183 lines
		
	
	
		
			6.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			183 lines
		
	
	
		
			6.0 KiB
		
	
	
	
		
			C
		
	
	
	
| /******************************************************************************
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|  *                                                                            *
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|  * Copyright (C) 2018 The Android Open Source Project
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * You may obtain a copy of the License at:
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|  *
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|  * http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
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|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  *
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|  *****************************************************************************
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|  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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| */
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| #include <string.h>
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| #include "ixheaacd_sbr_common.h"
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| #include "ixheaacd_type_def.h"
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| 
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| #include "ixheaacd_constants.h"
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| #include "ixheaacd_basic_ops32.h"
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| #include "ixheaacd_basic_ops16.h"
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| #include "ixheaacd_basic_ops40.h"
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| #include "ixheaacd_bitbuffer.h"
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| #include "ixheaacd_defines.h"
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| #include "ixheaacd_aac_rom.h"
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| #include "ixheaacd_pulsedata.h"
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| 
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| #include "ixheaacd_pns.h"
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| #include "ixheaacd_drc_data_struct.h"
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| 
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| #include "ixheaacd_lt_predict.h"
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| 
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| #include "ixheaacd_channelinfo.h"
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| #include "ixheaacd_drc_dec.h"
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| #include "ixheaacd_sbrdecoder.h"
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| 
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| #include "ixheaacd_audioobjtypes.h"
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| #include "ixheaacd_sbrdecsettings.h"
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| #include "ixheaacd_memory_standards.h"
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| #include "ixheaacd_error_codes.h"
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| 
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| #include "ixheaacd_defines.h"
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| 
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| #include "ixheaacd_sbr_scale.h"
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| #include "ixheaacd_lpp_tran.h"
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| #include "ixheaacd_env_extr_part.h"
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| #include "ixheaacd_sbr_rom.h"
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| 
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| #include "ixheaacd_hybrid.h"
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| #include "ixheaacd_ps_dec.h"
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| #include "ixheaacd_ps_bitdec.h"
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| 
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| #include "ixheaacd_pulsedata.h"
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| 
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| #include "ixheaacd_env_extr.h"
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| #include "ixheaacd_common_rom.h"
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| #include "ixheaacd_block.h"
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| #include "ixheaacd_channel.h"
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| 
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| #include "ixheaacd_audioobjtypes.h"
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| #include "ixheaacd_latmdemux.h"
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| 
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| #include "ixheaacd_aacdec.h"
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| #include "ixheaacd_mps_polyphase.h"
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| #include "ixheaacd_config.h"
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| #include "ixheaacd_mps_dec.h"
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| #include "ixheaacd_struct_def.h"
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| #include "ixheaacd_headerdecode.h"
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| 
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| #include "ixheaacd_multichannel.h"
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| 
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| #include "ixheaacd_basic_op.h"
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| #include "ixheaacd_adts_crc_check.h"
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| #include "ixheaacd_function_selector.h"
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| 
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| VOID ixheaacd_allocate_mem_persistent(
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|     ia_exhaacplus_dec_api_struct *p_obj_enhaacplus_dec,
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|     ia_aac_dec_state_struct *p_state_enhaacplus_dec, WORD channels,
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|     WORD *persistent_used_total, WORD *sbr_persistent_start, WORD ps_enable) {
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|   WORD persistent_used;
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|   WORD8 **temp_persistent =
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|       (WORD8 **)&(p_state_enhaacplus_dec->aac_persistent_mem_v);
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|   *temp_persistent += *persistent_used_total;
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| 
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|   persistent_used = ixheaacd_set_aac_persistent_buffers(
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|       p_state_enhaacplus_dec->aac_persistent_mem_v, channels);
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| 
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|   *persistent_used_total += persistent_used;
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| 
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|   *sbr_persistent_start = *persistent_used_total;
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| 
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|   p_state_enhaacplus_dec->sbr_persistent_mem_v =
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|       (pVOID)((SIZE_T)((pWORD8)p_state_enhaacplus_dec->aac_persistent_mem_v +
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|                        persistent_used + sizeof(SIZE_T) - 1) &
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|               (SIZE_T)(~(sizeof(SIZE_T) - 1)));
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| 
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|   persistent_used = ixheaacd_getsize_sbr_persistent();
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| 
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|   ixheaacd_set_sbr_persistent_buffers(
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|       p_state_enhaacplus_dec->sbr_persistent_mem_v, &persistent_used, channels,
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|       ps_enable);
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| 
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|   *persistent_used_total += persistent_used;
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| 
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|   {
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|     struct ia_aac_persistent_struct *aac_persistent_mem =
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|         (struct ia_aac_persistent_struct *)
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|             p_obj_enhaacplus_dec->p_state_aac->aac_persistent_mem_v;
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|     aac_persistent_mem->str_aac_decoder.pstr_aac_tables =
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|         &p_obj_enhaacplus_dec->aac_tables;
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|     aac_persistent_mem->str_aac_decoder.pstr_common_tables =
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|         p_obj_enhaacplus_dec->common_tables;
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|   }
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| 
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|   ixheaacd_set_sbr_persistent_table_pointer(
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|       p_obj_enhaacplus_dec->p_state_aac->sbr_persistent_mem_v,
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|       &p_obj_enhaacplus_dec->str_sbr_tables,
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|       p_obj_enhaacplus_dec->common_tables);
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| }
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| 
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| ia_bit_buf_struct *ixheaacd_create_bit_buf(ia_bit_buf_struct *it_bit_buff,
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|                                            UWORD8 *ptr_bit_buf_base,
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|                                            WORD32 bit_buf_size) {
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|   it_bit_buff->ptr_bit_buf_base = ptr_bit_buf_base;
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|   it_bit_buff->ptr_bit_buf_end = ptr_bit_buf_base + bit_buf_size - 1;
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| 
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|   it_bit_buff->ptr_read_next = ptr_bit_buf_base;
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|   it_bit_buff->bit_pos = 7;
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| 
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|   it_bit_buff->cnt_bits = 0;
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|   it_bit_buff->size = bit_buf_size << 3;
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| 
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|   it_bit_buff->adts_header_present = 0;
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|   it_bit_buff->protection_absent = 0;
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|   it_bit_buff->pstr_adts_crc_info = &it_bit_buff->str_adts_crc_info;
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| 
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|   it_bit_buff->max_size = it_bit_buff->size;
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| 
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|   ixheaacd_adts_crc_open(it_bit_buff->pstr_adts_crc_info);
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| 
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|   return it_bit_buff;
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| }
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| 
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| VOID ixheaacd_create_init_bit_buf(ia_bit_buf_struct *it_bit_buff,
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|                                   UWORD8 *ptr_bit_buf_base,
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|                                   WORD32 bit_buf_size) {
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|   ixheaacd_create_bit_buf(it_bit_buff, ptr_bit_buf_base, bit_buf_size);
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|   it_bit_buff->cnt_bits = (bit_buf_size << 3);
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|   return;
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| }
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| 
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| VOID ixheaacd_read_bidirection(ia_bit_buf_struct *it_bit_buff,
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|                                WORD32 ixheaacd_drc_offset) {
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|   if (ixheaacd_drc_offset != 0) {
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|     WORD32 byte_offset;
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|     if ((it_bit_buff->cnt_bits < 0) ||
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|         (it_bit_buff->cnt_bits - ixheaacd_drc_offset < 0) ||
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|         (it_bit_buff->cnt_bits - ixheaacd_drc_offset > it_bit_buff->size)) {
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|       longjmp(*(it_bit_buff->xaac_jmp_buf),
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|               IA_ENHAACPLUS_DEC_EXE_NONFATAL_INSUFFICIENT_INPUT_BYTES);
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|     }
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|     it_bit_buff->cnt_bits = it_bit_buff->cnt_bits - ixheaacd_drc_offset;
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|     it_bit_buff->bit_pos = it_bit_buff->bit_pos - ixheaacd_drc_offset;
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|     byte_offset = it_bit_buff->bit_pos >> 3;
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|     it_bit_buff->bit_pos = it_bit_buff->bit_pos - (byte_offset << 3);
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| 
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|     if (byte_offset) {
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|       UWORD8 *ptr_read_next;
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| 
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|       ptr_read_next = it_bit_buff->ptr_read_next;
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| 
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|       ptr_read_next = ptr_read_next - (byte_offset);
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| 
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|       it_bit_buff->ptr_read_next = ptr_read_next;
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|     }
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|   }
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| }
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