xtract_scalar.h

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/*
 * Copyright (C) 2012 Jamie Bullock
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 */

#ifndef XTRACT_SCALAR_H
#define XTRACT_SCALAR_H

#ifdef __cplusplus
extern "C" {
#endif

int xtract_mean(const double *data, const int N, const void *argv, double *result);

int xtract_variance(const double *data, const int N, const void *argv, double *result);

int xtract_standard_deviation(const double *data, const int N, const void *argv, double *result);

int xtract_average_deviation(const double *data, const int N, const void *argv, double *result);


int xtract_skewness(const double *data, const int N, const void *argv,  double *result);

int xtract_kurtosis(const double *data, const int N, const void *argv,  double *result);

int xtract_spectral_mean(const double *data, const int N, const void *argv, double *result);

int xtract_spectral_variance(const double *data, const int N, const void *argv, double *result);

int xtract_spectral_standard_deviation(const double *data, const int N, const void *argv, double *result);

/*
int xtract_spectral_average_deviation(const double *data, const int N, const void *argv, double *result);
*/

int xtract_spectral_skewness(const double *data, const int N, const void *argv,  double *result);

int xtract_spectral_kurtosis(const double *data, const int N, const void *argv,  double *result);

int xtract_spectral_centroid(const double *data, const int N, const void *argv,  double *result);

int xtract_irregularity_k(const double *data, const int N, const void *argv, double *result);

int xtract_irregularity_j(const double *data, const int N, const void *argv, double *result);

int xtract_tristimulus_1(const double *data, const int N, const void *argv, double *result);
int xtract_tristimulus_2(const double *data, const int N, const void *argv, double *result);
int xtract_tristimulus_3(const double *data, const int N, const void *argv, double *result);

int xtract_smoothness(const double *data, const int N, const void *argv, double *result);

int xtract_spread(const double *data, const int N, const void *argv, double *result);

/* Zero crossing rate */

int xtract_zcr(const double *data, const int N, const void *argv, double *result);

int xtract_rolloff(const double *data, const int N, const void *argv, double *result);

int xtract_loudness(const double *data, const int N, const void *argv, double *result);

int xtract_flatness(const double *data, const int N, const void *argv, double *result);

int xtract_flatness_db(const double *data, const int N, const void *argv, double *result);

int xtract_tonality(const double *data, const int N, const void *argv, double *result);

int xtract_noisiness(const double *data, const int N, const void *argv, double *result);

int xtract_rms_amplitude(const double *data, const int N, const void *argv, double *result);

int xtract_spectral_inharmonicity(const double *data, const int N, const void *argv, double *result);

int xtract_crest(const double *data, const int N, const void *argv, double *result);
    
int xtract_power(const double *data, const int N, const void *argv, double *result);
    
/* Odd to even harmonic ratio */
int xtract_odd_even_ratio(const double *data, const int N, const void *argv, double *result);

int xtract_sharpness(const double *data, const int N, const void *argv, double *result);

int xtract_spectral_slope(const double *data, const int N, const void *argv, double *result);

int xtract_lowest_value(const double *data, const int N, const void *argv, double *result);

int xtract_highest_value(const double *data, const int N, const void *argv, double *result);

int xtract_sum(const double *data, const int N, const void *argv, double *result);

int xtract_hps(const double *data, const int N, const void *argv, double *result);

int xtract_f0(const double *data, const int N, const void *argv, double *result);

int xtract_failsafe_f0(const double *data, const int N, const void *argv, double *result);

int xtract_wavelet_f0(const double *data, const int N, const void *argv, double *result);

    
int xtract_midicent(const double *data, const int N, const void *argv, double *result);

    
int xtract_nonzero_count(const double *data, const int N, const void *argv, double *result);

int xtract_peak(const double *data, const int N, const void *argv, double *result);

    
#ifdef __cplusplus
}
#endif

#endif