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7367750823
* Renamed lmms_basics.h to LmmsTypes.h and scoped it down for that purpose. * Shifted the LMMS_STRINGIFY macro to it's own header. * Removed the debug.h header file and use cmake to handle the macro logic. * Remove some unused headers and include directives
89 lines
3.6 KiB
C++
89 lines
3.6 KiB
C++
/*
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* MixHelpers.h - helper functions for mixing buffers
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*
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* Copyright (c) 2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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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 LMMS_MIX_HELPERS_H
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#define LMMS_MIX_HELPERS_H
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#include "LmmsTypes.h"
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namespace lmms
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{
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class ValueBuffer;
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class SampleFrame;
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namespace MixHelpers
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{
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bool isSilent( const SampleFrame* src, int frames );
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bool useNaNHandler();
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void setNaNHandler( bool use );
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bool sanitize( SampleFrame* src, int frames );
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/*! \brief Add samples from src to dst */
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void add( SampleFrame* dst, const SampleFrame* src, int frames );
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/*! \brief Multiply samples from `dst` by `coeff` */
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void multiply(SampleFrame* dst, float coeff, int frames);
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/*! \brief Add samples from src multiplied by coeffSrc to dst */
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void addMultiplied( SampleFrame* dst, const SampleFrame* src, float coeffSrc, int frames );
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/*! \brief Add samples from src multiplied by coeffSrc to dst, swap inputs */
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void addSwappedMultiplied( SampleFrame* dst, const SampleFrame* src, float coeffSrc, int frames );
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/*! \brief Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst */
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void addMultipliedByBuffer( SampleFrame* dst, const SampleFrame* src, float coeffSrc, ValueBuffer * coeffSrcBuf, int frames );
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/*! \brief Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst */
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void addMultipliedByBuffers( SampleFrame* dst, const SampleFrame* src, ValueBuffer * coeffSrcBuf1, ValueBuffer * coeffSrcBuf2, int frames );
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/*! \brief Same as addMultiplied, but sanitize output (strip out infs/nans) */
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void addSanitizedMultiplied( SampleFrame* dst, const SampleFrame* src, float coeffSrc, int frames );
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/*! \brief Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst - sanitized version */
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void addSanitizedMultipliedByBuffer( SampleFrame* dst, const SampleFrame* src, float coeffSrc, ValueBuffer * coeffSrcBuf, int frames );
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/*! \brief Add samples from src multiplied by coeffSrc and coeffSrcBuf to dst - sanitized version */
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void addSanitizedMultipliedByBuffers( SampleFrame* dst, const SampleFrame* src, ValueBuffer * coeffSrcBuf1, ValueBuffer * coeffSrcBuf2, int frames );
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/*! \brief Add samples from src multiplied by coeffSrcLeft/coeffSrcRight to dst */
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void addMultipliedStereo( SampleFrame* dst, const SampleFrame* src, float coeffSrcLeft, float coeffSrcRight, int frames );
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/*! \brief Multiply dst by coeffDst and add samples from src multiplied by coeffSrc */
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void multiplyAndAddMultiplied( SampleFrame* dst, const SampleFrame* src, float coeffDst, float coeffSrc, int frames );
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/*! \brief Multiply dst by coeffDst and add samples from srcLeft/srcRight multiplied by coeffSrc */
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void multiplyAndAddMultipliedJoined( SampleFrame* dst, const sample_t* srcLeft, const sample_t* srcRight, float coeffDst, float coeffSrc, int frames );
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} // namespace MixHelpers
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} // namespace lmms
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#endif // LMMS_MIX_HELPERS_H
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