MixSoft_1St_D32C31_WRA.c revision 2c8e5cab3faa6d360e222b7a6c40a80083d021ac
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/* */ 202c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* Project:: */ 212c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* $Author: beq07716 $*/ 222c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* $Revision: 1000 $*/ 232c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* $Date: 2010-06-28 13:08:20 +0200 (Mon, 28 Jun 2010) $*/ 242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* */ 252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/************************************************************************/ 262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent INCLUDE FILES 292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "Mixer_private.h" 322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "VectorArithmetic.h" 332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent DEFINITIONS 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define TRUE 1 392c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define FALSE 0 402c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 412c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 422c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 432c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 442c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent FUNCTION MIXSOFT_1ST_D32C31_WRA 452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid MixSoft_1St_D32C31_WRA( Mix_1St_Cll_t *pInstance, 482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent const LVM_INT32 *src, 492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 *dst, 502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 n) 512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent{ 522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent char HardMixing = TRUE; 532c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 542c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(n<=0) return; 552c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 562c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /****************************************************************************** 572c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent SOFT MIXING 582c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *******************************************************************************/ 592c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (pInstance->Current != pInstance->Target) 602c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 612c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(pInstance->Alpha == 0){ 622c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->Current = pInstance->Target; 632c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent }else if ((pInstance->Current-pInstance->Target <POINT_ZERO_ONE_DB)&& 642c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent (pInstance->Current-pInstance->Target > -POINT_ZERO_ONE_DB)){ 652c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->Current = pInstance->Target; /* Difference is not significant anymore. Make them equal. */ 662c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent }else{ 672c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Soft mixing has to be applied */ 682c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent HardMixing = FALSE; 692c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Core_MixSoft_1St_D32C31_WRA( pInstance, 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_32(0, dst, n); 802c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if ((pInstance->Target>>16) == 0x7FFF){ 812c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (src != dst) 822c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Copy_16((LVM_INT16*)src, (LVM_INT16*)dst, (LVM_INT16)(n * 2)); 832c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 842c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 852c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Mult3s_32x16( src, (LVM_INT16)(pInstance->Current>>16), dst, n ); 862c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 872c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 882c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /****************************************************************************** 892c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent CALL BACK 902c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *******************************************************************************/ 912c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 922c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (pInstance->CallbackSet){ 932c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if ((pInstance->Current-pInstance->Target <POINT_ZERO_ONE_DB)&& 942c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent (pInstance->Current-pInstance->Target > -POINT_ZERO_ONE_DB)){ 952c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->Current = pInstance->Target; /* Difference is not significant anymore. Make them equal. */ 962c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->CallbackSet = FALSE; 972c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (pInstance->pCallBack != 0){ 982c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent (*pInstance->pCallBack) ( pInstance->pCallbackHandle, pInstance->pGeneralPurpose,pInstance->CallbackParam ); 992c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1002c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1012c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 1022c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 1032c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 1042c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/**********************************************************************************/ 105