view pcmu2efr/comb-diff.c @ 55:f27bc1e17311

fr-sid/goodsp-frame41.gsmx: starting point This 33-byte binary file contains frame #41 from good_sp.cod from GSM 06.32 test sequence set, converted from ETSI *.cod format into our gsmx format. This frame is an example of a real FRv1 SID.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 22 Aug 2024 05:00:08 +0000
parents 2628a34fe75b
children
line wrap: on
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/*
 * This program computes 160 possible EFR encoder outputs using standard EFR,
 * then 120 possible outputs using "simple" AMR-EFR, then does a diff
 * among them, seeking to verify that they are all distinct.
 */

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>

extern uint8_t standard_efr[160][31];
extern uint8_t amr_efr[160][31];

main(argc, argv)
	char **argv;
{
	uint8_t combine[320][31];
	unsigned m, n;

	generate_linear_inputs();
	generate_std_efr();
	generate_amr_efr();
	bcopy(standard_efr, combine, 160*31);
	bcopy(amr_efr, combine + 160, 160*31);
	for (m = 0; m < 319; m++) {
		for (n = m + 1; n < 320; n++) {
			if (!memcmp(combine[m], combine[n], 31))
				printf("Bad: sequences #%u and #%u are equal\n",
					m, n);
		}
	}
	exit(0);
}