/*
 * The helper function implemented in this module emits an encoder output
 * array of params (*.cod format) in either BE or LE format.  This helper
 * function will be used for gsmhr-etsi-enc and gsmhr-tfo-xfrm-dc utilities,
 * which need to both read and write ETSI-format files that are subject to
 * endian concerns.
 */

#include <stdint.h>
#include <stdio.h>
#include "../libgsmhr1/tw_gsmhr.h"

void
emit_cod_to_endian(outf, params, big_endian)
	FILE *outf;
	int16_t *params;
{
	uint8_t file_bytes[GSMHR_NUM_PARAMS_ENC * 2], *dp;
	unsigned n;
	uint16_t val;

	dp = file_bytes;
	for (n = 0; n < GSMHR_NUM_PARAMS_ENC; n++) {
		val = params[n];
		if (big_endian) {
			*dp++ = val >> 8;
			*dp++ = val;
		} else {
			*dp++ = val;
			*dp++ = val >> 8;
		}
	}
	fwrite(file_bytes, 2, GSMHR_NUM_PARAMS_ENC, outf);
}