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 LVC_MixSoft_1St_2i_D16C31_SAT 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid LVC_MixSoft_1St_2i_D16C31_SAT( LVMixer3_2St_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 *pInstance1=(Mix_Private_st *)(ptrInstance->MixerStream[0].PrivateParams); 452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Mix_Private_st *pInstance2=(Mix_Private_st *)(ptrInstance->MixerStream[1].PrivateParams); 462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(n<=0) return; 482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /****************************************************************************** 502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent SOFT MIXING 512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *******************************************************************************/ 522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if ((pInstance1->Current != pInstance1->Target)||(pInstance2->Current != pInstance2->Target)) 532c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 542c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(pInstance1->Delta == 0x7FFFFFFF) 552c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 562c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance1->Current = pInstance1->Target; 572c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent TargetGain=pInstance1->Target>>16; // TargetGain in Q16.15 format, no integer part 582c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Mixer_SetTarget(&(ptrInstance->MixerStream[0]),TargetGain); 592c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 602c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if (Abs_32(pInstance1->Current-pInstance1->Target) < pInstance1->Delta) 612c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 622c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance1->Current = pInstance1->Target; /* Difference is not significant anymore. Make them equal. */ 632c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent TargetGain=pInstance1->Target>>16; // TargetGain in Q16.15 format, no integer part 642c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Mixer_SetTarget(&(ptrInstance->MixerStream[0]),TargetGain); 652c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 662c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 672c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 682c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Soft mixing has to be applied */ 692c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent HardMixing = FALSE; 702c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 712c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 722c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(HardMixing == TRUE) 732c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 742c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(pInstance2->Delta == 0x7FFFFFFF) 752c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 762c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance2->Current = pInstance2->Target; 772c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent TargetGain=pInstance2->Target>>16; // TargetGain in Q16.15 format, no integer part 782c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Mixer_SetTarget(&(ptrInstance->MixerStream[1]),TargetGain); 792c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 802c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if (Abs_32(pInstance2->Current-pInstance2->Target) < pInstance2->Delta) 812c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 822c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance2->Current = pInstance2->Target; /* Difference is not significant anymore. Make them equal. */ 832c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent TargetGain=pInstance2->Target>>16; // TargetGain in Q16.15 format, no integer part 842c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Mixer_SetTarget(&(ptrInstance->MixerStream[1]),TargetGain); 852c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 862c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 872c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 882c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Soft mixing has to be applied */ 892c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent HardMixing = FALSE; 902c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 912c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 922c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 932c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(HardMixing == FALSE) 942c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 952c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Core_MixSoft_1St_2i_D16C31_WRA( &(ptrInstance->MixerStream[0]),&(ptrInstance->MixerStream[1]), src, dst, n); 962c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 972c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 982c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 992c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /****************************************************************************** 1002c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent HARD MIXING 1012c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *******************************************************************************/ 1022c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1032c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (HardMixing) 1042c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 1052c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (((pInstance1->Target>>16) == 0x7FFF)&&((pInstance2->Target>>16) == 0x7FFF)) 1062c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 1072c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(src!=dst) 1082c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 1092c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Copy_16(src, dst, n); 1102c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1112c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1122c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 1132c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 1142c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Core_MixHard_1St_2i_D16C31_SAT(&(ptrInstance->MixerStream[0]),&(ptrInstance->MixerStream[1]), src, dst, n); 1152c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1162c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1172c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1182c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /****************************************************************************** 1192c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent CALL BACK 1202c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *******************************************************************************/ 1212c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1222c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (ptrInstance->MixerStream[0].CallbackSet) 1232c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 1242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Abs_32(pInstance1->Current-pInstance1->Target) < pInstance1->Delta) 1252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 1262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance1->Current = pInstance1->Target; /* Difference is not significant anymore. Make them equal. */ 1272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent TargetGain=pInstance1->Target>>(16-pInstance1->Shift); // TargetGain in Q16.15 format 1282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Mixer_SetTarget(&ptrInstance->MixerStream[0],TargetGain); 1292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent ptrInstance->MixerStream[0].CallbackSet = FALSE; 1302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (ptrInstance->MixerStream[0].pCallBack != 0) 1312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 1322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent (*ptrInstance->MixerStream[0].pCallBack) ( ptrInstance->MixerStream[0].pCallbackHandle, ptrInstance->MixerStream[0].pGeneralPurpose,ptrInstance->MixerStream[0].CallbackParam ); 1332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (ptrInstance->MixerStream[1].CallbackSet) 1372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 1382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (Abs_32(pInstance2->Current-pInstance2->Target) < pInstance2->Delta) 1392c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 1402c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance2->Current = pInstance2->Target; /* Difference is not significant anymore. Make them equal. */ 1412c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent TargetGain=pInstance2->Target>>(16-pInstance2->Shift); // TargetGain in Q16.15 format 1422c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVC_Mixer_SetTarget(&ptrInstance->MixerStream[1],TargetGain); 1432c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent ptrInstance->MixerStream[1].CallbackSet = FALSE; 1442c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (ptrInstance->MixerStream[1].pCallBack != 0) 1452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 1462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent (*ptrInstance->MixerStream[1].pCallBack) ( ptrInstance->MixerStream[1].pCallbackHandle, ptrInstance->MixerStream[1].pGeneralPurpose,ptrInstance->MixerStream[1].CallbackParam ); 1472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 1512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/**********************************************************************************/ 153