view libgsmfr2/pp_state.c @ 603:27df1cef042c

libgsmhr1: put aToRc() only in dec_func.c This function was originally static in sp_dec.c, but now it is needed both in sp_dec.c and in dec_func.c shared decoder+encoder functions. Solution: give it intermodule linkage, and let it reside in dec_func.c only.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 04 Dec 2025 19:05:38 +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;
}