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aff3789834
Added another buffer operation BufMixCoeff allowing to mix a certain buffer to another at a given amount (coeff). CpuX86 has been extended by an according SSE implementation.
107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
/*
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* Cpu.h - CPU specific accellerated operations
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*
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* Copyright (c) 2008-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _CPU_H
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#define _CPU_H
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#include "lmms_basics.h"
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#include "export.h"
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#ifdef LMMS_HAVE_STDBOOL_H
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#include <stdbool.h>
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#endif
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#ifdef __cplusplus
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namespace CPU
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{
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#endif
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void init();
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void * memAlloc( int _bytes );
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void memFree( void * _buf );
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sampleFrameA * EXPORT allocFrames( int _frames );
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void EXPORT freeFrames( sampleFrameA * _buf );
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// all functions assume data to be 16 byte and size to be
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// multiples of 64 (except for unaligned*())
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typedef void (*MemCpyFunc)( void * RP _dst, const void * RP _src,
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int _size );
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typedef void (*MemClearFunc)( void * RP _dst, int _size );
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typedef void (*BufApplyGainFunc)( sampleFrameA * RP _dst,
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float _gain, int _frames );
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typedef void (*BufMixFunc)( sampleFrameA * RP _dst,
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const sampleFrameA * RP _src,
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int _frames );
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typedef void (*BufMixCoeffFunc)( sampleFrameA * RP _dst,
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const sampleFrameA * RP _src,
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float _coeff, int _frames );
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typedef void (*BufMixLRCoeffFunc)( sampleFrameA * RP _dst,
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const sampleFrameA * RP _src,
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float _left, float _right,
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int _frames );
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typedef void (*UnalignedBufMixLRCoeffFunc)( sampleFrame * RP _dst,
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const sampleFrame * RP _src,
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float _left, float _right,
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int _frames );
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typedef void (*BufWetDryMixFunc)( sampleFrameA * RP _dst,
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const sampleFrameA * RP _src,
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float _wet, float _dry, int _frames );
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typedef void (*BufWetDryMixSplittedFunc)( sampleFrameA * RP _dst,
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const float * RP _left,
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const float * RP _right,
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float _wet, float _dry, int _frames );
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typedef int (*ConvertToS16Func)( const sampleFrameA * RP _src,
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intSampleFrameA * RP _dst,
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const fpp_t _frames,
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const float _master_gain,
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const bool _convert_endian );
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extern MemCpyFunc memCpy;
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extern MemClearFunc memClear;
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extern BufApplyGainFunc bufApplyGain;
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extern BufMixFunc bufMix;
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extern BufMixCoeffFunc bufMixCoeff;
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extern BufMixLRCoeffFunc bufMixLRCoeff;
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extern UnalignedBufMixLRCoeffFunc unalignedBufMixLRCoeff;
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extern BufWetDryMixFunc bufWetDryMix;
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extern EXPORT BufWetDryMixSplittedFunc bufWetDryMixSplitted;
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extern ConvertToS16Func convertToS16;
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#ifdef __cplusplus
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}
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#endif
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#ifdef LMMS_HOST_X86
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#define X86_OPTIMIZATIONS
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#endif
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#ifdef LMMS_HOST_X86_64
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#define X86_OPTIMIZATIONS
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#endif
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#endif
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