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      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 #ifdef BUILD_FLOAT
     32 typedef struct _Filter_State_FLOAT
     33 {
     34     LVM_FLOAT *                          pDelays;        /* pointer to the delayed samples \
     35                                                             (data of 32 bits)   */
     36     LVM_FLOAT                            coefs[3];       /* pointer to the filter coefficients */
     37 }Filter_State_FLOAT;
     38 
     39 typedef Filter_State_FLOAT * PFilter_State_FLOAT ;
     40 #endif
     41 #endif /* _FO_1I_D16F16CSS_TRC_WRA_01_PRIVATE_H_ */
     42