vp9_quantize.h revision ba6c59e9d7d7013b3906b6f4230b663422681848 
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