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vidcat

Langue: en

Version: Oct 2001 (mandriva - 01/05/08)

Section: 1 (Commandes utilisateur)

NAME

vidcat - capture a frame from a video4linux device

SYNOPSIS

vidcat [-h?blgV] [-d <device>] [-f jpeg|ppm|png] [-i tv|comp1|com1|s-video] [-n pal|ntsc|secam] [-q <1..100>] [-s WIDTHxHEIGHT] [-o <file>]

DESCRIPTION

vidcat captures a frame from a video4linux device and writes the result to the standard output device. With the following options you can define output format, size etc..

OPTIONS

-d device
Use an alternate v4l device, '/dev/video' is the default device.
-b
This applies only to PPM output. With this option the PPM ouput is written in binary mode.
-f ppm|jpeg|png|yuv4mpeg
Define the file format to use for the output stream. The default is "jpeg".
-g
Use greyscale instead of RGB24 for the output data.
-i tv|comp1|comp2|s-video
Set the input channel to use. The default value is none, which means the preset of the device is used.
-l
Loops until CTRL+C is pressed. This is the default for the YUV4MPEG output.
-n pal|ntsc|secam
Select the input norm for the grabbing device. The default value is none.
-o file
Use the named file for output instead of standard out.
-p c|g|y|Y
Set the palette to use: c = RGB24, g=GREY, y=YUV420P, Y=YUV422P.
-q 1..100
Set the quality for JPEG output. The value could be a number between 1 and 100. The default value is 80.
-s WIDTHxHEIGHT
Define the size of the output frame in pixels. The default setting is 320x240.
-V
Show version number and exit.

AUTHOR

Rasca
http://home.pages.de/~rasca/
VIDCAT is published under the GNU General Public License
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