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vlc/include/vlc_variables.h

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/*****************************************************************************
* vlc_variables.h: variables handling
*****************************************************************************
* Copyright (C) 2002-2004 VLC authors and VideoLAN
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Gildas Bazin <gbazin@netcourrier.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_VARIABLES_H
#define VLC_VARIABLES_H 1
/**
* \defgroup variables Variables
* \ingroup vlc_object
*
* VLC object variables and callbacks
*
* @{
* \file
* VLC object variables and callbacks interface
*/
#define VLC_VAR_TYPE 0x00ff
#define VLC_VAR_CLASS 0x00f0
#define VLC_VAR_FLAGS 0xff00
/**
* \defgroup var_type Variable types
* These are the different types a vlc variable can have.
* @{
*/
#define VLC_VAR_VOID 0x0010
#define VLC_VAR_BOOL 0x0020
#define VLC_VAR_INTEGER 0x0030
#define VLC_VAR_STRING 0x0040
#define VLC_VAR_FLOAT 0x0050
#define VLC_VAR_ADDRESS 0x0070
#define VLC_VAR_COORDS 0x00A0
/**@}*/
/** \defgroup var_flags Additive flags
* These flags are added to the type field of the variable. Most as a result of
* a var_Change() call, but some may be added at creation time
* @{
*/
#define VLC_VAR_HASCHOICE 0x0100
#define VLC_VAR_ISCOMMAND 0x2000
/** Creation flag */
/* If the variable is not found on the current module
search all parents and finally module config until found */
#define VLC_VAR_DOINHERIT 0x8000
/**@}*/
/**
* \defgroup var_action Variable actions
* These are the different actions that can be used with var_Change().
* The parameters given are the meaning of the two last parameters of
* var_Change() when this action is being used.
* @{
*/
#define VLC_VAR_SETSTEP 0x0012
/**
* Set the value of this variable without triggering any callbacks
* \param p_val The new value
* \param p_val2 Unused
*/
#define VLC_VAR_SETVALUE 0x0013
#define VLC_VAR_SETTEXT 0x0014
#define VLC_VAR_GETTEXT 0x0015
#define VLC_VAR_GETMIN 0x0016
#define VLC_VAR_GETMAX 0x0017
#define VLC_VAR_GETSTEP 0x0018
#define VLC_VAR_ADDCHOICE 0x0020
#define VLC_VAR_DELCHOICE 0x0021
#define VLC_VAR_CLEARCHOICES 0x0022
#define VLC_VAR_GETCHOICES 0x0024
#define VLC_VAR_CHOICESCOUNT 0x0026
#define VLC_VAR_SETMINMAX 0x0027
/**@}*/
/**
* Variable actions.
*
* These are the different actions that can be used with var_GetAndSet().
*/
enum vlc_var_atomic_op {
VLC_VAR_BOOL_TOGGLE, /**< Invert a boolean value (param ignored) */
VLC_VAR_INTEGER_ADD, /**< Add parameter to an integer value */
VLC_VAR_INTEGER_OR, /**< Binary OR over an integer bits field */
VLC_VAR_INTEGER_NAND,/**< Binary NAND over an integer bits field */
};
/**
* VLC value structure
*/
typedef union
{
int64_t i_int;
bool b_bool;
float f_float;
char * psz_string;
void * p_address;
struct { int32_t x; int32_t y; } coords;
} vlc_value_t;
/*****************************************************************************
* Variable callbacks: called when the value is modified
*****************************************************************************/
typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */
char const *, /* variable name */
vlc_value_t, /* old value */
vlc_value_t, /* new value */
void * ); /* callback data */
/*****************************************************************************
* List callbacks: called when elements are added/removed from the list
*****************************************************************************/
typedef int ( * vlc_list_callback_t ) ( vlc_object_t *, /* variable's object */
char const *, /* variable name */
int, /* VLC_VAR_* action */
vlc_value_t *, /* new/deleted value */
void *); /* callback data */
/**
* Creates a VLC object variable.
*
* This function creates a named variable within a VLC object.
* If a variable already exists with the same name within the same object, its
* reference count is incremented instead.
*
* \param obj Object to hold the variable
* \param name Variable name
* \param type Variable type. Must be one of \ref var_type combined with
* zero or more \ref var_flags
*/
VLC_API int var_Create(vlc_object_t *obj, const char *name, int type);
/**
* Destroys a VLC object variable.
*
* This function decrements the reference count of a named variable within a
* VLC object. If the reference count reaches zero, the variable is destroyed.
*
* \param obj Object holding the variable
* \param name Variable name
*/
VLC_API void var_Destroy(vlc_object_t *obj, const char *name);
/**
* Performs a special action on a variable.
*
* \param obj Object holding the variable
* \param name Variable name
* \param action Action to perform. Must be one of \ref var_action
*/
VLC_API int var_Change(vlc_object_t *obj, const char *name, int action, ...);
/**
* Get the type of a variable.
*
* \see var_type
*
* \return The variable type if it exists
* or 0 if the variable could not be found.
*/
VLC_API int var_Type(vlc_object_t *obj, const char *name) VLC_USED;
/**
* Sets a variable value.
*
* \param obj Object holding the variable
* \param name Variable name
* \param val Variable value to set
*/
VLC_API int var_Set(vlc_object_t *obj, const char *name, vlc_value_t val);
/**
* Gets a variable value.
*
* \param obj Object holding the variable
* \param name Variable name
* \param valp Pointer to a \ref vlc_value_t object to hold the value [OUT]
*/
VLC_API int var_Get(vlc_object_t *obj, const char *name, vlc_value_t *valp);
VLC_API int var_SetChecked( vlc_object_t *, const char *, int, vlc_value_t );
VLC_API int var_GetChecked( vlc_object_t *, const char *, int, vlc_value_t * );
/**
* Perform an atomic read-modify-write of a variable.
*
* \param obj object holding the variable
* \param name variable name
* \param op read-modify-write operation to perform
* (see \ref vlc_var_atomic_op)
* \param value value of the variable after the modification
* \retval VLC_SUCCESS Operation successful
* \retval VLC_ENOENT Variable not found
*
* \bug The modified value is returned rather than the original value.
* As such, the original value cannot be known in the case of non-reversible
* operation such as \ref VLC_VAR_INTEGER_OR and \ref VLC_VAR_INTEGER_NAND.
*/
VLC_API int var_GetAndSet(vlc_object_t *obj, const char *name, int op,
vlc_value_t *value);
/**
* Finds the value of a variable.
*
* If the specified object does not hold a variable with the specified name,
* try the parent object, and iterate until the top of the objects tree. If no
* match is found, the value is read from the configuration.
*/
VLC_API int var_Inherit( vlc_object_t *, const char *, int, vlc_value_t * );
/*****************************************************************************
* Variable callbacks
*****************************************************************************
* int MyCallback( vlc_object_t *p_this,
* char const *psz_variable,
* vlc_value_t oldvalue,
* vlc_value_t newvalue,
* void *p_data);
*****************************************************************************/
/**
* Registers a callback for a variable.
*
* We store a function pointer that will be called upon variable
* modification.
*
* \param obj Object holding the variable
* \param name Variable name
* \param callback Callback function pointer
* \param opaque Opaque data pointer for use by the callback.
*
* \warning The callback function is run in the thread that calls var_Set() on
* the variable. Use proper locking. This thread may not have much
* time to spare, so keep callback functions short.
*
* \bug It is not possible to atomically retrieve the current value and
* register a callback. As a consequence, extreme care must be taken to ensure
* that the variable value cannot change before the callback is registered.
* Failure to do so will result in intractable race conditions.
*/
VLC_API void var_AddCallback(vlc_object_t *obj, const char *name,
vlc_callback_t callback, void *opaque);
/**
* Deregisters a callback from a variable.
*
* The callback and opaque pointer must be supplied again, as the same callback
* function might have been registered more than once.
*/
VLC_API void var_DelCallback(vlc_object_t *obj, const char *name,
vlc_callback_t callback, void *opaque);
/**
* Triggers callbacks on a variable.
*
* This triggers any callbacks registered on the named variable without
* actually modifying the variable value. This is primarily useful for
* variables with \ref VLC_VAR_VOID type (which do not have a value).
*
* \param obj Object holding the variable
* \param name Variable name
*/
VLC_API void var_TriggerCallback(vlc_object_t *obj, const char *name);
/**
* Register a callback for a list variable
*
* The callback is triggered when an element is added/removed from the
* list or when the list is cleared.
*
* See var_AddCallback().
*/
VLC_API void var_AddListCallback( vlc_object_t *, const char *, vlc_list_callback_t, void * );
/**
* Remove a callback from a list variable
*
* See var_DelCallback().
*/
VLC_API void var_DelListCallback( vlc_object_t *, const char *, vlc_list_callback_t, void * );
/*****************************************************************************
* helpers functions
*****************************************************************************/
/**
* Set the value of an integer variable
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
* \param i The new integer value of this variable
*/
static inline int var_SetInteger( vlc_object_t *p_obj, const char *psz_name,
int64_t i )
{
vlc_value_t val;
val.i_int = i;
return var_SetChecked( p_obj, psz_name, VLC_VAR_INTEGER, val );
}
/**
* Set the value of an boolean variable
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
* \param b The new boolean value of this variable
*/
static inline int var_SetBool( vlc_object_t *p_obj, const char *psz_name, bool b )
{
vlc_value_t val;
val.b_bool = b;
return var_SetChecked( p_obj, psz_name, VLC_VAR_BOOL, val );
}
static inline int var_SetCoords( vlc_object_t *obj, const char *name,
int32_t x, int32_t y )
{
vlc_value_t val;
val.coords.x = x;
val.coords.y = y;
return var_SetChecked (obj, name, VLC_VAR_COORDS, val);
}
/**
* Set the value of a float variable
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
* \param f The new float value of this variable
*/
static inline int var_SetFloat( vlc_object_t *p_obj, const char *psz_name, float f )
{
vlc_value_t val;
val.f_float = f;
return var_SetChecked( p_obj, psz_name, VLC_VAR_FLOAT, val );
}
/**
* Set the value of a string variable
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
* \param psz_string The new string value of this variable
*/
static inline int var_SetString( vlc_object_t *p_obj, const char *psz_name, const char *psz_string )
{
vlc_value_t val;
val.psz_string = (char *)psz_string;
return var_SetChecked( p_obj, psz_name, VLC_VAR_STRING, val );
}
/**
* Set the value of a pointer variable
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
* \param ptr The new pointer value of this variable
*/
static inline
int var_SetAddress( vlc_object_t *p_obj, const char *psz_name, void *ptr )
{
vlc_value_t val;
val.p_address = ptr;
return var_SetChecked( p_obj, psz_name, VLC_VAR_ADDRESS, val );
}
/**
* Get an integer value
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED
static inline int64_t var_GetInteger( vlc_object_t *p_obj, const char *psz_name )
{
vlc_value_t val;
if( !var_GetChecked( p_obj, psz_name, VLC_VAR_INTEGER, &val ) )
return val.i_int;
else
return 0;
}
/**
* Get a boolean value
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED
static inline bool var_GetBool( vlc_object_t *p_obj, const char *psz_name )
{
vlc_value_t val; val.b_bool = false;
if( !var_GetChecked( p_obj, psz_name, VLC_VAR_BOOL, &val ) )
return val.b_bool;
else
return false;
}
static inline void var_GetCoords( vlc_object_t *obj, const char *name,
int32_t *px, int32_t *py )
{
vlc_value_t val;
if (likely(!var_GetChecked (obj, name, VLC_VAR_COORDS, &val)))
{
*px = val.coords.x;
*py = val.coords.y;
}
else
*px = *py = 0;
}
/**
* Get a float value
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED
static inline float var_GetFloat( vlc_object_t *p_obj, const char *psz_name )
{
vlc_value_t val; val.f_float = 0.0;
if( !var_GetChecked( p_obj, psz_name, VLC_VAR_FLOAT, &val ) )
return val.f_float;
else
return 0.0;
}
/**
* Get a string value
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED VLC_MALLOC
static inline char *var_GetString( vlc_object_t *p_obj, const char *psz_name )
{
vlc_value_t val; val.psz_string = NULL;
if( var_GetChecked( p_obj, psz_name, VLC_VAR_STRING, &val ) )
return NULL;
else
return val.psz_string;
}
VLC_USED VLC_MALLOC
static inline char *var_GetNonEmptyString( vlc_object_t *p_obj, const char *psz_name )
{
vlc_value_t val;
if( var_GetChecked( p_obj, psz_name, VLC_VAR_STRING, &val ) )
return NULL;
if( val.psz_string && *val.psz_string )
return val.psz_string;
free( val.psz_string );
return NULL;
}
VLC_USED
static inline void *var_GetAddress( vlc_object_t *p_obj, const char *psz_name )
{
vlc_value_t val;
if( var_GetChecked( p_obj, psz_name, VLC_VAR_ADDRESS, &val ) )
return NULL;
else
return val.p_address;
}
/**
* Increment an integer variable
* \param p_obj the object that holds the variable
* \param psz_name the name of the variable
*/
static inline int64_t var_IncInteger( vlc_object_t *p_obj, const char *psz_name )
{
vlc_value_t val;
val.i_int = 1;
if( var_GetAndSet( p_obj, psz_name, VLC_VAR_INTEGER_ADD, &val ) )
return 0;
return val.i_int;
}
/**
* Decrement an integer variable
* \param p_obj the object that holds the variable
* \param psz_name the name of the variable
*/
static inline int64_t var_DecInteger( vlc_object_t *p_obj, const char *psz_name )
{
vlc_value_t val;
val.i_int = -1;
if( var_GetAndSet( p_obj, psz_name, VLC_VAR_INTEGER_ADD, &val ) )
return 0;
return val.i_int;
}
static inline uint64_t var_OrInteger( vlc_object_t *obj, const char *name,
unsigned v )
{
vlc_value_t val;
val.i_int = v;
if( var_GetAndSet( obj, name, VLC_VAR_INTEGER_OR, &val ) )
return 0;
return val.i_int;
}
static inline uint64_t var_NAndInteger( vlc_object_t *obj, const char *name,
unsigned v )
{
vlc_value_t val;
val.i_int = v;
if( var_GetAndSet( obj, name, VLC_VAR_INTEGER_NAND, &val ) )
return 0;
return val.i_int;
}
/**
* Create a integer variable with inherit and get its value.
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED
static inline int64_t var_CreateGetInteger( vlc_object_t *p_obj, const char *psz_name )
{
var_Create( p_obj, psz_name, VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
return var_GetInteger( p_obj, psz_name );
}
/**
* Create a boolean variable with inherit and get its value.
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED
static inline bool var_CreateGetBool( vlc_object_t *p_obj, const char *psz_name )
{
var_Create( p_obj, psz_name, VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
return var_GetBool( p_obj, psz_name );
}
/**
* Create a float variable with inherit and get its value.
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED
static inline float var_CreateGetFloat( vlc_object_t *p_obj, const char *psz_name )
{
var_Create( p_obj, psz_name, VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
return var_GetFloat( p_obj, psz_name );
}
/**
* Create a string variable with inherit and get its value.
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED VLC_MALLOC
static inline char *var_CreateGetString( vlc_object_t *p_obj,
const char *psz_name )
{
var_Create( p_obj, psz_name, VLC_VAR_STRING | VLC_VAR_DOINHERIT );
return var_GetString( p_obj, psz_name );
}
VLC_USED VLC_MALLOC
static inline char *var_CreateGetNonEmptyString( vlc_object_t *p_obj,
const char *psz_name )
{
var_Create( p_obj, psz_name, VLC_VAR_STRING | VLC_VAR_DOINHERIT );
return var_GetNonEmptyString( p_obj, psz_name );
}
/**
* Create an address variable with inherit and get its value.
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED
static inline void *var_CreateGetAddress( vlc_object_t *p_obj,
const char *psz_name )
{
var_Create( p_obj, psz_name, VLC_VAR_ADDRESS | VLC_VAR_DOINHERIT );
return var_GetAddress( p_obj, psz_name );
}
/**
* Create a integer command variable with inherit and get its value.
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED
static inline int64_t var_CreateGetIntegerCommand( vlc_object_t *p_obj, const char *psz_name )
{
var_Create( p_obj, psz_name, VLC_VAR_INTEGER | VLC_VAR_DOINHERIT
| VLC_VAR_ISCOMMAND );
return var_GetInteger( p_obj, psz_name );
}
/**
* Create a boolean command variable with inherit and get its value.
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED
static inline bool var_CreateGetBoolCommand( vlc_object_t *p_obj, const char *psz_name )
{
var_Create( p_obj, psz_name, VLC_VAR_BOOL | VLC_VAR_DOINHERIT
| VLC_VAR_ISCOMMAND );
return var_GetBool( p_obj, psz_name );
}
/**
* Create a float command variable with inherit and get its value.
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED
static inline float var_CreateGetFloatCommand( vlc_object_t *p_obj, const char *psz_name )
{
var_Create( p_obj, psz_name, VLC_VAR_FLOAT | VLC_VAR_DOINHERIT
| VLC_VAR_ISCOMMAND );
return var_GetFloat( p_obj, psz_name );
}
/**
* Create a string command variable with inherit and get its value.
*
* \param p_obj The object that holds the variable
* \param psz_name The name of the variable
*/
VLC_USED VLC_MALLOC
static inline char *var_CreateGetStringCommand( vlc_object_t *p_obj,
const char *psz_name )
{
var_Create( p_obj, psz_name, VLC_VAR_STRING | VLC_VAR_DOINHERIT
| VLC_VAR_ISCOMMAND );
return var_GetString( p_obj, psz_name );
}
VLC_USED VLC_MALLOC
static inline char *var_CreateGetNonEmptyStringCommand( vlc_object_t *p_obj,
const char *psz_name )
{
var_Create( p_obj, psz_name, VLC_VAR_STRING | VLC_VAR_DOINHERIT
| VLC_VAR_ISCOMMAND );
return var_GetNonEmptyString( p_obj, psz_name );
}
VLC_USED
static inline size_t var_CountChoices( vlc_object_t *p_obj, const char *psz_name )
{
size_t count;
if( var_Change( p_obj, psz_name, VLC_VAR_CHOICESCOUNT, &count ) )
return 0;
return count;
}
static inline bool var_ToggleBool( vlc_object_t *p_obj, const char *psz_name )
{
vlc_value_t val;
if( var_GetAndSet( p_obj, psz_name, VLC_VAR_BOOL_TOGGLE, &val ) )
return false;
return val.b_bool;
}
VLC_USED
static inline bool var_InheritBool( vlc_object_t *obj, const char *name )
{
vlc_value_t val;
if( var_Inherit( obj, name, VLC_VAR_BOOL, &val ) )
val.b_bool = false;
return val.b_bool;
}
VLC_USED
static inline int64_t var_InheritInteger( vlc_object_t *obj, const char *name )
{
vlc_value_t val;
if( var_Inherit( obj, name, VLC_VAR_INTEGER, &val ) )
val.i_int = 0;
return val.i_int;
}
VLC_USED
static inline float var_InheritFloat( vlc_object_t *obj, const char *name )
{
vlc_value_t val;
if( var_Inherit( obj, name, VLC_VAR_FLOAT, &val ) )
val.f_float = 0.;
return val.f_float;
}
VLC_USED VLC_MALLOC
static inline char *var_InheritString( vlc_object_t *obj, const char *name )
{
vlc_value_t val;
if( var_Inherit( obj, name, VLC_VAR_STRING, &val ) )
val.psz_string = NULL;
else if( val.psz_string && !*val.psz_string )
{
free( val.psz_string );
val.psz_string = NULL;
}
return val.psz_string;
}
VLC_USED
static inline void *var_InheritAddress( vlc_object_t *obj, const char *name )
{
vlc_value_t val;
if( var_Inherit( obj, name, VLC_VAR_ADDRESS, &val ) )
val.p_address = NULL;
return val.p_address;
}
/**
* Inherit a string as a fractional value.
*
* This function inherits a string, and interprets it as an unsigned rational
* number, i.e. a fraction. It also accepts a normally formatted floating point
* number.
*
* \warning The caller shall perform any and all necessary boundary checks.
*
* \note The rational number is always reduced,
* i.e. the returned numerator and denominator are always co-prime numbers.
*
* \note Fraction with zero as denominator are considered valid,
* including the undefined form zero-by-zero.
*
* \return Zero on success, an error if parsing fails.
*/
VLC_API int var_InheritURational(vlc_object_t *obj, unsigned *num,
unsigned *den, const char *name);
/**
* Parses a string with multiple options.
*
* Parses a set of colon-separated or semicolon-separated
* <code>name=value</code> pairs.
* Some access (or access_demux) plugins uses this scheme
* in media resource location.
* @note Only trusted/safe variables are allowed. This is intended.
*
* @warning Only use this for plugins implementing VLC-specific resource
* location schemes. This would not make any sense for standardized ones.
*
* @param obj VLC object on which to set variables (and emit error messages)
* @param mrl string to parse
* @param prefix prefix to prepend to option names in the string
*
* @return VLC_ENOMEM on error, VLC_SUCCESS on success.
*/
VLC_API int var_LocationParse(vlc_object_t *obj, const char *mrl, const char *prefix);
#ifndef DOC
#define var_Create(a,b,c) var_Create(VLC_OBJECT(a), b, c)
#define var_Destroy(a,b) var_Destroy(VLC_OBJECT(a), b)
#define var_Change(a,b,...) var_Change(VLC_OBJECT(a), b, __VA_ARGS__)
#define var_Type(a,b) var_Type(VLC_OBJECT(a), b)
#define var_Set(a,b,c) var_Set(VLC_OBJECT(a), b, c)
#define var_Get(a,b,c) var_Get(VLC_OBJECT(a), b, c)
#define var_SetChecked(o,n,t,v) var_SetChecked(VLC_OBJECT(o), n, t, v)
#define var_GetChecked(o,n,t,v) var_GetChecked(VLC_OBJECT(o), n, t, v)
#define var_AddCallback(a,b,c,d) var_AddCallback(VLC_OBJECT(a), b, c, d)
#define var_DelCallback(a,b,c,d) var_DelCallback(VLC_OBJECT(a), b, c, d)
#define var_TriggerCallback(a,b) var_TriggerCallback(VLC_OBJECT(a), b)
#define var_AddListCallback(a,b,c,d) \
var_AddListCallback(VLC_OBJECT(a), b, c, d)
#define var_DelListCallback(a,b,c,d) \
var_DelListCallback(VLC_OBJECT(a), b, c, d)
#define var_SetInteger(a,b,c) var_SetInteger(VLC_OBJECT(a), b, c)
#define var_SetBool(a,b,c) var_SetBool(VLC_OBJECT(a), b, c)
#define var_SetCoords(o,n,x,y) var_SetCoords(VLC_OBJECT(o), n, x, y)
#define var_SetFloat(a,b,c) var_SetFloat(VLC_OBJECT(a), b, c)
#define var_SetString(a,b,c) var_SetString(VLC_OBJECT(a), b, c)
#define var_SetAddress(o, n, p) var_SetAddress(VLC_OBJECT(o), n, p)
#define var_GetCoords(o,n,x,y) var_GetCoords(VLC_OBJECT(o), n, x, y)
#define var_IncInteger(a,b) var_IncInteger(VLC_OBJECT(a), b)
#define var_DecInteger(a,b) var_DecInteger(VLC_OBJECT(a), b)
#define var_OrInteger(a,b,c) var_OrInteger(VLC_OBJECT(a), b, c)
#define var_NAndInteger(a,b,c) var_NAndInteger(VLC_OBJECT(a), b, c)
#define var_CreateGetInteger(a,b) var_CreateGetInteger(VLC_OBJECT(a), b)
#define var_CreateGetBool(a,b) var_CreateGetBool(VLC_OBJECT(a), b)
#define var_CreateGetFloat(a,b) var_CreateGetFloat(VLC_OBJECT(a), b)
#define var_CreateGetString(a,b) var_CreateGetString(VLC_OBJECT(a), b)
#define var_CreateGetNonEmptyString(a,b) \
var_CreateGetNonEmptyString(VLC_OBJECT(a), b)
#define var_CreateGetAddress(a,b) var_CreateGetAddress( VLC_OBJECT(a), b)
#define var_CreateGetIntegerCommand(a,b) var_CreateGetIntegerCommand( VLC_OBJECT(a),b)
#define var_CreateGetBoolCommand(a,b) var_CreateGetBoolCommand( VLC_OBJECT(a),b)
#define var_CreateGetFloatCommand(a,b) var_CreateGetFloatCommand( VLC_OBJECT(a),b)
#define var_CreateGetStringCommand(a,b) var_CreateGetStringCommand( VLC_OBJECT(a),b)
#define var_CreateGetNonEmptyStringCommand(a,b) var_CreateGetNonEmptyStringCommand( VLC_OBJECT(a),b)
#define var_CountChoices(a,b) var_CountChoices(VLC_OBJECT(a),b)
#define var_ToggleBool(a,b) var_ToggleBool(VLC_OBJECT(a),b )
#define var_InheritBool(o, n) var_InheritBool(VLC_OBJECT(o), n)
#define var_InheritInteger(o, n) var_InheritInteger(VLC_OBJECT(o), n)
#define var_InheritFloat(o, n) var_InheritFloat(VLC_OBJECT(o), n)
#define var_InheritString(o, n) var_InheritString(VLC_OBJECT(o), n)
#define var_InheritAddress(o, n) var_InheritAddress(VLC_OBJECT(o), n)
#define var_InheritURational(a,b,c,d) var_InheritURational(VLC_OBJECT(a), b, c, d)
#define var_GetInteger(a,b) var_GetInteger(VLC_OBJECT(a),b)
#define var_GetBool(a,b) var_GetBool(VLC_OBJECT(a),b)
#define var_GetFloat(a,b) var_GetFloat(VLC_OBJECT(a),b)
#define var_GetString(a,b) var_GetString(VLC_OBJECT(a),b)
#define var_GetNonEmptyString(a,b) var_GetNonEmptyString( VLC_OBJECT(a),b)
#define var_GetAddress(a,b) var_GetAddress(VLC_OBJECT(a),b)
#define var_LocationParse(o, m, p) var_LocationParse(VLC_OBJECT(o), m, p)
#endif
/**
* @}
*/
#endif /* _VLC_VARIABLES_H */
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