🛠️🐜 Antkeeper superbuild with dependencies included https://antkeeper.com
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#ifndef CORE_MIXER_HRTFDEFS_H
#define CORE_MIXER_HRTFDEFS_H
#include <array>
#include "alspan.h"
#include "core/ambidefs.h"
#include "core/bufferline.h"
#include "core/filters/splitter.h"
using float2 = std::array<float,2>;
using ubyte = unsigned char;
using ubyte2 = std::array<ubyte,2>;
using ushort = unsigned short;
using uint = unsigned int;
using uint2 = std::array<uint,2>;
constexpr uint HrtfHistoryBits{6};
constexpr uint HrtfHistoryLength{1 << HrtfHistoryBits};
constexpr uint HrtfHistoryMask{HrtfHistoryLength - 1};
constexpr uint HrirBits{7};
constexpr uint HrirLength{1 << HrirBits};
constexpr uint HrirMask{HrirLength - 1};
constexpr uint MinIrLength{8};
using HrirArray = std::array<float2,HrirLength>;
using HrirSpan = al::span<float2,HrirLength>;
using ConstHrirSpan = al::span<const float2,HrirLength>;
struct MixHrtfFilter {
const ConstHrirSpan Coeffs;
uint2 Delay;
float Gain;
float GainStep;
};
struct HrtfFilter {
alignas(16) HrirArray Coeffs;
uint2 Delay;
float Gain;
};
struct HrtfChannelState {
BandSplitter mSplitter;
float mHfScale{};
alignas(16) HrirArray mCoeffs{};
};
#endif /* CORE_MIXER_HRTFDEFS_H */