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/*
* 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 "VectorArithmetic.h"
/**********************************************************************************
FUNCTION From2iToMS_16x16
***********************************************************************************/
void From2iToMS_16x16( const LVM_INT16 *src,
LVM_INT16 *dstM,
LVM_INT16 *dstS,
LVM_INT16 n )
{
LVM_INT32 temp1,left,right;
LVM_INT16 ii;
for (ii = n; ii != 0; ii--)
{
left = (LVM_INT32)*src;
src++;
right = (LVM_INT32)*src;
src++;
/* Compute M signal*/
temp1 = (left+right)>>1;
*dstM = (LVM_INT16)temp1;
dstM++;
/* Compute S signal*/
temp1 = (left-right)>>1;
*dstS = (LVM_INT16)temp1;
dstS++;
}
return;
}
/**********************************************************************************/
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