guvcview man page

guvcview — GTK+ base UVC Viewer




Guvcview is a simple GTK+ interface for capturing and viewing video from devices supported by the Linux UVC driver. It fully supports video4linux2 so it should work with any driver that supports this API, including the gspca driver.


guvcview [options...]


 -?, --help                   Print help options
 --help-all                   Print all help options
 --help-gtk                   Print GTK+ options
 --version                    Print version number

Application options:
 -v, --verbose                Prints a lot of debug information
 -d, --device=VIDEO_DEVICE    Video Device [default: /dev/video0]
 -a, --add_ctrls              Exits after adding dynamic controls to the uvc driver (needs root/sudo)
 -o, --control_only           Don't stream video (image controls only)
 -r, --capture_method=[1|2]   Capture method (1-mmap (default) 2-read)
 -g, --config=FILENAME        Configuration File
 -w, --hwd_acel=[1|0]         Hardware accelaration:
                                         (enable(1) | disable(0))
 -f, --format=FORMAT          Video input format:
    mjpg | jpeg | yuyv | yvyu | uyvy | yyuv | yu12 | yv12 | nv12 |
    nv21 | nv16 | nv61 | y11p | grey | s501 | s505 | s508 | gbrg |
    grbg | ba81 | rggb | bgr3 | rgb3 |
 -s, --size=WIDTHxHEIGHT      Resolution, default: 640x480
 -i, --image=FILENAME         Image File
 -c, --cap_time=TIME          Time elapsed between image captures
 -m, --npics=NUMPIC           Number of images to capture
 -n, --video=FILENAME         Video File (capture from start)
 -t, --vid_time=TIME          Video duration (in seconds)
 --exit_on_close              Exits guvcview after closing video
 -j, --skip=N_FRAMES          Number of inital frames to skip
 -p, --show_fps=[1|0]         Print FPS on video Window:
                                         (enable(1) | disable(0))
 -l, --profile=FILENAME       Load profile


This manual page was written by Paulo Assis <>, for the Debian GNU/Linux system (but may be used by others).


Aug 2009