| /* |
| * 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" |
| #include "VectorArithmetic.h" |
| |
| /********************************************************************************** |
| FUNCTION LVC_MixSoft_2St_D16C31_SAT.c |
| ***********************************************************************************/ |
| void LVC_MixSoft_2St_D16C31_SAT(LVMixer3_2St_FLOAT_st *ptrInstance, |
| const LVM_FLOAT *src1, |
| const LVM_FLOAT *src2, |
| LVM_FLOAT *dst, |
| LVM_INT16 n) |
| { |
| Mix_Private_FLOAT_st *pInstance1 = \ |
| (Mix_Private_FLOAT_st *)(ptrInstance->MixerStream[0].PrivateParams); |
| Mix_Private_FLOAT_st *pInstance2 = \ |
| (Mix_Private_FLOAT_st *)(ptrInstance->MixerStream[1].PrivateParams); |
| |
| if(n <= 0) return; |
| |
| /****************************************************************************** |
| SOFT MIXING |
| *******************************************************************************/ |
| if ((pInstance1->Current == pInstance1->Target) && (pInstance1->Current == 0)){ |
| LVC_MixSoft_1St_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[1]), |
| src2, dst, n); |
| } |
| else if ((pInstance2->Current == pInstance2->Target) && (pInstance2->Current == 0)){ |
| LVC_MixSoft_1St_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[0]), |
| src1, dst, n); |
| } |
| else if ((pInstance1->Current != pInstance1->Target) || \ |
| (pInstance2->Current != pInstance2->Target)) |
| { |
| LVC_MixSoft_1St_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[0]), |
| src1, dst, n); |
| LVC_MixInSoft_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[1]), |
| src2, dst, n); |
| } |
| else{ |
| /****************************************************************************** |
| HARD MIXING |
| *******************************************************************************/ |
| LVC_Core_MixHard_2St_D16C31_SAT( &ptrInstance->MixerStream[0], |
| &ptrInstance->MixerStream[1], |
| src1, src2, dst, n); |
| } |
| } |
| |
| #ifdef SUPPORT_MC |
| /* |
| * FUNCTION: LVC_MixSoft_2Mc_D16C31_SAT |
| * |
| * DESCRIPTION: |
| * 2 stream Mixer function with support for processing multichannel input |
| * |
| * PARAMETERS: |
| * ptrInstance Instance pointer |
| * src1 First multichannel source |
| * src2 Second multichannel source |
| * dst Destination |
| * NrFrames Number of frames |
| * NrChannels Number of channels |
| * |
| * RETURNS: |
| * void |
| * |
| */ |
| void LVC_MixSoft_2Mc_D16C31_SAT(LVMixer3_2St_FLOAT_st *ptrInstance, |
| const LVM_FLOAT *src1, |
| const LVM_FLOAT *src2, |
| LVM_FLOAT *dst, |
| LVM_INT16 NrFrames, |
| LVM_INT16 NrChannels) |
| { |
| Mix_Private_FLOAT_st *pInstance1 = \ |
| (Mix_Private_FLOAT_st *)(ptrInstance->MixerStream[0].PrivateParams); |
| Mix_Private_FLOAT_st *pInstance2 = \ |
| (Mix_Private_FLOAT_st *)(ptrInstance->MixerStream[1].PrivateParams); |
| |
| if (NrFrames <= 0) return; |
| |
| /****************************************************************************** |
| SOFT MIXING |
| *******************************************************************************/ |
| if ((pInstance1->Current == pInstance1->Target) && (pInstance1->Current == 0)) { |
| LVC_MixSoft_Mc_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[1]), |
| src2, dst, NrFrames, NrChannels); |
| } |
| else if ((pInstance2->Current == pInstance2->Target) && (pInstance2->Current == 0)) { |
| LVC_MixSoft_Mc_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[0]), |
| src1, dst, NrFrames, NrChannels); |
| } |
| else if ((pInstance1->Current != pInstance1->Target) || \ |
| (pInstance2->Current != pInstance2->Target)) |
| { |
| LVC_MixSoft_Mc_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[0]), |
| src1, dst, NrFrames, NrChannels); |
| LVC_MixInSoft_Mc_D16C31_SAT((LVMixer3_1St_FLOAT_st *)(&ptrInstance->MixerStream[1]), |
| src2, dst, NrFrames, NrChannels); |
| } |
| else{ |
| /****************************************************************************** |
| HARD MIXING |
| *******************************************************************************/ |
| LVC_Core_MixHard_2St_D16C31_SAT(&ptrInstance->MixerStream[0], |
| &ptrInstance->MixerStream[1], |
| src1, src2, dst, NrFrames * NrChannels); |
| } |
| } |
| #endif |
| |
| /**********************************************************************************/ |