| /* |
| * 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 |
| ***********************************************************************************/ |
| #ifdef BUILD_FLOAT |
| void LVC_Core_MixHard_2St_D16C31_SAT( LVMixer3_FLOAT_st *ptrInstance1, |
| LVMixer3_FLOAT_st *ptrInstance2, |
| const LVM_FLOAT *src1, |
| const LVM_FLOAT *src2, |
| LVM_FLOAT *dst, |
| LVM_INT16 n) |
| { |
| LVM_FLOAT Temp; |
| LVM_INT16 ii; |
| LVM_FLOAT Current1; |
| LVM_FLOAT Current2; |
| Mix_Private_FLOAT_st *pInstance1 = (Mix_Private_FLOAT_st *)(ptrInstance1->PrivateParams); |
| Mix_Private_FLOAT_st *pInstance2 = (Mix_Private_FLOAT_st *)(ptrInstance2->PrivateParams); |
| |
| |
| Current1 = (pInstance1->Current); |
| Current2 = (pInstance2->Current); |
| |
| for (ii = n; ii != 0; ii--){ |
| Temp = (((LVM_FLOAT)*(src1++) * (LVM_FLOAT)Current1)) + |
| (((LVM_FLOAT)*(src2++) * (LVM_FLOAT)Current2)); |
| if (Temp > 1.0f) |
| *dst++ = 1.0f; |
| else if (Temp < -1.0f) |
| *dst++ = -1.0f; |
| else |
| *dst++ = Temp; |
| } |
| } |
| #else |
| 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; |
| } |
| } |
| #endif |
| /**********************************************************************************/ |