/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include #include "./vpx_dsp_rtcd.h" #include "vpx_dsp/quantize.h" #include "vpx_mem/vpx_mem.h" #include "vpx_ports/mem.h" #include "vp10/common/quant_common.h" #include "vp10/common/scan.h" #include "vp10/common/seg_common.h" #include "vp10/encoder/encoder.h" #include "vp10/encoder/quantize.h" #include "vp10/encoder/rd.h" #if CONFIG_NEW_QUANT static INLINE int quantize_coeff_nuq(const tran_low_t coeffv, const int16_t quant, const int16_t quant_shift, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr) { const int coeff = coeffv; const int coeff_sign = (coeff >> 31); const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; int i, q; int tmp = clamp(abs_coeff, INT16_MIN, INT16_MAX); for (i = 0; i < NUQ_KNOTS; i++) { if (tmp < cuml_bins_ptr[i]) { q = i; break; } } if (i == NUQ_KNOTS) { tmp -= cuml_bins_ptr[NUQ_KNOTS - 1]; q = NUQ_KNOTS + (((((tmp * quant) >> 16) + tmp) * quant_shift) >> 16); } if (q) { *dqcoeff_ptr = dequant_abscoeff_nuq(q, dequant, dequant_val); *qcoeff_ptr = (q ^ coeff_sign) - coeff_sign; *dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr; } else { *qcoeff_ptr = 0; *dqcoeff_ptr = 0; } return (q != 0); } static INLINE int quantize_coeff_bigtx_nuq(const tran_low_t coeffv, const int16_t quant, const int16_t quant_shift, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, int logsizeby32) { const int coeff = coeffv; const int coeff_sign = (coeff >> 31); const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; int i, q; int tmp = clamp(abs_coeff, INT16_MIN, INT16_MAX); for (i = 0; i < NUQ_KNOTS; i++) { if (tmp < ROUND_POWER_OF_TWO(cuml_bins_ptr[i], 1 + logsizeby32)) { q = i; break; } } if (i == NUQ_KNOTS) { tmp -= ROUND_POWER_OF_TWO(cuml_bins_ptr[NUQ_KNOTS - 1], 1 + logsizeby32); q = NUQ_KNOTS + (((((tmp * quant) >> 16) + tmp) * quant_shift) >> (15 - logsizeby32)); } if (q) { *dqcoeff_ptr = ROUND_POWER_OF_TWO(dequant_abscoeff_nuq(q, dequant, dequant_val), 1 + logsizeby32); // *dqcoeff_ptr = dequant_abscoeff_nuq(q, dequant, dequant_val) >> // (1 + logsizeby32); *qcoeff_ptr = (q ^ coeff_sign) - coeff_sign; *dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr; } else { *qcoeff_ptr = 0; *dqcoeff_ptr = 0; } return (q != 0); } static INLINE int quantize_coeff_fp_nuq(const tran_low_t coeffv, const int16_t quant, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr) { const int coeff = coeffv; const int coeff_sign = (coeff >> 31); const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; int i, q; int tmp = clamp(abs_coeff, INT16_MIN, INT16_MAX); for (i = 0; i < NUQ_KNOTS; i++) { if (tmp < cuml_bins_ptr[i]) { q = i; break; } } if (i == NUQ_KNOTS) { q = NUQ_KNOTS + ((((int64_t)tmp - cuml_bins_ptr[NUQ_KNOTS - 1]) * quant) >> 16); } if (q) { *dqcoeff_ptr = dequant_abscoeff_nuq(q, dequant, dequant_val); *qcoeff_ptr = (q ^ coeff_sign) - coeff_sign; *dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr; } else { *qcoeff_ptr = 0; *dqcoeff_ptr = 0; } return (q != 0); } static INLINE int quantize_coeff_bigtx_fp_nuq(const tran_low_t coeffv, const int16_t quant, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, int logsizeby32) { const int coeff = coeffv; const int coeff_sign = (coeff >> 31); const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; int i, q; int tmp = clamp(abs_coeff, INT16_MIN, INT16_MAX); for (i = 0; i < NUQ_KNOTS; i++) { if (tmp < ROUND_POWER_OF_TWO(cuml_bins_ptr[i], 1 + logsizeby32)) { q = i; break; } } if (i == NUQ_KNOTS) { q = NUQ_KNOTS + ((((int64_t)tmp - ROUND_POWER_OF_TWO(cuml_bins_ptr[NUQ_KNOTS - 1], 1 + logsizeby32)) * quant) >> (15 - logsizeby32)); } if (q) { *dqcoeff_ptr = ROUND_POWER_OF_TWO(dequant_abscoeff_nuq(q, dequant, dequant_val), 1 + logsizeby32); // *dqcoeff_ptr = dequant_abscoeff_nuq(q, dequant, dequant_val) >> // (1 + logsizeby32); *qcoeff_ptr = (q ^ coeff_sign) - coeff_sign; *dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr; } else { *qcoeff_ptr = 0; *dqcoeff_ptr = 0; } return (q != 0); } void quantize_dc_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t quant, const int16_t quant_shift, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_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 rc = 0; if (quantize_coeff_nuq(coeff_ptr[rc], quant, quant_shift, dequant, cuml_bins_ptr, dequant_val, qcoeff_ptr, dqcoeff_ptr)) eob = 0; } *eob_ptr = eob + 1; } void quantize_dc_fp_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t quant, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_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 rc = 0; if (quantize_coeff_fp_nuq(coeff_ptr[rc], quant, dequant, cuml_bins_ptr, dequant_val, qcoeff_ptr, dqcoeff_ptr)) eob = 0; } *eob_ptr = eob + 1; } void quantize_dc_32x32_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t quant, const int16_t quant_shift, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_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 rc = 0; if (quantize_coeff_bigtx_nuq(coeff_ptr[rc], quant, quant_shift, dequant, cuml_bins_ptr, dequant_val, qcoeff_ptr, dqcoeff_ptr, 0)) eob = 0; } *eob_ptr = eob + 1; } void quantize_dc_32x32_fp_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t quant, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_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 rc = 0; if (quantize_coeff_bigtx_fp_nuq(coeff_ptr[rc], quant, dequant, cuml_bins_ptr, dequant_val, qcoeff_ptr, dqcoeff_ptr, 0)) eob = 0; } *eob_ptr = eob + 1; } void quantize_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, const int16_t *dequant_ptr, const cuml_bins_type_nuq *cuml_bins_ptr, const dequant_val_type_nuq *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const int16_t *scan, const uint8_t *band) { int eob = -1; memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); if (!skip_block) { int i; for (i = 0; i < n_coeffs; i++) { const int rc = scan[i]; if (quantize_coeff_nuq(coeff_ptr[rc], quant_ptr[rc != 0], quant_shift_ptr[rc != 0], dequant_ptr[rc != 0], cuml_bins_ptr[band[i]], dequant_val[band[i]], &qcoeff_ptr[rc], &dqcoeff_ptr[rc])) eob = i; } } *eob_ptr = eob + 1; } void quantize_fp_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *quant_ptr, const int16_t *dequant_ptr, const cuml_bins_type_nuq *cuml_bins_ptr, const dequant_val_type_nuq *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const int16_t *scan, const uint8_t *band) { int eob = -1; memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); if (!skip_block) { int i; for (i = 0; i < n_coeffs; i++) { const int rc = scan[i]; if (quantize_coeff_fp_nuq(coeff_ptr[rc], quant_ptr[rc != 0], dequant_ptr[rc != 0], cuml_bins_ptr[band[i]], dequant_val[band[i]], &qcoeff_ptr[rc], &dqcoeff_ptr[rc])) eob = i; } } *eob_ptr = eob + 1; } void quantize_32x32_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, const int16_t *dequant_ptr, const cuml_bins_type_nuq *cuml_bins_ptr, const dequant_val_type_nuq *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const int16_t *scan, const uint8_t *band) { int eob = -1; memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); if (!skip_block) { int i; for (i = 0; i < n_coeffs; i++) { const int rc = scan[i]; if (quantize_coeff_bigtx_nuq(coeff_ptr[rc], quant_ptr[rc != 0], quant_shift_ptr[rc != 0], dequant_ptr[rc != 0], cuml_bins_ptr[band[i]], dequant_val[band[i]], &qcoeff_ptr[rc], &dqcoeff_ptr[rc], 0)) eob = i; } } *eob_ptr = eob + 1; } void quantize_32x32_fp_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *quant_ptr, const int16_t *dequant_ptr, const cuml_bins_type_nuq *cuml_bins_ptr, const dequant_val_type_nuq *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const int16_t *scan, const uint8_t *band) { int eob = -1; memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); if (!skip_block) { int i; for (i = 0; i < n_coeffs; i++) { const int rc = scan[i]; if (quantize_coeff_bigtx_fp_nuq(coeff_ptr[rc], quant_ptr[rc != 0], dequant_ptr[rc != 0], cuml_bins_ptr[band[i]], dequant_val[band[i]], &qcoeff_ptr[rc], &dqcoeff_ptr[rc], 0)) eob = i; } } *eob_ptr = eob + 1; } #endif // CONFIG_NEW_QUANT void vp10_quantize_skip(intptr_t n_coeffs, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr) { memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); *eob_ptr = 0; } void vp10_quantize_fp_facade(const tran_low_t *coeff_ptr, intptr_t n_coeffs, const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr, const MACROBLOCKD_PLANE *pd, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const scan_order *sc, const QUANT_PARAM *qparam) { // obsolete skip_block const int skip_block = 0; if (qparam->log_scale == 0) { vp10_quantize_fp(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round_fp, p->quant_fp, p->quant_shift, qcoeff_ptr, dqcoeff_ptr, pd->dequant, eob_ptr, sc->scan, sc->iscan); } else { vp10_quantize_fp_32x32(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round_fp, p->quant_fp, p->quant_shift, qcoeff_ptr, dqcoeff_ptr, pd->dequant, eob_ptr, sc->scan, sc->iscan); } } void vp10_quantize_b_facade(const tran_low_t *coeff_ptr, intptr_t n_coeffs, const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr, const MACROBLOCKD_PLANE *pd, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const scan_order *sc, const QUANT_PARAM *qparam) { // obsolete skip_block const int skip_block = 0; if (qparam->log_scale == 0) { vpx_quantize_b(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round, p->quant, p->quant_shift, qcoeff_ptr, dqcoeff_ptr, pd->dequant, eob_ptr, sc->scan, sc->iscan); } else { vpx_quantize_b_32x32(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round, p->quant, p->quant_shift, qcoeff_ptr, dqcoeff_ptr, pd->dequant, eob_ptr, sc->scan, sc->iscan); } } void vp10_quantize_dc_facade(const tran_low_t *coeff_ptr, intptr_t n_coeffs, const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr, const MACROBLOCKD_PLANE *pd, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const scan_order *sc, const QUANT_PARAM *qparam) { // obsolete skip_block const int skip_block = 0; (void)sc; if (qparam->log_scale == 0) { vpx_quantize_dc(coeff_ptr, (int)n_coeffs, skip_block, p->round, p->quant_fp[0], qcoeff_ptr, dqcoeff_ptr, pd->dequant[0], eob_ptr); } else { vpx_quantize_dc_32x32(coeff_ptr, skip_block, p->round, p->quant_fp[0], qcoeff_ptr, dqcoeff_ptr, pd->dequant[0], eob_ptr); } } #if CONFIG_VP9_HIGHBITDEPTH void vp10_highbd_quantize_fp_facade( const tran_low_t *coeff_ptr, intptr_t n_coeffs, const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr, const MACROBLOCKD_PLANE *pd, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const scan_order *sc, const QUANT_PARAM *qparam) { // obsolete skip_block const int skip_block = 0; vp10_highbd_quantize_fp(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round_fp, p->quant_fp, p->quant_shift, qcoeff_ptr, dqcoeff_ptr, pd->dequant, eob_ptr, sc->scan, sc->iscan, qparam->log_scale); } void vp10_highbd_quantize_b_facade(const tran_low_t *coeff_ptr, intptr_t n_coeffs, const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr, const MACROBLOCKD_PLANE *pd, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const scan_order *sc, const QUANT_PARAM *qparam) { // obsolete skip_block const int skip_block = 0; vp10_highbd_quantize_b(coeff_ptr, n_coeffs, skip_block, p->zbin, p->round, p->quant, p->quant_shift, qcoeff_ptr, dqcoeff_ptr, pd->dequant, eob_ptr, sc->scan, sc->iscan, qparam->log_scale); } void vp10_highbd_quantize_dc_facade( const tran_low_t *coeff_ptr, intptr_t n_coeffs, const MACROBLOCK_PLANE *p, tran_low_t *qcoeff_ptr, const MACROBLOCKD_PLANE *pd, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const scan_order *sc, const QUANT_PARAM *qparam) { // obsolete skip_block const int skip_block = 0; (void)sc; vp10_highbd_quantize_dc(coeff_ptr, (int)n_coeffs, skip_block, p->round, p->quant_fp[0], qcoeff_ptr, dqcoeff_ptr, pd->dequant[0], eob_ptr, qparam->log_scale); } #if CONFIG_NEW_QUANT static INLINE int highbd_quantize_coeff_nuq(const tran_low_t coeffv, const int16_t quant, const int16_t quant_shift, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr) { const int coeff = coeffv; const int coeff_sign = (coeff >> 31); const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; int i, q; int64_t tmp = clamp(abs_coeff, INT32_MIN, INT32_MAX); for (i = 0; i < NUQ_KNOTS; i++) { if (tmp < cuml_bins_ptr[i]) { q = i; break; } } if (i == NUQ_KNOTS) { tmp -= cuml_bins_ptr[NUQ_KNOTS - 1]; q = NUQ_KNOTS + (((((tmp * quant) >> 16) + tmp) * quant_shift) >> 16); } if (q) { *dqcoeff_ptr = dequant_abscoeff_nuq(q, dequant, dequant_val); *qcoeff_ptr = (q ^ coeff_sign) - coeff_sign; *dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr; } else { *qcoeff_ptr = 0; *dqcoeff_ptr = 0; } return (q != 0); } static INLINE int highbd_quantize_coeff_fp_nuq(const tran_low_t coeffv, const int16_t quant, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr) { const int coeff = coeffv; const int coeff_sign = (coeff >> 31); const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; int i, q; int64_t tmp = clamp(abs_coeff, INT32_MIN, INT32_MAX); for (i = 0; i < NUQ_KNOTS; i++) { if (tmp < cuml_bins_ptr[i]) { q = i; break; } } if (i == NUQ_KNOTS) { q = NUQ_KNOTS + (((tmp - cuml_bins_ptr[NUQ_KNOTS - 1]) * quant) >> 16); } if (q) { *dqcoeff_ptr = dequant_abscoeff_nuq(q, dequant, dequant_val); *qcoeff_ptr = (q ^ coeff_sign) - coeff_sign; *dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr; } else { *qcoeff_ptr = 0; *dqcoeff_ptr = 0; } return (q != 0); } static INLINE int highbd_quantize_coeff_bigtx_fp_nuq( const tran_low_t coeffv, const int16_t quant, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, int logsizeby32) { const int coeff = coeffv; const int coeff_sign = (coeff >> 31); const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; int i, q; int64_t tmp = clamp(abs_coeff, INT32_MIN, INT32_MAX); for (i = 0; i < NUQ_KNOTS; i++) { if (tmp < ROUND_POWER_OF_TWO(cuml_bins_ptr[i], 1 + logsizeby32)) { q = i; break; } } if (i == NUQ_KNOTS) { q = NUQ_KNOTS + (((tmp - ROUND_POWER_OF_TWO(cuml_bins_ptr[NUQ_KNOTS - 1], 1 + logsizeby32)) * quant) >> (15 - logsizeby32)); } if (q) { *dqcoeff_ptr = ROUND_POWER_OF_TWO(dequant_abscoeff_nuq(q, dequant, dequant_val), 1 + logsizeby32); *qcoeff_ptr = (q ^ coeff_sign) - coeff_sign; *dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr; } else { *qcoeff_ptr = 0; *dqcoeff_ptr = 0; } return (q != 0); } static INLINE int highbd_quantize_coeff_bigtx_nuq(const tran_low_t coeffv, const int16_t quant, const int16_t quant_shift, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, int logsizeby32) { const int coeff = coeffv; const int coeff_sign = (coeff >> 31); const int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; int i, q; int64_t tmp = clamp(abs_coeff, INT32_MIN, INT32_MAX); for (i = 0; i < NUQ_KNOTS; i++) { if (tmp < ROUND_POWER_OF_TWO(cuml_bins_ptr[i], 1 + logsizeby32)) { q = i; break; } } if (i == NUQ_KNOTS) { tmp -= ROUND_POWER_OF_TWO(cuml_bins_ptr[NUQ_KNOTS - 1], 1 + logsizeby32); q = NUQ_KNOTS + (((((tmp * quant) >> 16) + tmp) * quant_shift) >> (15 - logsizeby32)); } if (q) { *dqcoeff_ptr = ROUND_POWER_OF_TWO(dequant_abscoeff_nuq(q, dequant, dequant_val), 1 + logsizeby32); *qcoeff_ptr = (q ^ coeff_sign) - coeff_sign; *dqcoeff_ptr = *qcoeff_ptr < 0 ? -*dqcoeff_ptr : *dqcoeff_ptr; } else { *qcoeff_ptr = 0; *dqcoeff_ptr = 0; } return (q != 0); } void highbd_quantize_dc_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t quant, const int16_t quant_shift, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_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 rc = 0; if (highbd_quantize_coeff_nuq(coeff_ptr[rc], quant, quant_shift, dequant, cuml_bins_ptr, dequant_val, qcoeff_ptr, dqcoeff_ptr)) eob = 0; } *eob_ptr = eob + 1; } void highbd_quantize_dc_fp_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t quant, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_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 rc = 0; if (highbd_quantize_coeff_fp_nuq(coeff_ptr[rc], quant, dequant, cuml_bins_ptr, dequant_val, qcoeff_ptr, dqcoeff_ptr)) eob = 0; } *eob_ptr = eob + 1; } void highbd_quantize_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, const int16_t *dequant_ptr, const cuml_bins_type_nuq *cuml_bins_ptr, const dequant_val_type_nuq *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const int16_t *scan, const uint8_t *band) { int eob = -1; memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); if (!skip_block) { int i; for (i = 0; i < n_coeffs; i++) { const int rc = scan[i]; if (highbd_quantize_coeff_nuq(coeff_ptr[rc], quant_ptr[rc != 0], quant_shift_ptr[rc != 0], dequant_ptr[rc != 0], cuml_bins_ptr[band[i]], dequant_val[band[i]], &qcoeff_ptr[rc], &dqcoeff_ptr[rc])) eob = i; } } *eob_ptr = eob + 1; } void highbd_quantize_32x32_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, const int16_t *dequant_ptr, const cuml_bins_type_nuq *cuml_bins_ptr, const dequant_val_type_nuq *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const int16_t *scan, const uint8_t *band) { int eob = -1; memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); if (!skip_block) { int i; for (i = 0; i < n_coeffs; i++) { const int rc = scan[i]; if (highbd_quantize_coeff_bigtx_nuq(coeff_ptr[rc], quant_ptr[rc != 0], quant_shift_ptr[rc != 0], dequant_ptr[rc != 0], cuml_bins_ptr[band[i]], dequant_val[band[i]], &qcoeff_ptr[rc], &dqcoeff_ptr[rc], 0)) eob = i; } } *eob_ptr = eob + 1; } void highbd_quantize_32x32_fp_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *quant_ptr, const int16_t *dequant_ptr, const cuml_bins_type_nuq *cuml_bins_ptr, const dequant_val_type_nuq *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const int16_t *scan, const uint8_t *band) { int eob = -1; memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); if (!skip_block) { int i; for (i = 0; i < n_coeffs; i++) { const int rc = scan[i]; if (highbd_quantize_coeff_bigtx_fp_nuq(coeff_ptr[rc], quant_ptr[rc != 0], dequant_ptr[rc != 0], cuml_bins_ptr[band[i]], dequant_val[band[i]], &qcoeff_ptr[rc], &dqcoeff_ptr[rc], 0)) eob = i; } } *eob_ptr = eob + 1; } void highbd_quantize_fp_nuq_c(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *quant_ptr, const int16_t *dequant_ptr, const cuml_bins_type_nuq *cuml_bins_ptr, const dequant_val_type_nuq *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, const int16_t *scan, const uint8_t *band) { int eob = -1; memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); if (!skip_block) { int i; for (i = 0; i < n_coeffs; i++) { const int rc = scan[i]; if (highbd_quantize_coeff_fp_nuq(coeff_ptr[rc], quant_ptr[rc != 0], dequant_ptr[rc != 0], cuml_bins_ptr[band[i]], dequant_val[band[i]], &qcoeff_ptr[rc], &dqcoeff_ptr[rc])) eob = i; } } *eob_ptr = eob + 1; } void highbd_quantize_dc_32x32_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t quant, const int16_t quant_shift, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_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 rc = 0; if (highbd_quantize_coeff_bigtx_nuq(coeff_ptr[rc], quant, quant_shift, dequant, cuml_bins_ptr, dequant_val, qcoeff_ptr, dqcoeff_ptr, 0)) eob = 0; } *eob_ptr = eob + 1; } void highbd_quantize_dc_32x32_fp_nuq(const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t quant, const int16_t dequant, const tran_low_t *cuml_bins_ptr, const tran_low_t *dequant_val, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_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 rc = 0; if (highbd_quantize_coeff_bigtx_fp_nuq(coeff_ptr[rc], quant, dequant, cuml_bins_ptr, dequant_val, qcoeff_ptr, dqcoeff_ptr, 0)) eob = 0; } *eob_ptr = eob + 1; } #endif // CONFIG_NEW_QUANT #endif // CONFIG_VP9_HIGHBITDEPTH void vp10_quantize_fp_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, eob = -1; // TODO(jingning) Decide the need of these arguments after the // quantization process is completed. (void)zbin_ptr; (void)quant_shift_ptr; (void)iscan; memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); if (!skip_block) { // Quantization pass: All coefficients with index >= zero_flag are // skippable. Note: zero_flag can be zero. for (i = 0; i < n_coeffs; 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 tmp = clamp(abs_coeff + round_ptr[rc != 0], INT16_MIN, INT16_MAX); tmp = (tmp * quant_ptr[rc != 0]) >> 16; 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_VP9_HIGHBITDEPTH void vp10_highbd_quantize_fp_c(const tran_low_t *coeff_ptr, intptr_t count, 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 log_scale) { int i; int eob = -1; const int scale = 1 << log_scale; const int shift = 16 - log_scale; // TODO(jingning) Decide the need of these arguments after the // quantization process is completed. (void)zbin_ptr; (void)quant_shift_ptr; (void)iscan; memset(qcoeff_ptr, 0, count * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, count * sizeof(*dqcoeff_ptr)); if (!skip_block) { // Quantization pass: All coefficients with index >= zero_flag are // skippable. Note: zero_flag can be zero. for (i = 0; i < 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; const int64_t tmp = abs_coeff + round_ptr[rc != 0]; const uint32_t abs_qcoeff = (uint32_t)((tmp * quant_ptr[rc != 0]) >> shift); qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / scale; if (abs_qcoeff) eob = i; } } *eob_ptr = eob + 1; } #endif // CONFIG_VP9_HIGHBITDEPTH // TODO(jingning) Refactor this file and combine functions with similar // operations. void vp10_quantize_fp_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) { int i, eob = -1; (void)zbin_ptr; (void)quant_shift_ptr; (void)iscan; memset(qcoeff_ptr, 0, n_coeffs * sizeof(*qcoeff_ptr)); memset(dqcoeff_ptr, 0, n_coeffs * sizeof(*dqcoeff_ptr)); if (!skip_block) { for (i = 0; i < n_coeffs; i++) { const int rc = scan[i]; const int coeff = coeff_ptr[rc]; const int coeff_sign = (coeff >> 31); int tmp = 0; int abs_coeff = (coeff ^ coeff_sign) - coeff_sign; if (abs_coeff >= (dequant_ptr[rc != 0] >> 2)) { 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]) >> 15; qcoeff_ptr[rc] = (tmp ^ coeff_sign) - coeff_sign; dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / 2; } if (tmp) eob = i; } } *eob_ptr = eob + 1; } #if CONFIG_VP9_HIGHBITDEPTH void vp10_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 int log_scale) { int i, non_zero_count = (int)n_coeffs, eob = -1; int zbins[2] = {zbin_ptr[0], zbin_ptr[1]}; int round[2] = {round_ptr[0], round_ptr[1]}; int nzbins[2]; int scale = 1; int shift = 16; (void)iscan; if (log_scale > 0) { zbins[0] = ROUND_POWER_OF_TWO(zbin_ptr[0], log_scale); zbins[1] = ROUND_POWER_OF_TWO(zbin_ptr[1], log_scale); round[0] = ROUND_POWER_OF_TWO(round_ptr[0], log_scale); round[1] = ROUND_POWER_OF_TWO(round_ptr[1], log_scale); scale = 1 << log_scale; shift = 16 - log_scale; } nzbins[0] = zbins[0] * -1; nzbins[1] = zbins[1] * -1; 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[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]) >> shift); qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); dqcoeff_ptr[rc] = qcoeff_ptr[rc] * dequant_ptr[rc != 0] / scale; if (abs_qcoeff) eob = i; } } } *eob_ptr = eob + 1; } #endif #if CONFIG_VP9_HIGHBITDEPTH void vp10_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 int log_scale) { 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 - log_scale)); qcoeff_ptr[0] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign); dqcoeff_ptr[0] = qcoeff_ptr[0] * dequant_ptr / (1 << log_scale); if (abs_qcoeff) eob = 0; } *eob_ptr = eob + 1; } #endif static void invert_quant(int16_t *quant, int16_t *shift, int d) { unsigned t; int l; t = d; for (l = 0; t > 1; l++) t >>= 1; t = 1 + (1 << (16 + l)) / d; *quant = (int16_t)(t - (1 << 16)); *shift = 1 << (16 - l); } static int get_qzbin_factor(int q, vpx_bit_depth_t bit_depth) { const int quant = vp10_dc_quant(q, 0, bit_depth); #if CONFIG_VP9_HIGHBITDEPTH switch (bit_depth) { case VPX_BITS_8: return q == 0 ? 64 : (quant < 148 ? 84 : 80); case VPX_BITS_10: return q == 0 ? 64 : (quant < 592 ? 84 : 80); case VPX_BITS_12: return q == 0 ? 64 : (quant < 2368 ? 84 : 80); default: assert(0 && "bit_depth should be VPX_BITS_8, VPX_BITS_10 or VPX_BITS_12"); return -1; } #else (void) bit_depth; return q == 0 ? 64 : (quant < 148 ? 84 : 80); #endif } void vp10_init_quantizer(VP10_COMP *cpi) { VP10_COMMON *const cm = &cpi->common; QUANTS *const quants = &cpi->quants; int i, q, quant; for (q = 0; q < QINDEX_RANGE; q++) { const int qzbin_factor = get_qzbin_factor(q, cm->bit_depth); const int qrounding_factor = q == 0 ? 64 : 48; for (i = 0; i < 2; ++i) { int qrounding_factor_fp = 64; // y quant = i == 0 ? vp10_dc_quant(q, cm->y_dc_delta_q, cm->bit_depth) : vp10_ac_quant(q, 0, cm->bit_depth); invert_quant(&quants->y_quant[q][i], &quants->y_quant_shift[q][i], quant); quants->y_quant_fp[q][i] = (1 << 16) / quant; quants->y_round_fp[q][i] = (qrounding_factor_fp * quant) >> 7; quants->y_zbin[q][i] = ROUND_POWER_OF_TWO(qzbin_factor * quant, 7); quants->y_round[q][i] = (qrounding_factor * quant) >> 7; cpi->y_dequant[q][i] = quant; // uv quant = i == 0 ? vp10_dc_quant(q, cm->uv_dc_delta_q, cm->bit_depth) : vp10_ac_quant(q, cm->uv_ac_delta_q, cm->bit_depth); invert_quant(&quants->uv_quant[q][i], &quants->uv_quant_shift[q][i], quant); quants->uv_quant_fp[q][i] = (1 << 16) / quant; quants->uv_round_fp[q][i] = (qrounding_factor_fp * quant) >> 7; quants->uv_zbin[q][i] = ROUND_POWER_OF_TWO(qzbin_factor * quant, 7); quants->uv_round[q][i] = (qrounding_factor * quant) >> 7; cpi->uv_dequant[q][i] = quant; } #if CONFIG_NEW_QUANT // TODO(sarahparker) do this for multiple profiles once they are added for (i = 0; i < COEF_BANDS; i++) { const int quant = cpi->y_dequant[q][i != 0]; const int uvquant = cpi->uv_dequant[q][i != 0]; get_dequant_val_nuq(quant, q == 0, i, cpi->y_dequant_val_nuq[q][i], quants->y_cuml_bins_nuq[q][i]); get_dequant_val_nuq(uvquant, q == 0, i, cpi->uv_dequant_val_nuq[q][i], quants->uv_cuml_bins_nuq[q][i]); } #endif // CONFIG_NEW_QUANT for (i = 2; i < 8; i++) { // 8: SIMD width quants->y_quant[q][i] = quants->y_quant[q][1]; quants->y_quant_fp[q][i] = quants->y_quant_fp[q][1]; quants->y_round_fp[q][i] = quants->y_round_fp[q][1]; quants->y_quant_shift[q][i] = quants->y_quant_shift[q][1]; quants->y_zbin[q][i] = quants->y_zbin[q][1]; quants->y_round[q][i] = quants->y_round[q][1]; cpi->y_dequant[q][i] = cpi->y_dequant[q][1]; quants->uv_quant[q][i] = quants->uv_quant[q][1]; quants->uv_quant_fp[q][i] = quants->uv_quant_fp[q][1]; quants->uv_round_fp[q][i] = quants->uv_round_fp[q][1]; quants->uv_quant_shift[q][i] = quants->uv_quant_shift[q][1]; quants->uv_zbin[q][i] = quants->uv_zbin[q][1]; quants->uv_round[q][i] = quants->uv_round[q][1]; cpi->uv_dequant[q][i] = cpi->uv_dequant[q][1]; } } } void vp10_init_plane_quantizers(const VP10_COMP *cpi, MACROBLOCK *x, const int segment_id) { const VP10_COMMON *const cm = &cpi->common; MACROBLOCKD *const xd = &x->e_mbd; const QUANTS *const quants = &cpi->quants; const int qindex = vp10_get_qindex(&cm->seg, segment_id, cm->base_qindex); const int rdmult = vp10_compute_rd_mult(cpi, qindex + cm->y_dc_delta_q); int i; // Y x->plane[0].quant = quants->y_quant[qindex]; x->plane[0].quant_fp = quants->y_quant_fp[qindex]; x->plane[0].round_fp = quants->y_round_fp[qindex]; x->plane[0].quant_shift = quants->y_quant_shift[qindex]; x->plane[0].zbin = quants->y_zbin[qindex]; x->plane[0].round = quants->y_round[qindex]; xd->plane[0].dequant = cpi->y_dequant[qindex]; #if CONFIG_NEW_QUANT x->plane[0].cuml_bins_nuq = quants->y_cuml_bins_nuq[qindex]; xd->plane[0].dequant_val_nuq = cpi->y_dequant_val_nuq[qindex]; #endif // CONFIG_NEW_QUANT x->plane[0].quant_thred[0] = x->plane[0].zbin[0] * x->plane[0].zbin[0]; x->plane[0].quant_thred[1] = x->plane[0].zbin[1] * x->plane[0].zbin[1]; // UV for (i = 1; i < 3; i++) { x->plane[i].quant = quants->uv_quant[qindex]; x->plane[i].quant_fp = quants->uv_quant_fp[qindex]; x->plane[i].round_fp = quants->uv_round_fp[qindex]; x->plane[i].quant_shift = quants->uv_quant_shift[qindex]; x->plane[i].zbin = quants->uv_zbin[qindex]; x->plane[i].round = quants->uv_round[qindex]; xd->plane[i].dequant = cpi->uv_dequant[qindex]; #if CONFIG_NEW_QUANT x->plane[i].cuml_bins_nuq = quants->uv_cuml_bins_nuq[qindex]; xd->plane[i].dequant_val_nuq = cpi->uv_dequant_val_nuq[qindex]; #endif // CONFIG_NEW_QUANT x->plane[i].quant_thred[0] = x->plane[i].zbin[0] * x->plane[i].zbin[0]; x->plane[i].quant_thred[1] = x->plane[i].zbin[1] * x->plane[i].zbin[1]; } x->skip_block = segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP); x->q_index = qindex; set_error_per_bit(x, rdmult); vp10_initialize_me_consts(cpi, x, x->q_index); } void vp10_frame_init_quantizer(VP10_COMP *cpi) { MACROBLOCK *const x = &cpi->td.mb; MACROBLOCKD *const xd = &x->e_mbd; vp10_init_plane_quantizers(cpi, x, xd->mi[0]->mbmi.segment_id); } void vp10_set_quantizer(VP10_COMMON *cm, int q) { // quantizer has to be reinitialized with vp10_init_quantizer() if any // delta_q changes. cm->base_qindex = q; cm->y_dc_delta_q = 0; cm->uv_dc_delta_q = 0; cm->uv_ac_delta_q = 0; } // Table that converts 0-63 Q-range values passed in outside to the Qindex // range used internally. static const int quantizer_to_qindex[] = { 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, 148, 152, 156, 160, 164, 168, 172, 176, 180, 184, 188, 192, 196, 200, 204, 208, 212, 216, 220, 224, 228, 232, 236, 240, 244, 249, 255, }; int vp10_quantizer_to_qindex(int quantizer) { return quantizer_to_qindex[quantizer]; } int vp10_qindex_to_quantizer(int qindex) { int quantizer; for (quantizer = 0; quantizer < 64; ++quantizer) if (quantizer_to_qindex[quantizer] >= qindex) return quantizer; return 63; }