blob: 2bb212c0e148fda8353772872c77e595faf41d12 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
* Copyright (C) 2004-2010 NXP Software
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**********************************************************************************
$Author: beq07716 $
$Revision: 1000 $
$Date: 2010-06-28 13:08:20 +0200 (Mon, 28 Jun 2010) $
***********************************************************************************/
/**********************************************************************************
INCLUDE FILES
***********************************************************************************/
#include "LVC_Mixer_Private.h"
/**********************************************************************************
FUNCTION LVCore_MIXHARD_2ST_D16C31_SAT
***********************************************************************************/
void LVC_Core_MixHard_2St_D16C31_SAT( LVMixer3_st *ptrInstance1,
LVMixer3_st *ptrInstance2,
const LVM_INT16 *src1,
const LVM_INT16 *src2,
LVM_INT16 *dst,
LVM_INT16 n)
{
LVM_INT32 Temp;
LVM_INT16 ii;
LVM_INT16 Current1Short;
LVM_INT16 Current2Short;
Mix_Private_st *pInstance1=(Mix_Private_st *)(ptrInstance1->PrivateParams);
Mix_Private_st *pInstance2=(Mix_Private_st *)(ptrInstance2->PrivateParams);
Current1Short = (LVM_INT16)(pInstance1->Current >> 16);
Current2Short = (LVM_INT16)(pInstance2->Current >> 16);
for (ii = n; ii != 0; ii--){
Temp = (((LVM_INT32)*(src1++) * (LVM_INT32)Current1Short)>>15) +
(((LVM_INT32)*(src2++) * (LVM_INT32)Current2Short)>>15);
if (Temp > 0x00007FFF)
*dst++ = 0x7FFF;
else if (Temp < -0x00008000)
*dst++ = - 0x8000;
else
*dst++ = (LVM_INT16)Temp;
}
}
/**********************************************************************************/
|
