1/* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#ifndef VP9_ENCODER_VP9_QUANTIZE_H_ 12#define VP9_ENCODER_VP9_QUANTIZE_H_ 13 14#include "./vpx_config.h" 15#include "vp9/encoder/vp9_block.h" 16 17#ifdef __cplusplus 18extern "C" { 19#endif 20 21typedef struct { 22 DECLARE_ALIGNED(16, int16_t, y_quant[QINDEX_RANGE][8]); 23 DECLARE_ALIGNED(16, int16_t, y_quant_shift[QINDEX_RANGE][8]); 24 DECLARE_ALIGNED(16, int16_t, y_zbin[QINDEX_RANGE][8]); 25 DECLARE_ALIGNED(16, int16_t, y_round[QINDEX_RANGE][8]); 26 27 // TODO(jingning): in progress of re-working the quantization. will decide 28 // if we want to deprecate the current use of y_quant. 29 DECLARE_ALIGNED(16, int16_t, y_quant_fp[QINDEX_RANGE][8]); 30 DECLARE_ALIGNED(16, int16_t, uv_quant_fp[QINDEX_RANGE][8]); 31 DECLARE_ALIGNED(16, int16_t, y_round_fp[QINDEX_RANGE][8]); 32 DECLARE_ALIGNED(16, int16_t, uv_round_fp[QINDEX_RANGE][8]); 33 34 DECLARE_ALIGNED(16, int16_t, uv_quant[QINDEX_RANGE][8]); 35 DECLARE_ALIGNED(16, int16_t, uv_quant_shift[QINDEX_RANGE][8]); 36 DECLARE_ALIGNED(16, int16_t, uv_zbin[QINDEX_RANGE][8]); 37 DECLARE_ALIGNED(16, int16_t, uv_round[QINDEX_RANGE][8]); 38} QUANTS; 39 40void vp9_quantize_dc(const int16_t *coeff_ptr, int skip_block, 41 const int16_t *round_ptr, const int16_t quant_ptr, 42 int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr, 43 const int16_t dequant_ptr, uint16_t *eob_ptr); 44void vp9_quantize_dc_32x32(const int16_t *coeff_ptr, int skip_block, 45 const int16_t *round_ptr, const int16_t quant_ptr, 46 int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr, 47 const int16_t dequant_ptr, uint16_t *eob_ptr); 48void vp9_regular_quantize_b_4x4(MACROBLOCK *x, int plane, int block, 49 const int16_t *scan, const int16_t *iscan); 50 51struct VP9_COMP; 52struct VP9Common; 53 54void vp9_frame_init_quantizer(struct VP9_COMP *cpi); 55 56void vp9_update_zbin_extra(struct VP9_COMP *cpi, MACROBLOCK *x); 57 58void vp9_init_plane_quantizers(struct VP9_COMP *cpi, MACROBLOCK *x); 59 60void vp9_init_quantizer(struct VP9_COMP *cpi); 61 62void vp9_set_quantizer(struct VP9Common *cm, int q); 63 64int vp9_quantizer_to_qindex(int quantizer); 65 66int vp9_qindex_to_quantizer(int qindex); 67 68#ifdef __cplusplus 69} // extern "C" 70#endif 71 72#endif // VP9_ENCODER_VP9_QUANTIZE_H_ 73