8 #include "aloptional.h"
9 #include "core/ambidefs.h"
11 /* Helpers to read .ambdec configuration files. */
13 enum class AmbDecScale {
20 std::string Description;
21 int Version{0}; /* Must be 3 */
23 unsigned int ChanMask{0u};
24 unsigned int FreqBands{0u}; /* Must be 1 or 2 */
25 AmbDecScale CoeffScale{AmbDecScale::Unset};
27 float XOverFreq{0.0f};
28 float XOverRatio{0.0f};
34 float Elevation{0.0f};
35 std::string Connection;
37 size_t NumSpeakers{0};
38 std::unique_ptr<SpeakerConf[]> Speakers;
40 using CoeffArray = std::array<float,MaxAmbiChannels>;
41 std::unique_ptr<CoeffArray[]> Matrix;
43 /* Unused when FreqBands == 1 */
44 float LFOrderGain[MaxAmbiOrder+1]{};
47 float HFOrderGain[MaxAmbiOrder+1]{};
52 al::optional<std::string> load(const char *fname) noexcept;
55 #endif /* CORE_AMBDEC_H */