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#ifndef AMBDEC_H
#define AMBDEC_H
#include "alstring.h"
#include "alMain.h"
/* Helpers to read .ambdec configuration files. */
enum AmbDecScaleType {
ADS_N3D,
ADS_SN3D,
ADS_FuMa,
};
typedef struct AmbDecConf {
al_string Description;
ALuint Version; /* Must be 3 */
ALuint ChanMask;
ALuint FreqBands; /* Must be 1 or 2 */
ALsizei NumSpeakers;
enum AmbDecScaleType CoeffScale;
ALfloat XOverFreq;
ALfloat XOverRatio;
struct {
al_string Name;
ALfloat Distance;
ALfloat Azimuth;
ALfloat Elevation;
al_string Connection;
} Speakers[MAX_OUTPUT_CHANNELS];
/* Unused when FreqBands == 1 */
ALfloat LFOrderGain[MAX_AMBI_ORDER+1];
ALfloat LFMatrix[MAX_OUTPUT_CHANNELS][MAX_AMBI_COEFFS];
ALfloat HFOrderGain[MAX_AMBI_ORDER+1];
ALfloat HFMatrix[MAX_OUTPUT_CHANNELS][MAX_AMBI_COEFFS];
} AmbDecConf;
void ambdec_init(AmbDecConf *conf);
void ambdec_deinit(AmbDecConf *conf);
int ambdec_load(AmbDecConf *conf, const char *fname);
#endif /* AMBDEC_H */
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