1 /*****************************************************************************
2 * messages.h: messages interface
3 * This library provides basic functions for threads to interact with user
4 * interface, such as message output.
5 *****************************************************************************
6 * Copyright (C) 1999, 2000, 2001, 2002 the VideoLAN team
9 * Authors: Vincent Seguin <seguin@via.ecp.fr>
10 * Samuel Hocevar <sam@zoy.org>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
27 #if !defined( __LIBVLC__ )
28 #error You are not libvlc or one of its plugins. You cannot include this file
31 #ifndef _VLC_MESSAGES_H_
32 #define _VLC_MESSAGES_H_
36 int vlc_mutex_lock( vlc_mutex_t * ) ;
37 int vlc_mutex_unlock( vlc_mutex_t * ) ;
40 * \defgroup messages Messages
41 * This library provides basic functions for threads to interact with user
42 * interface, such as message output.
47 /** Internal message stack context */
54 VLC_EXPORT( void, msg_StackSet, ( int, const char*, ... ) );
55 VLC_EXPORT( void, msg_StackAdd, ( const char*, ... ) );
56 VLC_EXPORT( const char*, msg_StackMsg, ( void ) );
59 * Store a single message sent to user.
63 int i_type; /**< message type, see below */
67 char * psz_msg; /**< the message itself */
68 char * psz_header; /**< Additional header */
70 mtime_t date; /**< Message date */
74 /** standard messages */
75 #define VLC_MSG_INFO 0
78 /** warning messages */
79 #define VLC_MSG_WARN 2
83 #define MSG_QUEUE_NORMAL 0
84 #define MSG_QUEUE_HTTPD_ACCESS 1
91 /** Message queue lock */
93 vlc_bool_t b_overflow;
96 msg_item_t msg[VLC_MSG_QSIZE]; /**< message queue */
102 msg_subscription_t **pp_sub;
104 /* Logfile for WinCE */
111 * Store all data requiered by messages interfaces.
116 msg_queue_t queues[NB_QUEUES];
120 * Used by interface plugins which subscribe to the message bank.
122 struct msg_subscription_t
131 /*****************************************************************************
133 *****************************************************************************/
134 VLC_EXPORT( void, __msg_Generic, ( vlc_object_t *, int, int, const char *, const char *, ... ) ATTRIBUTE_FORMAT( 5, 6 ) );
135 VLC_EXPORT( void, __msg_GenericVa, ( vlc_object_t *, int, int, const char *, const char *, va_list args ) );
136 #define msg_GenericVa(a, b, c, d, e,f) __msg_GenericVa(VLC_OBJECT(a), b, c, d, e,f)
137 VLC_EXPORT( void, __msg_Info, ( vlc_object_t *, const char *, ... ) ATTRIBUTE_FORMAT( 2, 3 ) );
138 VLC_EXPORT( void, __msg_Err, ( vlc_object_t *, const char *, ... ) ATTRIBUTE_FORMAT( 2, 3 ) );
139 VLC_EXPORT( void, __msg_Warn, ( vlc_object_t *, const char *, ... ) ATTRIBUTE_FORMAT( 2, 3 ) );
140 VLC_EXPORT( void, __msg_Dbg, ( vlc_object_t *, const char *, ... ) ATTRIBUTE_FORMAT( 2, 3 ) );
142 #ifdef HAVE_VARIADIC_MACROS
144 # define msg_Info( p_this, psz_format, args... ) \
145 __msg_Generic( VLC_OBJECT(p_this), MSG_QUEUE_NORMAL,VLC_MSG_INFO, MODULE_STRING, \
146 psz_format, ## args )
148 # define msg_Err( p_this, psz_format, args... ) \
149 __msg_Generic( VLC_OBJECT(p_this), MSG_QUEUE_NORMAL, VLC_MSG_ERR, MODULE_STRING, \
150 psz_format, ## args )
152 # define msg_Warn( p_this, psz_format, args... ) \
153 __msg_Generic( VLC_OBJECT(p_this), MSG_QUEUE_NORMAL, VLC_MSG_WARN, MODULE_STRING, \
154 psz_format, ## args )
156 # define msg_Dbg( p_this, psz_format, args... ) \
157 __msg_Generic( VLC_OBJECT(p_this), MSG_QUEUE_NORMAL, VLC_MSG_DBG, MODULE_STRING, \
158 psz_format, ## args )
160 #elif defined(_MSC_VER) /* To avoid warnings and even errors with c++ files */
162 inline void msg_Info( void *p_this, const char *psz_format, ... )
165 va_start( ap, psz_format );
166 __msg_GenericVa( ( vlc_object_t *)p_this, MSG_QUEUE_NORMAL,VLC_MSG_INFO, MODULE_STRING,
170 inline void msg_Err( void *p_this, const char *psz_format, ... )
173 va_start( ap, psz_format );
174 __msg_GenericVa( ( vlc_object_t *)p_this,MSG_QUEUE_NORMAL, VLC_MSG_ERR, MODULE_STRING,
178 inline void msg_Warn( void *p_this, const char *psz_format, ... )
181 va_start( ap, psz_format );
182 __msg_GenericVa( ( vlc_object_t *)p_this, MSG_QUEUE_NORMAL, VLC_MSG_WARN, MODULE_STRING,
186 inline void msg_Dbg( void *p_this, const char *psz_format, ... )
189 va_start( ap, psz_format );
190 __msg_GenericVa( ( vlc_object_t *)p_this, MSG_QUEUE_NORMAL, VLC_MSG_DBG, MODULE_STRING,
197 # define msg_Info __msg_Info
198 # define msg_Err __msg_Err
199 # define msg_Warn __msg_Warn
200 # define msg_Dbg __msg_Dbg
202 #endif /* HAVE_VARIADIC_MACROS */
204 #define msg_Create(a) __msg_Create(VLC_OBJECT(a))
205 #define msg_Flush(a) __msg_Flush(VLC_OBJECT(a))
206 #define msg_Destroy(a) __msg_Destroy(VLC_OBJECT(a))
207 void __msg_Create ( vlc_object_t * );
208 void __msg_Flush ( vlc_object_t * );
209 void __msg_Destroy ( vlc_object_t * );
211 #define msg_Subscribe(a,b) __msg_Subscribe(VLC_OBJECT(a),b)
212 #define msg_Unsubscribe(a,b) __msg_Unsubscribe(VLC_OBJECT(a),b)
213 VLC_EXPORT( msg_subscription_t*, __msg_Subscribe, ( vlc_object_t *, int ) );
214 VLC_EXPORT( void, __msg_Unsubscribe, ( vlc_object_t *, msg_subscription_t * ) );
216 VLC_EXPORT(const char *, msg_GetObjectTypeName, (int i_object_type ));
223 * \defgroup statistics Statistics
228 /****************************
229 * Generic stats stuff
230 ****************************/
241 struct counter_sample_t
254 counter_sample_t ** pp_samples;
256 mtime_t update_interval;
267 STATS_PLAYED_ABUFFERS,
272 STATS_CLIENT_CONNECTIONS,
273 STATS_ACTIVE_CONNECTIONS,
274 STATS_SOUT_SENT_PACKETS,
275 STATS_SOUT_SENT_BYTES,
276 STATS_SOUT_SEND_BITRATE,
277 STATS_DISPLAYED_PICTURES,
280 STATS_TIMER_PLAYLIST_BUILD,
283 STATS_TIMER_INTERACTION,
284 STATS_TIMER_PREPARSE,
286 STATS_TIMER_SKINS_PLAYTREE_IMAGE,
289 #define stats_Update(a,b,c) __stats_Update( VLC_OBJECT(a), b, c )
290 VLC_EXPORT( int, __stats_Update, (vlc_object_t*, counter_t *, vlc_value_t, vlc_value_t *) );
291 #define stats_CounterCreate(a,b,c) __stats_CounterCreate( VLC_OBJECT(a), b, c )
292 VLC_EXPORT( counter_t *, __stats_CounterCreate, (vlc_object_t*, int, int) );
293 #define stats_Get(a,b,c) __stats_Get( VLC_OBJECT(a), b, c)
294 VLC_EXPORT( int, __stats_Get, (vlc_object_t*, counter_t *, vlc_value_t*) );
296 VLC_EXPORT (void, stats_CounterClean, (counter_t * ) );
298 #define stats_GetInteger(a,b,c) __stats_GetInteger( VLC_OBJECT(a), b, c )
299 static inline int __stats_GetInteger( vlc_object_t *p_obj, counter_t *p_counter,
303 vlc_value_t val; val.i_int = 0;
304 if( !p_counter ) return VLC_EGENERIC;
305 i_ret = __stats_Get( p_obj, p_counter, &val );
310 #define stats_GetFloat(a,b,c) __stats_GetFloat( VLC_OBJECT(a), b, c )
311 static inline int __stats_GetFloat( vlc_object_t *p_obj, counter_t *p_counter,
315 vlc_value_t val; val.f_float = 0.0;
316 if( !p_counter ) return VLC_EGENERIC;
317 i_ret = __stats_Get( p_obj, p_counter, &val );
318 *value = val.f_float;
321 #define stats_UpdateInteger(a,b,c,d) __stats_UpdateInteger( VLC_OBJECT(a),b,c,d )
322 static inline int __stats_UpdateInteger( vlc_object_t *p_obj,counter_t *p_co,
327 vlc_value_t new_val; new_val.i_int = 0;
328 if( !p_co ) return VLC_EGENERIC;
330 i_ret = __stats_Update( p_obj, p_co, val, &new_val );
332 *pi_new = new_val.i_int;
335 #define stats_UpdateFloat(a,b,c,d) __stats_UpdateFloat( VLC_OBJECT(a),b,c,d )
336 static inline int __stats_UpdateFloat( vlc_object_t *p_obj, counter_t *p_co,
337 float f, float *pf_new )
341 vlc_value_t new_val;new_val.f_float = 0.0;
342 if( !p_co ) return VLC_EGENERIC;
344 i_ret = __stats_Update( p_obj, p_co, val, &new_val );
346 *pf_new = new_val.f_float;
360 float f_input_bitrate;
361 float f_average_input_bitrate;
364 int i_demux_read_packets;
365 int i_demux_read_bytes;
366 float f_demux_bitrate;
367 float f_average_demux_bitrate;
374 int i_displayed_pictures;
380 float f_send_bitrate;
383 int i_played_abuffers;
387 VLC_EXPORT( void, stats_ComputeInputStats, (input_thread_t*, input_stats_t*) );
388 VLC_EXPORT( void, stats_ReinitInputStats, (input_stats_t *) );
389 VLC_EXPORT( void, stats_DumpInputStats, (input_stats_t *) );
391 /********************
394 struct global_stats_t
398 float f_input_bitrate;
399 float f_demux_bitrate;
400 float f_output_bitrate;
405 #define stats_ComputeGlobalStats(a,b) __stats_ComputeGlobalStats( VLC_OBJECT(a),b)
406 VLC_EXPORT( void, __stats_ComputeGlobalStats, (vlc_object_t*,global_stats_t*));
413 #define stats_TimerStart(a,b,c) __stats_TimerStart( VLC_OBJECT(a), b,c )
414 #define stats_TimerStop(a,b) __stats_TimerStop( VLC_OBJECT(a), b )
415 #define stats_TimerDump(a,b) __stats_TimerDump( VLC_OBJECT(a), b )
416 #define stats_TimersDumpAll(a) __stats_TimersDumpAll( VLC_OBJECT(a) )
418 #define stats_TimerStart(a,b,c) {}
419 #define stats_TimerStop(a,b) {}
420 #define stats_TimerDump(a,b) {}
421 #define stats_TimersDumpAll(a) {}
423 VLC_EXPORT( void,__stats_TimerStart, (vlc_object_t*, const char *, unsigned int ) );
424 VLC_EXPORT( void,__stats_TimerStop, (vlc_object_t*, unsigned int) );
425 VLC_EXPORT( void,__stats_TimerDump, (vlc_object_t*, unsigned int) );
426 VLC_EXPORT( void,__stats_TimersDumpAll, (vlc_object_t*) );
427 #define stats_TimersClean(a) __stats_TimersClean( VLC_OBJECT(a) )
428 VLC_EXPORT( void, __stats_TimersClean, (vlc_object_t * ) );