1 /******************************************************************************
2  *
3  * Copyright (C) 2018 The Android Open Source Project
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *****************************************************************************
18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19 */
20 #ifndef IMPD_DRC_BITBUFFER_H
21 #define IMPD_DRC_BITBUFFER_H
22 
23 typedef struct ia_bit_buf_struct {
24   UWORD8 *ptr_bit_buf_base;
25   UWORD8 *ptr_bit_buf_end;
26 
27   UWORD8 *ptr_read_next;
28 
29   WORD32 bit_pos;
30   WORD32 cnt_bits;
31 
32   WORD32 size;
33   WORD32 error;
34 
35 } ia_bit_buf_struct;
36 
37 VOID impd_create_bit_buf(ia_bit_buf_struct *it_bit_buff,
38                          UWORD8 *ptr_bit_buf_base, WORD32 bit_buf_size);
39 
40 VOID impd_create_init_bit_buf(ia_bit_buf_struct *it_bit_buff,
41                               UWORD8 *ptr_bit_buf_base, WORD32 bit_buf_size);
42 
43 WORD32 impd_read_bits_buf(ia_bit_buf_struct *it_bit_buff, WORD no_of_bits);
44 
45 WORD32 impd_skip_bits_buf(ia_bit_buf_struct *it_bit_buff, WORD no_of_bits);
46 #endif
47