Alc/ambdec.h

   1 #ifndef AMBDEC_H
   2 #define AMBDEC_H
   3
   4 #include "alstring.h"
   5 #include "alMain.h"
   6
   7 /* Helpers to read .ambdec configuration files. */
   8
   9 enum AmbDecScaleType {
  10     ADS_N3D,
  11     ADS_SN3D,
  12     ADS_FuMa,
  13 };
  14 typedef struct AmbDecConf {
  15     al_string Description;
  16     ALuint Version; /* Must be 3 */
  17
  18     ALuint ChanMask;
  19     ALuint FreqBands; /* Must be 1 or 2 */
  20     ALuint NumSpeakers;
  21     enum AmbDecScaleType CoeffScale;
  22
  23     ALfloat XOverFreq;
  24     ALfloat XOverRatio;
  25
  26     struct {
  27         al_string Name;
  28         ALfloat Distance;
  29         ALfloat Azimuth;
  30         ALfloat Elevation;
  31         al_string Connection;
  32     } Speakers[MAX_OUTPUT_CHANNELS];
  33
  34     /* Unused when FreqBands == 1 */
  35     ALfloat LFOrderGain[MAX_AMBI_ORDER+1];
  36     ALfloat LFMatrix[MAX_OUTPUT_CHANNELS][MAX_AMBI_COEFFS];
  37
  38     ALfloat HFOrderGain[MAX_AMBI_ORDER+1];
  39     ALfloat HFMatrix[MAX_OUTPUT_CHANNELS][MAX_AMBI_COEFFS];
  40 } AmbDecConf;
  41
  42 void ambdec_init(AmbDecConf *conf);
  43 void ambdec_deinit(AmbDecConf *conf);
  44 int ambdec_load(AmbDecConf *conf, const char *fname);
  45
  46 #endif /* AMBDEC_H */