vpx/vp9/decoder/vp9_treereader.h
Ronald S. Bultje 4cca47b538 Use standard integer types for pixel values and coefficients.
For coefficients, use int16_t (instead of short); for pixel values in
16-bit intermediates, use uint16_t (instead of unsigned short); for all
others, use uint8_t (instead of unsigned char).

Change-Id: I3619cd9abf106c3742eccc2e2f5e89a62774f7da
2012-12-18 15:31:19 -08:00

38 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_