vpx/vp9/decoder/vp9_treereader.h
Dmitry Kovalev 7f99c3c59a Code cleanup.
Removing redundant 'extern' keywords, fixing formatting and #include order,
code simplification.

Change-Id: I0e5fdc8009010f3f885f13b5d76859b9da511758
2013-03-05 14:12:16 -08:00

37 lines
1.1 KiB
C

/*
* 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 VP9_DECODER_VP9_TREEREADER_H_
#define VP9_DECODER_VP9_TREEREADER_H_
#include "vp9/common/vp9_treecoder.h"
#include "vp9/decoder/vp9_dboolhuff.h"
typedef BOOL_DECODER vp9_reader;
#define vp9_read decode_bool
#define vp9_read_literal decode_value
#define vp9_read_bit(R) vp9_read(R, vp9_prob_half)
/* Intent of tree data structure is to make decoding trivial. */
static int treed_read(vp9_reader *const r, /* !!! must return a 0 or 1 !!! */
vp9_tree t,
const vp9_prob *const p) {
register vp9_tree_index i = 0;
while ((i = t[ i + vp9_read(r, p[i >> 1])]) > 0);
return -i;
}
#endif // VP9_DECODER_VP9_TREEREADER_H_