46 lines
2.0 KiB
C
46 lines
2.0 KiB
C
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/*
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* MixerLoops.h
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* ------------
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* Purpose: Utility inner loops for mixer-related functionality.
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* Notes : none.
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#pragma once
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#include "BuildSettings.h"
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#include "Mixer.h"
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OPENMPT_NAMESPACE_BEGIN
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struct ModChannel;
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template <typename SampleType> struct audio_buffer_interleaved;
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template <typename SampleType> struct audio_buffer_planar;
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void StereoMixToFloat(const int32 *pSrc, float *pOut1, float *pOut2, uint32 nCount, const float _i2fc);
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void FloatToStereoMix(const float *pIn1, const float *pIn2, int32 *pOut, uint32 uint32, const float _f2ic);
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void MonoMixToFloat(const int32 *pSrc, float *pOut, uint32 uint32, const float _i2fc);
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void FloatToMonoMix(const float *pIn, int32 *pOut, uint32 uint32, const float _f2ic);
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#ifndef MODPLUG_TRACKER
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void ApplyGain(MixSampleInt *soundBuffer, std::size_t channels, std::size_t countChunk, int32 gainFactor16_16);
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void ApplyGain(MixSampleFloat *soundBuffer, std::size_t channels, std::size_t countChunk, float gainFactor);
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void ApplyGain(audio_buffer_interleaved<float> outputBuffer, std::size_t offset, std::size_t channels, std::size_t countChunk, float gainFactor);
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void ApplyGain(audio_buffer_planar<float> outputBuffer, std::size_t offset, std::size_t channels, std::size_t countChunk, float gainFactor);
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#endif // !MODPLUG_TRACKER
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void InitMixBuffer(mixsample_t *pBuffer, uint32 nSamples);
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void InterleaveFrontRear(mixsample_t *pFrontBuf, mixsample_t *pRearBuf, uint32 nFrames);
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void MonoFromStereo(mixsample_t *pMixBuf, uint32 nSamples);
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void InterleaveStereo(const mixsample_t *inputL, const mixsample_t *inputR, mixsample_t *output, size_t numSamples);
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void DeinterleaveStereo(const mixsample_t *input, mixsample_t *outputL, mixsample_t *outputR, size_t numSamples);
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void EndChannelOfs(ModChannel &chn, mixsample_t *pBuffer, uint32 nSamples);
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void StereoFill(mixsample_t *pBuffer, uint32 nSamples, mixsample_t &rofs, mixsample_t &lofs);
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OPENMPT_NAMESPACE_END
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