mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-04 09:11:33 +02:00
![Gildas Bazin](/assets/img/avatar_default.png)
vlc_object_get() now increments the refcount of the object so you'll need to release the object at some point. * src/misc/variables.c, ALL: var_Change() with VLC_VAR_GETLIST now returns a vlc_value_t which points to a vlc_list_t.
142 lines
5.5 KiB
C
142 lines
5.5 KiB
C
/*****************************************************************************
|
|
* variables.h: variables handling
|
|
*****************************************************************************
|
|
* Copyright (C) 2002 VideoLAN
|
|
* $Id: variables.h,v 1.11 2002/12/14 19:34:07 gbazin Exp $
|
|
*
|
|
* Authors: Samuel Hocevar <sam@zoy.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
|
|
*****************************************************************************/
|
|
|
|
typedef struct callback_entry_t callback_entry_t;
|
|
|
|
/*****************************************************************************
|
|
* vlc_value_t is the common union for variable values; variable_t is the
|
|
* structure describing a variable.
|
|
*****************************************************************************/
|
|
struct variable_t
|
|
{
|
|
/* The variable's exported value */
|
|
vlc_value_t val;
|
|
|
|
/* The variable unique name, (almost) unique hashed value, and type */
|
|
char * psz_name;
|
|
uint32_t i_hash;
|
|
int i_type;
|
|
|
|
/* A pointer to a comparison function, a duplication function, and
|
|
* a deallocation function */
|
|
int ( * pf_cmp ) ( vlc_value_t, vlc_value_t );
|
|
void ( * pf_dup ) ( vlc_value_t * );
|
|
void ( * pf_free ) ( vlc_value_t * );
|
|
|
|
/* Creation count: we only destroy the variable if it reaches 0 */
|
|
int i_usage;
|
|
|
|
/* If the variable has min/max/step values */
|
|
vlc_value_t min, max, step;
|
|
|
|
/* If the variable is to be chosen in a list */
|
|
int i_default;
|
|
vlc_list_t choices;
|
|
|
|
/* Set to TRUE if the variable is in a callback */
|
|
vlc_bool_t b_incallback;
|
|
|
|
/* Registered callbacks */
|
|
int i_entries;
|
|
callback_entry_t * p_entries;
|
|
};
|
|
|
|
/*****************************************************************************
|
|
* Variable types - probably very incomplete
|
|
*****************************************************************************/
|
|
#define VLC_VAR_TYPE 0x00ff
|
|
#define VLC_VAR_FLAGS 0xff00
|
|
|
|
/* Different types */
|
|
#define VLC_VAR_VOID 0x0010
|
|
#define VLC_VAR_BOOL 0x0020
|
|
#define VLC_VAR_INTEGER 0x0030
|
|
#define VLC_VAR_STRING 0x0040
|
|
#define VLC_VAR_MODULE 0x0041
|
|
#define VLC_VAR_FILE 0x0042
|
|
#define VLC_VAR_DIRECTORY 0x0043
|
|
#define VLC_VAR_FLOAT 0x0050
|
|
#define VLC_VAR_TIME 0x0060
|
|
#define VLC_VAR_ADDRESS 0x0070
|
|
#define VLC_VAR_MUTEX 0x0080
|
|
|
|
/* Additive flags */
|
|
#define VLC_VAR_HASCHOICE 0x0100
|
|
#define VLC_VAR_HASMIN 0x0200
|
|
#define VLC_VAR_HASMAX 0x0400
|
|
#define VLC_VAR_HASSTEP 0x0800
|
|
|
|
#define VLC_VAR_ISLIST 0x1000
|
|
#define VLC_VAR_ISCOMMAND 0x2000
|
|
#define VLC_VAR_ISCONFIG 0x2000
|
|
|
|
/*****************************************************************************
|
|
* Variable actions
|
|
*****************************************************************************/
|
|
#define VLC_VAR_SETMIN 0x0010
|
|
#define VLC_VAR_SETMAX 0x0011
|
|
#define VLC_VAR_SETSTEP 0x0012
|
|
|
|
#define VLC_VAR_ADDCHOICE 0x0020
|
|
#define VLC_VAR_DELCHOICE 0x0021
|
|
#define VLC_VAR_SETDEFAULT 0x0022
|
|
#define VLC_VAR_GETLIST 0x0023
|
|
#define VLC_VAR_FREELIST 0x0024
|
|
|
|
/*****************************************************************************
|
|
* Prototypes
|
|
*****************************************************************************/
|
|
VLC_EXPORT( int, __var_Create, ( vlc_object_t *, const char *, int ) );
|
|
VLC_EXPORT( int, __var_Destroy, ( vlc_object_t *, const char * ) );
|
|
|
|
VLC_EXPORT( int, __var_Change, ( vlc_object_t *, const char *, int, vlc_value_t * ) );
|
|
|
|
VLC_EXPORT( int, __var_Type, ( vlc_object_t *, const char * ) );
|
|
VLC_EXPORT( int, __var_Set, ( vlc_object_t *, const char *, vlc_value_t ) );
|
|
VLC_EXPORT( int, __var_Get, ( vlc_object_t *, const char *, vlc_value_t * ) );
|
|
|
|
#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,c,d) __var_Change( VLC_OBJECT(a), b, c, d )
|
|
|
|
#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 )
|
|
|
|
/*****************************************************************************
|
|
* Variable callbacks
|
|
*****************************************************************************
|
|
* int MyCallback( vlc_object_t *p_this,
|
|
* char const *psz_variable,
|
|
* vlc_value_t oldvalue,
|
|
* vlc_value_t newvalue,
|
|
* void *p_data);
|
|
*****************************************************************************/
|
|
VLC_EXPORT( int, __var_AddCallback, ( vlc_object_t *, const char *, vlc_callback_t, void * ) );
|
|
VLC_EXPORT( int, __var_DelCallback, ( vlc_object_t *, const char *, vlc_callback_t, void * ) );
|
|
|
|
#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 )
|
|
|