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