1 /*****************************************************************************
2 * dvd.c : DVD input module for vlc
3 *****************************************************************************
4 * Copyright (C) 2000 VideoLAN
6 * Authors: Samuel Hocevar <sam@zoy.org>
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 *****************************************************************************/
23 #define MODULE_NAME dvd
25 /*****************************************************************************
27 *****************************************************************************/
30 #include <stdlib.h> /* malloc(), free() */
31 #include <string.h> /* strdup() */
34 #include "common.h" /* boolean_t, byte_t */
39 #include "modules_inner.h"
41 /*****************************************************************************
42 * Build configuration tree.
43 *****************************************************************************/
45 ADD_WINDOW( "Configuration for DVD module" )
46 ADD_COMMENT( "foobar !" )
49 /*****************************************************************************
50 * Capabilities defined in the other files.
51 *****************************************************************************/
52 extern void input_getfunctions( function_list_t * p_function_list );
54 /*****************************************************************************
55 * InitModule: get the module structure and configuration.
56 *****************************************************************************
57 * We have to fill psz_name, psz_longname and psz_version. These variables
58 * will be strdup()ed later by the main application because the module can
59 * be unloaded later to save memory, and we want to be able to access this
60 * data even after the module has been unloaded.
61 *****************************************************************************/
62 int InitModule( module_t * p_module )
64 p_module->psz_name = MODULE_STRING;
65 p_module->psz_longname = "DVD input module";
66 p_module->psz_version = VERSION;
68 p_module->i_capabilities = MODULE_CAPABILITY_NULL
69 | MODULE_CAPABILITY_INPUT;
74 /*****************************************************************************
75 * ActivateModule: set the module to an usable state.
76 *****************************************************************************
77 * This function fills the capability functions and the configuration
78 * structure. Once ActivateModule() has been called, the i_usage can
79 * be set to 0 and calls to NeedModule() be made to increment it. To unload
80 * the module, one has to wait until i_usage == 0 and call DeactivateModule().
81 *****************************************************************************/
82 int ActivateModule( module_t * p_module )
84 p_module->p_functions = malloc( sizeof( module_functions_t ) );
85 if( p_module->p_functions == NULL )
90 input_getfunctions( &p_module->p_functions->input );
92 p_module->p_config = p_config;
97 /*****************************************************************************
98 * DeactivateModule: make sure the module can be unloaded.
99 *****************************************************************************
100 * This function must only be called when i_usage == 0. If it successfully
101 * returns, i_usage can be set to -1 and the module unloaded. Be careful to
102 * lock usage_lock during the whole process.
103 *****************************************************************************/
104 int DeactivateModule( module_t * p_module )
106 free( p_module->p_functions );