| /* |
| * 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 <math.h> |
| #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 = |
| vp10_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(vp10_dequant_abscoeff_nuq(q, dequant, dequant_val), |
| 1 + logsizeby32); |
| // *dqcoeff_ptr = vp10_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 = |
| vp10_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(vp10_dequant_abscoeff_nuq(q, dequant, dequant_val), |
| 1 + logsizeby32); |
| // *dqcoeff_ptr = vp10_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 = |
| vp10_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 = |
| vp10_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(vp10_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(vp10_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, m; |
| t = d; |
| for (l = 0; t > 1; l++) |
| t >>= 1; |
| m = 1 + (1 << (16 + l)) / d; |
| *quant = (int16_t)(m - (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; |
| #if CONFIG_NEW_QUANT |
| int dq; |
| #endif |
| |
| 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 |
| for (dq = 0; dq < QUANT_PROFILES; dq++) { |
| 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]; |
| vp10_get_dequant_val_nuq(quant, q, i, |
| cpi->y_dequant_val_nuq[dq][q][i], |
| quants->y_cuml_bins_nuq[dq][q][i], dq); |
| vp10_get_dequant_val_nuq(uvquant, q, i, |
| cpi->uv_dequant_val_nuq[dq][q][i], |
| quants->uv_cuml_bins_nuq[dq][q][i], dq); |
| } |
| } |
| #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; |
| #if CONFIG_NEW_QUANT |
| int dq; |
| #endif |
| |
| // 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 |
| for (dq = 0; dq < QUANT_PROFILES; dq ++) { |
| x->plane[0].cuml_bins_nuq[dq] = (cuml_bins_type_nuq*) |
| quants->y_cuml_bins_nuq[dq][qindex]; |
| xd->plane[0].dequant_val_nuq[dq] = (const dequant_val_type_nuq*) |
| cpi->y_dequant_val_nuq[dq][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 |
| for (dq = 0; dq < QUANT_PROFILES; dq ++) { |
| x->plane[i].cuml_bins_nuq[dq] = (cuml_bins_type_nuq*) |
| quants->uv_cuml_bins_nuq[dq][qindex]; |
| xd->plane[i].dequant_val_nuq[dq] = (const dequant_val_type_nuq*) |
| cpi->uv_dequant_val_nuq[dq][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; |
| } |
