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_COMMON_VP9_QUANT_COMMON_H_
12 #define VP9_COMMON_VP9_QUANT_COMMON_H_
13 
14 #include "vp9/common/vp9_blockd.h"
15 
16 #ifdef __cplusplus
17 extern "C" {
18 #endif
19 
20 #define MINQ 0
21 #define MAXQ 255
22 #define QINDEX_RANGE (MAXQ - MINQ + 1)
23 #define QINDEX_BITS 8
24 
25 void vp9_init_quant_tables();
26 
27 int16_t vp9_dc_quant(int qindex, int delta);
28 int16_t vp9_ac_quant(int qindex, int delta);
29 
30 int vp9_get_qindex(const struct segmentation *seg, int segment_id,
31                    int base_qindex);
32 
33 #ifdef __cplusplus
34 }  // extern "C"
35 #endif
36 
37 #endif  // VP9_COMMON_VP9_QUANT_COMMON_H_
38