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Langue: en

Version: 43811 (openSuse - 09/10/07)

Section: 1 (Commandes utilisateur)


zvbi-chains - VBI proxy wrapper


zvbi-chains [ options ]


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.


-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.
Print a short description of all command line options.


zvbid(1), v4l-conf(8) (homepage)


Tom Zoerner (tomzo AT 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.

Si l'expérience usuelle ne nous présentait pas les divers phénomènes
de la poussière , il est à présumer que l'atomisme n'eût pas reçu des
philosophes une adhésion si prompte et qu'il n'eût pas connu un destin
si facilement renouvelé.
-+- Gaston Bachelard -+-