1 /*
2  * Copyright (C) 2004-2010 NXP Software
3  * Copyright (C) 2010 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 
19 /************************************************************************************/
20 /*                                                                                  */
21 /*    Includes                                                                      */
22 /*                                                                                  */
23 /************************************************************************************/
24 #ifndef __LVBDE_TABLES_H__
25 #define __LVBDE_TABLES_H__
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif /* __cplusplus */
30 
31 #include "BIQUAD.h"
32 #include "LVM_Types.h"
33 
34 /************************************************************************************/
35 /*                                                                                  */
36 /*    Coefficients constant table                                                   */
37 /*                                                                                  */
38 /************************************************************************************/
39 
40 /*
41  * High Pass Filter Coefficient table
42  */
43 extern const BQ_C32_Coefs_t LVDBE_HPF_Table[];
44 
45 /*
46  * Band Pass Filter coefficient table
47  */
48 extern const BP_C32_Coefs_t LVDBE_BPF_Table[];
49 
50 /************************************************************************************/
51 /*                                                                                  */
52 /*    AGC constant tables                                                           */
53 /*                                                                                  */
54 /************************************************************************************/
55 
56 /* Attack time (signal too large) */
57 extern const LVM_INT16 LVDBE_AGC_ATTACK_Table[];
58 
59 /* Decay time (signal too small) */
60 extern const LVM_INT16 LVDBE_AGC_DECAY_Table[];
61 
62 /* Gain for use without the high pass filter */
63 extern const LVM_INT32 LVDBE_AGC_GAIN_Table[];
64 
65 /* Gain for use with the high pass filter */
66 extern const LVM_INT32 LVDBE_AGC_HPFGAIN_Table[];
67 
68 /************************************************************************************/
69 /*                                                                                  */
70 /*    Volume control gain and time constant tables                                  */
71 /*                                                                                  */
72 /************************************************************************************/
73 
74 /* dB to linear conversion table */
75 extern const LVM_INT16 LVDBE_VolumeTable[];
76 
77 extern const LVM_INT16 LVDBE_VolumeTCTable[];
78 
79 extern const LVM_INT16 LVDBE_MixerTCTable[];
80 
81 #ifdef __cplusplus
82 }
83 #endif /* __cplusplus */
84 
85 #endif /* __LVBDE_TABLES_H__ */
86