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
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)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
ixheaacd_create_bit_buf(ia_bit_buf_struct * it_bit_buff,UWORD8 * ptr_bit_buf_base,WORD32 bit_buf_size)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
ixheaacd_create_init_bit_buf(ia_bit_buf_struct * it_bit_buff,UWORD8 * ptr_bit_buf_base,WORD32 bit_buf_size)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
ixheaacd_read_bidirection(ia_bit_buf_struct * it_bit_buff,WORD32 ixheaacd_drc_offset)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