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2.2 Utility Programs

2.2.1 tv-station-util

NAME
tv-station-util - TV station database query tool
SYNOPSIS
tv-station-util [-v] [-r region] -l
tv-station-util [-v] [-r region] -c tvch
tv-station-util [-v] [-r region] -f freq
tv-station-util -h
DESCRIPTION
Shows region information about mapping between TV station channel and frequency.
OPTIONS
-l
Shows list of defined regions.
-c tvch
Print frequency in kHz of specified TV station channel.
-f freq
Print TV station channel of specified frequency in kHz.
-v
Produce verbose info.
-r region
Specify region to display. If omitted, setting of environment LC_TV is used. If LC_TV is not set, channel number is equal to frequency*16*1000. Valid region names are listed in "SUPPORTED REGIONS" sectio or output of tv-station-util -l.

SUPPORTED REGIONS
Following regions are compiled in (at bt848x-0.3.3 or later):

Region Name Geometrical Area Channel Number Description


za Zambia
1- 8 1-8
21-69 E21-E69, UHF


ca,us North America broadcasting
2-83 2-83ch


ca.irccable, us.irccable North America IRC cable
1-125 1-125ch
127-134 T7-T14


ca.hrccable, us.hrccable North America HRC cable
1-125 1-125ch
127-134 T7-T14


ar Argentina
1-93 1-93ch


weurope West Europe
1 N21
2-12 E2-E12, CCIR-I-III
13-20 ITA-ITH, Italy
21-69 E21-69, UHF
70-72 IA-IC, Ireland
74-76 S01-S03, CCIR-I-III
80-99 SE1-SE20, CCIR-SL-SH
100-120 S21-S41, CCIR-H


eeurope East Europe
1 N21
2-12 E2-E12, CCIR-I-III
13-20 ITA-ITH, Italy
21-69 E21-69, UHF
74-76 S01-S03, CCIR-I-III
80-99 SE1-SE20, CCIR-SL-SH
100-120 S21-S41, CCIR-H
121-132 R1-R12, OIRT-I-III
140-159 SR1-SR19, OIRT-SL-SH


it Italy
11-12 Italy H1-H2
13-20 Italy A-H
21-69 E21-69, UHF


ir Ireland
21-69 E21-69, UHF
70-78 Ireland 0-8 (A-I?)


ru xUSSR
1-69 1-69
70- 77 SK1-SK8
78-107 SK11-SK18, S19-S40


fr France
1-10 K01-K10
21-69 E21-E69, UHF
70-85 KB-KQ
91-109 H01-H19


jp, jp.bcst Japan broadcasting
1-12 VHF 1-12ch
13-62 UHF 13-62ch


jp.cable Japan cable
1-12 VHF 1-12ch
13-63 C13-C63


nz New Zealand
1-11 1-11ch
21-69 E21-E69, UHF


cn China
1-94 1-94ch


au Australia
1-83 1-83ch
84 5A

ENVIRONMENT
LC_TV
Determines mapping between channel number and broadcasting frequency. See description about -r option.
LC_TVFREQ_FINE_TUNE
Fine adjustment for TV tuning in kHz.

EXAMPLE
In Japan, VHF 3ch is broadcasted at 103.250MHz. 
          % tv-station-util -r jp -c 3
          103250
          % tv-station-util -r jp -f 103250
          3
          % sdlview -f `echo '103250 * 16 / 1000' | bc`

2.2.2 gtk-v4lctl

NAME
gtk-v4l - GUI controller of Video4Linux video capture device
SYNOPSIS
gtk-v4lctl [-d device] [-R region]
DESCRIPTION
Controls Video4Linux video capture device characteristics. Controllable values are: "tuning frequency", "video channel", "norm", "brightness", "hue", "colour", "contrast", "volume", "bass", "treble", "balance". Due to lack of card function, not all value is meaningful.
OPTIONS
-d device
Specifies video capture device. Default is /dev/video0
-R region
Select region. See tv-station-util.

ENVIRONMENT
LC_TV
determines TV station frequency mapping. See tv-station-util.
LC_TVFREQ_FINE_TUNE
fine adjustment for TV tuning in kHz.

2.2.3 tune_radio

NAME
tune_radio - tune radio for Video4Linux video capture device
SYNOPSIS
tune_radio [-d device] [-f freq] [-m] [-A]
DESCRIPTION
Tunes radio for Video4Linux video capture device.
OPTIONS
-d device
Specify radio device. Default device is /dev/radio0
-f freq
Specify tuning frequency in MHz.
-m
Mute radio device and exit. With -A option, mute monitor of system audio input too.
-A
Initialize system audio (not radio device). This enables monitor of audio input, input from line-in, output to line-out.