view libgsmfr2/pp_state.c @ 571:c6d0b1a7281e

libgsmhr1: API definition for TFO transform
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 12 Feb 2025 07:57:29 +0000
parents 3a617e4e9b27
children
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"

const unsigned gsmfr_preproc_state_size = sizeof(struct gsmfr_preproc_state);

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;
}