1 /*****************************************************************************
2 * mga.c : Matrox Graphic Array plugin for vlc
3 *****************************************************************************
4 * Copyright (C) 2000, 2001 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 mga
24 #include "modules_inner.h"
26 /*****************************************************************************
28 *****************************************************************************/
31 #include <stdlib.h> /* malloc(), free() */
34 #include "common.h" /* boolean_t, byte_t */
39 #include "video_output.h"
43 /*****************************************************************************
44 * Building configuration tree
45 *****************************************************************************/
47 ADD_WINDOW( "Configuration for MGA module" )
48 ADD_COMMENT( "For now, the MGA module cannot be configured" )
51 /*****************************************************************************
52 * Capabilities defined in the other files.
53 ******************************************************************************/
54 void _M( vout_getfunctions )( function_list_t * p_function_list );
56 /*****************************************************************************
57 * InitModule: get the module structure and configuration.
58 *****************************************************************************
59 * We have to fill psz_name, psz_longname and psz_version. These variables
60 * will be strdup()ed later by the main application because the module can
61 * be unloaded later to save memory, and we want to be able to access this
62 * data even after the module has been unloaded.
63 *****************************************************************************/
66 p_module->psz_name = MODULE_STRING;
67 p_module->psz_longname = "Matrox Graphic Array module";
68 p_module->psz_version = VERSION;
70 p_module->i_capabilities = MODULE_CAPABILITY_NULL
71 | MODULE_CAPABILITY_VOUT;
76 /*****************************************************************************
77 * ActivateModule: set the module to an usable state.
78 *****************************************************************************
79 * This function fills the capability functions and the configuration
80 * structure. Once ActivateModule() has been called, the i_usage can
81 * be set to 0 and calls to NeedModule() be made to increment it. To unload
82 * the module, one has to wait until i_usage == 0 and call DeactivateModule().
83 *****************************************************************************/
86 p_module->p_functions = malloc( sizeof( module_functions_t ) );
87 if( p_module->p_functions == NULL )
92 _M( vout_getfunctions )( &p_module->p_functions->vout );
94 p_module->p_config = p_config;
99 /*****************************************************************************
100 * DeactivateModule: make sure the module can be unloaded.
101 *****************************************************************************
102 * This function must only be called when i_usage == 0. If it successfully
103 * returns, i_usage can be set to -1 and the module unloaded. Be careful to
104 * lock usage_lock during the whole process.
105 *****************************************************************************/
108 free( p_module->p_functions );