vlc_modules.h 3.64 KB
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/*****************************************************************************
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 * vlc_modules.h : Module descriptor and load functions
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 *****************************************************************************
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LGPL  
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 * Copyright (C) 2001-2011 VLC authors and VideoLAN
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 * $Id$
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 *
 * Authors: Samuel Hocevar <sam@zoy.org>
 *
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 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 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,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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 *****************************************************************************/

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#ifndef VLC_MODULES_H
#define VLC_MODULES_H 1

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/**
 * \file
 * This file defines functions for modules in vlc
 */

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typedef int (*vlc_activate_t)(void *func, va_list args);
typedef void (*vlc_deactivate_t)(void *func, va_list args);

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/*****************************************************************************
 * Exported functions.
 *****************************************************************************/
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VLC_API module_t * vlc_module_load( vlc_object_t *obj, const char *cap, const char *name, bool strict, vlc_activate_t probe, ... ) VLC_USED;
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#define vlc_module_load(o,c,n,s,...) \
        vlc_module_load(VLC_OBJECT(o),c,n,s,__VA_ARGS__)
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VLC_API void vlc_module_unload( vlc_object_t *obj, module_t *,
                                vlc_deactivate_t deinit, ... );
#define vlc_module_unload(o,m,d,...) \
        vlc_module_unload(VLC_OBJECT(o),m,d,__VA_ARGS__)
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VLC_API module_t * module_need( vlc_object_t *, const char *, const char *, bool ) VLC_USED;
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#define module_need(a,b,c,d) module_need(VLC_OBJECT(a),b,c,d)
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VLC_API void module_unneed( vlc_object_t *, module_t * );
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#define module_unneed(a,b) module_unneed(VLC_OBJECT(a),b)
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VLC_API bool module_exists(const char *) VLC_USED;
VLC_API module_t * module_find(const char *) VLC_USED;
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int module_start(vlc_object_t *, const module_t *);
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#define module_start(o, m) module_start(VLC_OBJECT(o),m)
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void module_stop(vlc_object_t *, const module_t *);
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#define module_stop(o, m) module_stop(VLC_OBJECT(o),m)
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VLC_API module_config_t * module_config_get( const module_t *, unsigned * ) VLC_USED;
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VLC_API void module_config_free( module_config_t * );
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VLC_API void module_list_free(module_t **);
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VLC_API module_t ** module_list_get(size_t *n) VLC_USED;
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VLC_API bool module_provides( const module_t *m, const char *cap );
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VLC_API const char * module_get_object( const module_t *m ) VLC_USED;
VLC_API const char * module_get_name( const module_t *m, bool long_name ) VLC_USED;
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#define module_GetLongName( m ) module_get_name( m, true )
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VLC_API const char * module_get_help( const module_t *m ) VLC_USED;
VLC_API const char * module_get_capability( const module_t *m ) VLC_USED;
VLC_API int module_get_score( const module_t *m ) VLC_USED;
VLC_API const char * module_gettext( const module_t *, const char * ) VLC_USED;
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VLC_USED static inline module_t *module_get_main (void)
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{
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    return module_find ("core");
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}
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#define module_get_main(a) module_get_main()
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VLC_USED static inline bool module_is_main( const module_t * p_module )
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{
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    return !strcmp( module_get_object( p_module ), "core" );
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}
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#endif /* VLC_MODULES_H */