zvbi-chains

Section: VBI proxy wrapper (1)
Updated:
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NAME

zvbi-chains - VBI proxy wrapper  

SYNOPSIS

zvbi-chains [ options ]  

DESCRIPTION

zvbi-chains is a small wrapper which executes the VBI application given on the command line while overloading several C library calls (such as open(2) and read(2)) so that the application can be forced to access VBI devices via the VBI proxy instead of device files directly.

LD_PRELOAD is used to intercept C library calls and call functions in the libzvbi-chain shared library instead. Parameters given on the command line (e.g. device path) are passed to the library by means of environment variables.  

OPTIONS

-dev path
Path of a VBI device from which to read data.
-debug level
Enables debug output: 0 = off (default); 1 = warnings, 2 = all messages.
-help
Print a short description of all command line options.

 

SEE ALSO

zvbid(1), v4l-conf(8)
http://zapping.sourceforge.net/ (homepage)  

AUTHOR

Tom Zoerner (tomzo AT users.sourceforge.net)  

COPYRIGHT

Copyright (C) 2003, 2004 Tom Zoerner

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
SEE ALSO
AUTHOR
COPYRIGHT
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