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Program Listing for File signal.h

↰ Return to documentation for file (fastft/include/signal.h)

#ifndef SIGNAL_H
#define SIGNAL_H

#include <fftw3.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sndfile.h>
#include <math.h>

typedef struct {
    int sample_rate;
    unsigned int num_channels;
    int num_samples;
    float *data;
} Signal;

typedef struct {
    int num_samples_per_channel;
    Signal *left;
    Signal *right;
} StereoSignal;


int compute_num_frames(int num_samples, int win, int hop);
float* read_wav_file(const char *filename, unsigned int *channels, int *total_samples_count);
void write_wav_file(const char* filename, const float *audio_buffer, size_t total_samples_count, unsigned int sample_rate, unsigned int channels);
void write_to_csv(const char *filename, fftwf_complex *stft_data, int num_frames, int num_bins);

#endif