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 "Mixer_private.h" 232c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "VectorArithmetic.h" 242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent DEFINITIONS 272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define TRUE 1 302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define FALSE 0 312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/********************************************************************************** 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent FUNCTION MIXSOFT_1ST_D32C31_WRA 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent***********************************************************************************/ 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid MixSoft_1St_D32C31_WRA( Mix_1St_Cll_t *pInstance, 392c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent const LVM_INT32 *src, 402c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT32 *dst, 412c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_INT16 n) 422c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent{ 432c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent char HardMixing = TRUE; 442c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(n<=0) return; 462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /****************************************************************************** 482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent SOFT MIXING 492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *******************************************************************************/ 502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (pInstance->Current != pInstance->Target) 512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent { 522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if(pInstance->Alpha == 0){ 532c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->Current = pInstance->Target; 542c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent }else if ((pInstance->Current-pInstance->Target <POINT_ZERO_ONE_DB)&& 552c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent (pInstance->Current-pInstance->Target > -POINT_ZERO_ONE_DB)){ 562c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->Current = pInstance->Target; /* Difference is not significant anymore. Make them equal. */ 572c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent }else{ 582c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /* Soft mixing has to be applied */ 592c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent HardMixing = FALSE; 602c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Core_MixSoft_1St_D32C31_WRA( pInstance, src, dst, n); 612c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 622c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 632c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 642c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /****************************************************************************** 652c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent HARD MIXING 662c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *******************************************************************************/ 672c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 682c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (HardMixing){ 692c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (pInstance->Target == 0) 702c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LoadConst_32(0, dst, n); 712c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else if ((pInstance->Target>>16) == 0x7FFF){ 722c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (src != dst) 732c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Copy_16((LVM_INT16*)src, (LVM_INT16*)dst, (LVM_INT16)(n * 2)); 742c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 752c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent else 762c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent Mult3s_32x16( src, (LVM_INT16)(pInstance->Current>>16), dst, n ); 772c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 782c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 792c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent /****************************************************************************** 802c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent CALL BACK 812c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent *******************************************************************************/ 822c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 832c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (pInstance->CallbackSet){ 842c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if ((pInstance->Current-pInstance->Target <POINT_ZERO_ONE_DB)&& 852c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent (pInstance->Current-pInstance->Target > -POINT_ZERO_ONE_DB)){ 862c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->Current = pInstance->Target; /* Difference is not significant anymore. Make them equal. */ 872c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstance->CallbackSet = FALSE; 882c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent if (pInstance->pCallBack != 0){ 892c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent (*pInstance->pCallBack) ( pInstance->pCallbackHandle, pInstance->pGeneralPurpose,pInstance->CallbackParam ); 902c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 912c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 922c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent } 932c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 942c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 952c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/**********************************************************************************/ 96