variables.c File Reference

Include dependency graph for variables.c:


Data Structures
struct	callback_entry_t
Functions
static int	CmpBool (vlc_value_t v, vlc_value_t w)
static int	CmpInt (vlc_value_t v, vlc_value_t w)
static int	CmpTime (vlc_value_t v, vlc_value_t w)
static int	CmpString (vlc_value_t v, vlc_value_t w)
static int	CmpFloat (vlc_value_t v, vlc_value_t w)
static int	CmpAddress (vlc_value_t v, vlc_value_t w)
static void	DupDummy (vlc_value_t *p_val)
static void	DupString (vlc_value_t *p_val)
static void	DupList (vlc_value_t *p_val)
static void	FreeDummy (vlc_value_t *p_val)
static void	FreeString (vlc_value_t *p_val)
static void	FreeMutex (vlc_value_t *p_val)
static void	FreeList (vlc_value_t *p_val)
static void	WaitUnused (vlc_object_t p_this, variable_t p_var)
	Waits until the variable is inactive (i.e.
static void	CheckValue (variable_t , vlc_value_t )
static int	TriggerCallback (vlc_object_t , variable_t , const char *, vlc_value_t)
static int	varcmp (const void a, const void b)
static variable_t *	Lookup (vlc_object_t obj, const char psz_name)
static void	Destroy (variable_t *p_var)
int	var_Create (vlc_object_t p_this, const char psz_name, int i_type)
	Initialize a vlc variable.
int	var_Destroy (vlc_object_t p_this, const char psz_name)
	Destroy a vlc variable.
static void	CleanupVar (void *var)
void	var_DestroyAll (vlc_object_t *obj)
int	var_Change (vlc_object_t p_this, const char psz_name, int i_action, vlc_value_t p_val, vlc_value_t p_val2)
	Perform an action on a variable.
int	var_GetAndSet (vlc_object_t p_this, const char psz_name, int i_action, vlc_value_t *p_val)
	Perform a Get and Set on a variable.
int	var_Type (vlc_object_t p_this, const char psz_name)
	Request a variable's type.
int	var_SetChecked (vlc_object_t p_this, const char psz_name, int expected_type, vlc_value_t val)
int	var_Set (vlc_object_t p_this, const char psz_name, vlc_value_t val)
	Set a variable's value.
int	var_GetChecked (vlc_object_t p_this, const char psz_name, int expected_type, vlc_value_t *p_val)
int	var_Get (vlc_object_t p_this, const char psz_name, vlc_value_t *p_val)
	Get a variable's value.
int	var_AddCallback (vlc_object_t p_this, const char psz_name, vlc_callback_t pf_callback, void *p_data)
	Register a callback in a variable.
int	var_DelCallback (vlc_object_t p_this, const char psz_name, vlc_callback_t pf_callback, void *p_data)
	Remove a callback from a variable.
int	var_TriggerCallback (vlc_object_t p_this, const char psz_name)
	Trigger callback on a variable.
void	var_OptionParse (vlc_object_t p_obj, const char psz_option, bool trusted)
	Parse a stringified option This function parse a string option and create the associated object variable The option must be of the form "[no[-]]foo[=bar]" where foo is the option name and bar is the value of the option.
int	var_Inherit (vlc_object_t p_this, const char psz_name, int i_type, vlc_value_t *p_val)
	Finds the value of a variable.
int()	var_InheritURational (vlc_object_t object, unsigned num, unsigned den, const char var)
	It inherits a string as an unsigned rational number (it also accepts basic float number).
int	var_Command (vlc_object_t p_this, const char psz_name, const char psz_cmd, const char psz_arg, char **psz_msg)
void	var_FreeList (vlc_value_t p_val, vlc_value_t p_val2)
	Free a list and the associated strings.
Variables
static struct variable_ops_t	void_ops = { NULL, DupDummy, FreeDummy, }
static struct variable_ops_t	addr_ops = { CmpAddress, DupDummy, FreeDummy, }
static struct variable_ops_t	bool_ops = { CmpBool, DupDummy, FreeDummy, }
static struct variable_ops_t	float_ops = { CmpFloat, DupDummy, FreeDummy, }
static struct variable_ops_t	int_ops = { CmpInt, DupDummy, FreeDummy, }
static struct variable_ops_t	list_ops = { CmpAddress, DupList, FreeList, }
static struct variable_ops_t	mutex_ops = { CmpAddress, DupDummy, FreeMutex, }
static struct variable_ops_t	string_ops = { CmpString, DupString, FreeString, }
static struct variable_ops_t	time_ops = { CmpTime, DupDummy, FreeDummy, }
static struct variable_ops_t	coords_ops = { NULL, DupDummy, FreeDummy, }

Function Documentation

static void CheckValue	(	variable_t *	p_var,
		vlc_value_t *	p_val
	)			`[static]`

static void CleanupVar ( void * var ) [static]

References Destroy().

Referenced by var_DestroyAll().

static int CmpAddress	(	vlc_value_t	v,
		vlc_value_t	w
	)			`[static]`

References vlc_value_t::p_address.

static int CmpBool	(	vlc_value_t	v,
		vlc_value_t	w
	)			`[static]`

References vlc_value_t::b_bool.

static int CmpFloat	(	vlc_value_t	v,
		vlc_value_t	w
	)			`[static]`

References vlc_value_t::f_float.

static int CmpInt	(	vlc_value_t	v,
		vlc_value_t	w
	)			`[static]`

References vlc_value_t::i_int.

static int CmpString	(	vlc_value_t	v,
		vlc_value_t	w
	)			`[static]`

References vlc_value_t::psz_string.

static int CmpTime	(	vlc_value_t	v,
		vlc_value_t	w
	)			`[static]`

References vlc_value_t::i_time.

static void Destroy ( variable_t * p_var ) [static]

References variable_t::choices, variable_t::choices_text, i, vlc_list_t::i_count, variable_t::ops, variable_t::p_entries, vlc_list_t::p_values, variable_ops_t::pf_free, variable_t::psz_name, vlc_value_t::psz_string, variable_t::psz_text, and variable_t::val.

static void DupDummy ( vlc_value_t * p_val ) [static]

static void DupList ( vlc_value_t * p_val ) [static]

References DupString(), i, vlc_list_t::i_count, vlc_value_t::p_list, vlc_list_t::p_values, vlc_list_t::pi_types, VLC_VAR_CLASS, and VLC_VAR_STRING.

static void DupString ( vlc_value_t * p_val ) [static]

References vlc_value_t::psz_string, and strdup().

Referenced by DupList().

static void FreeDummy ( vlc_value_t * p_val ) [static]

static void FreeList ( vlc_value_t * p_val ) [static]

References FreeMutex(), FreeString(), i, vlc_list_t::i_count, vlc_value_t::p_list, vlc_list_t::p_values, vlc_list_t::pi_types, VLC_VAR_CLASS, VLC_VAR_MUTEX, and VLC_VAR_STRING.

Referenced by var_FreeList(), and var_OptionParse().

static void FreeMutex ( vlc_value_t * p_val ) [static]

References vlc_value_t::p_address, and vlc_mutex_destroy().

Referenced by FreeList().

static void FreeString ( vlc_value_t * p_val ) [static]

References vlc_value_t::psz_string.

Referenced by FreeList(), and RenderText().

static variable_t* Lookup	(	vlc_object_t *	obj,
		const char *	psz_name
	)			`[static]`

References vlc_object_internals::var_lock, vlc_object_internals::var_root, varcmp(), vlc_assert_locked, and vlc_internals.

static int TriggerCallback	(	vlc_object_t *	p_this,
		variable_t *	p_var,
		const char *	psz_name,
		vlc_value_t	oldval
	)			`[static]`

References variable_t::b_incallback, variable_t::i_entries, callback_entry_t::p_data, variable_t::p_entries, callback_entry_t::pf_callback, variable_t::val, vlc_object_internals::var_lock, vlc_object_internals::var_wait, vlc_cond_broadcast(), vlc_internals, vlc_mutex_lock(), vlc_mutex_unlock(), and VLC_SUCCESS.

Referenced by var_GetAndSet(), var_SetChecked(), and var_TriggerCallback().

void var_DestroyAll ( vlc_object_t * obj )

References CleanupVar(), tdestroy, vlc_object_internals::var_root, and vlc_internals.

Referenced by vlc_object_destroy().

void var_OptionParse	(	vlc_object_t *	p_obj,
		const char *	psz_option,
		bool	trusted
	)

Parse a stringified option This function parse a string option and create the associated object variable The option must be of the form "[no[-]]foo[=bar]" where foo is the option name and bar is the value of the option.

Parameters: