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 ***********************************************************************************/
28
Core_MixHard_2St_D32C31_SAT(Mix_2St_Cll_t * pInstance,const LVM_INT32 * src1,const LVM_INT32 * src2,LVM_INT32 * dst,LVM_INT16 n)29 void Core_MixHard_2St_D32C31_SAT( Mix_2St_Cll_t *pInstance,
30 const LVM_INT32 *src1,
31 const LVM_INT32 *src2,
32 LVM_INT32 *dst,
33 LVM_INT16 n)
34 {
35 LVM_INT32 Temp1,Temp2,Temp3;
36 LVM_INT16 ii;
37 LVM_INT16 Current1Short;
38 LVM_INT16 Current2Short;
39
40 Current1Short = (LVM_INT16)(pInstance->Current1 >> 16);
41 Current2Short = (LVM_INT16)(pInstance->Current2 >> 16);
42
43 for (ii = n; ii != 0; ii--){
44 Temp1=*src1++;
45 MUL32x16INTO32(Temp1,Current1Short,Temp3,15)
46 Temp2=*src2++;
47 MUL32x16INTO32(Temp2,Current2Short,Temp1,15)
48 Temp2=(Temp1>>1)+(Temp3>>1);
49 if (Temp2 > 0x3FFFFFFF)
50 Temp2 = 0x7FFFFFFF;
51 else if (Temp2 < - 0x40000000)
52 Temp2 = 0x80000000;
53 else
54 Temp2=(Temp2<<1);
55 *dst++ = Temp2;
56 }
57 }
58
59
60 /**********************************************************************************/
61