AuroraOpenALSoft/core/front_stablizer.h
Chris Robinson ec30a306df Avoid using a reversed all-pass for the front stablizer
While a neat trick, it's been shown to be too volatile and add noise as the
signal gets louder. It's better to just accept the phase shift and ensure
everything stays aligned.
2023-01-06 01:40:10 -08:00

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C++

#ifndef CORE_FRONT_STABLIZER_H
#define CORE_FRONT_STABLIZER_H
#include <array>
#include <memory>
#include "almalloc.h"
#include "bufferline.h"
#include "filters/splitter.h"
struct FrontStablizer {
FrontStablizer(size_t numchans) : ChannelFilters{numchans} { }
alignas(16) std::array<float,BufferLineSize> MidDirect{};
alignas(16) std::array<float,BufferLineSize> Side{};
alignas(16) std::array<float,BufferLineSize> Temp{};
BandSplitter MidFilter;
alignas(16) FloatBufferLine MidLF{};
alignas(16) FloatBufferLine MidHF{};
al::FlexArray<BandSplitter,16> ChannelFilters;
static std::unique_ptr<FrontStablizer> Create(size_t numchans)
{ return std::unique_ptr<FrontStablizer>{new(FamCount(numchans)) FrontStablizer{numchans}}; }
DEF_FAM_NEWDEL(FrontStablizer, ChannelFilters)
};
#endif /* CORE_FRONT_STABLIZER_H */