12c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* 22c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Copyright (C) 2004-2010 NXP Software 32c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Copyright (C) 2010 The Android Open Source Project 42c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 52c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Licensed under the Apache License, Version 2.0 (the "License"); 62c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * you may not use this file except in compliance with the License. 72c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * You may obtain a copy of the License at 82c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 92c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * http://www.apache.org/licenses/LICENSE-2.0 102c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 112c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Unless required by applicable law or agreed to in writing, software 122c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * distributed under the License is distributed on an "AS IS" BASIS, 132c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 142c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * See the License for the specific language governing permissions and 152c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * limitations under the License. 162c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent */ 172c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 182c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 192c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent INCLUDE FILES 202c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 212c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 222c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "LVC_Mixer_Private.h" 232c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "LVM_Macros.h" 242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "ScalarArithmetic.h" 252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent FUNCTION LVCore_MIXSOFT_1ST_D16C31_WRA 282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid LVC_Core_MixSoft_1St_D16C31_WRA( LVMixer3_st *ptrInstance, 312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent const LVM_INT16 *src, 322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 *dst, 332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 n) 342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent{ 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 OutLoop; 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 InLoop; 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 CurrentShort; 382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 ii; 392c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Mix_Private_st *pInstance=(Mix_Private_st *)(ptrInstance->PrivateParams); 402c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 Delta=pInstance->Delta; 412c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 Current=pInstance->Current; 422c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 Target=pInstance->Target; 432c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 Temp; 442c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent InLoop = (LVM_INT16)(n >> 2); /* Process per 4 samples */ 462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent OutLoop = (LVM_INT16)(n - (InLoop << 2)); 472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(Current<Target){ 492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (OutLoop){ 502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent ADD2_SAT_32x32(Current,Delta,Temp); /* Q31 + Q31 into Q31*/ 512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current=Temp; 522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Current > Target) 532c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current = Target; 542c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 552c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent CurrentShort = (LVM_INT16)(Current>>16); /* From Q31 to Q15*/ 562c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 572c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (ii = OutLoop; ii != 0; ii--){ 582c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); /* Q15*Q15>>15 into Q15 */ 592c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 602c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 612c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 622c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (ii = InLoop; ii != 0; ii--){ 632c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent ADD2_SAT_32x32(Current,Delta,Temp); /* Q31 + Q31 into Q31*/ 642c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current=Temp; 652c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Current > Target) 662c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current = Target; 672c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 682c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent CurrentShort = (LVM_INT16)(Current>>16); /* From Q31 to Q15*/ 692c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 702c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); /* Q15*Q15>>15 into Q15 */ 712c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 722c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 732c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 742c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 752c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 762c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else{ 772c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (OutLoop){ 782c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current -= Delta; /* Q31 + Q31 into Q31*/ 792c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Current < Target) 802c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current = Target; 812c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 822c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent CurrentShort = (LVM_INT16)(Current>>16); /* From Q31 to Q15*/ 832c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 842c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (ii = OutLoop; ii != 0; ii--){ 852c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); /* Q15*Q15>>15 into Q15 */ 862c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 872c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 882c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 892c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (ii = InLoop; ii != 0; ii--){ 902c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current -= Delta; /* Q31 + Q31 into Q31*/ 912c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Current < Target) 922c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current = Target; 932c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 942c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent CurrentShort = (LVM_INT16)(Current>>16); /* From Q31 to Q15*/ 952c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 962c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); /* Q15*Q15>>15 into Q15 */ 972c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 982c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 992c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *(dst++) = (LVM_INT16)(((LVM_INT32)*(src++) * (LVM_INT32)CurrentShort)>>15); 1002c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1012c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1022c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->Current=Current; 1032c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 1042c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1052c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1062c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/**********************************************************************************/ 107