include/vlc_modules.h

   1 /*****************************************************************************
   2  * modules.h : Module descriptor and load functions
   3  *****************************************************************************
   4  * Copyright (C) 2001 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /**
  25  * \file
  26  * This file defines functions for modules in vlc
  27  */
  28
  29 /*****************************************************************************
  30  * Exported functions.
  31  *****************************************************************************/
  32
  33 VLC_EXPORT( module_t *, module_need, ( vlc_object_t *, const char *, const char *, bool ) );
  34 #define module_need(a,b,c,d) module_need(VLC_OBJECT(a),b,c,d)
  35 VLC_EXPORT( void, module_unneed, ( vlc_object_t *, module_t * ) );
  36 #define module_unneed(a,b) module_unneed(VLC_OBJECT(a),b)
  37 VLC_EXPORT( bool,  module_exists, (const char *) );
  38 VLC_EXPORT( module_t *, module_find, (const char *) );
  39
  40 int module_start(vlc_object_t *, module_t *);
  41 #define module_start(o, m) module_start(VLC_OBJECT(o),m)
  42 void module_stop(vlc_object_t *, module_t *);
  43 #define module_stop(o, m) module_stop(VLC_OBJECT(o),m)
  44
  45 VLC_EXPORT( module_config_t *, module_config_get, ( const module_t *, unsigned * ) );
  46 VLC_EXPORT( void, module_config_free, ( module_config_t * ) );
  47
  48 VLC_EXPORT( module_t *, module_hold, (module_t *module) );
  49 VLC_EXPORT( void, module_release, (module_t *module) );
  50 VLC_EXPORT( void, module_list_free, (module_t **) );
  51 VLC_EXPORT( module_t **, module_list_get, (size_t *n) );
  52
  53 VLC_EXPORT( bool, module_provides, ( const module_t *m, const char *cap ) );
  54 VLC_EXPORT( const char *, module_get_object, ( const module_t *m ) );
  55 VLC_EXPORT( const char *, module_get_name, ( const module_t *m, bool long_name ) );
  56 #define module_GetLongName( m ) module_get_name( m, true )
  57 VLC_EXPORT( const char *, module_get_help, ( const module_t *m ) );
  58 VLC_EXPORT( const char *, module_get_capability, ( const module_t *m ) );
  59 VLC_EXPORT( int, module_get_score, ( const module_t *m ) );
  60 VLC_EXPORT( const char *, module_gettext, ( const module_t *, const char * ) );
  61
  62 static inline module_t *module_get_main (void)
  63 {
  64     return module_find ("main");
  65 }
  66 #define module_get_main(a) module_get_main()
  67
  68 static inline bool module_is_main( const module_t * p_module )
  69 {
  70     return !strcmp( module_get_object( p_module ), "main" );
  71 }