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#ifdef BUILD_FLOAT 46 LVMixer3_2St_FLOAT_st Mixer_Instance; /* Mixer instance */ 47#else 48 LVMixer3_2St_st Mixer_Instance; /* Mixer instance */ 49#endif 50 LVM_UINT16 Output_Shift; /* Correcting gain output shift */ 51 52} LVCS_BypassMix_t; 53 54#ifndef BUILD_FLOAT 55/* Output gain type */ 56typedef struct 57{ 58 /* Output gain settings, Gain = (Loss/32768) * 2^Shift */ 59 LVM_UINT16 Shift; /* Left shifts required */ 60 LVM_UINT16 Loss; /* Loss required */ 61 LVM_UINT16 UnprocLoss; /* Unprocessed path loss */ 62} Gain_t; 63#else 64typedef struct 65{ 66 /* Output gain settings, Gain = (Loss/32768) * 2^Shift */ 67 LVM_UINT16 Shift; /* Left shifts required */ 68 LVM_FLOAT Loss; /* Loss required */ 69 LVM_FLOAT UnprocLoss; /* Unprocessed path loss */ 70} Gain_t; 71#endif 72/************************************************************************************/ 73/* */ 74/* Function prototypes */ 75/* */ 76/************************************************************************************/ 77 78LVCS_ReturnStatus_en LVCS_BypassMixInit(LVCS_Handle_t hInstance, 79 LVCS_Params_t *pParams); 80 81#ifndef BUILD_FLOAT 82LVCS_ReturnStatus_en LVCS_BypassMixer(LVCS_Handle_t hInstance, 83 const LVM_INT16 *pProcessed, 84 const LVM_INT16 *unProcessed, 85 LVM_INT16 *pOutData, 86 LVM_UINT16 NumSamples); 87#else 88LVCS_ReturnStatus_en LVCS_BypassMixer(LVCS_Handle_t hInstance, 89 const LVM_FLOAT *pProcessed, 90 const LVM_FLOAT *unProcessed, 91 LVM_FLOAT *pOutData, 92 LVM_UINT16 NumSamples); 93#endif 94#ifdef __cplusplus 95} 96#endif /* __cplusplus */ 97 98#endif /* BYPASSMIX_H */ 99