/*
 * gsmfr-encode-r is just like gsmfr-encode, but reads the source
 * linear PCM data to be encoded from a raw BE file ("robe")
 * instead of WAV.
 */

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <gsm.h>
#include "../libtest/roberead.h"

main(argc, argv)
	char **argv;
{
	FILE *inf, *binf;
	gsm enc_state;
	int16_t pcm[160];
	uint8_t frame[33];
	int rc;

	if (argc != 3) {
		fprintf(stderr, "usage: %s input.wav output.gsm\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);
	}
	enc_state = gsm_create();
	if (!enc_state) {
		fprintf(stderr, "gsm_create() failed!\n");
		exit(1);
	}
	for (;;) {
		rc = robe_get_pcm_block(inf, pcm);
		if (!rc)
			break;
		gsm_encode(enc_state, pcm, frame);
		fwrite(frame, 1, sizeof frame, binf);
	}
	fclose(binf);
	exit(0);
}