vpx/vp8/decoder/treereader.h
John Koleszar c6b9039fd9 Restyle code
Approximate the Google style guide[1] so that that there's a written
document to follow and tools to check compliance[2].

[1]: http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml
[2]: http://google-styleguide.googlecode.com/svn/trunk/cpplint/cpplint.py

Change-Id: Idf40e3d8dddcc72150f6af127b13e5dab838685f
2012-07-17 11:46:03 -07:00

41 lines
1017 B
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 tree_reader_h
#define tree_reader_h 1
#include "vp8/common/treecoder.h"
#include "dboolhuff.h"
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 int vp8_treed_read(
vp8_reader *const r, /* !!! must return a 0 or 1 !!! */
vp8_tree t,
const vp8_prob *const p
) {
register vp8_tree_index i = 0;
while ((i = t[ i + vp8_read(r, p[i >> 1])]) > 0);
return -i;
}
#endif /* tree_reader_h */