/* * Copyright (C) 2004-2010 NXP Software * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /********************************************************************************** INCLUDE FILES ***********************************************************************************/ #include "LVC_Mixer_Private.h" /********************************************************************************** FUNCTION LVCore_MIXHARD_2ST_D16C31_SAT ***********************************************************************************/ void LVC_Core_MixHard_2St_D16C31_SAT( LVMixer3_st *ptrInstance1, LVMixer3_st *ptrInstance2, const LVM_INT16 *src1, const LVM_INT16 *src2, LVM_INT16 *dst, LVM_INT16 n) { LVM_INT32 Temp; LVM_INT16 ii; LVM_INT16 Current1Short; LVM_INT16 Current2Short; Mix_Private_st *pInstance1=(Mix_Private_st *)(ptrInstance1->PrivateParams); Mix_Private_st *pInstance2=(Mix_Private_st *)(ptrInstance2->PrivateParams); Current1Short = (LVM_INT16)(pInstance1->Current >> 16); Current2Short = (LVM_INT16)(pInstance2->Current >> 16); for (ii = n; ii != 0; ii--){ Temp = (((LVM_INT32)*(src1++) * (LVM_INT32)Current1Short)>>15) + (((LVM_INT32)*(src2++) * (LVM_INT32)Current2Short)>>15); if (Temp > 0x00007FFF) *dst++ = 0x7FFF; else if (Temp < -0x00008000) *dst++ = - 0x8000; else *dst++ = (LVM_INT16)Temp; } } /**********************************************************************************/