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 17extern "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 25void vp9_init_quant_tables(); 26 27int16_t vp9_dc_quant(int qindex, int delta); 28int16_t vp9_ac_quant(int qindex, int delta); 29 30int 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