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/*
* Copyright (C) 2011 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.
*/
/**
******************************************************************************
* @file M4ChannelCoverter.c
* @brief
* @note
******************************************************************************
*/
void MonoTo2I_16( const short *src,
short *dst,
short n)
{
short ii;
src += n-1;
dst += (n*2)-1;
for (ii = n; ii != 0; ii--){
*dst-- = *src;
*dst-- = *src--;
}
return;
}
void From2iToMono_16( const short *src,
short *dst,
short n)
{
short ii;
long Temp;
for (ii = n; ii != 0; ii--){
Temp = (long)*(src++);
Temp += (long)*(src++);
*(dst++) = (short)(Temp >>1);
}
return;
}
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