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 #ifndef __LVCS_EQUALISER_H__
19 #define __LVCS_EQUALISER_H__
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif /* __cplusplus */
24 
25 
26 /************************************************************************************/
27 /*                                                                                  */
28 /*    Structures                                                                    */
29 /*                                                                                  */
30 /************************************************************************************/
31 
32 /* Equaliser structure */
33 typedef struct
34 {
35 #ifndef BUILD_FLOAT
36     void (*pBiquadCallBack) (Biquad_Instance_t*, LVM_INT16*, LVM_INT16*, LVM_INT16);
37 #else
38     void (*pBiquadCallBack) (Biquad_FLOAT_Instance_t*, LVM_FLOAT*, LVM_FLOAT*, LVM_INT16);
39 #endif
40 } LVCS_Equaliser_t;
41 
42 
43 /************************************************************************************/
44 /*                                                                                  */
45 /*    Function prototypes                                                           */
46 /*                                                                                  */
47 /************************************************************************************/
48 
49 LVCS_ReturnStatus_en LVCS_EqualiserInit(LVCS_Handle_t       hInstance,
50                                         LVCS_Params_t       *pParams);
51 #ifndef BUILD_FLOAT
52 LVCS_ReturnStatus_en LVCS_Equaliser(LVCS_Handle_t            hInstance,
53                                     LVM_INT16                *pInputOutput,
54                                     LVM_UINT16                NumSamples);
55 #else
56 LVCS_ReturnStatus_en LVCS_Equaliser(LVCS_Handle_t            hInstance,
57                                     LVM_FLOAT                *pInputOutput,
58                                     LVM_UINT16                NumSamples);
59 #endif
60 #ifdef __cplusplus
61 }
62 #endif /* __cplusplus */
63 
64 #endif  /* EQUALISER_H */
65