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#ifndef AMBDEC_H
#define AMBDEC_H
#include <array>
#include <string>
#include "ambidefs.h"
#include "vector.h"
/* Helpers to read .ambdec configuration files. */
enum class AmbDecScale {
N3D,
SN3D,
FuMa,
};
struct AmbDecConf {
std::string Description;
int Version{0}; /* Must be 3 */
unsigned int ChanMask{0u};
unsigned int FreqBands{0u}; /* Must be 1 or 2 */
AmbDecScale CoeffScale{};
float XOverFreq{0.0f};
float XOverRatio{0.0f};
struct SpeakerConf {
std::string Name;
float Distance{0.0f};
float Azimuth{0.0f};
float Elevation{0.0f};
std::string Connection;
};
al::vector<SpeakerConf> Speakers;
using CoeffArray = std::array<float,MAX_AMBI_CHANNELS>;
/* Unused when FreqBands == 1 */
float LFOrderGain[MAX_AMBI_ORDER+1]{};
al::vector<CoeffArray> LFMatrix;
float HFOrderGain[MAX_AMBI_ORDER+1]{};
al::vector<CoeffArray> HFMatrix;
int load(const char *fname) noexcept;
};
#endif /* AMBDEC_H */
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