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