diff options
Diffstat (limited to 'media/libeffects/lvm/lib/Common/src/LVC_MixSoft_1St_2i_D16C31_SAT.c')
| -rwxr-xr-x | media/libeffects/lvm/lib/Common/src/LVC_MixSoft_1St_2i_D16C31_SAT.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/media/libeffects/lvm/lib/Common/src/LVC_MixSoft_1St_2i_D16C31_SAT.c b/media/libeffects/lvm/lib/Common/src/LVC_MixSoft_1St_2i_D16C31_SAT.c new file mode 100755 index 0000000..d832e06 --- /dev/null +++ b/media/libeffects/lvm/lib/Common/src/LVC_MixSoft_1St_2i_D16C31_SAT.c @@ -0,0 +1,160 @@ +/* + * 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 "LVC_Mixer_Private.h" +#include "VectorArithmetic.h" +#include "ScalarArithmetic.h" + +/********************************************************************************** + DEFINITIONS +***********************************************************************************/ + +#define TRUE 1 +#define FALSE 0 + +/********************************************************************************** + FUNCTION LVC_MixSoft_1St_2i_D16C31_SAT +***********************************************************************************/ + +void LVC_MixSoft_1St_2i_D16C31_SAT( LVMixer3_2St_st *ptrInstance, + const LVM_INT16 *src, + LVM_INT16 *dst, + LVM_INT16 n) +{ + char HardMixing = TRUE; + LVM_INT32 TargetGain; + Mix_Private_st *pInstance1=(Mix_Private_st *)(ptrInstance->MixerStream[0].PrivateParams); + Mix_Private_st *pInstance2=(Mix_Private_st *)(ptrInstance->MixerStream[1].PrivateParams); + + if(n<=0) return; + + /****************************************************************************** + SOFT MIXING + *******************************************************************************/ + if ((pInstance1->Current != pInstance1->Target)||(pInstance2->Current != pInstance2->Target)) + { + if(pInstance1->Delta == 0x7FFFFFFF) + { + pInstance1->Current = pInstance1->Target; + TargetGain=pInstance1->Target>>16; // TargetGain in Q16.15 format, no integer part + LVC_Mixer_SetTarget(&(ptrInstance->MixerStream[0]),TargetGain); + } + else if (Abs_32(pInstance1->Current-pInstance1->Target) < pInstance1->Delta) + { + pInstance1->Current = pInstance1->Target; /* Difference is not significant anymore. Make them equal. */ + TargetGain=pInstance1->Target>>16; // TargetGain in Q16.15 format, no integer part + LVC_Mixer_SetTarget(&(ptrInstance->MixerStream[0]),TargetGain); + } + else + { + /* Soft mixing has to be applied */ + HardMixing = FALSE; + } + + if(HardMixing == TRUE) + { + if(pInstance2->Delta == 0x7FFFFFFF) + { + pInstance2->Current = pInstance2->Target; + TargetGain=pInstance2->Target>>16; // TargetGain in Q16.15 format, no integer part + LVC_Mixer_SetTarget(&(ptrInstance->MixerStream[1]),TargetGain); + } + else if (Abs_32(pInstance2->Current-pInstance2->Target) < pInstance2->Delta) + { + pInstance2->Current = pInstance2->Target; /* Difference is not significant anymore. Make them equal. */ + TargetGain=pInstance2->Target>>16; // TargetGain in Q16.15 format, no integer part + LVC_Mixer_SetTarget(&(ptrInstance->MixerStream[1]),TargetGain); + } + else + { + /* Soft mixing has to be applied */ + HardMixing = FALSE; + } + } + + if(HardMixing == FALSE) + { + LVC_Core_MixSoft_1St_2i_D16C31_WRA( &(ptrInstance->MixerStream[0]),&(ptrInstance->MixerStream[1]), src, dst, n); + } + } + + /****************************************************************************** + HARD MIXING + *******************************************************************************/ + + if (HardMixing) + { + if (((pInstance1->Target>>16) == 0x7FFF)&&((pInstance2->Target>>16) == 0x7FFF)) + { + if(src!=dst) + { + Copy_16(src, dst, n); + } + } + else + { + LVC_Core_MixHard_1St_2i_D16C31_SAT(&(ptrInstance->MixerStream[0]),&(ptrInstance->MixerStream[1]), src, dst, n); + } + } + + /****************************************************************************** + CALL BACK + *******************************************************************************/ + + if (ptrInstance->MixerStream[0].CallbackSet) + { + if (Abs_32(pInstance1->Current-pInstance1->Target) < pInstance1->Delta) + { + pInstance1->Current = pInstance1->Target; /* Difference is not significant anymore. Make them equal. */ + TargetGain=pInstance1->Target>>(16-pInstance1->Shift); // TargetGain in Q16.15 format + LVC_Mixer_SetTarget(&ptrInstance->MixerStream[0],TargetGain); + ptrInstance->MixerStream[0].CallbackSet = FALSE; + if (ptrInstance->MixerStream[0].pCallBack != 0) + { + (*ptrInstance->MixerStream[0].pCallBack) ( ptrInstance->MixerStream[0].pCallbackHandle, ptrInstance->MixerStream[0].pGeneralPurpose,ptrInstance->MixerStream[0].CallbackParam ); + } + } + } + if (ptrInstance->MixerStream[1].CallbackSet) + { + if (Abs_32(pInstance2->Current-pInstance2->Target) < pInstance2->Delta) + { + pInstance2->Current = pInstance2->Target; /* Difference is not significant anymore. Make them equal. */ + TargetGain=pInstance2->Target>>(16-pInstance2->Shift); // TargetGain in Q16.15 format + LVC_Mixer_SetTarget(&ptrInstance->MixerStream[1],TargetGain); + ptrInstance->MixerStream[1].CallbackSet = FALSE; + if (ptrInstance->MixerStream[1].pCallBack != 0) + { + (*ptrInstance->MixerStream[1].pCallBack) ( ptrInstance->MixerStream[1].pCallbackHandle, ptrInstance->MixerStream[1].pGeneralPurpose,ptrInstance->MixerStream[1].CallbackParam ); + } + } + } +} + +/**********************************************************************************/ |