view dev/gsmfr-dhf.c @ 467:ad032051166a

doc: AMR-EFR-hybrid-emu new article
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 12 May 2024 23:54:43 +0000
parents 37dc5c84bbe9
children
line wrap: on
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/*
 * This program is meant to be run only once by the developer - it
 * generates RTP-packed form of the decoder homing frame for GSM-FR,
 * as specified in more recent versions of GSM 06.10 spec.
 */

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

extern void gsmfr_pack_to_rtp(const int16_t *params, uint8_t *frame);

static const int16_t larc[8] = {9, 23, 15, 8, 7, 3, 3, 2};

main(argc, argv)
	char **argv;
{
	int16_t params[76], *pp;
	uint8_t frame[33];
	unsigned m, n;

	/* gather params */
	bcopy(larc, params, sizeof(int16_t) * 8);
	pp = params + 8;
	for (m = 0; m < 4; m++) {
		*pp++ = 40;
		*pp++ = 0;
		*pp++ = 0;
		*pp++ = 0;
		for (n = 0; n < 13; n++) {
			if (m == 3 && n == 4)
				*pp++ = 3;
			else
				*pp++ = 4;
		}
	}
	/* generate frame */
	gsmfr_pack_to_rtp(params, frame);
	/* print the frame */
	for (n = 0; n < 33; n++) {
		printf("0x%02X,", frame[n]);
		if (n == 4 || n == 11 || n == 18 || n == 25 || n == 32)
			putchar('\n');
		else
			putchar(' ');
	}
	exit(0);
}