55 lines
1.1 KiB
C++
55 lines
1.1 KiB
C++
#ifndef CORE_AMBDEC_H
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#define CORE_AMBDEC_H
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#include <array>
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#include <memory>
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#include <string>
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#include "aloptional.h"
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#include "core/ambidefs.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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size_t NumSpeakers{0};
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std::unique_ptr<SpeakerConf[]> Speakers;
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using CoeffArray = std::array<float,MaxAmbiChannels>;
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std::unique_ptr<CoeffArray[]> Matrix;
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/* Unused when FreqBands == 1 */
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float LFOrderGain[MaxAmbiOrder+1]{};
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CoeffArray *LFMatrix;
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float HFOrderGain[MaxAmbiOrder+1]{};
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CoeffArray *HFMatrix;
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~AmbDecConf();
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al::optional<std::string> load(const char *fname) noexcept;
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};
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#endif /* CORE_AMBDEC_H */
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