/* * Copyright (C) 2004-2010 NXP Software * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef __LVCS_STEREOENHANCER_H__ #define __LVCS_STEREOENHANCER_H__ /************************************************************************************/ /* */ /* Includes */ /* */ /************************************************************************************/ #include "Filters.h" /* Filter definitions */ #include "LVCS_Headphone_Coeffs.h" /* Headphone coefficients */ #include "BIQUAD.h" /************************************************************************************/ /* */ /* Structures */ /* */ /************************************************************************************/ /* Stereo enhancer structure */ typedef struct { LVM_FLOAT MidGain; /* Middle gain in mobile speaker mode */ } LVCS_StereoEnhancer_t; /************************************************************************************/ /* */ /* Function prototypes */ /* */ /************************************************************************************/ LVCS_ReturnStatus_en LVCS_SEnhancerInit(LVCS_Handle_t hInstance, LVCS_Params_t* pParams); LVCS_ReturnStatus_en LVCS_StereoEnhancer(LVCS_Handle_t hInstance, const LVM_FLOAT* pInData, LVM_FLOAT* pOutData, LVM_UINT16 NumSamples); #endif /* STEREOENHANCE_H */