| /* |
| * 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. |
| */ |
| |
| #ifndef _VECTOR_ARITHMETIC_H_ |
| #define _VECTOR_ARITHMETIC_H_ |
| |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif /* __cplusplus */ |
| |
| #include "LVM_Types.h" |
| |
| /********************************************************************************** |
| VARIOUS FUNCTIONS |
| ***********************************************************************************/ |
| |
| #ifdef BUILD_FLOAT |
| void LoadConst_Float( const LVM_FLOAT val, |
| LVM_FLOAT *dst, |
| LVM_INT16 n ); |
| #else |
| void LoadConst_16( const LVM_INT16 val, |
| LVM_INT16 *dst, |
| LVM_INT16 n ); |
| |
| void LoadConst_32( const LVM_INT32 val, |
| LVM_INT32 *dst, |
| LVM_INT16 n ); |
| #endif |
| |
| #ifdef BUILD_FLOAT |
| void Copy_Float( const LVM_FLOAT *src, |
| LVM_FLOAT *dst, |
| LVM_INT16 n ); |
| #ifdef SUPPORT_MC |
| void Copy_Float_Mc_Stereo( const LVM_FLOAT *src, |
| LVM_FLOAT *dst, |
| LVM_INT16 NrFrames, |
| LVM_INT32 NrChannels); |
| void Copy_Float_Stereo_Mc( const LVM_FLOAT *src, |
| LVM_FLOAT *dst, |
| LVM_INT16 NrFrames, |
| LVM_INT32 NrChannels); |
| #endif |
| #else |
| void Copy_16( const LVM_INT16 *src, |
| LVM_INT16 *dst, |
| LVM_INT16 n ); |
| #endif |
| |
| /********************************************************************************* |
| * note: In Mult3s_16x16() saturation of result is not taken care when * |
| * overflow occurs. * |
| * For example when *src = 0x8000, val = *0x8000 * |
| * The function gives the output as 0x8000 instead of 0x7fff * |
| * This is the only case which will give wrong result. * |
| * For more information refer to Vector_Arithmetic.doc in /doc folder * |
| *********************************************************************************/ |
| #ifdef BUILD_FLOAT |
| void Mult3s_Float( const LVM_FLOAT *src, |
| const LVM_FLOAT val, |
| LVM_FLOAT *dst, |
| LVM_INT16 n); |
| #else |
| void Mult3s_16x16( const LVM_INT16 *src, |
| const LVM_INT16 val, |
| LVM_INT16 *dst, |
| LVM_INT16 n); |
| #endif |
| |
| /********************************************************************************* |
| * note: In Mult3s_32x16() saturation of result is not taken care when * |
| * overflow occurs. * |
| * For example when *src = 0x8000000, val = *0x8000 * |
| * The function gives the output as 0x8000000 instead of 0x7fffffff * |
| * This is the only extreme condition which is giving unexpected result * |
| * For more information refer to Vector_Arithmetic.doc in /doc folder * |
| *********************************************************************************/ |
| void Mult3s_32x16( const LVM_INT32 *src, |
| const LVM_INT16 val, |
| LVM_INT32 *dst, |
| LVM_INT16 n); |
| #ifdef BUILD_FLOAT |
| void DelayMix_Float(const LVM_FLOAT *src, /* Source 1, to be delayed */ |
| LVM_FLOAT *delay, /* Delay buffer */ |
| LVM_INT16 size, /* Delay size */ |
| LVM_FLOAT *dst, /* Source/destination */ |
| LVM_INT16 *pOffset, /* Delay offset */ |
| LVM_INT16 n) ; /* Number of stereo samples */ |
| #else |
| void DelayMix_16x16( const LVM_INT16 *src, |
| LVM_INT16 *delay, |
| LVM_INT16 size, |
| LVM_INT16 *dst, |
| LVM_INT16 *pOffset, |
| LVM_INT16 n); |
| #endif |
| void DelayWrite_32( const LVM_INT32 *src, /* Source 1, to be delayed */ |
| LVM_INT32 *delay, /* Delay buffer */ |
| LVM_UINT16 size, /* Delay size */ |
| LVM_UINT16 *pOffset, /* Delay offset */ |
| LVM_INT16 n); |
| #ifdef BUILD_FLOAT |
| void Add2_Sat_Float( const LVM_FLOAT *src, |
| LVM_FLOAT *dst, |
| LVM_INT16 n ); |
| #else |
| void Add2_Sat_16x16( const LVM_INT16 *src, |
| LVM_INT16 *dst, |
| LVM_INT16 n ); |
| |
| void Add2_Sat_32x32( const LVM_INT32 *src, |
| LVM_INT32 *dst, |
| LVM_INT16 n ); |
| #endif |
| #ifdef BUILD_FLOAT |
| void Mac3s_Sat_Float( const LVM_FLOAT *src, |
| const LVM_FLOAT val, |
| LVM_FLOAT *dst, |
| LVM_INT16 n); |
| #else |
| void Mac3s_Sat_16x16( const LVM_INT16 *src, |
| const LVM_INT16 val, |
| LVM_INT16 *dst, |
| LVM_INT16 n); |
| |
| void Mac3s_Sat_32x16( const LVM_INT32 *src, |
| const LVM_INT16 val, |
| LVM_INT32 *dst, |
| LVM_INT16 n); |
| #endif |
| void DelayAllPass_Sat_32x16To32( LVM_INT32 *delay, /* Delay buffer */ |
| LVM_UINT16 size, /* Delay size */ |
| LVM_INT16 coeff, /* All pass filter coefficient */ |
| LVM_UINT16 DelayOffset, /* Simple delay offset */ |
| LVM_UINT16 *pAllPassOffset, /* All pass filter delay offset */ |
| LVM_INT32 *dst, /* Source/destination */ |
| LVM_INT16 n); |
| |
| /********************************************************************************** |
| SHIFT FUNCTIONS |
| ***********************************************************************************/ |
| #ifdef BUILD_FLOAT |
| void Shift_Sat_Float (const LVM_INT16 val, |
| const LVM_FLOAT *src, |
| LVM_FLOAT *dst, |
| LVM_INT16 n); |
| #else |
| void Shift_Sat_v16xv16 ( const LVM_INT16 val, |
| const LVM_INT16 *src, |
| LVM_INT16 *dst, |
| LVM_INT16 n); |
| |
| void Shift_Sat_v32xv32 ( const LVM_INT16 val, |
| const LVM_INT32 *src, |
| LVM_INT32 *dst, |
| LVM_INT16 n); |
| #endif |
| /********************************************************************************** |
| AUDIO FORMAT CONVERSION FUNCTIONS |
| ***********************************************************************************/ |
| #ifdef BUILD_FLOAT |
| void MonoTo2I_Float( const LVM_FLOAT *src, |
| LVM_FLOAT *dst, |
| LVM_INT16 n); |
| #else |
| void MonoTo2I_16( const LVM_INT16 *src, |
| LVM_INT16 *dst, |
| LVM_INT16 n); |
| |
| void MonoTo2I_32( const LVM_INT32 *src, |
| LVM_INT32 *dst, |
| LVM_INT16 n); |
| #endif |
| #ifdef BUILD_FLOAT |
| void From2iToMono_Float( const LVM_FLOAT *src, |
| LVM_FLOAT *dst, |
| LVM_INT16 n); |
| #ifdef SUPPORT_MC |
| void FromMcToMono_Float(const LVM_FLOAT *src, |
| LVM_FLOAT *dst, |
| LVM_INT16 NrFrames, |
| LVM_INT16 NrChannels); |
| #endif |
| #else |
| void From2iToMono_32( const LVM_INT32 *src, |
| LVM_INT32 *dst, |
| LVM_INT16 n); |
| #endif |
| #ifdef BUILD_FLOAT |
| void MSTo2i_Sat_Float( const LVM_FLOAT *srcM, |
| const LVM_FLOAT *srcS, |
| LVM_FLOAT *dst, |
| LVM_INT16 n ); |
| #else |
| void MSTo2i_Sat_16x16( const LVM_INT16 *srcM, |
| const LVM_INT16 *srcS, |
| LVM_INT16 *dst, |
| LVM_INT16 n ); |
| #endif |
| #ifdef BUILD_FLOAT |
| void From2iToMS_Float( const LVM_FLOAT *src, |
| LVM_FLOAT *dstM, |
| LVM_FLOAT *dstS, |
| LVM_INT16 n ); |
| #else |
| void From2iToMS_16x16( const LVM_INT16 *src, |
| LVM_INT16 *dstM, |
| LVM_INT16 *dstS, |
| LVM_INT16 n ); |
| #endif |
| #ifdef BUILD_FLOAT |
| void JoinTo2i_Float( const LVM_FLOAT *srcL, |
| const LVM_FLOAT *srcR, |
| LVM_FLOAT *dst, |
| LVM_INT16 n ); |
| #else |
| void From2iToMono_16( const LVM_INT16 *src, |
| LVM_INT16 *dst, |
| LVM_INT16 n); |
| void JoinTo2i_32x32( const LVM_INT32 *srcL, |
| const LVM_INT32 *srcR, |
| LVM_INT32 *dst, |
| LVM_INT16 n ); |
| #endif |
| |
| /********************************************************************************** |
| DATA TYPE CONVERSION FUNCTIONS |
| ***********************************************************************************/ |
| |
| void Int16LShiftToInt32_16x32(const LVM_INT16 *src, |
| LVM_INT32 *dst, |
| LVM_INT16 n, |
| LVM_INT16 shift ); |
| |
| void Int32RShiftToInt16_Sat_32x16(const LVM_INT32 *src, |
| LVM_INT16 *dst, |
| LVM_INT16 n, |
| LVM_INT16 shift ); |
| |
| #ifdef __cplusplus |
| } |
| #endif /* __cplusplus */ |
| |
| |
| /**********************************************************************************/ |
| |
| #endif /* _VECTOR_ARITHMETIC_H_ */ |
| |
| /**********************************************************************************/ |
