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libavutil/log.h

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00001 /*
00002  * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #ifndef AVUTIL_LOG_H
00022 #define AVUTIL_LOG_H
00023 
00024 #include <stdarg.h>
00025 #include "avutil.h"
00026 
00032 typedef struct {
00037     const char* class_name;
00038 
00043     const char* (*item_name)(void* ctx);
00044 
00050     const struct AVOption *option;
00051 
00058     int version;
00059 } AVClass;
00060 
00061 /* av_log API */
00062 
00063 #define AV_LOG_QUIET    -8
00064 
00068 #define AV_LOG_PANIC     0
00069 
00075 #define AV_LOG_FATAL     8
00076 
00081 #define AV_LOG_ERROR    16
00082 
00087 #define AV_LOG_WARNING  24
00088 
00089 #define AV_LOG_INFO     32
00090 #define AV_LOG_VERBOSE  40
00091 
00095 #define AV_LOG_DEBUG    48
00096 
00111 #ifdef __GNUC__
00112 void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
00113 #else
00114 void av_log(void*, int level, const char *fmt, ...);
00115 #endif
00116 
00117 void av_vlog(void*, int level, const char *fmt, va_list);
00118 int av_log_get_level(void);
00119 void av_log_set_level(int);
00120 void av_log_set_callback(void (*)(void*, int, const char*, va_list));
00121 void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);
00122 
00123 #endif /* AVUTIL_LOG_H */

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