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_
37 * \defgroup messages Messages
38 * This library provides basic functions for threads to interact with user
39 * interface, such as message output.
44 /** Internal message stack context */
51 void msg_StackSet ( int, const char*, ... );
52 void msg_StackAdd ( const char*, ... );
53 const char* msg_StackMsg ( void );
56 * Store a single message sent to user.
60 int i_type; /**< message type, see below */
62 const char *psz_object_type;
64 char * psz_msg; /**< the message itself */
65 char * psz_header; /**< Additional header */
67 mtime_t date; /**< Message date */
71 /** standard messages */
72 #define VLC_MSG_INFO 0
75 /** warning messages */
76 #define VLC_MSG_WARN 2
80 #define MSG_QUEUE_NORMAL 0
81 #define MSG_QUEUE_HTTPD_ACCESS 1
88 /** Message queue lock */
93 msg_item_t msg[VLC_MSG_QSIZE]; /**< message queue */
99 msg_subscription_t **pp_sub;
101 /* Logfile for WinCE */
108 * Store all data requiered by messages interfaces.
113 msg_queue_t queues[NB_QUEUES];
117 * Used by interface plugins which subscribe to the message bank.
119 struct msg_subscription_t
128 /*****************************************************************************
130 *****************************************************************************/
131 VLC_EXPORT( void, __msg_Generic, ( vlc_object_t *, int, int, const char *, const char *, ... ) ATTRIBUTE_FORMAT( 5, 6 ) );
132 VLC_EXPORT( void, __msg_GenericVa, ( vlc_object_t *, int, int, const char *, const char *, va_list args ) );
133 #define msg_GenericVa(a, b, c, d, e,f) __msg_GenericVa(VLC_OBJECT(a), b, c, d, e,f)
134 VLC_EXPORT( void, __msg_Info, ( vlc_object_t *, const char *, ... ) ATTRIBUTE_FORMAT( 2, 3 ) );
135 VLC_EXPORT( void, __msg_Err, ( vlc_object_t *, const char *, ... ) ATTRIBUTE_FORMAT( 2, 3 ) );
136 VLC_EXPORT( void, __msg_Warn, ( vlc_object_t *, const char *, ... ) ATTRIBUTE_FORMAT( 2, 3 ) );
137 VLC_EXPORT( void, __msg_Dbg, ( vlc_object_t *, const char *, ... ) ATTRIBUTE_FORMAT( 2, 3 ) );
139 #define msg_Info( p_this, ... ) \
140 __msg_Generic( VLC_OBJECT(p_this), MSG_QUEUE_NORMAL, VLC_MSG_INFO, \
141 MODULE_STRING, __VA_ARGS__ )
142 #define msg_Err( p_this, ... ) \
143 __msg_Generic( VLC_OBJECT(p_this), MSG_QUEUE_NORMAL, VLC_MSG_ERR, \
144 MODULE_STRING, __VA_ARGS__ )
145 #define msg_Warn( p_this, ... ) \
146 __msg_Generic( VLC_OBJECT(p_this), MSG_QUEUE_NORMAL, VLC_MSG_WARN, \
147 MODULE_STRING, __VA_ARGS__ )
148 #define msg_Dbg( p_this, ... ) \
149 __msg_Generic( VLC_OBJECT(p_this), MSG_QUEUE_NORMAL, VLC_MSG_DBG, \
150 MODULE_STRING, __VA_ARGS__ )
152 #define msg_Create(a) __msg_Create(VLC_OBJECT(a))
153 #define msg_Flush(a) __msg_Flush(VLC_OBJECT(a))
154 #define msg_Destroy(a) __msg_Destroy(VLC_OBJECT(a))
155 void __msg_Create ( vlc_object_t * );
156 void __msg_Flush ( vlc_object_t * );
157 void __msg_Destroy ( vlc_object_t * );
159 #define msg_Subscribe(a,b) __msg_Subscribe(VLC_OBJECT(a),b)
160 #define msg_Unsubscribe(a,b) __msg_Unsubscribe(VLC_OBJECT(a),b)
161 VLC_EXPORT( msg_subscription_t*, __msg_Subscribe, ( vlc_object_t *, int ) );
162 VLC_EXPORT( void, __msg_Unsubscribe, ( vlc_object_t *, msg_subscription_t * ) );
169 * \defgroup statistics Statistics
174 /****************************
175 * Generic stats stuff
176 ****************************/
187 struct counter_sample_t
201 counter_sample_t ** pp_samples;
203 mtime_t update_interval;
214 STATS_PLAYED_ABUFFERS,
219 STATS_CLIENT_CONNECTIONS,
220 STATS_ACTIVE_CONNECTIONS,
221 STATS_SOUT_SENT_PACKETS,
222 STATS_SOUT_SENT_BYTES,
223 STATS_SOUT_SEND_BITRATE,
224 STATS_DISPLAYED_PICTURES,
227 STATS_TIMER_PLAYLIST_BUILD,
230 STATS_TIMER_INTERACTION,
231 STATS_TIMER_PREPARSE,
233 STATS_TIMER_SKINS_PLAYTREE_IMAGE,
236 #define stats_Update(a,b,c) __stats_Update( VLC_OBJECT(a), b, c )
237 VLC_EXPORT( int, __stats_Update, (vlc_object_t*, counter_t *, vlc_value_t, vlc_value_t *) );
238 #define stats_CounterCreate(a,b,c) __stats_CounterCreate( VLC_OBJECT(a), b, c )
239 VLC_EXPORT( counter_t *, __stats_CounterCreate, (vlc_object_t*, int, int) );
240 #define stats_Get(a,b,c) __stats_Get( VLC_OBJECT(a), b, c)
241 VLC_EXPORT( int, __stats_Get, (vlc_object_t*, counter_t *, vlc_value_t*) );
243 VLC_EXPORT (void, stats_CounterClean, (counter_t * ) );
245 #define stats_GetInteger(a,b,c) __stats_GetInteger( VLC_OBJECT(a), b, c )
246 static inline int __stats_GetInteger( vlc_object_t *p_obj, counter_t *p_counter,
250 vlc_value_t val; val.i_int = 0;
251 if( !p_counter ) return VLC_EGENERIC;
252 i_ret = __stats_Get( p_obj, p_counter, &val );
257 #define stats_GetFloat(a,b,c) __stats_GetFloat( VLC_OBJECT(a), b, c )
258 static inline int __stats_GetFloat( vlc_object_t *p_obj, counter_t *p_counter,
262 vlc_value_t val; val.f_float = 0.0;
263 if( !p_counter ) return VLC_EGENERIC;
264 i_ret = __stats_Get( p_obj, p_counter, &val );
265 *value = val.f_float;
268 #define stats_UpdateInteger(a,b,c,d) __stats_UpdateInteger( VLC_OBJECT(a),b,c,d )
269 static inline int __stats_UpdateInteger( vlc_object_t *p_obj,counter_t *p_co,
274 vlc_value_t new_val; new_val.i_int = 0;
275 if( !p_co ) return VLC_EGENERIC;
277 i_ret = __stats_Update( p_obj, p_co, val, &new_val );
279 *pi_new = new_val.i_int;
282 #define stats_UpdateFloat(a,b,c,d) __stats_UpdateFloat( VLC_OBJECT(a),b,c,d )
283 static inline int __stats_UpdateFloat( vlc_object_t *p_obj, counter_t *p_co,
284 float f, float *pf_new )
288 vlc_value_t new_val;new_val.f_float = 0.0;
289 if( !p_co ) return VLC_EGENERIC;
291 i_ret = __stats_Update( p_obj, p_co, val, &new_val );
293 *pf_new = new_val.f_float;
307 float f_input_bitrate;
308 float f_average_input_bitrate;
311 int i_demux_read_packets;
312 int i_demux_read_bytes;
313 float f_demux_bitrate;
314 float f_average_demux_bitrate;
321 int i_displayed_pictures;
327 float f_send_bitrate;
330 int i_played_abuffers;
334 VLC_EXPORT( void, stats_ComputeInputStats, (input_thread_t*, input_stats_t*) );
335 VLC_EXPORT( void, stats_ReinitInputStats, (input_stats_t *) );
336 VLC_EXPORT( void, stats_DumpInputStats, (input_stats_t *) );
338 /********************
341 struct global_stats_t
345 float f_input_bitrate;
346 float f_demux_bitrate;
347 float f_output_bitrate;
352 #define stats_ComputeGlobalStats(a,b) __stats_ComputeGlobalStats( VLC_OBJECT(a),b)
353 VLC_EXPORT( void, __stats_ComputeGlobalStats, (vlc_object_t*,global_stats_t*));
360 #define stats_TimerStart(a,b,c) __stats_TimerStart( VLC_OBJECT(a), b,c )
361 #define stats_TimerStop(a,b) __stats_TimerStop( VLC_OBJECT(a), b )
362 #define stats_TimerDump(a,b) __stats_TimerDump( VLC_OBJECT(a), b )
363 #define stats_TimersDumpAll(a) __stats_TimersDumpAll( VLC_OBJECT(a) )
365 #define stats_TimerStart(a,b,c) {}
366 #define stats_TimerStop(a,b) {}
367 #define stats_TimerDump(a,b) {}
368 #define stats_TimersDumpAll(a) {}
370 VLC_EXPORT( void,__stats_TimerStart, (vlc_object_t*, const char *, unsigned int ) );
371 VLC_EXPORT( void,__stats_TimerStop, (vlc_object_t*, unsigned int) );
372 VLC_EXPORT( void,__stats_TimerDump, (vlc_object_t*, unsigned int) );
373 VLC_EXPORT( void,__stats_TimersDumpAll, (vlc_object_t*) );
374 #define stats_TimersCleanAll(a) __stats_TimersCleanAll( VLC_OBJECT(a) )
375 VLC_EXPORT( void, __stats_TimersCleanAll, (vlc_object_t * ) );
377 #define stats_TimerClean(a,b) __stats_TimerClean( VLC_OBJECT(a), b )
378 VLC_EXPORT( void, __stats_TimerClean, (vlc_object_t *, int ) );