n_coeffs, |
| int skip_block, const int16_t *round_ptr, |
| const int16_t quant, tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, const int16_t dequant_ptr, |
| uint16_t *eob_ptr) { |
| int eob = -1; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| const int coeff = coeff_ptr[0]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| const int64_t tmp = abs_coeff + round_ptr[0]; |
| const uint32_t abs_qcoeff = (uint32_t)((tmp * quant) >> 16); |
| qcoeff_ptr[0] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dqcoeff_ptr[0] = qcoeff_ptr[0] * dequant_ptr; |
| if (abs_qcoeff) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif |
| |
| void aom_quantize_dc_32x32(const tran_low_t *coeff_ptr, int skip_block, |
| const int16_t *round_ptr, const int16_t quant, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t dequant_ptr, uint16_t *eob_ptr) { |
| const int n_coeffs = 1024; |
| const int rc = 0; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| int tmp, eob = -1; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| tmp = clamp(abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1), |
| INT16_MIN, INT16_MAX); |
| tmp = (tmp * quant) >> 15; |
| qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign; |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr / 2; |
| if (tmp) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_TX64X64 |
| void aom_quantize_dc_64x64(const tran_low_t *coeff_ptr, int skip_block, |
| const int16_t *round_ptr, const int16_t quant, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t dequant_ptr, uint16_t *eob_ptr) { |
| const int n_coeffs = 4096; |
| const int rc = 0; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| int tmp, eob = -1; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| tmp = clamp(abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], 2), |
| INT16_MIN, INT16_MAX); |
| tmp = (tmp * quant) >> 14; |
| qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign; |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr / 4; |
| if (tmp) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif // CONFIG_TX64X64 |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void aom_highbd_quantize_dc_32x32(const tran_low_t *coeff_ptr, int skip_block, |
| const int16_t *round_ptr, const int16_t quant, |
| tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, |
| const int16_t dequant_ptr, |
| uint16_t *eob_ptr) { |
| const int n_coeffs = 1024; |
| int eob = -1; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| const int coeff = coeff_ptr[0]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| const int64_t tmp = abs_coeff + ROUND_POWER_OF_TWO(round_ptr[0], 1); |
| const uint32_t abs_qcoeff = (uint32_t)((tmp * quant) >> 15); |
| qcoeff_ptr[0] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dqcoeff_ptr[0] = qcoeff_ptr[0] * dequant_ptr / 2; |
| if (abs_qcoeff) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_TX64X64 |
| void aom_highbd_quantize_dc_64x64(const tran_low_t *coeff_ptr, int skip_block, |
| const int16_t *round_ptr, const int16_t quant, |
| tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, |
| const int16_t dequant_ptr, |
| uint16_t *eob_ptr) { |
| const int n_coeffs = 4096; |
| int eob = -1; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| const int coeff = coeff_ptr[0]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| const int64_t tmp = abs_coeff + ROUND_POWER_OF_TWO(round_ptr[0], 2); |
| const uint32_t abs_qcoeff = (uint32_t)((tmp * quant) >> 14); |
| qcoeff_ptr[0] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dqcoeff_ptr[0] = qcoeff_ptr[0] * dequant_ptr / 4; |
| if (abs_qcoeff) eob = 0; |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif // CONFIG_TX64X64 |
| #endif |
| |
| void aom_quantize_b_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, |
| int skip_block, const int16_t *zbin_ptr, |
| const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, |
| uint16_t *eob_ptr, const int16_t *scan, |
| const int16_t *iscan) { |
| int i, non_zero_count = (int)n_coeffs, eob = -1; |
| const int zbins[2] = { zbin_ptr[0], zbin_ptr[1] }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = (int)n_coeffs - 1; i >= 0; i--) { |
| const int rc = scan[i]; |
| const int coeff = coeff_ptr[rc]; |
| |
| if (coeff < zbins[rc != 0] && coeff > nzbins[rc != 0]) |
| non_zero_count--; |
| else |
| break; |
| } |
| |
| // Quantization pass: All coefficients with index >= zero_flag are |
| // skippable. Note: zero_flag can be zero. |
| for (i = 0; i < non_zero_count; i++) { |
| const int rc = scan[i]; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| |
| if (abs_coeff >= zbins[rc != 0]) { |
| int tmp = clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX); |
| tmp = ((((tmp * quant_ptr[rc != 0]) >> 16) + tmp) * |
| quant_shift_ptr[rc != 0]) >> |
| 16; // quantization |
| qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign; |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0]; |
| |
| if (tmp) eob = i; |
| } |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void aom_highbd_quantize_b_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, |
| int skip_block, const int16_t *zbin_ptr, |
| const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t *dequant_ptr, uint16_t *eob_ptr, |
| const int16_t *scan, const int16_t *iscan) { |
| int i, non_zero_count = (int)n_coeffs, eob = -1; |
| const int zbins[2] = { zbin_ptr[0], zbin_ptr[1] }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = (int)n_coeffs - 1; i >= 0; i--) { |
| const int rc = scan[i]; |
| const int coeff = coeff_ptr[rc]; |
| |
| if (coeff < zbins[rc != 0] && coeff > nzbins[rc != 0]) |
| non_zero_count--; |
| else |
| break; |
| } |
| |
| // Quantization pass: All coefficients with index >= zero_flag are |
| // skippable. Note: zero_flag can be zero. |
| for (i = 0; i < non_zero_count; i++) { |
| const int rc = scan[i]; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| |
| if (abs_coeff >= zbins[rc != 0]) { |
| const int64_t tmp1 = abs_coeff + round_ptr[rc != 0]; |
| const int64_t tmp2 = ((tmp1 * quant_ptr[rc != 0]) >> 16) + tmp1; |
| const uint32_t abs_qcoeff = |
| (uint32_t)((tmp2 * quant_shift_ptr[rc != 0]) >> 16); |
| qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0]; |
| if (abs_qcoeff) eob = i; |
| } |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif |
| |
| void aom_quantize_b_32x32_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, |
| int skip_block, const int16_t *zbin_ptr, |
| const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t *dequant_ptr, uint16_t *eob_ptr, |
| const int16_t *scan, const int16_t *iscan) { |
| const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0], 1), |
| ROUND_POWER_OF_TWO(zbin_ptr[1], 1) }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| |
| int idx = 0; |
| int idx_arr[1024]; |
| int i, eob = -1; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = 0; i < n_coeffs; i++) { |
| const int rc = scan[i]; |
| const int coeff = coeff_ptr[rc]; |
| |
| // If the coefficient is out of the base ZBIN range, keep it for |
| // quantization. |
| if (coeff >= zbins[rc != 0] || coeff <= nzbins[rc != 0]) |
| idx_arr[idx++] = i; |
| } |
| |
| // Quantization pass: only process the coefficients selected in |
| // pre-scan pass. Note: idx can be zero. |
| for (i = 0; i < idx; i++) { |
| const int rc = scan[idx_arr[i]]; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| int tmp; |
| int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| abs_coeff += ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1); |
| abs_coeff = clamp(abs_coeff, INT16_MIN, INT16_MAX); |
| tmp = ((((abs_coeff * quant_ptr[rc != 0]) >> 16) + abs_coeff) * |
| quant_shift_ptr[rc != 0]) >> |
| 15; |
| |
| qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign; |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / 2; |
| |
| if (tmp) eob = idx_arr[i]; |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_TX64X64 |
| void aom_quantize_b_64x64_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, |
| int skip_block, const int16_t *zbin_ptr, |
| const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, |
| tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, |
| const int16_t *dequant_ptr, uint16_t *eob_ptr, |
| const int16_t *scan, const int16_t *iscan) { |
| const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0], 2), |
| ROUND_POWER_OF_TWO(zbin_ptr[1], 2) }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| |
| int idx = 0; |
| int idx_arr[4096]; |
| int i, eob = -1; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = 0; i < n_coeffs; i++) { |
| const int rc = scan[i]; |
| const int coeff = coeff_ptr[rc]; |
| |
| // If the coefficient is out of the base ZBIN range, keep it for |
| // quantization. |
| if (coeff >= zbins[rc != 0] || coeff <= nzbins[rc != 0]) |
| idx_arr[idx++] = i; |
| } |
| |
| // Quantization pass: only process the coefficients selected in |
| // pre-scan pass. Note: idx can be zero. |
| for (i = 0; i < idx; i++) { |
| const int rc = scan[idx_arr[i]]; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| int tmp; |
| int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| abs_coeff += ROUND_POWER_OF_TWO(round_ptr[rc != 0], 2); |
| abs_coeff = clamp(abs_coeff, INT16_MIN, INT16_MAX); |
| tmp = ((((abs_coeff * quant_ptr[rc != 0]) >> 16) + abs_coeff) * |
| quant_shift_ptr[rc != 0]) >> |
| 14; |
| |
| qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign; |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / 4; |
| |
| if (tmp) eob = idx_arr[i]; |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif // CONFIG_TX64X64 |
| |
| #if CONFIG_AOM_HIGHBITDEPTH |
| void aom_highbd_quantize_b_32x32_c( |
| const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, |
| const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr, |
| const int16_t *scan, const int16_t *iscan) { |
| const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0], 1), |
| ROUND_POWER_OF_TWO(zbin_ptr[1], 1) }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| |
| int idx = 0; |
| int idx_arr[1024]; |
| int i, eob = -1; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = 0; i < n_coeffs; i++) { |
| const int rc = scan[i]; |
| const int coeff = coeff_ptr[rc]; |
| |
| // If the coefficient is out of the base ZBIN range, keep it for |
| // quantization. |
| if (coeff >= zbins[rc != 0] || coeff <= nzbins[rc != 0]) |
| idx_arr[idx++] = i; |
| } |
| |
| // Quantization pass: only process the coefficients selected in |
| // pre-scan pass. Note: idx can be zero. |
| for (i = 0; i < idx; i++) { |
| const int rc = scan[idx_arr[i]]; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| const int64_t tmp1 = |
| abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], 1); |
| const int64_t tmp2 = ((tmp1 * quant_ptr[rc != 0]) >> 16) + tmp1; |
| const uint32_t abs_qcoeff = |
| (uint32_t)((tmp2 * quant_shift_ptr[rc != 0]) >> 15); |
| qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / 2; |
| if (abs_qcoeff) eob = idx_arr[i]; |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| |
| #if CONFIG_TX64X64 |
| void aom_highbd_quantize_b_64x64_c( |
| const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, |
| const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr, |
| const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr, |
| const int16_t *scan, const int16_t *iscan) { |
| const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0], 2), |
| ROUND_POWER_OF_TWO(zbin_ptr[1], 2) }; |
| const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 }; |
| |
| int idx = 0; |
| int idx_arr[4096]; |
| int i, eob = -1; |
| (void)iscan; |
| |
| memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); |
| memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); |
| |
| if (!skip_block) { |
| // Pre-scan pass |
| for (i = 0; i < n_coeffs; i++) { |
| const int rc = scan[i]; |
| const int coeff = coeff_ptr[rc]; |
| |
| // If the coefficient is out of the base ZBIN range, keep it for |
| // quantization. |
| if (coeff >= zbins[rc != 0] || coeff <= nzbins[rc != 0]) |
| idx_arr[idx++] = i; |
| } |
| |
| // Quantization pass: only process the coefficients selected in |
| // pre-scan pass. Note: idx can be zero. |
| for (i = 0; i < idx; i++) { |
| const int rc = scan[idx_arr[i]]; |
| const int coeff = coeff_ptr[rc]; |
| const int coeff_sign = (coeff >> 31); |
| const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; |
| const int64_t tmp1 = |
| abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], 2); |
| const int64_t tmp2 = ((tmp1 * quant_ptr[rc != 0]) >> 16) + tmp1; |
| const uint32_t abs_qcoeff = |
| (uint32_t)((tmp2 * quant_shift_ptr[rc != 0]) >> 14); |
| qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); |
| dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / 4; |
| if (abs_qcoeff) eob = idx_arr[i]; |
| } |
| } |
| *eob_ptr = eob + 1; |
| } |
| #endif // CONFIG_TX64X64 |
| #endif |
| #endif |
