qt_demoe/vlcdemo/vlc/vlc2/include/plugins/vlc_messages.h

91 lines
3.1 KiB
C

/*****************************************************************************
* vlc_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 VLC authors and VideoLAN
* $Id: f746f61c09afd91f89dee61340a1d090bd96416c $
*
* 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 Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*
* @{
*/
/** Message types */
enum vlc_log_type
{
VLC_MSG_INFO=0, /**< Important information */
VLC_MSG_ERR, /**< Error */
VLC_MSG_WARN, /**< Warning */
VLC_MSG_DBG, /**< Debug */
};
/**
* Log message
*/
typedef struct vlc_log_t
{
uintptr_t i_object_id; /**< Emitter (temporaly) unique object ID or 0 */
const char *psz_object_type; /**< Emitter object type name */
const char *psz_module; /**< Emitter module (source code) */
const char *psz_header; /**< Additional header (used by VLM media) */
} vlc_log_t;
VLC_API void vlc_Log(vlc_object_t *, int,
const char *, const char *, ...) VLC_FORMAT( 4, 5 );
VLC_API void vlc_vaLog(vlc_object_t *, int,
const char *, const char *, va_list);
#define msg_GenericVa(a, b, c, d, e) vlc_vaLog(VLC_OBJECT(a), b, c, d, e)
#define msg_Info( p_this, ... ) \
vlc_Log( VLC_OBJECT(p_this), VLC_MSG_INFO, MODULE_STRING, __VA_ARGS__ )
#define msg_Err( p_this, ... ) \
vlc_Log( VLC_OBJECT(p_this), VLC_MSG_ERR, MODULE_STRING, __VA_ARGS__ )
#define msg_Warn( p_this, ... ) \
vlc_Log( VLC_OBJECT(p_this), VLC_MSG_WARN, MODULE_STRING, __VA_ARGS__ )
#define msg_Dbg( p_this, ... ) \
vlc_Log( VLC_OBJECT(p_this), VLC_MSG_DBG, MODULE_STRING, __VA_ARGS__ )
#ifndef MODULE_STRING
# define MODULE_STRING __FILE__
#endif
VLC_API const char *vlc_strerror(int);
VLC_API const char *vlc_strerror_c(int);
/**
* @}
*/
#endif