Alc/ambdec.h

   1 #ifndef AMBDEC_H
   2 #define AMBDEC_H
   3
   4 #include <string>
   5
   6 #include "alMain.h"
   7
   8 /* Helpers to read .ambdec configuration files. */
   9
  10 enum class AmbDecScale {
  11     N3D,
  12     SN3D,
  13     FuMa,
  14 };
  15 struct AmbDecConf {
  16     std::string Description;
  17     ALuint Version; /* Must be 3 */
  18
  19     ALuint ChanMask;
  20     ALuint FreqBands; /* Must be 1 or 2 */
  21     ALsizei NumSpeakers;
  22     AmbDecScale CoeffScale;
  23
  24     ALfloat XOverFreq;
  25     ALfloat XOverRatio;
  26
  27     struct {
  28         std::string Name;
  29         ALfloat Distance;
  30         ALfloat Azimuth;
  31         ALfloat Elevation;
  32         std::string Connection;
  33     } Speakers[MAX_OUTPUT_CHANNELS];
  34
  35     /* Unused when FreqBands == 1 */
  36     ALfloat LFOrderGain[MAX_AMBI_ORDER+1];
  37     ALfloat LFMatrix[MAX_OUTPUT_CHANNELS][MAX_AMBI_COEFFS];
  38
  39     ALfloat HFOrderGain[MAX_AMBI_ORDER+1];
  40     ALfloat HFMatrix[MAX_OUTPUT_CHANNELS][MAX_AMBI_COEFFS];
  41
  42     int load(const char *fname) noexcept;
  43 };
  44
  45 #endif /* AMBDEC_H */