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 #include <string.h> 21 #include "ixheaacd_sbr_common.h" 22 #include <ixheaacd_type_def.h> 23 24 #include <ixheaacd_type_def.h> 25 #include "ixheaacd_constants.h" 26 #include <ixheaacd_basic_ops32.h> 27 #include <ixheaacd_basic_ops16.h> 28 #include <ixheaacd_basic_ops40.h> 29 #include "ixheaacd_bitbuffer.h" 30 #include "ixheaacd_defines.h" 31 #include <ixheaacd_aac_rom.h> 32 #include "ixheaacd_pulsedata.h" 33 34 #include "ixheaacd_pns.h" 35 #include "ixheaacd_drc_data_struct.h" 36 37 #include "ixheaacd_lt_predict.h" 38 39 #include "ixheaacd_channelinfo.h" 40 #include "ixheaacd_drc_dec.h" 41 #include "ixheaacd_sbrdecoder.h" 42 43 #include "ixheaacd_audioobjtypes.h" 44 #include "ixheaacd_sbrdecsettings.h" 45 #include "ixheaacd_memory_standards.h" 46 #include "ixheaacd_error_codes.h" 47 48 #include "ixheaacd_defines.h" 49 50 #include "ixheaacd_sbr_scale.h" 51 #include "ixheaacd_lpp_tran.h" 52 #include "ixheaacd_env_extr_part.h" 53 #include <ixheaacd_sbr_rom.h> 54 55 #include "ixheaacd_hybrid.h" 56 #include "ixheaacd_ps_dec.h" 57 #include "ixheaacd_ps_bitdec.h" 58 59 #include "ixheaacd_pulsedata.h" 60 61 #include "ixheaacd_env_extr.h" 62 #include "ixheaacd_common_rom.h" 63 #include "ixheaacd_block.h" 64 #include "ixheaacd_channel.h" 65 66 #include "ixheaacd_audioobjtypes.h" 67 #include "ixheaacd_latmdemux.h" 68 69 #include "ixheaacd_aacdec.h" 70 #include "ixheaacd_mps_polyphase.h" 71 #include "ixheaacd_config.h" 72 #include "ixheaacd_mps_dec.h" 73 #include "ixheaacd_struct_def.h" 74 #include "ixheaacd_headerdecode.h" 75 76 #include "ixheaacd_multichannel.h" 77 78 #include <ixheaacd_basic_op.h> 79 #include "ixheaacd_adts_crc_check.h" 80 #include "ixheaacd_function_selector.h" 81 82 VOID ixheaacd_allocate_mem_persistent( 83 ia_exhaacplus_dec_api_struct *p_obj_enhaacplus_dec, 84 ia_aac_dec_state_struct *p_state_enhaacplus_dec, WORD channels, 85 WORD *persistent_used_total, WORD *sbr_persistent_start, WORD ps_enable) { 86 WORD persistent_used; 87 WORD8 **temp_persistent = 88 (WORD8 **)&(p_state_enhaacplus_dec->aac_persistent_mem_v); 89 *temp_persistent += *persistent_used_total; 90 91 persistent_used = ixheaacd_set_aac_persistent_buffers( 92 p_state_enhaacplus_dec->aac_persistent_mem_v, channels); 93 94 *persistent_used_total += persistent_used; 95 96 *sbr_persistent_start = *persistent_used_total; 97 98 p_state_enhaacplus_dec->sbr_persistent_mem_v = 99 (pVOID)((SIZE_T)((pWORD8)p_state_enhaacplus_dec->aac_persistent_mem_v + 100 persistent_used + sizeof(SIZE_T) - 1) & 101 (SIZE_T)(~(sizeof(SIZE_T) - 1))); 102 103 persistent_used = ixheaacd_getsize_sbr_persistent(); 104 105 ixheaacd_set_sbr_persistent_buffers( 106 p_state_enhaacplus_dec->sbr_persistent_mem_v, &persistent_used, channels, 107 ps_enable); 108 109 *persistent_used_total += persistent_used; 110 111 { 112 struct ia_aac_persistent_struct *aac_persistent_mem = 113 (struct ia_aac_persistent_struct *) 114 p_obj_enhaacplus_dec->p_state_aac->aac_persistent_mem_v; 115 aac_persistent_mem->str_aac_decoder.pstr_aac_tables = 116 &p_obj_enhaacplus_dec->aac_tables; 117 aac_persistent_mem->str_aac_decoder.pstr_common_tables = 118 p_obj_enhaacplus_dec->common_tables; 119 } 120 121 ixheaacd_set_sbr_persistent_table_pointer( 122 p_obj_enhaacplus_dec->p_state_aac->sbr_persistent_mem_v, 123 &p_obj_enhaacplus_dec->str_sbr_tables, 124 p_obj_enhaacplus_dec->common_tables); 125 } 126 127 ia_bit_buf_struct *ixheaacd_create_bit_buf(ia_bit_buf_struct *it_bit_buff, 128 UWORD8 *ptr_bit_buf_base, 129 WORD32 bit_buf_size) { 130 it_bit_buff->ptr_bit_buf_base = ptr_bit_buf_base; 131 it_bit_buff->ptr_bit_buf_end = ptr_bit_buf_base + bit_buf_size - 1; 132 133 it_bit_buff->ptr_read_next = ptr_bit_buf_base; 134 it_bit_buff->bit_pos = 7; 135 136 it_bit_buff->cnt_bits = 0; 137 it_bit_buff->size = bit_buf_size << 3; 138 139 it_bit_buff->adts_header_present = 0; 140 it_bit_buff->protection_absent = 0; 141 it_bit_buff->pstr_adts_crc_info = &it_bit_buff->str_adts_crc_info; 142 143 it_bit_buff->max_size = it_bit_buff->size; 144 145 ixheaacd_adts_crc_open(it_bit_buff->pstr_adts_crc_info); 146 147 return it_bit_buff; 148 } 149 150 ia_bit_buf_struct *ixheaacd_create_init_bit_buf(ia_bit_buf_struct *it_bit_buff, 151 UWORD8 *ptr_bit_buf_base, 152 WORD32 bit_buf_size) { 153 ixheaacd_create_bit_buf(it_bit_buff, ptr_bit_buf_base, bit_buf_size); 154 it_bit_buff->cnt_bits = (bit_buf_size << 3); 155 return (it_bit_buff); 156 } 157 158 VOID ixheaacd_read_bidirection(ia_bit_buf_struct *it_bit_buff, 159 WORD32 ixheaacd_drc_offset) { 160 if (ixheaacd_drc_offset != 0) { 161 WORD32 bit_offset; 162 163 it_bit_buff->cnt_bits = it_bit_buff->cnt_bits - ixheaacd_drc_offset; 164 it_bit_buff->bit_pos = it_bit_buff->bit_pos - ixheaacd_drc_offset; 165 bit_offset = it_bit_buff->bit_pos >> 3; 166 it_bit_buff->bit_pos = it_bit_buff->bit_pos - (bit_offset << 3); 167 168 if (bit_offset) { 169 UWORD8 *ptr_read_next; 170 WORD32 temp; 171 172 ptr_read_next = it_bit_buff->ptr_read_next; 173 174 ptr_read_next = ptr_read_next - (bit_offset); 175 176 temp = it_bit_buff->ptr_bit_buf_end - it_bit_buff->ptr_bit_buf_base + 1; 177 178 if (ptr_read_next > it_bit_buff->ptr_bit_buf_end) { 179 ptr_read_next -= temp; 180 } 181 182 if (ptr_read_next < it_bit_buff->ptr_bit_buf_base) { 183 ptr_read_next += temp; 184 } 185 186 it_bit_buff->ptr_read_next = ptr_read_next; 187 } 188 } 189 } 190
