uvccapture1

Usage

Overview

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.

Options

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