| /* |
| * 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 MIXINSOFT_D32C31_SAT |
| ***********************************************************************************/ |
| void MixInSoft_D32C31_SAT( Mix_1St_Cll_FLOAT_t *pInstance, |
| const LVM_FLOAT *src, |
| LVM_FLOAT *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_FLOAT) && |
| (pInstance->Current-pInstance->Target > -POINT_ZERO_ONE_DB_FLOAT)){ |
| pInstance->Current = pInstance->Target; /* Difference is not significant anymore. \ |
| Make them equal. */ |
| }else{ |
| /* Soft mixing has to be applied */ |
| HardMixing = FALSE; |
| Core_MixInSoft_D32C31_SAT(pInstance, src, dst, n); |
| } |
| } |
| |
| /****************************************************************************** |
| HARD MIXING |
| *******************************************************************************/ |
| |
| if (HardMixing){ |
| if (pInstance->Target != 0){ /* Nothing to do in case Target = 0 */ |
| if ((pInstance->Target) == 1.0f) |
| Add2_Sat_Float(src, dst, n); |
| else{ |
| Core_MixInSoft_D32C31_SAT(pInstance, src, dst, n); |
| pInstance->Current = pInstance->Target; /* In case the core function would \ |
| have changed the Current value */ |
| } |
| } |
| } |
| |
| /****************************************************************************** |
| CALL BACK |
| *******************************************************************************/ |
| /* Call back before the hard mixing, because in this case, hard mixing makes |
| use of the core soft mix function which can change the Current value! */ |
| |
| if (pInstance->CallbackSet){ |
| if ((pInstance->Current - pInstance->Target < POINT_ZERO_ONE_DB_FLOAT) && |
| (pInstance->Current - pInstance->Target > -POINT_ZERO_ONE_DB_FLOAT)){ |
| 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 ); |
| } |
| } |
| } |
| } |
| /**********************************************************************************/ |