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