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
87
88
|
/*
* Copyright (C) 2004-2010 NXP Software
* Copyright (C) 2010 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.
*/
/************************************************************************************
$Author: beq07716 $
$Revision: 1001 $
$Date: 2010-06-28 13:23:02 +0200 (Mon, 28 Jun 2010) $
*************************************************************************************/
#ifndef __LVCS_STEREOENHANCER_H__
#define __LVCS_STEREOENHANCER_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/************************************************************************************/
/* */
/* Includes */
/* */
/************************************************************************************/
#include "Filters.h" /* Filter definitions */
#include "LVCS_Headphone_Coeffs.h" /* Headphone coefficients */
#include "BIQUAD.h"
/************************************************************************************/
/* */
/* Structures */
/* */
/************************************************************************************/
/* Stereo enhancer structure */
typedef struct
{
/*
* Middle filter
*/
void (*pBiquadCallBack_Mid)(Biquad_Instance_t*, LVM_INT16*, LVM_INT16*, LVM_INT16);
/*
* Side filter
*/
void (*pBiquadCallBack_Side)(Biquad_Instance_t*, LVM_INT16*, LVM_INT16*, LVM_INT16);
LVM_UINT16 MidGain; /* Middle gain in mobile speaker mode */
} LVCS_StereoEnhancer_t;
/************************************************************************************/
/* */
/* Function prototypes */
/* */
/************************************************************************************/
LVCS_ReturnStatus_en LVCS_SEnhancerInit(LVCS_Handle_t hInstance,
LVCS_Params_t *pParams);
LVCS_ReturnStatus_en LVCS_StereoEnhancer(LVCS_Handle_t hInstance,
const LVM_INT16 *pInData,
LVM_INT16 *pOutData,
LVM_UINT16 NumSamples);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* STEREOENHANCE_H */
|
