shithub: hj264

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only one file is required to be specified as argument

--- a/hj264.c

+++ b/hj264.c

@@ -321,7 +321,7 @@

 static void

 usage(void)

 {

-	fprint(2, "usage: %s [-d] [-f FPS] [-n THREADS] [-k KBPS] [-q 0…10] [-Q QP]\n", argv0);

+	fprint(2, "usage: %s [-d] [-f FPS] [-n THREADS] [-k KBPS] [-q 0…10] [-Q QP] FILE\n", argv0);

 	threadexitsall("usage");

 }

@@ -386,7 +386,7 @@

 	if(kbps < 0)

 		kbps = 0;

-	if(argc < 1)

+	if(argc != 1)

 		usage();

 	if((in = open(*argv, OREAD)) < 0)

 		sysfatal("input: %r");