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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.
*/
/************************************************************************/
/* */
/* Project:: */
/* $Author: beq07716 $*/
/* $Revision: 1000 $*/
/* $Date: 2010-06-28 13:08:20 +0200 (Mon, 28 Jun 2010) $*/
/* */
/************************************************************************/
/**********************************************************************************
INCLUDE FILES
***********************************************************************************/
#include "Mixer_private.h"
#include "VectorArithmetic.h"
/**********************************************************************************
DEFINITIONS
***********************************************************************************/
#define TRUE 1
#define FALSE 0
/**********************************************************************************
FUNCTION MIXSOFT_1ST_D32C31_WRA
***********************************************************************************/
void MixSoft_1St_D32C31_WRA( Mix_1St_Cll_t *pInstance,
const LVM_INT32 *src,
LVM_INT32 *dst,
LVM_INT16 n)
{
char HardMixing = TRUE;
if(n<=0) return;
/******************************************************************************
SOFT MIXING
*******************************************************************************/
if (pInstance->Current != pInstance->Target)
{
if(pInstance->Alpha == 0){
pInstance->Current = pInstance->Target;
}else if ((pInstance->Current-pInstance->Target <POINT_ZERO_ONE_DB)&&
(pInstance->Current-pInstance->Target > -POINT_ZERO_ONE_DB)){
pInstance->Current = pInstance->Target; /* Difference is not significant anymore. Make them equal. */
}else{
/* Soft mixing has to be applied */
HardMixing = FALSE;
Core_MixSoft_1St_D32C31_WRA( pInstance, src, dst, n);
}
}
/******************************************************************************
HARD MIXING
*******************************************************************************/
if (HardMixing){
if (pInstance->Target == 0)
LoadConst_32(0, dst, n);
else if ((pInstance->Target>>16) == 0x7FFF){
if (src != dst)
Copy_16((LVM_INT16*)src, (LVM_INT16*)dst, (LVM_INT16)(n * 2));
}
else
Mult3s_32x16( src, (LVM_INT16)(pInstance->Current>>16), dst, n );
}
/******************************************************************************
CALL BACK
*******************************************************************************/
if (pInstance->CallbackSet){
if ((pInstance->Current-pInstance->Target <POINT_ZERO_ONE_DB)&&
(pInstance->Current-pInstance->Target > -POINT_ZERO_ONE_DB)){
pInstance->Current = pInstance->Target; /* Difference is not significant anymore. Make them equal. */
pInstance->CallbackSet = FALSE;
if (pInstance->pCallBack != 0){
(*pInstance->pCallBack) ( pInstance->pCallbackHandle, pInstance->pGeneralPurpose,pInstance->CallbackParam );
}
}
}
}
/**********************************************************************************/
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