view libgsmfr2/pp_state.c @ 431:f0496507d409

libtwamr: implement amr_dhf_subst_efr()
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 08 May 2024 00:27:51 +0000
parents 573afa985df6
children 3a617e4e9b27
line wrap: on
line source

/*
 * 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;
}