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
|
/******************************************************************************
* *
* 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
*/
#pragma once
#ifndef IXHEAACE_MAX_CH_IN_BS_ELE
#define IXHEAACE_MAX_CH_IN_BS_ELE (2)
#endif
#define FRAME_LEN_BYTES_MODULO (1)
#define FRAME_LEN_BYTES_INT (2)
typedef struct {
WORD32 ch_bitrate;
WORD32 avg_bits;
WORD32 max_bits;
WORD32 bit_res_lvl;
WORD32 max_bitres_bits;
WORD32 static_bits;
FLOAT32 max_bit_fac;
WORD32 tot_avg_bits;
WORD32 padding;
ia_adj_thr_state_struct str_adj_thr;
ia_adj_thr_elem_struct str_adj_thr_ele;
WORD8 num_ch;
} ia_qc_data_struct;
typedef struct {
WORD16 quant_spec[LEN_SUPERFRAME];
UWORD16 max_val_in_sfb[LEN_SUPERFRAME];
WORD16 scalefactor[LEN_SUPERFRAME];
WORD32 global_gain;
} ia_qc_out_chan_struct;
typedef struct {
ia_qc_out_chan_struct str_qc_out_chan[IXHEAACE_MAX_CH_IN_BS_ELE];
WORD32 static_bits;
WORD32 dyn_bits;
WORD32 fill_bits;
FLOAT32 pe;
} ia_qc_out_data_struct;
typedef struct {
ia_qc_data_struct str_qc_data[IXHEAACE_MAX_CH_IN_BS_ELE];
ia_qc_out_data_struct str_qc_out;
} ia_qc_main_struct;
VOID iusace_qc_create(ia_qc_main_struct *pstr_qc_data);
VOID iusace_qc_init(ia_qc_data_struct *pstr_qc_data, const WORD32 max_bits, WORD32 sample_rate,
WORD32 bw_limit, WORD32 channels, WORD32 ccfl);
VOID iusace_adj_bitrate(ia_qc_data_struct *pstr_qc_data, WORD32 bit_rate, WORD32 sample_rate,
WORD32 ccfl);
WORD32 iusace_calc_max_val_in_sfb(WORD32 sfb_count, WORD32 max_sfb_per_grp, WORD32 sfb_per_group,
WORD32 *ptr_sfb_offset, WORD16 *ptr_quant_spec);
|