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xawtv-remote,
v4lctl -- control
video4linux devices
SYNOPSIS
xawtv-remote [ options ] command
v4lctl [ options ] command
DESCRIPTION
xawtv-remote and
v4lctl can be used to control a
video4linux driven TV card.
xawtv-remote passes the command to a already running
xawtv or motv instance using X11 properties.
v4lctl sets the parameters directly.
OPTIONS
xawtv-remote knows the following options:
-h
print a short help text
-d dpy
Set the X11 display
-i id
Set the Window ID.
v4lctl understands these options:
-h
print a short help text
-c device
Set video4linux device.
-v n
Set debug level to n, where n = [0..2]
COMMANDS
Both tools basically use the same
set of commands. Some of them are useful for
xawtv-remote only (fullscreen for
example).
setstation [ <name> | <nr> | next | prev | back ]
Set the TV station. This selects on of the TV stations which are configured in the .
xawtv config file. The argument can be the station name or a number (the first one listed in the config file is 0, ...). next/prev jumps to the next/previous station in the list, back to the previously selected one.
setchannel [ <name> | next | prev ]
Tune in some channel.
setfreqtab <table>
Set the frequency table. See the menu in
xawtv for a list of valid choices.
setnorm <norm>
Set the TV norm (NTSC/
PAL/SECAM).
setinput [ <input> | next ]
Set the video input (Television/Composite1/...) capture [ on | off | overlay | grabdisplay ]
Set capture
mode.
volume mute on | off
mute / unmute
audio.
volume <arg>
color <arg>
hue <arg>
bright <arg>
contrast <arg>
Set the parameter to the specified value. <arg> can be one of the following: A percent value ("70%" for
example). Some absolute value ("32768"), the valid range is hardware specific. Relative values can be specified too by prefixing
with "+=" or "-=" ("+=10%" or "-=2000"). The keywords "inc" and "dec" are accepted to and will increase and decrease the given value in small steps.
setattr <name> <value>
Set set the value of some attribute (color, contrast, ... can be
set this way too).
show [ <name> ]
Show the value current of some attribute.
list
List all available attributes
with all properties (default value, range, ...)
snap [ jpeg | ppm ] [ full | win | widthxheight ] <filename>
Capture one image.
webcam <filename>
Capture one image. Does basically the same as "snap jpeg win <filename>". Works also while avi recording is active. It writes to a temporary file and renames it when done, so there is never a invalid file.
movie driver [ files | raw | avi | qt ]
movie
video [ ppm | pgm | jpeg | rgb | gray | 422 | 422p | rgb15 | rgb24 | mjpeg | jpeg | raw | mjpa | png ]
movie fps <frames per second>
movie
audio [ mono8 | mono16 | stereo ]
movie
rate <
sample rate>
movie f
video <filename>
movie f
audio <filename>
movie start
movie stop
control
xawtv's movie recorder.
fullscreen
Toggle fullscreen
mode.
showtime
Display time (same what the 'D' key does in
xawtv).
msg text
Display text on the on-screen display (window title / upper left corner in fullscreen
mode).
vtx line1 line2 [ ... ]
Display subtitles. It pops up a small window at the bottom of the screen. It is supported to be used as interface for displaying subtitles (often on
videotext page 150 in europe, thats why the name) by external programs.
Every command line argument is one line, zero lines removes the window. You can colorize the text
with the control sequence "ESC foreground background". foreground/background has the range 0-7 (ansi term colors).
Example: "\03347 hello world " is blue on white. "\033" must be a real escape character, the string does'nt work.
With the bash you'll get it
with ^V ESC. vtx does also understand the ANSI tty escape sequences for color.
quit
quit
xawtv keypad n
enter digit 'n'. That's the two-digit channel selection, entering two digits
within 5 seconds switches to the selected station. Useful for lirc.
vdr command
send "command" to vdr (via connect on localhost:2001).
SEE ALSO
xawtv(1), motv(1),
xawtvrc(5)