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 "vp9/encoder/vp9_block.h"
15 
16 #ifdef __cplusplus
17 extern "C" {
18 #endif
19 
20 typedef struct {
21   DECLARE_ALIGNED(16, int16_t, y_quant[QINDEX_RANGE][8]);
22   DECLARE_ALIGNED(16, int16_t, y_quant_shift[QINDEX_RANGE][8]);
23   DECLARE_ALIGNED(16, int16_t, y_zbin[QINDEX_RANGE][8]);
24   DECLARE_ALIGNED(16, int16_t, y_round[QINDEX_RANGE][8]);
25 
26   DECLARE_ALIGNED(16, int16_t, uv_quant[QINDEX_RANGE][8]);
27   DECLARE_ALIGNED(16, int16_t, uv_quant_shift[QINDEX_RANGE][8]);
28   DECLARE_ALIGNED(16, int16_t, uv_zbin[QINDEX_RANGE][8]);
29   DECLARE_ALIGNED(16, int16_t, uv_round[QINDEX_RANGE][8]);
30 
31 #if CONFIG_ALPHA
32   DECLARE_ALIGNED(16, int16_t, a_quant[QINDEX_RANGE][8]);
33   DECLARE_ALIGNED(16, int16_t, a_quant_shift[QINDEX_RANGE][8]);
34   DECLARE_ALIGNED(16, int16_t, a_zbin[QINDEX_RANGE][8]);
35   DECLARE_ALIGNED(16, int16_t, a_round[QINDEX_RANGE][8]);
36 #endif
37 } QUANTS;
38 
39 void vp9_regular_quantize_b_4x4(MACROBLOCK *x, int plane, int block,
40                                 const int16_t *scan, const int16_t *iscan);
41 
42 struct VP9_COMP;
43 struct VP9Common;
44 
45 void vp9_frame_init_quantizer(struct VP9_COMP *cpi);
46 
47 void vp9_update_zbin_extra(struct VP9_COMP *cpi, MACROBLOCK *x);
48 
49 void vp9_init_plane_quantizers(struct VP9_COMP *cpi, MACROBLOCK *x);
50 
51 void vp9_init_quantizer(struct VP9_COMP *cpi);
52 
53 void vp9_set_quantizer(struct VP9Common *cm, int q);
54 
55 #ifdef __cplusplus
56 }  // extern "C"
57 #endif
58 
59 #endif  // VP9_ENCODER_VP9_QUANTIZE_H_
60