patch-2.4.5 linux/drivers/usb/pwc-ioctl.h

• Lines: 76
• Date: Tue May 22 10:25:36 2001
• Orig file: v2.4.4/linux/drivers/usb/pwc-ioctl.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.4/linux/drivers/usb/pwc-ioctl.h linux/drivers/usb/pwc-ioctl.h
@@ -0,0 +1,75 @@
+/* (C) 2001 Nemosoft Unv.    webcam@smcc.demon.nl
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#ifndef PWC_IOCTL_H
+#define PWC_IOCTL_H
+
+/* These are private ioctl() commands, specific for the Philips webcams.
+   They contain functions not found in other webcams, and settings not
+   specified in the Video4Linux API. 
+   
+   The #define names are built up like follows:
+   VIDIOC		VIDeo IOCtl prefix
+         PWC		Philps WebCam
+            G           optional: Get
+            S           optional: Set
+             ... 	the function
+ */
+
+
+
+
+/* The frame rate is encoded in the video_window.flags parameter using
+   the upper 16 bits, since some flags are defined nowadays. The following
+   defines provide a mask and shift to filter out this value.
+   
+   In 'Snapshot' mode the camera freezes its automatic exposure and colour 
+   balance controls.
+ */
+#define PWC_FPS_SHIFT		16
+#define PWC_FPS_MASK		0x00FF0000
+#define PWC_FPS_FRMASK		0x003F0000
+#define PWC_FPS_SNAPSHOT	0x00400000
+
+
+ /* Restore user settings */
+#define VIDIOCPWCRUSER		_IO('v', 192)
+ /* Save user settings */
+#define VIDIOCPWCSUSER		_IO('v', 193)
+ /* Restore factory settings */
+#define VIDIOCPWCFACTORY	_IO('v', 194)
+
+ /* You can manipulate the compression factor. A compression preference of 0
+    means use uncompressed modes when available; 1 is low compression, 2 is
+    medium and 3 is high compression preferred. Of course, the higher the
+    compression, the lower the bandwidth used but more chance of artefacts
+    in the image. The driver automatically chooses a higher compression when
+    the preferred mode is not available.
+  */
+ /* Set preferred compression quality (0 = uncompressed, 3 = highest compression) */
+#define VIDIOCPWCSCQUAL		_IOW('v', 195, int)
+ /* Get preferred compression quality */
+#define VIDIOCPWCGCQUAL		_IOR('v', 195, int)
+
+ /* Set AGC (Automatic Gain Control); int < 0 = auto, 0..65535 = fixed */
+#define VIDIOCPWCSAGC		_IOW('v', 200, int)
+ /* Get AGC; int < 0 = auto; >= 0 = fixed, range 0..65535 */
+#define VIDIOCPWCGAGC		_IOR('v', 200, int)
+ /* Set shutter speed; int < 0 = auto; >= 0 = fixed, range 0..65535 */
+#define VIDIOCPWCSSHUTTER	_IOW('v', 201, int)
+
+#endif