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-rw-r--r--usr.bin/sndiod/defs.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/usr.bin/sndiod/defs.h b/usr.bin/sndiod/defs.h
index 8167221c751..149abfbb811 100644
--- a/usr.bin/sndiod/defs.h
+++ b/usr.bin/sndiod/defs.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: defs.h,v 1.2 2012/12/07 08:04:58 ratchov Exp $ */
+/* $OpenBSD: defs.h,v 1.3 2019/06/16 13:45:12 ratchov Exp $ */
/*
* Copyright (c) 2008-2012 Alexandre Ratchov <alex@caoua.org>
*
@@ -23,7 +23,8 @@
#define MIDI_BUFSZ 3125 /* 1 second at 31.25kbit/s */
/*
- * units used for MTC clock.
+ * units used for MTC clock. Must allow a quarter of frame to be
+ * represented at any of the standard 24, 25, or 30 fps.
*/
#define MTC_SEC 2400 /* 1 second is 2400 ticks */