jamie@50: /* libxtract feature extraction library
jamie@50:  *  
jamie@50:  * Copyright (C) 2006 Jamie Bullock
jamie@50:  *
jamie@50:  * This program is free software; you can redistribute it and/or modify
jamie@50:  * it under the terms of the GNU General Public License as published by
jamie@50:  * the Free Software Foundation; either version 2 of the License, or
jamie@50:  * (at your option) any later version.
jamie@50:  *
jamie@50:  * This program is distributed in the hope that it will be useful,
jamie@50:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jamie@50:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jamie@50:  * GNU General Public License for more details.
jamie@50:  *
jamie@50:  * You should have received a copy of the GNU General Public License
jamie@50:  * along with this program; if not, write to the Free Software
jamie@50:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
jamie@50:  * USA.
jamie@50:  */
jamie@50: 
jamie@50: #include "xtract/libxtract.h"
jamie@56: #include "xtract_macros_private.h"
jamie@50: #include <stdlib.h>
jamie@50: #include <string.h>
jamie@50: #define XTRACT
jamie@50: 
jamie@110: xtract_function_descriptor_t *xtract_make_descriptors(void){
jamie@52: 
jamie@50:     int f , F;
jamie@56:     char *name, *p_name, *desc, *p_desc, *author; 
jamie@55:     float *argv_min, *argv_max, *argv_def, *result_min, *result_max;
jamie@56:     int *argc, *year, *argv_donor;
jamie@56:     xtract_vector_t *data_format, *result_format; 
jamie@56:     xtract_unit_t *data_unit, *argv_unit, *result_unit;
jamie@108:     xtract_bool_t *is_scalar, *is_delta;
jamie@56:     xtract_function_descriptor_t *fd, *d;
jamie@56:     xtract_type_t *argv_type;
jamie@52: 
jamie@50:     f = F = XTRACT_FEATURES;
jamie@50: 
jamie@56:     fd = malloc(XTRACT_FEATURES * sizeof(xtract_function_descriptor_t));
jamie@50: 
jamie@55:     /* FIX - this file probably needs a rewrite for readability */
jamie@51: 
jamie@50:     while(f--){
jamie@51: 
jamie@108:         d = &fd[f];
jamie@110:         d->id = f;
jamie@108:         argc = &d->argc;
jamie@108:         argv_type = &d->argv.type;
jamie@51: 
jamie@108:         argv_min = &d->argv.min[0];
jamie@108:         argv_max = &d->argv.max[0];
jamie@108:         argv_def = &d->argv.def[0];
jamie@108:         argv_unit = &d->argv.unit[0];
jamie@55: 
jamie@108:         switch (f) {
jamie@108:             /* argc = 1 */
jamie@108:             case XTRACT_VARIANCE:
jamie@108:             case XTRACT_SPECTRAL_VARIANCE:
jamie@108:             case XTRACT_STANDARD_DEVIATION:
jamie@108:             case XTRACT_DIFFERENCE_VECTOR: 
jamie@108:             case XTRACT_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_STANDARD_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_LOWEST_VALUE:
jamie@108:             case XTRACT_TONALITY:
jamie@108:             case XTRACT_MFCC:
jamie@108:             case XTRACT_LPC:
jamie@108:             case XTRACT_LPCC:
jamie@108:                 *argv_min = XTRACT_ANY;
jamie@108:                 *argv_max = XTRACT_ANY;
jamie@108:                 *argv_def = XTRACT_ANY;
jamie@108:                 *argv_unit = XTRACT_ANY;
jamie@104:                 break;
jamie@108:             case XTRACT_SPECTRAL_INHARMONICITY:
jamie@108:                 *argv_min = 0.f;
jamie@108:                 *argv_max = XTRACT_SR_UPPER_LIMIT / 2;
jamie@108:                 *argv_def = XTRACT_FUNDAMENTAL_DEFAULT;
jamie@108:                 *argv_unit = XTRACT_HERTZ;
jamie@104:                 break;
jamie@108:             case XTRACT_F0:
jamie@108:             case XTRACT_FAILSAFE_F0:
jamie@108:                 *argv_min = XTRACT_SR_LOWER_LIMIT;
jamie@108:                 *argv_max = XTRACT_SR_UPPER_LIMIT;
jamie@108:                 *argv_def = XTRACT_SR_DEFAULT; 
jamie@108:                 *argv_unit = XTRACT_HERTZ;
jamie@104:                 break;
jamie@108:                 /* argc = 2 */;
jamie@108:             case XTRACT_ROLLOFF:
jamie@108:                 *argv_min  = XTRACT_FFT_BANDS_MIN;
jamie@108:                 *argv_max = XTRACT_FFT_BANDS_MAX;
jamie@108:                 *argv_def = XTRACT_SPEC_BW_DEF ;
jamie@108:                 *argv_unit = XTRACT_HERTZ;
jamie@108:                 *(argv_min + 1) = 0.f;
jamie@108:                 *(argv_max + 1) = 100.f;
jamie@108:                 *(argv_def + 1) = 95.f;
jamie@108:                 *(argv_unit + 1) = XTRACT_PERCENT;
jamie@104:                 break;
jamie@108:             case XTRACT_SPECTRUM:
jamie@108:                 *argv_min  = XTRACT_SR_LOWER_LIMIT / XTRACT_FFT_BANDS_MIN; 
jamie@108:                 *argv_max = XTRACT_SR_UPPER_LIMIT / XTRACT_FFT_BANDS_MAX;
jamie@108:                 *argv_def = XTRACT_SR_DEFAULT / XTRACT_FFT_BANDS_DEF;
jamie@108:                 *argv_unit = XTRACT_HERTZ;
jamie@108:                 *(argv_min + 1) = 0;
jamie@108:                 *(argv_max + 1) = 3 ;
jamie@108:                 *(argv_def + 1) = 0;
jamie@108:                 *(argv_unit + 1) = XTRACT_NONE;
jamie@105:                 *(argv_min + 2) = 0;
jamie@105:                 *(argv_max + 2) = 1;
jamie@105:                 *(argv_def + 2) = 0;
jamie@108:                 *(argv_unit + 2) = XTRACT_NONE;
jamie@105:                 *(argv_min + 3) = 0;
jamie@105:                 *(argv_max + 3) = 1;
jamie@105:                 *(argv_def + 3) = 0;
jamie@108:                 *(argv_unit + 3) = XTRACT_NONE;
jamie@104:                 break;
jamie@108:             case XTRACT_PEAK_SPECTRUM:
jamie@108:                 *argv_min  = XTRACT_SR_LOWER_LIMIT / 2; 
jamie@108:                 *argv_max = XTRACT_SR_UPPER_LIMIT / 2;
jamie@108:                 *argv_def = XTRACT_SR_DEFAULT / 2;
jamie@108:                 *argv_unit = XTRACT_HERTZ;
jamie@108:                 *(argv_min + 1) = 0.f;
jamie@108:                 *(argv_max + 1) = 100.f ;
jamie@108:                 *(argv_def + 1) = 10.f ;
jamie@108:                 *(argv_unit + 1) = XTRACT_PERCENT;
jamie@104:                 break;
jamie@108:             case XTRACT_HARMONIC_SPECTRUM:
jamie@108:                 *argv_min = 0.f;
jamie@108:                 *argv_max = XTRACT_SR_UPPER_LIMIT / 2;
jamie@108:                 *argv_def = XTRACT_FUNDAMENTAL_DEFAULT;
jamie@108:                 *argv_unit = XTRACT_HERTZ;
jamie@108:                 *(argv_min + 1) = 0.f;
jamie@108:                 *(argv_max + 1) = 1.f ;
jamie@108:                 *(argv_def + 1) = .1f ;
jamie@108:                 *(argv_unit + 1) = XTRACT_NONE;
jamie@104:                 break;
jamie@108:             case XTRACT_NOISINESS:
jamie@108:             case XTRACT_SKEWNESS:
jamie@108:             case XTRACT_KURTOSIS:
jamie@108:             case XTRACT_SPECTRAL_SKEWNESS:
jamie@108:             case XTRACT_SPECTRAL_KURTOSIS:
jamie@108:             case XTRACT_CREST:
jamie@108:                 *argv_min = XTRACT_NONE;
jamie@108:                 *argv_max = XTRACT_NONE;
jamie@108:                 *argv_def = XTRACT_NONE;
jamie@108:                 *argv_unit = XTRACT_NONE;
jamie@108:                 *(argv_min + 1) = XTRACT_NONE;
jamie@108:                 *(argv_max + 1) = XTRACT_NONE;
jamie@108:                 *(argv_def + 1) = XTRACT_NONE;
jamie@108:                 *(argv_unit + 1) = XTRACT_NONE;
jamie@104:                 break;
jamie@108:             case XTRACT_BARK_COEFFICIENTS:
jamie@108:                 /* BARK_COEFFICIENTS is special because argc = BARK_BANDS */
jamie@108:             case XTRACT_WINDOWED:
jamie@108:                 /* WINDOWED is special because argc = window size = N */
jamie@108:             default:
jamie@108:                 *argv_min = XTRACT_NONE;
jamie@108:                 *argv_max = XTRACT_NONE;
jamie@108:                 *argv_def = XTRACT_NONE;
jamie@108:                 *argv_unit = XTRACT_NONE;
jamie@104:                 break;
jamie@108:         }
jamie@55: 
jamie@108:         argv_donor = &d->argv.donor[0];
jamie@55: 
jamie@108:         switch (f) {
jamie@108:             /* argc = 1 */
jamie@108:             case XTRACT_VARIANCE:
jamie@108:                 *argv_donor = XTRACT_MEAN;
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_VARIANCE:
jamie@108:                 *argv_donor = XTRACT_SPECTRAL_MEAN;
jamie@108:                 break;
jamie@108:             case XTRACT_STANDARD_DEVIATION:
jamie@108:                 *argv_donor = XTRACT_VARIANCE;
jamie@108:                 break;
jamie@108:             case XTRACT_AVERAGE_DEVIATION:
jamie@108:                 *argv_donor = XTRACT_MEAN;
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_STANDARD_DEVIATION:
jamie@108:                 *argv_donor = XTRACT_SPECTRAL_VARIANCE;
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_AVERAGE_DEVIATION:
jamie@108:                 *argv_donor = XTRACT_SPECTRAL_MEAN;
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_INHARMONICITY:
jamie@108:                 *argv_donor = XTRACT_FAILSAFE_F0;
jamie@108:                 break;
jamie@108:             case XTRACT_TONALITY:
jamie@108:                 *argv_donor = XTRACT_FLATNESS;
jamie@108:                 break;
jamie@108:             case XTRACT_LOWEST_VALUE:
jamie@108:             case XTRACT_F0:
jamie@108:             case XTRACT_FAILSAFE_F0:
jamie@108:                 *argv_donor = XTRACT_ANY;
jamie@108:                 break;
jamie@108:             case XTRACT_MFCC:
jamie@108:                 *argv_donor = XTRACT_INIT_MFCC;
jamie@108:                 break;
jamie@108:                 /* argc = 2 */;
jamie@108:             case XTRACT_ROLLOFF:
jamie@108:             case XTRACT_PEAK_SPECTRUM:
jamie@106:             case XTRACT_FLUX:
jamie@106:             case XTRACT_LNORM:
jamie@108:                 *argv_donor = XTRACT_ANY;
jamie@108:                 *(argv_donor + 1) = XTRACT_ANY;
jamie@108:                 break;
jamie@108:             case XTRACT_SKEWNESS:
jamie@108:             case XTRACT_KURTOSIS:
jamie@108:                 *argv_donor = XTRACT_MEAN;
jamie@108:                 *(argv_donor + 1) = XTRACT_STANDARD_DEVIATION;
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_SKEWNESS:
jamie@108:             case XTRACT_SPECTRAL_KURTOSIS:
jamie@108:                 *argv_donor = XTRACT_SPECTRAL_MEAN;
jamie@108:                 *(argv_donor + 1) = XTRACT_SPECTRAL_STANDARD_DEVIATION;
jamie@108:                 break;
jamie@108:             case XTRACT_HARMONIC_SPECTRUM:
jamie@108:                 *argv_donor = XTRACT_FAILSAFE_F0;
jamie@108:                 *(argv_donor + 1) = XTRACT_ANY;
jamie@108:                 break;
jamie@108:             case XTRACT_NOISINESS:
jamie@108:                 *argv_donor = XTRACT_SUM;
jamie@108:                 *(argv_donor + 1) = XTRACT_SUM;
jamie@108:                 break;
jamie@108:             case XTRACT_CREST:
jamie@108:                 *argv_donor = XTRACT_HIGHEST_VALUE;
jamie@108:                 *(argv_donor + 1) = XTRACT_MEAN;
jamie@108:                 break;
jamie@108:                 /* argc = 4 */
jamie@108:             case XTRACT_SPECTRUM:
jamie@108:                 *argv_donor = XTRACT_ANY;
jamie@108:                 *(argv_donor + 1) = XTRACT_ANY;
jamie@108:                 *(argv_donor + 2) = XTRACT_ANY;
jamie@108:                 *(argv_donor + 3) = XTRACT_ANY;
jamie@108:                 break;
jamie@108:             /* BARK_BANDS */
jamie@108:             case XTRACT_BARK_COEFFICIENTS:
jamie@108:                 *argv_donor = XTRACT_INIT_BARK;
jamie@108:                 break;
jamie@108:             case XTRACT_WINDOWED:
jamie@108:                 *argv_donor = XTRACT_INIT_WINDOWED;
jamie@108:                 break;
jamie@108:             default:
jamie@108:                 *argv_donor = XTRACT_ANY;
jamie@108:                 break;
jamie@108:         }
jamie@51: 
jamie@54:         data_format = &d->data.format;
jamie@54: 
jamie@108:         switch(f){
jamie@54: 
jamie@108:             case XTRACT_MEAN: 
jamie@108:             case XTRACT_VARIANCE:
jamie@108:             case XTRACT_STANDARD_DEVIATION:
jamie@108:             case XTRACT_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_SKEWNESS:
jamie@108:             case XTRACT_KURTOSIS:
jamie@108:             case XTRACT_LOWEST_VALUE:
jamie@108:             case XTRACT_HIGHEST_VALUE:
jamie@108:             case XTRACT_SUM:
jamie@108:             case XTRACT_WINDOWED:
jamie@108:                 *data_format = XTRACT_ARBITRARY_SERIES;
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_MEAN:
jamie@108:             case XTRACT_SPECTRAL_VARIANCE:
jamie@108:             case XTRACT_SPECTRAL_STANDARD_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_SKEWNESS:
jamie@108:             case XTRACT_SPECTRAL_KURTOSIS:
jamie@108:             case XTRACT_SPECTRAL_CENTROID:
jamie@108:             case XTRACT_SPECTRAL_SLOPE:
jamie@108:                 *data_format = XTRACT_SPECTRAL;     
jamie@108:                 break;
jamie@108:             case XTRACT_ROLLOFF:
jamie@108:             case XTRACT_NOISINESS:
jamie@108:             case XTRACT_BARK_COEFFICIENTS:
jamie@108:             case XTRACT_CREST:
jamie@108:             case XTRACT_IRREGULARITY_K:
jamie@108:             case XTRACT_IRREGULARITY_J:
jamie@108:             case XTRACT_SMOOTHNESS:
jamie@108:             case XTRACT_FLATNESS:
jamie@108:             case XTRACT_SPREAD:
jamie@108:             case XTRACT_POWER:
jamie@108:             case XTRACT_HPS:
jamie@108:             case XTRACT_PEAK_SPECTRUM:
jamie@108:             case XTRACT_MFCC:
jamie@108:                 *data_format = XTRACT_SPECTRAL_MAGNITUDES;
jamie@108:                 break;
jamie@104:             case XTRACT_LPC:
jamie@104:                 *data_format = XTRACT_AUTOCORRELATION_COEFFS;
jamie@104:                 break;
jamie@104:             case XTRACT_LPCC:
jamie@104:                 *data_format = XTRACT_LPC_COEFFS;
jamie@104:                 break;
jamie@108:             case XTRACT_SPECTRAL_INHARMONICITY:
jamie@108:             case XTRACT_HARMONIC_SPECTRUM:
jamie@108:                 *data_format = XTRACT_SPECTRAL_PEAKS;
jamie@108:                 break;
jamie@108:             case XTRACT_NONZERO_COUNT:
jamie@108:                 *data_format = XTRACT_SPECTRAL_PEAKS_MAGNITUDES;
jamie@108:                 break;
jamie@108:             case XTRACT_F0:
jamie@108:             case XTRACT_FAILSAFE_F0:
jamie@108:             case XTRACT_SPECTRUM:
jamie@108:             case XTRACT_AUTOCORRELATION:
jamie@108:             case XTRACT_AUTOCORRELATION_FFT:
jamie@108:             case XTRACT_DCT:
jamie@108:             case XTRACT_AMDF:
jamie@108:             case XTRACT_ASDF:
jamie@108:             case XTRACT_ZCR:
jamie@108:             case XTRACT_RMS_AMPLITUDE:
jamie@108:             case XTRACT_FLUX: 
jamie@108:             case XTRACT_LNORM: 
jamie@108:                 *data_format = XTRACT_AUDIO_SAMPLES;
jamie@108:                 break;
jamie@108:             case XTRACT_TONALITY:
jamie@108:                 *data_format = XTRACT_NO_DATA;
jamie@108:                 break;
jamie@108:             case XTRACT_TRISTIMULUS_1:
jamie@108:             case XTRACT_TRISTIMULUS_2:
jamie@108:             case XTRACT_TRISTIMULUS_3:
jamie@108:             case XTRACT_ODD_EVEN_RATIO:
jamie@108:                 *data_format = XTRACT_SPECTRAL_HARMONICS_MAGNITUDES;
jamie@108:                 break;
jamie@108:             case XTRACT_LOUDNESS:
jamie@108:             case XTRACT_SHARPNESS:
jamie@108:                 *data_format = XTRACT_BARK_COEFFS;
jamie@108:                 break;
jamie@108:             case XTRACT_DIFFERENCE_VECTOR: 
jamie@108:                 *data_format = XTRACT_SUBFRAMES;
jamie@108:                 break;
jamie@108:             case XTRACT_ATTACK_TIME: 
jamie@108:             case XTRACT_DECAY_TIME: 
jamie@108:             default:
jamie@108:                 *data_format = XTRACT_NO_DATA;
jamie@108:                 break;
jamie@108:         }
jamie@54: 
jamie@55:         data_unit = &d->data.unit;
jamie@55: 
jamie@108:         switch(f){
jamie@55: 
jamie@108:             case XTRACT_MEAN: 
jamie@108:             case XTRACT_VARIANCE:
jamie@108:             case XTRACT_STANDARD_DEVIATION:
jamie@108:             case XTRACT_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_SKEWNESS:
jamie@108:             case XTRACT_KURTOSIS:
jamie@108:             case XTRACT_LOWEST_VALUE:
jamie@108:             case XTRACT_HIGHEST_VALUE:
jamie@108:             case XTRACT_SUM:
jamie@108:             case XTRACT_ZCR:
jamie@108:             case XTRACT_PEAK_SPECTRUM:
jamie@108:             case XTRACT_TRISTIMULUS_1:
jamie@108:             case XTRACT_TRISTIMULUS_2:
jamie@108:             case XTRACT_TRISTIMULUS_3:
jamie@108:             case XTRACT_DCT:
jamie@108:             case XTRACT_AMDF:
jamie@108:             case XTRACT_ASDF:
jamie@108:             case XTRACT_IRREGULARITY_K:
jamie@108:             case XTRACT_IRREGULARITY_J:
jamie@108:             case XTRACT_ATTACK_TIME: 
jamie@108:             case XTRACT_DECAY_TIME: 
jamie@108:             case XTRACT_DIFFERENCE_VECTOR: 
jamie@108:             case XTRACT_FLUX: 
jamie@108:             case XTRACT_LNORM: 
jamie@108:             case XTRACT_F0:
jamie@108:             case XTRACT_FAILSAFE_F0:
jamie@108:             case XTRACT_MFCC:
jamie@108:             case XTRACT_AUTOCORRELATION:
jamie@108:             case XTRACT_AUTOCORRELATION_FFT:
jamie@108:             case XTRACT_ROLLOFF:
jamie@108:             case XTRACT_NOISINESS:
jamie@108:             case XTRACT_CREST:
jamie@108:             case XTRACT_FLATNESS:
jamie@108:             case XTRACT_POWER:
jamie@108:             case XTRACT_BARK_COEFFICIENTS:
jamie@108:             case XTRACT_RMS_AMPLITUDE:
jamie@108:             case XTRACT_SMOOTHNESS:
jamie@108:             case XTRACT_SPREAD:
jamie@108:             case XTRACT_SHARPNESS:
jamie@108:             case XTRACT_HPS:
jamie@108:             case XTRACT_SPECTRUM:
jamie@108:             case XTRACT_TONALITY:
jamie@108:             case XTRACT_LOUDNESS:
jamie@108:             case XTRACT_NONZERO_COUNT:
jamie@104:             case XTRACT_LPC:
jamie@104:             case XTRACT_LPCC:
jamie@108:             case XTRACT_WINDOWED:
jamie@108:                 *data_unit = XTRACT_ANY;
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_MEAN:
jamie@108:             case XTRACT_SPECTRAL_VARIANCE:
jamie@108:             case XTRACT_SPECTRAL_STANDARD_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_SKEWNESS:
jamie@108:             case XTRACT_SPECTRAL_KURTOSIS:
jamie@108:             case XTRACT_SPECTRAL_CENTROID:
jamie@108:             case XTRACT_SPECTRAL_SLOPE:
jamie@108:             case XTRACT_HARMONIC_SPECTRUM:
jamie@108:             case XTRACT_SPECTRAL_INHARMONICITY:
jamie@108:                 *data_unit = XTRACT_ANY_AMPLITUDE_HERTZ;
jamie@108:                 break;
jamie@108:             case XTRACT_ODD_EVEN_RATIO:
jamie@108:                 *data_unit = XTRACT_HERTZ;
jamie@108:                 break;
jamie@108:         }
jamie@55: 
jamie@108:         name = d->algo.name;
jamie@108:         p_name = d->algo.p_name;
jamie@108:         desc = d->algo.desc;
jamie@108:         p_desc = d->algo.p_desc;
jamie@108:         author = d->algo.author;
jamie@108:         year = &d->algo.year;
jamie@51: 
jamie@108:         strcpy(author, "");
jamie@108:         *year = 0;
jamie@51: 
jamie@108:         switch(f){
jamie@108:             case XTRACT_MEAN: 
jamie@108:                 strcpy(name, "mean");
jamie@108:                 strcpy(p_name, "Mean");
jamie@108:                 strcpy(desc, "Extract the mean of an input vector");
jamie@108:                 strcpy(p_desc, "Extract the mean of a range of values");
jamie@108:                 strcpy(author, "");
jamie@108:                 d->argv.type = XTRACT_NONE;
jamie@108:                 break;
jamie@108:             case XTRACT_VARIANCE:
jamie@108:                 strcpy(name, "variance");
jamie@108:                 strcpy(p_name, "Variance");
jamie@108:                 strcpy(desc, "Extract the variance of an input vector");
jamie@108:                 strcpy(p_desc, "Extract the variance of a range of values");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_STANDARD_DEVIATION:
jamie@108:                 strcpy(name, "standard_deviation");
jamie@108:                 strcpy(p_name, "Standard Deviation");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the standard deviation of an input vector");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the standard deviation of a range of values");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_AVERAGE_DEVIATION:
jamie@108:                 strcpy(name, "average_deviation");
jamie@108:                 strcpy(p_name, "Average Deviation");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the average deviation of an input vector");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the average deviation of a range of values");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_SKEWNESS:
jamie@108:                 strcpy(name, "skewness");
jamie@108:                 strcpy(p_name, "Skewness");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the skewness of an input vector");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the skewness of a range of values");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_KURTOSIS:
jamie@108:                 strcpy(name, "kurtosis");
jamie@108:                 strcpy(p_name, "Kurtosis");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the kurtosis of an input vector");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the kurtosis of a range of values");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_MEAN: 
jamie@108:                 strcpy(name, "spectral_mean");
jamie@108:                 strcpy(p_name, "Spectral Mean");
jamie@108:                 strcpy(desc, "Extract the mean of an input spectrum");
jamie@108:                 strcpy(p_desc, "Extract the mean of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_VARIANCE:
jamie@108:                 strcpy(name, "spectral_variance");
jamie@108:                 strcpy(p_name, "Spectral Variance");
jamie@108:                 strcpy(desc, "Extract the variance of an input spectrum");
jamie@108:                 strcpy(p_desc, "Extract the variance of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_STANDARD_DEVIATION:
jamie@108:                 strcpy(name, "spectral_standard_deviation");
jamie@108:                 strcpy(p_name, "Spectral Standard Deviation");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the standard deviation of an input spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the standard deviation of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_AVERAGE_DEVIATION:
jamie@108:                 strcpy(name, "spectral_average_deviation");
jamie@108:                 strcpy(p_name, "Spectral Average Deviation");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the average deviation of an input spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the average deviation of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_ROLLOFF:
jamie@110:                 strcpy(name, "rolloff");
jamie@108:                 strcpy(p_name, "Spectral Rolloff");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the rolloff point of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the rolloff point of an audio spectrum");
jamie@108:                 strcpy(author, "Bee Suan Ong");
jamie@108:                 *year = 2005;
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_INHARMONICITY:
jamie@108:                 strcpy(name, "spectral_inharmonicity");
jamie@108:                 strcpy(p_name, "Inharmonicity");
jamie@108:                 strcpy(desc, "Extract the inharmonicity of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the inharmonicity of an audio spectrum");
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRUM:
jamie@108:                 strcpy(name, "spectrum");
jamie@108:                 strcpy(p_name, "Spectrum");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the spectrum of an input vector");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the spectrum of an audio signal");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_ODD_EVEN_RATIO:
jamie@108:                 strcpy(name, "odd_even_ratio");
jamie@113:                 strcpy(p_name, "Odd/even Harmonic Ratio");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the odd-to-even harmonic ratio of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the odd-to-even harmonic ratio of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_LOWEST_VALUE:
jamie@108:                 strcpy(name, "lowest_value");
jamie@108:                 strcpy(p_name, "Lowest Value");
jamie@108:                 strcpy(desc, "Extract the lowest value from an input vector");
jamie@108:                 strcpy(p_desc, "Extract the lowest value from a given range");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_F0:
jamie@108:                 strcpy(name, "f0");
jamie@108:                 strcpy(p_name, "Fundamental Frequency");
jamie@108:                 strcpy(desc, "Extract the fundamental frequency	of a signal");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the fundamental frequency of an audio signal");
jamie@108:                 strcpy(author, "Jamie Bullock");
jamie@108:                 break;
jamie@108:             case XTRACT_FAILSAFE_F0:
jamie@108:                 strcpy(name, "failsafe_f0");
jamie@108:                 strcpy(p_name, "Fundamental Frequency (failsafe)");
jamie@108:                 strcpy(desc, "Extract the fundamental frequency of a signal (failsafe)");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the fundamental frequency of an audio signal (failsafe)");
jamie@108:                 strcpy(author, "Jamie Bullock");
jamie@108:                 break;
jamie@108:             case XTRACT_TONALITY:
jamie@108:                 strcpy(name, "tonality");
jamie@108:                 strcpy(p_name, "Tonality");
jamie@108:                 strcpy(desc, "Extract the tonality of a spectrum");
jamie@108:                 strcpy(p_desc, "Extract the tonality an audio spectrum");
jamie@108:                 strcpy(author, "J. D. Johnston");
jamie@108:                 *year = 1988;
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_SKEWNESS:
jamie@108:                 strcpy(name, "spectral_skewness");
jamie@108:                 strcpy(p_name, "Spectral Skewness");
jamie@108:                 strcpy(desc, "Extract the skewness of an input spectrum");
jamie@108:                 strcpy(p_desc, "Extract the skewness of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_KURTOSIS:
jamie@108:                 strcpy(name, "spectral_kurtosis");
jamie@108:                 strcpy(p_name, "Spectral Kurtosis");
jamie@108:                 strcpy(desc, "Extract the kurtosis of an input spectrum");
jamie@108:                 strcpy(p_desc, "Extract the kurtosis of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_PEAK_SPECTRUM:
jamie@108:                 strcpy(name, "peak_spectrum");
jamie@108:                 strcpy(p_name, "Peak Spectrum");
jamie@108:                 strcpy(desc, "Extract the spectral peaks from of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the spectral peaks from an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_HARMONIC_SPECTRUM:
jamie@108:                 strcpy(name, "harmonic_spectrum");
jamie@108:                 strcpy(p_name, "Harmonic Spectrum");
jamie@108:                 strcpy(desc, "Extract the harmonics from a spectrum");
jamie@108:                 strcpy(p_desc, "Extract the harmonics from an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_NOISINESS:
jamie@108:                 strcpy(name, "noisiness");
jamie@108:                 strcpy(p_name, "Noisiness");
jamie@108:                 strcpy(desc, "Extract the noisiness of a spectrum");
jamie@108:                 strcpy(p_desc, "Extract the noisiness of an audio  spectrum");
jamie@108:                 strcpy(author, "Tae Hong Park");
jamie@108:                 *year = 2000;
jamie@108:                 break;
jamie@108:             case XTRACT_CREST:
jamie@108:                 strcpy(name, "crest");
jamie@108:                 strcpy(p_name, "Spectral Crest Measure");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the spectral crest measure of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the spectral crest measure of an audio spectrum");
jamie@108:                 strcpy(author, "Peeters");
jamie@108:                 *year = 2003;
jamie@108:                 break;
jamie@108:             case XTRACT_MFCC:
jamie@108:                 strcpy(name, "mfcc");
jamie@108:                 strcpy(p_name, "Mel-Frequency Cepstral Coefficients");
jamie@108:                 strcpy(desc, "Extract MFCC from a spectrum");
jamie@108:                 strcpy(p_desc, "Extract MFCC from an audio spectrum");
jamie@108:                 strcpy(author, "Rabiner");
jamie@104:                 break;
jamie@104:             case XTRACT_LPC:
jamie@108:                 strcpy(name, "lpc");
jamie@108:                 strcpy(p_name, "Linear predictive coding coefficients");
jamie@108:                 strcpy(desc, "Extract LPC from autocorrelation coefficients");
jamie@108:                 strcpy(p_desc, 
jamie@104:                         "Extract LPC from autocorrelation coefficients");
jamie@108:                 strcpy(author, 
jamie@104:                         "Rabiner and Juang as implemented by Jutta Degener");
jamie@104:                 *year = 1994;
jamie@104:                 break;
jamie@104:             case XTRACT_LPCC:
jamie@108:                 strcpy(name, "lpcc");
jamie@108:                 strcpy(p_name, "Linear predictive coding cepstral coefficients");
jamie@108:                 strcpy(desc, "Extract LPC cepstrum from LPC coefficients");
jamie@108:                 strcpy(p_desc, 
jamie@104:                         "Extract LPC cepstrum from LPC coefficients");
jamie@108:                 strcpy(author, "Rabiner and Juang");
jamie@104:                 *year = 1993;
jamie@108:                 break;
jamie@108:             case XTRACT_BARK_COEFFICIENTS:
jamie@108:                 strcpy(name, "bark_coefficients");
jamie@108:                 strcpy(p_name, "Bark Coefficients");
jamie@108:                 strcpy(desc, "Extract bark coefficients from a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract bark coefficients from an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_CENTROID:
jamie@108:                 strcpy(name, "spectral_centroid");
jamie@108:                 strcpy(p_name, "Spectral Centroid");
jamie@108:                 strcpy(desc, "Extract the spectral centroid of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the spectral centroid of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_IRREGULARITY_K:
jamie@108:                 strcpy(name, "irregularity_k");
jamie@108:                 strcpy(p_name, "Irregularity I");
jamie@108:                 strcpy(desc, "Extract the irregularity (type I) of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the irregularity (type I) of an audio spectrum");
jamie@108:                 strcpy(author, "Krimphoff");
jamie@108:                 *year = 1994;
jamie@108:                 break;
jamie@108:             case XTRACT_IRREGULARITY_J:
jamie@108:                 strcpy(name, "irregularity_j");
jamie@108:                 strcpy(p_name, "Irregularity II");
jamie@108:                 strcpy(desc, "Extract the irregularity (type II) of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the irregularity (type II) of an audio spectrum");
jamie@108:                 strcpy(author, "Jensen");
jamie@108:                 *year = 1999;
jamie@108:                 break;
jamie@108:             case XTRACT_TRISTIMULUS_1:
jamie@108:                 strcpy(name, "tristimulus_1");
jamie@108:                 strcpy(p_name, "Tristimulus I");
jamie@108:                 strcpy(desc, "Extract the tristimulus (type I) of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the tristimulus (type I) of an audio spectrum");
jamie@108:                 strcpy(author, "Pollard and Jansson");
jamie@108:                 *year = 1982;
jamie@108:                 break;
jamie@108:             case XTRACT_TRISTIMULUS_2:
jamie@108:                 strcpy(name, "tristimulus_2");
jamie@108:                 strcpy(p_name, "Tristimulus II");
jamie@108:                 strcpy(desc, "Extract the tristimulus (type II) of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the tristimulus (type II) of an audio spectrum");
jamie@108:                 strcpy(author, "Pollard and Jansson");
jamie@108:                 *year = 1982;
jamie@108:                 break;
jamie@108:             case XTRACT_TRISTIMULUS_3:
jamie@108:                 strcpy(name, "tristimulus_3");
jamie@108:                 strcpy(p_name, "Tristimulus III");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the tristimulus (type III) of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the tristimulus (type III) of an audio spectrum");
jamie@108:                 strcpy(author, "Pollard and Jansson");
jamie@108:                 *year = 1982;
jamie@108:                 break;
jamie@108:             case XTRACT_SMOOTHNESS:
jamie@108:                 strcpy(name, "smoothness");
jamie@108:                 strcpy(p_name, "Spectral Smoothness");
jamie@108:                 strcpy(desc, "Extract the spectral smoothness of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the spectral smoothness of an audio spectrum");
jamie@108:                 strcpy(author, "McAdams");
jamie@108:                 *year = 1999;
jamie@108:                 break;
jamie@108:             case XTRACT_FLATNESS:
jamie@108:                 strcpy(name, "flatness");
jamie@108:                 strcpy(p_name, "Spectral Flatness");
jamie@108:                 strcpy(desc, "Extract the spectral flatness of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the spectral flatness of an audio spectrum");
jamie@108:                 strcpy(author, "Tristan Jehan");
jamie@108:                 *year = 2005;
jamie@108:                 break;
jamie@108:             case XTRACT_SPREAD:
jamie@108:                 strcpy(name, "spread");
jamie@108:                 strcpy(p_name, "Spectral Spread");
jamie@108:                 strcpy(desc, "Extract the spectral spread of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the spectral spread of an audio spectrum");
jamie@108:                 strcpy(author, "Norman Casagrande");
jamie@108:                 *year = 2005;
jamie@108:                 break;
jamie@108:             case XTRACT_ZCR:
jamie@108:                 strcpy(name, "zcr");
jamie@108:                 strcpy(p_name, "Zero Crossing Rate");
jamie@108:                 strcpy(desc, "Extract the zero crossing rate of a vector");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the zero crossing rate of an audio signal");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_LOUDNESS:
jamie@108:                 strcpy(name, "loudness");
jamie@108:                 strcpy(p_name, "Loudness");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the loudness of a signal from its spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the loudness of an audio signal from its spectrum");
jamie@108:                 strcpy(author, "Moore, Glasberg et al");
jamie@108:                 *year = 2005;
jamie@108:                 break;
jamie@108:             case XTRACT_HIGHEST_VALUE:
jamie@108:                 strcpy(name, "highest_value");
jamie@108:                 strcpy(p_name, "Highest Value");
jamie@108:                 strcpy(desc, "Extract the highest value from an input vector");
jamie@108:                 strcpy(p_desc, "Extract the highest value from a given range");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_SUM:
jamie@108:                 strcpy(name, "sum");
jamie@108:                 strcpy(p_name, "Sum of Values");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the sum of the values in an input vector");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the sum of the values in a given range");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_RMS_AMPLITUDE:
jamie@108:                 strcpy(name, "rms_amplitude");
jamie@108:                 strcpy(p_name, "RMS Amplitude");
jamie@108:                 strcpy(desc, "Extract the RMS amplitude of a signal");
jamie@108:                 strcpy(p_desc, "Extract the RMS amplitude of an audio signal");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_POWER:
jamie@108:                 strcpy(name, "power");
jamie@108:                 strcpy(p_name, "Spectral Power");
jamie@108:                 strcpy(desc, "Extract the spectral power of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the spectral power of an audio spectrum");
jamie@108:                 strcpy(author, "Bee Suan Ong");
jamie@108:                 *year = 2005;
jamie@108:                 break;
jamie@108:             case XTRACT_SHARPNESS:
jamie@108:                 strcpy(name, "sharpness");
jamie@108:                 strcpy(p_name, "Spectral Sharpness");
jamie@108:                 strcpy(desc, "Extract the spectral sharpness of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the spectral sharpness of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRAL_SLOPE:
jamie@108:                 strcpy(name, "spectral_slope");
jamie@108:                 strcpy(p_name, "Spectral Slope");
jamie@108:                 strcpy(desc, "Extract the spectral slope of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the spectral slope of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_HPS:
jamie@108:                 strcpy(name, "hps");
jamie@108:                 strcpy(p_name, "Harmonic Product Spectrum");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the harmonic product spectrum of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the harmonic product spectrum of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_FLUX: 
jamie@108:                 strcpy(name, "flux");
jamie@108:                 strcpy(p_name, "Spectral Flux");
jamie@108:                 strcpy(desc, "Extract the spectral flux of a spectrum");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the spectral flux of an audio spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@106:             case XTRACT_LNORM: 
jamie@108:                 strcpy(name, "lnorm");
jamie@108:                 strcpy(p_name, "L-norm");
jamie@108:                 strcpy(desc, "Extract the L-norm of a vector");
jamie@108:                 strcpy(p_desc, "Extract the L-norm of a vector");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_ATTACK_TIME: 
jamie@108:                 strcpy(name, "attack_time");
jamie@108:                 strcpy(p_name, "Attack Time");
jamie@108:                 strcpy(desc, "Extract the attack time of a signal");
jamie@108:                 strcpy(p_desc, "Extract the attack time of an audio signal");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_DECAY_TIME: 
jamie@108:                 strcpy(name, "decay_time");
jamie@108:                 strcpy(p_name, "Decay Time");
jamie@108:                 strcpy(desc, "Extract the decay time of a signal");
jamie@108:                 strcpy(p_desc, "Extract the decay time of an audio signal");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_DIFFERENCE_VECTOR: 
jamie@108:                 strcpy(name, "difference_vector");
jamie@108:                 strcpy(p_name, "Difference vector");
jamie@108:                 strcpy(desc, "Extract the difference between two vectors");
jamie@108:                 strcpy(p_desc, "Extract the difference between two vectors");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_AUTOCORRELATION_FFT:
jamie@108:                 strcpy(name, "autocorrelation_fft");
jamie@108:                 strcpy(p_name, "Autocorrelation (FFT method)");
jamie@108:                 strcpy(desc, "Extract the autocorrelation of a signal (fft method)");
jamie@108:                 strcpy(p_desc, "Extract the autocorrelation of an audio signal (fft method)");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_DCT:
jamie@108:                 strcpy(name, "dct");
jamie@108:                 strcpy(p_name, "Discrete Cosine Transform");
jamie@108:                 strcpy(desc, "Extract the DCT of a signal");
jamie@108:                 strcpy(p_desc, "Extract the DCT of an audio signal");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_AUTOCORRELATION:
jamie@108:                 strcpy(name, "autocorrelation");
jamie@108:                 strcpy(p_name, "Autocorrelation");
jamie@108:                 strcpy(desc, "Extract the autocorrelation of a signal");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the autocorrelation of an audio signal");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_AMDF:
jamie@108:                 strcpy(name, "amdf");
jamie@108:                 strcpy(p_name, "Average Magnitude Difference Function");
jamie@108:                 strcpy(desc, "Extract the AMDF of a signal");
jamie@108:                 strcpy(p_desc, "Extract the AMDF of an audio signal");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_ASDF:
jamie@108:                 strcpy(name, "asdf");
jamie@108:                 strcpy(p_name, "Average Squared Difference Function");
jamie@108:                 strcpy(desc, "Extract the ASDF of a signal");
jamie@108:                 strcpy(p_desc, "Extract the ASDF of an audio signal");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_NONZERO_COUNT:
jamie@108:                 strcpy(name, "nonzero_count");
jamie@108:                 strcpy(p_name, "Non-zero count");
jamie@108:                 strcpy(desc, 
jamie@108:                         "Extract the number of non-zero elements in the input vector");
jamie@108:                 strcpy(p_desc, 
jamie@108:                         "Extract the number of non-zero elements in an input spectrum");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             case XTRACT_WINDOWED:
jamie@108:                 strcpy(name, "windowed");
jamie@108:                 strcpy(p_name, "Windowed frame");
jamie@108:                 strcpy(desc, "Apply a window function to a frame of data");
jamie@108:                 strcpy(p_desc, "Apply a window function to a frame of data");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:             default:
jamie@108:                 strcpy(name, "");
jamie@108:                 strcpy(p_name, "");
jamie@108:                 strcpy(desc, "");
jamie@108:                 strcpy(p_desc, "");
jamie@108:                 strcpy(author, "");
jamie@108:                 break;
jamie@108:         }
jamie@55: 
jamie@108:         switch(f){
jamie@55: 
jamie@108:             case XTRACT_VARIANCE:
jamie@108:             case XTRACT_STANDARD_DEVIATION:
jamie@108:             case XTRACT_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_VARIANCE:
jamie@108:             case XTRACT_SPECTRAL_STANDARD_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_INHARMONICITY:
jamie@108:             case XTRACT_LOWEST_VALUE:
jamie@108:             case XTRACT_F0:
jamie@108:             case XTRACT_FAILSAFE_F0:
jamie@108:             case XTRACT_TONALITY:
jamie@108:                 *argc = 1;
jamie@108:                 *argv_type = XTRACT_FLOAT;
jamie@108:                 break;
jamie@108:             case XTRACT_SKEWNESS:
jamie@108:             case XTRACT_KURTOSIS:
jamie@108:             case XTRACT_SPECTRAL_SKEWNESS:
jamie@108:             case XTRACT_SPECTRAL_KURTOSIS:
jamie@108:             case XTRACT_PEAK_SPECTRUM:
jamie@108:             case XTRACT_HARMONIC_SPECTRUM:
jamie@108:             case XTRACT_NOISINESS:
jamie@108:             case XTRACT_CREST:
jamie@108:             case XTRACT_ROLLOFF:
jamie@108:             case XTRACT_FLUX: 
jamie@108:             case XTRACT_LNORM: 
jamie@108:                 *argc = 2;
jamie@108:                 *argv_type = XTRACT_FLOAT;
jamie@108:                 break;
jamie@108:             case XTRACT_SPECTRUM:
jamie@108:                 *argc = 4;
jamie@108:                 *argv_type = XTRACT_FLOAT;
jamie@108:                 break;
jamie@108:             case XTRACT_MFCC:
jamie@108:                 *argc = 1;
jamie@108:                 *argv_type = XTRACT_MEL_FILTER;
jamie@108:                 break;
jamie@104:             case XTRACT_LPCC:
jamie@104:                 *argc = 1;
jamie@104:                 *argv_type = XTRACT_INT;
jamie@104:                 break;
jamie@108:             case XTRACT_BARK_COEFFICIENTS:
jamie@108:                 *argc = XTRACT_BARK_BANDS;
jamie@108:                 *argv_type = XTRACT_INT;
jamie@108:                 break;
jamie@108:             case XTRACT_WINDOWED:
jamie@108:                 *argc = XTRACT_WINDOW_SIZE;
jamie@108:                 *argv_type = XTRACT_FLOAT;
jamie@108:                 break;
jamie@108:             case XTRACT_MEAN:
jamie@108:             case XTRACT_SPECTRAL_MEAN:
jamie@108:             case XTRACT_SPECTRAL_CENTROID:
jamie@108:             case XTRACT_IRREGULARITY_K:
jamie@108:             case XTRACT_IRREGULARITY_J:
jamie@108:             case XTRACT_TRISTIMULUS_1:
jamie@108:             case XTRACT_TRISTIMULUS_2:
jamie@108:             case XTRACT_TRISTIMULUS_3:
jamie@108:             case XTRACT_SMOOTHNESS:
jamie@108:             case XTRACT_FLATNESS:
jamie@108:             case XTRACT_SPREAD:
jamie@108:             case XTRACT_ZCR:
jamie@108:             case XTRACT_LOUDNESS:
jamie@108:             case XTRACT_HIGHEST_VALUE:
jamie@108:             case XTRACT_SUM:
jamie@108:             case XTRACT_RMS_AMPLITUDE:
jamie@108:             case XTRACT_POWER:
jamie@108:             case XTRACT_SHARPNESS:
jamie@108:             case XTRACT_SPECTRAL_SLOPE:
jamie@108:             case XTRACT_HPS:
jamie@108:             case XTRACT_ATTACK_TIME: 
jamie@108:             case XTRACT_DECAY_TIME: 
jamie@108:             case XTRACT_DIFFERENCE_VECTOR: 
jamie@108:             case XTRACT_AUTOCORRELATION_FFT:
jamie@108:             case XTRACT_DCT:
jamie@108:             case XTRACT_AUTOCORRELATION:
jamie@108:             case XTRACT_AMDF:
jamie@108:             case XTRACT_ASDF:
jamie@108:             case XTRACT_NONZERO_COUNT:
jamie@108:             case XTRACT_ODD_EVEN_RATIO:
jamie@104:             case XTRACT_LPC:
jamie@108:             default:
jamie@108:                 *argc = 0;
jamie@108:                 break;
jamie@108:         }
jamie@55: 
jamie@108:         is_scalar = &d->is_scalar;
jamie@108: 
jamie@108:         switch(f){
jamie@108:             case XTRACT_MEAN:
jamie@108:             case XTRACT_VARIANCE:
jamie@108:             case XTRACT_STANDARD_DEVIATION:
jamie@108:             case XTRACT_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_SKEWNESS:
jamie@108:             case XTRACT_KURTOSIS:
jamie@108:             case XTRACT_SPECTRAL_MEAN:
jamie@108:             case XTRACT_SPECTRAL_VARIANCE:
jamie@108:             case XTRACT_SPECTRAL_STANDARD_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_SKEWNESS:
jamie@108:             case XTRACT_SPECTRAL_KURTOSIS:
jamie@108:             case XTRACT_SPECTRAL_CENTROID:
jamie@108:             case XTRACT_IRREGULARITY_K:
jamie@108:             case XTRACT_IRREGULARITY_J:
jamie@108:             case XTRACT_TRISTIMULUS_1:
jamie@108:             case XTRACT_TRISTIMULUS_2:
jamie@108:             case XTRACT_TRISTIMULUS_3:
jamie@108:             case XTRACT_SMOOTHNESS:
jamie@108:             case XTRACT_SPREAD:
jamie@108:             case XTRACT_ZCR:
jamie@108:             case XTRACT_ROLLOFF:
jamie@108:             case XTRACT_LOUDNESS:
jamie@108:             case XTRACT_FLATNESS:
jamie@108:             case XTRACT_TONALITY:
jamie@108:             case XTRACT_CREST:
jamie@108:             case XTRACT_NOISINESS:
jamie@108:             case XTRACT_RMS_AMPLITUDE:
jamie@108:             case XTRACT_SPECTRAL_INHARMONICITY:
jamie@108:             case XTRACT_POWER:
jamie@108:             case XTRACT_ODD_EVEN_RATIO:
jamie@108:             case XTRACT_SHARPNESS:
jamie@108:             case XTRACT_SPECTRAL_SLOPE:
jamie@108:             case XTRACT_LOWEST_VALUE:
jamie@108:             case XTRACT_HIGHEST_VALUE:
jamie@108:             case XTRACT_SUM:
jamie@108:             case XTRACT_HPS:
jamie@108:             case XTRACT_F0:
jamie@108:             case XTRACT_FAILSAFE_F0:
jamie@106:             case XTRACT_FLUX:
jamie@106:             case XTRACT_LNORM:
jamie@108:             case XTRACT_NONZERO_COUNT:
jamie@108:                 *is_scalar = XTRACT_TRUE;
jamie@108:                 break;
jamie@108:             case XTRACT_AUTOCORRELATION:
jamie@108:             case XTRACT_AMDF:
jamie@108:             case XTRACT_ASDF:
jamie@108:             case XTRACT_BARK_COEFFICIENTS:
jamie@108:             case XTRACT_PEAK_SPECTRUM:
jamie@108:             case XTRACT_SPECTRUM:
jamie@108:             case XTRACT_AUTOCORRELATION_FFT:
jamie@108:             case XTRACT_MFCC:
jamie@108:             case XTRACT_LPC:
jamie@108:             case XTRACT_LPCC:
jamie@108:             case XTRACT_DCT:
jamie@108:             case XTRACT_HARMONIC_SPECTRUM:
jamie@108:             case XTRACT_DIFFERENCE_VECTOR: 
jamie@108:             case XTRACT_WINDOWED:
jamie@108:                 *is_scalar = XTRACT_FALSE;
jamie@108:                 break;
jamie@108:             default:
jamie@108:                 *is_scalar = XTRACT_TRUE;
jamie@108:                 break;
jamie@55: 
jamie@108:         }
jamie@55: 
jamie@108:         is_delta = &d->is_delta;
jamie@55: 
jamie@108:         switch(f){
jamie@108:             case XTRACT_FLUX:
jamie@108:             case XTRACT_LNORM:
jamie@108:             case XTRACT_DIFFERENCE_VECTOR:
jamie@108:                 *is_delta = XTRACT_TRUE;
jamie@108:                 break;
jamie@108:             case XTRACT_MEAN:
jamie@108:             case XTRACT_VARIANCE:
jamie@108:             case XTRACT_STANDARD_DEVIATION:
jamie@108:             case XTRACT_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_SKEWNESS:
jamie@108:             case XTRACT_KURTOSIS:
jamie@108:             case XTRACT_SPECTRAL_MEAN:
jamie@108:             case XTRACT_SPECTRAL_VARIANCE:
jamie@108:             case XTRACT_SPECTRAL_STANDARD_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_AVERAGE_DEVIATION:
jamie@108:             case XTRACT_SPECTRAL_SKEWNESS:
jamie@108:             case XTRACT_SPECTRAL_KURTOSIS:
jamie@108:             case XTRACT_SPECTRAL_CENTROID:
jamie@108:             case XTRACT_IRREGULARITY_K:
jamie@108:             case XTRACT_IRREGULARITY_J:
jamie@108:             case XTRACT_TRISTIMULUS_1:
jamie@108:             case XTRACT_TRISTIMULUS_2:
jamie@108:             case XTRACT_TRISTIMULUS_3:
jamie@108:             case XTRACT_SMOOTHNESS:
jamie@108:             case XTRACT_SPREAD:
jamie@108:             case XTRACT_ZCR:
jamie@108:             case XTRACT_ROLLOFF:
jamie@108:             case XTRACT_LOUDNESS:
jamie@108:             case XTRACT_FLATNESS:
jamie@108:             case XTRACT_TONALITY:
jamie@108:             case XTRACT_CREST:
jamie@108:             case XTRACT_NOISINESS:
jamie@108:             case XTRACT_RMS_AMPLITUDE:
jamie@108:             case XTRACT_SPECTRAL_INHARMONICITY:
jamie@108:             case XTRACT_POWER:
jamie@108:             case XTRACT_ODD_EVEN_RATIO:
jamie@108:             case XTRACT_SHARPNESS:
jamie@108:             case XTRACT_SPECTRAL_SLOPE:
jamie@108:             case XTRACT_LOWEST_VALUE:
jamie@108:             case XTRACT_HIGHEST_VALUE:
jamie@108:             case XTRACT_SUM:
jamie@108:             case XTRACT_HPS:
jamie@108:             case XTRACT_F0:
jamie@108:             case XTRACT_FAILSAFE_F0:
jamie@108:             case XTRACT_NONZERO_COUNT:
jamie@108:             case XTRACT_AUTOCORRELATION:
jamie@108:             case XTRACT_AMDF:
jamie@108:             case XTRACT_ASDF:
jamie@108:             case XTRACT_BARK_COEFFICIENTS:
jamie@108:             case XTRACT_PEAK_SPECTRUM:
jamie@108:             case XTRACT_SPECTRUM:
jamie@108:             case XTRACT_AUTOCORRELATION_FFT:
jamie@108:             case XTRACT_MFCC:
jamie@108:             case XTRACT_LPC:
jamie@108:             case XTRACT_LPCC:
jamie@108:             case XTRACT_DCT:
jamie@108:             case XTRACT_HARMONIC_SPECTRUM:
jamie@108:             case XTRACT_WINDOWED:
jamie@108:             default:
jamie@108:                 *is_delta = XTRACT_FALSE;
jamie@108:                 break;
jamie@108:         }
jamie@55: 
jamie@108:         if(*is_scalar){
jamie@108: 
jamie@108:             result_unit = &d->result.scalar.unit;
jamie@108:             result_min = &d->result.scalar.min;
jamie@108:             result_max = &d->result.scalar.max;
jamie@108: 
jamie@108:             switch(f){
jamie@108:                 case XTRACT_MEAN:
jamie@108:                 case XTRACT_VARIANCE:
jamie@108:                 case XTRACT_STANDARD_DEVIATION:
jamie@108:                 case XTRACT_AVERAGE_DEVIATION:
jamie@108:                 case XTRACT_SKEWNESS:
jamie@108:                 case XTRACT_KURTOSIS:
jamie@108:                 case XTRACT_RMS_AMPLITUDE:
jamie@108:                 case XTRACT_LOWEST_VALUE:
jamie@108:                 case XTRACT_HIGHEST_VALUE:
jamie@108:                 case XTRACT_SUM:
jamie@106:                 case XTRACT_FLUX:
jamie@106:                 case XTRACT_LNORM:
jamie@108:                 case XTRACT_NONZERO_COUNT: 
jamie@108:                 case XTRACT_WINDOWED:
jamie@108:                     *result_unit = XTRACT_ANY;
jamie@108:                     *result_min = XTRACT_ANY;
jamie@108:                     *result_max = XTRACT_ANY;
jamie@104:                     break;
jamie@108:                 case XTRACT_SPECTRAL_SKEWNESS:
jamie@108:                 case XTRACT_SPECTRAL_KURTOSIS:
jamie@108:                 case XTRACT_IRREGULARITY_K:
jamie@108:                 case XTRACT_IRREGULARITY_J:
jamie@108:                 case XTRACT_TRISTIMULUS_1:
jamie@108:                 case XTRACT_TRISTIMULUS_2:
jamie@108:                 case XTRACT_TRISTIMULUS_3:
jamie@108:                 case XTRACT_NOISINESS:
jamie@108:                 case XTRACT_SMOOTHNESS:
jamie@108:                     *result_unit = XTRACT_NONE;
jamie@108:                     *result_min = XTRACT_ANY; /* FIX: need to check these */
jamie@108:                     *result_max = XTRACT_ANY;
jamie@104:                     break;
jamie@108:                 case XTRACT_SPECTRAL_MEAN:
jamie@108:                 case XTRACT_SPECTRAL_VARIANCE:
jamie@108:                 case XTRACT_SPECTRAL_STANDARD_DEVIATION:
jamie@108:                 case XTRACT_SPECTRAL_AVERAGE_DEVIATION:
jamie@108:                 case XTRACT_SPECTRAL_CENTROID:
jamie@108:                 case XTRACT_SPREAD:
jamie@108:                 case XTRACT_F0:
jamie@108:                 case XTRACT_FAILSAFE_F0:
jamie@108:                 case XTRACT_HPS:
jamie@108:                 case XTRACT_ROLLOFF:
jamie@108:                     *result_unit = XTRACT_HERTZ;
jamie@108:                     *result_min = 0.f;
jamie@108:                     *result_max = XTRACT_SR_UPPER_LIMIT / 2;
jamie@104:                     break;
jamie@108:                 case XTRACT_ZCR:
jamie@108:                     *result_unit = XTRACT_HERTZ;
jamie@108:                     *result_min = 0.f;
jamie@108:                     *result_max = XTRACT_ANY;
jamie@108:                     break;
jamie@108:                 case XTRACT_ODD_EVEN_RATIO:
jamie@108:                     *result_unit = XTRACT_NONE;
jamie@108:                     *result_min = 0.f;
jamie@108:                     *result_max = 1.f; 
jamie@108:                     break;
jamie@108:                 case XTRACT_LOUDNESS:
jamie@108:                 case XTRACT_FLATNESS:
jamie@108:                 case XTRACT_TONALITY:
jamie@108:                 case XTRACT_CREST:
jamie@108:                 case XTRACT_SPECTRAL_INHARMONICITY:
jamie@108:                 case XTRACT_POWER:
jamie@108:                 case XTRACT_SHARPNESS:
jamie@108:                 case XTRACT_SPECTRAL_SLOPE:
jamie@104:                 case XTRACT_LPC:
jamie@104:                 case XTRACT_LPCC:
jamie@108:                 default:
jamie@108:                     *result_unit = XTRACT_UNKNOWN;
jamie@108:                     *result_min = XTRACT_UNKNOWN;
jamie@108:                     *result_max = XTRACT_UNKNOWN; 
jamie@104:                     break;
jamie@108:             }
jamie@108:         }
jamie@108:         else {
jamie@55: 
jamie@108:             result_min = NULL;
jamie@108:             result_max = NULL;
jamie@108:             result_unit = &d->result.vector.unit;
jamie@108:             result_format = &d->result.vector.format;
jamie@55: 
jamie@108:             switch(f) {
jamie@108:                 case XTRACT_AUTOCORRELATION:
jamie@108:                 case XTRACT_AMDF:
jamie@108:                 case XTRACT_ASDF:
jamie@108:                 case XTRACT_DCT:
jamie@108:                 case XTRACT_WINDOWED:
jamie@108:                     *result_format = XTRACT_ARBITRARY_SERIES;
jamie@108:                     *result_unit = XTRACT_ANY;
jamie@104:                     break;
jamie@108:                 case XTRACT_BARK_COEFFICIENTS:
jamie@108:                     *result_format = XTRACT_BARK_COEFFS;
jamie@108:                     *result_unit = XTRACT_UNKNOWN; /* FIX: check */
jamie@104:                     break;
jamie@108:                 case XTRACT_PEAK_SPECTRUM:
jamie@108:                 case XTRACT_SPECTRUM:
jamie@108:                 case XTRACT_HARMONIC_SPECTRUM:
jamie@108:                     *result_format = XTRACT_SPECTRAL;
jamie@108:                     *result_unit = XTRACT_ANY_AMPLITUDE_HERTZ;
jamie@104:                     break;
jamie@108:                 case XTRACT_AUTOCORRELATION_FFT:
jamie@104:                     break;
jamie@108:                 case XTRACT_MFCC:
jamie@108:                     *result_format = XTRACT_MEL_COEFFS;
jamie@108:                     *result_unit = XTRACT_UNKNOWN; /* FIX: check */
jamie@104:                     break;
jamie@104:                 case XTRACT_LPC:
jamie@104:                     *result_format = XTRACT_LPC_COEFFS;
jamie@104:                     *result_unit = XTRACT_UNKNOWN;
jamie@104:                     break;
jamie@104:                 case XTRACT_LPCC:
jamie@104:                     *result_format = XTRACT_LPCC_COEFFS;
jamie@104:                     *result_unit = XTRACT_UNKNOWN;
jamie@104:                     break;
jamie@108:                 default:
jamie@108:                     break;
jamie@108:             }
jamie@108:         }
jamie@50:     }
jamie@50: 
jamie@50:     return fd;
jamie@50: }
jamie@50: 
jamie@110: int xtract_free_descriptors(xtract_function_descriptor_t *fd){
jamie@50: 
jamie@50:     if (fd != NULL) {
jamie@108:         free(fd);
jamie@50:     }
jamie@50: 
jamie@56:     return XTRACT_SUCCESS;
jamie@50: }
jamie@50: 
jamie@50: 
jamie@50: 
jamie@50: 
jamie@50: