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 #include "LVM_Types.h" 19 #include "LVM_Macros.h" 20 #include "LVC_Mixer_Private.h" 21 22 23 /************************************************************************/ 24 /* FUNCTION: */ 25 /* LVMixer3_GetCurrent */ 26 /* */ 27 /* DESCRIPTION: */ 28 /* This function returns the CurrentGain in Q16.15 format */ 29 /* */ 30 /* RETURNS: */ 31 /* CurrentGain - CurrentGain value in Q 16.15 format */ 32 /* */ 33 /************************************************************************/ 34 #ifdef BUILD_FLOAT 35 LVM_FLOAT LVC_Mixer_GetCurrent( LVMixer3_FLOAT_st *pStream) 36 { 37 LVM_FLOAT CurrentGain; 38 Mix_Private_FLOAT_st *pInstance = (Mix_Private_FLOAT_st *)pStream->PrivateParams; 39 CurrentGain = pInstance->Current; // CurrentGain 40 return CurrentGain; 41 } 42 #else 43 LVM_INT32 LVC_Mixer_GetCurrent( LVMixer3_st *pStream) 44 { 45 LVM_INT32 CurrentGain; 46 Mix_Private_st *pInstance=(Mix_Private_st *)pStream->PrivateParams; 47 CurrentGain=pInstance->Current>>(16-pInstance->Shift); // CurrentGain in Q16.15 format 48 return CurrentGain; 49 } 50 #endif 51
