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. added the Null Module, the module that does nothing but that is going 

to be of great help for debugging my module code.
This commit is contained in:
Sam Hocevar 2001-01-05 14:24:06 +00:00
parent 32d3e55a6e
commit bcaed52cad
4 changed files with 275 additions and 154 deletions
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8
Makefile.in
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@ -314,6 +314,8 @@ PLUGIN_SDL = plugins/sdl/sdl.o \
# plugins/sdl/video_yuv.o \
# plugins/sdl/video_yuvall.o
PLUGIN_NULL = plugins/null/null.o
PLUGIN_GLIDE = plugins/glide/glide.o \
plugins/glide/intf_glide.o \
plugins/glide/vout_glide.o
@ -363,7 +365,8 @@ STD_PLUGIN_OBJ =$(PLUGIN_BEOS) \
$(PLUGIN_YUV) \
$(PLUGIN_YUVMMX) \
$(PLUGIN_SDL) \
$(PLUGIN_ALSA)
$(PLUGIN_ALSA) \
$(PLUGIN_NULL)
#
# Other lists of files
@ -502,6 +505,9 @@ lib/dsp.so: $(PLUGIN_DSP)
lib/alsa.so: $(PLUGIN_ALSA)
$(CC) -shared -o $@ $^
lib/null.so: $(PLUGIN_NULL)
$(CC) -shared -o $@ $^
lib/dummy.so: $(PLUGIN_DUMMY)
$(CC) -shared -o $@ $^

314
configure vendored
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File diff suppressed because it is too large Load Diff

3
configure.in
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@ -116,6 +116,9 @@ AC_ARG_ENABLE(sdl,
AC_ARG_ENABLE(glide,
[ --enable-glide Glide (3dfx) support (default disabled)],
[if test x$enable_glide = xyes; then PLUGINS=${PLUGINS}"glide "; fi])
AC_ARG_ENABLE(null,
[ --enable-null Null plugin (default disabled)],
[if test x$enable_null = xyes; then PLUGINS=${PLUGINS}"null "; fi])
AC_ARG_ENABLE(gnome,
[ --enable-gnome Gnome support (default disabled)],
[if test x$enable_gnome = xyes; then PLUGINS=${PLUGINS}"gnome "; ALIASES=${ALIASES}"gvlc "; fi])

104
plugins/null/null.c Normal file
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@ -0,0 +1,104 @@
/*****************************************************************************
* null.c : NULL module for vlc
*****************************************************************************
* Copyright (C) 2000 VideoLAN
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#define MODULE_NAME null
/*****************************************************************************
* Preamble
*****************************************************************************/
#include "defs.h"
#include <stdlib.h> /* malloc(), free() */
#include <string.h> /* strdup() */
#include "config.h"
#include "common.h" /* boolean_t, byte_t */
#include "threads.h"
#include "mtime.h"
#include "tests.h"
#include "modules.h"
#include "modules_inner.h"
#include "modules_config.h"
/*****************************************************************************
* Build configuration tree.
*****************************************************************************/
MODULE_CONFIG_START( "Configuration for null module" )
ADD_PANE( "First" )
ADD_FRAME( "First test" )
ADD_COMMENT( "You can put whatever you want here." )
ADD_STRING( "Random text: ", MODULE_VAR(text), NULL )
ADD_FRAME( "Second test" )
ADD_COMMENT( "The file below is not used." )
ADD_FILE( "Select file: ", MODULE_VAR(file), NULL )
ADD_FRAME( "Third test" )
ADD_COMMENT( "This space intentionally left blank." )
ADD_PANE( "Second" )
ADD_FRAME( "NULL Frame" )
ADD_COMMENT( "There is nothing in this frame." )
MODULE_CONFIG_END
/*****************************************************************************
* InitModule: get the module structure and configuration.
*****************************************************************************
* We have to fill psz_name, psz_longname and psz_version. These variables
* will be strdup()ed later by the main application because the module can
* be unloaded later to save memory, and we want to be able to access this
* data even after the module has been unloaded.
*****************************************************************************/
int InitModule( module_t * p_module )
{
p_module->psz_name = MODULE_STRING;
p_module->psz_longname = "the Null Module that does nothing";
p_module->psz_version = VERSION;
p_module->i_capabilities = MODULE_CAPABILITY_NULL;
return( 0 );
}
/*****************************************************************************
* ActivateModule: set the module to an usable state.
*****************************************************************************
* This function fills the capability functions and the configuration
* structure. Once ActivateModule() has been called, the i_usage can
* be set to 0 and calls to NeedModule() be made to increment it. To unload
* the module, one has to wait until i_usage == 0 and call DeactivateModule().
*****************************************************************************/
int ActivateModule( module_t * p_module )
{
p_module->p_config = p_config;
return( 0 );
}
/*****************************************************************************
* DeactivateModule: make sure the module can be unloaded.
*****************************************************************************
* This function must only be called when i_usage == 0. If it successfully
* returns, i_usage can be set to -1 and the module unloaded. Be careful to
* lock usage_lock during the whole process.
*****************************************************************************/
int DeactivateModule( module_t * p_module )
{
return( 0 );
}