vibrato.c File Reference

#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <retro_miscellaneous.h>
#include <libretro_dspfilter.h>
#include <string/stdstring.h>

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Classes
struct	vibrato_core
struct	vibrato

Macros
#define	sqr(a)   ((a) * (a))

Functions
float	hermite_interp (float x, float *y)
static void	vibrato_free (void *data)
static void	vibratocore_init (struct vibrato_core *core, float depth, int samplerate, float freq)
float	vibratocore_core (struct vibrato_core *core, float in)
static void	vibrato_process (void *data, struct dspfilter_output *output, const struct dspfilter_input *input)
static void *	vibrato_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
const float	BASE_DELAY_SEC = 0.002
const float	VIBRATO_FREQUENCY_DEFAULT_HZ = 2
const float	VIBRATO_FREQUENCY_MAX_HZ = 14
const float	VIBRATO_DEPTH_DEFAULT_PERCENT = 50
const int	add_delay = 3
static const struct dspfilter_implementation	vibrato_plug

Macro Definition Documentation

sqr

#define sqr

(

a

)

((a) * (a))

Function Documentation

dspfilter_get_implementation()

const struct dspfilter_implementation* dspfilter_get_implementation

(

dspfilter_simd_mask_t

mask

)

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hermite_interp()

float hermite_interp	(	float	x,
		float *	y
	)

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vibrato_free()

static void vibrato_free ( void *  data )

static

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vibrato_init()

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

static

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vibrato_process()

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

static

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vibratocore_core()

float vibratocore_core	(	struct vibrato_core *	core,
		float	in
	)

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vibratocore_init()

static void vibratocore_init ( struct vibrato_core *  core, float  depth, int  samplerate, float  freq  )

static

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Variable Documentation

add_delay

const int add_delay = 3

BASE_DELAY_SEC

const float BASE_DELAY_SEC = 0.002

VIBRATO_DEPTH_DEFAULT_PERCENT

const float VIBRATO_DEPTH_DEFAULT_PERCENT = 50

VIBRATO_FREQUENCY_DEFAULT_HZ

const float VIBRATO_FREQUENCY_DEFAULT_HZ = 2

VIBRATO_FREQUENCY_MAX_HZ

const float VIBRATO_FREQUENCY_MAX_HZ = 14

vibrato_plug

const struct dspfilter_implementation vibrato_plug

static

Initial value:

= {
 vibrato_init,
 vibrato_process,
 vibrato_free,

 DSPFILTER_API_VERSION,
 "Vibrato",
 "vibrato",
}