1 /* 2 * Copyright (C) 2004-2010 NXP Software 3 * Copyright (C) 2010 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 /********************************************************************************** 19 INCLUDE FILES 20 ***********************************************************************************/ 21 22 #include "Mixer_private.h" 23 #include "VectorArithmetic.h" 24 25 /********************************************************************************** 26 DEFINITIONS 27 ***********************************************************************************/ 28 29 #define TRUE 1 30 #define FALSE 0 31 32 33 34 /********************************************************************************** 35 FUNCTION MIXSOFT_1ST_D32C31_WRA 36 ***********************************************************************************/ 37 #ifdef BUILD_FLOAT 38 void MixSoft_1St_D32C31_WRA( Mix_1St_Cll_FLOAT_t *pInstance, 39 const LVM_FLOAT *src, 40 LVM_FLOAT *dst, 41 LVM_INT16 n) 42 { 43 char HardMixing = TRUE; 44 45 if(n <= 0) return; 46 47 /****************************************************************************** 48 SOFT MIXING 49 *******************************************************************************/ 50 if (pInstance->Current != pInstance->Target) 51 { 52 if(pInstance->Alpha == 0){ 53 pInstance->Current = pInstance->Target; 54 }else if ((pInstance->Current - pInstance->Target < POINT_ZERO_ONE_DB_FLOAT) && 55 (pInstance->Current - pInstance->Target > -POINT_ZERO_ONE_DB_FLOAT)){ 56 pInstance->Current = pInstance->Target; /* Difference is not significant anymore. \ 57 Make them equal. */ 58 }else{ 59 /* Soft mixing has to be applied */ 60 HardMixing = FALSE; 61 Core_MixSoft_1St_D32C31_WRA(pInstance, src, dst, n); 62 } 63 } 64 65 /****************************************************************************** 66 HARD MIXING 67 *******************************************************************************/ 68 69 if (HardMixing){ 70 if (pInstance->Target == 0) 71 LoadConst_Float(0, dst, n); 72 else if ((pInstance->Target) == 1.0f){ 73 if (src != dst) 74 Copy_Float((LVM_FLOAT*)src, (LVM_FLOAT*)dst, (LVM_INT16)(n)); 75 } 76 else 77 Mult3s_Float(src, pInstance->Current, dst, n); 78 } 79 80 /****************************************************************************** 81 CALL BACK 82 *******************************************************************************/ 83 84 if (pInstance->CallbackSet){ 85 if ((pInstance->Current - pInstance->Target < POINT_ZERO_ONE_DB_FLOAT) && 86 (pInstance->Current - pInstance->Target > -POINT_ZERO_ONE_DB_FLOAT)){ 87 pInstance->Current = pInstance->Target; /* Difference is not significant anymore. \ 88 Make them equal. */ 89 pInstance->CallbackSet = FALSE; 90 if (pInstance->pCallBack != 0){ 91 (*pInstance->pCallBack) ( pInstance->pCallbackHandle, 92 pInstance->pGeneralPurpose, 93 pInstance->CallbackParam ); 94 } 95 } 96 } 97 } 98 #else 99 void MixSoft_1St_D32C31_WRA( Mix_1St_Cll_t *pInstance, 100 const LVM_INT32 *src, 101 LVM_INT32 *dst, 102 LVM_INT16 n) 103 { 104 char HardMixing = TRUE; 105 106 if(n<=0) return; 107 108 /****************************************************************************** 109 SOFT MIXING 110 *******************************************************************************/ 111 if (pInstance->Current != pInstance->Target) 112 { 113 if(pInstance->Alpha == 0){ 114 pInstance->Current = pInstance->Target; 115 }else if ((pInstance->Current-pInstance->Target <POINT_ZERO_ONE_DB)&& 116 (pInstance->Current-pInstance->Target > -POINT_ZERO_ONE_DB)){ 117 pInstance->Current = pInstance->Target; /* Difference is not significant anymore. Make them equal. */ 118 }else{ 119 /* Soft mixing has to be applied */ 120 HardMixing = FALSE; 121 Core_MixSoft_1St_D32C31_WRA( pInstance, src, dst, n); 122 } 123 } 124 125 /****************************************************************************** 126 HARD MIXING 127 *******************************************************************************/ 128 129 if (HardMixing){ 130 if (pInstance->Target == 0) 131 LoadConst_32(0, dst, n); 132 else if ((pInstance->Target>>16) == 0x7FFF){ 133 if (src != dst) 134 Copy_16((LVM_INT16*)src, (LVM_INT16*)dst, (LVM_INT16)(n * 2)); 135 } 136 else 137 Mult3s_32x16( src, (LVM_INT16)(pInstance->Current>>16), dst, n ); 138 } 139 140 /****************************************************************************** 141 CALL BACK 142 *******************************************************************************/ 143 144 if (pInstance->CallbackSet){ 145 if ((pInstance->Current-pInstance->Target <POINT_ZERO_ONE_DB)&& 146 (pInstance->Current-pInstance->Target > -POINT_ZERO_ONE_DB)){ 147 pInstance->Current = pInstance->Target; /* Difference is not significant anymore. Make them equal. */ 148 pInstance->CallbackSet = FALSE; 149 if (pInstance->pCallBack != 0){ 150 (*pInstance->pCallBack) ( pInstance->pCallbackHandle, pInstance->pGeneralPurpose,pInstance->CallbackParam ); 151 } 152 } 153 } 154 } 155 #endif 156 /**********************************************************************************/ 157
