1 /*****************************************************************************
2 * libvlc.h: Internal libvlc generic/misc declaration
3 *****************************************************************************
4 * Copyright (C) 1999, 2000, 2001, 2002 the VideoLAN team
5 * Copyright © 2006-2007 Rémi Denis-Courmont
8 * Authors: Vincent Seguin <seguin@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 #ifndef LIBVLC_LIBVLC_H
26 # define LIBVLC_LIBVLC_H 1
28 typedef struct variable_t variable_t;
30 /* Actions (hot keys) */
32 struct vlc_actions *vlc_InitActions (libvlc_int_t *);
33 extern void vlc_DeinitActions (libvlc_int_t *, struct vlc_actions *);
35 size_t vlc_towc (const char *str, uint32_t *restrict pwc);
38 * OS-specific initialization
40 void system_Init ( void );
41 void system_Configure ( libvlc_int_t *, int, const char *const [] );
42 void system_End ( void );
44 void vlc_CPU_dump(vlc_object_t *);
50 /* This cannot be used as is from plugins yet: */
51 int vlc_clone_detach (vlc_thread_t *, void *(*)(void *), void *, int);
53 int vlc_object_waitpipe (vlc_object_t *obj);
55 int vlc_set_priority( vlc_thread_t, int );
57 void vlc_threads_setup (libvlc_int_t *);
59 void vlc_trace (const char *fn, const char *file, unsigned line);
60 #define vlc_backtrace() vlc_trace(__func__, __FILE__, __LINE__)
62 #if defined (LIBVLC_USE_PTHREAD) && !defined (NDEBUG)
63 void vlc_assert_locked (vlc_mutex_t *);
65 # define vlc_assert_locked( m ) (void)m
71 extern uint32_t cpu_flags;
72 uint32_t CPUCapabilities( void );
75 * LibVLC exit event handling
77 typedef struct vlc_exit
80 void (*handler) (void *);
85 void vlc_ExitInit( vlc_exit_t * );
86 void vlc_ExitDestroy( vlc_exit_t * );
89 * LibVLC objects stuff
93 * Creates a VLC object.
95 * Note that because the object name pointer must remain valid, potentially
96 * even after the destruction of the object (through the message queues), this
97 * function CANNOT be exported to plugins as is. In this case, the old
98 * vlc_object_create() must be used instead.
100 * @param p_this an existing VLC object
101 * @param i_size byte size of the object structure
102 * @param psz_type object type name
103 * @return the created object, or NULL.
106 vlc_custom_create (vlc_object_t *p_this, size_t i_size, const char *psz_type);
107 #define vlc_custom_create(o, s, n) \
108 vlc_custom_create(VLC_OBJECT(o), s, n)
111 * Assign a name to an object for vlc_object_find_name().
113 extern int vlc_object_set_name(vlc_object_t *, const char *);
114 #define vlc_object_set_name(o, n) vlc_object_set_name(VLC_OBJECT(o), n)
117 typedef void (*vlc_destructor_t) (struct vlc_object_t *);
118 void vlc_object_set_destructor (vlc_object_t *, vlc_destructor_t);
119 #define vlc_object_set_destructor(a,b) \
120 vlc_object_set_destructor (VLC_OBJECT(a), b)
123 * To be cleaned-up module stuff:
125 extern char *psz_vlcpath;
127 module_t *module_find_by_shortcut (const char *psz_shortcut);
130 * Private LibVLC data for each object.
132 typedef struct vlc_object_internals vlc_object_internals_t;
134 struct vlc_object_internals
136 char *psz_name; /* given name */
138 /* Object variables */
140 vlc_mutex_t var_lock;
143 /* Objects thread synchronization */
146 /* Objects management */
147 vlc_spinlock_t ref_spin;
149 vlc_destructor_t pf_destructor;
151 /* Objects tree structure */
152 vlc_object_internals_t *next; /* next sibling */
153 vlc_object_internals_t *prev; /* previous sibling */
154 vlc_object_internals_t *first; /* first child */
157 #define ZOOM_SECTION N_("Zoom")
158 #define ZOOM_QUARTER_KEY_TEXT N_("1:4 Quarter")
159 #define ZOOM_HALF_KEY_TEXT N_("1:2 Half")
160 #define ZOOM_ORIGINAL_KEY_TEXT N_("1:1 Original")
161 #define ZOOM_DOUBLE_KEY_TEXT N_("2:1 Double")
163 #define vlc_internals( obj ) (((vlc_object_internals_t*)(VLC_OBJECT(obj)))-1)
164 #define vlc_externals( priv ) ((vlc_object_t *)((priv) + 1))
166 typedef struct sap_handler_t sap_handler_t;
169 * Private LibVLC instance data.
171 typedef struct libvlc_priv_t
173 libvlc_int_t public_data;
175 bool playlist_active;
178 int i_verbose; ///< info messages
179 bool b_color; ///< color messages?
182 bool b_stats; ///< Whether to collect stats
183 vlc_mutex_t timer_lock; ///< Lock to protect timers
184 counter_t **pp_timers; ///< Array of all timers
185 int i_timers; ///< Number of timers
187 /* Singleton objects */
188 module_t *p_memcpy_module; ///< Fast memcpy plugin used
189 playlist_t *p_playlist; ///< the playlist singleton
190 struct media_library_t *p_ml; ///< the ML singleton
191 vlc_mutex_t ml_lock; ///< Mutex for ML creation
192 vlm_t *p_vlm; ///< the VLM singleton (or NULL)
193 vlc_object_t *p_dialog_provider; ///< dialog provider
194 httpd_t *p_httpd; ///< HTTP daemon (src/network/httpd.c)
196 sap_handler_t *p_sap; ///< SAP SDP advertiser
198 struct vlc_actions *actions; ///< Hotkeys handler
201 struct intf_thread_t *p_intf; ///< Interfaces linked-list
204 vlc_mutex_t structure_lock;
210 static inline libvlc_priv_t *libvlc_priv (libvlc_int_t *libvlc)
212 return (libvlc_priv_t *)libvlc;
215 void playlist_ServicesDiscoveryKillAll( playlist_t *p_playlist );
216 void intf_DestroyAll( libvlc_int_t * );
218 #define libvlc_stats( o ) (libvlc_priv((VLC_OBJECT(o))->p_libvlc)->b_stats)
221 * LibVLC "main module" configuration settings array.
223 extern module_config_t libvlc_config[];
224 extern const size_t libvlc_config_count;
229 void var_OptionParse (vlc_object_t *, const char *, bool trusted);
234 int stats_Update (vlc_object_t*, counter_t *, vlc_value_t, vlc_value_t *);
235 counter_t * stats_CounterCreate (vlc_object_t*, int, int);
236 #define stats_CounterCreate(a,b,c) stats_CounterCreate( VLC_OBJECT(a), b, c )
237 int stats_Get (vlc_object_t*, counter_t *, vlc_value_t*);
238 #define stats_Get(a,b,c) stats_Get( VLC_OBJECT(a), b, c)
240 void stats_CounterClean (counter_t * );
242 static inline int stats_GetInteger( vlc_object_t *p_obj, counter_t *p_counter,
246 vlc_value_t val; val.i_int = 0;
247 if( !p_counter ) return VLC_EGENERIC;
248 i_ret = stats_Get( p_obj, p_counter, &val );
252 #define stats_GetInteger(a,b,c) stats_GetInteger( VLC_OBJECT(a), b, c )
254 static inline int stats_GetFloat( vlc_object_t *p_obj, counter_t *p_counter,
258 vlc_value_t val; val.f_float = 0.0;
259 if( !p_counter ) return VLC_EGENERIC;
260 i_ret = stats_Get( p_obj, p_counter, &val );
261 *value = val.f_float;
264 #define stats_GetFloat(a,b,c) stats_GetFloat( VLC_OBJECT(a), b, c )
266 static inline int stats_UpdateInteger( vlc_object_t *p_obj,counter_t *p_co,
271 vlc_value_t new_val; new_val.i_int = 0;
272 if( !p_co ) return VLC_EGENERIC;
274 i_ret = stats_Update( p_obj, p_co, val, &new_val );
276 *pi_new = new_val.i_int;
279 #define stats_UpdateInteger(a,b,c,d) stats_UpdateInteger( VLC_OBJECT(a),b,c,d )
281 static inline int stats_UpdateFloat( vlc_object_t *p_obj, counter_t *p_co,
282 float f, float *pf_new )
286 vlc_value_t new_val;new_val.f_float = 0.0;
287 if( !p_co ) return VLC_EGENERIC;
289 i_ret = stats_Update( p_obj, p_co, val, &new_val );
291 *pf_new = new_val.f_float;
294 #define stats_UpdateFloat(a,b,c,d) stats_UpdateFloat( VLC_OBJECT(a),b,c,d )
296 void stats_ComputeInputStats(input_thread_t*, input_stats_t*);
297 void stats_ReinitInputStats(input_stats_t *);
298 void stats_DumpInputStats(input_stats_t *);