Usr_Video

SUMMARY

Video - Display Video

SYNTAX

Usr_Video(<Channel-Number>)

ARGUMENTS

Channel-Number
selected by the TV-board

DESCRIPTION

Videos are shown in the runtime environment.

A “Hauppaugge WinTV” Multimedia Board must be mounted in the PC.


Example of an automated application:
An installation of 6 Diesel engines is monitored by video cameras – an engine related alarm is assigned to a channel number, on alarm the appropriate video is fade-in.
The 6 cameras are modulated onto the 6 HF-Channels; the HF-Bus is connected to the antenna entry of the WinTV.

EXAMPLES

Usr_Video(1);Usr_ExecShellCmd(open,AvVideo.exe,,,SW_SHOWNORMAL)
Bound to a button the command opens a window, displaying the video of channel 1 – the program “AvVideo.exe” is invoked on Shell-Level.
- See also Usr_ExecShellCmd

Syntax Notation
[aaa]
aaa is optional (zero or one occurences)
(aaa|bbb)
aaa exclusive or bbb
(aaa)*
aaa may occur indefinitely often or may be omitted
(aaa)+
aaa may occur indefinitely often but at least once
(aaa)m..n
aaa may occur from m to n times