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 "VectorArithmetic.h" 242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "ScalarArithmetic.h" 252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent DEFINITIONS 282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define TRUE 1 312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define FALSE 0 322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent FUNCTION LVMixer3_MIXSOFT_1ST_D16C31_SAT 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid LVC_MixSoft_1St_D16C31_SAT( LVMixer3_1St_st *ptrInstance, 382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent const LVM_INT16 *src, 392c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 *dst, 402c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 n) 412c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent{ 422c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent char HardMixing = TRUE; 432c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 TargetGain; 442c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Mix_Private_st *pInstance=(Mix_Private_st *)(ptrInstance->MixerStream[0].PrivateParams); 452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(n<=0) return; 472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /****************************************************************************** 492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent SOFT MIXING 502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *******************************************************************************/ 512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (pInstance->Current != pInstance->Target) 522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 532c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(pInstance->Delta == 0x7FFFFFFF){ 542c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->Current = pInstance->Target; 552c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent TargetGain=pInstance->Target>>(16-pInstance->Shift); // TargetGain in Q16.15 format 562c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Mixer_SetTarget(&(ptrInstance->MixerStream[0]),TargetGain); 572c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent }else if (Abs_32(pInstance->Current-pInstance->Target) < pInstance->Delta){ 582c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->Current = pInstance->Target; /* Difference is not significant anymore. Make them equal. */ 592c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent TargetGain=pInstance->Target>>(16-pInstance->Shift); // TargetGain in Q16.15 format 602c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Mixer_SetTarget(&(ptrInstance->MixerStream[0]),TargetGain); 612c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent }else{ 622c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Soft mixing has to be applied */ 632c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent HardMixing = FALSE; 642c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(pInstance->Shift!=0){ 652c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Shift_Sat_v16xv16 ((LVM_INT16)pInstance->Shift,src,dst,n); 662c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Core_MixSoft_1St_D16C31_WRA( &(ptrInstance->MixerStream[0]), dst, dst, n); 672c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 682c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 692c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Core_MixSoft_1St_D16C31_WRA( &(ptrInstance->MixerStream[0]), src, dst, n); 702c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 712c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 722c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 732c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /****************************************************************************** 742c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent HARD MIXING 752c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *******************************************************************************/ 762c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 772c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (HardMixing){ 782c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (pInstance->Target == 0) 792c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LoadConst_16(0, dst, n); 802c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if(pInstance->Shift!=0){ 812c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Shift_Sat_v16xv16 ((LVM_INT16)pInstance->Shift,src,dst,n); 822c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if ((pInstance->Target>>16) != 0x7FFF) 832c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Mult3s_16x16( dst, (LVM_INT16)(pInstance->Target>>16), dst, n ); 842c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 852c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else { 862c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if ((pInstance->Target>>16) != 0x7FFF) 872c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Mult3s_16x16( src, (LVM_INT16)(pInstance->Target>>16), dst, n ); 882c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if(src!=dst) 892c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Copy_16(src, dst, n); 902c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 912c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 922c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 932c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 942c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /****************************************************************************** 952c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent CALL BACK 962c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *******************************************************************************/ 972c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 982c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (ptrInstance->MixerStream[0].CallbackSet){ 992c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Abs_32(pInstance->Current-pInstance->Target) < pInstance->Delta){ 1002c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->Current = pInstance->Target; /* Difference is not significant anymore. Make them equal. */ 1012c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent TargetGain=pInstance->Target>>(16-pInstance->Shift); // TargetGain in Q16.15 format 1022c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Mixer_SetTarget(ptrInstance->MixerStream,TargetGain); 1032c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent ptrInstance->MixerStream[0].CallbackSet = FALSE; 1042c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (ptrInstance->MixerStream[0].pCallBack != 0){ 1052c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent (*ptrInstance->MixerStream[0].pCallBack) ( ptrInstance->MixerStream[0].pCallbackHandle, ptrInstance->MixerStream[0].pGeneralPurpose,ptrInstance->MixerStream[0].CallbackParam ); 1062c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1072c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1082c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1092c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 1102c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1112c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/**********************************************************************************/ 112