/*
 * amrefr-encode-r is a counterpart to gsmefr-encode-r, implementing
 * "alternative EFR" by way of libtwamr.  Unlike standard gsmefr-encode-r,
 * there is no -d option and no DTX support in this version.
 */

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "../libgsmefr/gsm_efr.h"
#include "../libtwamr/tw_amr.h"
#include "../libtest/roberead.h"

main(argc, argv)
	char **argv;
{
	FILE *inf, *binf;
	struct amr_encoder_state *state;
	int16_t pcm[160];
	struct amr_param_frame amr_frame;
	uint8_t efr_frame[EFR_RTP_FRAME_LEN];
	int rc;

	if (argc != 3) {
		fprintf(stderr, "usage: %s input.robe output.gsmx\n", argv[0]);
		exit(1);
	}
	inf = fopen(argv[1], "r");
	if (!inf) {
		perror(argv[1]);
		exit(1);
	}
	binf = fopen(argv[2], "w");
	if (!binf) {
		perror(argv[2]);
		exit(1);
	}
	state = amr_encoder_create(0, 0);
	if (!state) {
		perror("amr_encoder_create()");
		exit(1);
	}
	for (;;) {
		rc = robe_get_pcm_block(inf, pcm);
		if (!rc)
			break;
		amr_encode_frame(state, MR122, pcm, &amr_frame);
		amr_dhf_subst_efr(&amr_frame);
		EFR_params2frame(amr_frame.param, efr_frame);
		fwrite(efr_frame, 1, sizeof efr_frame, binf);
	}
	fclose(binf);
	exit(0);
}