uvccapture - USB UVC Video Class snapshot software

       uvccapture was written by Gabriel A. Devenyi <ace@staticwave.ca>.  This software is based of the  package
       luvcview by Laurent Pinchart and Michel Xhaard.

       This manual page was written by Krzysztof Burghardt <krzysztof@burghardt.pl>, for the Debian project (but
       may be used by others).

                                                28th March, 2008                                   UVCCAPTURE(1)

       This manual page documents briefly the uvccapture command.

       The  purpose  of uvccapture is to capture an image from a USB webcam at a specified interval, and save it
       to a JPEG file, no other formats are supported, imagemagick can handle anything else you might need.

       uvccapture - USB UVC Video Class snapshot software

       A summary of options is included below.

       -h     Show summary of options.

       -v     Verbose output.

       -o<filename>
              Output filename (default is snap.jpg)

       -d<device>
              V4L2 Device (default is /dev/video0)

       -x<width>
              Image Width (must be supported by device) (>960 activates YUYV capture)

       -y<height>
              Image Height (must be supported by device) (>720 activates YUYV capture)

       -c<command>
              Command to run after each image capture (executed as <command> <output_filename>)

       -t<integer>
              Take continuous shots with <integer> seconds between them (0 for single shot)

       -q<percentage>
              JPEG Quality Compression Level (activates YUYV capture)

       -r     Use read instead of mmap for image capture

       -w     Wait for capture command to finish before starting next capture

       -m     Toggles capture mode to YUYV capture

       -B<integer>
              Brightness

       -C<integer>
              Contrast

       -S<integer>
              Saturation

       -G<integer>
              Gain

http://linux-uvc.berlios.de/

uvccapture [options]