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#ifndef CORE_MIXER_HRTFDEFS_H
#define CORE_MIXER_HRTFDEFS_H
#include <array>
#include "core/ambidefs.h"
#include "core/bufferline.h"
#include "core/filters/splitter.h"
#define HRTF_HISTORY_BITS 6
#define HRTF_HISTORY_LENGTH (1<<HRTF_HISTORY_BITS)
#define HRTF_HISTORY_MASK (HRTF_HISTORY_LENGTH-1)
#define HRIR_BITS 7
#define HRIR_LENGTH (1<<HRIR_BITS)
#define HRIR_MASK (HRIR_LENGTH-1)
#define MIN_IR_LENGTH 8
#define HRTF_DIRECT_DELAY 256
using float2 = std::array<float,2>;
using HrirArray = std::array<float2,HRIR_LENGTH>;
using ubyte = unsigned char;
using ubyte2 = std::array<ubyte,2>;
using ushort = unsigned short;
using uint = unsigned int;
struct MixHrtfFilter {
const HrirArray *Coeffs;
std::array<uint,2> Delay;
float Gain;
float GainStep;
};
struct HrtfFilter {
alignas(16) HrirArray Coeffs;
std::array<uint,2> Delay;
float Gain;
};
struct HrtfChannelState {
std::array<float,HRTF_DIRECT_DELAY> mDelay{};
BandSplitter mSplitter;
float mHfScale{};
alignas(16) HrirArray mCoeffs{};
};
#endif /* CORE_MIXER_HRTFDEFS_H */
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