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2799d36bc8
* ./mozilla/vlcplugin.cpp: javascript support for the Mozilla plugin. * debian/rules: the A52 module is now in a separate package.
165 lines
8.7 KiB
C
165 lines
8.7 KiB
C
/*****************************************************************************
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* modules_inner.h : Macros used from within a module.
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*****************************************************************************
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* Copyright (C) 2001 VideoLAN
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* $Id: modules_inner.h,v 1.32 2002/09/30 11:05:33 sam Exp $
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*
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* Authors: Samuel Hocevar <sam@zoy.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* If we are not within a module, assume we're in the vlc core.
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*****************************************************************************/
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#if !defined( __PLUGIN__ ) && !defined( __BUILTIN__ )
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# define MODULE_NAME main
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#endif
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/*****************************************************************************
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* Add a few defines. You do not want to read this section. Really.
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*****************************************************************************/
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/* Explanation:
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*
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* if user has #defined MODULE_NAME foo, then we will need:
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* #define MODULE_STRING "foo"
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*
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* and, if __BUILTIN__ is set, we will also need:
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* #define MODULE_FUNC( zog ) module_foo_zog
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*
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* this can't easily be done with the C preprocessor, thus a few ugly hacks.
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*/
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/* I can't believe I need to do this to change « foo » to « "foo" » */
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#define STRINGIFY( z ) UGLY_KLUDGE( z )
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#define UGLY_KLUDGE( z ) #z
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/* And I need to do _this_ to change « foo bar » to « module_foo_bar » ! */
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#define CONCATENATE( y, z ) CRUDE_HACK( y, z )
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#define CRUDE_HACK( y, z ) y##__##z
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/* If the module is built-in, then we need to define foo_InitModule instead
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* of InitModule. Same for Activate- and DeactivateModule. */
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#if defined( __BUILTIN__ )
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# define E_( function ) CONCATENATE( function, MODULE_NAME )
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# define __VLC_SYMBOL( symbol ) CONCATENATE( symbol, MODULE_NAME )
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# define DECLARE_SYMBOLS struct _u_n_u_s_e_d_
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# define STORE_SYMBOLS struct _u_n_u_s_e_d_
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#elif defined( __PLUGIN__ )
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# define E_( function ) function
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# define __VLC_SYMBOL( symbol ) CONCATENATE( symbol, MODULE_SYMBOL )
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# define DECLARE_SYMBOLS module_symbols_t* p_symbols
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# define STORE_SYMBOLS p_symbols = p_module->p_symbols
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#endif
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#if defined( __cplusplus )
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# define EXTERN_SYMBOL extern "C"
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#else
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# define EXTERN_SYMBOL
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#endif
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#define MODULE_STRING STRINGIFY( MODULE_NAME )
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/*
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* InitModule: this function is called once and only once, when the module
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* is looked at for the first time. We get the useful data from it, for
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* instance the module name, its shortcuts, its capabilities... we also create
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* a copy of its config because the module can be unloaded at any time.
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*/
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#define vlc_module_begin( ) \
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DECLARE_SYMBOLS; \
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EXTERN_SYMBOL int __VLC_SYMBOL(vlc_entry) ( module_t *p_module ) \
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{ \
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int i_shortcut = 1, i_config = 0; \
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module_config_t p_config[ 100 ]; \
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STORE_SYMBOLS; \
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p_module->b_submodule = VLC_FALSE; \
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p_module->b_unloadable = VLC_TRUE; \
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p_module->b_reentrant = VLC_TRUE; \
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p_module->psz_object_name = MODULE_STRING; \
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p_module->psz_longname = MODULE_STRING; \
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p_module->pp_shortcuts[ 0 ] = MODULE_STRING; \
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p_module->i_cpu = 0; \
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p_module->psz_program = NULL; \
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p_module->psz_capability = ""; \
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p_module->i_score = 1; \
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p_module->pf_activate = NULL; \
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p_module->pf_deactivate = NULL; \
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{ \
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module_t *p_submodule = p_module /* the ; gets added */
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#define vlc_module_end( ) \
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p_submodule->pp_shortcuts[ i_shortcut ] = NULL; \
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} \
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{ \
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module_config_t tmp = { CONFIG_HINT_END, NULL, NULL, '\0' }; \
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p_config[ i_config ] = tmp; \
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} \
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config_Duplicate( p_module, p_config ); \
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if( p_module->p_config == NULL ) \
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{ \
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return -1; \
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} \
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return 0 && i_shortcut; \
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} \
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int __VLC_SYMBOL(vlc_entry) ( module_t * ) /* the ; gets added */
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#define add_submodule( ) \
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p_submodule->pp_shortcuts[ i_shortcut ] = NULL; \
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p_submodule = \
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(module_t *)vlc_object_create( p_module, VLC_OBJECT_MODULE ); \
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vlc_object_attach( p_submodule, p_module ); \
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p_submodule->b_submodule = VLC_TRUE; \
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/* Nuahahaha! Heritage! Polymorphism! Ugliness!! */ \
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for( i_shortcut = 0; p_module->pp_shortcuts[ i_shortcut ]; i_shortcut++ ) \
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{ \
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p_submodule->pp_shortcuts[ i_shortcut ] = \
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p_module->pp_shortcuts[ i_shortcut ]; \
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} \
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p_submodule->psz_object_name = p_module->psz_object_name; \
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p_submodule->psz_longname = p_module->psz_longname; \
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p_submodule->psz_program = p_module->psz_program; \
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p_submodule->psz_capability = p_module->psz_capability; \
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p_submodule->i_score = p_module->i_score; \
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p_submodule->i_cpu = p_module->i_cpu; \
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p_submodule->pf_activate = NULL; \
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p_submodule->pf_deactivate = NULL
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#define add_requirement( cap ) \
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p_module->i_cpu |= CPU_CAPABILITY_##cap
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#define add_shortcut( shortcut ) \
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p_submodule->pp_shortcuts[ i_shortcut ] = shortcut; \
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i_shortcut++
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#define set_description( desc ) \
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p_submodule->psz_longname = desc
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#define set_capability( cap, score ) \
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p_submodule->psz_capability = cap; \
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p_submodule->i_score = score
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#define set_program( program ) \
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p_submodule->psz_program = program
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#define set_callbacks( activate, deactivate ) \
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p_submodule->pf_activate = activate; \
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p_submodule->pf_deactivate = deactivate
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#define linked_with_a_crap_library_which_uses_atexit( ) \
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p_module->b_unloadable = VLC_FALSE
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