diff --git a/app/video/video.1 b/app/video/video.1
index 98029c65f..749be0296 100644
--- a/app/video/video.1
+++ b/app/video/video.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: video.1,v 1.3 2010/07/26 23:02:06 jakemsr Exp $
+.\"	$OpenBSD: video.1,v 1.4 2010/09/26 23:47:17 jakemsr Exp $
 .\"
 .\" Copyright (c) 2010 Jacob Meuser <jakemsr@openbsd.org>
 .\"
@@ -15,7 +15,7 @@
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
 .\"
-.Dd $Mdocdate: July 26 2010 $
+.Dd $Mdocdate: September 26 2010 $
 .Dt VIDEO 1
 .Os
 .Sh NAME
@@ -66,7 +66,8 @@ written to
 .Ar output
 and displayed via
 .Xr Xv 3 .
-The brightness, contrast, gain, hue and saturation controls of
+The acutance, brightness, contrast, gain, gamma, hue and saturation
+controls of
 .Ar file
 can also be adjusted if
 .Ar file
@@ -215,6 +216,12 @@ the following signals: SIGHUP, SIGINT, SIGKILL, SIGTERM, SIGPIPE.
 responds to certain key presses while it is displaying frames.
 The keypresses are as follows:
 .Bl -tag -width "aXX"
+.It Ic A
+Increase acutance (sharpness) control of
+.Ar file .
+.It Ic a
+Decrease acutance (sharpness) control of
+.Ar file .
 .It Ic B
 Increase brightness control of
 .Ar file .
@@ -241,6 +248,12 @@ Increase hue control of
 .It Ic h
 Decrease hue control of
 .Ar file .
+.It Ic M
+Increase gamma control of
+.Ar file .
+.It Ic m
+Decrease gamma control of
+.Ar file .
 .It Ic p
 Toggle new frame display.
 .It Ic q
diff --git a/app/video/video.c b/app/video/video.c
index b2ab754e9..286366412 100644
--- a/app/video/video.c
+++ b/app/video/video.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: video.c,v 1.5 2010/09/13 01:35:50 jakemsr Exp $	*/
+/*	$OpenBSD: video.c,v 1.6 2010/09/26 23:47:17 jakemsr Exp $	*/
 /*
  * Copyright (c) 2010 Jacob Meuser <jakemsr@openbsd.org>
  *
@@ -96,7 +96,11 @@ struct dev_ctrls {
 	{ "hue",	0, V4L2_CID_HUE,	0, 0, 0, 0, 0 },
 #define CTRL_GAIN	4
 	{ "gain",	0, V4L2_CID_GAIN, 	0, 0, 0, 0, 0 },
-#define CTRL_LAST	5
+#define CTRL_GAMMA	5
+	{ "gamma",	0, V4L2_CID_GAMMA, 	0, 0, 0, 0, 0 },
+#define CTRL_SHARPNESS	6
+	{ "sharpness",	0, V4L2_CID_SHARPNESS, 	0, 0, 0, 0, 0 },
+#define CTRL_LAST       7
 	{ NULL, 0, 0, 0, 0, 0, 0, 0 }
 };
 
@@ -538,6 +542,14 @@ display_event(struct video *vid)
 				warnx("got KeyPress event");
 			XLookupString(&x->event.xkey, &str, 1, NULL, NULL);
 			switch (str) {
+			case 'A':
+				if (vid->mode & M_IN_DEV)
+					dev_set_ctrl(vid, CTRL_SHARPNESS, 1);
+				break;
+			case 'a':
+				if (vid->mode & M_IN_DEV)
+					dev_set_ctrl(vid, CTRL_SHARPNESS, -1);
+				break;
 			case 'B':
 				if (vid->mode & M_IN_DEV)
 					dev_set_ctrl(vid, CTRL_BRIGHTNESS, 1);
@@ -583,6 +595,14 @@ display_event(struct video *vid)
 					fprintf(stderr, "stopping output\n");
 				wout = 0;
 				break;
+			case 'M':
+				if (vid->mode & M_IN_DEV)
+					dev_set_ctrl(vid, CTRL_GAMMA, 1);
+				break;
+			case 'm':
+				if (vid->mode & M_IN_DEV)
+					dev_set_ctrl(vid, CTRL_GAMMA, -1);
+				break;
 			case 'p':
 				hold = !hold;
 				break;