blob: 7c3ea334b1380eaf60d5ee63cfe809d3770f0707 (
plain)
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
|
/******************************************************************************
* *
* 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
struct ixheaace_mps_dc_filter {
FLOAT32 exp_c;
FLOAT32 state;
};
typedef struct ixheaace_mps_dc_filter ixheaace_mps_dc_filter, *ixheaace_mps_pstr_dc_filter;
VOID ixheaace_mps_212_init_dc_filter(ixheaace_mps_pstr_dc_filter pstr_dc_filter,
const UWORD32 sample_rate);
VOID ixheaace_mps_212_apply_dc_filter(ixheaace_mps_pstr_dc_filter pstr_dc_filter,
const FLOAT32 *const signal_in, FLOAT32 *const signal_out,
const WORD32 signal_length);
|