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- /*****************************************************************************
- * messages.h: messages interface
- * This library provides basic functions for threads to interact with user
- * interface, such as message output.
- *****************************************************************************
- * Copyright (C) 1999, 2000, 2001, 2002 the VideoLAN team
- * $Id: c0b8ee5e178ee6bd185bb20f83e0c3da4ea03316 $
- *
- * Authors: Vincent Seguin <seguin@via.ecp.fr>
- * Samuel Hocevar <sam@zoy.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
- #ifndef VLC_MESSAGES_H_
- #define VLC_MESSAGES_H_
-
- /**
- * \file
- * This file defines structures and functions to handle messages and statistics gathering
- */
-
- #include <stdarg.h>
-
- /**
- * \defgroup messages Messages
- * This library provides basic functions for threads to interact with user
- * interface, such as message output.
- *
- * @{
- */
-
- /**
- * Store a single message sent to user.
- */
- typedef struct
- {
- int i_type; /**< message type, see below */
- int i_object_id;
- const char *psz_object_type;
- char * psz_module;
- char * psz_msg; /**< the message itself */
- char * psz_header; /**< Additional header */
-
- mtime_t date; /**< Message date */
- } msg_item_t;
-
- /* Message types */
- /** standard messages */
- #define VLC_MSG_INFO 0
- /** error messages */
- #define VLC_MSG_ERR 1
- /** warning messages */
- #define VLC_MSG_WARN 2
- /** debug messages */
- #define VLC_MSG_DBG 3
-
- /**
- * Used by interface plugins which subscribe to the message bank.
- */
- struct msg_subscription_t
- {
- int i_start;
- int* pi_stop;
-
- msg_item_t* p_msg;
- vlc_mutex_t* p_lock;
- };
-
- /*****************************************************************************
- * Prototypes
- *****************************************************************************/
- VLC_EXPORT( void, __msg_Generic, ( vlc_object_t *, int, const char *, const char *, ... ) LIBVLC_FORMAT( 4, 5 ) );
- VLC_EXPORT( void, __msg_GenericVa, ( vlc_object_t *, int, const char *, const char *, va_list args ) );
- #define msg_GenericVa(a, b, c, d, e) __msg_GenericVa(VLC_OBJECT(a), b, c, d, e)
- VLC_EXPORT( void, __msg_Info, ( vlc_object_t *, const char *, ... ) LIBVLC_FORMAT( 2, 3 ) );
- VLC_EXPORT( void, __msg_Err, ( vlc_object_t *, const char *, ... ) LIBVLC_FORMAT( 2, 3 ) );
- VLC_EXPORT( void, __msg_Warn, ( vlc_object_t *, const char *, ... ) LIBVLC_FORMAT( 2, 3 ) );
- VLC_EXPORT( void, __msg_Dbg, ( vlc_object_t *, const char *, ... ) LIBVLC_FORMAT( 2, 3 ) );
-
- #define msg_Info( p_this, ... ) \
- __msg_Generic( VLC_OBJECT(p_this), VLC_MSG_INFO, \
- MODULE_STRING, __VA_ARGS__ )
- #define msg_Err( p_this, ... ) \
- __msg_Generic( VLC_OBJECT(p_this), VLC_MSG_ERR, \
- MODULE_STRING, __VA_ARGS__ )
- #define msg_Warn( p_this, ... ) \
- __msg_Generic( VLC_OBJECT(p_this), VLC_MSG_WARN, \
- MODULE_STRING, __VA_ARGS__ )
- #define msg_Dbg( p_this, ... ) \
- __msg_Generic( VLC_OBJECT(p_this), VLC_MSG_DBG, \
- MODULE_STRING, __VA_ARGS__ )
-
- #define msg_Subscribe(a) __msg_Subscribe(VLC_OBJECT(a))
- #define msg_Unsubscribe(a,b) __msg_Unsubscribe(VLC_OBJECT(a),b)
- VLC_EXPORT( msg_subscription_t*, __msg_Subscribe, ( vlc_object_t * ) );
- VLC_EXPORT( void, __msg_Unsubscribe, ( vlc_object_t *, msg_subscription_t * ) );
-
- /**
- * @}
- */
-
- /**
- * \defgroup statistics Statistics
- *
- * @{
- */
-
- /****************************
- * Generic stats stuff
- ****************************/
- enum
- {
- STATS_LAST,
- STATS_COUNTER,
- STATS_MAX,
- STATS_MIN,
- STATS_DERIVATIVE,
- STATS_TIMER
- };
-
- struct counter_sample_t
- {
- vlc_value_t value;
- mtime_t date;
- };
-
- struct counter_t
- {
- unsigned int i_id;
- char * psz_name;
- int i_type;
- void * p_obj;
- int i_compute_type;
- int i_samples;
- counter_sample_t ** pp_samples;
-
- mtime_t update_interval;
- mtime_t last_update;
- };
-
- enum
- {
- STATS_INPUT_BITRATE,
- STATS_READ_BYTES,
- STATS_READ_PACKETS,
- STATS_DEMUX_READ,
- STATS_DEMUX_BITRATE,
- STATS_PLAYED_ABUFFERS,
- STATS_LOST_ABUFFERS,
- STATS_DECODED_AUDIO,
- STATS_DECODED_VIDEO,
- STATS_DECODED_SUB,
- STATS_CLIENT_CONNECTIONS,
- STATS_ACTIVE_CONNECTIONS,
- STATS_SOUT_SENT_PACKETS,
- STATS_SOUT_SENT_BYTES,
- STATS_SOUT_SEND_BITRATE,
- STATS_DISPLAYED_PICTURES,
- STATS_LOST_PICTURES,
-
- STATS_TIMER_PLAYLIST_BUILD,
- STATS_TIMER_ML_LOAD,
- STATS_TIMER_ML_DUMP,
- STATS_TIMER_INTERACTION,
- STATS_TIMER_PREPARSE,
- STATS_TIMER_INPUT_LAUNCHING,
- STATS_TIMER_MODULE_NEED,
- STATS_TIMER_VIDEO_FRAME_ENCODING,
- STATS_TIMER_AUDIO_FRAME_ENCODING,
-
- STATS_TIMER_SKINS_PLAYTREE_IMAGE,
- };
-
- #define stats_Update(a,b,c) __stats_Update( VLC_OBJECT(a), b, c )
- VLC_EXPORT( int, __stats_Update, (vlc_object_t*, counter_t *, vlc_value_t, vlc_value_t *) );
- #define stats_CounterCreate(a,b,c) __stats_CounterCreate( VLC_OBJECT(a), b, c )
- VLC_EXPORT( counter_t *, __stats_CounterCreate, (vlc_object_t*, int, int) );
- #define stats_Get(a,b,c) __stats_Get( VLC_OBJECT(a), b, c)
- VLC_EXPORT( int, __stats_Get, (vlc_object_t*, counter_t *, vlc_value_t*) );
-
- VLC_EXPORT (void, stats_CounterClean, (counter_t * ) );
-
- #define stats_GetInteger(a,b,c) __stats_GetInteger( VLC_OBJECT(a), b, c )
- static inline int __stats_GetInteger( vlc_object_t *p_obj, counter_t *p_counter,
- int *value )
- {
- int i_ret;
- vlc_value_t val; val.i_int = 0;
- if( !p_counter ) return VLC_EGENERIC;
- i_ret = __stats_Get( p_obj, p_counter, &val );
- *value = val.i_int;
- return i_ret;
- }
-
- #define stats_GetFloat(a,b,c) __stats_GetFloat( VLC_OBJECT(a), b, c )
- static inline int __stats_GetFloat( vlc_object_t *p_obj, counter_t *p_counter,
- float *value )
- {
- int i_ret;
- vlc_value_t val; val.f_float = 0.0;
- if( !p_counter ) return VLC_EGENERIC;
- i_ret = __stats_Get( p_obj, p_counter, &val );
- *value = val.f_float;
- return i_ret;
- }
- #define stats_UpdateInteger(a,b,c,d) __stats_UpdateInteger( VLC_OBJECT(a),b,c,d )
- static inline int __stats_UpdateInteger( vlc_object_t *p_obj,counter_t *p_co,
- int i, int *pi_new )
- {
- int i_ret;
- vlc_value_t val;
- vlc_value_t new_val; new_val.i_int = 0;
- if( !p_co ) return VLC_EGENERIC;
- val.i_int = i;
- i_ret = __stats_Update( p_obj, p_co, val, &new_val );
- if( pi_new )
- *pi_new = new_val.i_int;
- return i_ret;
- }
- #define stats_UpdateFloat(a,b,c,d) __stats_UpdateFloat( VLC_OBJECT(a),b,c,d )
- static inline int __stats_UpdateFloat( vlc_object_t *p_obj, counter_t *p_co,
- float f, float *pf_new )
- {
- vlc_value_t val;
- int i_ret;
- vlc_value_t new_val;new_val.f_float = 0.0;
- if( !p_co ) return VLC_EGENERIC;
- val.f_float = f;
- i_ret = __stats_Update( p_obj, p_co, val, &new_val );
- if( pf_new )
- *pf_new = new_val.f_float;
- return i_ret;
- }
-
- /******************
- * Input stats
- ******************/
- struct input_stats_t
- {
- vlc_mutex_t lock;
-
- /* Input */
- int i_read_packets;
- int i_read_bytes;
- float f_input_bitrate;
- float f_average_input_bitrate;
-
- /* Demux */
- int i_demux_read_packets;
- int i_demux_read_bytes;
- float f_demux_bitrate;
- float f_average_demux_bitrate;
-
- /* Decoders */
- int i_decoded_audio;
- int i_decoded_video;
-
- /* Vout */
- int i_displayed_pictures;
- int i_lost_pictures;
-
- /* Sout */
- int i_sent_packets;
- int i_sent_bytes;
- float f_send_bitrate;
-
- /* Aout */
- int i_played_abuffers;
- int i_lost_abuffers;
- };
-
- VLC_EXPORT( void, stats_ComputeInputStats, (input_thread_t*, input_stats_t*) );
- VLC_EXPORT( void, stats_ReinitInputStats, (input_stats_t *) );
- VLC_EXPORT( void, stats_DumpInputStats, (input_stats_t *) );
-
- /********************
- * Global stats
- *******************/
- struct global_stats_t
- {
- vlc_mutex_t lock;
-
- float f_input_bitrate;
- float f_demux_bitrate;
- float f_output_bitrate;
-
- int i_http_clients;
- };
-
- #define stats_ComputeGlobalStats(a,b) __stats_ComputeGlobalStats( VLC_OBJECT(a),b)
- VLC_EXPORT( void, __stats_ComputeGlobalStats, (vlc_object_t*,global_stats_t*));
-
-
- /*********
- * Timing
- ********/
- #define stats_TimerStart(a,b,c) __stats_TimerStart( VLC_OBJECT(a), b,c )
- #define stats_TimerStop(a,b) __stats_TimerStop( VLC_OBJECT(a), b )
- #define stats_TimerDump(a,b) __stats_TimerDump( VLC_OBJECT(a), b )
- #define stats_TimersDumpAll(a) __stats_TimersDumpAll( VLC_OBJECT(a) )
- VLC_EXPORT( void,__stats_TimerStart, (vlc_object_t*, const char *, unsigned int ) );
- VLC_EXPORT( void,__stats_TimerStop, (vlc_object_t*, unsigned int) );
- VLC_EXPORT( void,__stats_TimerDump, (vlc_object_t*, unsigned int) );
- VLC_EXPORT( void,__stats_TimersDumpAll, (vlc_object_t*) );
- #define stats_TimersCleanAll(a) __stats_TimersCleanAll( VLC_OBJECT(a) )
- VLC_EXPORT( void, __stats_TimersCleanAll, (vlc_object_t * ) );
-
- #define stats_TimerClean(a,b) __stats_TimerClean( VLC_OBJECT(a), b )
- VLC_EXPORT( void, __stats_TimerClean, (vlc_object_t *, unsigned int ) );
-
- #endif
-