module.c File Reference

#include "module_wrap.h"
#include <gpac/config_file.h>
#include <gpac/tools.h>
#include <gpac/network.h>
#include <gpac/modules/video_out.h>
#include <gpac/modules/audio_out.h>
#include <gpac/modules/font.h>

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Macros
#define	LOAD_PLUGIN(__name)

Functions
static void	load_all_modules (GF_ModuleManager *mgr)
GF_EXPORT GF_Err	gf_module_load_static (GF_InterfaceRegister *(*register_module)())
	load a static module given its interface function
u32	gf_modules_refresh (GF_ModuleManager *pm)
static void	gf_modules_check_load ()
void	gf_modules_refresh_module_directories ()
void	gf_modules_new (GF_Config *config)
	module manager construtcor
void	gf_module_reload_dirs ()
void	gf_modules_del ()
	module manager destructor
Bool	gf_module_is_loaded (GF_ModuleManager *pm, char *filename)
GF_EXPORT u32	gf_modules_count ()
	get module count
GF_EXPORT GF_BaseInterface *	gf_modules_load (u32 whichplug, u32 InterfaceFamily)
	loads an interface
void *	gf_modules_load_filter (u32 whichplug, void *fsess)
	filter module load
GF_EXPORT GF_BaseInterface *	gf_modules_load_by_name (const char *plug_name, u32 InterfaceFamily, Bool rebrowse_all)
	loads an interface by module name
GF_EXPORT GF_Err	gf_modules_close_interface (GF_BaseInterface *ifce)
	interface shutdown
GF_EXPORT const char *	gf_modules_get_file_name (u32 i)
	get module file name
GF_EXPORT const char *	gf_module_get_file_name (GF_BaseInterface *ifce)
	get module file name
static Bool	module_check_ifce (GF_BaseInterface *ifce, u32 ifce_type)
GF_BaseInterface *	gf_module_load (u32 ifce_type, const char *name)
	module load
GF_EXPORT const char *	gf_module_get_key (GF_BaseInterface *dr, char *key_name)
	query module option
GF_EXPORT Bool	gf_module_get_bool (GF_BaseInterface *dr, char *key_name)
	query module option as boolean
GF_EXPORT Bool	gf_module_get_int (GF_BaseInterface *dr, char *key_name)
	query module option as int

Variables
GF_ModuleManager *	gpac_modules_static = NULL

Macro Definition Documentation

LOAD_PLUGIN

#define LOAD_PLUGIN

(

__name

)

Value:

        { \
        GF_InterfaceRegister *gf_register_module_##__name();    \
        pr = gf_register_module_##__name();\
        if (!pr) {\
                GF_LOG(GF_LOG_ERROR, GF_LOG_CORE, ("Failed to statically load module ##__name\n"));\
        } else {\
                gf_list_add(mgr->plugin_registry, pr);  \
        }       \
        }

Function Documentation

load_all_modules()

static void load_all_modules ( GF_ModuleManager *  mgr )

static

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gf_module_load_static()

GF_EXPORT GF_Err gf_module_load_static

(

GF_InterfaceRegister *(*)()

register_module

)

load a static module given its interface function

Parameters

register_module

the register interface function

Returns

error if any

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gf_modules_refresh()

u32 gf_modules_refresh

(

GF_ModuleManager *

pm

)

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gf_modules_check_load()

static void gf_modules_check_load ( )

static

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gf_modules_refresh_module_directories()

void gf_modules_refresh_module_directories

(

)

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gf_modules_new()

void gf_modules_new

(

GF_Config *

config

)

module manager construtcor

Constructs a module manager object.

Parameters

config

GPAC configuration file handle. If this is NULL, the modules won't be able to share the configuration file with the rest of the GPAC framework.

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gf_module_reload_dirs()

void gf_module_reload_dirs

(

)

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gf_modules_del()

void gf_modules_del

(

)

module manager destructor

Destroys the module manager

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gf_module_is_loaded()

Bool gf_module_is_loaded	(	GF_ModuleManager *	pm,
		char *	filename
	)

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gf_modules_count()

GF_EXPORT u32 gf_modules_count

(

)

get module count

Gets the number of modules found in the manager directory

Returns

the number of loaded modules

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gf_modules_load()

GF_EXPORT GF_BaseInterface * gf_modules_load	(	u32	index,
		u32	InterfaceFamily
	)

loads an interface

Loads an interface in the desired module.

Parameters

index	the 0-based index of the module to load the interface from
InterfaceFamily	type of the interface to load

Returns

the interface object if found and loaded, NULL otherwise.

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gf_modules_load_filter()

void * gf_modules_load_filter	(	u32	index,
		void *	fsess
	)

filter module load

Loads a filter module (not using GF_BaseInterface) from its index. Returns NULL if no such filter.

Parameters

index	index of the filter module to load
fsess	opaque handle passed to the filter loader

Returns

the loaded filter register, or NULL if not found

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gf_modules_load_by_name()

GF_EXPORT GF_BaseInterface * gf_modules_load_by_name	(	const char *	mod_name,
		u32	InterfaceFamily,
		Bool	rebrowse_all
	)

loads an interface by module name

Loads an interface in the desired module

Parameters

mod_name	the name of the module (shared library file) or of the interface as declared when registered.
InterfaceFamily	type of the interface to load
rebrowse_all	if GF_TRUE, locate an interface for this type if not found by name

Returns

the interface object if found and loaded, NULL otherwise.

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gf_modules_close_interface()

GF_EXPORT GF_Err gf_modules_close_interface

(

GF_BaseInterface *

interface_obj

)

interface shutdown

Closes an interface

Parameters

interface_obj

the interface to close

Returns

error if any

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gf_modules_get_file_name()

GF_EXPORT const char * gf_modules_get_file_name

(

u32

index

)

get module file name

Gets a module shared library file name based on its index

Parameters

index

the 0-based index of the module to query

Returns

the name of the shared library module

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gf_module_get_file_name()

GF_EXPORT const char * gf_module_get_file_name

(

GF_BaseInterface *

ifce

)

get module file name

Gets a module shared library file name based on its index

Parameters

ifce	the module instance to query

Returns

the name of the shared library module

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module_check_ifce()

static Bool module_check_ifce ( GF_BaseInterface *  ifce, u32  ifce_type  )

static

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gf_module_load()

GF_BaseInterface * gf_module_load	(	u32	ifce_type,
		const char *	name
	)

module load

Loads a module based on a preferred name. If not found, check for predefined names for the given interface type in fthe global config and loads by predefined name. If still not found, enumerate modules.

Parameters

ifce_type	type of module interface to load
name	name of preferred module

Returns

the loaded module, or NULL if not found

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gf_module_get_key()

GF_EXPORT const char * gf_module_get_key	(	GF_BaseInterface *	ifce,
		char *	key
	)

query module option

Loads a key from config in the module options.

Parameters

ifce	the module instance to query
key	the key to query

Returns

the key value or null

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gf_module_get_bool()

GF_EXPORT Bool gf_module_get_bool	(	GF_BaseInterface *	ifce,
		char *	key_name
	)

query module option as boolean

Loads a boolean key from config in the module options.

Parameters

ifce	the module instance to query
key_name	the key to query

Returns

GF_TRUE if key is found and equals yes, true or 1, GF_FALSE otherwise

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gf_module_get_int()

GF_EXPORT Bool gf_module_get_int	(	GF_BaseInterface *	ifce,
		char *	key_name
	)

query module option as int

Loads an integer key from config in the module options.

Parameters

ifce	the module instance to query
key_name	the key to query

Returns

integer value of key, 0 if not found

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Variable Documentation

gpac_modules_static

GF_ModuleManager* gpac_modules_static = NULL