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_type_def.h"
22
23 #include "ixheaacd_sbr_common.h"
24
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_basic_ops.h"
30 #include "ixheaacd_bitbuffer.h"
31
32 #include "ixheaacd_basic_op.h"
33 #include "ixheaacd_intrinsics.h"
34
35 #include "ixheaacd_defines.h"
36
37 #include "ixheaacd_aac_rom.h"
38
39 #include "ixheaacd_definitions.h"
40
41 #include "ixheaacd_error_codes.h"
42
43 #include "ixheaacd_pulsedata.h"
44
45 #include "ixheaacd_pns.h"
46 #include "ixheaacd_drc_data_struct.h"
47
48 #include "ixheaacd_lt_predict.h"
49 #include "ixheaacd_cnst.h"
50 #include "ixheaacd_ec_defines.h"
51 #include "ixheaacd_ec_struct_def.h"
52
53 #include "ixheaacd_channelinfo.h"
54 #include "ixheaacd_drc_dec.h"
55
56 #include "ixheaacd_sbrdecoder.h"
57 #include "ixheaacd_block.h"
58 #include "ixheaacd_channel.h"
59
60 #include "ixheaacd_sbr_payload.h"
61 #include "ixheaacd_common_rom.h"
62 #include "ixheaacd_sbrdecsettings.h"
63 #include "ixheaacd_sbr_scale.h"
64 #include "ixheaacd_env_extr_part.h"
65 #include "ixheaacd_sbr_rom.h"
66
67 #include "ixheaacd_lpp_tran.h"
68 #include "ixheaacd_hybrid.h"
69 #include "ixheaacd_ps_dec.h"
70
71 #include "ixheaacd_env_extr.h"
72 #include "ixheaacd_adts.h"
73 #include "ixheaacd_audioobjtypes.h"
74 #include "ixheaacd_memory_standards.h"
75
76 #include "ixheaacd_latmdemux.h"
77
78 #include "ixheaacd_aacdec.h"
79 #include "ixheaacd_mps_polyphase.h"
80 #include "ixheaacd_config.h"
81 #include "ixheaacd_qmf_dec.h"
82 #include "ixheaacd_mps_macro_def.h"
83 #include "ixheaacd_mps_struct_def.h"
84 #include "ixheaacd_mps_res_rom.h"
85 #include "ixheaacd_mps_aac_struct.h"
86 #include "ixheaacd_mps_dec.h"
87
88 #include "ixheaacd_struct_def.h"
89
90 #include "ixheaacd_multichannel.h"
91
92 #define ALIGN_SIZE64(x) ((((x) + 7) >> 3) << 3)
93
ixheaacd_set_aac_persistent_buffers(VOID * aac_persistent_mem_v,WORD32 num_channel)94 WORD32 ixheaacd_set_aac_persistent_buffers(VOID *aac_persistent_mem_v,
95 WORD32 num_channel) {
96 WORD32 persistent_used;
97
98 struct ia_aac_persistent_struct *aac_persistent_mem =
99 (struct ia_aac_persistent_struct *)aac_persistent_mem_v;
100
101 persistent_used = sizeof(struct ia_aac_persistent_struct);
102
103 memset(aac_persistent_mem, 0, sizeof(struct ia_aac_persistent_struct));
104 aac_persistent_mem->overlap_buffer =
105 (WORD32 *)((WORD8 *)aac_persistent_mem_v + persistent_used);
106
107 memset((WORD32 *)((WORD8 *)aac_persistent_mem_v + persistent_used), 0,
108 4 * 512 * num_channel * sizeof(WORD32));
109
110 persistent_used += 4 * 512 * num_channel * sizeof(WORD32);
111
112 aac_persistent_mem->sbr_payload_buffer =
113 (WORD8 *)((WORD8 *)aac_persistent_mem_v + persistent_used);
114
115 memset((WORD16 *)((WORD8 *)aac_persistent_mem_v + persistent_used), 0,
116 ALIGN_SIZE64(MAXSBRBYTES) * num_channel * sizeof(WORD8));
117
118 persistent_used += ALIGN_SIZE64(MAXSBRBYTES) * num_channel * sizeof(WORD8);
119
120 aac_persistent_mem->prev_sbr_payload_buffer =
121 (WORD8 *)((WORD8 *)aac_persistent_mem_v + persistent_used);
122
123 memset((WORD8 *)aac_persistent_mem->prev_sbr_payload_buffer, 0,
124 ALIGN_SIZE64(MAXSBRBYTES) * num_channel *
125 sizeof(*(aac_persistent_mem->prev_sbr_payload_buffer)));
126
127 persistent_used += ALIGN_SIZE64(MAXSBRBYTES) * num_channel *
128 sizeof(*(aac_persistent_mem->prev_sbr_payload_buffer));
129
130 {
131 WORD32 i;
132
133 for (i = 0; i < num_channel; i++) {
134 aac_persistent_mem->ltp_buf[i] =
135 (WORD16 *)((WORD8 *)aac_persistent_mem_v + persistent_used);
136
137 memset((WORD16 *)((WORD8 *)aac_persistent_mem_v + persistent_used), 0,
138 ltp_buffer_size * sizeof(WORD16));
139
140 persistent_used += (ltp_buffer_size * sizeof(WORD16));
141
142 aac_persistent_mem->ptr_aac_dec_static_channel_info[i] =
143 (ia_aac_dec_channel_info *)((WORD8 *)aac_persistent_mem_v +
144 persistent_used);
145 persistent_used += sizeof(ia_aac_dec_channel_info);
146
147 aac_persistent_mem->ptr_aac_dec_static_channel_info[i]
148 ->overlap_add_data.win_shape = 0;
149 aac_persistent_mem->ptr_aac_dec_static_channel_info[i]
150 ->overlap_add_data.win_seq = 0;
151
152 aac_persistent_mem->ptr_aac_dec_static_channel_info[i]
153 ->overlap_add_data.ptr_overlap_buf =
154 &aac_persistent_mem->overlap_buffer[i * OVERLAP_BUFFER_SIZE];
155 }
156 }
157
158 return persistent_used;
159 }
160
ixheaacd_huff_tables_create(ia_aac_dec_tables_struct * ptr_aac_tables)161 VOID ixheaacd_huff_tables_create(ia_aac_dec_tables_struct *ptr_aac_tables) {
162 ptr_aac_tables->code_book[0] = 0;
163 ptr_aac_tables->code_book[1] =
164 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb1;
165 ptr_aac_tables->code_book[2] =
166 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb2;
167 ptr_aac_tables->code_book[3] =
168 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb3;
169 ptr_aac_tables->code_book[4] =
170 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb4;
171 ptr_aac_tables->code_book[5] =
172 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb5;
173 ptr_aac_tables->code_book[6] =
174 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb6;
175 ptr_aac_tables->code_book[7] =
176 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb7;
177 ptr_aac_tables->code_book[8] =
178 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb8;
179 ptr_aac_tables->code_book[9] =
180 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb9;
181 ptr_aac_tables->code_book[10] =
182 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb10;
183 ptr_aac_tables->code_book[11] =
184 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb10;
185 ptr_aac_tables->code_book[12] =
186 (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb10;
187
188 ptr_aac_tables->index_table[1] =
189 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf1;
190 ptr_aac_tables->index_table[2] =
191 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf2;
192 ptr_aac_tables->index_table[3] =
193 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf3;
194 ptr_aac_tables->index_table[4] =
195 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf4;
196 ptr_aac_tables->index_table[5] =
197 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf5;
198 ptr_aac_tables->index_table[6] =
199 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf6;
200 ptr_aac_tables->index_table[7] =
201 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf7;
202 ptr_aac_tables->index_table[8] =
203 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf8;
204 ptr_aac_tables->index_table[9] =
205 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf9;
206 ptr_aac_tables->index_table[10] =
207 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf10;
208 ptr_aac_tables->index_table[11] =
209 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf10;
210 ptr_aac_tables->index_table[12] =
211 (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf10;
212
213 ptr_aac_tables->scale_factor_bands_short[0] =
214 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_128;
215 ptr_aac_tables->scale_factor_bands_short[1] =
216 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_128;
217 ptr_aac_tables->scale_factor_bands_short[2] =
218 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_128;
219 ptr_aac_tables->scale_factor_bands_short[3] =
220 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_128;
221 ptr_aac_tables->scale_factor_bands_short[4] =
222 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_128;
223 ptr_aac_tables->scale_factor_bands_short[5] =
224 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_128;
225 ptr_aac_tables->scale_factor_bands_short[6] =
226 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_128;
227 ptr_aac_tables->scale_factor_bands_short[7] =
228 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_128;
229 ptr_aac_tables->scale_factor_bands_short[8] =
230 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_128;
231 ptr_aac_tables->scale_factor_bands_short[9] =
232 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_128;
233 ptr_aac_tables->scale_factor_bands_short[10] =
234 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_128;
235 ptr_aac_tables->scale_factor_bands_short[11] =
236 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_8_128;
237
238 ptr_aac_tables->scale_factor_bands_short[12] =
239 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_120;
240 ptr_aac_tables->scale_factor_bands_short[13] =
241 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_120;
242 ptr_aac_tables->scale_factor_bands_short[14] =
243 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_120;
244 ptr_aac_tables->scale_factor_bands_short[15] =
245 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_120;
246 ptr_aac_tables->scale_factor_bands_short[16] =
247 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_120;
248 ptr_aac_tables->scale_factor_bands_short[17] =
249 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_120;
250 ptr_aac_tables->scale_factor_bands_short[18] =
251 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_120;
252 ptr_aac_tables->scale_factor_bands_short[19] =
253 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_120;
254 ptr_aac_tables->scale_factor_bands_short[20] =
255 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_120;
256 ptr_aac_tables->scale_factor_bands_short[21] =
257 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_120;
258 ptr_aac_tables->scale_factor_bands_short[22] =
259 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_120;
260 ptr_aac_tables->scale_factor_bands_short[23] =
261 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_8_120;
262
263 ptr_aac_tables->scale_factor_bands_long[0] =
264 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_1024;
265 ptr_aac_tables->scale_factor_bands_long[1] =
266 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_1024;
267 ptr_aac_tables->scale_factor_bands_long[2] =
268 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_64_1024;
269 ptr_aac_tables->scale_factor_bands_long[3] =
270 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_1024;
271 ptr_aac_tables->scale_factor_bands_long[4] =
272 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_1024;
273 ptr_aac_tables->scale_factor_bands_long[5] =
274 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_32_1024;
275 ptr_aac_tables->scale_factor_bands_long[6] =
276 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_1024;
277 ptr_aac_tables->scale_factor_bands_long[7] =
278 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_1024;
279 ptr_aac_tables->scale_factor_bands_long[8] =
280 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_1024;
281 ptr_aac_tables->scale_factor_bands_long[9] =
282 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_1024;
283 ptr_aac_tables->scale_factor_bands_long[10] =
284 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_1024;
285 ptr_aac_tables->scale_factor_bands_long[11] =
286 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_8_1024;
287
288 ptr_aac_tables->scale_factor_bands_long[12] =
289 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_960;
290 ptr_aac_tables->scale_factor_bands_long[13] =
291 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_960;
292 ptr_aac_tables->scale_factor_bands_long[14] =
293 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_64_960;
294 ptr_aac_tables->scale_factor_bands_long[15] =
295 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_960;
296 ptr_aac_tables->scale_factor_bands_long[16] =
297 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_960;
298 ptr_aac_tables->scale_factor_bands_long[17] =
299 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_960;
300 ptr_aac_tables->scale_factor_bands_long[18] =
301 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_960;
302 ptr_aac_tables->scale_factor_bands_long[19] =
303 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_960;
304 ptr_aac_tables->scale_factor_bands_long[20] =
305 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_960;
306 ptr_aac_tables->scale_factor_bands_long[21] =
307 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_960;
308 ptr_aac_tables->scale_factor_bands_long[22] =
309 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_960;
310 ptr_aac_tables->scale_factor_bands_long[23] =
311 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_8_960;
312
313 ptr_aac_tables->scale_fac_bands_512[0] =
314 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512;
315 ptr_aac_tables->scale_fac_bands_512[1] =
316 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512;
317 ptr_aac_tables->scale_fac_bands_512[2] =
318 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512;
319 ptr_aac_tables->scale_fac_bands_512[3] =
320 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512;
321 ptr_aac_tables->scale_fac_bands_512[4] =
322 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512;
323 ptr_aac_tables->scale_fac_bands_512[5] =
324 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_32_512;
325 ptr_aac_tables->scale_fac_bands_512[6] =
326 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
327 ptr_aac_tables->scale_fac_bands_512[7] =
328 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
329 ptr_aac_tables->scale_fac_bands_512[8] =
330 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
331 ptr_aac_tables->scale_fac_bands_512[9] =
332 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
333 ptr_aac_tables->scale_fac_bands_512[10] =
334 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
335 ptr_aac_tables->scale_fac_bands_512[11] =
336 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
337 ptr_aac_tables->scale_fac_bands_512[12] =
338 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
339 ptr_aac_tables->scale_fac_bands_512[13] =
340 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
341 ptr_aac_tables->scale_fac_bands_512[14] =
342 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
343 ptr_aac_tables->scale_fac_bands_512[15] =
344 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
345
346 ptr_aac_tables->scale_fac_bands_480[0] =
347 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480;
348 ptr_aac_tables->scale_fac_bands_480[1] =
349 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480;
350 ptr_aac_tables->scale_fac_bands_480[2] =
351 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480;
352 ptr_aac_tables->scale_fac_bands_480[3] =
353 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480;
354 ptr_aac_tables->scale_fac_bands_480[4] =
355 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480;
356 ptr_aac_tables->scale_fac_bands_480[5] =
357 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_32_480;
358 ptr_aac_tables->scale_fac_bands_480[6] =
359 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
360 ptr_aac_tables->scale_fac_bands_480[7] =
361 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
362 ptr_aac_tables->scale_fac_bands_480[8] =
363 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
364 ptr_aac_tables->scale_fac_bands_480[9] =
365 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
366 ptr_aac_tables->scale_fac_bands_480[10] =
367 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
368 ptr_aac_tables->scale_fac_bands_480[11] =
369 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
370 ptr_aac_tables->scale_fac_bands_480[12] =
371 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
372 ptr_aac_tables->scale_fac_bands_480[13] =
373 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
374 ptr_aac_tables->scale_fac_bands_480[14] =
375 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
376 ptr_aac_tables->scale_fac_bands_480[15] =
377 ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
378 }
379
ixheaacd_aac_decoder_init(ia_aac_dec_state_struct * p_state_enhaacplus_dec,ia_aac_dec_sbr_bitstream_struct * ptr_sbr_bitstream,WORD channels,VOID * aac_persistent_mem_v,WORD32 frame_length)380 ia_aac_decoder_struct *ixheaacd_aac_decoder_init(
381 ia_aac_dec_state_struct *p_state_enhaacplus_dec,
382 ia_aac_dec_sbr_bitstream_struct *ptr_sbr_bitstream, WORD channels,
383 VOID *aac_persistent_mem_v, WORD32 frame_length) {
384 WORD i, ch;
385 struct ia_aac_persistent_struct *aac_persistent_mem;
386 aac_persistent_mem = (struct ia_aac_persistent_struct *)aac_persistent_mem_v;
387
388 aac_persistent_mem->str_aac_decoder.pstr_sbr_bitstream = ptr_sbr_bitstream;
389
390 for (ch = 0; ch < channels; ch++) {
391 ia_aac_decoder_struct *aac_dec_handle =
392 &aac_persistent_mem->str_aac_decoder;
393 aac_dec_handle->pstr_aac_dec_overlap_info[ch] =
394 &aac_persistent_mem->str_aac_dec_overlap_info[ch];
395 aac_dec_handle->pstr_pns_rand_vec_data =
396 &aac_persistent_mem->str_pns_rand_vec_data;
397
398 aac_dec_handle->pstr_aac_dec_overlap_info[ch]->window_shape = 0;
399 aac_dec_handle->pstr_aac_dec_overlap_info[ch]->window_sequence = 0;
400 if (p_state_enhaacplus_dec->audio_object_type == AOT_ER_AAC_ELD)
401 aac_dec_handle->pstr_aac_dec_overlap_info[ch]->ptr_overlap_buf =
402 &aac_persistent_mem->overlap_buffer[ch * 4 * OVERLAP_BUFFER_SIZE];
403 else
404 aac_dec_handle->pstr_aac_dec_overlap_info[ch]->ptr_overlap_buf =
405 &aac_persistent_mem->overlap_buffer[ch * OVERLAP_BUFFER_SIZE];
406
407 {
408 WORD32 *ptr_overlap_buf =
409 aac_dec_handle->pstr_aac_dec_overlap_info[ch]->ptr_overlap_buf;
410 memset(ptr_overlap_buf, 0, sizeof(WORD32) * 4 * 512);
411 }
412 aac_persistent_mem->str_aac_decoder.ptr_aac_dec_static_channel_info[ch] =
413 aac_persistent_mem->ptr_aac_dec_static_channel_info[ch];
414 aac_persistent_mem->str_aac_decoder.ptr_aac_dec_static_channel_info[ch]
415 ->ltp_buf = aac_persistent_mem->ltp_buf[ch];
416 }
417
418 for (i = 0; i < 1; i++) {
419 ia_aac_dec_sbr_bitstream_struct *ptr_sbr_bitstream =
420 &aac_persistent_mem->str_aac_decoder.pstr_sbr_bitstream[i];
421
422 ptr_sbr_bitstream->no_elements = 0;
423 ptr_sbr_bitstream->str_sbr_ele[0].ptr_sbr_data =
424 &aac_persistent_mem->sbr_payload_buffer[ALIGN_SIZE64(MAXSBRBYTES) * i];
425 ptr_sbr_bitstream->str_sbr_ele[0].ptr_prev_sbr_data =
426 &aac_persistent_mem->prev_sbr_payload_buffer[ALIGN_SIZE64(MAXSBRBYTES) * i];
427 ptr_sbr_bitstream->str_sbr_ele[0].sbr_ele_id = ID_SCE;
428 ptr_sbr_bitstream->str_sbr_ele[0].size_payload = 0;
429 ptr_sbr_bitstream->str_sbr_ele[0].prev_size_payload = 0;
430 ptr_sbr_bitstream->str_sbr_ele[0].prev_sbr_ele_id = ID_SCE;
431 ptr_sbr_bitstream->str_sbr_ele[0].size_payload_old = 0;
432 }
433
434 {
435 ia_aac_dec_tables_struct *ptr_aac_tables =
436 aac_persistent_mem->str_aac_decoder.pstr_aac_tables;
437 ia_aac_dec_huffman_tables_struct *pstr_huffmann_tables =
438 ptr_aac_tables->pstr_huffmann_tables;
439
440 WORD num_entries = sizeof(pstr_huffmann_tables->str_sample_rate_info) /
441 sizeof(ia_sampling_rate_info_struct);
442
443 WORD32 sampling_rate = p_state_enhaacplus_dec->sampling_rate;
444 WORD sfidx;
445
446 i = 0;
447 while ((i < num_entries) &&
448 sampling_rate != ((pstr_huffmann_tables->str_sample_rate_info[i]
449 .sampling_frequency))) {
450 i++;
451 }
452 if (i == 12) {
453 i = i - 1;
454 }
455
456 if (i == num_entries) {
457 return NULL;
458 }
459 sfidx = i;
460
461 if (frame_length == 1024 || frame_length == 960) {
462 WORD16 *psfb_table_idx[2];
463 const WORD8 *psfb_width[2];
464 WORD width_idx;
465 WORD32 j;
466
467 if (frame_length == 960)
468 sfidx += 12;
469
470 psfb_table_idx[0] = ptr_aac_tables->sfb_long_table;
471 psfb_table_idx[1] = ptr_aac_tables->sfb_short_table;
472
473 psfb_width[0] = ptr_aac_tables->scale_factor_bands_long[sfidx];
474 psfb_width[1] = ptr_aac_tables->scale_factor_bands_short[sfidx];
475
476 for (j = 1; j >= 0; j--) {
477 const WORD8 *ptr_width = psfb_width[j];
478 WORD16 *ptable_idx = psfb_table_idx[j];
479 width_idx = 0;
480 *ptable_idx++ = width_idx;
481 do {
482 width_idx += (*ptr_width++);
483 *ptable_idx++ = width_idx;
484 } while (*ptr_width != -1);
485
486 aac_persistent_mem->str_aac_decoder.num_swb_window[j] =
487 (WORD8)(ptr_width - psfb_width[j]);
488 }
489
490 {
491 ptr_aac_tables->str_aac_sfb_info[0].sfb_index =
492 ptr_aac_tables->sfb_long_table;
493 ptr_aac_tables->str_aac_sfb_info[1].sfb_index =
494 ptr_aac_tables->sfb_long_table;
495 ptr_aac_tables->str_aac_sfb_info[3].sfb_index =
496 ptr_aac_tables->sfb_long_table;
497
498 ptr_aac_tables->str_aac_sfb_info[2].sfb_index =
499 ptr_aac_tables->sfb_short_table;
500
501 ptr_aac_tables->str_aac_sfb_info[0].sfb_width = (WORD8 *)psfb_width[0];
502 ptr_aac_tables->str_aac_sfb_info[1].sfb_width = (WORD8 *)psfb_width[0];
503 ptr_aac_tables->str_aac_sfb_info[3].sfb_width = (WORD8 *)psfb_width[0];
504
505 ptr_aac_tables->str_aac_sfb_info[2].sfb_width = (WORD8 *)psfb_width[1];
506 }
507 } else {
508 WORD16 *ptr_sfb_idx[2];
509 const WORD8 *ptr_sfb_width[2] = {0};
510 WORD width_idx;
511 WORD32 j;
512
513 ptr_sfb_idx[0] = ptr_aac_tables->sfb_long_table;
514 ptr_sfb_idx[1] = ptr_aac_tables->sfb_short_table;
515
516 if (frame_length == 512)
517 ptr_sfb_width[0] = ptr_aac_tables->scale_fac_bands_512[i];
518 else
519 ptr_sfb_width[0] = ptr_aac_tables->scale_fac_bands_480[i];
520
521 for (j = 0; j >= 0; j--) {
522 const WORD8 *ptr_width = ptr_sfb_width[j];
523 WORD16 *ptr_idx = ptr_sfb_idx[j];
524 width_idx = 0;
525 *ptr_idx++ = width_idx;
526 do {
527 width_idx += (*ptr_width++);
528 *ptr_idx++ = width_idx;
529 } while (*ptr_width != -1);
530
531 aac_persistent_mem->str_aac_decoder.num_swb_window[j] =
532 (WORD8)(ptr_width - ptr_sfb_width[j]);
533 }
534
535 {
536 ptr_aac_tables->str_aac_sfb_info[0].sfb_index =
537 ptr_aac_tables->sfb_long_table;
538 ptr_aac_tables->str_aac_sfb_info[1].sfb_index =
539 ptr_aac_tables->sfb_long_table;
540 ptr_aac_tables->str_aac_sfb_info[3].sfb_index =
541 ptr_aac_tables->sfb_long_table;
542 ptr_aac_tables->str_aac_sfb_info[2].sfb_index =
543 ptr_aac_tables->sfb_short_table;
544
545 ptr_aac_tables->str_aac_sfb_info[0].sfb_width =
546 (WORD8 *)ptr_sfb_width[0];
547 ptr_aac_tables->str_aac_sfb_info[1].sfb_width =
548 (WORD8 *)ptr_sfb_width[0];
549 ptr_aac_tables->str_aac_sfb_info[3].sfb_width =
550 (WORD8 *)ptr_sfb_width[0];
551 ptr_aac_tables->str_aac_sfb_info[2].sfb_width =
552 (WORD8 *)ptr_sfb_width[1];
553 }
554 }
555 {
556 ia_aac_decoder_struct *aac_dec_handle =
557 &aac_persistent_mem->str_aac_decoder;
558 aac_dec_handle->sampling_rate_index = (WORD16)i;
559 aac_dec_handle->sampling_rate = sampling_rate;
560 aac_dec_handle->channels = 1;
561 aac_dec_handle->block_number = 0;
562 aac_dec_handle->samples_per_frame = frame_length;
563 }
564 }
565
566 return &(aac_persistent_mem->str_aac_decoder);
567 }
568