/* * 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 FILTERS_H #define FILTERS_H #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ #include "LVM_Types.h" /************************************************************************************/ /* */ /* Structures */ /* */ /************************************************************************************/ /* * Biquad with coefficients A0, A1, A2, B1 and B2 coefficients */ /* Single precision (16-bit) Biquad section coefficients */ typedef struct { LVM_INT16 A0; LVM_INT16 A1; LVM_INT16 A2; LVM_INT16 B1; LVM_INT16 B2; LVM_UINT16 Scale; } BiquadA012B12CoefsSP_t; /* * Biquad with coefficients A0, A1 and B1 coefficients */ /* Single precision (16-bit) Biquad section coefficients */ typedef struct { LVM_INT16 A0; LVM_INT16 A1; LVM_INT16 B1; LVM_UINT16 Scale; } BiquadA01B1CoefsSP_t; #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* FILTERS_H */