1 /*****************************************************************************
2 * plugins.c : Dynamic plugin management functions
3 *****************************************************************************
4 * Copyright (C) 1999, 2000 VideoLAN
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
21 *****************************************************************************/
24 #include <stdlib.h> /* free(), strtol() */
25 #include <stdio.h> /* sprintf() */
27 #if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
28 #include <dlfcn.h> /* dlopen(), dlsym(), dlclose() */
30 #elif defined(HAVE_IMAGE_H) /* BeOS */
34 #error no dynamic plugins available on your system !
38 #include "beos_specific.h"
43 #define PLUGIN_PATH_COUNT 5
45 int RequestPlugin ( plugin_id_t * p_plugin, char * psz_mask, char * psz_name )
47 int i_count, i_length;
49 char * psz_plugin_path[ PLUGIN_PATH_COUNT ] =
52 "plugins/aout", "plugins/vout", "plugins/intf", /* these ones should disappear */
56 i_length = strlen( psz_mask ) + strlen( psz_name );
58 for ( i_count = 0 ; i_count < PLUGIN_PATH_COUNT ; i_count++ )
61 char * psz_program_path;
63 psz_program_path = beos_GetProgramPath();
64 psz_plugin = malloc( strlen(psz_plugin_path[i_count]) + strlen(psz_program_path) + i_length + 6 );
65 sprintf( psz_plugin, "%s/%s/%s_%s.so", psz_program_path, psz_plugin_path[i_count], psz_mask, psz_name );
67 psz_plugin = malloc( strlen(psz_plugin_path[i_count]) + i_length + 6 );
68 sprintf( psz_plugin, "%s/%s_%s.so", psz_plugin_path[i_count], psz_mask, psz_name );
71 #if defined(HAVE_DLFCN_H)
72 *p_plugin = dlopen( psz_plugin, RTLD_NOW | RTLD_GLOBAL );
73 #elif defined(HAVE_IMAGE_H)
74 *p_plugin = load_add_on( psz_plugin );
79 #if defined(HAVE_DLFCN_H)
80 if( *p_plugin != NULL )
81 #elif defined(HAVE_IMAGE_H)
92 void TrashPlugin ( plugin_id_t plugin )
94 #if defined(HAVE_DLFCN_H)
96 #elif defined(HAVE_IMAGE_H)
97 unload_add_on( plugin );
101 void * GetPluginFunction ( plugin_id_t plugin, char *psz_name )
103 #if defined(HAVE_DLFCN_H)
104 return( dlsym(plugin, psz_name) );
105 #elif defined(HAVE_IMAGE_H)
107 if( get_image_symbol( plugin, psz_name, B_SYMBOL_TYPE_TEXT, &p_func ) )