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 /************************************************************************************/
LVPSA_QPD_Init(pQPD_State_t pQPD_State,QPD_Taps_t * pTaps,QPD_C32_Coefs * pCoef)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
LVPSA_QPD_Init_Float(pQPD_FLOAT_State_t pQPD_State,QPD_FLOAT_Taps_t * pTaps,QPD_FLOAT_Coefs * pCoef)44 void LVPSA_QPD_Init_Float ( pQPD_FLOAT_State_t pQPD_State,
45 QPD_FLOAT_Taps_t *pTaps,
46 QPD_FLOAT_Coefs *pCoef )
47 {
48 pQPD_State->pDelay = pTaps->Storage;
49 pQPD_State->Coefs[0] = ((LVM_FLOAT)pCoef->KP);
50 pQPD_State->Coefs[1] = ((LVM_FLOAT)pCoef->KM);
51 }
52