vlc_messages.h
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:7k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * 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: a9f03d712a593c285574651b5419275172e8547a $
- *
- * 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 */
- uintptr_t 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 */
- gc_object_t vlc_gc_data;
- } 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
- static inline msg_item_t *msg_Hold (msg_item_t *msg)
- {
- vlc_hold (&msg->vlc_gc_data);
- return msg;
- }
- static inline void msg_Release (msg_item_t *msg)
- {
- vlc_release (&msg->vlc_gc_data);
- }
- /**
- * Used by interface plugins which subscribe to the message bank.
- */
- typedef struct msg_subscription_t msg_subscription_t;
- /*****************************************************************************
- * 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)
- #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__ )
- typedef struct msg_cb_data_t msg_cb_data_t;
- /**
- * Message logging callback signature.
- * Accepts one private data pointer, the message, and an overrun counter.
- */
- typedef void (*msg_callback_t) (msg_cb_data_t *, msg_item_t *, unsigned);
- VLC_EXPORT( msg_subscription_t*, msg_Subscribe, ( libvlc_int_t *, msg_callback_t, msg_cb_data_t * ) );
- VLC_EXPORT( void, msg_Unsubscribe, ( msg_subscription_t * ) );
- /* Enable or disable a certain object debug messages */
- #define msg_EnableObjectPrinting(a,b) __msg_EnableObjectPrinting(VLC_OBJECT(a),b)
- #define msg_DisableObjectPrinting(a,b) __msg_DisableObjectPrinting(VLC_OBJECT(a),b)
- VLC_EXPORT( void, __msg_EnableObjectPrinting, ( vlc_object_t *, char * psz_object ) );
- VLC_EXPORT( void, __msg_DisableObjectPrinting, ( vlc_object_t *, char * psz_object ) );
- /**
- * @}
- */
- /**
- * 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_DEMUX_CORRUPTED,
- STATS_DEMUX_DISCONTINUITY,
- 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,
- };
- /*********
- * 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