/* *  Copyright (c) 2010 The WebM project authors. All Rights Reserved. * *  Use of this source code is governed by a BSD-style license *  that can be found in the LICENSE file in the root of the source *  tree. An additional intellectual property rights grant can be found *  in the file PATENTS.  All contributing project authors may *  be found in the AUTHORS file in the root of the source tree. */ #ifndef VPX_VP8_DECODER_TREEREADER_H_#define VPX_VP8_DECODER_TREEREADER_H_ #include "./vpx_config.h"#include "vp8/common/treecoder.h"#include "dboolhuff.h" #ifdef __cplusplusextern "C" {#endif typedef BOOL_DECODER vp8_reader; #define vp8_read vp8dx_decode_bool#define vp8_read_literal vp8_decode_value#define vp8_read_bit(R) vp8_read(R, vp8_prob_half) /* Intent of tree data structure is to make decoding trivial. */ static INLINE int vp8_treed_read(    vp8_reader *const r, /* !!! must return a 0 or 1 !!! */    vp8_tree t, const vp8_prob *const p) {  vp8_tree_index i = 0;   while ((i = t[i + vp8_read(r, p[i >> 1])]) > 0) {  }   return -i;} #ifdef __cplusplus}  // extern "C"#endif #endif  // VPX_VP8_DECODER_TREEREADER_H_