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      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 ia_bit_buf_struct *impd_create_bit_buf(ia_bit_buf_struct *it_bit_buff,
     38                                        UWORD8 *ptr_bit_buf_base,
     39                                        WORD32 bit_buf_size);
     40 
     41 ia_bit_buf_struct *impd_create_init_bit_buf(ia_bit_buf_struct *it_bit_buff,
     42                                             UWORD8 *ptr_bit_buf_base,
     43                                             WORD32 bit_buf_size);
     44 
     45 WORD32 impd_read_bits_buf(ia_bit_buf_struct *it_bit_buff, WORD no_of_bits);
     46 
     47 #endif
     48