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 #include "LVPSA_QPD.h" 19 20 /************************************************************************************/ 21 /* */ 22 /* FUNCTION: LVPSA_QPD_Init */ 23 /* */ 24 /* DESCRIPTION: */ 25 /* Initialize a quasi peak filter instance. */ 26 /* */ 27 /* PARAMETERS: */ 28 /* pQPD_State Pointer to the filter state */ 29 /* pTaps Pointer to the filter's taps */ 30 /* pCoef Pointer to the filter's coefficients */ 31 /* */ 32 /* RETURNS: void */ 33 /* */ 34 /************************************************************************************/ 35 void LVPSA_QPD_Init ( pQPD_State_t pQPD_State, 36 QPD_Taps_t *pTaps, 37 QPD_C32_Coefs *pCoef ) 38 { 39 pQPD_State->pDelay = pTaps->Storage; 40 pQPD_State->Coefs[0] = pCoef->KP; 41 pQPD_State->Coefs[1] = pCoef->KM; 42 } 43