mirror of
https://code.videolan.org/videolan/vlc
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4f551c2bf0
* Fixes to aout_darwin.c by Colin Delacroix <colin@zoy.org>.
* Fixes to configure.in, Makefile.in and main.c (Altivec detection)
by Eugenio Jarosiewicz <ej0@cise.ufl.edu>.
* Added Colin and Eugenio to the AUTHORS file.
111 lines
4.6 KiB
C
111 lines
4.6 KiB
C
/*****************************************************************************
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* null.c : NULL module for vlc
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*****************************************************************************
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* Copyright (C) 2000 VideoLAN
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* $Id: null.c,v 1.6 2001/03/21 13:42:34 sam Exp $
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*
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* Authors: Samuel Hocevar <sam@zoy.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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#define MODULE_NAME null
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#include "defs.h"
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#include <stdlib.h> /* malloc(), free() */
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#include <string.h> /* strdup() */
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#include "config.h"
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#include "common.h" /* boolean_t, byte_t */
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#include "threads.h"
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#include "mtime.h"
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#include "modules.h"
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#include "modules_inner.h"
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/*****************************************************************************
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* Build configuration tree.
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*****************************************************************************/
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MODULE_CONFIG_START
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ADD_WINDOW( "Configuration for null module" )
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ADD_PANE( "First pane" )
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ADD_FRAME( "First frame" )
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ADD_COMMENT( "You can put whatever you want here." )
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ADD_STRING( "Random text: ", MODULE_VAR(text), NULL )
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ADD_FRAME( "Second frame" )
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ADD_COMMENT( "The file below is not used." )
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ADD_FILE( "Select file: ", MODULE_VAR(file), NULL )
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ADD_FRAME( "Third frame" )
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ADD_COMMENT( "This space intentionally left blank." )
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ADD_PANE( "Second pane" )
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ADD_FRAME( "Frame" )
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ADD_COMMENT( "There is nothing in this frame." )
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MODULE_CONFIG_END
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/*****************************************************************************
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* InitModule: get the module structure and configuration.
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*****************************************************************************
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* We have to fill psz_name, psz_longname and psz_version. These variables
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* will be strdup()ed later by the main application because the module can
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* be unloaded later to save memory, and we want to be able to access this
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* data even after the module has been unloaded.
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*****************************************************************************/
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MODULE_INIT
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{
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p_module->psz_name = MODULE_STRING;
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p_module->psz_longname = "the Null module that does nothing";
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p_module->psz_version = VERSION;
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p_module->i_capabilities = MODULE_CAPABILITY_NULL;
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return( 0 );
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}
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/*****************************************************************************
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* ActivateModule: set the module to an usable state.
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*****************************************************************************
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* This function fills the capability functions and the configuration
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* structure. Once ActivateModule() has been called, the i_usage can
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* be set to 0 and calls to NeedModule() be made to increment it. To unload
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* the module, one has to wait until i_usage == 0 and call DeactivateModule().
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*****************************************************************************/
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MODULE_ACTIVATE
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{
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/* Since the Null module can't do anything, there is no need to
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* fill the p_functions structure. */
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p_module->p_functions = NULL;
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p_module->p_config = p_config;
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return( 0 );
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}
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/*****************************************************************************
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* DeactivateModule: make sure the module can be unloaded.
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*****************************************************************************
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* This function must only be called when i_usage == 0. If it successfully
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* returns, i_usage can be set to -1 and the module unloaded. Be careful to
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* lock usage_lock during the whole process.
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*****************************************************************************/
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MODULE_DEACTIVATE
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{
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/* We didn't allocate p_functions - so we don't have to free it */
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return( 0 );
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}
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