| /* |
| * 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 */ |
| |