--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hrutil/dec-parse.c	Fri Aug 30 08:27:05 2024 +0000
@@ -0,0 +1,47 @@
+/*
+ * This program reads an HRv1 *.dec file in ETSI test sequence format
+ * (decoder input format) and displays its content in human-readable form.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include "../libgsmhr1/tw_gsmhr.h"
+
+main(argc, argv)
+	char **argv;
+{
+	char *infname;
+	FILE *inf;
+	int big_endian;
+	unsigned frame_no;
+	int16_t params[GSMHR_NUM_PARAMS_DEC];
+	int rc;
+
+	if (argc == 2 && argv[1][0] != '-') {
+		big_endian = 0;
+		infname = argv[1];
+	} else if (argc == 3 && !strcmp(argv[1], "-b")) {
+		big_endian = 1;
+		infname = argv[2];
+	} else {
+		fprintf(stderr, "usage: %s [-b] file.dec\n", argv[0]);
+		exit(1);
+	}
+	inf = fopen(infname, "r");
+	if (!inf) {
+		perror(infname);
+		exit(1);
+	}
+	for (frame_no = 0; ; frame_no++) {
+		rc = read_dec_frame(inf, big_endian, params, infname, frame_no);
+		if (!rc)
+			break;
+		printf("#%u: BFI=%d UFI=%d SID=%d TAF=%d\n", frame_no,
+			params[18], params[19], params[20], params[21]);
+		print_frame_params(params);
+	}
+	exit(0);
+}