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
