2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved.
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.
11 #ifndef VP9_DECODER_VP9_READ_BIT_BUFFER_H_
12 #define VP9_DECODER_VP9_READ_BIT_BUFFER_H_
16 #include "vpx/vpx_integer.h"
22 typedef void (*vp9_rb_error_handler)(void *data);
24 struct vp9_read_bit_buffer {
25 const uint8_t *bit_buffer;
26 const uint8_t *bit_buffer_end;
29 void *error_handler_data;
30 vp9_rb_error_handler error_handler;
33 size_t vp9_rb_bytes_read(struct vp9_read_bit_buffer *rb);
35 int vp9_rb_read_bit(struct vp9_read_bit_buffer *rb);
37 int vp9_rb_read_literal(struct vp9_read_bit_buffer *rb, int bits);
39 int vp9_rb_read_signed_literal(struct vp9_read_bit_buffer *rb, int bits);
45 #endif // VP9_DECODER_VP9_READ_BIT_BUFFER_H_