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 "vpx/vpx_codec.h"
15 #include "vp9/common/vp9_seg_common.h"
16 
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20 
21 #define MINQ 0
22 #define MAXQ 255
23 #define QINDEX_RANGE (MAXQ - MINQ + 1)
24 #define QINDEX_BITS 8
25 
26 int16_t vp9_dc_quant(int qindex, int delta, vpx_bit_depth_t bit_depth);
27 int16_t vp9_ac_quant(int qindex, int delta, vpx_bit_depth_t bit_depth);
28 
29 int vp9_get_qindex(const struct segmentation *seg, int segment_id,
30                    int base_qindex);
31 
32 #ifdef __cplusplus
33 }  // extern "C"
34 #endif
35 
36 #endif  // VP9_COMMON_VP9_QUANT_COMMON_H_
37