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 VPX_VP9_COMMON_VP9_QUANT_COMMON_H_ 12 #define VPX_VP9_COMMON_VP9_QUANT_COMMON_H_ 13 14 #define INLINE __inline 15 16 #include <stdint.h> 17 #include "vpx_codec.h" 18 #include "vp9_seg_common.h" 19 20 #ifdef __cplusplus 21 extern "C" { 22 #endif 23 24 #define MINQ 0 25 #define MAXQ 255 26 #define QINDEX_RANGE (MAXQ - MINQ + 1) 27 #define QINDEX_BITS 8 28 29 int16_t eb_vp9_dc_quant(int qindex, int delta, vpx_bit_depth_t bit_depth); 30 int16_t eb_vp9_ac_quant(int qindex, int delta, vpx_bit_depth_t bit_depth); 31 32 int eb_vp9_get_qindex(const struct segmentation *seg, int segment_id, 33 int base_qindex); 34 35 #ifdef __cplusplus 36 } // extern "C" 37 #endif 38 39 #endif // VPX_VP9_COMMON_VP9_QUANT_COMMON_H_ 40