view src/delta.c @ 98:ca40a0dc29d6

Removed fftw_plan from xtraction functions. Created new init function xtract_init_fft() for creating plans, which have global scope. Updated examples to reflect the change. New configure option: --with-fft_optimisation (0 = FFTW_ESTIMATE, 1 = FFTW_MEASURE, 2 = FFTW_PATIENT).

/* libxtract feature extraction library
 *  
 * Copyright (C) 2006 Jamie Bullock
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
 * USA.
 */

/* xtract_delta.c: defines functions that extract a feature as a single value from more than one input vector */

#include "xtract/libxtract.h"

int xtract_flux(const float *data, const int N, const void *argv , float *result){

    return XTRACT_FEATURE_NOT_IMPLEMENTED;

}

int xtract_attack_time(const float *data, const int N, const void *argv , float *result){

    return XTRACT_FEATURE_NOT_IMPLEMENTED;

}

int xtract_decay_time(const float *data, const int N, const void *argv, float *result){

    return XTRACT_FEATURE_NOT_IMPLEMENTED;

}

int xtract_delta_feature(const float *data, const int N, const void *argv, float *result){

    return XTRACT_FEATURE_NOT_IMPLEMENTED;

}