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Diffstat (limited to 'media/libaom/src/av1/encoder/av1_quantize.h')
| -rw-r--r-- | media/libaom/src/av1/encoder/av1_quantize.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/media/libaom/src/av1/encoder/av1_quantize.h b/media/libaom/src/av1/encoder/av1_quantize.h new file mode 100644 index 000000000..35af9a67a --- /dev/null +++ b/media/libaom/src/av1/encoder/av1_quantize.h @@ -0,0 +1,148 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#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 + +typedef struct QUANT_PARAM { + int log_scale; + TX_SIZE tx_size; + const qm_val_t *qmatrix; + const qm_val_t *iqmatrix; +} 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); + +// 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(16, int16_t, y_quant[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, y_quant_shift[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, y_zbin[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_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(16, int16_t, y_quant_fp[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, u_quant_fp[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, v_quant_fp[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, y_round_fp[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, u_round_fp[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, v_round_fp[QINDEX_RANGE][8]); + + DECLARE_ALIGNED(16, int16_t, u_quant[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, v_quant[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, u_quant_shift[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, v_quant_shift[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, u_zbin[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, v_zbin[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, u_round[QINDEX_RANGE][8]); + DECLARE_ALIGNED(16, int16_t, v_round[QINDEX_RANGE][8]); +} QUANTS; + +// The Dequants structure is used only for internal quantizer setup in +// av1_quantize.c. +// Fields are sufffixed 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(16, int16_t, + y_dequant_QTX[QINDEX_RANGE][8]); // 8: SIMD width + DECLARE_ALIGNED(16, int16_t, + u_dequant_QTX[QINDEX_RANGE][8]); // 8: SIMD width + DECLARE_ALIGNED(16, int16_t, + v_dequant_QTX[QINDEX_RANGE][8]); // 8: SIMD width + DECLARE_ALIGNED(16, int16_t, y_dequant_Q3[QINDEX_RANGE][8]); // 8: SIMD width + DECLARE_ALIGNED(16, int16_t, u_dequant_Q3[QINDEX_RANGE][8]); // 8: SIMD width + DECLARE_ALIGNED(16, int16_t, v_dequant_Q3[QINDEX_RANGE][8]); // 8: SIMD width +} Dequants; + +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, QUANTS *const quants, + Dequants *const deq); + +void av1_init_quantizer(struct AV1_COMP *cpi); + +void av1_set_quantizer(struct AV1Common *cm, int q); + +int av1_quantizer_to_qindex(int quantizer); + +int av1_qindex_to_quantizer(int qindex); + +void av1_quantize_skip(intptr_t n_coeffs, tran_low_t *qcoeff_ptr, + tran_low_t *dqcoeff_ptr, uint16_t *eob_ptr); + +void av1_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_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_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); + +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_ |