view libgsmfr2/pp_state.c @ 288:e0b46ac2c326

gsmfr-encode-r: convert to libgsmfr2
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 14 Apr 2024 06:20:04 +0000
parents 573afa985df6
children 3a617e4e9b27
line wrap: on
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/*
 * In this module we implement allocation and initialization
 * of state structures for our GSM FR preprocessor.
 */

#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "tw_gsmfr.h"
#include "pp_state.h"

struct gsmfr_preproc_state *gsmfr_preproc_create(void)
{
	struct gsmfr_preproc_state *st;

	st = malloc(sizeof(struct gsmfr_preproc_state));
	if (st)
		gsmfr_preproc_reset(st);
	return st;
}

void gsmfr_preproc_reset(struct gsmfr_preproc_state *st)
{
	memset(st, 0, sizeof(struct gsmfr_preproc_state));
	st->cn_random_lfsr = PN_INITIAL_SEED;
}