LVC_MixSoft_2St_D16C31_SAT.c revision 2c8e5cab3faa6d360e222b7a6c40a80083d021ac
1/* 2 * Copyright (C) 2004-2010 NXP Software 3 * Copyright (C) 2010 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18/********************************************************************************** 19 20 $Author: beq07716 $ 21 $Revision: 1000 $ 22 $Date: 2010-06-28 13:08:20 +0200 (Mon, 28 Jun 2010) $ 23 24***********************************************************************************/ 25 26/********************************************************************************** 27 INCLUDE FILES 28***********************************************************************************/ 29 30#include "LVC_Mixer_Private.h" 31#include "VectorArithmetic.h" 32 33/********************************************************************************** 34 FUNCTION LVC_MixSoft_2St_D16C31_SAT.c 35***********************************************************************************/ 36 37void LVC_MixSoft_2St_D16C31_SAT( LVMixer3_2St_st *ptrInstance, 38 const LVM_INT16 *src1, 39 LVM_INT16 *src2, 40 LVM_INT16 *dst, 41 LVM_INT16 n) 42{ 43 Mix_Private_st *pInstance1=(Mix_Private_st *)(ptrInstance->MixerStream[0].PrivateParams); 44 Mix_Private_st *pInstance2=(Mix_Private_st *)(ptrInstance->MixerStream[1].PrivateParams); 45 46 if(n<=0) return; 47 48 /****************************************************************************** 49 SOFT MIXING 50 *******************************************************************************/ 51 if ((pInstance1->Current == pInstance1->Target)&&(pInstance1->Current == 0)){ 52 LVC_MixSoft_1St_D16C31_SAT( (LVMixer3_1St_st *)(&ptrInstance->MixerStream[1]), src2, dst, n); 53 } 54 else if ((pInstance2->Current == pInstance2->Target)&&(pInstance2->Current == 0)){ 55 LVC_MixSoft_1St_D16C31_SAT( (LVMixer3_1St_st *)(&ptrInstance->MixerStream[0]), src1, dst, n); 56 } 57 else if ((pInstance1->Current != pInstance1->Target) || (pInstance2->Current != pInstance2->Target)) 58 { 59 LVC_MixSoft_1St_D16C31_SAT((LVMixer3_1St_st *)(&ptrInstance->MixerStream[0]), src1, dst, n); 60 LVC_MixInSoft_D16C31_SAT( (LVMixer3_1St_st *)(&ptrInstance->MixerStream[1]), src2, dst, n); 61 } 62 else{ 63 /****************************************************************************** 64 HARD MIXING 65 *******************************************************************************/ 66 if(pInstance2->Shift!=0) 67 Shift_Sat_v16xv16 ((LVM_INT16)pInstance2->Shift,src2,src2,n); 68 if(pInstance1->Shift!=0) 69 { 70 Shift_Sat_v16xv16 ((LVM_INT16)pInstance1->Shift,src1,dst,n); 71 LVC_Core_MixHard_2St_D16C31_SAT( &ptrInstance->MixerStream[0], &ptrInstance->MixerStream[1], dst, src2, dst, n); 72 } 73 else 74 LVC_Core_MixHard_2St_D16C31_SAT( &ptrInstance->MixerStream[0], &ptrInstance->MixerStream[1], src1, src2, dst, n); 75 } 76} 77 78/**********************************************************************************/ 79