1 /****************************************************************************** 2 * * 3 * Copyright (C) 2023 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 21 #pragma once 22 typedef struct ia_bit_buf_struct { 23 UWORD8 *ptr_bit_buf_base; 24 UWORD8 *ptr_bit_buf_end; 25 UWORD8 *ptr_read_next; 26 UWORD8 *ptr_write_next; 27 WORD32 read_position; 28 WORD32 write_position; 29 WORD32 cnt_bits; 30 WORD32 size; 31 } ia_bit_buf_struct; 32 33 ia_bit_buf_struct *iusace_create_bit_buffer(ia_bit_buf_struct *it_bit_buf, 34 UWORD8 *ptr_bit_buf_base, UWORD32 bit_buffer_size, 35 WORD32 init); 36 37 VOID iusace_reset_bit_buffer(ia_bit_buf_struct *it_bit_buf); 38 39 UWORD8 iusace_write_bits_buf(ia_bit_buf_struct *it_bit_buf, UWORD32 write_val, UWORD8 num_bits); 40 41 WORD32 iusace_write_escape_value(ia_bit_buf_struct *pstr_it_bit_buff, UWORD32 value, 42 UWORD8 no_bits1, UWORD8 no_bits2, UWORD8 no_bits3); 43