/***************************************************************************** * vlc_variables.h: variables handling ***************************************************************************** * Copyright (C) 2002-2004 VLC authors and VideoLAN * * Authors: Samuel Hocevar * Gildas Bazin * * 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 * name=value 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 */