1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/******************************************************************************
* *
* Copyright (C) 2023 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 "ixheaac_type_def.h"
#include "ixheaac_constants.h"
#include "ixheaace_sbr_def.h"
#include "ixheaace_resampler.h"
#include "ixheaace_sbr_rom.h"
#include "ixheaace_common_rom.h"
#include "ixheaace_sbr_qmf_enc.h"
#include "ixheaace_sbr_hybrid.h"
#include "ixheaace_aac_constants.h"
#include "ixheaac_basic_ops32.h"
#include "ixheaac_basic_ops16.h"
#include "ixheaac_basic_ops40.h"
#include "ixheaac_basic_ops.h"
#include "ixheaac_error_standards.h"
VOID ixheaace_create_synthesis_qmf_bank(
ixheaace_pstr_sbr_qmf_filter_bank pstr_sbr_qmf_filter_bank, WORD32 *ptr_common_buffer,
ixheaace_str_sbr_tabs *pstr_sbr_tab) {
WORD32 *ptr_temp;
ptr_temp =
&ptr_common_buffer[5 * NO_OF_ESTIMATES * MAXIMUM_FREQ_COEFFS + IXHEAACE_PS_BUF4_SIZE];
memset(pstr_sbr_qmf_filter_bank, 0, sizeof(ixheaace_str_sbr_qmf_filter_bank));
pstr_sbr_qmf_filter_bank->ptr_flt_filter = pstr_sbr_tab->ptr_qmf_tab->sbr_p_64_640_qmf;
pstr_sbr_qmf_filter_bank->ptr_flt_alt_sin_twiddle =
pstr_sbr_tab->ptr_qmf_tab->sbr_alt_sin_twiddle;
pstr_sbr_qmf_filter_bank->ptr_flt_cos_twiddle = pstr_sbr_tab->ptr_qmf_tab->sbr_cos_sin_twiddle;
pstr_sbr_qmf_filter_bank->ptr_flt_work_buf = (FLOAT32 *)ptr_temp;
ptr_temp += 64;
pstr_sbr_qmf_filter_bank->ptr_flt_time_buf = (FLOAT32 *)ptr_temp;
}
VOID ixheaace_create_qmf_bank(ixheaace_pstr_sbr_qmf_filter_bank pstr_sbr_qmf_filter_bank,
ixheaace_str_sbr_tabs *pstr_sbr_tab, WORD32 is_ld_sbr) {
pstr_sbr_qmf_filter_bank->offset = 0;
pstr_sbr_qmf_filter_bank->flag = 0;
pstr_sbr_qmf_filter_bank->ptr_filter =
(is_ld_sbr) ? &cld_fb_64_640[0] : pstr_sbr_tab->ptr_qmf_tab->sbr_qmf_64_640;
pstr_sbr_qmf_filter_bank->ptr_qmf_states_buf =
(FLOAT32 *)pstr_sbr_qmf_filter_bank->ptr_sbr_qmf_states_ana;
if (is_ld_sbr) {
pstr_sbr_qmf_filter_bank->ptr_qmf_states_curr_pos =
(FLOAT32 *)pstr_sbr_qmf_filter_bank->ptr_qmf_states_buf;
pstr_sbr_qmf_filter_bank->ptr_fp1 = pstr_sbr_qmf_filter_bank->ptr_qmf_states_buf;
pstr_sbr_qmf_filter_bank->ptr_fp2 = pstr_sbr_qmf_filter_bank->ptr_qmf_states_buf + 64;
pstr_sbr_qmf_filter_bank->start_coeff_cnt = 0;
}
pstr_sbr_qmf_filter_bank->ptr_ref_coeff_l = pstr_sbr_tab->ptr_qmf_tab->sbr_qmf_64_640 + 10;
pstr_sbr_qmf_filter_bank->ptr_ref_coeff_r = pstr_sbr_tab->ptr_qmf_tab->sbr_qmf_64_640 + 640;
pstr_sbr_qmf_filter_bank->ptr_cld_filt = pstr_sbr_tab->ptr_qmf_tab->sbr_cld_fb;
pstr_sbr_qmf_filter_bank->offset_l = 5;
pstr_sbr_qmf_filter_bank->offset_r = 5;
memset(pstr_sbr_qmf_filter_bank->ptr_qmf_states_buf, 0,
QMF_FILTER_LENGTH * sizeof(pstr_sbr_qmf_filter_bank->ptr_qmf_states_buf[0]));
}
|
