/* Copyright (C) 2018 RDA Technologies Limited and/or its affiliates("RDA"). * All rights reserved. * * This software is supplied "AS IS" without any warranties. * RDA assumes no responsibility or liability for the use of the software, * conveys no license or title under any patent, copyright, or mask work * right to the product. RDA reserves the right to make changes in the * software without notification. RDA also make no representation or * warranty that such application will be suitable for the specified use * without further testing or modification. */ #ifndef _AUD_RESAMPLE_H #define _AUD_RESAMPLE_H #include "osi_api.h" //#include // #ifdef __cplusplus extern "C" { #endif typedef struct audResamCtx { uint32_t playrate; //output sample rate int16_t playrateStep; //output step int16_t playScale; //scale factor for calculate int16_t intpoint; //input sample index int16_t floatpoint; //resample float index int16_t dataratestep; //input step int16_t blocklength; //input sample number int16_t historyData_l; //history L sample int16_t historyData_r; //history R sample uint16_t chl; //channel. 1 or 2. output same as input. } audResamCtx_t; int32_t audioResampleInitParam(audResamCtx_t *ptTransamObj, uint32_t inRate, uint32_t outRate, uint16_t chl); uint32_t audioResample(audResamCtx_t *ptTransamObj, int16_t *inBuf, int16_t inum, int16_t *outBuf); #ifdef __cplusplus } #endif #endif