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 #define MINQ 0 17 #define MAXQ 255 18 #define QINDEX_RANGE (MAXQ - MINQ + 1) 19 #define QINDEX_BITS 8 20 21 void vp9_init_quant_tables(); 22 23 int16_t vp9_dc_quant(int qindex, int delta); 24 int16_t vp9_ac_quant(int qindex, int delta); 25 26 int vp9_get_qindex(struct segmentation *seg, int segment_id, int base_qindex); 27 28 #endif // VP9_COMMON_VP9_QUANT_COMMON_H_ 29
