src_sinc.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "float_cast.h"
#include "common.h"
#include "fastest_coeffs.h"
#include "mid_qual_coeffs.h"
#include "high_qual_coeffs.h"

Go to the source code of this file.

Data Structures
struct	SINC_FILTER
Defines
#define	SINC_MAGIC_MARKER   MAKE_MAGIC (' ', 's', 'i', 'n', 'c', ' ')
#define	MAKE_INCREMENT_T(x)   ((increment_t) (x))
#define	SHIFT_BITS   12
#define	FP_ONE   ((double) (((increment_t) 1) << SHIFT_BITS))
#define	INV_FP_ONE   (1.0 / FP_ONE)
Typedefs
typedef int32_t	increment_t
typedef float	coeff_t
Functions
static int	sinc_multichan_vari_process (SRC_PRIVATE *psrc, SRC_DATA *data)
static int	sinc_hex_vari_process (SRC_PRIVATE *psrc, SRC_DATA *data)
static int	sinc_quad_vari_process (SRC_PRIVATE *psrc, SRC_DATA *data)
static int	sinc_stereo_vari_process (SRC_PRIVATE *psrc, SRC_DATA *data)
static int	sinc_mono_vari_process (SRC_PRIVATE *psrc, SRC_DATA *data)
static int	prepare_data (SINC_FILTER *filter, SRC_DATA *data, int half_filter_chan_len) WARN_UNUSED
static void	sinc_reset (SRC_PRIVATE *psrc)
static increment_t	double_to_fp (double x)
static increment_t	int_to_fp (int x)
static int	fp_to_int (increment_t x)
static increment_t	fp_fraction_part (increment_t x)
static double	fp_to_double (increment_t x)
const char *	sinc_get_name (int src_enum)
const char *	sinc_get_description (int src_enum)
int	sinc_set_converter (SRC_PRIVATE *psrc, int src_enum)
static double	calc_output_single (SINC_FILTER *filter, increment_t increment, increment_t start_filter_index)
static void	calc_output_stereo (SINC_FILTER *filter, increment_t increment, increment_t start_filter_index, double scale, float *output)
static void	calc_output_quad (SINC_FILTER *filter, increment_t increment, increment_t start_filter_index, double scale, float *output)
static void	calc_output_hex (SINC_FILTER *filter, increment_t increment, increment_t start_filter_index, double scale, float *output)
static void	calc_output_multi (SINC_FILTER *filter, increment_t increment, increment_t start_filter_index, int channels, double scale, float *output)