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