+/**
+ * __var_DelCallback() with automatic casting
+ */
+#define var_DelCallback(a,b,c,d) __var_DelCallback( VLC_OBJECT(a), b, c, d )
+
+/*****************************************************************************
+ * 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, int i )
+{
+ vlc_value_t val;
+ val.i_int = i;
+ return __var_Set( p_obj, psz_name, 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, vlc_bool_t b )
+{
+ vlc_value_t val;
+ val.b_bool = b;
+ return __var_Set( p_obj, psz_name, val );
+}
+
+/**
+ * Set the value of a time variable
+ *
+ * \param p_obj The object that holds the variable
+ * \param psz_name The name of the variable
+ * \param i The new time value of this variable
+ */
+static inline int __var_SetTime( vlc_object_t *p_obj, const char *psz_name, int64_t i )
+{
+ vlc_value_t val;
+ val.i_time = i;
+ return __var_Set( p_obj, psz_name, 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_Set( p_obj, psz_name, 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, char *psz_string )
+{
+ vlc_value_t val;
+ val.psz_string = psz_string;
+ return __var_Set( p_obj, psz_name, val );
+}
+
+/**
+ * Trigger the callbacks on a void variable
+ *
+ * \param p_obj The object that holds the variable
+ * \param psz_name The name of the variable
+ */
+static inline int __var_SetVoid( vlc_object_t *p_obj, const char *psz_name )
+{
+ vlc_value_t val;
+ val.b_bool = VLC_TRUE;
+ return __var_Set( p_obj, psz_name, val );
+}
+
+/**
+ * __var_SetInteger() with automatic casting
+ */
+#define var_SetInteger(a,b,c) __var_SetInteger( VLC_OBJECT(a),b,c)
+/**
+ * __var_SetBool() with automatic casting
+ */
+#define var_SetBool(a,b,c) __var_SetBool( VLC_OBJECT(a),b,c)
+
+/**
+ * __var_SetTime() with automatic casting
+ */
+#define var_SetTime(a,b,c) __var_SetTime( VLC_OBJECT(a),b,c)
+/**
+ * __var_SetFloat() with automatic casting
+ */
+#define var_SetFloat(a,b,c) __var_SetFloat( VLC_OBJECT(a),b,c)
+/**
+ * __var_SetString() with automatic casting
+ */
+#define var_SetString(a,b,c) __var_SetString( VLC_OBJECT(a),b,c)
+/**
+ * __var_SetVoid() with automatic casting
+ */
+#define var_SetVoid(a,b) __var_SetVoid( VLC_OBJECT(a),b)
+
+/**
+ * Get a integer value
+ *
+ * \param p_obj The object that holds the variable
+ * \param psz_name The name of the variable
+ */
+static inline int __var_GetInteger( vlc_object_t *p_obj, const char *psz_name )
+{
+ vlc_value_t val;val.i_int = 0;
+ if( !__var_Get( p_obj, psz_name, &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
+ */
+static inline int __var_GetBool( vlc_object_t *p_obj, const char *psz_name )
+{
+ vlc_value_t val; val.b_bool = VLC_FALSE;
+ if( !__var_Get( p_obj, psz_name, &val ) )
+ return val.b_bool;
+ else
+ return VLC_FALSE;
+}
+
+/**
+ * Get a time value
+ *
+ * \param p_obj The object that holds the variable
+ * \param psz_name The name of the variable
+ */
+static inline int64_t __var_GetTime( vlc_object_t *p_obj, const char *psz_name )
+{
+ vlc_value_t val; val.i_time = 0L;
+ if( !__var_Get( p_obj, psz_name, &val ) )
+ return val.i_time;
+ else
+ return 0;
+}
+
+/**
+ * Get a float value
+ *
+ * \param p_obj The object that holds the variable
+ * \param psz_name The name of the variable
+ */
+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_Get( p_obj, psz_name, &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
+ */
+static inline char *__var_GetString( vlc_object_t *p_obj, const char *psz_name )
+{
+ vlc_value_t val; val.psz_string = NULL;
+ if( !__var_Get( p_obj, psz_name, &val ) )
+ return val.psz_string;
+ else
+ return strdup( "" );
+}
+
+/**
+ * __var_GetInteger() with automatic casting
+ */
+#define var_GetInteger(a,b) __var_GetInteger( VLC_OBJECT(a),b)
+/**
+ * __var_GetBool() with automatic casting
+ */
+#define var_GetBool(a,b) __var_GetBool( VLC_OBJECT(a),b)
+/**
+ * __var_GetTime() with automatic casting
+ */
+#define var_GetTime(a,b) __var_GetTime( VLC_OBJECT(a),b)
+/**
+ * __var_GetFloat() with automatic casting
+ */
+#define var_GetFloat(a,b) __var_GetFloat( VLC_OBJECT(a),b)
+/**
+ * __var_GetString() with automatic casting
+ */
+#define var_GetString(a,b) __var_GetString( VLC_OBJECT(a),b)
+
+
+/**
+ * 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
+ */
+static inline int __var_CreateGetInteger( vlc_object_t *p_obj, const char *psz_name )
+{
+ vlc_value_t val;
+
+ __var_Create( p_obj, psz_name, VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ if( !__var_Get( p_obj, psz_name, &val ) )
+ return val.i_int;
+ else
+ return 0;
+}
+
+/**
+ * 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
+ */
+static inline int __var_CreateGetBool( vlc_object_t *p_obj, const char *psz_name )
+{
+ vlc_value_t val;
+
+ __var_Create( p_obj, psz_name, VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
+ if( !__var_Get( p_obj, psz_name, &val ) )
+ return val.b_bool;
+ else
+ return VLC_FALSE;
+}
+
+/**
+ * Create a time variable with inherit and get its value.
+ *
+ * \param p_obj The object that holds the variable
+ * \param psz_name The name of the variable
+ */
+static inline int64_t __var_CreateGetTime( vlc_object_t *p_obj, const char *psz_name )
+{
+ vlc_value_t val;
+
+ __var_Create( p_obj, psz_name, VLC_VAR_TIME | VLC_VAR_DOINHERIT );
+ if( !__var_Get( p_obj, psz_name, &val ) )
+ return val.i_time;
+ else
+ return 0;
+}
+
+/**
+ * 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
+ */
+static inline float __var_CreateGetFloat( vlc_object_t *p_obj, const char *psz_name )
+{
+ vlc_value_t val;
+
+ __var_Create( p_obj, psz_name, VLC_VAR_FLOAT | VLC_VAR_DOINHERIT );
+ if( !__var_Get( p_obj, psz_name, &val ) )
+ return val.f_float;
+ else
+ return 0.0;
+}
+
+/**
+ * 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
+ */
+static inline char *__var_CreateGetString( vlc_object_t *p_obj, const char *psz_name )
+{
+ vlc_value_t val;