| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #ifndef AOM_AV1_ENCODER_AV1_QUANTIZE_H_ |
| #define AOM_AV1_ENCODER_AV1_QUANTIZE_H_ |
| |
| #include "config/aom_config.h" |
| |
| #include "av1/common/quant_common.h" |
| #include "av1/common/scan.h" |
| #include "av1/encoder/block.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define EOB_FACTOR 325 |
| #define SKIP_EOB_FACTOR_ADJUST 200 |
| |
| typedef struct QUANT_PARAM { |
| int log_scale; |
| TX_SIZE tx_size; |
| const qm_val_t *qmatrix; |
| const qm_val_t *iqmatrix; |
| int use_quant_b_adapt; |
| int use_optimize_b; |
| int xform_quant_idx; |
| } QUANT_PARAM; |
| |
| typedef void (*AV1_QUANT_FACADE)(const tran_low_t *coeff_ptr, intptr_t n_coeffs, |
| const MACROBLOCK_PLANE *p, |
| tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, |
| const SCAN_ORDER *sc, |
| const QUANT_PARAM *qparam); |
| |
| static const int qindex_10b_offset[] = { |
| 0, |
| 48, |
| }; |
| static const int qindex_12b_offset[] = { |
| 0, |
| 96, |
| }; |
| |
| // The QUANTS structure is used only for internal quantizer setup in |
| // av1_quantize.c. |
| // All of its fields use the same coefficient shift/scaling at TX. |
| typedef struct { |
| // 0: dc 1: ac 2-8: ac repeated to SIMD width |
| DECLARE_ALIGNED(32, int32_t, y_quant[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, y_quant_shift[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, y_zbin[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, y_round[QINDEX_RANGE][8]); |
| |
| // TODO(jingning): in progress of re-working the quantization. will decide |
| // if we want to deprecate the current use of y_quant. |
| DECLARE_ALIGNED(32, int32_t, y_quant_fp[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, u_quant_fp[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, v_quant_fp[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, y_round_fp[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, u_round_fp[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, v_round_fp[QINDEX_RANGE][8]); |
| |
| DECLARE_ALIGNED(32, int32_t, u_quant[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, v_quant[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, u_quant_shift[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, v_quant_shift[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, u_zbin[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, v_zbin[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, u_round[QINDEX_RANGE][8]); |
| DECLARE_ALIGNED(32, int32_t, v_round[QINDEX_RANGE][8]); |
| } QUANTS; |
| |
| // The Dequants structure is used only for internal quantizer setup in |
| // av1_quantize.c. |
| // Fields are suffixed according to whether or not they're expressed in |
| // the same coefficient shift/precision as TX or a fixed Q3 format. |
| typedef struct { |
| DECLARE_ALIGNED(32, int32_t, |
| y_dequant_QTX[QINDEX_RANGE][8]); // 8: SIMD width |
| DECLARE_ALIGNED(32, int32_t, |
| u_dequant_QTX[QINDEX_RANGE][8]); // 8: SIMD width |
| DECLARE_ALIGNED(32, int32_t, |
| v_dequant_QTX[QINDEX_RANGE][8]); // 8: SIMD width |
| } Dequants; |
| |
| typedef struct { |
| // Quantization parameters for internal quantizer setup. |
| QUANTS quants; |
| // Dequantization parameters for internal quantizer setup. |
| Dequants dequants; |
| } EncQuantDequantParams; |
| |
| struct AV1_COMP; |
| struct AV1Common; |
| |
| void av1_frame_init_quantizer(struct AV1_COMP *cpi); |
| |
| void av1_init_plane_quantizers(const struct AV1_COMP *cpi, MACROBLOCK *x, |
| int segment_id); |
| |
| void av1_build_quantizer(aom_bit_depth_t bit_depth, int y_dc_delta_q, |
| int u_dc_delta_q, int u_ac_delta_q, int v_dc_delta_q, |
| int v_ac_delta_q, int base_y_dc_delta_q, |
| int base_uv_dc_delta_q, QUANTS *const quants, |
| Dequants *const deq); |
| |
| void av1_init_quantizer(SequenceHeader *seq_params, |
| EncQuantDequantParams *const enc_quant_dequant_params, |
| const CommonQuantParams *quant_params); |
| |
| void av1_set_quantizer(struct AV1Common *const cm, int min_qmlevel, |
| int max_qmlevel, int q, int enable_chroma_deltaq); |
| |
| int av1_quantizer_to_qindex(int quantizer, aom_bit_depth_t bit_depth); |
| |
| int av1_qindex_to_quantizer(int qindex, aom_bit_depth_t bit_depth); |
| |
| void av1_quantize_skip(intptr_t n_coeffs, tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr); |
| |
| void av1_highbd_quantize_fp_facade(const tran_low_t *coeff_ptr, |
| intptr_t n_coeffs, const MACROBLOCK_PLANE *p, |
| tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, |
| const SCAN_ORDER *sc, |
| const QUANT_PARAM *qparam); |
| |
| void av1_highbd_quantize_b_facade(const tran_low_t *coeff_ptr, |
| intptr_t n_coeffs, const MACROBLOCK_PLANE *p, |
| tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, |
| const SCAN_ORDER *sc, |
| const QUANT_PARAM *qparam); |
| |
| void av1_highbd_quantize_dc_facade(const tran_low_t *coeff_ptr, |
| intptr_t n_coeffs, const MACROBLOCK_PLANE *p, |
| tran_low_t *qcoeff_ptr, |
| tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr, |
| const SCAN_ORDER *sc, |
| const QUANT_PARAM *qparam); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AV1_ENCODER_AV1_QUANTIZE_H_ |