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