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 INCLUDE FILES 20 ***********************************************************************************/ 21 22 #include "LVC_Mixer_Private.h" 23 #include "VectorArithmetic.h" 24 25 /********************************************************************************** 26 FUNCTION LVC_MixSoft_2St_D16C31_SAT.c 27 ***********************************************************************************/ 28 29 void LVC_MixSoft_2St_D16C31_SAT( LVMixer3_2St_st *ptrInstance, 30 const LVM_INT16 *src1, 31 LVM_INT16 *src2, 32 LVM_INT16 *dst, 33 LVM_INT16 n) 34 { 35 Mix_Private_st *pInstance1=(Mix_Private_st *)(ptrInstance->MixerStream[0].PrivateParams); 36 Mix_Private_st *pInstance2=(Mix_Private_st *)(ptrInstance->MixerStream[1].PrivateParams); 37 38 if(n<=0) return; 39 40 /****************************************************************************** 41 SOFT MIXING 42 *******************************************************************************/ 43 if ((pInstance1->Current == pInstance1->Target)&&(pInstance1->Current == 0)){ 44 LVC_MixSoft_1St_D16C31_SAT( (LVMixer3_1St_st *)(&ptrInstance->MixerStream[1]), src2, dst, n); 45 } 46 else if ((pInstance2->Current == pInstance2->Target)&&(pInstance2->Current == 0)){ 47 LVC_MixSoft_1St_D16C31_SAT( (LVMixer3_1St_st *)(&ptrInstance->MixerStream[0]), src1, dst, n); 48 } 49 else if ((pInstance1->Current != pInstance1->Target) || (pInstance2->Current != pInstance2->Target)) 50 { 51 LVC_MixSoft_1St_D16C31_SAT((LVMixer3_1St_st *)(&ptrInstance->MixerStream[0]), src1, dst, n); 52 LVC_MixInSoft_D16C31_SAT( (LVMixer3_1St_st *)(&ptrInstance->MixerStream[1]), src2, dst, n); 53 } 54 else{ 55 /****************************************************************************** 56 HARD MIXING 57 *******************************************************************************/ 58 if(pInstance2->Shift!=0) 59 Shift_Sat_v16xv16 ((LVM_INT16)pInstance2->Shift,src2,src2,n); 60 if(pInstance1->Shift!=0) 61 { 62 Shift_Sat_v16xv16 ((LVM_INT16)pInstance1->Shift,src1,dst,n); 63 LVC_Core_MixHard_2St_D16C31_SAT( &ptrInstance->MixerStream[0], &ptrInstance->MixerStream[1], dst, src2, dst, n); 64 } 65 else 66 LVC_Core_MixHard_2St_D16C31_SAT( &ptrInstance->MixerStream[0], &ptrInstance->MixerStream[1], src1, src2, dst, n); 67 } 68 } 69 70 /**********************************************************************************/ 71
