12c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent/* 22c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * Copyright (C) 2004-2010 NXP Software 32c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * Copyright (C) 2010 The Android Open Source Project 42c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * 52c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * Licensed under the Apache License, Version 2.0 (the "License"); 62c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * you may not use this file except in compliance with the License. 72c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * You may obtain a copy of the License at 82c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * 92c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * http://www.apache.org/licenses/LICENSE-2.0 102c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * 112c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * Unless required by applicable law or agreed to in writing, software 122c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * distributed under the License is distributed on an "AS IS" BASIS, 132c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 142c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * See the License for the specific language governing permissions and 152c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent * limitations under the License. 162c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent */ 172c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 182c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent/********************************************************************************** 192c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent INCLUDE FILES 202c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent***********************************************************************************/ 212c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 222c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent#include "LVC_Mixer_Private.h" 232c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent#include "LVM_Macros.h" 242c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent#include "ScalarArithmetic.h" 252c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 262c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent/********************************************************************************** 272c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent FUNCTION LVCore_MIXSOFT_1ST_D16C31_WRA 282c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent***********************************************************************************/ 292c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 302c87e9c923b0362fabf8c97ff63997542394c428Eric Laurentvoid LVC_Core_MixSoft_1St_D16C31_WRA( LVMixer3_st *ptrInstance, 312c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent const LVM_INT16 *src, 322c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent LVM_INT16 *dst, 332c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent LVM_INT16 n) 342c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent{ 352c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent LVM_INT16 OutLoop; 362c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent LVM_INT16 InLoop; 372c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent LVM_INT16 CurrentShort; 382c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent LVM_INT32 ii; 392c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent Mix_Private_st *pInstance=(Mix_Private_st *)(ptrInstance->PrivateParams); 402c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent LVM_INT32 Delta=pInstance->Delta; 412c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent LVM_INT32 Current=pInstance->Current; 422c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent LVM_INT32 Target=pInstance->Target; 432c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent LVM_INT32 Temp; 442c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 452c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent InLoop = (LVM_INT16)(n >> 2); /* Process per 4 samples */ 462c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent OutLoop = (LVM_INT16)(n - (InLoop << 2)); 472c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 482c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent if(Current<Target){ 492c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent if (OutLoop){ 502c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent ADD2_SAT_32x32(Current,Delta,Temp); /* Q31 + Q31 into Q31*/ 512c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent Current=Temp; 522c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent if (Current > Target) 532c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent Current = Target; 542c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 552c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent CurrentShort = (LVM_INT16)(Current>>16); /* From Q31 to Q15*/ 562c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 572c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent for (ii = OutLoop; ii != 0; ii--){ 582c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); /* Q15*Q15>>15 into Q15 */ 592c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent } 602c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent } 612c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 622c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent for (ii = InLoop; ii != 0; ii--){ 632c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent ADD2_SAT_32x32(Current,Delta,Temp); /* Q31 + Q31 into Q31*/ 642c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent Current=Temp; 652c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent if (Current > Target) 662c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent Current = Target; 672c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 682c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent CurrentShort = (LVM_INT16)(Current>>16); /* From Q31 to Q15*/ 692c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 702c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); /* Q15*Q15>>15 into Q15 */ 712c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 722c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 732c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 742c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent } 752c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent } 762c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent else{ 772c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent if (OutLoop){ 782c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent Current -= Delta; /* Q31 + Q31 into Q31*/ 792c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent if (Current < Target) 802c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent Current = Target; 812c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 822c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent CurrentShort = (LVM_INT16)(Current>>16); /* From Q31 to Q15*/ 832c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 842c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent for (ii = OutLoop; ii != 0; ii--){ 852c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); /* Q15*Q15>>15 into Q15 */ 862c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent } 872c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent } 882c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 892c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent for (ii = InLoop; ii != 0; ii--){ 902c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent Current -= Delta; /* Q31 + Q31 into Q31*/ 912c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent if (Current < Target) 922c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent Current = Target; 932c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 942c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent CurrentShort = (LVM_INT16)(Current>>16); /* From Q31 to Q15*/ 952c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 962c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); /* Q15*Q15>>15 into Q15 */ 972c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 982c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 992c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 1002c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent } 1012c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent } 1022c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent pInstance->Current=Current; 1032c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent} 1042c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 1052c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent 1062c87e9c923b0362fabf8c97ff63997542394c428Eric Laurent/**********************************************************************************/ 107