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_BYPASSMIX_H__
19#define __LVCS_BYPASSMIX_H__
20
21#ifdef __cplusplus
22extern "C" {
23#endif /* __cplusplus */
24
25
26/************************************************************************************/
27/*                                                                                  */
28/*    Includes                                                                      */
29/*                                                                                  */
30/************************************************************************************/
31
32#include "LVC_Mixer.h"
33
34
35/************************************************************************************/
36/*                                                                                  */
37/*    Structures                                                                    */
38/*                                                                                  */
39/************************************************************************************/
40
41/* Bypass mixer structure */
42typedef struct
43{
44    /* Mixer settings */
45    LVMixer3_2St_st         Mixer_Instance;             /* Mixer instance */
46    LVM_UINT16              Output_Shift;               /* Correcting gain output shift */
47
48} LVCS_BypassMix_t;
49
50
51/* Output gain type */
52typedef struct
53{
54    /* Output gain settings, Gain = (Loss/32768) * 2^Shift */
55    LVM_UINT16              Shift;                      /* Left shifts required */
56    LVM_UINT16              Loss;                       /* Loss required */
57    LVM_UINT16              UnprocLoss;                 /* Unprocessed path loss */
58} Gain_t;
59
60
61/************************************************************************************/
62/*                                                                                    */
63/*    Function prototypes                                                                */
64/*                                                                                    */
65/************************************************************************************/
66
67LVCS_ReturnStatus_en LVCS_BypassMixInit(LVCS_Handle_t       hInstance,
68                                           LVCS_Params_t    *pParams);
69
70
71LVCS_ReturnStatus_en LVCS_BypassMixer(LVCS_Handle_t         hInstance,
72                                      const LVM_INT16       *pProcessed,
73                                      const LVM_INT16       *unProcessed,
74                                            LVM_INT16       *pOutData,
75                                            LVM_UINT16      NumSamples);
76
77#ifdef __cplusplus
78}
79#endif /* __cplusplus */
80
81#endif  /* BYPASSMIX_H */
82