eq.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <retro_inline.h>
#include <retro_miscellaneous.h>
#include <filters.h>
#include <libretro_dspfilter.h>
#include "fft/fft.c"

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Classes
struct	eq_data
struct	eq_gain

Functions
static void	eq_free (void *data)
static void	eq_process (void *data, struct dspfilter_output *output, const struct dspfilter_input *input)
static int	gains_cmp (const void *a_, const void *b_)
static void	generate_response (fft_complex_t *response, const struct eq_gain *gains, unsigned num_gains, unsigned samples)
static void	create_filter (struct eq_data *eq, unsigned size_log2, struct eq_gain *gains, unsigned num_gains, double beta, const char *filter_path)
static void *	eq_init (const struct dspfilter_info *info, const struct dspfilter_config *config, void *userdata)
const struct dspfilter_implementation *	dspfilter_get_implementation (dspfilter_simd_mask_t mask)

Variables
static const struct dspfilter_implementation	eq_plug

Function Documentation

create_filter()

static void create_filter ( struct eq_data *  eq, unsigned  size_log2, struct eq_gain *  gains, unsigned  num_gains, double  beta, const char *  filter_path  )

static

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dspfilter_get_implementation()

const struct dspfilter_implementation* dspfilter_get_implementation

(

dspfilter_simd_mask_t

mask

)

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eq_free()

static void eq_free ( void *  data )

static

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eq_init()

static void* eq_init ( const struct dspfilter_info *  info, const struct dspfilter_config *  config, void *  userdata  )

static

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eq_process()

static void eq_process ( void *  data, struct dspfilter_output *  output, const struct dspfilter_input *  input  )

static

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gains_cmp()

static int gains_cmp ( const void *  a_, const void *  b_  )

static

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generate_response()

static void generate_response ( fft_complex_t *  response, const struct eq_gain *  gains, unsigned  num_gains, unsigned  samples  )

static

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Variable Documentation

eq_plug

const struct dspfilter_implementation eq_plug

static

Initial value:

= {
   eq_init,
   eq_process,
   eq_free,

   DSPFILTER_API_VERSION,
   "Linear-Phase FFT Equalizer",
   "eq",
}