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 extern const char vlc_usage[];
33 extern const struct hotkey libvlc_hotkeys[];
34 extern const size_t libvlc_hotkeys_size;
35 extern int vlc_key_to_action (vlc_object_t *, const char *,
36 vlc_value_t, vlc_value_t, void *);
39 * OS-specific initialization
41 void system_Init ( libvlc_int_t *, int *, const char *[] );
42 void system_Configure ( libvlc_int_t *, int *, const char *[] );
43 void system_End ( libvlc_int_t * );
48 extern vlc_mutex_t global_lock; /* TODO: remove this crap */
50 /* Hopefully, no need to export this. There is a new thread API instead. */
51 void vlc_thread_cancel (vlc_object_t *);
52 int vlc_object_waitpipe (vlc_object_t *obj);
54 void vlc_trace (const char *fn, const char *file, unsigned line);
55 #define vlc_backtrace() vlc_trace(__func__, __FILE__, __LINE__)
57 #if defined (LIBVLC_USE_PTHREAD) && !defined (NDEBUG)
58 # define vlc_assert_locked( m ) \
59 assert (pthread_mutex_lock (m) == EDEADLK)
61 # define vlc_assert_locked( m ) (void)m
67 extern uint32_t cpu_flags;
68 uint32_t CPUCapabilities( void );
71 * Message/logging stuff
74 typedef struct msg_queue_t
76 /** Message queue lock */
81 msg_item_t msg[VLC_MSG_QSIZE]; /**< message queue */
87 msg_subscription_t **pp_sub;
89 /* Logfile for WinCE */
96 * Store all data required by messages interfaces.
98 typedef struct msg_bank_t
104 void msg_Create (libvlc_int_t *);
105 void msg_Flush (libvlc_int_t *);
106 void msg_Destroy (libvlc_int_t *);
108 /** Internal message stack context */
109 void msg_StackSet ( int, const char*, ... );
110 void msg_StackAdd ( const char*, ... );
111 const char* msg_StackMsg ( void );
112 void msg_StackDestroy (void *);
117 char *vlc_fix_readdir (const char *);
120 * LibVLC objects stuff
124 * Creates a VLC object.
126 * Note that because the object name pointer must remain valid, potentially
127 * even after the destruction of the object (through the message queues), this
128 * function CANNOT be exported to plugins as is. In this case, the old
129 * vlc_object_create() must be used instead.
131 * @param p_this an existing VLC object
132 * @param i_size byte size of the object structure
133 * @param i_type object type, usually VLC_OBJECT_CUSTOM
134 * @param psz_type object type name
135 * @return the created object, or NULL.
138 __vlc_custom_create (vlc_object_t *p_this, size_t i_size, int i_type,
139 const char *psz_type);
140 #define vlc_custom_create(o, s, t, n) \
141 __vlc_custom_create(VLC_OBJECT(o), s, t, n)
147 extern module_bank_t *p_module_bank;
149 extern char *psz_vlcpath;
151 #ifdef LIBVLC_USE_PTHREAD
152 # include <semaphore.h> /* TODO: get rid of vlc_thread_ready and this */
156 * Private LibVLC data for each object.
158 typedef struct vlc_object_internals_t
160 /* Object variables */
162 vlc_mutex_t var_lock;
165 /* Thread properties, if any */
166 vlc_thread_t thread_id;
168 #ifdef LIBVLC_USE_PTHREAD
170 #elif defined (WIN32)
174 /* Objects thread synchronization */
180 /* Objects management */
181 vlc_spinlock_t ref_spin;
183 vlc_destructor_t pf_destructor;
185 /* Objects tree structure */
186 vlc_object_t *prev, *next;
187 vlc_object_t **pp_children;
189 } vlc_object_internals_t;
191 #define ZOOM_SECTION N_("Zoom")
192 #define ZOOM_QUARTER_KEY_TEXT N_("1:4 Quarter")
193 #define ZOOM_HALF_KEY_TEXT N_("1:2 Half")
194 #define ZOOM_ORIGINAL_KEY_TEXT N_("1:1 Original")
195 #define ZOOM_DOUBLE_KEY_TEXT N_("2:1 Double")
197 #define vlc_internals( obj ) (((vlc_object_internals_t*)(VLC_OBJECT(obj)))-1)
199 typedef struct sap_handler_t sap_handler_t;
202 * Private LibVLC instance data.
204 typedef struct libvlc_priv_t
206 libvlc_int_t public_data;
209 vlc_mutex_t config_lock; ///< config file lock
210 char * psz_configfile; ///< location of config file
212 int i_last_input_id ; ///< Last id of input item
215 msg_bank_t msg_bank; ///< The message bank
216 int i_verbose; ///< info messages
217 bool b_color; ///< color messages?
218 vlc_dictionary_t msg_enabled_objects; ///< Enabled objects
219 bool msg_all_objects_enabled; ///< Should we print all objects?
222 vlc_mutex_t timer_lock; ///< Lock to protect timers
223 counter_t **pp_timers; ///< Array of all timers
224 int i_timers; ///< Number of timers
225 bool b_stats; ///< Whether to collect stats
227 void *p_stats_computer; ///< Input thread computing stats
230 /* Singleton objects */
231 module_t *p_memcpy_module; ///< Fast memcpy plugin used
232 playlist_t *p_playlist; //< the playlist singleton
233 vlm_t *p_vlm; ///< the VLM singleton (or NULL)
234 interaction_t *p_interaction; ///< interface interaction object
235 httpd_t *p_httpd; ///< HTTP daemon (src/network/httpd.c)
237 sap_handler_t *p_sap; ///< SAP SDP advertiser
239 vlc_mutex_t structure_lock;
242 static inline libvlc_priv_t *libvlc_priv (libvlc_int_t *libvlc)
244 return (libvlc_priv_t *)libvlc;
247 void playlist_ServicesDiscoveryKillAll( playlist_t *p_playlist );
249 #define libvlc_stats( o ) (libvlc_priv((VLC_OBJECT(o))->p_libvlc)->b_stats)
252 * LibVLC "main module" configuration settings array.
254 extern module_config_t libvlc_config[];
255 extern const size_t libvlc_config_count;
260 void var_OptionParse (vlc_object_t *, const char *, bool trusted);
263 * Replacement functions
265 # ifndef HAVE_DIRENT_H
267 # ifndef FILENAME_MAX
268 # define FILENAME_MAX (260)
272 long d_ino; /* Always zero. */
273 unsigned short d_reclen; /* Always zero. */
274 unsigned short d_namlen; /* Length of name in d_name. */
275 char d_name[FILENAME_MAX]; /* File name. */
277 # define opendir vlc_opendir
278 # define readdir vlc_readdir
279 # define closedir vlc_closedir
280 # define rewinddir vlc_rewindir
281 void *vlc_opendir (const char *);
282 void *vlc_readdir (void *);
283 int vlc_closedir(void *);
284 void vlc_rewinddir(void *);
289 void *vlc_wopendir (const wchar_t *);
290 /* void *vlc_wclosedir (void *); in vlc's exported symbols */
291 struct _wdirent *vlc_wreaddir (void *);
292 void vlc_rewinddir (void *);
293 # define _wopendir vlc_wopendir
294 # define _wreaddir vlc_wreaddir
295 # define _wclosedir vlc_wclosedir
296 # define rewinddir vlc_rewinddir