| #ifndef PWC_IOCTL_H |
| #define PWC_IOCTL_H |
| |
| /* (C) 2001-2003 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 |
| */ |
| |
| /* This is pwc-ioctl.h belonging to PWC 8.10 */ |
| |
| /* |
| Changes |
| 2001/08/03 Alvarado Added ioctl constants to access methods for |
| changing white balance and red/blue gains |
| 2002/12/15 G. H. Fernandez-Toribio VIDIOCGREALSIZE |
| */ |
| |
| /* 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 |
| |
| |
| |
| struct pwc_probe |
| { |
| char name[32]; |
| int type; |
| }; |
| |
| |
| /* pwc_whitebalance.mode values */ |
| #define PWC_WB_INDOOR 0 |
| #define PWC_WB_OUTDOOR 1 |
| #define PWC_WB_FL 2 |
| #define PWC_WB_MANUAL 3 |
| #define PWC_WB_AUTO 4 |
| |
| /* Used with VIDIOCPWC[SG]AWB (Auto White Balance). |
| Set mode to one of the PWC_WB_* values above. |
| *red and *blue are the respective gains of these colour components inside |
| the camera; range 0..65535 |
| When 'mode' == PWC_WB_MANUAL, 'manual_red' and 'manual_blue' are set or read; |
| otherwise undefined. |
| 'read_red' and 'read_blue' are read-only. |
| */ |
| |
| struct pwc_whitebalance |
| { |
| int mode; |
| int manual_red, manual_blue; /* R/W */ |
| int read_red, read_blue; /* R/O */ |
| }; |
| |
| /* |
| 'control_speed' and 'control_delay' are used in automatic whitebalance mode, |
| and tell the camera how fast it should react to changes in lighting, and |
| with how much delay. Valid values are 0..65535. |
| */ |
| struct pwc_wb_speed |
| { |
| int control_speed; |
| int control_delay; |
| |
| }; |
| |
| /* Used with VIDIOCPWC[SG]LED */ |
| struct pwc_leds |
| { |
| int led_on; /* Led on-time; range = 0..25000 */ |
| int led_off; /* Led off-time; range = 0..25000 */ |
| }; |
| |
| /* Image size (used with GREALSIZE) */ |
| struct pwc_imagesize |
| { |
| int width; |
| int height; |
| }; |
| |
| /* 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) |
| |
| |
| /* This is a probe function; since so many devices are supported, it |
| becomes difficult to include all the names in programs that want to |
| check for the enhanced Philips stuff. So in stead, try this PROBE; |
| it returns a structure with the original name, and the corresponding |
| Philips type. |
| To use, fill the structure with zeroes, call PROBE and if that succeeds, |
| compare the name with that returned from VIDIOCGCAP; they should be the |
| same. If so, you can be assured it is a Philips (OEM) cam and the type |
| is valid. |
| */ |
| #define VIDIOCPWCPROBE _IOR('v', 199, struct pwc_probe) |
| |
| /* 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) |
| |
| /* Color compensation (Auto White Balance) */ |
| #define VIDIOCPWCSAWB _IOW('v', 202, struct pwc_whitebalance) |
| #define VIDIOCPWCGAWB _IOR('v', 202, struct pwc_whitebalance) |
| |
| /* Auto WB speed */ |
| #define VIDIOCPWCSAWBSPEED _IOW('v', 203, struct pwc_wb_speed) |
| #define VIDIOCPWCGAWBSPEED _IOR('v', 203, struct pwc_wb_speed) |
| |
| /* LEDs on/off/blink; int range 0..65535 */ |
| #define VIDIOCPWCSLED _IOW('v', 205, struct pwc_leds) |
| #define VIDIOCPWCGLED _IOR('v', 205, struct pwc_leds) |
| |
| /* Contour (sharpness); int < 0 = auto, 0..65536 = fixed */ |
| #define VIDIOCPWCSCONTOUR _IOW('v', 206, int) |
| #define VIDIOCPWCGCONTOUR _IOR('v', 206, int) |
| |
| /* Backlight compensation; 0 = off, otherwise on */ |
| #define VIDIOCPWCSBACKLIGHT _IOW('v', 207, int) |
| #define VIDIOCPWCGBACKLIGHT _IOR('v', 207, int) |
| |
| /* Flickerless mode; = 0 off, otherwise on */ |
| #define VIDIOCPWCSFLICKER _IOW('v', 208, int) |
| #define VIDIOCPWCGFLICKER _IOR('v', 208, int) |
| |
| /* Dynamic noise reduction; 0 off, 3 = high noise reduction */ |
| #define VIDIOCPWCSDYNNOISE _IOW('v', 209, int) |
| #define VIDIOCPWCGDYNNOISE _IOR('v', 209, int) |
| |
| /* Real image size as used by the camera; tells you whether or not there's a gray border around the image */ |
| #define VIDIOCPWCGREALSIZE _IOR('v', 210, struct pwc_imagesize) |
| |
| #endif |