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 /**********************************************************************************
19    INCLUDE FILES
20 ***********************************************************************************/
21 
22 #include "Mixer_private.h"
23 #include "LVM_Macros.h"
24 
25 /**********************************************************************************
26    FUNCTION CORE_MIXHARD_2ST_D32C31_SAT
27 ***********************************************************************************/
Core_MixHard_2St_D32C31_SAT(Mix_2St_Cll_FLOAT_t * pInstance,const LVM_FLOAT * src1,const LVM_FLOAT * src2,LVM_FLOAT * dst,LVM_INT16 n)28 void Core_MixHard_2St_D32C31_SAT(Mix_2St_Cll_FLOAT_t* pInstance, const LVM_FLOAT* src1,
29                                  const LVM_FLOAT* src2, LVM_FLOAT* dst, LVM_INT16 n) {
30     LVM_FLOAT Temp1, Temp2, Temp3;
31     LVM_INT16 ii;
32     LVM_FLOAT Current1Short;
33     LVM_FLOAT Current2Short;
34 
35     Current1Short = (pInstance->Current1);
36     Current2Short = (pInstance->Current2);
37 
38     for (ii = n; ii != 0; ii--) {
39         Temp1 = *src1++;
40         Temp3 = Temp1 * Current1Short;
41         Temp2 = *src2++;
42         Temp1 = Temp2 * Current2Short;
43         Temp2 = (Temp1 / 2.0f) + (Temp3 / 2.0f);
44         if (Temp2 > 0.5f)
45             Temp2 = 1.0f;
46         else if (Temp2 < -0.5f)
47             Temp2 = -1.0f;
48         else
49             Temp2 = (Temp2 * 2);
50         *dst++ = Temp2;
51     }
52 }
53 /**********************************************************************************/
54