| /* |
| * 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. |
| */ |
| |
| /********************************************************************************** |
| 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 ); |
| } |
| } |
| } |
| } |
| |
| /**********************************************************************************/ |