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 _FO_1I_D16F16CSS_TRC_WRA_01_PRIVATE_H_ 19 #define _FO_1I_D16F16CSS_TRC_WRA_01_PRIVATE_H_ 20 21 /* The internal state variables are implemented in a (for the user) hidden structure */ 22 /* In this (private) file, the internal structure is declared fro private use. */ 23 typedef struct _Filter_State_ 24 { 25 LVM_INT32* pDelays; /* pointer to the delayed samples (data of 32 bits) */ 26 LVM_INT16 coefs[3]; /* pointer to the filter coefficients */ 27 }Filter_State; 28 29 typedef Filter_State * PFilter_State ; 30 31 typedef struct _Filter_State_FLOAT 32 { 33 LVM_FLOAT * pDelays; /* pointer to the delayed samples \ 34 (data of 32 bits) */ 35 LVM_FLOAT coefs[3]; /* pointer to the filter coefficients */ 36 }Filter_State_FLOAT; 37 38 typedef Filter_State_FLOAT * PFilter_State_FLOAT ; 39 #endif /* _FO_1I_D16F16CSS_TRC_WRA_01_PRIVATE_H_ */ 40