be less verbose

v4l2/grabvidseq.c

@@ -149,7 +149,7 @@ while ((opt = getopt(argc, argv, "c:d:ghn:o:O:p:s:uv")) != -1) {
 		}
 	}
 
-if (verbosity) {
+if (verbosity > 1) {
 	fprintf(stderr, "running %s  pid=%d\n", argv[0], getpid());
 	fprintf(stderr, "grabing %d picz\n", nbre_capt);
 	fprintf(stderr, "period is %.3f milliseconds\n", period/1e3);