/*
 * This file is the main module for gsmefr-encode utility.
 */

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "../libgsmefr/gsm_efr.h"
#include "../libtest/wavreader.h"
#include "../libtest/wavrdhelp.h"

main(argc, argv)
	char **argv;
{
	char *infname, *outfname;
	void *wav;
	FILE *binf;
	struct EFR_encoder_state *state;
	int16_t pcm[160];
	uint8_t frame[EFR_RTP_FRAME_LEN];
	int dtx, rc;

	if (argc == 3 && argv[1][0] != '-') {
		dtx = 0;
		infname = argv[1];
		outfname = argv[2];
	} else if (argc == 4 && !strcmp(argv[1], "-d")) {
		dtx = 1;
		infname = argv[2];
		outfname = argv[3];
	} else {
		fprintf(stderr, "usage: %s [-d] input.wav output.gsmx\n",
			argv[0]);
		exit(1);
	}
	wav = wav_read_open(infname);
	if (!wav) {
		perror(infname);
		exit(1);
	}
	rc = wavrd_check_header(wav, infname);
	if (rc < 0)
		exit(1);	/* error msg already printed */
	binf = fopen(outfname, "w");
	if (!binf) {
		perror(outfname);
		exit(1);
	}
	state = EFR_encoder_create(dtx);
	if (!state) {
		perror("EFR_encoder_create()");
		exit(1);
	}
	for (;;) {
		rc = wavrd_get_pcm_block(wav, pcm);
		if (!rc)
			break;
		EFR_encode_frame(state, pcm, frame, (int *) 0, (int *) 0);
		fwrite(frame, 1, sizeof frame, binf);
	}
	fclose(binf);
	exit(0);
}