/*
libspecbleach - A spectral processing library

Copyright 2022 Luciano Dato <lucianodato@gmail.com>

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef POSTFILTER_H
#define POSTFILTER_H

#include <stdbool.h>
#include <stdint.h>

typedef struct PostFilter PostFilter;

typedef struct PostFiltersParameters {
  float snr_threshold;
  float gain_floor;
} PostFiltersParameters;

PostFilter* postfilter_initialize(uint32_t fft_size);
void postfilter_free(PostFilter* self);
bool postfilter_apply(PostFilter* self, const float* spectrum,
                      float* gain_spectrum, PostFiltersParameters parameters);

#endif
