typedef struct device_probe_t device_probe_t;typedef struct probe_sys_t probe_sys_t;/* block */typedef struct block_t      block_t;typedef struct block_fifo_t block_fifo_t;/* httpd */typedef struct httpd_t          httpd_t;typedef struct httpd_host_t     httpd_host_t;typedef struct httpd_url_t      httpd_url_t;typedef struct httpd_client_t   httpd_client_t;typedef struct httpd_callback_sys_t httpd_callback_sys_t;typedef struct httpd_message_t  httpd_message_t;typedef int    (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query );typedef struct httpd_file_t     httpd_file_t;typedef struct httpd_file_sys_t httpd_file_sys_t;typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );typedef struct httpd_handler_t  httpd_handler_t;typedef struct httpd_handler_sys_t httpd_handler_sys_t;typedef int (*httpd_handler_callback_t)( httpd_handler_sys_t *, httpd_handler_t *, char *psz_url, uint8_t *psz_request, int i_type, uint8_t *p_in, int i_in, char *psz_remote_addr, char *psz_remote_host, uint8_t **pp_data, int *pi_data );typedef struct httpd_redirect_t httpd_redirect_t;typedef struct httpd_stream_t httpd_stream_t;/* TLS support */typedef struct tls_server_t tls_server_t;typedef struct tls_session_t tls_session_t;/* Hashing */typedef struct md5_s md5_t;/* XML */typedef struct xml_t xml_t;typedef struct xml_sys_t xml_sys_t;typedef struct xml_reader_t xml_reader_t;typedef struct xml_reader_sys_t xml_reader_sys_t;/* vod server */typedef struct vod_t     vod_t;typedef struct vod_sys_t vod_sys_t;typedef struct vod_media_t vod_media_t;/* opengl */typedef struct opengl_t     opengl_t;typedef struct opengl_sys_t opengl_sys_t;/* osdmenu */typedef struct osd_menu_t   osd_menu_t;typedef struct osd_state_t  osd_state_t;typedef struct osd_event_t  osd_event_t;typedef struct osd_button_t osd_button_t;typedef struct osd_menu_state_t osd_menu_state_t;/* VLM */typedef struct vlm_t         vlm_t;typedef struct vlm_message_t vlm_message_t;/* divers */typedef struct vlc_meta_t    vlc_meta_t;typedef struct meta_export_t meta_export_t;/* Stats */typedef struct counter_t     counter_t;typedef struct counter_sample_t counter_sample_t;typedef struct stats_handler_t stats_handler_t;typedef struct input_stats_t input_stats_t;typedef struct global_stats_t global_stats_t;/* Update */typedef struct update_t update_t;typedef struct update_iterator_t update_iterator_t;/* Meta engine */typedef struct meta_engine_t meta_engine_t;/* stat/lstat/fstat */#ifdef WIN32#include <sys/stat.h># ifndef UNDER_CEstruct _stati64;#define stat _stati64#define fstat _fstati64#endif/* You should otherwise use utf8_stat and utf8_lstat. */#elsestruct stat;#endif/** * VLC value structure */typedef union{    int             i_int;    bool            b_bool;    float           f_float;    char *          psz_string;    void *          p_address;    vlc_object_t *  p_object;    vlc_list_t *    p_list;    mtime_t         i_time;    struct { char *psz_name; int i_object_id; } var;   /* Make sure the structure is at least 64bits */    struct { char a, b, c, d, e, f, g, h; } padding;} vlc_value_t;/** * VLC list structure */struct vlc_list_t{    int             i_count;    vlc_value_t *   p_values;    int *           pi_types;};/** * \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_HOTKEY    0x0031#define VLC_VAR_STRING    0x0040#define VLC_VAR_MODULE    0x0041#define VLC_VAR_FILE      0x0042#define VLC_VAR_DIRECTORY 0x0043#define VLC_VAR_VARIABLE  0x0044#define VLC_VAR_FLOAT     0x0050#define VLC_VAR_TIME      0x0060#define VLC_VAR_ADDRESS   0x0070#define VLC_VAR_MUTEX     0x0080#define VLC_VAR_LIST      0x0090/**@}*//***************************************************************************** * Error values (shouldn't be exposed) *****************************************************************************/#define VLC_SUCCESS         -0                                   /* No error */#define VLC_ENOMEM          -1                          /* Not enough memory */#define VLC_ETHREAD         -2                               /* Thread error */#define VLC_ETIMEOUT        -3                                    /* Timeout */#define VLC_ENOMOD         -10                           /* Module not found */#define VLC_ENOOBJ         -20                           /* Object not found */#define VLC_ENOVAR         -30                         /* Variable not found */#define VLC_EBADVAR        -31                         /* Bad variable value */#define VLC_ENOITEM        -40                           /**< Item not found */#define VLC_EEXIT         -255                             /* Program exited */#define VLC_EEXITSUCCESS  -999                /* Program exited successfully */#define VLC_EGENERIC      -666                              /* Generic error *//***************************************************************************** * Variable callbacks *****************************************************************************/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 *//***************************************************************************** * Plug-in stuff *****************************************************************************/#ifdef __cplusplus# define LIBVLC_EXTERN extern "C"#else# define LIBVLC_EXTERN extern#endif#if defined (WIN32) && defined (DLL_EXPORT)#if defined (UNDER_CE)# include <windef.h>#endif# define LIBVLC_EXPORT __declspec(dllexport)#else# define LIBVLC_EXPORT#endif#define VLC_EXPORT( type, name, args ) \                        LIBVLC_EXTERN LIBVLC_EXPORT type name args/***************************************************************************** * OS-specific headers and thread types *****************************************************************************/#if defined( WIN32 ) || defined( UNDER_CE )#   define WIN32_LEAN_AND_MEAN#   include <windows.h>#endif#include "vlc_mtime.h"#include "vlc_threads.h"/***************************************************************************** * Common structure members *****************************************************************************//* VLC_COMMON_MEMBERS : members common to all basic vlc objects */#define VLC_COMMON_MEMBERS                                                  \/** \name VLC_COMMON_MEMBERS                                                \ * these members are common for all vlc objects                             \ */                                                                         \/**@{*/                                                                     \    int   i_object_type;                                                    \    const char *psz_object_type;                                            \    char *psz_object_name;                                                  \                                                                            \    /* Messages header */                                                   \    char *psz_header;                                                       \    int  i_flags;                                                           \                                                                            \    /* Object properties */                                                 \    volatile bool b_error;                  /**< set by the object */ \    volatile bool b_die;                   /**< set by the outside */ \    bool b_force;      /**< set by the outside (eg. module_need()) */ \                                                                            \    /** Just a reminder so that people don't cast garbage */                \    bool be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                       \                                                                            \    /* Stuff related to the libvlc structure */                             \    libvlc_int_t *p_libvlc;                  /**< (root of all evil) - 1 */ \                                                                            \    vlc_object_t *  p_parent;                            /**< our parent */ \                                                                            \    /* Private data */                                                      \    void *          p_private;                                              \                                                                            \/**@}*/                                                                     \/* VLC_OBJECT: attempt at doing a clever cast */#ifdef __GNUC__# define VLC_OBJECT( x ) \    (((vlc_object_t *)(x))+0*(((typeof(x))0)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct))#else# define VLC_OBJECT( x ) ((vlc_object_t *)(x))#endiftypedef struct gc_object_t{    vlc_spinlock_t spin;    uintptr_t      refs;    void          (*pf_destructor) (struct gc_object_t *);} gc_object_t;/** * These members are common to all objects that wish to be garbage-collected. */#define VLC_GC_MEMBERS gc_object_t vlc_gc_data;VLC_EXPORT(void *, vlc_gc_init, (gc_object_t *, void (*)(gc_object_t *)));VLC_EXPORT(void *, vlc_hold, (gc_object_t *));VLC_EXPORT(void, vlc_release, (gc_object_t *));#define vlc_gc_init( a,b ) vlc_gc_init( &(a)->vlc_gc_data, (b) )#define vlc_gc_incref( a ) vlc_hold( &(a)->vlc_gc_data )#define vlc_gc_decref( a ) vlc_release( &(a)->vlc_gc_data )#define vlc_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, vlc_gc_data)))/***************************************************************************** * Macros and inline functions *****************************************************************************//* CEIL: division with round to nearest greater integer */#define CEIL(n, d)  ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )/* PAD: PAD(n, d) = CEIL(n ,d) * d */#define PAD(n, d)   ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )/* __MAX and __MIN: self explanatory */#ifndef __MAX#   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )#endif#ifndef __MIN#   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )#endifLIBVLC_USEDstatic inline int64_t GCD ( int64_t a, int64_t b ){    while( b )    {        int64_t c = a % b;        a = b;        b = c;    }    return a;}