From d2499ead93dc4298c0882fe98902acb1b5209f99 Mon Sep 17 00:00:00 2001 From: trav90 Date: Fri, 19 Oct 2018 23:05:00 -0500 Subject: Update libaom to commit ID 1e227d41f0616de9548a673a83a21ef990b62591 --- third_party/aom/aom_dsp/quantize.c | 217 ++++++++++++++++++------------------- 1 file changed, 106 insertions(+), 111 deletions(-) (limited to 'third_party/aom/aom_dsp/quantize.c') diff --git a/third_party/aom/aom_dsp/quantize.c b/third_party/aom/aom_dsp/quantize.c index e1601cc7d..62dbd86a9 100644 --- a/third_party/aom/aom_dsp/quantize.c +++ b/third_party/aom/aom_dsp/quantize.c @@ -13,8 +13,8 @@ #include "aom_mem/aom_mem.h" void quantize_b_helper_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 *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, @@ -29,56 +29,54 @@ void quantize_b_helper_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, 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 != NULL ? qm_ptr[rc] : (1 << AOM_QM_BITS); - const int coeff = coeff_ptr[rc] * wt; - - if (coeff < (zbins[rc != 0] * (1 << AOM_QM_BITS)) && - coeff > (nzbins[rc != 0] * (1 << AOM_QM_BITS))) - non_zero_count--; - else - break; - } + // Pre-scan pass + for (i = (int)n_coeffs - 1; i >= 0; i--) { + const int rc = scan[i]; + const qm_val_t wt = qm_ptr != NULL ? qm_ptr[rc] : (1 << AOM_QM_BITS); + const int coeff = coeff_ptr[rc] * wt; + + if (coeff < (zbins[rc != 0] * (1 << AOM_QM_BITS)) && + coeff > (nzbins[rc != 0] * (1 << 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 int coeff_sign = (coeff >> 31); + const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; + int tmp32; + + const qm_val_t wt = qm_ptr != NULL ? qm_ptr[rc] : (1 << AOM_QM_BITS); + if (abs_coeff * wt >= (zbins[rc != 0] << AOM_QM_BITS)) { + int64_t tmp = + clamp(abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], log_scale), + INT16_MIN, INT16_MAX); + tmp *= wt; + tmp32 = (int)(((((tmp * quant_ptr[rc != 0]) >> 16) + tmp) * + quant_shift_ptr[rc != 0]) >> + (16 - log_scale + AOM_QM_BITS)); // quantization + qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign; + const int iwt = iqm_ptr != NULL ? iqm_ptr[rc] : (1 << AOM_QM_BITS); + const int dequant = + (dequant_ptr[rc != 0] * iwt + (1 << (AOM_QM_BITS - 1))) >> + AOM_QM_BITS; + const tran_low_t abs_dqcoeff = (tmp32 * dequant) >> log_scale; + dqcoeff_ptr[rc] = (tran_low_t)((abs_dqcoeff ^ coeff_sign) - coeff_sign); - // 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; - int tmp32; - - const qm_val_t wt = qm_ptr != NULL ? qm_ptr[rc] : (1 << AOM_QM_BITS); - if (abs_coeff * wt >= (zbins[rc != 0] << AOM_QM_BITS)) { - int64_t tmp = - clamp(abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], log_scale), - INT16_MIN, INT16_MAX); - tmp *= wt; - tmp32 = (int)(((((tmp * quant_ptr[rc != 0]) >> 16) + tmp) * - quant_shift_ptr[rc != 0]) >> - (16 - log_scale + AOM_QM_BITS)); // quantization - qcoeff_ptr[rc] = (tmp32 ^ coeff_sign) - coeff_sign; - const int iwt = iqm_ptr != NULL ? iqm_ptr[rc] : (1 << AOM_QM_BITS); - const int dequant = - (dequant_ptr[rc != 0] * iwt + (1 << (AOM_QM_BITS - 1))) >> - AOM_QM_BITS; - const tran_low_t abs_dqcoeff = (tmp32 * dequant) >> log_scale; - dqcoeff_ptr[rc] = (tran_low_t)((abs_dqcoeff ^ coeff_sign) - coeff_sign); - - if (tmp32) eob = i; - } + if (tmp32) eob = i; } } *eob_ptr = eob + 1; } void highbd_quantize_b_helper_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 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, @@ -95,42 +93,40 @@ void highbd_quantize_b_helper_c( 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 != NULL ? qm_ptr[rc] : (1 << AOM_QM_BITS); - 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] * (1 << AOM_QM_BITS)) || - coeff <= (nzbins[rc != 0] * (1 << AOM_QM_BITS))) - idx_arr[idx++] = i; - } + // Pre-scan pass + for (i = 0; i < n_coeffs; i++) { + const int rc = scan[i]; + const qm_val_t wt = qm_ptr != NULL ? qm_ptr[rc] : (1 << AOM_QM_BITS); + 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] * (1 << AOM_QM_BITS)) || + coeff <= (nzbins[rc != 0] * (1 << 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 != NULL ? qm_ptr[rc] : (1 << AOM_QM_BITS); - const qm_val_t iwt = iqm_ptr != NULL ? iqm_ptr[rc] : (1 << AOM_QM_BITS); - const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; - const int64_t tmp1 = - abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], log_scale); - const int64_t tmpw = tmp1 * wt; - const int64_t tmp2 = ((tmpw * quant_ptr[rc != 0]) >> 16) + tmpw; - const int abs_qcoeff = (int)((tmp2 * quant_shift_ptr[rc != 0]) >> - (16 - log_scale + AOM_QM_BITS)); - qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); - dequant = (dequant_ptr[rc != 0] * iwt + (1 << (AOM_QM_BITS - 1))) >> - AOM_QM_BITS; - const tran_low_t abs_dqcoeff = (abs_qcoeff * dequant) >> log_scale; - dqcoeff_ptr[rc] = (tran_low_t)((abs_dqcoeff ^ coeff_sign) - coeff_sign); - if (abs_qcoeff) eob = idx_arr[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 != NULL ? qm_ptr[rc] : (1 << AOM_QM_BITS); + const qm_val_t iwt = iqm_ptr != NULL ? iqm_ptr[rc] : (1 << AOM_QM_BITS); + const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; + const int64_t tmp1 = + abs_coeff + ROUND_POWER_OF_TWO(round_ptr[rc != 0], log_scale); + const int64_t tmpw = tmp1 * wt; + const int64_t tmp2 = ((tmpw * quant_ptr[rc != 0]) >> 16) + tmpw; + const int abs_qcoeff = (int)((tmp2 * quant_shift_ptr[rc != 0]) >> + (16 - log_scale + AOM_QM_BITS)); + qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); + dequant = + (dequant_ptr[rc != 0] * iwt + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS; + const tran_low_t abs_dqcoeff = (abs_qcoeff * dequant) >> log_scale; + dqcoeff_ptr[rc] = (tran_low_t)((abs_dqcoeff ^ coeff_sign) - coeff_sign); + if (abs_qcoeff) eob = idx_arr[i]; } *eob_ptr = eob + 1; } @@ -138,74 +134,73 @@ void highbd_quantize_b_helper_c( /* These functions should only be called when quantisation matrices are not used. */ 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) { - quantize_b_helper_c(coeff_ptr, n_coeffs, skip_block, zbin_ptr, round_ptr, - quant_ptr, quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, - dequant_ptr, eob_ptr, scan, iscan, NULL, NULL, 0); + 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) { + quantize_b_helper_c(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, 0); } 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 *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) { - quantize_b_helper_c(coeff_ptr, n_coeffs, skip_block, zbin_ptr, round_ptr, - quant_ptr, quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, - dequant_ptr, eob_ptr, scan, iscan, NULL, NULL, 1); + quantize_b_helper_c(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_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 *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) { - quantize_b_helper_c(coeff_ptr, n_coeffs, skip_block, zbin_ptr, round_ptr, - quant_ptr, quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, - dequant_ptr, eob_ptr, scan, iscan, NULL, NULL, 2); + quantize_b_helper_c(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); } 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 *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) { - highbd_quantize_b_helper_c(coeff_ptr, n_coeffs, skip_block, zbin_ptr, - round_ptr, quant_ptr, quant_shift_ptr, qcoeff_ptr, + highbd_quantize_b_helper_c(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, 0); } 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 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) { - highbd_quantize_b_helper_c(coeff_ptr, n_coeffs, skip_block, zbin_ptr, - round_ptr, quant_ptr, quant_shift_ptr, qcoeff_ptr, + highbd_quantize_b_helper_c(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_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 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) { - highbd_quantize_b_helper_c(coeff_ptr, n_coeffs, skip_block, zbin_ptr, - round_ptr, quant_ptr, quant_shift_ptr, qcoeff_ptr, + highbd_quantize_b_helper_c(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); } -- cgit v1.2.3