/*
 * This little program takes EFR and MR122 DHFs provided in array-of-params
 * form by libtwamr, turns them into EFR RTP format using libgsmefr function,
 * and emits those two RTP-encoded EFR frames in hex, for inclusion in other
 * C sources.
 */

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <gsm_efr.h>
#include <tw_amr.h>

static void
emit_one_frame(params, filename, cname)
	const int16_t *params;
	char *filename, *cname;
{
	uint8_t efr_rtp[EFR_RTP_FRAME_LEN];
	FILE *outf;
	unsigned n;

	EFR_params2frame(params, efr_rtp);
	outf = fopen(filename, "w");
	if (!outf) {
		perror(filename);
		exit(1);
	}
	fputs("#include <stdint.h>\n\n", outf);
	fprintf(outf, "const uint8_t %s[31] = {\n", cname);
	for (n = 0; n < EFR_RTP_FRAME_LEN; n++) {
		fprintf(outf, "0x%02X,", efr_rtp[n]);
		if (n == 15 || n == 30)
			putc('\n', outf);
	}
	fputs("};\n", outf);
	fclose(outf);
}

main(argc, argv)
	char **argv;
{
	if (argc != 3) {
		fprintf(stderr, "usage: %s efr-dhf-out mr122-dhf-out\n",
			argv[0]);
		exit(1);
	}
	emit_one_frame(amr_dhf_gsmefr, argv[1], "efr_dhf_bytes");
	emit_one_frame(amr_dhf_mr122, argv[2], "mr122_dhf_bytes");
	exit(0);
}