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 252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent FUNCTION LVCore_MIXSOFT_1ST_D16C31_WRA 272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid LVC_Core_MixInSoft_D16C31_SAT( LVMixer3_st *ptrInstance, 302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent const LVM_INT16 *src, 312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 *dst, 322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 n) 332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent{ 342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 OutLoop; 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 InLoop; 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 CurrentShort; 382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 ii,jj; 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 Temp = ((LVM_INT32)*dst) + (((LVM_INT32)*(src++) * CurrentShort)>>15); /* Q15 + Q15*Q15>>15 into Q15 */ 592c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Temp > 0x00007FFF) 602c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = 0x7FFF; 612c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if (Temp < -0x00008000) 622c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = - 0x8000; 632c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 642c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = (LVM_INT16)Temp; 652c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 662c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 672c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 682c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (ii = InLoop; ii != 0; ii--){ 692c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent ADD2_SAT_32x32(Current,Delta,Temp); /* Q31 + Q31 into Q31*/ 702c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current=Temp; 712c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Current > Target) 722c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current = Target; 732c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 742c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent CurrentShort = (LVM_INT16)(Current>>16); /* From Q31 to Q15*/ 752c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 762c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (jj = 4; jj!=0 ; jj--){ 772c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Temp = ((LVM_INT32)*dst) + (((LVM_INT32)*(src++) * CurrentShort)>>15); /* Q15 + Q15*Q15>>15 into Q15 */ 782c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Temp > 0x00007FFF) 792c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = 0x7FFF; 802c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if (Temp < -0x00008000) 812c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = - 0x8000; 822c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 832c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = (LVM_INT16)Temp; 842c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 852c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 862c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 872c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else{ 882c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (OutLoop){ 892c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current -= Delta; /* Q31 + Q31 into Q31*/ 902c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Current < Target) 912c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current = Target; 922c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 932c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent CurrentShort = (LVM_INT16)(Current>>16); /* From Q31 to Q15*/ 942c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 952c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (ii = OutLoop; ii != 0; ii--){ 962c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Temp = ((LVM_INT32)*dst) + (((LVM_INT32)*(src++) * CurrentShort)>>15); /* Q15 + Q15*Q15>>15 into Q15 */ 972c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Temp > 0x00007FFF) 982c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = 0x7FFF; 992c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if (Temp < -0x00008000) 1002c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = - 0x8000; 1012c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 1022c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = (LVM_INT16)Temp; 1032c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1042c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1052c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1062c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (ii = InLoop; ii != 0; ii--){ 1072c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current -= Delta; /* Q31 + Q31 into Q31*/ 1082c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Current < Target) 1092c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Current = Target; 1102c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1112c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent CurrentShort = (LVM_INT16)(Current>>16); /* From Q31 to Q15*/ 1122c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1132c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent for (jj = 4; jj!=0 ; jj--){ 1142c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Temp = ((LVM_INT32)*dst) + (((LVM_INT32)*(src++) * CurrentShort)>>15); /* Q15 + Q15*Q15>>15 into Q15 */ 1152c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Temp > 0x00007FFF) 1162c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = 0x7FFF; 1172c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if (Temp < -0x00008000) 1182c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = - 0x8000; 1192c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 1202c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *dst++ = (LVM_INT16)Temp; 1212c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1222c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1232c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->Current=Current; 1252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 1262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/**********************************************************************************/ 129